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-rw-r--r--xorg-server/glx/glapi.c4
-rw-r--r--xorg-server/glx/glapi.h29
-rw-r--r--xorg-server/glx/glheader.h24
-rw-r--r--xorg-server/glx/glxcmds.c4848
-rw-r--r--xorg-server/glx/glxcmdsswap.c12
-rw-r--r--xorg-server/glx/glxdri.c2395
-rw-r--r--xorg-server/glx/glxdricommon.c8
-rw-r--r--xorg-server/glx/glxdriswrast.c1104
-rw-r--r--xorg-server/glx/glxext.c8
-rw-r--r--xorg-server/glx/glxscreens.c944
-rw-r--r--xorg-server/glx/glxserver.h509
-rw-r--r--xorg-server/glx/indirect_dispatch.c7
-rw-r--r--xorg-server/glx/indirect_dispatch_swap.c7
-rw-r--r--xorg-server/glx/indirect_program.c4
-rw-r--r--xorg-server/glx/indirect_reqsize.c7
-rw-r--r--xorg-server/glx/indirect_size_get.c9
-rw-r--r--xorg-server/glx/indirect_table.c4
-rw-r--r--xorg-server/glx/indirect_texture_compression.c4
-rw-r--r--xorg-server/glx/indirect_util.c4
-rw-r--r--xorg-server/glx/makefile42
-rw-r--r--xorg-server/glx/render2.c4
-rw-r--r--xorg-server/glx/render2swap.c4
-rw-r--r--xorg-server/glx/renderpix.c4
-rw-r--r--xorg-server/glx/renderpixswap.c4
-rw-r--r--xorg-server/glx/rensize.c10
-rw-r--r--xorg-server/glx/single2.c4
-rw-r--r--xorg-server/glx/single2swap.c4
-rw-r--r--xorg-server/glx/singlepix.c4
-rw-r--r--xorg-server/glx/singlepixswap.c4
-rw-r--r--xorg-server/glx/singlesize.c4
-rw-r--r--xorg-server/glx/swap_interval.c4
-rw-r--r--xorg-server/glx/xfont.c4
32 files changed, 5132 insertions, 4895 deletions
diff --git a/xorg-server/glx/glapi.c b/xorg-server/glx/glapi.c
index d6a568e88..9cd703030 100644
--- a/xorg-server/glx/glapi.c
+++ b/xorg-server/glx/glapi.c
@@ -54,7 +54,11 @@
#include <dix-config.h>
#include <X11/Xfuncproto.h>
+#ifdef _MSC_VER
+#define PUBLIC _declspec(dllexport)
+#else
#define PUBLIC _X_EXPORT
+#endif
#else
diff --git a/xorg-server/glx/glapi.h b/xorg-server/glx/glapi.h
index 8f2cf6621..68e5cd328 100644
--- a/xorg-server/glx/glapi.h
+++ b/xorg-server/glx/glapi.h
@@ -73,6 +73,11 @@ typedef void (*_glapi_warning_func)(void *ctx, const char *str, ...);
*/
#define MAX_EXTENSION_FUNCS 300
+#ifdef _MSC_VER
+#define EXTERN _declspec(dllexport)
+#else
+#define EXTERN extern
+#endif
/**
** Define the GET_CURRENT_CONTEXT() macro.
@@ -90,8 +95,8 @@ extern __thread void * _glapi_tls_Context
#else
-extern void *_glapi_Context;
-extern struct _glapi_table *_glapi_Dispatch;
+EXTERN void *_glapi_Context;
+EXTERN struct _glapi_table *_glapi_Dispatch;
# ifdef THREADS
# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) (_glapi_Context ? _glapi_Context : _glapi_get_context())
@@ -106,29 +111,29 @@ extern struct _glapi_table *_glapi_Dispatch;
** GL API public functions
**/
-extern void
+EXTERN void
_glapi_noop_enable_warnings(GLboolean enable);
-extern void
+EXTERN void
_glapi_set_warning_func(_glapi_warning_func func);
-extern void
+EXTERN void
_glapi_check_multithread(void);
-extern void
+EXTERN void
_glapi_set_context(void *context);
-extern void *
+EXTERN void *
_glapi_get_context(void);
-extern void
+EXTERN void
_glapi_set_dispatch(struct _glapi_table *dispatch);
-extern struct _glapi_table *
+EXTERN struct _glapi_table *
_glapi_get_dispatch(void);
@@ -144,7 +149,7 @@ struct _glapi_table *
_glapi_get_override_dispatch(int layer);
-extern GLuint
+EXTERN GLuint
_glapi_get_dispatch_table_size(void);
@@ -152,11 +157,11 @@ extern void
_glapi_check_table(const struct _glapi_table *table);
-extern int
+EXTERN int
_glapi_add_dispatch( const char * const * function_names,
const char * parameter_signature );
-extern GLint
+EXTERN GLint
_glapi_get_proc_offset(const char *funcName);
diff --git a/xorg-server/glx/glheader.h b/xorg-server/glx/glheader.h
new file mode 100644
index 000000000..1c0ee2c9e
--- /dev/null
+++ b/xorg-server/glx/glheader.h
@@ -0,0 +1,24 @@
+#ifndef __GLHEADER_H__
+#define __GLHEADER_H__
+
+#define STDC_HEADERS 1
+
+#include <X11/Xwinsock.h>
+#include <X11/Xwindows.h>
+#include <assert.h>
+#define strcasecmp _stricmp
+
+#undef MINSHORT
+#undef MAXSHORT
+
+#define MINSHORT -32768
+#define MAXSHORT 32767
+
+#define PUBLIC
+
+#define GL_GLEXT_PROTOTYPES
+
+#define DRI_DRIVER_PATH "/usr/lib/dri"
+
+#endif
+
diff --git a/xorg-server/glx/glxcmds.c b/xorg-server/glx/glxcmds.c
index 77afbf4b1..6c469b8f8 100644
--- a/xorg-server/glx/glxcmds.c
+++ b/xorg-server/glx/glxcmds.c
@@ -1,2422 +1,2426 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * shall be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
- * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <string.h>
-#include <assert.h>
-
-#include "glxserver.h"
-#include <GL/glxtokens.h>
-#include <unpack.h>
-#include "g_disptab.h"
-#include <pixmapstr.h>
-#include <windowstr.h>
-#include "glxutil.h"
-#include "glxext.h"
-#include "glapitable.h"
-#include "glapi.h"
-#include "glthread.h"
-#include "dispatch.h"
-#include "indirect_dispatch.h"
-#include "indirect_table.h"
-#include "indirect_util.h"
-
-static int
-validGlxScreen(ClientPtr client, int screen, __GLXscreen **pGlxScreen, int *err)
-{
- /*
- ** Check if screen exists.
- */
- if (screen >= screenInfo.numScreens) {
- client->errorValue = screen;
- *err = BadValue;
- return FALSE;
- }
- *pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
-
- return TRUE;
-}
-
-static int
-validGlxFBConfig(ClientPtr client, __GLXscreen *pGlxScreen, XID id,
- __GLXconfig **config, int *err)
-{
- __GLXconfig *m;
-
- for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next)
- if (m->fbconfigID == id) {
- *config = m;
- return TRUE;
- }
-
- client->errorValue = id;
- *err = __glXError(GLXBadFBConfig);
-
- return FALSE;
-}
-
-static int
-validGlxVisual(ClientPtr client, __GLXscreen *pGlxScreen, XID id,
- __GLXconfig **config, int *err)
-{
- int i;
-
- for (i = 0; i < pGlxScreen->numVisuals; i++)
- if (pGlxScreen->visuals[i]->visualID == id) {
- *config = pGlxScreen->visuals[i];
- return TRUE;
- }
-
- client->errorValue = id;
- *err = BadValue;
-
- return FALSE;
-}
-
-static int
-validGlxFBConfigForWindow(ClientPtr client, __GLXconfig *config,
- DrawablePtr pDraw, int *err)
-{
- ScreenPtr pScreen = pDraw->pScreen;
- VisualPtr pVisual = NULL;
- XID vid;
- int i;
-
- vid = wVisual((WindowPtr)pDraw);
- for (i = 0; i < pScreen->numVisuals; i++) {
- if (pScreen->visuals[i].vid == vid) {
- pVisual = &pScreen->visuals[i];
- break;
- }
- }
-
- /* FIXME: What exactly should we check here... */
- if (pVisual->class != glxConvertToXVisualType(config->visualType) ||
- !(config->drawableType & GLX_WINDOW_BIT)) {
- client->errorValue = pDraw->id;
- *err = BadMatch;
- return FALSE;
- }
-
- return TRUE;
-}
-
-static int
-validGlxContext(ClientPtr client, XID id, int access_mode,
- __GLXcontext **context, int *err)
-{
- *err = dixLookupResourceByType((pointer *) context, id,
- __glXContextRes, client, access_mode);
- if (*err != Success) {
- client->errorValue = id;
- if (*err == BadValue)
- *err = __glXError(GLXBadContext);
- return FALSE;
- }
-
- return TRUE;
-}
-
-static int
-validGlxDrawable(ClientPtr client, XID id, int type, int access_mode,
- __GLXdrawable **drawable, int *err)
-{
- int rc;
-
- rc = dixLookupResourceByType((pointer *) drawable, id,
- __glXDrawableRes, client, access_mode);
- if (rc != Success && rc != BadValue) {
- *err = rc;
- client->errorValue = id;
- return FALSE;
- }
-
- if (rc == BadValue ||
- (type != GLX_DRAWABLE_ANY && type != (*drawable)->type)) {
- client->errorValue = id;
- switch (type) {
- case GLX_DRAWABLE_WINDOW:
- *err = __glXError(GLXBadWindow);
- return FALSE;
- case GLX_DRAWABLE_PIXMAP:
- *err = __glXError(GLXBadPixmap);
- return FALSE;
- case GLX_DRAWABLE_PBUFFER:
- *err = __glXError(GLXBadPbuffer);
- return FALSE;
- case GLX_DRAWABLE_ANY:
- *err = __glXError(GLXBadDrawable);
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
-void
-__glXContextDestroy(__GLXcontext *context)
-{
- __glXFlushContextCache();
-}
-
-static void __glXdirectContextDestroy(__GLXcontext *context)
-{
- __glXContextDestroy(context);
- xfree(context);
-}
-
-static __GLXcontext *__glXdirectContextCreate(__GLXscreen *screen,
- __GLXconfig *modes,
- __GLXcontext *shareContext)
-{
- __GLXcontext *context;
-
- context = xcalloc (1, sizeof (__GLXcontext));
- if (context == NULL)
- return NULL;
-
- context->destroy = __glXdirectContextDestroy;
-
- return context;
-}
-
-/**
- * Create a GL context with the given properties. This routine is used
- * to implement \c glXCreateContext, \c glXCreateNewContext, and
- * \c glXCreateContextWithConfigSGIX. This works becuase of the hack way
- * that GLXFBConfigs are implemented. Basically, the FBConfigID is the
- * same as the VisualID.
- */
-
-static int
-DoCreateContext(__GLXclientState *cl, GLXContextID gcId,
- GLXContextID shareList, __GLXconfig *config,
- __GLXscreen *pGlxScreen, GLboolean isDirect)
-{
- ClientPtr client = cl->client;
- __GLXcontext *glxc, *shareglxc;
- int err;
-
- LEGAL_NEW_RESOURCE(gcId, client);
-
- /*
- ** Find the display list space that we want to share.
- **
- ** NOTE: In a multithreaded X server, we would need to keep a reference
- ** count for each display list so that if one client detroyed a list that
- ** another client was using, the list would not really be freed until it
- ** was no longer in use. Since this sample implementation has no support
- ** for multithreaded servers, we don't do this.
- */
- if (shareList == None) {
- shareglxc = 0;
- } else {
- if (!validGlxContext(client, shareList, DixReadAccess,
- &shareglxc, &err))
- return err;
-
- if (shareglxc->isDirect) {
- /*
- ** NOTE: no support for sharing display lists between direct
- ** contexts, even if they are in the same address space.
- */
-#if 0
- /* Disabling this code seems to allow shared display lists
- * and texture objects to work. We'll leave it disabled for now.
- */
- client->errorValue = shareList;
- return BadMatch;
-#endif
- } else {
- /*
- ** Create an indirect context regardless of what the client asked
- ** for; this way we can share display list space with shareList.
- */
- isDirect = GL_FALSE;
- }
- }
-
- /*
- ** Allocate memory for the new context
- */
- if (!isDirect)
- glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc);
- else
- glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc);
- if (!glxc) {
- return BadAlloc;
- }
-
- /*
- ** Initially, setup the part of the context that could be used by
- ** a GL core that needs windowing information (e.g., Mesa).
- */
- glxc->pGlxScreen = pGlxScreen;
- glxc->config = config;
-
- /*
- ** Register this context as a resource.
- */
- if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) {
- (*glxc->destroy)(glxc);
- client->errorValue = gcId;
- return BadAlloc;
- }
-
- /*
- ** Finally, now that everything is working, setup the rest of the
- ** context.
- */
- glxc->id = gcId;
- glxc->share_id = shareList;
- glxc->idExists = GL_TRUE;
- glxc->isCurrent = GL_FALSE;
- glxc->isDirect = isDirect;
- glxc->renderMode = GL_RENDER;
-
- __glXAddToContextList(glxc);
-
- return Success;
-}
-
-int __glXDisp_CreateContext(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
- __GLXconfig *config;
- __GLXscreen *pGlxScreen;
- int err;
-
- if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
- return err;
- if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err))
- return err;
-
- return DoCreateContext(cl, req->context, req->shareList,
- config, pGlxScreen, req->isDirect);
-}
-
-int __glXDisp_CreateNewContext(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
- __GLXconfig *config;
- __GLXscreen *pGlxScreen;
- int err;
-
- if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
- return err;
- if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
- return err;
-
- return DoCreateContext(cl, req->context, req->shareList,
- config, pGlxScreen, req->isDirect);
-}
-
-int __glXDisp_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateContextWithConfigSGIXReq *req =
- (xGLXCreateContextWithConfigSGIXReq *) pc;
- __GLXconfig *config;
- __GLXscreen *pGlxScreen;
- int err;
-
- if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
- return err;
- if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
- return err;
-
- return DoCreateContext(cl, req->context, req->shareList,
- config, pGlxScreen, req->isDirect);
-}
-int __glXDisp_DestroyContext(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc;
- __GLXcontext *glxc;
- int err;
-
- if (!validGlxContext(cl->client, req->context, DixDestroyAccess,
- &glxc, &err))
- return err;
-
- FreeResourceByType(req->context, __glXContextRes, FALSE);
- return Success;
-}
-
-/*****************************************************************************/
-
-/*
-** For each client, the server keeps a table of all the contexts that are
-** current for that client (each thread of a client may have its own current
-** context). These routines add, change, and lookup contexts in the table.
-*/
-
-/*
-** Add a current context, and return the tag that will be used to refer to it.
-*/
-static int AddCurrentContext(__GLXclientState *cl, __GLXcontext *glxc)
-{
- int i;
- int num = cl->numCurrentContexts;
- __GLXcontext **table = cl->currentContexts;
-
- if (!glxc) return -1;
-
- /*
- ** Try to find an empty slot and use it.
- */
- for (i=0; i < num; i++) {
- if (!table[i]) {
- table[i] = glxc;
- return i+1;
- }
- }
- /*
- ** Didn't find a free slot, so we'll have to grow the table.
- */
- if (!num) {
- table = (__GLXcontext **) xalloc(sizeof(__GLXcontext *));
- } else {
- table = (__GLXcontext **) xrealloc(table,
- (num+1)*sizeof(__GLXcontext *));
- }
- table[num] = glxc;
- cl->currentContexts = table;
- cl->numCurrentContexts++;
- return num+1;
-}
-
-/*
-** Given a tag, change the current context for the corresponding entry.
-*/
-static void ChangeCurrentContext(__GLXclientState *cl, __GLXcontext *glxc,
- GLXContextTag tag)
-{
- __GLXcontext **table = cl->currentContexts;
- table[tag-1] = glxc;
-}
-
-/*
-** For this implementation we have chosen to simply use the index of the
-** context's entry in the table as the context tag. A tag must be greater
-** than 0.
-*/
-__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag)
-{
- int num = cl->numCurrentContexts;
-
- if (tag < 1 || tag > num) {
- return 0;
- } else {
- return cl->currentContexts[tag-1];
- }
-}
-
-/*****************************************************************************/
-
-static void StopUsingContext(__GLXcontext *glxc)
-{
- if (glxc) {
- if (glxc == __glXLastContext) {
- /* Tell server GL library */
- __glXLastContext = 0;
- }
- glxc->isCurrent = GL_FALSE;
- if (!glxc->idExists) {
- __glXFreeContext(glxc);
- }
- }
-}
-
-static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc)
-{
- glxc->isCurrent = GL_TRUE;
- __glXLastContext = glxc;
-}
-
-/**
- * This is a helper function to handle the legacy (pre GLX 1.3) cases
- * where passing an X window to glXMakeCurrent is valid. Given a
- * resource ID, look up the GLX drawable if available, otherwise, make
- * sure it's an X window and create a GLX drawable one the fly.
- */
-static __GLXdrawable *
-__glXGetDrawable(__GLXcontext *glxc, GLXDrawable drawId, ClientPtr client,
- int *error)
-{
- DrawablePtr pDraw;
- __GLXdrawable *pGlxDraw;
- int rc;
-
- if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY,
- DixWriteAccess, &pGlxDraw, &rc)) {
- if (glxc != NULL && pGlxDraw->config != glxc->config) {
- client->errorValue = drawId;
- *error = BadMatch;
- return NULL;
- }
-
- return pGlxDraw;
- }
-
- /* The drawId wasn't a GLX drawable. Make sure it's a window and
- * create a GLXWindow for it. Check that the drawable screen
- * matches the context screen and that the context fbconfig is
- * compatible with the window visual. */
-
- rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess);
- if (rc != Success || pDraw->type != DRAWABLE_WINDOW) {
- client->errorValue = drawId;
- *error = __glXError(GLXBadDrawable);
- return NULL;
- }
-
- if (pDraw->pScreen != glxc->pGlxScreen->pScreen) {
- client->errorValue = pDraw->pScreen->myNum;
- *error = BadMatch;
- return NULL;
- }
-
- if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error))
- return NULL;
-
- pGlxDraw = glxc->pGlxScreen->createDrawable(glxc->pGlxScreen,
- pDraw, GLX_DRAWABLE_WINDOW,
- drawId, glxc->config);
-
- /* since we are creating the drawablePrivate, drawId should be new */
- if (!AddResource(drawId, __glXDrawableRes, pGlxDraw)) {
- pGlxDraw->destroy (pGlxDraw);
- *error = BadAlloc;
- return NULL;
- }
-
- return pGlxDraw;
-}
-
-/*****************************************************************************/
-/*
-** Make an OpenGL context and drawable current.
-*/
-
-static int
-DoMakeCurrent(__GLXclientState *cl,
- GLXDrawable drawId, GLXDrawable readId,
- GLXContextID contextId, GLXContextTag tag)
-{
- ClientPtr client = cl->client;
- xGLXMakeCurrentReply reply;
- __GLXcontext *glxc, *prevglxc;
- __GLXdrawable *drawPriv = NULL;
- __GLXdrawable *readPriv = NULL;
- int error;
- GLuint mask;
-
- /*
- ** If one is None and the other isn't, it's a bad match.
- */
-
- mask = (drawId == None) ? (1 << 0) : 0;
- mask |= (readId == None) ? (1 << 1) : 0;
- mask |= (contextId == None) ? (1 << 2) : 0;
-
- if ( (mask != 0x00) && (mask != 0x07) ) {
- return BadMatch;
- }
-
- /*
- ** Lookup old context. If we have one, it must be in a usable state.
- */
- if (tag != 0) {
- prevglxc = __glXLookupContextByTag(cl, tag);
- if (!prevglxc) {
- /*
- ** Tag for previous context is invalid.
- */
- return __glXError(GLXBadContextTag);
- }
- if (prevglxc->renderMode != GL_RENDER) {
- /* Oops. Not in render mode render. */
- client->errorValue = prevglxc->id;
- return __glXError(GLXBadContextState);
- }
- } else {
- prevglxc = 0;
- }
-
- /*
- ** Lookup new context. It must not be current for someone else.
- */
- if (contextId != None) {
- int status;
-
- if (!validGlxContext(client, contextId, DixUseAccess, &glxc, &error))
- return error;
- if ((glxc != prevglxc) && glxc->isCurrent) {
- /* Context is current to somebody else */
- return BadAccess;
- }
-
- assert( drawId != None );
- assert( readId != None );
-
- drawPriv = __glXGetDrawable(glxc, drawId, client, &status);
- if (drawPriv == NULL)
- return status;
-
- readPriv = __glXGetDrawable(glxc, readId, client, &status);
- if (readPriv == NULL)
- return status;
-
- } else {
- /* Switching to no context. Ignore new drawable. */
- glxc = 0;
- drawPriv = 0;
- readPriv = 0;
- }
-
-
- if (prevglxc) {
- /*
- ** Flush the previous context if needed.
- */
- if (__GLX_HAS_UNFLUSHED_CMDS(prevglxc)) {
- if (__glXForceCurrent(cl, tag, (int *)&error)) {
- CALL_Flush( GET_DISPATCH(), () );
- __GLX_NOTE_FLUSHED_CMDS(prevglxc);
- } else {
- return error;
- }
- }
-
- /*
- ** Make the previous context not current.
- */
- if (!(*prevglxc->loseCurrent)(prevglxc)) {
- return __glXError(GLXBadContext);
- }
- __glXFlushContextCache();
- if (!prevglxc->isDirect) {
- prevglxc->drawPriv = NULL;
- prevglxc->readPriv = NULL;
- }
- }
-
-
- if ((glxc != 0) && !glxc->isDirect) {
-
- glxc->drawPriv = drawPriv;
- glxc->readPriv = readPriv;
-
- /* make the context current */
- if (!(*glxc->makeCurrent)(glxc)) {
- glxc->drawPriv = NULL;
- glxc->readPriv = NULL;
- return __glXError(GLXBadContext);
- }
-
- glxc->isCurrent = GL_TRUE;
- }
-
- if (prevglxc) {
- ChangeCurrentContext(cl, glxc, tag);
- StopUsingContext(prevglxc);
- } else {
- tag = AddCurrentContext(cl, glxc);
- }
-
- if (glxc) {
- StartUsingContext(cl, glxc);
- reply.contextTag = tag;
- } else {
- reply.contextTag = 0;
- }
-
- reply.length = 0;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __glXSwapMakeCurrentReply(client, &reply);
- } else {
- WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)&reply);
- }
- return Success;
-}
-
-int __glXDisp_MakeCurrent(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc;
-
- return DoMakeCurrent( cl, req->drawable, req->drawable,
- req->context, req->oldContextTag );
-}
-
-int __glXDisp_MakeContextCurrent(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc;
-
- return DoMakeCurrent( cl, req->drawable, req->readdrawable,
- req->context, req->oldContextTag );
-}
-
-int __glXDisp_MakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc;
-
- return DoMakeCurrent( cl, req->drawable, req->readable,
- req->context, req->oldContextTag );
-}
-
-int __glXDisp_IsDirect(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc;
- xGLXIsDirectReply reply;
- __GLXcontext *glxc;
- int err;
-
- if (!validGlxContext(cl->client, req->context, DixReadAccess, &glxc, &err))
- return err;
-
- reply.isDirect = glxc->isDirect;
- reply.length = 0;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __glXSwapIsDirectReply(client, &reply);
- } else {
- WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply);
- }
-
- return Success;
-}
-
-int __glXDisp_QueryVersion(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc;
- xGLXQueryVersionReply reply;
- GLuint major, minor;
-
- major = req->majorVersion;
- minor = req->minorVersion;
- (void)major;
- (void)minor;
-
- /*
- ** Server should take into consideration the version numbers sent by the
- ** client if it wants to work with older clients; however, in this
- ** implementation the server just returns its version number.
- */
- reply.majorVersion = glxMajorVersion;
- reply.minorVersion = glxMinorVersion;
- reply.length = 0;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __glXSwapQueryVersionReply(client, &reply);
- } else {
- WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply);
- }
- return Success;
-}
-
-int __glXDisp_WaitGL(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc;
- GLXContextTag tag = req->contextTag;
- __GLXcontext *glxc = NULL;
- int error;
-
- if (tag) {
- glxc = __glXLookupContextByTag(cl, tag);
- if (!glxc)
- return __glXError(GLXBadContextTag);
-
- if (!__glXForceCurrent(cl, req->contextTag, &error))
- return error;
-
- CALL_Finish( GET_DISPATCH(), () );
- }
-
- if (glxc && glxc->drawPriv->waitGL)
- (*glxc->drawPriv->waitGL)(glxc->drawPriv);
-
- return Success;
-}
-
-int __glXDisp_WaitX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXWaitXReq *req = (xGLXWaitXReq *)pc;
- GLXContextTag tag = req->contextTag;
- __GLXcontext *glxc = NULL;
- int error;
-
- if (tag) {
- glxc = __glXLookupContextByTag(cl, tag);
- if (!glxc)
- return __glXError(GLXBadContextTag);
-
- if (!__glXForceCurrent(cl, req->contextTag, &error))
- return error;
- }
-
- if (glxc && glxc->drawPriv->waitX)
- (*glxc->drawPriv->waitX)(glxc->drawPriv);
-
- return Success;
-}
-
-int __glXDisp_CopyContext(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc;
- GLXContextID source = req->source;
- GLXContextID dest = req->dest;
- GLXContextTag tag = req->contextTag;
- unsigned long mask = req->mask;
- __GLXcontext *src, *dst;
- int error;
-
- if (!validGlxContext(cl->client, source, DixReadAccess, &src, &error))
- return error;
- if (!validGlxContext(cl->client, dest, DixWriteAccess, &dst, &error))
- return error;
-
- /*
- ** They must be in the same address space, and same screen.
- ** NOTE: no support for direct rendering contexts here.
- */
- if (src->isDirect || dst->isDirect ||
- (src->pGlxScreen != dst->pGlxScreen)) {
- client->errorValue = source;
- return BadMatch;
- }
-
- /*
- ** The destination context must not be current for any client.
- */
- if (dst->isCurrent) {
- client->errorValue = dest;
- return BadAccess;
- }
-
- if (tag) {
- __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag);
-
- if (!tagcx) {
- return __glXError(GLXBadContextTag);
- }
- if (tagcx != src) {
- /*
- ** This would be caused by a faulty implementation of the client
- ** library.
- */
- return BadMatch;
- }
- /*
- ** In this case, glXCopyContext is in both GL and X streams, in terms
- ** of sequentiality.
- */
- if (__glXForceCurrent(cl, tag, &error)) {
- /*
- ** Do whatever is needed to make sure that all preceding requests
- ** in both streams are completed before the copy is executed.
- */
- CALL_Finish( GET_DISPATCH(), () );
- __GLX_NOTE_FLUSHED_CMDS(tagcx);
- } else {
- return error;
- }
- }
- /*
- ** Issue copy. The only reason for failure is a bad mask.
- */
- if (!(*dst->copy)(dst, src, mask)) {
- client->errorValue = mask;
- return BadValue;
- }
- return Success;
-}
-
-enum {
- GLX_VIS_CONFIG_UNPAIRED = 18,
- GLX_VIS_CONFIG_PAIRED = 20
-};
-
-enum {
- GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED
-};
-
-int __glXDisp_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc;
- ClientPtr client = cl->client;
- xGLXGetVisualConfigsReply reply;
- __GLXscreen *pGlxScreen;
- __GLXconfig *modes;
- CARD32 buf[GLX_VIS_CONFIG_TOTAL];
- int p, i, err;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
- return err;
-
- reply.numVisuals = pGlxScreen->numVisuals;
- reply.numProps = GLX_VIS_CONFIG_TOTAL;
- reply.length = (reply.numVisuals * __GLX_SIZE_CARD32 * GLX_VIS_CONFIG_TOTAL) >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- __GLX_SWAP_INT(&reply.numVisuals);
- __GLX_SWAP_INT(&reply.numProps);
- }
-
- WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply);
-
- for (i = 0; i < pGlxScreen->numVisuals; i++) {
- modes = pGlxScreen->visuals[i];
-
- p = 0;
- buf[p++] = modes->visualID;
- buf[p++] = glxConvertToXVisualType( modes->visualType );
- buf[p++] = (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE;
-
- buf[p++] = modes->redBits;
- buf[p++] = modes->greenBits;
- buf[p++] = modes->blueBits;
- buf[p++] = modes->alphaBits;
- buf[p++] = modes->accumRedBits;
- buf[p++] = modes->accumGreenBits;
- buf[p++] = modes->accumBlueBits;
- buf[p++] = modes->accumAlphaBits;
-
- buf[p++] = modes->doubleBufferMode;
- buf[p++] = modes->stereoMode;
-
- buf[p++] = modes->rgbBits;
- buf[p++] = modes->depthBits;
- buf[p++] = modes->stencilBits;
- buf[p++] = modes->numAuxBuffers;
- buf[p++] = modes->level;
-
- assert(p == GLX_VIS_CONFIG_UNPAIRED);
- /*
- ** Add token/value pairs for extensions.
- */
- buf[p++] = GLX_VISUAL_CAVEAT_EXT;
- buf[p++] = modes->visualRating;
- buf[p++] = GLX_TRANSPARENT_TYPE;
- buf[p++] = modes->transparentPixel;
- buf[p++] = GLX_TRANSPARENT_RED_VALUE;
- buf[p++] = modes->transparentRed;
- buf[p++] = GLX_TRANSPARENT_GREEN_VALUE;
- buf[p++] = modes->transparentGreen;
- buf[p++] = GLX_TRANSPARENT_BLUE_VALUE;
- buf[p++] = modes->transparentBlue;
- buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE;
- buf[p++] = modes->transparentAlpha;
- buf[p++] = GLX_TRANSPARENT_INDEX_VALUE;
- buf[p++] = modes->transparentIndex;
- buf[p++] = GLX_SAMPLES_SGIS;
- buf[p++] = modes->samples;
- buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
- buf[p++] = modes->sampleBuffers;
- buf[p++] = 0; /* copy over visualSelectGroup (GLX_VISUAL_SELECT_GROUP_SGIX)? */
- buf[p++] = 0;
-
- assert(p == GLX_VIS_CONFIG_TOTAL);
- if (client->swapped) {
- __GLX_SWAP_INT_ARRAY(buf, p);
- }
- WriteToClient(client, __GLX_SIZE_CARD32 * p, (char *)buf);
- }
- return Success;
-}
-
-#define __GLX_TOTAL_FBCONFIG_ATTRIBS (36)
-#define __GLX_FBCONFIG_ATTRIBS_LENGTH (__GLX_TOTAL_FBCONFIG_ATTRIBS * 2)
-/**
- * Send the set of GLXFBConfigs to the client. There is not currently
- * and interface into the driver on the server-side to get GLXFBConfigs,
- * so we "invent" some based on the \c __GLXvisualConfig structures that
- * the driver does supply.
- *
- * The reply format for both \c glXGetFBConfigs and \c glXGetFBConfigsSGIX
- * is the same, so this routine pulls double duty.
- */
-
-static int
-DoGetFBConfigs(__GLXclientState *cl, unsigned screen)
-{
- ClientPtr client = cl->client;
- xGLXGetFBConfigsReply reply;
- __GLXscreen *pGlxScreen;
- CARD32 buf[__GLX_FBCONFIG_ATTRIBS_LENGTH];
- int p, err;
- __GLXconfig *modes;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- if (!validGlxScreen(cl->client, screen, &pGlxScreen, &err))
- return err;
-
- reply.numFBConfigs = pGlxScreen->numFBConfigs;
- reply.numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS;
- reply.length = (__GLX_FBCONFIG_ATTRIBS_LENGTH * reply.numFBConfigs);
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- __GLX_SWAP_INT(&reply.numFBConfigs);
- __GLX_SWAP_INT(&reply.numAttribs);
- }
-
- WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *)&reply);
-
- for (modes = pGlxScreen->fbconfigs; modes != NULL; modes = modes->next) {
- p = 0;
-
-#define WRITE_PAIR(tag,value) \
- do { buf[p++] = tag ; buf[p++] = value ; } while( 0 )
-
- WRITE_PAIR( GLX_VISUAL_ID, modes->visualID );
- WRITE_PAIR( GLX_FBCONFIG_ID, modes->fbconfigID );
- WRITE_PAIR( GLX_X_RENDERABLE, GL_TRUE );
-
- WRITE_PAIR( GLX_RGBA,
- (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE );
- WRITE_PAIR( GLX_RENDER_TYPE, modes->renderType );
- WRITE_PAIR( GLX_DOUBLEBUFFER, modes->doubleBufferMode );
- WRITE_PAIR( GLX_STEREO, modes->stereoMode );
-
- WRITE_PAIR( GLX_BUFFER_SIZE, modes->rgbBits );
- WRITE_PAIR( GLX_LEVEL, modes->level );
- WRITE_PAIR( GLX_AUX_BUFFERS, modes->numAuxBuffers );
- WRITE_PAIR( GLX_RED_SIZE, modes->redBits );
- WRITE_PAIR( GLX_GREEN_SIZE, modes->greenBits );
- WRITE_PAIR( GLX_BLUE_SIZE, modes->blueBits );
- WRITE_PAIR( GLX_ALPHA_SIZE, modes->alphaBits );
- WRITE_PAIR( GLX_ACCUM_RED_SIZE, modes->accumRedBits );
- WRITE_PAIR( GLX_ACCUM_GREEN_SIZE, modes->accumGreenBits );
- WRITE_PAIR( GLX_ACCUM_BLUE_SIZE, modes->accumBlueBits );
- WRITE_PAIR( GLX_ACCUM_ALPHA_SIZE, modes->accumAlphaBits );
- WRITE_PAIR( GLX_DEPTH_SIZE, modes->depthBits );
- WRITE_PAIR( GLX_STENCIL_SIZE, modes->stencilBits );
- WRITE_PAIR( GLX_X_VISUAL_TYPE, modes->visualType );
- WRITE_PAIR( GLX_CONFIG_CAVEAT, modes->visualRating );
- WRITE_PAIR( GLX_TRANSPARENT_TYPE, modes->transparentPixel );
- WRITE_PAIR( GLX_TRANSPARENT_RED_VALUE, modes->transparentRed );
- WRITE_PAIR( GLX_TRANSPARENT_GREEN_VALUE, modes->transparentGreen );
- WRITE_PAIR( GLX_TRANSPARENT_BLUE_VALUE, modes->transparentBlue );
- WRITE_PAIR( GLX_TRANSPARENT_ALPHA_VALUE, modes->transparentAlpha );
- WRITE_PAIR( GLX_TRANSPARENT_INDEX_VALUE, modes->transparentIndex );
- WRITE_PAIR( GLX_SWAP_METHOD_OML, modes->swapMethod );
- WRITE_PAIR( GLX_SAMPLES_SGIS, modes->samples );
- WRITE_PAIR( GLX_SAMPLE_BUFFERS_SGIS, modes->sampleBuffers );
- /* GLX_VISUAL_SELECT_GROUP_SGIX ? */
- WRITE_PAIR( GLX_DRAWABLE_TYPE, modes->drawableType );
- WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGB_EXT, modes->bindToTextureRgb );
- WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGBA_EXT, modes->bindToTextureRgba );
- WRITE_PAIR( GLX_BIND_TO_MIPMAP_TEXTURE_EXT, modes->bindToMipmapTexture );
- WRITE_PAIR( GLX_BIND_TO_TEXTURE_TARGETS_EXT, modes->bindToTextureTargets );
-
- if (client->swapped) {
- __GLX_SWAP_INT_ARRAY(buf, __GLX_FBCONFIG_ATTRIBS_LENGTH);
- }
- WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_FBCONFIG_ATTRIBS_LENGTH,
- (char *)buf);
- }
- return Success;
-}
-
-
-int __glXDisp_GetFBConfigs(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc;
- return DoGetFBConfigs(cl, req->screen);
-}
-
-int __glXDisp_GetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc;
- return DoGetFBConfigs(cl, req->screen);
-}
-
-GLboolean
-__glXDrawableInit(__GLXdrawable *drawable,
- __GLXscreen *screen, DrawablePtr pDraw, int type,
- XID drawId, __GLXconfig *config)
-{
- drawable->pDraw = pDraw;
- drawable->type = type;
- drawable->drawId = drawId;
- drawable->config = config;
- drawable->eventMask = 0;
-
- return GL_TRUE;
-}
-
-void
-__glXDrawableRelease(__GLXdrawable *drawable)
-{
- ScreenPtr pScreen = drawable->pDraw->pScreen;
-
- switch (drawable->type) {
- case GLX_DRAWABLE_PIXMAP:
- case GLX_DRAWABLE_PBUFFER:
- (*pScreen->DestroyPixmap)((PixmapPtr) drawable->pDraw);
- break;
- }
-}
-
-static int
-DoCreateGLXDrawable(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config,
- DrawablePtr pDraw, XID glxDrawableId, int type)
-{
- __GLXdrawable *pGlxDraw;
-
- LEGAL_NEW_RESOURCE(glxDrawableId, client);
-
- if (pGlxScreen->pScreen != pDraw->pScreen)
- return BadMatch;
-
- pGlxDraw = pGlxScreen->createDrawable(pGlxScreen, pDraw, type,
- glxDrawableId, config);
- if (pGlxDraw == NULL)
- return BadAlloc;
-
- if (!AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) {
- pGlxDraw->destroy (pGlxDraw);
- return BadAlloc;
- }
-
- return Success;
-}
-
-static int
-DoCreateGLXPixmap(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config,
- XID drawableId, XID glxDrawableId)
-{
- DrawablePtr pDraw;
- int err;
-
- err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess);
- if (err != Success) {
- client->errorValue = drawableId;
- return err;
- }
- if (pDraw->type != DRAWABLE_PIXMAP) {
- client->errorValue = drawableId;
- return BadPixmap;
- }
-
- err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw,
- glxDrawableId, GLX_DRAWABLE_PIXMAP);
-
- if (err == Success)
- ((PixmapPtr) pDraw)->refcnt++;
-
- return err;
-}
-
-static void
-determineTextureTarget(ClientPtr client, XID glxDrawableID,
- CARD32 *attribs, CARD32 numAttribs)
-{
- GLenum target = 0;
- GLenum format = 0;
- int i, err;
- __GLXdrawable *pGlxDraw;
-
- if (!validGlxDrawable(client, glxDrawableID, GLX_DRAWABLE_PIXMAP,
- DixWriteAccess, &pGlxDraw, &err))
- /* We just added it in CreatePixmap, so we should never get here. */
- return;
-
- for (i = 0; i < numAttribs; i++) {
- if (attribs[2 * i] == GLX_TEXTURE_TARGET_EXT) {
- switch (attribs[2 * i + 1]) {
- case GLX_TEXTURE_2D_EXT:
- target = GL_TEXTURE_2D;
- break;
- case GLX_TEXTURE_RECTANGLE_EXT:
- target = GL_TEXTURE_RECTANGLE_ARB;
- break;
- }
- }
-
- if (attribs[2 * i] == GLX_TEXTURE_FORMAT_EXT)
- format = attribs[2 * i + 1];
- }
-
- if (!target) {
- int w = pGlxDraw->pDraw->width, h = pGlxDraw->pDraw->height;
-
- if (h & (h - 1) || w & (w - 1))
- target = GL_TEXTURE_RECTANGLE_ARB;
- else
- target = GL_TEXTURE_2D;
- }
-
- pGlxDraw->target = target;
- pGlxDraw->format = format;
-}
-
-int __glXDisp_CreateGLXPixmap(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc;
- __GLXconfig *config;
- __GLXscreen *pGlxScreen;
- int err;
-
- if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
- return err;
- if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err))
- return err;
-
- return DoCreateGLXPixmap(cl->client, pGlxScreen, config,
- req->pixmap, req->glxpixmap);
-}
-
-int __glXDisp_CreatePixmap(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc;
- __GLXconfig *config;
- __GLXscreen *pGlxScreen;
- int err;
-
- if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
- return err;
- if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
- return err;
-
- err = DoCreateGLXPixmap(cl->client, pGlxScreen, config,
- req->pixmap, req->glxpixmap);
- if (err != Success)
- return err;
-
- determineTextureTarget(cl->client, req->glxpixmap,
- (CARD32*) (req + 1), req->numAttribs);
-
- return Success;
-}
-
-int __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateGLXPixmapWithConfigSGIXReq *req =
- (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc;
- __GLXconfig *config;
- __GLXscreen *pGlxScreen;
- int err;
-
- if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
- return err;
- if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
- return err;
-
- return DoCreateGLXPixmap(cl->client, pGlxScreen,
- config, req->pixmap, req->glxpixmap);
-}
-
-
-static int DoDestroyDrawable(__GLXclientState *cl, XID glxdrawable, int type)
-{
- __GLXdrawable *pGlxDraw;
- int err;
-
- if (!validGlxDrawable(cl->client, glxdrawable, type,
- DixDestroyAccess, &pGlxDraw, &err))
- return err;
-
- FreeResource(glxdrawable, FALSE);
-
- return Success;
-}
-
-int __glXDisp_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;
-
- return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP);
-}
-
-int __glXDisp_DestroyPixmap(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc;
-
- return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP);
-}
-
-static int
-DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId,
- int width, int height, XID glxDrawableId)
-{
- __GLXconfig *config;
- __GLXscreen *pGlxScreen;
- PixmapPtr pPixmap;
- int err;
-
- if (!validGlxScreen(client, screenNum, &pGlxScreen, &err))
- return err;
- if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err))
- return err;
-
- __glXenterServer(GL_FALSE);
- pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen,
- width, height, config->rgbBits, 0);
- __glXleaveServer(GL_FALSE);
-
- return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable,
- glxDrawableId, GLX_DRAWABLE_PBUFFER);
-}
-
-int __glXDisp_CreatePbuffer(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc;
- CARD32 *attrs;
- int width, height, i;
-
- attrs = (CARD32 *) (req + 1);
- width = 0;
- height = 0;
-
- for (i = 0; i < req->numAttribs; i++) {
- switch (attrs[i * 2]) {
- case GLX_PBUFFER_WIDTH:
- width = attrs[i * 2 + 1];
- break;
- case GLX_PBUFFER_HEIGHT:
- height = attrs[i * 2 + 1];
- break;
- case GLX_LARGEST_PBUFFER:
- case GLX_PRESERVED_CONTENTS:
- /* FIXME: huh... */
- break;
- }
- }
-
- return DoCreatePbuffer(cl->client, req->screen, req->fbconfig,
- width, height, req->pbuffer);
-}
-
-int __glXDisp_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc;
-
- return DoCreatePbuffer(cl->client, req->screen, req->fbconfig,
- req->width, req->height, req->pbuffer);
-}
-
-int __glXDisp_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc;
-
- return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER);
-}
-
-int __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc;
-
- return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER);
-}
-
-static int
-DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable,
- int numAttribs, CARD32 *attribs)
-{
- __GLXdrawable *pGlxDraw;
- int i, err;
-
- if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY,
- DixSetAttrAccess, &pGlxDraw, &err))
- return err;
-
- for (i = 0; i < numAttribs; i++) {
- switch(attribs[i * 2]) {
- case GLX_EVENT_MASK:
- /* All we do is to record the event mask so we can send it
- * back when queried. We never actually clobber the
- * pbuffers, so we never need to send out the event. */
- pGlxDraw->eventMask = attribs[i * 2 + 1];
- break;
- }
- }
-
- return Success;
-}
-
-int __glXDisp_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXChangeDrawableAttributesReq *req =
- (xGLXChangeDrawableAttributesReq *) pc;
-
- return DoChangeDrawableAttributes(cl->client, req->drawable,
- req->numAttribs, (CARD32 *) (req + 1));
-}
-
-int __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXChangeDrawableAttributesSGIXReq *req =
- (xGLXChangeDrawableAttributesSGIXReq *)pc;
-
- return DoChangeDrawableAttributes(cl->client, req->drawable,
- req->numAttribs, (CARD32 *) (req + 1));
-}
-
-int __glXDisp_CreateWindow(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc;
- __GLXconfig *config;
- __GLXscreen *pGlxScreen;
- ClientPtr client = cl->client;
- DrawablePtr pDraw;
- int err;
-
- if (!validGlxScreen(client, req->screen, &pGlxScreen, &err))
- return err;
- if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err))
- return err;
-
- err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess);
- if (err != Success || pDraw->type != DRAWABLE_WINDOW) {
- client->errorValue = req->window;
- return BadWindow;
- }
-
- if (!validGlxFBConfigForWindow(client, config, pDraw, &err))
- return err;
-
- return DoCreateGLXDrawable(client, pGlxScreen, config,
- pDraw, req->glxwindow, GLX_DRAWABLE_WINDOW);
-}
-
-int __glXDisp_DestroyWindow(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc;
-
- return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW);
-}
-
-
-/*****************************************************************************/
-
-/*
-** NOTE: There is no portable implementation for swap buffers as of
-** this time that is of value. Consequently, this code must be
-** implemented by somebody other than SGI.
-*/
-int __glXDisp_SwapBuffers(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc;
- GLXContextTag tag = req->contextTag;
- XID drawId = req->drawable;
- __GLXcontext *glxc = NULL;
- __GLXdrawable *pGlxDraw;
- int error;
-
- if (tag) {
- glxc = __glXLookupContextByTag(cl, tag);
- if (!glxc) {
- return __glXError(GLXBadContextTag);
- }
- /*
- ** The calling thread is swapping its current drawable. In this case,
- ** glxSwapBuffers is in both GL and X streams, in terms of
- ** sequentiality.
- */
- if (__glXForceCurrent(cl, tag, &error)) {
- /*
- ** Do whatever is needed to make sure that all preceding requests
- ** in both streams are completed before the swap is executed.
- */
- CALL_Finish( GET_DISPATCH(), () );
- __GLX_NOTE_FLUSHED_CMDS(glxc);
- } else {
- return error;
- }
- }
-
- pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error);
- if (pGlxDraw == NULL)
- return error;
-
- if (pGlxDraw->type == DRAWABLE_WINDOW &&
- (*pGlxDraw->swapBuffers)(cl->client, pGlxDraw) == GL_FALSE)
- return __glXError(GLXBadDrawable);
-
- return Success;
-}
-
-
-static int
-DoQueryContext(__GLXclientState *cl, GLXContextID gcId)
-{
- ClientPtr client = cl->client;
- __GLXcontext *ctx;
- xGLXQueryContextInfoEXTReply reply;
- int nProps;
- int *sendBuf, *pSendBuf;
- int nReplyBytes;
- int err;
-
- if (!validGlxContext(cl->client, gcId, DixReadAccess, &ctx, &err))
- return err;
-
- nProps = 3;
- reply.length = nProps << 1;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.n = nProps;
-
- nReplyBytes = reply.length << 2;
- sendBuf = (int *)xalloc((size_t)nReplyBytes);
- if (sendBuf == NULL) {
- return __glXError(GLXBadContext); /* XXX: Is this correct? */
- }
- pSendBuf = sendBuf;
- *pSendBuf++ = GLX_SHARE_CONTEXT_EXT;
- *pSendBuf++ = (int)(ctx->share_id);
- *pSendBuf++ = GLX_VISUAL_ID_EXT;
- *pSendBuf++ = (int)(ctx->config->visualID);
- *pSendBuf++ = GLX_SCREEN_EXT;
- *pSendBuf++ = (int)(ctx->pGlxScreen->pScreen->myNum);
-
- if (client->swapped) {
- __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf);
- } else {
- WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)&reply);
- WriteToClient(client, nReplyBytes, (char *)sendBuf);
- }
- xfree((char *)sendBuf);
-
- return Success;
-}
-
-int __glXDisp_QueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc;
-
- return DoQueryContext(cl, req->context);
-}
-
-int __glXDisp_QueryContext(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc;
-
- return DoQueryContext(cl, req->context);
-}
-
-int __glXDisp_BindTexImageEXT(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
- ClientPtr client = cl->client;
- __GLXcontext *context;
- __GLXdrawable *pGlxDraw;
- GLXDrawable drawId;
- int buffer;
- int error;
-
- pc += __GLX_VENDPRIV_HDR_SIZE;
-
- drawId = *((CARD32 *) (pc));
- buffer = *((INT32 *) (pc + 4));
-
- if (buffer != GLX_FRONT_LEFT_EXT)
- return __glXError(GLXBadPixmap);
-
- context = __glXForceCurrent (cl, req->contextTag, &error);
- if (!context)
- return error;
-
- if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP,
- DixReadAccess, &pGlxDraw, &error))
- return error;
-
- if (!context->textureFromPixmap)
- return __glXError(GLXUnsupportedPrivateRequest);
-
- return context->textureFromPixmap->bindTexImage(context,
- buffer,
- pGlxDraw);
-}
-
-int __glXDisp_ReleaseTexImageEXT(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
- ClientPtr client = cl->client;
- __GLXdrawable *pGlxDraw;
- __GLXcontext *context;
- GLXDrawable drawId;
- int buffer;
- int error;
-
- pc += __GLX_VENDPRIV_HDR_SIZE;
-
- drawId = *((CARD32 *) (pc));
- buffer = *((INT32 *) (pc + 4));
-
- context = __glXForceCurrent (cl, req->contextTag, &error);
- if (!context)
- return error;
-
- if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP,
- DixReadAccess, &pGlxDraw, &error))
- return error;
-
- if (!context->textureFromPixmap)
- return __glXError(GLXUnsupportedPrivateRequest);
-
- return context->textureFromPixmap->releaseTexImage(context,
- buffer,
- pGlxDraw);
-}
-
-int __glXDisp_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
- GLXContextTag tag = req->contextTag;
- __GLXcontext *glxc = NULL;
- __GLXdrawable *pGlxDraw;
- ClientPtr client = cl->client;
- GLXDrawable drawId;
- int error;
- int x, y, width, height;
-
- (void) client;
- (void) req;
-
- pc += __GLX_VENDPRIV_HDR_SIZE;
-
- drawId = *((CARD32 *) (pc));
- x = *((INT32 *) (pc + 4));
- y = *((INT32 *) (pc + 8));
- width = *((INT32 *) (pc + 12));
- height = *((INT32 *) (pc + 16));
-
- if (tag) {
- glxc = __glXLookupContextByTag(cl, tag);
- if (!glxc) {
- return __glXError(GLXBadContextTag);
- }
- /*
- ** The calling thread is swapping its current drawable. In this case,
- ** glxSwapBuffers is in both GL and X streams, in terms of
- ** sequentiality.
- */
- if (__glXForceCurrent(cl, tag, &error)) {
- /*
- ** Do whatever is needed to make sure that all preceding requests
- ** in both streams are completed before the swap is executed.
- */
- CALL_Finish( GET_DISPATCH(), () );
- __GLX_NOTE_FLUSHED_CMDS(glxc);
- } else {
- return error;
- }
- }
-
- pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error);
- if (!pGlxDraw)
- return error;
-
- if (pGlxDraw == NULL ||
- pGlxDraw->type != GLX_DRAWABLE_WINDOW ||
- pGlxDraw->copySubBuffer == NULL)
- return __glXError(GLXBadDrawable);
-
- (*pGlxDraw->copySubBuffer)(pGlxDraw, x, y, width, height);
-
- return Success;
-}
-
-/*
-** Get drawable attributes
-*/
-static int
-DoGetDrawableAttributes(__GLXclientState *cl, XID drawId)
-{
- ClientPtr client = cl->client;
- xGLXGetDrawableAttributesReply reply;
- __GLXdrawable *pGlxDraw;
- CARD32 attributes[6];
- int numAttribs, error;
-
- if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY,
- DixGetAttrAccess, &pGlxDraw, &error))
- return error;
-
- numAttribs = 3;
- reply.length = numAttribs << 1;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.numAttribs = numAttribs;
-
- attributes[0] = GLX_TEXTURE_TARGET_EXT;
- attributes[1] = pGlxDraw->target == GL_TEXTURE_2D ? GLX_TEXTURE_2D_EXT :
- GLX_TEXTURE_RECTANGLE_EXT;
- attributes[2] = GLX_Y_INVERTED_EXT;
- attributes[3] = GL_FALSE;
- attributes[4] = GLX_EVENT_MASK;
- attributes[5] = pGlxDraw->eventMask;
-
- if (client->swapped) {
- __glXSwapGetDrawableAttributesReply(client, &reply, attributes);
- } else {
- WriteToClient(client, sz_xGLXGetDrawableAttributesReply,
- (char *)&reply);
- WriteToClient(client, reply.length * sizeof (CARD32),
- (char *)attributes);
- }
-
- return Success;
-}
-
-int __glXDisp_GetDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc;
-
- return DoGetDrawableAttributes(cl, req->drawable);
-}
-
-int __glXDisp_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXGetDrawableAttributesSGIXReq *req =
- (xGLXGetDrawableAttributesSGIXReq *)pc;
-
- return DoGetDrawableAttributes(cl, req->drawable);
-}
-
-/************************************************************************/
-
-/*
-** Render and Renderlarge are not in the GLX API. They are used by the GLX
-** client library to send batches of GL rendering commands.
-*/
-
-/*
-** Execute all the drawing commands in a request.
-*/
-int __glXDisp_Render(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXRenderReq *req;
- ClientPtr client= cl->client;
- int left, cmdlen, error;
- int commandsDone;
- CARD16 opcode;
- __GLXrenderHeader *hdr;
- __GLXcontext *glxc;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- req = (xGLXRenderReq *) pc;
- if (client->swapped) {
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
- }
-
- glxc = __glXForceCurrent(cl, req->contextTag, &error);
- if (!glxc) {
- return error;
- }
-
- commandsDone = 0;
- pc += sz_xGLXRenderReq;
- left = (req->length << 2) - sz_xGLXRenderReq;
- while (left > 0) {
- __GLXrenderSizeData entry;
- int extra;
- __GLXdispatchRenderProcPtr proc;
- int err;
-
- /*
- ** Verify that the header length and the overall length agree.
- ** Also, each command must be word aligned.
- */
- hdr = (__GLXrenderHeader *) pc;
- if (client->swapped) {
- __GLX_SWAP_SHORT(&hdr->length);
- __GLX_SWAP_SHORT(&hdr->opcode);
- }
- cmdlen = hdr->length;
- opcode = hdr->opcode;
-
- /*
- ** Check for core opcodes and grab entry data.
- */
- err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry);
- proc = (__GLXdispatchRenderProcPtr)
- __glXGetProtocolDecodeFunction(& Render_dispatch_info,
- opcode, client->swapped);
-
- if ((err < 0) || (proc == NULL)) {
- client->errorValue = commandsDone;
- return __glXError(GLXBadRenderRequest);
- }
-
- if (entry.varsize) {
- /* variable size command */
- extra = (*entry.varsize)(pc + __GLX_RENDER_HDR_SIZE,
- client->swapped);
- if (extra < 0) {
- extra = 0;
- }
- if (cmdlen != __GLX_PAD(entry.bytes + extra)) {
- return BadLength;
- }
- } else {
- /* constant size command */
- if (cmdlen != __GLX_PAD(entry.bytes)) {
- return BadLength;
- }
- }
- if (left < cmdlen) {
- return BadLength;
- }
-
- /*
- ** Skip over the header and execute the command. We allow the
- ** caller to trash the command memory. This is useful especially
- ** for things that require double alignment - they can just shift
- ** the data towards lower memory (trashing the header) by 4 bytes
- ** and achieve the required alignment.
- */
- (*proc)(pc + __GLX_RENDER_HDR_SIZE);
- pc += cmdlen;
- left -= cmdlen;
- commandsDone++;
- }
- __GLX_NOTE_UNFLUSHED_CMDS(glxc);
- return Success;
-}
-
-
-/*
-** Execute a large rendering request (one that spans multiple X requests).
-*/
-int __glXDisp_RenderLarge(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXRenderLargeReq *req;
- ClientPtr client= cl->client;
- size_t dataBytes;
- __GLXrenderLargeHeader *hdr;
- __GLXcontext *glxc;
- int error;
- CARD16 opcode;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- req = (xGLXRenderLargeReq *) pc;
- if (client->swapped) {
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
- __GLX_SWAP_INT(&req->dataBytes);
- __GLX_SWAP_SHORT(&req->requestNumber);
- __GLX_SWAP_SHORT(&req->requestTotal);
- }
-
- glxc = __glXForceCurrent(cl, req->contextTag, &error);
- if (!glxc) {
- /* Reset in case this isn't 1st request. */
- __glXResetLargeCommandStatus(cl);
- return error;
- }
- dataBytes = req->dataBytes;
-
- /*
- ** Check the request length.
- */
- if ((req->length << 2) != __GLX_PAD(dataBytes) + sz_xGLXRenderLargeReq) {
- client->errorValue = req->length;
- /* Reset in case this isn't 1st request. */
- __glXResetLargeCommandStatus(cl);
- return BadLength;
- }
- pc += sz_xGLXRenderLargeReq;
-
- if (cl->largeCmdRequestsSoFar == 0) {
- __GLXrenderSizeData entry;
- int extra;
- size_t cmdlen;
- int err;
-
- /*
- ** This is the first request of a multi request command.
- ** Make enough space in the buffer, then copy the entire request.
- */
- if (req->requestNumber != 1) {
- client->errorValue = req->requestNumber;
- return __glXError(GLXBadLargeRequest);
- }
-
- hdr = (__GLXrenderLargeHeader *) pc;
- if (client->swapped) {
- __GLX_SWAP_INT(&hdr->length);
- __GLX_SWAP_INT(&hdr->opcode);
- }
- cmdlen = hdr->length;
- opcode = hdr->opcode;
-
- /*
- ** Check for core opcodes and grab entry data.
- */
- err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry);
- if (err < 0) {
- client->errorValue = opcode;
- return __glXError(GLXBadLargeRequest);
- }
-
- if (entry.varsize) {
- /*
- ** If it's a variable-size command (a command whose length must
- ** be computed from its parameters), all the parameters needed
- ** will be in the 1st request, so it's okay to do this.
- */
- extra = (*entry.varsize)(pc + __GLX_RENDER_LARGE_HDR_SIZE,
- client->swapped);
- if (extra < 0) {
- extra = 0;
- }
- /* large command's header is 4 bytes longer, so add 4 */
- if (cmdlen != __GLX_PAD(entry.bytes + 4 + extra)) {
- return BadLength;
- }
- } else {
- /* constant size command */
- if (cmdlen != __GLX_PAD(entry.bytes + 4)) {
- return BadLength;
- }
- }
- /*
- ** Make enough space in the buffer, then copy the entire request.
- */
- if (cl->largeCmdBufSize < cmdlen) {
- if (!cl->largeCmdBuf) {
- cl->largeCmdBuf = (GLbyte *) xalloc(cmdlen);
- } else {
- cl->largeCmdBuf = (GLbyte *) xrealloc(cl->largeCmdBuf, cmdlen);
- }
- if (!cl->largeCmdBuf) {
- return BadAlloc;
- }
- cl->largeCmdBufSize = cmdlen;
- }
- memcpy(cl->largeCmdBuf, pc, dataBytes);
-
- cl->largeCmdBytesSoFar = dataBytes;
- cl->largeCmdBytesTotal = cmdlen;
- cl->largeCmdRequestsSoFar = 1;
- cl->largeCmdRequestsTotal = req->requestTotal;
- return Success;
-
- } else {
- /*
- ** We are receiving subsequent (i.e. not the first) requests of a
- ** multi request command.
- */
-
- /*
- ** Check the request number and the total request count.
- */
- if (req->requestNumber != cl->largeCmdRequestsSoFar + 1) {
- client->errorValue = req->requestNumber;
- __glXResetLargeCommandStatus(cl);
- return __glXError(GLXBadLargeRequest);
- }
- if (req->requestTotal != cl->largeCmdRequestsTotal) {
- client->errorValue = req->requestTotal;
- __glXResetLargeCommandStatus(cl);
- return __glXError(GLXBadLargeRequest);
- }
-
- /*
- ** Check that we didn't get too much data.
- */
- if ((cl->largeCmdBytesSoFar + dataBytes) > cl->largeCmdBytesTotal) {
- client->errorValue = dataBytes;
- __glXResetLargeCommandStatus(cl);
- return __glXError(GLXBadLargeRequest);
- }
- memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes);
- cl->largeCmdBytesSoFar += dataBytes;
- cl->largeCmdRequestsSoFar++;
-
- if (req->requestNumber == cl->largeCmdRequestsTotal) {
- __GLXdispatchRenderProcPtr proc;
-
- /*
- ** This is the last request; it must have enough bytes to complete
- ** the command.
- */
- /* NOTE: the two pad macros have been added below; they are needed
- ** because the client library pads the total byte count, but not
- ** the per-request byte counts. The Protocol Encoding says the
- ** total byte count should not be padded, so a proposal will be
- ** made to the ARB to relax the padding constraint on the total
- ** byte count, thus preserving backward compatibility. Meanwhile,
- ** the padding done below fixes a bug that did not allow
- ** large commands of odd sizes to be accepted by the server.
- */
- if (__GLX_PAD(cl->largeCmdBytesSoFar) !=
- __GLX_PAD(cl->largeCmdBytesTotal)) {
- client->errorValue = dataBytes;
- __glXResetLargeCommandStatus(cl);
- return __glXError(GLXBadLargeRequest);
- }
- hdr = (__GLXrenderLargeHeader *) cl->largeCmdBuf;
- /*
- ** The opcode and length field in the header had already been
- ** swapped when the first request was received.
- **
- ** Use the opcode to index into the procedure table.
- */
- opcode = hdr->opcode;
-
- proc = (__GLXdispatchRenderProcPtr)
- __glXGetProtocolDecodeFunction(& Render_dispatch_info, opcode,
- client->swapped);
- if (proc == NULL) {
- client->errorValue = opcode;
- return __glXError(GLXBadLargeRequest);
- }
-
- /*
- ** Skip over the header and execute the command.
- */
- (*proc)(cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE);
- __GLX_NOTE_UNFLUSHED_CMDS(glxc);
-
- /*
- ** Reset for the next RenderLarge series.
- */
- __glXResetLargeCommandStatus(cl);
- } else {
- /*
- ** This is neither the first nor the last request.
- */
- }
- return Success;
- }
-}
-
-extern RESTYPE __glXSwapBarrierRes;
-
-int __glXDisp_BindSwapBarrierSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *) pc;
- XID drawable = req->drawable;
- int barrier = req->barrier;
- DrawablePtr pDraw;
- int screen, rc;
- __GLXscreen *pGlxScreen;
-
- rc = dixLookupDrawable(&pDraw, drawable, client, 0, DixGetAttrAccess);
- pGlxScreen = glxGetScreen(pDraw->pScreen);
- if (rc == Success && (pDraw->type == DRAWABLE_WINDOW)) {
- screen = pDraw->pScreen->myNum;
- if (pGlxScreen->swapBarrierFuncs) {
- int ret = pGlxScreen->swapBarrierFuncs->bindSwapBarrierFunc(screen, drawable, barrier);
- if (ret == Success) {
- if (barrier)
- /* add source for cleanup when drawable is gone */
- AddResource(drawable, __glXSwapBarrierRes, (pointer)(intptr_t)screen);
- else
- /* delete source */
- FreeResourceByType(drawable, __glXSwapBarrierRes, FALSE);
- }
- return ret;
- }
- }
- client->errorValue = drawable;
- return __glXError(GLXBadDrawable);
-}
-
-
-int __glXDisp_QueryMaxSwapBarriersSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryMaxSwapBarriersSGIXReq *req =
- (xGLXQueryMaxSwapBarriersSGIXReq *) pc;
- xGLXQueryMaxSwapBarriersSGIXReply reply;
- int screen = req->screen;
- __GLXscreen *pGlxScreen;
-
- pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
- if (pGlxScreen->swapBarrierFuncs)
- reply.max = pGlxScreen->swapBarrierFuncs->queryMaxSwapBarriersFunc(screen);
- else
- reply.max = 0;
-
-
- reply.length = 0;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (client->swapped) {
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- }
-
- WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply,
- (char *) &reply);
- return Success;
-}
-
-#define GLX_BAD_HYPERPIPE_SGIX 92
-
-int __glXDisp_QueryHyperpipeNetworkSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryHyperpipeNetworkSGIXReq * req = (xGLXQueryHyperpipeNetworkSGIXReq *) pc;
- xGLXQueryHyperpipeNetworkSGIXReply reply;
- int screen = req->screen;
- void *rdata = NULL;
-
- int length=0;
- int npipes=0;
-
- int n= 0;
- __GLXscreen *pGlxScreen;
-
- pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
- if (pGlxScreen->hyperpipeFuncs) {
- rdata =
- (pGlxScreen->hyperpipeFuncs->queryHyperpipeNetworkFunc(screen, &npipes, &n));
- }
- length = __GLX_PAD(n) >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = length;
- reply.n = n;
- reply.npipes = npipes;
-
- if (client->swapped) {
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- __GLX_SWAP_INT(&reply.n);
- __GLX_SWAP_INT(&reply.npipes);
- }
- WriteToClient(client, sz_xGLXQueryHyperpipeNetworkSGIXReply,
- (char *) &reply);
-
- WriteToClient(client, length << 2, (char *)rdata);
-
- return Success;
-}
-
-int __glXDisp_DestroyHyperpipeConfigSGIX (__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXDestroyHyperpipeConfigSGIXReq * req =
- (xGLXDestroyHyperpipeConfigSGIXReq *) pc;
- xGLXDestroyHyperpipeConfigSGIXReply reply;
- int screen = req->screen;
- int success = GLX_BAD_HYPERPIPE_SGIX;
- int hpId ;
- __GLXscreen *pGlxScreen;
-
- hpId = req->hpId;
-
- pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
- if (pGlxScreen->hyperpipeFuncs) {
- success = pGlxScreen->hyperpipeFuncs->destroyHyperpipeConfigFunc(screen, hpId);
- }
-
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = __GLX_PAD(0) >> 2;
- reply.n = 0;
- reply.success = success;
-
-
- if (client->swapped) {
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- }
- WriteToClient(client,
- sz_xGLXDestroyHyperpipeConfigSGIXReply,
- (char *) &reply);
- return Success;
-}
-
-int __glXDisp_QueryHyperpipeConfigSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryHyperpipeConfigSGIXReq * req =
- (xGLXQueryHyperpipeConfigSGIXReq *) pc;
- xGLXQueryHyperpipeConfigSGIXReply reply;
- int screen = req->screen;
- void *rdata = NULL;
- int length;
- int npipes=0;
- int n= 0;
- int hpId;
- __GLXscreen *pGlxScreen;
-
- hpId = req->hpId;
-
- pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
- if (pGlxScreen->hyperpipeFuncs) {
- rdata = pGlxScreen->hyperpipeFuncs->queryHyperpipeConfigFunc(screen, hpId,&npipes, &n);
- }
-
- length = __GLX_PAD(n) >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = length;
- reply.n = n;
- reply.npipes = npipes;
-
-
- if (client->swapped) {
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- __GLX_SWAP_INT(&reply.n);
- __GLX_SWAP_INT(&reply.npipes);
- }
-
- WriteToClient(client, sz_xGLXQueryHyperpipeConfigSGIXReply,
- (char *) &reply);
-
- WriteToClient(client, length << 2, (char *)rdata);
-
- return Success;
-}
-
-int __glXDisp_HyperpipeConfigSGIX(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXHyperpipeConfigSGIXReq * req =
- (xGLXHyperpipeConfigSGIXReq *) pc;
- xGLXHyperpipeConfigSGIXReply reply;
- int screen = req->screen;
- void *rdata;
-
- int npipes=0, networkId;
- int hpId=-1;
- __GLXscreen *pGlxScreen;
-
- pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
- networkId = (int)req->networkId;
- npipes = (int)req->npipes;
- rdata = (void *)(req +1);
-
- if (pGlxScreen->hyperpipeFuncs) {
- pGlxScreen->hyperpipeFuncs->hyperpipeConfigFunc(screen,networkId,
- &hpId, &npipes,
- (void *) rdata);
- }
-
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = __GLX_PAD(0) >> 2;
- reply.n = 0;
- reply.npipes = npipes;
- reply.hpId = hpId;
-
- if (client->swapped) {
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.npipes);
- __GLX_SWAP_INT(&reply.hpId);
- }
-
- WriteToClient(client, sz_xGLXHyperpipeConfigSGIXReply,
- (char *) &reply);
-
- return Success;
-}
-
-
-/************************************************************************/
-
-/*
-** No support is provided for the vendor-private requests other than
-** allocating the entry points in the dispatch table.
-*/
-
-int __glXDisp_VendorPrivate(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
- GLint vendorcode = req->vendorCode;
- __GLXdispatchVendorPrivProcPtr proc;
-
-
- proc = (__GLXdispatchVendorPrivProcPtr)
- __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info,
- vendorcode, 0);
- if (proc != NULL) {
- (*proc)(cl, (GLbyte*)req);
- return Success;
- }
-
- cl->client->errorValue = req->vendorCode;
- return __glXError(GLXUnsupportedPrivateRequest);
-}
-
-int __glXDisp_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
- GLint vendorcode = req->vendorCode;
- __GLXdispatchVendorPrivProcPtr proc;
-
-
- proc = (__GLXdispatchVendorPrivProcPtr)
- __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info,
- vendorcode, 0);
- if (proc != NULL) {
- return (*proc)(cl, (GLbyte*)req);
- }
-
- cl->client->errorValue = vendorcode;
- return __glXError(GLXUnsupportedPrivateRequest);
-}
-
-int __glXDisp_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc;
- xGLXQueryExtensionsStringReply reply;
- __GLXscreen *pGlxScreen;
- size_t n, length;
- char *buf;
- int err;
-
- if (!validGlxScreen(client, req->screen, &pGlxScreen, &err))
- return err;
-
- n = strlen(pGlxScreen->GLXextensions) + 1;
- length = __GLX_PAD(n) >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = length;
- reply.n = n;
-
- /* Allocate buffer to make sure it's a multiple of 4 bytes big.*/
- buf = (char *) xalloc(length << 2);
- if (buf == NULL)
- return BadAlloc;
- memcpy(buf, pGlxScreen->GLXextensions, n);
-
- if (client->swapped) {
- glxSwapQueryExtensionsStringReply(client, &reply, buf);
- } else {
- WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply);
- WriteToClient(client, (int)(length << 2), (char *)buf);
- }
-
- xfree(buf);
- return Success;
-}
-
-int __glXDisp_QueryServerString(__GLXclientState *cl, GLbyte *pc)
-{
- ClientPtr client = cl->client;
- xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc;
- xGLXQueryServerStringReply reply;
- size_t n, length;
- const char *ptr;
- char *buf;
- __GLXscreen *pGlxScreen;
- int err;
- char ver_str[16];
-
- if (!validGlxScreen(client, req->screen, &pGlxScreen, &err))
- return err;
-
- switch(req->name) {
- case GLX_VENDOR:
- ptr = pGlxScreen->GLXvendor;
- break;
- case GLX_VERSION:
- /* Return to the server version rather than the screen version
- * to prevent confusion when they do not match.
- */
- snprintf(ver_str, 16, "%d.%d", glxMajorVersion, glxMinorVersion);
- ptr = ver_str;
- break;
- case GLX_EXTENSIONS:
- ptr = pGlxScreen->GLXextensions;
- break;
- default:
- return BadValue;
- }
-
- n = strlen(ptr) + 1;
- length = __GLX_PAD(n) >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = length;
- reply.n = n;
-
- buf = (char *) xalloc(length << 2);
- if (buf == NULL) {
- return BadAlloc;
- }
- memcpy(buf, ptr, n);
-
- if (client->swapped) {
- glxSwapQueryServerStringReply(client, &reply, buf);
- } else {
- WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply);
- WriteToClient(client, (int)(length << 2), buf);
- }
-
- xfree(buf);
- return Success;
-}
-
-int __glXDisp_ClientInfo(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc;
- const char *buf;
-
- cl->GLClientmajorVersion = req->major;
- cl->GLClientminorVersion = req->minor;
- if (cl->GLClientextensions)
- xfree(cl->GLClientextensions);
- buf = (const char *)(req+1);
- cl->GLClientextensions = xstrdup(buf);
-
- return Success;
-}
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
+#endif
+
+#include <string.h>
+#include <assert.h>
+
+#include "glxserver.h"
+#include <GL/glxtokens.h>
+#include <unpack.h>
+#include "g_disptab.h"
+#include <pixmapstr.h>
+#include <windowstr.h>
+#include "glxutil.h"
+#include "glxext.h"
+#include "glapitable.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "dispatch.h"
+#include "indirect_dispatch.h"
+#include "indirect_table.h"
+#include "indirect_util.h"
+
+static int
+validGlxScreen(ClientPtr client, int screen, __GLXscreen **pGlxScreen, int *err)
+{
+ /*
+ ** Check if screen exists.
+ */
+ if (screen >= screenInfo.numScreens) {
+ client->errorValue = screen;
+ *err = BadValue;
+ return FALSE;
+ }
+ *pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+
+ return TRUE;
+}
+
+static int
+validGlxFBConfig(ClientPtr client, __GLXscreen *pGlxScreen, XID id,
+ __GLXconfig **config, int *err)
+{
+ __GLXconfig *m;
+
+ for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next)
+ if (m->fbconfigID == id) {
+ *config = m;
+ return TRUE;
+ }
+
+ client->errorValue = id;
+ *err = __glXError(GLXBadFBConfig);
+
+ return FALSE;
+}
+
+static int
+validGlxVisual(ClientPtr client, __GLXscreen *pGlxScreen, XID id,
+ __GLXconfig **config, int *err)
+{
+ int i;
+
+ for (i = 0; i < pGlxScreen->numVisuals; i++)
+ if (pGlxScreen->visuals[i]->visualID == id) {
+ *config = pGlxScreen->visuals[i];
+ return TRUE;
+ }
+
+ client->errorValue = id;
+ *err = BadValue;
+
+ return FALSE;
+}
+
+static int
+validGlxFBConfigForWindow(ClientPtr client, __GLXconfig *config,
+ DrawablePtr pDraw, int *err)
+{
+ ScreenPtr pScreen = pDraw->pScreen;
+ VisualPtr pVisual = NULL;
+ XID vid;
+ int i;
+
+ vid = wVisual((WindowPtr)pDraw);
+ for (i = 0; i < pScreen->numVisuals; i++) {
+ if (pScreen->visuals[i].vid == vid) {
+ pVisual = &pScreen->visuals[i];
+ break;
+ }
+ }
+
+ /* FIXME: What exactly should we check here... */
+ if (pVisual->class != glxConvertToXVisualType(config->visualType) ||
+ !(config->drawableType & GLX_WINDOW_BIT)) {
+ client->errorValue = pDraw->id;
+ *err = BadMatch;
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static int
+validGlxContext(ClientPtr client, XID id, int access_mode,
+ __GLXcontext **context, int *err)
+{
+ *err = dixLookupResourceByType((pointer *) context, id,
+ __glXContextRes, client, access_mode);
+ if (*err != Success) {
+ client->errorValue = id;
+ if (*err == BadValue)
+ *err = __glXError(GLXBadContext);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static int
+validGlxDrawable(ClientPtr client, XID id, int type, int access_mode,
+ __GLXdrawable **drawable, int *err)
+{
+ int rc;
+
+ rc = dixLookupResourceByType((pointer *) drawable, id,
+ __glXDrawableRes, client, access_mode);
+ if (rc != Success && rc != BadValue) {
+ *err = rc;
+ client->errorValue = id;
+ return FALSE;
+ }
+
+ if (rc == BadValue ||
+ (type != GLX_DRAWABLE_ANY && type != (*drawable)->type)) {
+ client->errorValue = id;
+ switch (type) {
+ case GLX_DRAWABLE_WINDOW:
+ *err = __glXError(GLXBadWindow);
+ return FALSE;
+ case GLX_DRAWABLE_PIXMAP:
+ *err = __glXError(GLXBadPixmap);
+ return FALSE;
+ case GLX_DRAWABLE_PBUFFER:
+ *err = __glXError(GLXBadPbuffer);
+ return FALSE;
+ case GLX_DRAWABLE_ANY:
+ *err = __glXError(GLXBadDrawable);
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+void
+__glXContextDestroy(__GLXcontext *context)
+{
+ __glXFlushContextCache();
+}
+
+static void __glXdirectContextDestroy(__GLXcontext *context)
+{
+ __glXContextDestroy(context);
+ xfree(context);
+}
+
+static __GLXcontext *__glXdirectContextCreate(__GLXscreen *screen,
+ __GLXconfig *modes,
+ __GLXcontext *shareContext)
+{
+ __GLXcontext *context;
+
+ context = xcalloc (1, sizeof (__GLXcontext));
+ if (context == NULL)
+ return NULL;
+
+ context->destroy = __glXdirectContextDestroy;
+
+ return context;
+}
+
+/**
+ * Create a GL context with the given properties. This routine is used
+ * to implement \c glXCreateContext, \c glXCreateNewContext, and
+ * \c glXCreateContextWithConfigSGIX. This works becuase of the hack way
+ * that GLXFBConfigs are implemented. Basically, the FBConfigID is the
+ * same as the VisualID.
+ */
+
+static int
+DoCreateContext(__GLXclientState *cl, GLXContextID gcId,
+ GLXContextID shareList, __GLXconfig *config,
+ __GLXscreen *pGlxScreen, GLboolean isDirect)
+{
+ ClientPtr client = cl->client;
+ __GLXcontext *glxc, *shareglxc;
+ int err;
+
+ LEGAL_NEW_RESOURCE(gcId, client);
+
+ /*
+ ** Find the display list space that we want to share.
+ **
+ ** NOTE: In a multithreaded X server, we would need to keep a reference
+ ** count for each display list so that if one client detroyed a list that
+ ** another client was using, the list would not really be freed until it
+ ** was no longer in use. Since this sample implementation has no support
+ ** for multithreaded servers, we don't do this.
+ */
+ if (shareList == None) {
+ shareglxc = 0;
+ } else {
+ if (!validGlxContext(client, shareList, DixReadAccess,
+ &shareglxc, &err))
+ return err;
+
+ if (shareglxc->isDirect) {
+ /*
+ ** NOTE: no support for sharing display lists between direct
+ ** contexts, even if they are in the same address space.
+ */
+#if 0
+ /* Disabling this code seems to allow shared display lists
+ * and texture objects to work. We'll leave it disabled for now.
+ */
+ client->errorValue = shareList;
+ return BadMatch;
+#endif
+ } else {
+ /*
+ ** Create an indirect context regardless of what the client asked
+ ** for; this way we can share display list space with shareList.
+ */
+ isDirect = GL_FALSE;
+ }
+ }
+
+ /*
+ ** Allocate memory for the new context
+ */
+ if (!isDirect)
+ glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc);
+ else
+ glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc);
+ if (!glxc) {
+ return BadAlloc;
+ }
+
+ /*
+ ** Initially, setup the part of the context that could be used by
+ ** a GL core that needs windowing information (e.g., Mesa).
+ */
+ glxc->pGlxScreen = pGlxScreen;
+ glxc->config = config;
+
+ /*
+ ** Register this context as a resource.
+ */
+ if (!AddResource(gcId, __glXContextRes, (pointer)glxc)) {
+ (*glxc->destroy)(glxc);
+ client->errorValue = gcId;
+ return BadAlloc;
+ }
+
+ /*
+ ** Finally, now that everything is working, setup the rest of the
+ ** context.
+ */
+ glxc->id = gcId;
+ glxc->share_id = shareList;
+ glxc->idExists = GL_TRUE;
+ glxc->isCurrent = GL_FALSE;
+ glxc->isDirect = isDirect;
+ glxc->renderMode = GL_RENDER;
+
+ __glXAddToContextList(glxc);
+
+ return Success;
+}
+
+int __glXDisp_CreateContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err))
+ return err;
+
+ return DoCreateContext(cl, req->context, req->shareList,
+ config, pGlxScreen, req->isDirect);
+}
+
+int __glXDisp_CreateNewContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
+ return err;
+
+ return DoCreateContext(cl, req->context, req->shareList,
+ config, pGlxScreen, req->isDirect);
+}
+
+int __glXDisp_CreateContextWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateContextWithConfigSGIXReq *req =
+ (xGLXCreateContextWithConfigSGIXReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
+ return err;
+
+ return DoCreateContext(cl, req->context, req->shareList,
+ config, pGlxScreen, req->isDirect);
+}
+int __glXDisp_DestroyContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc;
+ __GLXcontext *glxc;
+ int err;
+
+ if (!validGlxContext(cl->client, req->context, DixDestroyAccess,
+ &glxc, &err))
+ return err;
+
+ FreeResourceByType(req->context, __glXContextRes, FALSE);
+ return Success;
+}
+
+/*****************************************************************************/
+
+/*
+** For each client, the server keeps a table of all the contexts that are
+** current for that client (each thread of a client may have its own current
+** context). These routines add, change, and lookup contexts in the table.
+*/
+
+/*
+** Add a current context, and return the tag that will be used to refer to it.
+*/
+static int AddCurrentContext(__GLXclientState *cl, __GLXcontext *glxc)
+{
+ int i;
+ int num = cl->numCurrentContexts;
+ __GLXcontext **table = cl->currentContexts;
+
+ if (!glxc) return -1;
+
+ /*
+ ** Try to find an empty slot and use it.
+ */
+ for (i=0; i < num; i++) {
+ if (!table[i]) {
+ table[i] = glxc;
+ return i+1;
+ }
+ }
+ /*
+ ** Didn't find a free slot, so we'll have to grow the table.
+ */
+ if (!num) {
+ table = (__GLXcontext **) xalloc(sizeof(__GLXcontext *));
+ } else {
+ table = (__GLXcontext **) xrealloc(table,
+ (num+1)*sizeof(__GLXcontext *));
+ }
+ table[num] = glxc;
+ cl->currentContexts = table;
+ cl->numCurrentContexts++;
+ return num+1;
+}
+
+/*
+** Given a tag, change the current context for the corresponding entry.
+*/
+static void ChangeCurrentContext(__GLXclientState *cl, __GLXcontext *glxc,
+ GLXContextTag tag)
+{
+ __GLXcontext **table = cl->currentContexts;
+ table[tag-1] = glxc;
+}
+
+/*
+** For this implementation we have chosen to simply use the index of the
+** context's entry in the table as the context tag. A tag must be greater
+** than 0.
+*/
+__GLXcontext *__glXLookupContextByTag(__GLXclientState *cl, GLXContextTag tag)
+{
+ int num = cl->numCurrentContexts;
+
+ if (tag < 1 || tag > num) {
+ return 0;
+ } else {
+ return cl->currentContexts[tag-1];
+ }
+}
+
+/*****************************************************************************/
+
+static void StopUsingContext(__GLXcontext *glxc)
+{
+ if (glxc) {
+ if (glxc == __glXLastContext) {
+ /* Tell server GL library */
+ __glXLastContext = 0;
+ }
+ glxc->isCurrent = GL_FALSE;
+ if (!glxc->idExists) {
+ __glXFreeContext(glxc);
+ }
+ }
+}
+
+static void StartUsingContext(__GLXclientState *cl, __GLXcontext *glxc)
+{
+ glxc->isCurrent = GL_TRUE;
+ __glXLastContext = glxc;
+}
+
+/**
+ * This is a helper function to handle the legacy (pre GLX 1.3) cases
+ * where passing an X window to glXMakeCurrent is valid. Given a
+ * resource ID, look up the GLX drawable if available, otherwise, make
+ * sure it's an X window and create a GLX drawable one the fly.
+ */
+static __GLXdrawable *
+__glXGetDrawable(__GLXcontext *glxc, GLXDrawable drawId, ClientPtr client,
+ int *error)
+{
+ DrawablePtr pDraw;
+ __GLXdrawable *pGlxDraw;
+ int rc;
+
+ if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY,
+ DixWriteAccess, &pGlxDraw, &rc)) {
+ if (glxc != NULL && pGlxDraw->config != glxc->config) {
+ client->errorValue = drawId;
+ *error = BadMatch;
+ return NULL;
+ }
+
+ return pGlxDraw;
+ }
+
+ /* The drawId wasn't a GLX drawable. Make sure it's a window and
+ * create a GLXWindow for it. Check that the drawable screen
+ * matches the context screen and that the context fbconfig is
+ * compatible with the window visual. */
+
+ rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess);
+ if (rc != Success || pDraw->type != DRAWABLE_WINDOW) {
+ client->errorValue = drawId;
+ *error = __glXError(GLXBadDrawable);
+ return NULL;
+ }
+
+ if (pDraw->pScreen != glxc->pGlxScreen->pScreen) {
+ client->errorValue = pDraw->pScreen->myNum;
+ *error = BadMatch;
+ return NULL;
+ }
+
+ if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error))
+ return NULL;
+
+ pGlxDraw = glxc->pGlxScreen->createDrawable(glxc->pGlxScreen,
+ pDraw, GLX_DRAWABLE_WINDOW,
+ drawId, glxc->config);
+
+ /* since we are creating the drawablePrivate, drawId should be new */
+ if (!AddResource(drawId, __glXDrawableRes, pGlxDraw)) {
+ pGlxDraw->destroy (pGlxDraw);
+ *error = BadAlloc;
+ return NULL;
+ }
+
+ return pGlxDraw;
+}
+
+/*****************************************************************************/
+/*
+** Make an OpenGL context and drawable current.
+*/
+
+static int
+DoMakeCurrent(__GLXclientState *cl,
+ GLXDrawable drawId, GLXDrawable readId,
+ GLXContextID contextId, GLXContextTag tag)
+{
+ ClientPtr client = cl->client;
+ xGLXMakeCurrentReply reply;
+ __GLXcontext *glxc, *prevglxc;
+ __GLXdrawable *drawPriv = NULL;
+ __GLXdrawable *readPriv = NULL;
+ int error;
+ GLuint mask;
+
+ /*
+ ** If one is None and the other isn't, it's a bad match.
+ */
+
+ mask = (drawId == None) ? (1 << 0) : 0;
+ mask |= (readId == None) ? (1 << 1) : 0;
+ mask |= (contextId == None) ? (1 << 2) : 0;
+
+ if ( (mask != 0x00) && (mask != 0x07) ) {
+ return BadMatch;
+ }
+
+ /*
+ ** Lookup old context. If we have one, it must be in a usable state.
+ */
+ if (tag != 0) {
+ prevglxc = __glXLookupContextByTag(cl, tag);
+ if (!prevglxc) {
+ /*
+ ** Tag for previous context is invalid.
+ */
+ return __glXError(GLXBadContextTag);
+ }
+ if (prevglxc->renderMode != GL_RENDER) {
+ /* Oops. Not in render mode render. */
+ client->errorValue = prevglxc->id;
+ return __glXError(GLXBadContextState);
+ }
+ } else {
+ prevglxc = 0;
+ }
+
+ /*
+ ** Lookup new context. It must not be current for someone else.
+ */
+ if (contextId != None) {
+ int status;
+
+ if (!validGlxContext(client, contextId, DixUseAccess, &glxc, &error))
+ return error;
+ if ((glxc != prevglxc) && glxc->isCurrent) {
+ /* Context is current to somebody else */
+ return BadAccess;
+ }
+
+ assert( drawId != None );
+ assert( readId != None );
+
+ drawPriv = __glXGetDrawable(glxc, drawId, client, &status);
+ if (drawPriv == NULL)
+ return status;
+
+ readPriv = __glXGetDrawable(glxc, readId, client, &status);
+ if (readPriv == NULL)
+ return status;
+
+ } else {
+ /* Switching to no context. Ignore new drawable. */
+ glxc = 0;
+ drawPriv = 0;
+ readPriv = 0;
+ }
+
+
+ if (prevglxc) {
+ /*
+ ** Flush the previous context if needed.
+ */
+ if (__GLX_HAS_UNFLUSHED_CMDS(prevglxc)) {
+ if (__glXForceCurrent(cl, tag, (int *)&error)) {
+ CALL_Flush( GET_DISPATCH(), () );
+ __GLX_NOTE_FLUSHED_CMDS(prevglxc);
+ } else {
+ return error;
+ }
+ }
+
+ /*
+ ** Make the previous context not current.
+ */
+ if (!(*prevglxc->loseCurrent)(prevglxc)) {
+ return __glXError(GLXBadContext);
+ }
+ __glXFlushContextCache();
+ if (!prevglxc->isDirect) {
+ prevglxc->drawPriv = NULL;
+ prevglxc->readPriv = NULL;
+ }
+ }
+
+
+ if ((glxc != 0) && !glxc->isDirect) {
+
+ glxc->drawPriv = drawPriv;
+ glxc->readPriv = readPriv;
+
+ /* make the context current */
+ if (!(*glxc->makeCurrent)(glxc)) {
+ glxc->drawPriv = NULL;
+ glxc->readPriv = NULL;
+ return __glXError(GLXBadContext);
+ }
+
+ glxc->isCurrent = GL_TRUE;
+ }
+
+ if (prevglxc) {
+ ChangeCurrentContext(cl, glxc, tag);
+ StopUsingContext(prevglxc);
+ } else {
+ tag = AddCurrentContext(cl, glxc);
+ }
+
+ if (glxc) {
+ StartUsingContext(cl, glxc);
+ reply.contextTag = tag;
+ } else {
+ reply.contextTag = 0;
+ }
+
+ reply.length = 0;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __glXSwapMakeCurrentReply(client, &reply);
+ } else {
+ WriteToClient(client, sz_xGLXMakeCurrentReply, (char *)&reply);
+ }
+ return Success;
+}
+
+int __glXDisp_MakeCurrent(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc;
+
+ return DoMakeCurrent( cl, req->drawable, req->drawable,
+ req->context, req->oldContextTag );
+}
+
+int __glXDisp_MakeContextCurrent(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc;
+
+ return DoMakeCurrent( cl, req->drawable, req->readdrawable,
+ req->context, req->oldContextTag );
+}
+
+int __glXDisp_MakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc;
+
+ return DoMakeCurrent( cl, req->drawable, req->readable,
+ req->context, req->oldContextTag );
+}
+
+int __glXDisp_IsDirect(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc;
+ xGLXIsDirectReply reply;
+ __GLXcontext *glxc;
+ int err;
+
+ if (!validGlxContext(cl->client, req->context, DixReadAccess, &glxc, &err))
+ return err;
+
+ reply.isDirect = glxc->isDirect;
+ reply.length = 0;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __glXSwapIsDirectReply(client, &reply);
+ } else {
+ WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply);
+ }
+
+ return Success;
+}
+
+int __glXDisp_QueryVersion(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc;
+ xGLXQueryVersionReply reply;
+ GLuint major, minor;
+
+ major = req->majorVersion;
+ minor = req->minorVersion;
+ (void)major;
+ (void)minor;
+
+ /*
+ ** Server should take into consideration the version numbers sent by the
+ ** client if it wants to work with older clients; however, in this
+ ** implementation the server just returns its version number.
+ */
+ reply.majorVersion = glxMajorVersion;
+ reply.minorVersion = glxMinorVersion;
+ reply.length = 0;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __glXSwapQueryVersionReply(client, &reply);
+ } else {
+ WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply);
+ }
+ return Success;
+}
+
+int __glXDisp_WaitGL(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXWaitGLReq *req = (xGLXWaitGLReq *)pc;
+ GLXContextTag tag = req->contextTag;
+ __GLXcontext *glxc = NULL;
+ int error;
+
+ if (tag) {
+ glxc = __glXLookupContextByTag(cl, tag);
+ if (!glxc)
+ return __glXError(GLXBadContextTag);
+
+ if (!__glXForceCurrent(cl, req->contextTag, &error))
+ return error;
+
+ CALL_Finish( GET_DISPATCH(), () );
+ }
+
+ if (glxc && glxc->drawPriv->waitGL)
+ (*glxc->drawPriv->waitGL)(glxc->drawPriv);
+
+ return Success;
+}
+
+int __glXDisp_WaitX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXWaitXReq *req = (xGLXWaitXReq *)pc;
+ GLXContextTag tag = req->contextTag;
+ __GLXcontext *glxc = NULL;
+ int error;
+
+ if (tag) {
+ glxc = __glXLookupContextByTag(cl, tag);
+ if (!glxc)
+ return __glXError(GLXBadContextTag);
+
+ if (!__glXForceCurrent(cl, req->contextTag, &error))
+ return error;
+ }
+
+ if (glxc && glxc->drawPriv->waitX)
+ (*glxc->drawPriv->waitX)(glxc->drawPriv);
+
+ return Success;
+}
+
+int __glXDisp_CopyContext(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc;
+ GLXContextID source = req->source;
+ GLXContextID dest = req->dest;
+ GLXContextTag tag = req->contextTag;
+ unsigned long mask = req->mask;
+ __GLXcontext *src, *dst;
+ int error;
+
+ if (!validGlxContext(cl->client, source, DixReadAccess, &src, &error))
+ return error;
+ if (!validGlxContext(cl->client, dest, DixWriteAccess, &dst, &error))
+ return error;
+
+ /*
+ ** They must be in the same address space, and same screen.
+ ** NOTE: no support for direct rendering contexts here.
+ */
+ if (src->isDirect || dst->isDirect ||
+ (src->pGlxScreen != dst->pGlxScreen)) {
+ client->errorValue = source;
+ return BadMatch;
+ }
+
+ /*
+ ** The destination context must not be current for any client.
+ */
+ if (dst->isCurrent) {
+ client->errorValue = dest;
+ return BadAccess;
+ }
+
+ if (tag) {
+ __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag);
+
+ if (!tagcx) {
+ return __glXError(GLXBadContextTag);
+ }
+ if (tagcx != src) {
+ /*
+ ** This would be caused by a faulty implementation of the client
+ ** library.
+ */
+ return BadMatch;
+ }
+ /*
+ ** In this case, glXCopyContext is in both GL and X streams, in terms
+ ** of sequentiality.
+ */
+ if (__glXForceCurrent(cl, tag, &error)) {
+ /*
+ ** Do whatever is needed to make sure that all preceding requests
+ ** in both streams are completed before the copy is executed.
+ */
+ CALL_Finish( GET_DISPATCH(), () );
+ __GLX_NOTE_FLUSHED_CMDS(tagcx);
+ } else {
+ return error;
+ }
+ }
+ /*
+ ** Issue copy. The only reason for failure is a bad mask.
+ */
+ if (!(*dst->copy)(dst, src, mask)) {
+ client->errorValue = mask;
+ return BadValue;
+ }
+ return Success;
+}
+
+enum {
+ GLX_VIS_CONFIG_UNPAIRED = 18,
+ GLX_VIS_CONFIG_PAIRED = 20
+};
+
+enum {
+ GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED
+};
+
+int __glXDisp_GetVisualConfigs(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc;
+ ClientPtr client = cl->client;
+ xGLXGetVisualConfigsReply reply;
+ __GLXscreen *pGlxScreen;
+ __GLXconfig *modes;
+ CARD32 buf[GLX_VIS_CONFIG_TOTAL];
+ int p, i, err;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+
+ reply.numVisuals = pGlxScreen->numVisuals;
+ reply.numProps = GLX_VIS_CONFIG_TOTAL;
+ reply.length = (reply.numVisuals * __GLX_SIZE_CARD32 * GLX_VIS_CONFIG_TOTAL) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ __GLX_SWAP_INT(&reply.numVisuals);
+ __GLX_SWAP_INT(&reply.numProps);
+ }
+
+ WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *)&reply);
+
+ for (i = 0; i < pGlxScreen->numVisuals; i++) {
+ modes = pGlxScreen->visuals[i];
+
+ p = 0;
+ buf[p++] = modes->visualID;
+ buf[p++] = glxConvertToXVisualType( modes->visualType );
+ buf[p++] = (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE;
+
+ buf[p++] = modes->redBits;
+ buf[p++] = modes->greenBits;
+ buf[p++] = modes->blueBits;
+ buf[p++] = modes->alphaBits;
+ buf[p++] = modes->accumRedBits;
+ buf[p++] = modes->accumGreenBits;
+ buf[p++] = modes->accumBlueBits;
+ buf[p++] = modes->accumAlphaBits;
+
+ buf[p++] = modes->doubleBufferMode;
+ buf[p++] = modes->stereoMode;
+
+ buf[p++] = modes->rgbBits;
+ buf[p++] = modes->depthBits;
+ buf[p++] = modes->stencilBits;
+ buf[p++] = modes->numAuxBuffers;
+ buf[p++] = modes->level;
+
+ assert(p == GLX_VIS_CONFIG_UNPAIRED);
+ /*
+ ** Add token/value pairs for extensions.
+ */
+ buf[p++] = GLX_VISUAL_CAVEAT_EXT;
+ buf[p++] = modes->visualRating;
+ buf[p++] = GLX_TRANSPARENT_TYPE;
+ buf[p++] = modes->transparentPixel;
+ buf[p++] = GLX_TRANSPARENT_RED_VALUE;
+ buf[p++] = modes->transparentRed;
+ buf[p++] = GLX_TRANSPARENT_GREEN_VALUE;
+ buf[p++] = modes->transparentGreen;
+ buf[p++] = GLX_TRANSPARENT_BLUE_VALUE;
+ buf[p++] = modes->transparentBlue;
+ buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE;
+ buf[p++] = modes->transparentAlpha;
+ buf[p++] = GLX_TRANSPARENT_INDEX_VALUE;
+ buf[p++] = modes->transparentIndex;
+ buf[p++] = GLX_SAMPLES_SGIS;
+ buf[p++] = modes->samples;
+ buf[p++] = GLX_SAMPLE_BUFFERS_SGIS;
+ buf[p++] = modes->sampleBuffers;
+ buf[p++] = 0; /* copy over visualSelectGroup (GLX_VISUAL_SELECT_GROUP_SGIX)? */
+ buf[p++] = 0;
+
+ assert(p == GLX_VIS_CONFIG_TOTAL);
+ if (client->swapped) {
+ __GLX_SWAP_INT_ARRAY(buf, p);
+ }
+ WriteToClient(client, __GLX_SIZE_CARD32 * p, (char *)buf);
+ }
+ return Success;
+}
+
+#define __GLX_TOTAL_FBCONFIG_ATTRIBS (36)
+#define __GLX_FBCONFIG_ATTRIBS_LENGTH (__GLX_TOTAL_FBCONFIG_ATTRIBS * 2)
+/**
+ * Send the set of GLXFBConfigs to the client. There is not currently
+ * and interface into the driver on the server-side to get GLXFBConfigs,
+ * so we "invent" some based on the \c __GLXvisualConfig structures that
+ * the driver does supply.
+ *
+ * The reply format for both \c glXGetFBConfigs and \c glXGetFBConfigsSGIX
+ * is the same, so this routine pulls double duty.
+ */
+
+static int
+DoGetFBConfigs(__GLXclientState *cl, unsigned screen)
+{
+ ClientPtr client = cl->client;
+ xGLXGetFBConfigsReply reply;
+ __GLXscreen *pGlxScreen;
+ CARD32 buf[__GLX_FBCONFIG_ATTRIBS_LENGTH];
+ int p, err;
+ __GLXconfig *modes;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ if (!validGlxScreen(cl->client, screen, &pGlxScreen, &err))
+ return err;
+
+ reply.numFBConfigs = pGlxScreen->numFBConfigs;
+ reply.numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS;
+ reply.length = (__GLX_FBCONFIG_ATTRIBS_LENGTH * reply.numFBConfigs);
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ __GLX_SWAP_INT(&reply.numFBConfigs);
+ __GLX_SWAP_INT(&reply.numAttribs);
+ }
+
+ WriteToClient(client, sz_xGLXGetFBConfigsReply, (char *)&reply);
+
+ for (modes = pGlxScreen->fbconfigs; modes != NULL; modes = modes->next) {
+ p = 0;
+
+#define WRITE_PAIR(tag,value) \
+ do { buf[p++] = tag ; buf[p++] = value ; } while( 0 )
+
+ WRITE_PAIR( GLX_VISUAL_ID, modes->visualID );
+ WRITE_PAIR( GLX_FBCONFIG_ID, modes->fbconfigID );
+ WRITE_PAIR( GLX_X_RENDERABLE, GL_TRUE );
+
+ WRITE_PAIR( GLX_RGBA,
+ (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE );
+ WRITE_PAIR( GLX_RENDER_TYPE, modes->renderType );
+ WRITE_PAIR( GLX_DOUBLEBUFFER, modes->doubleBufferMode );
+ WRITE_PAIR( GLX_STEREO, modes->stereoMode );
+
+ WRITE_PAIR( GLX_BUFFER_SIZE, modes->rgbBits );
+ WRITE_PAIR( GLX_LEVEL, modes->level );
+ WRITE_PAIR( GLX_AUX_BUFFERS, modes->numAuxBuffers );
+ WRITE_PAIR( GLX_RED_SIZE, modes->redBits );
+ WRITE_PAIR( GLX_GREEN_SIZE, modes->greenBits );
+ WRITE_PAIR( GLX_BLUE_SIZE, modes->blueBits );
+ WRITE_PAIR( GLX_ALPHA_SIZE, modes->alphaBits );
+ WRITE_PAIR( GLX_ACCUM_RED_SIZE, modes->accumRedBits );
+ WRITE_PAIR( GLX_ACCUM_GREEN_SIZE, modes->accumGreenBits );
+ WRITE_PAIR( GLX_ACCUM_BLUE_SIZE, modes->accumBlueBits );
+ WRITE_PAIR( GLX_ACCUM_ALPHA_SIZE, modes->accumAlphaBits );
+ WRITE_PAIR( GLX_DEPTH_SIZE, modes->depthBits );
+ WRITE_PAIR( GLX_STENCIL_SIZE, modes->stencilBits );
+ WRITE_PAIR( GLX_X_VISUAL_TYPE, modes->visualType );
+ WRITE_PAIR( GLX_CONFIG_CAVEAT, modes->visualRating );
+ WRITE_PAIR( GLX_TRANSPARENT_TYPE, modes->transparentPixel );
+ WRITE_PAIR( GLX_TRANSPARENT_RED_VALUE, modes->transparentRed );
+ WRITE_PAIR( GLX_TRANSPARENT_GREEN_VALUE, modes->transparentGreen );
+ WRITE_PAIR( GLX_TRANSPARENT_BLUE_VALUE, modes->transparentBlue );
+ WRITE_PAIR( GLX_TRANSPARENT_ALPHA_VALUE, modes->transparentAlpha );
+ WRITE_PAIR( GLX_TRANSPARENT_INDEX_VALUE, modes->transparentIndex );
+ WRITE_PAIR( GLX_SWAP_METHOD_OML, modes->swapMethod );
+ WRITE_PAIR( GLX_SAMPLES_SGIS, modes->samples );
+ WRITE_PAIR( GLX_SAMPLE_BUFFERS_SGIS, modes->sampleBuffers );
+ /* GLX_VISUAL_SELECT_GROUP_SGIX ? */
+ WRITE_PAIR( GLX_DRAWABLE_TYPE, modes->drawableType );
+ WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGB_EXT, modes->bindToTextureRgb );
+ WRITE_PAIR( GLX_BIND_TO_TEXTURE_RGBA_EXT, modes->bindToTextureRgba );
+ WRITE_PAIR( GLX_BIND_TO_MIPMAP_TEXTURE_EXT, modes->bindToMipmapTexture );
+ WRITE_PAIR( GLX_BIND_TO_TEXTURE_TARGETS_EXT, modes->bindToTextureTargets );
+
+ if (client->swapped) {
+ __GLX_SWAP_INT_ARRAY(buf, __GLX_FBCONFIG_ATTRIBS_LENGTH);
+ }
+ WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_FBCONFIG_ATTRIBS_LENGTH,
+ (char *)buf);
+ }
+ return Success;
+}
+
+
+int __glXDisp_GetFBConfigs(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc;
+ return DoGetFBConfigs(cl, req->screen);
+}
+
+int __glXDisp_GetFBConfigsSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc;
+ return DoGetFBConfigs(cl, req->screen);
+}
+
+GLboolean
+__glXDrawableInit(__GLXdrawable *drawable,
+ __GLXscreen *screen, DrawablePtr pDraw, int type,
+ XID drawId, __GLXconfig *config)
+{
+ drawable->pDraw = pDraw;
+ drawable->type = type;
+ drawable->drawId = drawId;
+ drawable->config = config;
+ drawable->eventMask = 0;
+
+ return GL_TRUE;
+}
+
+void
+__glXDrawableRelease(__GLXdrawable *drawable)
+{
+ ScreenPtr pScreen = drawable->pDraw->pScreen;
+
+ switch (drawable->type) {
+ case GLX_DRAWABLE_PIXMAP:
+ case GLX_DRAWABLE_PBUFFER:
+ (*pScreen->DestroyPixmap)((PixmapPtr) drawable->pDraw);
+ break;
+ }
+}
+
+static int
+DoCreateGLXDrawable(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config,
+ DrawablePtr pDraw, XID glxDrawableId, int type)
+{
+ __GLXdrawable *pGlxDraw;
+
+ LEGAL_NEW_RESOURCE(glxDrawableId, client);
+
+ if (pGlxScreen->pScreen != pDraw->pScreen)
+ return BadMatch;
+
+ pGlxDraw = pGlxScreen->createDrawable(pGlxScreen, pDraw, type,
+ glxDrawableId, config);
+ if (pGlxDraw == NULL)
+ return BadAlloc;
+
+ if (!AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) {
+ pGlxDraw->destroy (pGlxDraw);
+ return BadAlloc;
+ }
+
+ return Success;
+}
+
+static int
+DoCreateGLXPixmap(ClientPtr client, __GLXscreen *pGlxScreen, __GLXconfig *config,
+ XID drawableId, XID glxDrawableId)
+{
+ DrawablePtr pDraw;
+ int err;
+
+ err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess);
+ if (err != Success) {
+ client->errorValue = drawableId;
+ return err;
+ }
+ if (pDraw->type != DRAWABLE_PIXMAP) {
+ client->errorValue = drawableId;
+ return BadPixmap;
+ }
+
+ err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw,
+ glxDrawableId, GLX_DRAWABLE_PIXMAP);
+
+ if (err == Success)
+ ((PixmapPtr) pDraw)->refcnt++;
+
+ return err;
+}
+
+static void
+determineTextureTarget(ClientPtr client, XID glxDrawableID,
+ CARD32 *attribs, CARD32 numAttribs)
+{
+ GLenum target = 0;
+ GLenum format = 0;
+ int i, err;
+ __GLXdrawable *pGlxDraw;
+
+ if (!validGlxDrawable(client, glxDrawableID, GLX_DRAWABLE_PIXMAP,
+ DixWriteAccess, &pGlxDraw, &err))
+ /* We just added it in CreatePixmap, so we should never get here. */
+ return;
+
+ for (i = 0; i < numAttribs; i++) {
+ if (attribs[2 * i] == GLX_TEXTURE_TARGET_EXT) {
+ switch (attribs[2 * i + 1]) {
+ case GLX_TEXTURE_2D_EXT:
+ target = GL_TEXTURE_2D;
+ break;
+ case GLX_TEXTURE_RECTANGLE_EXT:
+ target = GL_TEXTURE_RECTANGLE_ARB;
+ break;
+ }
+ }
+
+ if (attribs[2 * i] == GLX_TEXTURE_FORMAT_EXT)
+ format = attribs[2 * i + 1];
+ }
+
+ if (!target) {
+ int w = pGlxDraw->pDraw->width, h = pGlxDraw->pDraw->height;
+
+ if (h & (h - 1) || w & (w - 1))
+ target = GL_TEXTURE_RECTANGLE_ARB;
+ else
+ target = GL_TEXTURE_2D;
+ }
+
+ pGlxDraw->target = target;
+ pGlxDraw->format = format;
+}
+
+int __glXDisp_CreateGLXPixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err))
+ return err;
+
+ return DoCreateGLXPixmap(cl->client, pGlxScreen, config,
+ req->pixmap, req->glxpixmap);
+}
+
+int __glXDisp_CreatePixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
+ return err;
+
+ err = DoCreateGLXPixmap(cl->client, pGlxScreen, config,
+ req->pixmap, req->glxpixmap);
+ if (err != Success)
+ return err;
+
+ determineTextureTarget(cl->client, req->glxpixmap,
+ (CARD32*) (req + 1), req->numAttribs);
+
+ return Success;
+}
+
+int __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateGLXPixmapWithConfigSGIXReq *req =
+ (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ int err;
+
+ if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err))
+ return err;
+
+ return DoCreateGLXPixmap(cl->client, pGlxScreen,
+ config, req->pixmap, req->glxpixmap);
+}
+
+
+static int DoDestroyDrawable(__GLXclientState *cl, XID glxdrawable, int type)
+{
+ __GLXdrawable *pGlxDraw;
+ int err;
+
+ if (!validGlxDrawable(cl->client, glxdrawable, type,
+ DixDestroyAccess, &pGlxDraw, &err))
+ return err;
+
+ FreeResource(glxdrawable, FALSE);
+
+ return Success;
+}
+
+int __glXDisp_DestroyGLXPixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc;
+
+ return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP);
+}
+
+int __glXDisp_DestroyPixmap(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc;
+
+ return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP);
+}
+
+static int
+DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId,
+ int width, int height, XID glxDrawableId)
+{
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ PixmapPtr pPixmap;
+ int err;
+
+ if (!validGlxScreen(client, screenNum, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err))
+ return err;
+
+ __glXenterServer(GL_FALSE);
+ pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen,
+ width, height, config->rgbBits, 0);
+ __glXleaveServer(GL_FALSE);
+
+ return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable,
+ glxDrawableId, GLX_DRAWABLE_PBUFFER);
+}
+
+int __glXDisp_CreatePbuffer(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc;
+ CARD32 *attrs;
+ int width, height, i;
+
+ attrs = (CARD32 *) (req + 1);
+ width = 0;
+ height = 0;
+
+ for (i = 0; i < req->numAttribs; i++) {
+ switch (attrs[i * 2]) {
+ case GLX_PBUFFER_WIDTH:
+ width = attrs[i * 2 + 1];
+ break;
+ case GLX_PBUFFER_HEIGHT:
+ height = attrs[i * 2 + 1];
+ break;
+ case GLX_LARGEST_PBUFFER:
+ case GLX_PRESERVED_CONTENTS:
+ /* FIXME: huh... */
+ break;
+ }
+ }
+
+ return DoCreatePbuffer(cl->client, req->screen, req->fbconfig,
+ width, height, req->pbuffer);
+}
+
+int __glXDisp_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc;
+
+ return DoCreatePbuffer(cl->client, req->screen, req->fbconfig,
+ req->width, req->height, req->pbuffer);
+}
+
+int __glXDisp_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc;
+
+ return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER);
+}
+
+int __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc;
+
+ return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER);
+}
+
+static int
+DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable,
+ int numAttribs, CARD32 *attribs)
+{
+ __GLXdrawable *pGlxDraw;
+ int i, err;
+
+ if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY,
+ DixSetAttrAccess, &pGlxDraw, &err))
+ return err;
+
+ for (i = 0; i < numAttribs; i++) {
+ switch(attribs[i * 2]) {
+ case GLX_EVENT_MASK:
+ /* All we do is to record the event mask so we can send it
+ * back when queried. We never actually clobber the
+ * pbuffers, so we never need to send out the event. */
+ pGlxDraw->eventMask = attribs[i * 2 + 1];
+ break;
+ }
+ }
+
+ return Success;
+}
+
+int __glXDisp_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXChangeDrawableAttributesReq *req =
+ (xGLXChangeDrawableAttributesReq *) pc;
+
+ return DoChangeDrawableAttributes(cl->client, req->drawable,
+ req->numAttribs, (CARD32 *) (req + 1));
+}
+
+int __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXChangeDrawableAttributesSGIXReq *req =
+ (xGLXChangeDrawableAttributesSGIXReq *)pc;
+
+ return DoChangeDrawableAttributes(cl->client, req->drawable,
+ req->numAttribs, (CARD32 *) (req + 1));
+}
+
+int __glXDisp_CreateWindow(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc;
+ __GLXconfig *config;
+ __GLXscreen *pGlxScreen;
+ ClientPtr client = cl->client;
+ DrawablePtr pDraw;
+ int err;
+
+ if (!validGlxScreen(client, req->screen, &pGlxScreen, &err))
+ return err;
+ if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err))
+ return err;
+
+ err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess);
+ if (err != Success || pDraw->type != DRAWABLE_WINDOW) {
+ client->errorValue = req->window;
+ return BadWindow;
+ }
+
+ if (!validGlxFBConfigForWindow(client, config, pDraw, &err))
+ return err;
+
+ return DoCreateGLXDrawable(client, pGlxScreen, config,
+ pDraw, req->glxwindow, GLX_DRAWABLE_WINDOW);
+}
+
+int __glXDisp_DestroyWindow(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc;
+
+ return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW);
+}
+
+
+/*****************************************************************************/
+
+/*
+** NOTE: There is no portable implementation for swap buffers as of
+** this time that is of value. Consequently, this code must be
+** implemented by somebody other than SGI.
+*/
+int __glXDisp_SwapBuffers(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc;
+ GLXContextTag tag = req->contextTag;
+ XID drawId = req->drawable;
+ __GLXcontext *glxc = NULL;
+ __GLXdrawable *pGlxDraw;
+ int error;
+
+ if (tag) {
+ glxc = __glXLookupContextByTag(cl, tag);
+ if (!glxc) {
+ return __glXError(GLXBadContextTag);
+ }
+ /*
+ ** The calling thread is swapping its current drawable. In this case,
+ ** glxSwapBuffers is in both GL and X streams, in terms of
+ ** sequentiality.
+ */
+ if (__glXForceCurrent(cl, tag, &error)) {
+ /*
+ ** Do whatever is needed to make sure that all preceding requests
+ ** in both streams are completed before the swap is executed.
+ */
+ CALL_Finish( GET_DISPATCH(), () );
+ __GLX_NOTE_FLUSHED_CMDS(glxc);
+ } else {
+ return error;
+ }
+ }
+
+ pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error);
+ if (pGlxDraw == NULL)
+ return error;
+
+ if (pGlxDraw->type == DRAWABLE_WINDOW &&
+ (*pGlxDraw->swapBuffers)(cl->client, pGlxDraw) == GL_FALSE)
+ return __glXError(GLXBadDrawable);
+
+ return Success;
+}
+
+
+static int
+DoQueryContext(__GLXclientState *cl, GLXContextID gcId)
+{
+ ClientPtr client = cl->client;
+ __GLXcontext *ctx;
+ xGLXQueryContextInfoEXTReply reply;
+ int nProps;
+ int *sendBuf, *pSendBuf;
+ int nReplyBytes;
+ int err;
+
+ if (!validGlxContext(cl->client, gcId, DixReadAccess, &ctx, &err))
+ return err;
+
+ nProps = 3;
+ reply.length = nProps << 1;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.n = nProps;
+
+ nReplyBytes = reply.length << 2;
+ sendBuf = (int *)xalloc((size_t)nReplyBytes);
+ if (sendBuf == NULL) {
+ return __glXError(GLXBadContext); /* XXX: Is this correct? */
+ }
+ pSendBuf = sendBuf;
+ *pSendBuf++ = GLX_SHARE_CONTEXT_EXT;
+ *pSendBuf++ = (int)(ctx->share_id);
+ *pSendBuf++ = GLX_VISUAL_ID_EXT;
+ *pSendBuf++ = (int)(ctx->config->visualID);
+ *pSendBuf++ = GLX_SCREEN_EXT;
+ *pSendBuf++ = (int)(ctx->pGlxScreen->pScreen->myNum);
+
+ if (client->swapped) {
+ __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf);
+ } else {
+ WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, (char *)&reply);
+ WriteToClient(client, nReplyBytes, (char *)sendBuf);
+ }
+ xfree((char *)sendBuf);
+
+ return Success;
+}
+
+int __glXDisp_QueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc;
+
+ return DoQueryContext(cl, req->context);
+}
+
+int __glXDisp_QueryContext(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc;
+
+ return DoQueryContext(cl, req->context);
+}
+
+int __glXDisp_BindTexImageEXT(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
+ ClientPtr client = cl->client;
+ __GLXcontext *context;
+ __GLXdrawable *pGlxDraw;
+ GLXDrawable drawId;
+ int buffer;
+ int error;
+
+ pc += __GLX_VENDPRIV_HDR_SIZE;
+
+ drawId = *((CARD32 *) (pc));
+ buffer = *((INT32 *) (pc + 4));
+
+ if (buffer != GLX_FRONT_LEFT_EXT)
+ return __glXError(GLXBadPixmap);
+
+ context = __glXForceCurrent (cl, req->contextTag, &error);
+ if (!context)
+ return error;
+
+ if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP,
+ DixReadAccess, &pGlxDraw, &error))
+ return error;
+
+ if (!context->textureFromPixmap)
+ return __glXError(GLXUnsupportedPrivateRequest);
+
+ return context->textureFromPixmap->bindTexImage(context,
+ buffer,
+ pGlxDraw);
+}
+
+int __glXDisp_ReleaseTexImageEXT(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
+ ClientPtr client = cl->client;
+ __GLXdrawable *pGlxDraw;
+ __GLXcontext *context;
+ GLXDrawable drawId;
+ int buffer;
+ int error;
+
+ pc += __GLX_VENDPRIV_HDR_SIZE;
+
+ drawId = *((CARD32 *) (pc));
+ buffer = *((INT32 *) (pc + 4));
+
+ context = __glXForceCurrent (cl, req->contextTag, &error);
+ if (!context)
+ return error;
+
+ if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP,
+ DixReadAccess, &pGlxDraw, &error))
+ return error;
+
+ if (!context->textureFromPixmap)
+ return __glXError(GLXUnsupportedPrivateRequest);
+
+ return context->textureFromPixmap->releaseTexImage(context,
+ buffer,
+ pGlxDraw);
+}
+
+int __glXDisp_CopySubBufferMESA(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
+ GLXContextTag tag = req->contextTag;
+ __GLXcontext *glxc = NULL;
+ __GLXdrawable *pGlxDraw;
+ ClientPtr client = cl->client;
+ GLXDrawable drawId;
+ int error;
+ int x, y, width, height;
+
+ (void) client;
+ (void) req;
+
+ pc += __GLX_VENDPRIV_HDR_SIZE;
+
+ drawId = *((CARD32 *) (pc));
+ x = *((INT32 *) (pc + 4));
+ y = *((INT32 *) (pc + 8));
+ width = *((INT32 *) (pc + 12));
+ height = *((INT32 *) (pc + 16));
+
+ if (tag) {
+ glxc = __glXLookupContextByTag(cl, tag);
+ if (!glxc) {
+ return __glXError(GLXBadContextTag);
+ }
+ /*
+ ** The calling thread is swapping its current drawable. In this case,
+ ** glxSwapBuffers is in both GL and X streams, in terms of
+ ** sequentiality.
+ */
+ if (__glXForceCurrent(cl, tag, &error)) {
+ /*
+ ** Do whatever is needed to make sure that all preceding requests
+ ** in both streams are completed before the swap is executed.
+ */
+ CALL_Finish( GET_DISPATCH(), () );
+ __GLX_NOTE_FLUSHED_CMDS(glxc);
+ } else {
+ return error;
+ }
+ }
+
+ pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error);
+ if (!pGlxDraw)
+ return error;
+
+ if (pGlxDraw == NULL ||
+ pGlxDraw->type != GLX_DRAWABLE_WINDOW ||
+ pGlxDraw->copySubBuffer == NULL)
+ return __glXError(GLXBadDrawable);
+
+ (*pGlxDraw->copySubBuffer)(pGlxDraw, x, y, width, height);
+
+ return Success;
+}
+
+/*
+** Get drawable attributes
+*/
+static int
+DoGetDrawableAttributes(__GLXclientState *cl, XID drawId)
+{
+ ClientPtr client = cl->client;
+ xGLXGetDrawableAttributesReply reply;
+ __GLXdrawable *pGlxDraw;
+ CARD32 attributes[6];
+ int numAttribs, error;
+
+ if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY,
+ DixGetAttrAccess, &pGlxDraw, &error))
+ return error;
+
+ numAttribs = 3;
+ reply.length = numAttribs << 1;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.numAttribs = numAttribs;
+
+ attributes[0] = GLX_TEXTURE_TARGET_EXT;
+ attributes[1] = pGlxDraw->target == GL_TEXTURE_2D ? GLX_TEXTURE_2D_EXT :
+ GLX_TEXTURE_RECTANGLE_EXT;
+ attributes[2] = GLX_Y_INVERTED_EXT;
+ attributes[3] = GL_FALSE;
+ attributes[4] = GLX_EVENT_MASK;
+ attributes[5] = pGlxDraw->eventMask;
+
+ if (client->swapped) {
+ __glXSwapGetDrawableAttributesReply(client, &reply, attributes);
+ } else {
+ WriteToClient(client, sz_xGLXGetDrawableAttributesReply,
+ (char *)&reply);
+ WriteToClient(client, reply.length * sizeof (CARD32),
+ (char *)attributes);
+ }
+
+ return Success;
+}
+
+int __glXDisp_GetDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *)pc;
+
+ return DoGetDrawableAttributes(cl, req->drawable);
+}
+
+int __glXDisp_GetDrawableAttributesSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXGetDrawableAttributesSGIXReq *req =
+ (xGLXGetDrawableAttributesSGIXReq *)pc;
+
+ return DoGetDrawableAttributes(cl, req->drawable);
+}
+
+/************************************************************************/
+
+/*
+** Render and Renderlarge are not in the GLX API. They are used by the GLX
+** client library to send batches of GL rendering commands.
+*/
+
+/*
+** Execute all the drawing commands in a request.
+*/
+int __glXDisp_Render(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXRenderReq *req;
+ ClientPtr client= cl->client;
+ int left, cmdlen, error;
+ int commandsDone;
+ CARD16 opcode;
+ __GLXrenderHeader *hdr;
+ __GLXcontext *glxc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ req = (xGLXRenderReq *) pc;
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+ }
+
+ glxc = __glXForceCurrent(cl, req->contextTag, &error);
+ if (!glxc) {
+ return error;
+ }
+
+ commandsDone = 0;
+ pc += sz_xGLXRenderReq;
+ left = (req->length << 2) - sz_xGLXRenderReq;
+ while (left > 0) {
+ __GLXrenderSizeData entry;
+ int extra;
+ __GLXdispatchRenderProcPtr proc;
+ int err;
+
+ /*
+ ** Verify that the header length and the overall length agree.
+ ** Also, each command must be word aligned.
+ */
+ hdr = (__GLXrenderHeader *) pc;
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&hdr->length);
+ __GLX_SWAP_SHORT(&hdr->opcode);
+ }
+ cmdlen = hdr->length;
+ opcode = hdr->opcode;
+
+ /*
+ ** Check for core opcodes and grab entry data.
+ */
+ err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry);
+ proc = (__GLXdispatchRenderProcPtr)
+ __glXGetProtocolDecodeFunction(& Render_dispatch_info,
+ opcode, client->swapped);
+
+ if ((err < 0) || (proc == NULL)) {
+ client->errorValue = commandsDone;
+ return __glXError(GLXBadRenderRequest);
+ }
+
+ if (entry.varsize) {
+ /* variable size command */
+ extra = (*entry.varsize)(pc + __GLX_RENDER_HDR_SIZE,
+ client->swapped);
+ if (extra < 0) {
+ extra = 0;
+ }
+ if (cmdlen != __GLX_PAD(entry.bytes + extra)) {
+ return BadLength;
+ }
+ } else {
+ /* constant size command */
+ if (cmdlen != __GLX_PAD(entry.bytes)) {
+ return BadLength;
+ }
+ }
+ if (left < cmdlen) {
+ return BadLength;
+ }
+
+ /*
+ ** Skip over the header and execute the command. We allow the
+ ** caller to trash the command memory. This is useful especially
+ ** for things that require double alignment - they can just shift
+ ** the data towards lower memory (trashing the header) by 4 bytes
+ ** and achieve the required alignment.
+ */
+ (*proc)(pc + __GLX_RENDER_HDR_SIZE);
+ pc += cmdlen;
+ left -= cmdlen;
+ commandsDone++;
+ }
+ __GLX_NOTE_UNFLUSHED_CMDS(glxc);
+ return Success;
+}
+
+
+/*
+** Execute a large rendering request (one that spans multiple X requests).
+*/
+int __glXDisp_RenderLarge(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXRenderLargeReq *req;
+ ClientPtr client= cl->client;
+ size_t dataBytes;
+ __GLXrenderLargeHeader *hdr;
+ __GLXcontext *glxc;
+ int error;
+ CARD16 opcode;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ req = (xGLXRenderLargeReq *) pc;
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+ __GLX_SWAP_INT(&req->dataBytes);
+ __GLX_SWAP_SHORT(&req->requestNumber);
+ __GLX_SWAP_SHORT(&req->requestTotal);
+ }
+
+ glxc = __glXForceCurrent(cl, req->contextTag, &error);
+ if (!glxc) {
+ /* Reset in case this isn't 1st request. */
+ __glXResetLargeCommandStatus(cl);
+ return error;
+ }
+ dataBytes = req->dataBytes;
+
+ /*
+ ** Check the request length.
+ */
+ if ((req->length << 2) != __GLX_PAD(dataBytes) + sz_xGLXRenderLargeReq) {
+ client->errorValue = req->length;
+ /* Reset in case this isn't 1st request. */
+ __glXResetLargeCommandStatus(cl);
+ return BadLength;
+ }
+ pc += sz_xGLXRenderLargeReq;
+
+ if (cl->largeCmdRequestsSoFar == 0) {
+ __GLXrenderSizeData entry;
+ int extra;
+ size_t cmdlen;
+ int err;
+
+ /*
+ ** This is the first request of a multi request command.
+ ** Make enough space in the buffer, then copy the entire request.
+ */
+ if (req->requestNumber != 1) {
+ client->errorValue = req->requestNumber;
+ return __glXError(GLXBadLargeRequest);
+ }
+
+ hdr = (__GLXrenderLargeHeader *) pc;
+ if (client->swapped) {
+ __GLX_SWAP_INT(&hdr->length);
+ __GLX_SWAP_INT(&hdr->opcode);
+ }
+ cmdlen = hdr->length;
+ opcode = hdr->opcode;
+
+ /*
+ ** Check for core opcodes and grab entry data.
+ */
+ err = __glXGetProtocolSizeData(& Render_dispatch_info, opcode, & entry);
+ if (err < 0) {
+ client->errorValue = opcode;
+ return __glXError(GLXBadLargeRequest);
+ }
+
+ if (entry.varsize) {
+ /*
+ ** If it's a variable-size command (a command whose length must
+ ** be computed from its parameters), all the parameters needed
+ ** will be in the 1st request, so it's okay to do this.
+ */
+ extra = (*entry.varsize)(pc + __GLX_RENDER_LARGE_HDR_SIZE,
+ client->swapped);
+ if (extra < 0) {
+ extra = 0;
+ }
+ /* large command's header is 4 bytes longer, so add 4 */
+ if (cmdlen != __GLX_PAD(entry.bytes + 4 + extra)) {
+ return BadLength;
+ }
+ } else {
+ /* constant size command */
+ if (cmdlen != __GLX_PAD(entry.bytes + 4)) {
+ return BadLength;
+ }
+ }
+ /*
+ ** Make enough space in the buffer, then copy the entire request.
+ */
+ if (cl->largeCmdBufSize < cmdlen) {
+ if (!cl->largeCmdBuf) {
+ cl->largeCmdBuf = (GLbyte *) xalloc(cmdlen);
+ } else {
+ cl->largeCmdBuf = (GLbyte *) xrealloc(cl->largeCmdBuf, cmdlen);
+ }
+ if (!cl->largeCmdBuf) {
+ return BadAlloc;
+ }
+ cl->largeCmdBufSize = cmdlen;
+ }
+ memcpy(cl->largeCmdBuf, pc, dataBytes);
+
+ cl->largeCmdBytesSoFar = dataBytes;
+ cl->largeCmdBytesTotal = cmdlen;
+ cl->largeCmdRequestsSoFar = 1;
+ cl->largeCmdRequestsTotal = req->requestTotal;
+ return Success;
+
+ } else {
+ /*
+ ** We are receiving subsequent (i.e. not the first) requests of a
+ ** multi request command.
+ */
+
+ /*
+ ** Check the request number and the total request count.
+ */
+ if (req->requestNumber != cl->largeCmdRequestsSoFar + 1) {
+ client->errorValue = req->requestNumber;
+ __glXResetLargeCommandStatus(cl);
+ return __glXError(GLXBadLargeRequest);
+ }
+ if (req->requestTotal != cl->largeCmdRequestsTotal) {
+ client->errorValue = req->requestTotal;
+ __glXResetLargeCommandStatus(cl);
+ return __glXError(GLXBadLargeRequest);
+ }
+
+ /*
+ ** Check that we didn't get too much data.
+ */
+ if ((cl->largeCmdBytesSoFar + dataBytes) > cl->largeCmdBytesTotal) {
+ client->errorValue = dataBytes;
+ __glXResetLargeCommandStatus(cl);
+ return __glXError(GLXBadLargeRequest);
+ }
+ memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes);
+ cl->largeCmdBytesSoFar += dataBytes;
+ cl->largeCmdRequestsSoFar++;
+
+ if (req->requestNumber == cl->largeCmdRequestsTotal) {
+ __GLXdispatchRenderProcPtr proc;
+
+ /*
+ ** This is the last request; it must have enough bytes to complete
+ ** the command.
+ */
+ /* NOTE: the two pad macros have been added below; they are needed
+ ** because the client library pads the total byte count, but not
+ ** the per-request byte counts. The Protocol Encoding says the
+ ** total byte count should not be padded, so a proposal will be
+ ** made to the ARB to relax the padding constraint on the total
+ ** byte count, thus preserving backward compatibility. Meanwhile,
+ ** the padding done below fixes a bug that did not allow
+ ** large commands of odd sizes to be accepted by the server.
+ */
+ if (__GLX_PAD(cl->largeCmdBytesSoFar) !=
+ __GLX_PAD(cl->largeCmdBytesTotal)) {
+ client->errorValue = dataBytes;
+ __glXResetLargeCommandStatus(cl);
+ return __glXError(GLXBadLargeRequest);
+ }
+ hdr = (__GLXrenderLargeHeader *) cl->largeCmdBuf;
+ /*
+ ** The opcode and length field in the header had already been
+ ** swapped when the first request was received.
+ **
+ ** Use the opcode to index into the procedure table.
+ */
+ opcode = hdr->opcode;
+
+ proc = (__GLXdispatchRenderProcPtr)
+ __glXGetProtocolDecodeFunction(& Render_dispatch_info, opcode,
+ client->swapped);
+ if (proc == NULL) {
+ client->errorValue = opcode;
+ return __glXError(GLXBadLargeRequest);
+ }
+
+ /*
+ ** Skip over the header and execute the command.
+ */
+ (*proc)(cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE);
+ __GLX_NOTE_UNFLUSHED_CMDS(glxc);
+
+ /*
+ ** Reset for the next RenderLarge series.
+ */
+ __glXResetLargeCommandStatus(cl);
+ } else {
+ /*
+ ** This is neither the first nor the last request.
+ */
+ }
+ return Success;
+ }
+}
+
+extern RESTYPE __glXSwapBarrierRes;
+
+int __glXDisp_BindSwapBarrierSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *) pc;
+ XID drawable = req->drawable;
+ int barrier = req->barrier;
+ DrawablePtr pDraw;
+ int screen, rc;
+ __GLXscreen *pGlxScreen;
+
+ rc = dixLookupDrawable(&pDraw, drawable, client, 0, DixGetAttrAccess);
+ pGlxScreen = glxGetScreen(pDraw->pScreen);
+ if (rc == Success && (pDraw->type == DRAWABLE_WINDOW)) {
+ screen = pDraw->pScreen->myNum;
+ if (pGlxScreen->swapBarrierFuncs) {
+ int ret = pGlxScreen->swapBarrierFuncs->bindSwapBarrierFunc(screen, drawable, barrier);
+ if (ret == Success) {
+ if (barrier)
+ /* add source for cleanup when drawable is gone */
+ AddResource(drawable, __glXSwapBarrierRes, (pointer)(intptr_t)screen);
+ else
+ /* delete source */
+ FreeResourceByType(drawable, __glXSwapBarrierRes, FALSE);
+ }
+ return ret;
+ }
+ }
+ client->errorValue = drawable;
+ return __glXError(GLXBadDrawable);
+}
+
+
+int __glXDisp_QueryMaxSwapBarriersSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryMaxSwapBarriersSGIXReq *req =
+ (xGLXQueryMaxSwapBarriersSGIXReq *) pc;
+ xGLXQueryMaxSwapBarriersSGIXReply reply;
+ int screen = req->screen;
+ __GLXscreen *pGlxScreen;
+
+ pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+ if (pGlxScreen->swapBarrierFuncs)
+ reply.max = pGlxScreen->swapBarrierFuncs->queryMaxSwapBarriersFunc(screen);
+ else
+ reply.max = 0;
+
+
+ reply.length = 0;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ }
+
+ WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply,
+ (char *) &reply);
+ return Success;
+}
+
+#define GLX_BAD_HYPERPIPE_SGIX 92
+
+int __glXDisp_QueryHyperpipeNetworkSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryHyperpipeNetworkSGIXReq * req = (xGLXQueryHyperpipeNetworkSGIXReq *) pc;
+ xGLXQueryHyperpipeNetworkSGIXReply reply;
+ int screen = req->screen;
+ void *rdata = NULL;
+
+ int length=0;
+ int npipes=0;
+
+ int n= 0;
+ __GLXscreen *pGlxScreen;
+
+ pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+ if (pGlxScreen->hyperpipeFuncs) {
+ rdata =
+ (pGlxScreen->hyperpipeFuncs->queryHyperpipeNetworkFunc(screen, &npipes, &n));
+ }
+ length = __GLX_PAD(n) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = length;
+ reply.n = n;
+ reply.npipes = npipes;
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ __GLX_SWAP_INT(&reply.n);
+ __GLX_SWAP_INT(&reply.npipes);
+ }
+ WriteToClient(client, sz_xGLXQueryHyperpipeNetworkSGIXReply,
+ (char *) &reply);
+
+ WriteToClient(client, length << 2, (char *)rdata);
+
+ return Success;
+}
+
+int __glXDisp_DestroyHyperpipeConfigSGIX (__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXDestroyHyperpipeConfigSGIXReq * req =
+ (xGLXDestroyHyperpipeConfigSGIXReq *) pc;
+ xGLXDestroyHyperpipeConfigSGIXReply reply;
+ int screen = req->screen;
+ int success = GLX_BAD_HYPERPIPE_SGIX;
+ int hpId ;
+ __GLXscreen *pGlxScreen;
+
+ hpId = req->hpId;
+
+ pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+ if (pGlxScreen->hyperpipeFuncs) {
+ success = pGlxScreen->hyperpipeFuncs->destroyHyperpipeConfigFunc(screen, hpId);
+ }
+
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = __GLX_PAD(0) >> 2;
+ reply.n = 0;
+ reply.success = success;
+
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ }
+ WriteToClient(client,
+ sz_xGLXDestroyHyperpipeConfigSGIXReply,
+ (char *) &reply);
+ return Success;
+}
+
+int __glXDisp_QueryHyperpipeConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryHyperpipeConfigSGIXReq * req =
+ (xGLXQueryHyperpipeConfigSGIXReq *) pc;
+ xGLXQueryHyperpipeConfigSGIXReply reply;
+ int screen = req->screen;
+ void *rdata = NULL;
+ int length;
+ int npipes=0;
+ int n= 0;
+ int hpId;
+ __GLXscreen *pGlxScreen;
+
+ hpId = req->hpId;
+
+ pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+ if (pGlxScreen->hyperpipeFuncs) {
+ rdata = pGlxScreen->hyperpipeFuncs->queryHyperpipeConfigFunc(screen, hpId,&npipes, &n);
+ }
+
+ length = __GLX_PAD(n) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = length;
+ reply.n = n;
+ reply.npipes = npipes;
+
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ __GLX_SWAP_INT(&reply.n);
+ __GLX_SWAP_INT(&reply.npipes);
+ }
+
+ WriteToClient(client, sz_xGLXQueryHyperpipeConfigSGIXReply,
+ (char *) &reply);
+
+ WriteToClient(client, length << 2, (char *)rdata);
+
+ return Success;
+}
+
+int __glXDisp_HyperpipeConfigSGIX(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXHyperpipeConfigSGIXReq * req =
+ (xGLXHyperpipeConfigSGIXReq *) pc;
+ xGLXHyperpipeConfigSGIXReply reply;
+ int screen = req->screen;
+ void *rdata;
+
+ int npipes=0, networkId;
+ int hpId=-1;
+ __GLXscreen *pGlxScreen;
+
+ pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+ networkId = (int)req->networkId;
+ npipes = (int)req->npipes;
+ rdata = (void *)(req +1);
+
+ if (pGlxScreen->hyperpipeFuncs) {
+ pGlxScreen->hyperpipeFuncs->hyperpipeConfigFunc(screen,networkId,
+ &hpId, &npipes,
+ (void *) rdata);
+ }
+
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = __GLX_PAD(0) >> 2;
+ reply.n = 0;
+ reply.npipes = npipes;
+ reply.hpId = hpId;
+
+ if (client->swapped) {
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.npipes);
+ __GLX_SWAP_INT(&reply.hpId);
+ }
+
+ WriteToClient(client, sz_xGLXHyperpipeConfigSGIXReply,
+ (char *) &reply);
+
+ return Success;
+}
+
+
+/************************************************************************/
+
+/*
+** No support is provided for the vendor-private requests other than
+** allocating the entry points in the dispatch table.
+*/
+
+int __glXDisp_VendorPrivate(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
+ GLint vendorcode = req->vendorCode;
+ __GLXdispatchVendorPrivProcPtr proc;
+
+
+ proc = (__GLXdispatchVendorPrivProcPtr)
+ __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info,
+ vendorcode, 0);
+ if (proc != NULL) {
+ (*proc)(cl, (GLbyte*)req);
+ return Success;
+ }
+
+ cl->client->errorValue = req->vendorCode;
+ return __glXError(GLXUnsupportedPrivateRequest);
+}
+
+int __glXDisp_VendorPrivateWithReply(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc;
+ GLint vendorcode = req->vendorCode;
+ __GLXdispatchVendorPrivProcPtr proc;
+
+
+ proc = (__GLXdispatchVendorPrivProcPtr)
+ __glXGetProtocolDecodeFunction(& VendorPriv_dispatch_info,
+ vendorcode, 0);
+ if (proc != NULL) {
+ return (*proc)(cl, (GLbyte*)req);
+ }
+
+ cl->client->errorValue = vendorcode;
+ return __glXError(GLXUnsupportedPrivateRequest);
+}
+
+int __glXDisp_QueryExtensionsString(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc;
+ xGLXQueryExtensionsStringReply reply;
+ __GLXscreen *pGlxScreen;
+ size_t n, length;
+ char *buf;
+ int err;
+
+ if (!validGlxScreen(client, req->screen, &pGlxScreen, &err))
+ return err;
+
+ n = strlen(pGlxScreen->GLXextensions) + 1;
+ length = __GLX_PAD(n) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = length;
+ reply.n = n;
+
+ /* Allocate buffer to make sure it's a multiple of 4 bytes big.*/
+ buf = (char *) xalloc(length << 2);
+ if (buf == NULL)
+ return BadAlloc;
+ memcpy(buf, pGlxScreen->GLXextensions, n);
+
+ if (client->swapped) {
+ glxSwapQueryExtensionsStringReply(client, &reply, buf);
+ } else {
+ WriteToClient(client, sz_xGLXQueryExtensionsStringReply,(char *)&reply);
+ WriteToClient(client, (int)(length << 2), (char *)buf);
+ }
+
+ xfree(buf);
+ return Success;
+}
+
+int __glXDisp_QueryServerString(__GLXclientState *cl, GLbyte *pc)
+{
+ ClientPtr client = cl->client;
+ xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc;
+ xGLXQueryServerStringReply reply;
+ size_t n, length;
+ const char *ptr;
+ char *buf;
+ __GLXscreen *pGlxScreen;
+ int err;
+ char ver_str[16];
+
+ if (!validGlxScreen(client, req->screen, &pGlxScreen, &err))
+ return err;
+
+ switch(req->name) {
+ case GLX_VENDOR:
+ ptr = pGlxScreen->GLXvendor;
+ break;
+ case GLX_VERSION:
+ /* Return to the server version rather than the screen version
+ * to prevent confusion when they do not match.
+ */
+ snprintf(ver_str, 16, "%d.%d", glxMajorVersion, glxMinorVersion);
+ ptr = ver_str;
+ break;
+ case GLX_EXTENSIONS:
+ ptr = pGlxScreen->GLXextensions;
+ break;
+ default:
+ return BadValue;
+ }
+
+ n = strlen(ptr) + 1;
+ length = __GLX_PAD(n) >> 2;
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = length;
+ reply.n = n;
+
+ buf = (char *) xalloc(length << 2);
+ if (buf == NULL) {
+ return BadAlloc;
+ }
+ memcpy(buf, ptr, n);
+
+ if (client->swapped) {
+ glxSwapQueryServerStringReply(client, &reply, buf);
+ } else {
+ WriteToClient(client, sz_xGLXQueryServerStringReply, (char *)&reply);
+ WriteToClient(client, (int)(length << 2), buf);
+ }
+
+ xfree(buf);
+ return Success;
+}
+
+int __glXDisp_ClientInfo(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc;
+ const char *buf;
+
+ cl->GLClientmajorVersion = req->major;
+ cl->GLClientminorVersion = req->minor;
+ if (cl->GLClientextensions)
+ xfree(cl->GLClientextensions);
+ buf = (const char *)(req+1);
+ cl->GLClientextensions = xstrdup(buf);
+
+ return Success;
+}
diff --git a/xorg-server/glx/glxcmdsswap.c b/xorg-server/glx/glxcmdsswap.c
index f1c0ce69f..a65839527 100644
--- a/xorg-server/glx/glxcmdsswap.c
+++ b/xorg-server/glx/glxcmdsswap.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include <string.h>
@@ -354,7 +358,7 @@ int __glXDispSwap_CreateGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
int __glXDispSwap_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc)
{
- xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) req;
+ xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_INT(&req->pbuffer);
@@ -364,7 +368,7 @@ int __glXDispSwap_DestroyPbuffer(__GLXclientState *cl, GLbyte *pc)
int __glXDispSwap_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
{
- xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) req;
+ xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_INT(&req->pbuffer);
@@ -375,7 +379,7 @@ int __glXDispSwap_DestroyGLXPbufferSGIX(__GLXclientState *cl, GLbyte *pc)
int __glXDispSwap_ChangeDrawableAttributes(__GLXclientState *cl, GLbyte *pc)
{
xGLXChangeDrawableAttributesReq *req =
- (xGLXChangeDrawableAttributesReq *) req;
+ (xGLXChangeDrawableAttributesReq *) pc;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
CARD32 *attribs;
@@ -392,7 +396,7 @@ int __glXDispSwap_ChangeDrawableAttributesSGIX(__GLXclientState *cl,
GLbyte *pc)
{
xGLXChangeDrawableAttributesSGIXReq *req =
- (xGLXChangeDrawableAttributesSGIXReq *) req;
+ (xGLXChangeDrawableAttributesSGIXReq *) pc;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
CARD32 *attribs;
diff --git a/xorg-server/glx/glxdri.c b/xorg-server/glx/glxdri.c
index 21e44d12d..910eb464e 100644
--- a/xorg-server/glx/glxdri.c
+++ b/xorg-server/glx/glxdri.c
@@ -1,1196 +1,1199 @@
-/*
- * Copyright © 2006 Red Hat, Inc
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without
- * fee, provided that the above copyright notice appear in all copies
- * and that both that copyright notice and this permission notice
- * appear in supporting documentation, and that the name of Red Hat,
- * Inc not be used in advertising or publicity pertaining to
- * distribution of the software without specific, written prior
- * permission. Red Hat, Inc makes no representations about the
- * suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * RED HAT, INC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
- * NO EVENT SHALL RED HAT, INC BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
- * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/time.h>
-#include <dlfcn.h>
-
-#include <drm.h>
-#include <GL/gl.h>
-#include <GL/internal/dri_interface.h>
-
-#include <windowstr.h>
-#include <os.h>
-#include <damage.h>
-
-#define _XF86DRI_SERVER_
-#include <drm_sarea.h>
-#include <xf86drm.h>
-#include <X11/dri/xf86driproto.h>
-#include <xf86str.h>
-#include <xf86.h>
-#include <dri.h>
-
-#include "servermd.h"
-
-#define DRI_NEW_INTERFACE_ONLY
-#include "glxserver.h"
-#include "glxutil.h"
-#include "glxdricommon.h"
-
-#include "g_disptab.h"
-#include "glapitable.h"
-#include "glapi.h"
-#include "glthread.h"
-#include "dispatch.h"
-#include "extension_string.h"
-
-typedef struct __GLXDRIscreen __GLXDRIscreen;
-typedef struct __GLXDRIcontext __GLXDRIcontext;
-typedef struct __GLXDRIdrawable __GLXDRIdrawable;
-
-struct __GLXDRIscreen {
- __GLXscreen base;
- __DRIscreen *driScreen;
- void *driver;
-
- xf86EnterVTProc *enterVT;
- xf86LeaveVTProc *leaveVT;
-
- const __DRIcoreExtension *core;
- const __DRIlegacyExtension *legacy;
- const __DRIcopySubBufferExtension *copySubBuffer;
- const __DRIswapControlExtension *swapControl;
-
-#ifdef __DRI_TEX_OFFSET
- const __DRItexOffsetExtension *texOffset;
- DRITexOffsetStartProcPtr texOffsetStart;
- DRITexOffsetFinishProcPtr texOffsetFinish;
- __GLXDRIdrawable *texOffsetOverride[16];
- GLuint lastTexOffsetOverride;
-#endif
-
- unsigned char glx_enable_bits[__GLX_EXT_BYTES];
-};
-
-struct __GLXDRIcontext {
- __GLXcontext base;
- __DRIcontext *driContext;
- XID hwContextID;
-};
-
-struct __GLXDRIdrawable {
- __GLXdrawable base;
- __DRIdrawable *driDrawable;
-
- /* Pulled in from old __GLXpixmap */
-#ifdef __DRI_TEX_OFFSET
- GLint texname;
- __GLXDRIcontext *ctx;
- unsigned long long offset;
- DamagePtr pDamage;
-#endif
-};
-
-static void
-__glXDRIleaveServer(GLboolean rendering)
-{
- int i;
-
- for (i = 0; rendering && i < screenInfo.numScreens; i++) {
- __GLXDRIscreen * const screen =
- (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]);
- GLuint lastOverride = screen->lastTexOffsetOverride;
-
- if (lastOverride) {
- __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
- int j;
-
- for (j = 0; j < lastOverride; j++) {
- __GLXDRIdrawable *pGlxPix = texOffsetOverride[j];
-
- if (pGlxPix && pGlxPix->texname) {
- pGlxPix->offset =
- screen->texOffsetStart((PixmapPtr)pGlxPix->base.pDraw);
- }
- }
- }
- }
-
- DRIBlockHandler(NULL, NULL, NULL);
-
- for (i = 0; rendering && i < screenInfo.numScreens; i++) {
- __GLXDRIscreen * const screen =
- (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]);
- GLuint lastOverride = screen->lastTexOffsetOverride;
-
- if (lastOverride) {
- __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
- int j;
-
- for (j = 0; j < lastOverride; j++) {
- __GLXDRIdrawable *pGlxPix = texOffsetOverride[j];
-
- if (pGlxPix && pGlxPix->texname) {
- screen->texOffset->setTexOffset(pGlxPix->ctx->driContext,
- pGlxPix->texname,
- pGlxPix->offset,
- pGlxPix->base.pDraw->depth,
- ((PixmapPtr)pGlxPix->base.pDraw)->devKind);
- }
- }
- }
- }
-}
-
-static void
-__glXDRIenterServer(GLboolean rendering)
-{
- int i;
-
- for (i = 0; rendering && i < screenInfo.numScreens; i++) {
- __GLXDRIscreen * const screen = (__GLXDRIscreen *)
- glxGetScreen(screenInfo.screens[i]);
-
- if (screen->lastTexOffsetOverride) {
- CALL_Flush(GET_DISPATCH(), ());
- break;
- }
- }
-
- DRIWakeupHandler(NULL, 0, NULL);
-}
-
-
-static void
-__glXDRIdoReleaseTexImage(__GLXDRIscreen *screen, __GLXDRIdrawable *drawable)
-{
- GLuint lastOverride = screen->lastTexOffsetOverride;
-
- if (lastOverride) {
- __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
- int i;
-
- for (i = 0; i < lastOverride; i++) {
- if (texOffsetOverride[i] == drawable) {
- if (screen->texOffsetFinish)
- screen->texOffsetFinish((PixmapPtr)drawable->base.pDraw);
-
- texOffsetOverride[i] = NULL;
-
- if (i + 1 == lastOverride) {
- lastOverride = 0;
-
- while (i--) {
- if (texOffsetOverride[i]) {
- lastOverride = i + 1;
- break;
- }
- }
-
- screen->lastTexOffsetOverride = lastOverride;
-
- break;
- }
- }
- }
- }
-}
-
-
-static void
-__glXDRIdrawableDestroy(__GLXdrawable *drawable)
-{
- __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
- __GLXDRIscreen *screen;
- int i;
-
- for (i = 0; i < screenInfo.numScreens; i++) {
- screen = (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]);
- __glXDRIdoReleaseTexImage(screen, private);
- }
-
- /* If the X window was destroyed, the dri DestroyWindow hook will
- * aready have taken care of this, so only call if pDraw isn't NULL. */
- if (drawable->pDraw != NULL) {
- screen = (__GLXDRIscreen *) glxGetScreen(drawable->pDraw->pScreen);
- (*screen->core->destroyDrawable)(private->driDrawable);
-
- __glXenterServer(GL_FALSE);
- DRIDestroyDrawable(drawable->pDraw->pScreen,
- serverClient, drawable->pDraw);
- __glXleaveServer(GL_FALSE);
- }
-
- __glXDrawableRelease(drawable);
-
- xfree(private);
-}
-
-static GLboolean
-__glXDRIdrawableSwapBuffers(ClientPtr client, __GLXdrawable *basePrivate)
-{
- __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
- __GLXDRIscreen *screen =
- (__GLXDRIscreen *) glxGetScreen(basePrivate->pDraw->pScreen);
-
- (*screen->core->swapBuffers)(private->driDrawable);
-
- return TRUE;
-}
-
-
-static int
-__glXDRIdrawableSwapInterval(__GLXdrawable *baseDrawable, int interval)
-{
- __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseDrawable;
- __GLXDRIscreen *screen =
- (__GLXDRIscreen *) glxGetScreen(baseDrawable->pDraw->pScreen);
-
- if (screen->swapControl)
- screen->swapControl->setSwapInterval(draw->driDrawable, interval);
-
- return 0;
-}
-
-
-static void
-__glXDRIdrawableCopySubBuffer(__GLXdrawable *basePrivate,
- int x, int y, int w, int h)
-{
- __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
- __GLXDRIscreen *screen = (__GLXDRIscreen *)
- glxGetScreen(basePrivate->pDraw->pScreen);
-
- if (screen->copySubBuffer)
- screen->copySubBuffer->copySubBuffer(private->driDrawable, x, y, w, h);
-}
-
-static void
-__glXDRIcontextDestroy(__GLXcontext *baseContext)
-{
- __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
- __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
- Bool retval;
-
- screen->core->destroyContext(context->driContext);
-
- __glXenterServer(GL_FALSE);
- retval = DRIDestroyContext(baseContext->pGlxScreen->pScreen,
- context->hwContextID);
- __glXleaveServer(GL_FALSE);
-
- __glXContextDestroy(&context->base);
- xfree(context);
-}
-
-static int
-__glXDRIcontextMakeCurrent(__GLXcontext *baseContext)
-{
- __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
- __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
- __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
- __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
-
- return (*screen->core->bindContext)(context->driContext,
- draw->driDrawable,
- read->driDrawable);
-}
-
-static int
-__glXDRIcontextLoseCurrent(__GLXcontext *baseContext)
-{
- __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
- __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
-
- return (*screen->core->unbindContext)(context->driContext);
-}
-
-static int
-__glXDRIcontextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc,
- unsigned long mask)
-{
- __GLXDRIcontext *dst = (__GLXDRIcontext *) baseDst;
- __GLXDRIcontext *src = (__GLXDRIcontext *) baseSrc;
- __GLXDRIscreen *screen = (__GLXDRIscreen *) dst->base.pGlxScreen;
-
- return (*screen->core->copyContext)(dst->driContext,
- src->driContext, mask);
-}
-
-static int
-__glXDRIcontextForceCurrent(__GLXcontext *baseContext)
-{
- __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
- __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
- __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
- __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
-
- return (*screen->core->bindContext)(context->driContext,
- draw->driDrawable,
- read->driDrawable);
-}
-
-static void
-glxFillAlphaChannel (CARD32 *pixels, CARD32 rowstride, int width, int height)
-{
- int i;
- CARD32 *p, *end;
-
- rowstride /= 4;
-
- for (i = 0; i < height; i++)
- {
- p = pixels;
- end = p + width;
- while (p < end)
- *p++ |= 0xFF000000;
- pixels += rowstride;
- }
-}
-
-static Bool
-testTexOffset(__GLXDRIscreen * const screen, PixmapPtr pPixmap)
-{
- Bool ret;
-
- if (!screen->texOffsetStart || !screen->texOffset)
- return FALSE;
-
- __glXenterServer(GL_FALSE);
- ret = screen->texOffsetStart(pPixmap) != ~0ULL;
- __glXleaveServer(GL_FALSE);
-
- return ret;
-}
-
-/*
- * (sticking this here for lack of a better place)
- * Known issues with the GLX_EXT_texture_from_pixmap implementation:
- * - In general we ignore the fbconfig, lots of examples follow
- * - No fbconfig handling for multiple mipmap levels
- * - No fbconfig handling for 1D textures
- * - No fbconfig handling for TEXTURE_TARGET
- * - No fbconfig exposure of Y inversion state
- * - No GenerateMipmapEXT support (due to no FBO support)
- * - No support for anything but 16bpp and 32bpp-sparse pixmaps
- */
-
-static int
-__glXDRIbindTexImage(__GLXcontext *baseContext,
- int buffer,
- __GLXdrawable *glxPixmap)
-{
- RegionPtr pRegion = NULL;
- PixmapPtr pixmap;
- int bpp, override = 0, texname;
- GLenum format, type;
- ScreenPtr pScreen = glxPixmap->pDraw->pScreen;
- __GLXDRIdrawable *driDraw = (__GLXDRIdrawable *) glxPixmap;
- __GLXDRIscreen * const screen = (__GLXDRIscreen *) glxGetScreen(pScreen);
-
- CALL_GetIntegerv(GET_DISPATCH(), (glxPixmap->target == GL_TEXTURE_2D ?
- GL_TEXTURE_BINDING_2D :
- GL_TEXTURE_BINDING_RECTANGLE_NV,
- &texname));
-
- if (!texname)
- return __glXError(GLXBadContextState);
-
- pixmap = (PixmapPtr) glxPixmap->pDraw;
-
- if (testTexOffset(screen, pixmap)) {
- __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
- int i, firstEmpty = 16;
-
- for (i = 0; i < 16; i++) {
- if (texOffsetOverride[i] == driDraw)
- goto alreadyin;
-
- if (firstEmpty == 16 && !texOffsetOverride[i])
- firstEmpty = i;
- }
-
- if (firstEmpty == 16) {
- ErrorF("%s: Failed to register texture offset override\n", __func__);
- goto nooverride;
- }
-
- if (firstEmpty >= screen->lastTexOffsetOverride)
- screen->lastTexOffsetOverride = firstEmpty + 1;
-
- texOffsetOverride[firstEmpty] = driDraw;
-
-alreadyin:
- override = 1;
-
- driDraw->ctx = (__GLXDRIcontext*)baseContext;
-
- if (texname == driDraw->texname)
- return Success;
-
- driDraw->texname = texname;
-
- screen->texOffset->setTexOffset(driDraw->ctx->driContext, texname, 0,
- pixmap->drawable.depth,
- pixmap->devKind);
- }
-nooverride:
-
- if (!driDraw->pDamage) {
- if (!override) {
- driDraw->pDamage = DamageCreate(NULL, NULL, DamageReportNone,
- TRUE, pScreen, NULL);
- if (!driDraw->pDamage)
- return BadAlloc;
-
- DamageRegister ((DrawablePtr) pixmap, driDraw->pDamage);
- }
-
- pRegion = NULL;
- } else {
- pRegion = DamageRegion(driDraw->pDamage);
- if (REGION_NIL(pRegion))
- return Success;
- }
-
- /* XXX 24bpp packed, 8, etc */
- if (pixmap->drawable.depth >= 24) {
- bpp = 4;
- format = GL_BGRA;
- type =
-#if X_BYTE_ORDER == X_BIG_ENDIAN
- !override ? GL_UNSIGNED_INT_8_8_8_8_REV :
-#endif
- GL_UNSIGNED_BYTE;
- } else {
- bpp = 2;
- format = GL_RGB;
- type = GL_UNSIGNED_SHORT_5_6_5;
- }
-
- if (pRegion == NULL)
- {
- void *data = NULL;
-
- if (!override) {
- unsigned pitch = PixmapBytePad(pixmap->drawable.width,
- pixmap->drawable.depth);
-
- data = xalloc(pitch * pixmap->drawable.height);
-
- __glXenterServer(GL_FALSE);
- pScreen->GetImage(&pixmap->drawable, 0 /*pixmap->drawable.x*/,
- 0 /*pixmap->drawable.y*/, pixmap->drawable.width,
- pixmap->drawable.height, ZPixmap, ~0, data);
- __glXleaveServer(GL_FALSE);
-
- if (pixmap->drawable.depth == 24)
- glxFillAlphaChannel(data,
- pitch,
- pixmap->drawable.width,
- pixmap->drawable.height);
-
- CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH,
- pitch / bpp) );
- CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) );
- CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) );
- }
-
- CALL_TexImage2D( GET_DISPATCH(),
- (glxPixmap->target,
- 0,
- bpp == 4 ? 4 : 3,
- pixmap->drawable.width,
- pixmap->drawable.height,
- 0,
- format,
- type,
- data) );
-
- xfree(data);
- } else if (!override) {
- int i, numRects;
- BoxPtr p;
-
- numRects = REGION_NUM_RECTS (pRegion);
- p = REGION_RECTS (pRegion);
-
- CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) );
- CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) );
-
- for (i = 0; i < numRects; i++)
- {
- unsigned pitch = PixmapBytePad(p[i].x2 - p[i].x1,
- pixmap->drawable.depth);
- void *data = xalloc(pitch * (p[i].y2 - p[i].y1));
-
- __glXenterServer(GL_FALSE);
- pScreen->GetImage(&pixmap->drawable, /*pixmap->drawable.x +*/ p[i].x1,
- /*pixmap->drawable.y*/ + p[i].y1, p[i].x2 - p[i].x1,
- p[i].y2 - p[i].y1, ZPixmap, ~0, data);
- __glXleaveServer(GL_FALSE);
-
- if (pixmap->drawable.depth == 24)
- glxFillAlphaChannel(data,
- pitch,
- p[i].x2 - p[i].x1,
- p[i].y2 - p[i].y1);
-
- CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH,
- pitch / bpp) );
-
- CALL_TexSubImage2D( GET_DISPATCH(),
- (glxPixmap->target,
- 0,
- p[i].x1, p[i].y1,
- p[i].x2 - p[i].x1, p[i].y2 - p[i].y1,
- format,
- type,
- data) );
-
- xfree(data);
- }
- }
-
- if (!override)
- DamageEmpty(driDraw->pDamage);
-
- return Success;
-}
-
-static int
-__glXDRIreleaseTexImage(__GLXcontext *baseContext,
- int buffer,
- __GLXdrawable *pixmap)
-{
- __GLXDRIscreen *screen =
- (__GLXDRIscreen *) glxGetScreen(pixmap->pDraw->pScreen);
- __GLXDRIdrawable *drawable = (__GLXDRIdrawable *) pixmap;
-
- __glXDRIdoReleaseTexImage(screen, drawable);
-
- return Success;
-}
-
-static __GLXtextureFromPixmap __glXDRItextureFromPixmap = {
- __glXDRIbindTexImage,
- __glXDRIreleaseTexImage
-};
-
-static void
-__glXDRIscreenDestroy(__GLXscreen *baseScreen)
-{
- __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
-
- screen->core->destroyScreen(screen->driScreen);
-
- dlclose(screen->driver);
-
- __glXScreenDestroy(baseScreen);
-
- xfree(screen);
-}
-
-static __GLXcontext *
-__glXDRIscreenCreateContext(__GLXscreen *baseScreen,
- __GLXconfig *glxConfig,
- __GLXcontext *baseShareContext)
-{
- __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
- __GLXDRIcontext *context, *shareContext;
- __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
- VisualPtr visual;
- int i;
- GLboolean retval;
- __DRIcontext *driShare;
- drm_context_t hwContext;
- ScreenPtr pScreen = baseScreen->pScreen;
-
- shareContext = (__GLXDRIcontext *) baseShareContext;
- if (shareContext)
- driShare = shareContext->driContext;
- else
- driShare = NULL;
-
- if (baseShareContext && baseShareContext->isDirect)
- return NULL;
-
- context = xcalloc(1, sizeof *context);
- if (context == NULL)
- return NULL;
-
- context->base.destroy = __glXDRIcontextDestroy;
- context->base.makeCurrent = __glXDRIcontextMakeCurrent;
- context->base.loseCurrent = __glXDRIcontextLoseCurrent;
- context->base.copy = __glXDRIcontextCopy;
- context->base.forceCurrent = __glXDRIcontextForceCurrent;
-
- context->base.textureFromPixmap = &__glXDRItextureFromPixmap;
- /* Find the requested X visual */
- visual = pScreen->visuals;
- for (i = 0; i < pScreen->numVisuals; i++, visual++)
- if (visual->vid == glxConfig->visualID)
- break;
- if (i == pScreen->numVisuals)
- return NULL;
-
- context->hwContextID = FakeClientID(0);
-
- __glXenterServer(GL_FALSE);
- retval = DRICreateContext(baseScreen->pScreen, visual,
- context->hwContextID, &hwContext);
- __glXleaveServer(GL_FALSE);
-
- if (!retval)
- return NULL;
-
- context->driContext =
- screen->legacy->createNewContext(screen->driScreen,
- config->driConfig,
- 0, /* render type */
- driShare,
- hwContext,
- context);
-
- if (context->driContext == NULL) {
- __glXenterServer(GL_FALSE);
- retval = DRIDestroyContext(baseScreen->pScreen, context->hwContextID);
- __glXleaveServer(GL_FALSE);
- xfree(context);
- return NULL;
- }
-
- return &context->base;
-}
-
-static __GLXdrawable *
-__glXDRIscreenCreateDrawable(__GLXscreen *screen,
- DrawablePtr pDraw,
- int type,
- XID drawId,
- __GLXconfig *glxConfig)
-{
- __GLXDRIscreen *driScreen = (__GLXDRIscreen *) screen;
- __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
- __GLXDRIdrawable *private;
- GLboolean retval;
- drm_drawable_t hwDrawable;
-
- private = xcalloc(1, sizeof *private);
- if (private == NULL)
- return NULL;
-
- if (!__glXDrawableInit(&private->base, screen,
- pDraw, type, drawId, glxConfig)) {
- xfree(private);
- return NULL;
- }
-
- private->base.destroy = __glXDRIdrawableDestroy;
- private->base.swapBuffers = __glXDRIdrawableSwapBuffers;
- private->base.copySubBuffer = __glXDRIdrawableCopySubBuffer;
- private->base.waitX = NULL;
- private->base.waitGL = NULL;
-
- __glXenterServer(GL_FALSE);
- retval = DRICreateDrawable(screen->pScreen, serverClient,
- pDraw, &hwDrawable);
- __glXleaveServer(GL_FALSE);
-
- if (!retval) {
- xfree(private);
- return NULL;
- }
-
- /* The last argument is 'attrs', which is used with pbuffers which
- * we currently don't support. */
-
- private->driDrawable =
- (driScreen->legacy->createNewDrawable)(driScreen->driScreen,
- config->driConfig,
- hwDrawable, 0, NULL, private);
-
- if (private->driDrawable == NULL) {
- __glXenterServer(GL_FALSE);
- DRIDestroyDrawable(screen->pScreen, serverClient, pDraw);
- __glXleaveServer(GL_FALSE);
- xfree(private);
- return NULL;
- }
-
- return &private->base;
-}
-
-static GLboolean
-getDrawableInfo(__DRIdrawable *driDrawable,
- unsigned int *index, unsigned int *stamp,
- int *x, int *y, int *width, int *height,
- int *numClipRects, drm_clip_rect_t **ppClipRects,
- int *backX, int *backY,
- int *numBackClipRects, drm_clip_rect_t **ppBackClipRects,
- void *data)
-{
- __GLXDRIdrawable *drawable = data;
- ScreenPtr pScreen;
- drm_clip_rect_t *pClipRects, *pBackClipRects;
- GLboolean retval;
- size_t size;
-
- /* If the X window has been destroyed, give up here. */
- if (drawable->base.pDraw == NULL)
- return GL_FALSE;
-
- pScreen = drawable->base.pDraw->pScreen;
- __glXenterServer(GL_FALSE);
- retval = DRIGetDrawableInfo(pScreen, drawable->base.pDraw, index, stamp,
- x, y, width, height,
- numClipRects, &pClipRects,
- backX, backY,
- numBackClipRects, &pBackClipRects);
- __glXleaveServer(GL_FALSE);
-
- if (retval && *numClipRects > 0) {
- size = sizeof (drm_clip_rect_t) * *numClipRects;
- *ppClipRects = xalloc (size);
-
- /* Clip cliprects to screen dimensions (redirected windows) */
- if (*ppClipRects != NULL) {
- int i, j;
-
- for (i = 0, j = 0; i < *numClipRects; i++) {
- (*ppClipRects)[j].x1 = max(pClipRects[i].x1, 0);
- (*ppClipRects)[j].y1 = max(pClipRects[i].y1, 0);
- (*ppClipRects)[j].x2 = min(pClipRects[i].x2, pScreen->width);
- (*ppClipRects)[j].y2 = min(pClipRects[i].y2, pScreen->height);
-
- if ((*ppClipRects)[j].x1 < (*ppClipRects)[j].x2 &&
- (*ppClipRects)[j].y1 < (*ppClipRects)[j].y2) {
- j++;
- }
- }
-
- if (*numClipRects != j) {
- *numClipRects = j;
- *ppClipRects = xrealloc (*ppClipRects,
- sizeof (drm_clip_rect_t) *
- *numClipRects);
- }
- } else
- *numClipRects = 0;
- }
- else {
- *ppClipRects = NULL;
- *numClipRects = 0;
- }
-
- if (retval && *numBackClipRects > 0) {
- size = sizeof (drm_clip_rect_t) * *numBackClipRects;
- *ppBackClipRects = xalloc (size);
- if (*ppBackClipRects != NULL)
- memcpy (*ppBackClipRects, pBackClipRects, size);
- else
- *numBackClipRects = 0;
- }
- else {
- *ppBackClipRects = NULL;
- *numBackClipRects = 0;
- }
-
- return retval;
-}
-
-static void __glXReportDamage(__DRIdrawable *driDraw,
- int x, int y,
- drm_clip_rect_t *rects, int num_rects,
- GLboolean front_buffer,
- void *data)
-{
- __GLXDRIdrawable *drawable = data;
- DrawablePtr pDraw = drawable->base.pDraw;
- RegionRec region;
-
- __glXenterServer(GL_FALSE);
-
- REGION_INIT(pDraw->pScreen, &region, (BoxPtr) rects, num_rects);
- REGION_TRANSLATE(pScreen, &region, pDraw->x, pDraw->y);
- DamageRegionAppend(pDraw, &region);
- /* This is wrong, this needs a seperate function. */
- DamageRegionProcessPending(pDraw);
- REGION_UNINIT(pDraw->pScreen, &region);
-
- __glXleaveServer(GL_FALSE);
-}
-
-static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = {
- { __DRI_GET_DRAWABLE_INFO, __DRI_GET_DRAWABLE_INFO_VERSION },
- getDrawableInfo
-};
-
-static const __DRIdamageExtension damageExtension = {
- { __DRI_DAMAGE, __DRI_DAMAGE_VERSION },
- __glXReportDamage,
-};
-
-static const __DRIextension *loader_extensions[] = {
- &systemTimeExtension.base,
- &getDrawableInfoExtension.base,
- &damageExtension.base,
- NULL
-};
-
-
-
-static const char dri_driver_path[] = DRI_DRIVER_PATH;
-
-static Bool
-glxDRIEnterVT (int index, int flags)
-{
- __GLXDRIscreen *screen = (__GLXDRIscreen *)
- glxGetScreen(screenInfo.screens[index]);
-
- LogMessage(X_INFO, "AIGLX: Resuming AIGLX clients after VT switch\n");
-
- if (!(*screen->enterVT) (index, flags))
- return FALSE;
-
- glxResumeClients();
-
- return TRUE;
-}
-
-static void
-glxDRILeaveVT (int index, int flags)
-{
- __GLXDRIscreen *screen = (__GLXDRIscreen *)
- glxGetScreen(screenInfo.screens[index]);
-
- LogMessage(X_INFO, "AIGLX: Suspending AIGLX clients for VT switch\n");
-
- glxSuspendClients();
-
- return (*screen->leaveVT) (index, flags);
-}
-
-static void
-initializeExtensions(__GLXDRIscreen *screen)
-{
- const __DRIextension **extensions;
- int i;
-
- extensions = screen->core->getExtensions(screen->driScreen);
-
- for (i = 0; extensions[i]; i++) {
-#ifdef __DRI_READ_DRAWABLE
- if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) {
- __glXEnableExtension(screen->glx_enable_bits,
- "GLX_SGI_make_current_read");
-
- LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_make_current_read\n");
- }
-#endif
-
-#ifdef __DRI_COPY_SUB_BUFFER
- if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
- screen->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i];
- __glXEnableExtension(screen->glx_enable_bits,
- "GLX_MESA_copy_sub_buffer");
-
- LogMessage(X_INFO, "AIGLX: enabled GLX_MESA_copy_sub_buffer\n");
- }
-#endif
-
-#ifdef __DRI_SWAP_CONTROL
- if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) {
- screen->swapControl = (__DRIswapControlExtension *) extensions[i];
- __glXEnableExtension(screen->glx_enable_bits,
- "GLX_SGI_swap_control");
- __glXEnableExtension(screen->glx_enable_bits,
- "GLX_MESA_swap_control");
-
- LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control\n");
- }
-#endif
-
-#ifdef __DRI_TEX_OFFSET
- if (strcmp(extensions[i]->name, __DRI_TEX_OFFSET) == 0) {
- screen->texOffset = (__DRItexOffsetExtension *) extensions[i];
- LogMessage(X_INFO, "AIGLX: enabled GLX_texture_from_pixmap with driver support\n");
- }
-#endif
- /* Ignore unknown extensions */
- }
-}
-
-extern __GLXconfig *
-glxConvertConfigs(const __DRIcoreExtension *core, const __DRIconfig **configs);
-
-static __GLXscreen *
-__glXDRIscreenProbe(ScreenPtr pScreen)
-{
- drm_handle_t hSAREA;
- drmAddress pSAREA = NULL;
- char *BusID;
- __DRIversion ddx_version;
- __DRIversion dri_version;
- __DRIversion drm_version;
- __DRIframebuffer framebuffer;
- int fd = -1;
- int status;
- drm_magic_t magic;
- drmVersionPtr version;
- int newlyopened;
- char *driverName;
- drm_handle_t hFB;
- int junk;
- __GLXDRIscreen *screen;
- char filename[128];
- Bool isCapable;
- size_t buffer_size;
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- const __DRIconfig **driConfigs;
- const __DRIextension **extensions;
- int i;
-
- if (!xf86LoaderCheckSymbol("DRIQueryDirectRenderingCapable") ||
- !DRIQueryDirectRenderingCapable(pScreen, &isCapable) ||
- !isCapable) {
- LogMessage(X_INFO,
- "AIGLX: Screen %d is not DRI capable\n", pScreen->myNum);
- return NULL;
- }
-
- screen = xcalloc(1, sizeof *screen);
- if (screen == NULL)
- return NULL;
-
- screen->base.destroy = __glXDRIscreenDestroy;
- screen->base.createContext = __glXDRIscreenCreateContext;
- screen->base.createDrawable = __glXDRIscreenCreateDrawable;
- screen->base.swapInterval = __glXDRIdrawableSwapInterval;
- screen->base.pScreen = pScreen;
-
- __glXInitExtensionEnableBits(screen->glx_enable_bits);
-
- /* DRI protocol version. */
- dri_version.major = XF86DRI_MAJOR_VERSION;
- dri_version.minor = XF86DRI_MINOR_VERSION;
- dri_version.patch = XF86DRI_PATCH_VERSION;
-
- if (!DRIOpenConnection(pScreen, &hSAREA, &BusID)) {
- LogMessage(X_ERROR, "AIGLX error: DRIOpenConnection failed\n");
- goto handle_error;
- }
-
- fd = drmOpenOnce(NULL, BusID, &newlyopened);
-
- if (fd < 0) {
- LogMessage(X_ERROR, "AIGLX error: drmOpenOnce failed (%s)\n",
- strerror(-fd));
- goto handle_error;
- }
-
- if (drmGetMagic(fd, &magic)) {
- LogMessage(X_ERROR, "AIGLX error: drmGetMagic failed\n");
- goto handle_error;
- }
-
- version = drmGetVersion(fd);
- if (version) {
- drm_version.major = version->version_major;
- drm_version.minor = version->version_minor;
- drm_version.patch = version->version_patchlevel;
- drmFreeVersion(version);
- }
- else {
- drm_version.major = -1;
- drm_version.minor = -1;
- drm_version.patch = -1;
- }
-
- if (newlyopened && !DRIAuthConnection(pScreen, magic)) {
- LogMessage(X_ERROR, "AIGLX error: DRIAuthConnection failed\n");
- goto handle_error;
- }
-
- /* Get device name (like "tdfx") and the ddx version numbers.
- * We'll check the version in each DRI driver's "createNewScreen"
- * function. */
- if (!DRIGetClientDriverName(pScreen,
- &ddx_version.major,
- &ddx_version.minor,
- &ddx_version.patch,
- &driverName)) {
- LogMessage(X_ERROR, "AIGLX error: DRIGetClientDriverName failed\n");
- goto handle_error;
- }
-
- snprintf(filename, sizeof filename, "%s/%s_dri.so",
- dri_driver_path, driverName);
-
- screen->driver = dlopen(filename, RTLD_LAZY | RTLD_LOCAL);
- if (screen->driver == NULL) {
- LogMessage(X_ERROR, "AIGLX error: dlopen of %s failed (%s)\n",
- filename, dlerror());
- goto handle_error;
- }
-
- extensions = dlsym(screen->driver, __DRI_DRIVER_EXTENSIONS);
- if (extensions == NULL) {
- LogMessage(X_ERROR, "AIGLX error: %s exports no extensions (%s)\n",
- driverName, dlerror());
- goto handle_error;
- }
-
- for (i = 0; extensions[i]; i++) {
- if (strcmp(extensions[i]->name, __DRI_CORE) == 0 &&
- extensions[i]->version >= __DRI_CORE_VERSION) {
- screen->core = (__DRIcoreExtension *) extensions[i];
- }
-
- if (strcmp(extensions[i]->name, __DRI_LEGACY) == 0 &&
- extensions[i]->version >= __DRI_LEGACY_VERSION) {
- screen->legacy = (__DRIlegacyExtension *) extensions[i];
- }
- }
-
- if (screen->core == NULL || screen->legacy == NULL) {
- LogMessage(X_ERROR,
- "AIGLX error: %s does not export required DRI extension\n",
- driverName);
- goto handle_error;
- }
-
- /*
- * Get device-specific info. pDevPriv will point to a struct
- * (such as DRIRADEONRec in xfree86/driver/ati/radeon_dri.h) that
- * has information about the screen size, depth, pitch, ancilliary
- * buffers, DRM mmap handles, etc.
- */
- if (!DRIGetDeviceInfo(pScreen, &hFB, &junk,
- &framebuffer.size, &framebuffer.stride,
- &framebuffer.dev_priv_size, &framebuffer.dev_priv)) {
- LogMessage(X_ERROR, "AIGLX error: XF86DRIGetDeviceInfo failed\n");
- goto handle_error;
- }
-
- framebuffer.width = pScreen->width;
- framebuffer.height = pScreen->height;
-
- /* Map the framebuffer region. */
- status = drmMap(fd, hFB, framebuffer.size,
- (drmAddressPtr)&framebuffer.base);
- if (status != 0) {
- LogMessage(X_ERROR, "AIGLX error: drmMap of framebuffer failed (%s)\n",
- strerror(-status));
- goto handle_error;
- }
-
- /* Map the SAREA region. Further mmap regions may be setup in
- * each DRI driver's "createNewScreen" function.
- */
- status = drmMap(fd, hSAREA, SAREA_MAX, &pSAREA);
- if (status != 0) {
- LogMessage(X_ERROR, "AIGLX error: drmMap of SAREA failed (%s)\n",
- strerror(-status));
- goto handle_error;
- }
-
- screen->driScreen =
- (*screen->legacy->createNewScreen)(pScreen->myNum,
- &ddx_version,
- &dri_version,
- &drm_version,
- &framebuffer,
- pSAREA,
- fd,
- loader_extensions,
- &driConfigs,
- screen);
-
- if (screen->driScreen == NULL) {
- LogMessage(X_ERROR,
- "AIGLX error: Calling driver entry point failed\n");
- goto handle_error;
- }
-
- screen->base.fbconfigs = glxConvertConfigs(screen->core, driConfigs);
-
- initializeExtensions(screen);
-
- DRIGetTexOffsetFuncs(pScreen, &screen->texOffsetStart,
- &screen->texOffsetFinish);
-
- __glXScreenInit(&screen->base, pScreen);
-
- /* The first call simply determines the length of the extension string.
- * This allows us to allocate some memory to hold the extension string,
- * but it requires that we call __glXGetExtensionString a second time.
- */
- buffer_size = __glXGetExtensionString(screen->glx_enable_bits, NULL);
- if (buffer_size > 0) {
- if (screen->base.GLXextensions != NULL) {
- xfree(screen->base.GLXextensions);
- }
-
- screen->base.GLXextensions = xnfalloc(buffer_size);
- (void) __glXGetExtensionString(screen->glx_enable_bits,
- screen->base.GLXextensions);
- }
-
- __glXsetEnterLeaveServerFuncs(__glXDRIenterServer, __glXDRIleaveServer);
-
- screen->enterVT = pScrn->EnterVT;
- pScrn->EnterVT = glxDRIEnterVT;
- screen->leaveVT = pScrn->LeaveVT;
- pScrn->LeaveVT = glxDRILeaveVT;
-
- LogMessage(X_INFO,
- "AIGLX: Loaded and initialized %s\n", filename);
-
- return &screen->base;
-
- handle_error:
- if (pSAREA != NULL)
- drmUnmap(pSAREA, SAREA_MAX);
-
- if (framebuffer.base != NULL)
- drmUnmap((drmAddress)framebuffer.base, framebuffer.size);
-
- if (fd >= 0)
- drmCloseOnce(fd);
-
- DRICloseConnection(pScreen);
-
- if (screen->driver)
- dlclose(screen->driver);
-
- xfree(screen);
-
- LogMessage(X_ERROR, "AIGLX: reverting to software rendering\n");
-
- return NULL;
-}
-
-_X_EXPORT __GLXprovider __glXDRIProvider = {
- __glXDRIscreenProbe,
- "DRI",
- NULL
-};
+/*
+ * Copyright © 2006 Red Hat, Inc
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of Red Hat,
+ * Inc not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc makes no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL RED HAT, INC BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#ifndef _MSC_VER
+#include <sys/time.h>
+#include <dlfcn.h>
+
+#include <drm.h>
+#endif
+
+#include <GL/gl.h>
+#include <GL/internal/dri_interface.h>
+
+#include <windowstr.h>
+#include <os.h>
+#include <damage.h>
+
+#define _XF86DRI_SERVER_
+#include <drm_sarea.h>
+#include <xf86drm.h>
+#include <X11/dri/xf86driproto.h>
+#include <xf86str.h>
+#include <xf86.h>
+#include <dri.h>
+
+#include "servermd.h"
+
+#define DRI_NEW_INTERFACE_ONLY
+#include "glxserver.h"
+#include "glxutil.h"
+#include "glxdricommon.h"
+
+#include "g_disptab.h"
+#include "glapitable.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "dispatch.h"
+#include "extension_string.h"
+
+typedef struct __GLXDRIscreen __GLXDRIscreen;
+typedef struct __GLXDRIcontext __GLXDRIcontext;
+typedef struct __GLXDRIdrawable __GLXDRIdrawable;
+
+struct __GLXDRIscreen {
+ __GLXscreen base;
+ __DRIscreen *driScreen;
+ void *driver;
+
+ xf86EnterVTProc *enterVT;
+ xf86LeaveVTProc *leaveVT;
+
+ const __DRIcoreExtension *core;
+ const __DRIlegacyExtension *legacy;
+ const __DRIcopySubBufferExtension *copySubBuffer;
+ const __DRIswapControlExtension *swapControl;
+
+#ifdef __DRI_TEX_OFFSET
+ const __DRItexOffsetExtension *texOffset;
+ DRITexOffsetStartProcPtr texOffsetStart;
+ DRITexOffsetFinishProcPtr texOffsetFinish;
+ __GLXDRIdrawable *texOffsetOverride[16];
+ GLuint lastTexOffsetOverride;
+#endif
+
+ unsigned char glx_enable_bits[__GLX_EXT_BYTES];
+};
+
+struct __GLXDRIcontext {
+ __GLXcontext base;
+ __DRIcontext *driContext;
+ XID hwContextID;
+};
+
+struct __GLXDRIdrawable {
+ __GLXdrawable base;
+ __DRIdrawable *driDrawable;
+
+ /* Pulled in from old __GLXpixmap */
+#ifdef __DRI_TEX_OFFSET
+ GLint texname;
+ __GLXDRIcontext *ctx;
+ unsigned long long offset;
+ DamagePtr pDamage;
+#endif
+};
+
+static void
+__glXDRIleaveServer(GLboolean rendering)
+{
+ int i;
+
+ for (i = 0; rendering && i < screenInfo.numScreens; i++) {
+ __GLXDRIscreen * const screen =
+ (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]);
+ GLuint lastOverride = screen->lastTexOffsetOverride;
+
+ if (lastOverride) {
+ __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
+ int j;
+
+ for (j = 0; j < lastOverride; j++) {
+ __GLXDRIdrawable *pGlxPix = texOffsetOverride[j];
+
+ if (pGlxPix && pGlxPix->texname) {
+ pGlxPix->offset =
+ screen->texOffsetStart((PixmapPtr)pGlxPix->base.pDraw);
+ }
+ }
+ }
+ }
+
+ DRIBlockHandler(NULL, NULL, NULL);
+
+ for (i = 0; rendering && i < screenInfo.numScreens; i++) {
+ __GLXDRIscreen * const screen =
+ (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]);
+ GLuint lastOverride = screen->lastTexOffsetOverride;
+
+ if (lastOverride) {
+ __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
+ int j;
+
+ for (j = 0; j < lastOverride; j++) {
+ __GLXDRIdrawable *pGlxPix = texOffsetOverride[j];
+
+ if (pGlxPix && pGlxPix->texname) {
+ screen->texOffset->setTexOffset(pGlxPix->ctx->driContext,
+ pGlxPix->texname,
+ pGlxPix->offset,
+ pGlxPix->base.pDraw->depth,
+ ((PixmapPtr)pGlxPix->base.pDraw)->devKind);
+ }
+ }
+ }
+ }
+}
+
+static void
+__glXDRIenterServer(GLboolean rendering)
+{
+ int i;
+
+ for (i = 0; rendering && i < screenInfo.numScreens; i++) {
+ __GLXDRIscreen * const screen = (__GLXDRIscreen *)
+ glxGetScreen(screenInfo.screens[i]);
+
+ if (screen->lastTexOffsetOverride) {
+ CALL_Flush(GET_DISPATCH(), ());
+ break;
+ }
+ }
+
+ DRIWakeupHandler(NULL, 0, NULL);
+}
+
+
+static void
+__glXDRIdoReleaseTexImage(__GLXDRIscreen *screen, __GLXDRIdrawable *drawable)
+{
+ GLuint lastOverride = screen->lastTexOffsetOverride;
+
+ if (lastOverride) {
+ __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
+ int i;
+
+ for (i = 0; i < lastOverride; i++) {
+ if (texOffsetOverride[i] == drawable) {
+ if (screen->texOffsetFinish)
+ screen->texOffsetFinish((PixmapPtr)drawable->base.pDraw);
+
+ texOffsetOverride[i] = NULL;
+
+ if (i + 1 == lastOverride) {
+ lastOverride = 0;
+
+ while (i--) {
+ if (texOffsetOverride[i]) {
+ lastOverride = i + 1;
+ break;
+ }
+ }
+
+ screen->lastTexOffsetOverride = lastOverride;
+
+ break;
+ }
+ }
+ }
+ }
+}
+
+
+static void
+__glXDRIdrawableDestroy(__GLXdrawable *drawable)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
+ __GLXDRIscreen *screen;
+ int i;
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ screen = (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]);
+ __glXDRIdoReleaseTexImage(screen, private);
+ }
+
+ /* If the X window was destroyed, the dri DestroyWindow hook will
+ * aready have taken care of this, so only call if pDraw isn't NULL. */
+ if (drawable->pDraw != NULL) {
+ screen = (__GLXDRIscreen *) glxGetScreen(drawable->pDraw->pScreen);
+ (*screen->core->destroyDrawable)(private->driDrawable);
+
+ __glXenterServer(GL_FALSE);
+ DRIDestroyDrawable(drawable->pDraw->pScreen,
+ serverClient, drawable->pDraw);
+ __glXleaveServer(GL_FALSE);
+ }
+
+ __glXDrawableRelease(drawable);
+
+ xfree(private);
+}
+
+static GLboolean
+__glXDRIdrawableSwapBuffers(ClientPtr client, __GLXdrawable *basePrivate)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
+ __GLXDRIscreen *screen =
+ (__GLXDRIscreen *) glxGetScreen(basePrivate->pDraw->pScreen);
+
+ (*screen->core->swapBuffers)(private->driDrawable);
+
+ return TRUE;
+}
+
+
+static int
+__glXDRIdrawableSwapInterval(__GLXdrawable *baseDrawable, int interval)
+{
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseDrawable;
+ __GLXDRIscreen *screen =
+ (__GLXDRIscreen *) glxGetScreen(baseDrawable->pDraw->pScreen);
+
+ if (screen->swapControl)
+ screen->swapControl->setSwapInterval(draw->driDrawable, interval);
+
+ return 0;
+}
+
+
+static void
+__glXDRIdrawableCopySubBuffer(__GLXdrawable *basePrivate,
+ int x, int y, int w, int h)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *)
+ glxGetScreen(basePrivate->pDraw->pScreen);
+
+ if (screen->copySubBuffer)
+ screen->copySubBuffer->copySubBuffer(private->driDrawable, x, y, w, h);
+}
+
+static void
+__glXDRIcontextDestroy(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+ Bool retval;
+
+ screen->core->destroyContext(context->driContext);
+
+ __glXenterServer(GL_FALSE);
+ retval = DRIDestroyContext(baseContext->pGlxScreen->pScreen,
+ context->hwContextID);
+ __glXleaveServer(GL_FALSE);
+
+ __glXContextDestroy(&context->base);
+ xfree(context);
+}
+
+static int
+__glXDRIcontextMakeCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
+ __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
+
+ return (*screen->core->bindContext)(context->driContext,
+ draw->driDrawable,
+ read->driDrawable);
+}
+
+static int
+__glXDRIcontextLoseCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+ return (*screen->core->unbindContext)(context->driContext);
+}
+
+static int
+__glXDRIcontextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc,
+ unsigned long mask)
+{
+ __GLXDRIcontext *dst = (__GLXDRIcontext *) baseDst;
+ __GLXDRIcontext *src = (__GLXDRIcontext *) baseSrc;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) dst->base.pGlxScreen;
+
+ return (*screen->core->copyContext)(dst->driContext,
+ src->driContext, mask);
+}
+
+static int
+__glXDRIcontextForceCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
+ __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+ return (*screen->core->bindContext)(context->driContext,
+ draw->driDrawable,
+ read->driDrawable);
+}
+
+static void
+glxFillAlphaChannel (CARD32 *pixels, CARD32 rowstride, int width, int height)
+{
+ int i;
+ CARD32 *p, *end;
+
+ rowstride /= 4;
+
+ for (i = 0; i < height; i++)
+ {
+ p = pixels;
+ end = p + width;
+ while (p < end)
+ *p++ |= 0xFF000000;
+ pixels += rowstride;
+ }
+}
+
+static Bool
+testTexOffset(__GLXDRIscreen * const screen, PixmapPtr pPixmap)
+{
+ Bool ret;
+
+ if (!screen->texOffsetStart || !screen->texOffset)
+ return FALSE;
+
+ __glXenterServer(GL_FALSE);
+ ret = screen->texOffsetStart(pPixmap) != ~0ULL;
+ __glXleaveServer(GL_FALSE);
+
+ return ret;
+}
+
+/*
+ * (sticking this here for lack of a better place)
+ * Known issues with the GLX_EXT_texture_from_pixmap implementation:
+ * - In general we ignore the fbconfig, lots of examples follow
+ * - No fbconfig handling for multiple mipmap levels
+ * - No fbconfig handling for 1D textures
+ * - No fbconfig handling for TEXTURE_TARGET
+ * - No fbconfig exposure of Y inversion state
+ * - No GenerateMipmapEXT support (due to no FBO support)
+ * - No support for anything but 16bpp and 32bpp-sparse pixmaps
+ */
+
+static int
+__glXDRIbindTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *glxPixmap)
+{
+ RegionPtr pRegion = NULL;
+ PixmapPtr pixmap;
+ int bpp, override = 0, texname;
+ GLenum format, type;
+ ScreenPtr pScreen = glxPixmap->pDraw->pScreen;
+ __GLXDRIdrawable *driDraw = (__GLXDRIdrawable *) glxPixmap;
+ __GLXDRIscreen * const screen = (__GLXDRIscreen *) glxGetScreen(pScreen);
+
+ CALL_GetIntegerv(GET_DISPATCH(), (glxPixmap->target == GL_TEXTURE_2D ?
+ GL_TEXTURE_BINDING_2D :
+ GL_TEXTURE_BINDING_RECTANGLE_NV,
+ &texname));
+
+ if (!texname)
+ return __glXError(GLXBadContextState);
+
+ pixmap = (PixmapPtr) glxPixmap->pDraw;
+
+ if (testTexOffset(screen, pixmap)) {
+ __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride;
+ int i, firstEmpty = 16;
+
+ for (i = 0; i < 16; i++) {
+ if (texOffsetOverride[i] == driDraw)
+ goto alreadyin;
+
+ if (firstEmpty == 16 && !texOffsetOverride[i])
+ firstEmpty = i;
+ }
+
+ if (firstEmpty == 16) {
+ ErrorF("%s: Failed to register texture offset override\n", __func__);
+ goto nooverride;
+ }
+
+ if (firstEmpty >= screen->lastTexOffsetOverride)
+ screen->lastTexOffsetOverride = firstEmpty + 1;
+
+ texOffsetOverride[firstEmpty] = driDraw;
+
+alreadyin:
+ override = 1;
+
+ driDraw->ctx = (__GLXDRIcontext*)baseContext;
+
+ if (texname == driDraw->texname)
+ return Success;
+
+ driDraw->texname = texname;
+
+ screen->texOffset->setTexOffset(driDraw->ctx->driContext, texname, 0,
+ pixmap->drawable.depth,
+ pixmap->devKind);
+ }
+nooverride:
+
+ if (!driDraw->pDamage) {
+ if (!override) {
+ driDraw->pDamage = DamageCreate(NULL, NULL, DamageReportNone,
+ TRUE, pScreen, NULL);
+ if (!driDraw->pDamage)
+ return BadAlloc;
+
+ DamageRegister ((DrawablePtr) pixmap, driDraw->pDamage);
+ }
+
+ pRegion = NULL;
+ } else {
+ pRegion = DamageRegion(driDraw->pDamage);
+ if (REGION_NIL(pRegion))
+ return Success;
+ }
+
+ /* XXX 24bpp packed, 8, etc */
+ if (pixmap->drawable.depth >= 24) {
+ bpp = 4;
+ format = GL_BGRA;
+ type =
+#if X_BYTE_ORDER == X_BIG_ENDIAN
+ !override ? GL_UNSIGNED_INT_8_8_8_8_REV :
+#endif
+ GL_UNSIGNED_BYTE;
+ } else {
+ bpp = 2;
+ format = GL_RGB;
+ type = GL_UNSIGNED_SHORT_5_6_5;
+ }
+
+ if (pRegion == NULL)
+ {
+ void *data = NULL;
+
+ if (!override) {
+ unsigned pitch = PixmapBytePad(pixmap->drawable.width,
+ pixmap->drawable.depth);
+
+ data = xalloc(pitch * pixmap->drawable.height);
+
+ __glXenterServer(GL_FALSE);
+ pScreen->GetImage(&pixmap->drawable, 0 /*pixmap->drawable.x*/,
+ 0 /*pixmap->drawable.y*/, pixmap->drawable.width,
+ pixmap->drawable.height, ZPixmap, ~0, data);
+ __glXleaveServer(GL_FALSE);
+
+ if (pixmap->drawable.depth == 24)
+ glxFillAlphaChannel(data,
+ pitch,
+ pixmap->drawable.width,
+ pixmap->drawable.height);
+
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH,
+ pitch / bpp) );
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) );
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) );
+ }
+
+ CALL_TexImage2D( GET_DISPATCH(),
+ (glxPixmap->target,
+ 0,
+ bpp == 4 ? 4 : 3,
+ pixmap->drawable.width,
+ pixmap->drawable.height,
+ 0,
+ format,
+ type,
+ data) );
+
+ xfree(data);
+ } else if (!override) {
+ int i, numRects;
+ BoxPtr p;
+
+ numRects = REGION_NUM_RECTS (pRegion);
+ p = REGION_RECTS (pRegion);
+
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) );
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) );
+
+ for (i = 0; i < numRects; i++)
+ {
+ unsigned pitch = PixmapBytePad(p[i].x2 - p[i].x1,
+ pixmap->drawable.depth);
+ void *data = xalloc(pitch * (p[i].y2 - p[i].y1));
+
+ __glXenterServer(GL_FALSE);
+ pScreen->GetImage(&pixmap->drawable, /*pixmap->drawable.x +*/ p[i].x1,
+ /*pixmap->drawable.y*/ + p[i].y1, p[i].x2 - p[i].x1,
+ p[i].y2 - p[i].y1, ZPixmap, ~0, data);
+ __glXleaveServer(GL_FALSE);
+
+ if (pixmap->drawable.depth == 24)
+ glxFillAlphaChannel(data,
+ pitch,
+ p[i].x2 - p[i].x1,
+ p[i].y2 - p[i].y1);
+
+ CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH,
+ pitch / bpp) );
+
+ CALL_TexSubImage2D( GET_DISPATCH(),
+ (glxPixmap->target,
+ 0,
+ p[i].x1, p[i].y1,
+ p[i].x2 - p[i].x1, p[i].y2 - p[i].y1,
+ format,
+ type,
+ data) );
+
+ xfree(data);
+ }
+ }
+
+ if (!override)
+ DamageEmpty(driDraw->pDamage);
+
+ return Success;
+}
+
+static int
+__glXDRIreleaseTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *pixmap)
+{
+ __GLXDRIscreen *screen =
+ (__GLXDRIscreen *) glxGetScreen(pixmap->pDraw->pScreen);
+ __GLXDRIdrawable *drawable = (__GLXDRIdrawable *) pixmap;
+
+ __glXDRIdoReleaseTexImage(screen, drawable);
+
+ return Success;
+}
+
+static __GLXtextureFromPixmap __glXDRItextureFromPixmap = {
+ __glXDRIbindTexImage,
+ __glXDRIreleaseTexImage
+};
+
+static void
+__glXDRIscreenDestroy(__GLXscreen *baseScreen)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
+
+ screen->core->destroyScreen(screen->driScreen);
+
+ dlclose(screen->driver);
+
+ __glXScreenDestroy(baseScreen);
+
+ xfree(screen);
+}
+
+static __GLXcontext *
+__glXDRIscreenCreateContext(__GLXscreen *baseScreen,
+ __GLXconfig *glxConfig,
+ __GLXcontext *baseShareContext)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
+ __GLXDRIcontext *context, *shareContext;
+ __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
+ VisualPtr visual;
+ int i;
+ GLboolean retval;
+ __DRIcontext *driShare;
+ drm_context_t hwContext;
+ ScreenPtr pScreen = baseScreen->pScreen;
+
+ shareContext = (__GLXDRIcontext *) baseShareContext;
+ if (shareContext)
+ driShare = shareContext->driContext;
+ else
+ driShare = NULL;
+
+ if (baseShareContext && baseShareContext->isDirect)
+ return NULL;
+
+ context = xcalloc(1, sizeof *context);
+ if (context == NULL)
+ return NULL;
+
+ context->base.destroy = __glXDRIcontextDestroy;
+ context->base.makeCurrent = __glXDRIcontextMakeCurrent;
+ context->base.loseCurrent = __glXDRIcontextLoseCurrent;
+ context->base.copy = __glXDRIcontextCopy;
+ context->base.forceCurrent = __glXDRIcontextForceCurrent;
+
+ context->base.textureFromPixmap = &__glXDRItextureFromPixmap;
+ /* Find the requested X visual */
+ visual = pScreen->visuals;
+ for (i = 0; i < pScreen->numVisuals; i++, visual++)
+ if (visual->vid == glxConfig->visualID)
+ break;
+ if (i == pScreen->numVisuals)
+ return NULL;
+
+ context->hwContextID = FakeClientID(0);
+
+ __glXenterServer(GL_FALSE);
+ retval = DRICreateContext(baseScreen->pScreen, visual,
+ context->hwContextID, &hwContext);
+ __glXleaveServer(GL_FALSE);
+
+ if (!retval)
+ return NULL;
+
+ context->driContext =
+ screen->legacy->createNewContext(screen->driScreen,
+ config->driConfig,
+ 0, /* render type */
+ driShare,
+ hwContext,
+ context);
+
+ if (context->driContext == NULL) {
+ __glXenterServer(GL_FALSE);
+ retval = DRIDestroyContext(baseScreen->pScreen, context->hwContextID);
+ __glXleaveServer(GL_FALSE);
+ xfree(context);
+ return NULL;
+ }
+
+ return &context->base;
+}
+
+static __GLXdrawable *
+__glXDRIscreenCreateDrawable(__GLXscreen *screen,
+ DrawablePtr pDraw,
+ int type,
+ XID drawId,
+ __GLXconfig *glxConfig)
+{
+ __GLXDRIscreen *driScreen = (__GLXDRIscreen *) screen;
+ __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
+ __GLXDRIdrawable *private;
+ GLboolean retval;
+ drm_drawable_t hwDrawable;
+
+ private = xcalloc(1, sizeof *private);
+ if (private == NULL)
+ return NULL;
+
+ if (!__glXDrawableInit(&private->base, screen,
+ pDraw, type, drawId, glxConfig)) {
+ xfree(private);
+ return NULL;
+ }
+
+ private->base.destroy = __glXDRIdrawableDestroy;
+ private->base.swapBuffers = __glXDRIdrawableSwapBuffers;
+ private->base.copySubBuffer = __glXDRIdrawableCopySubBuffer;
+ private->base.waitX = NULL;
+ private->base.waitGL = NULL;
+
+ __glXenterServer(GL_FALSE);
+ retval = DRICreateDrawable(screen->pScreen, serverClient,
+ pDraw, &hwDrawable);
+ __glXleaveServer(GL_FALSE);
+
+ if (!retval) {
+ xfree(private);
+ return NULL;
+ }
+
+ /* The last argument is 'attrs', which is used with pbuffers which
+ * we currently don't support. */
+
+ private->driDrawable =
+ (driScreen->legacy->createNewDrawable)(driScreen->driScreen,
+ config->driConfig,
+ hwDrawable, 0, NULL, private);
+
+ if (private->driDrawable == NULL) {
+ __glXenterServer(GL_FALSE);
+ DRIDestroyDrawable(screen->pScreen, serverClient, pDraw);
+ __glXleaveServer(GL_FALSE);
+ xfree(private);
+ return NULL;
+ }
+
+ return &private->base;
+}
+
+static GLboolean
+getDrawableInfo(__DRIdrawable *driDrawable,
+ unsigned int *index, unsigned int *stamp,
+ int *x, int *y, int *width, int *height,
+ int *numClipRects, drm_clip_rect_t **ppClipRects,
+ int *backX, int *backY,
+ int *numBackClipRects, drm_clip_rect_t **ppBackClipRects,
+ void *data)
+{
+ __GLXDRIdrawable *drawable = data;
+ ScreenPtr pScreen;
+ drm_clip_rect_t *pClipRects, *pBackClipRects;
+ GLboolean retval;
+ size_t size;
+
+ /* If the X window has been destroyed, give up here. */
+ if (drawable->base.pDraw == NULL)
+ return GL_FALSE;
+
+ pScreen = drawable->base.pDraw->pScreen;
+ __glXenterServer(GL_FALSE);
+ retval = DRIGetDrawableInfo(pScreen, drawable->base.pDraw, index, stamp,
+ x, y, width, height,
+ numClipRects, &pClipRects,
+ backX, backY,
+ numBackClipRects, &pBackClipRects);
+ __glXleaveServer(GL_FALSE);
+
+ if (retval && *numClipRects > 0) {
+ size = sizeof (drm_clip_rect_t) * *numClipRects;
+ *ppClipRects = xalloc (size);
+
+ /* Clip cliprects to screen dimensions (redirected windows) */
+ if (*ppClipRects != NULL) {
+ int i, j;
+
+ for (i = 0, j = 0; i < *numClipRects; i++) {
+ (*ppClipRects)[j].x1 = max(pClipRects[i].x1, 0);
+ (*ppClipRects)[j].y1 = max(pClipRects[i].y1, 0);
+ (*ppClipRects)[j].x2 = min(pClipRects[i].x2, pScreen->width);
+ (*ppClipRects)[j].y2 = min(pClipRects[i].y2, pScreen->height);
+
+ if ((*ppClipRects)[j].x1 < (*ppClipRects)[j].x2 &&
+ (*ppClipRects)[j].y1 < (*ppClipRects)[j].y2) {
+ j++;
+ }
+ }
+
+ if (*numClipRects != j) {
+ *numClipRects = j;
+ *ppClipRects = xrealloc (*ppClipRects,
+ sizeof (drm_clip_rect_t) *
+ *numClipRects);
+ }
+ } else
+ *numClipRects = 0;
+ }
+ else {
+ *ppClipRects = NULL;
+ *numClipRects = 0;
+ }
+
+ if (retval && *numBackClipRects > 0) {
+ size = sizeof (drm_clip_rect_t) * *numBackClipRects;
+ *ppBackClipRects = xalloc (size);
+ if (*ppBackClipRects != NULL)
+ memcpy (*ppBackClipRects, pBackClipRects, size);
+ else
+ *numBackClipRects = 0;
+ }
+ else {
+ *ppBackClipRects = NULL;
+ *numBackClipRects = 0;
+ }
+
+ return retval;
+}
+
+static void __glXReportDamage(__DRIdrawable *driDraw,
+ int x, int y,
+ drm_clip_rect_t *rects, int num_rects,
+ GLboolean front_buffer,
+ void *data)
+{
+ __GLXDRIdrawable *drawable = data;
+ DrawablePtr pDraw = drawable->base.pDraw;
+ RegionRec region;
+
+ __glXenterServer(GL_FALSE);
+
+ REGION_INIT(pDraw->pScreen, &region, (BoxPtr) rects, num_rects);
+ REGION_TRANSLATE(pScreen, &region, pDraw->x, pDraw->y);
+ DamageRegionAppend(pDraw, &region);
+ /* This is wrong, this needs a seperate function. */
+ DamageRegionProcessPending(pDraw);
+ REGION_UNINIT(pDraw->pScreen, &region);
+
+ __glXleaveServer(GL_FALSE);
+}
+
+static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = {
+ { __DRI_GET_DRAWABLE_INFO, __DRI_GET_DRAWABLE_INFO_VERSION },
+ getDrawableInfo
+};
+
+static const __DRIdamageExtension damageExtension = {
+ { __DRI_DAMAGE, __DRI_DAMAGE_VERSION },
+ __glXReportDamage,
+};
+
+static const __DRIextension *loader_extensions[] = {
+ &systemTimeExtension.base,
+ &getDrawableInfoExtension.base,
+ &damageExtension.base,
+ NULL
+};
+
+
+
+static const char dri_driver_path[] = DRI_DRIVER_PATH;
+
+static Bool
+glxDRIEnterVT (int index, int flags)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *)
+ glxGetScreen(screenInfo.screens[index]);
+
+ LogMessage(X_INFO, "AIGLX: Resuming AIGLX clients after VT switch\n");
+
+ if (!(*screen->enterVT) (index, flags))
+ return FALSE;
+
+ glxResumeClients();
+
+ return TRUE;
+}
+
+static void
+glxDRILeaveVT (int index, int flags)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *)
+ glxGetScreen(screenInfo.screens[index]);
+
+ LogMessage(X_INFO, "AIGLX: Suspending AIGLX clients for VT switch\n");
+
+ glxSuspendClients();
+
+ return (*screen->leaveVT) (index, flags);
+}
+
+static void
+initializeExtensions(__GLXDRIscreen *screen)
+{
+ const __DRIextension **extensions;
+ int i;
+
+ extensions = screen->core->getExtensions(screen->driScreen);
+
+ for (i = 0; extensions[i]; i++) {
+#ifdef __DRI_READ_DRAWABLE
+ if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) {
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_SGI_make_current_read");
+
+ LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_make_current_read\n");
+ }
+#endif
+
+#ifdef __DRI_COPY_SUB_BUFFER
+ if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
+ screen->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i];
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_MESA_copy_sub_buffer");
+
+ LogMessage(X_INFO, "AIGLX: enabled GLX_MESA_copy_sub_buffer\n");
+ }
+#endif
+
+#ifdef __DRI_SWAP_CONTROL
+ if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) {
+ screen->swapControl = (__DRIswapControlExtension *) extensions[i];
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_SGI_swap_control");
+ __glXEnableExtension(screen->glx_enable_bits,
+ "GLX_MESA_swap_control");
+
+ LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control\n");
+ }
+#endif
+
+#ifdef __DRI_TEX_OFFSET
+ if (strcmp(extensions[i]->name, __DRI_TEX_OFFSET) == 0) {
+ screen->texOffset = (__DRItexOffsetExtension *) extensions[i];
+ LogMessage(X_INFO, "AIGLX: enabled GLX_texture_from_pixmap with driver support\n");
+ }
+#endif
+ /* Ignore unknown extensions */
+ }
+}
+
+extern __GLXconfig *
+glxConvertConfigs(const __DRIcoreExtension *core, const __DRIconfig **configs);
+
+static __GLXscreen *
+__glXDRIscreenProbe(ScreenPtr pScreen)
+{
+ drm_handle_t hSAREA;
+ drmAddress pSAREA = NULL;
+ char *BusID;
+ __DRIversion ddx_version;
+ __DRIversion dri_version;
+ __DRIversion drm_version;
+ __DRIframebuffer framebuffer;
+ int fd = -1;
+ int status;
+ drm_magic_t magic;
+ drmVersionPtr version;
+ int newlyopened;
+ char *driverName;
+ drm_handle_t hFB;
+ int junk;
+ __GLXDRIscreen *screen;
+ char filename[128];
+ Bool isCapable;
+ size_t buffer_size;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ const __DRIconfig **driConfigs;
+ const __DRIextension **extensions;
+ int i;
+
+ if (!xf86LoaderCheckSymbol("DRIQueryDirectRenderingCapable") ||
+ !DRIQueryDirectRenderingCapable(pScreen, &isCapable) ||
+ !isCapable) {
+ LogMessage(X_INFO,
+ "AIGLX: Screen %d is not DRI capable\n", pScreen->myNum);
+ return NULL;
+ }
+
+ screen = xcalloc(1, sizeof *screen);
+ if (screen == NULL)
+ return NULL;
+
+ screen->base.destroy = __glXDRIscreenDestroy;
+ screen->base.createContext = __glXDRIscreenCreateContext;
+ screen->base.createDrawable = __glXDRIscreenCreateDrawable;
+ screen->base.swapInterval = __glXDRIdrawableSwapInterval;
+ screen->base.pScreen = pScreen;
+
+ __glXInitExtensionEnableBits(screen->glx_enable_bits);
+
+ /* DRI protocol version. */
+ dri_version.major = XF86DRI_MAJOR_VERSION;
+ dri_version.minor = XF86DRI_MINOR_VERSION;
+ dri_version.patch = XF86DRI_PATCH_VERSION;
+
+ if (!DRIOpenConnection(pScreen, &hSAREA, &BusID)) {
+ LogMessage(X_ERROR, "AIGLX error: DRIOpenConnection failed\n");
+ goto handle_error;
+ }
+
+ fd = drmOpenOnce(NULL, BusID, &newlyopened);
+
+ if (fd < 0) {
+ LogMessage(X_ERROR, "AIGLX error: drmOpenOnce failed (%s)\n",
+ strerror(-fd));
+ goto handle_error;
+ }
+
+ if (drmGetMagic(fd, &magic)) {
+ LogMessage(X_ERROR, "AIGLX error: drmGetMagic failed\n");
+ goto handle_error;
+ }
+
+ version = drmGetVersion(fd);
+ if (version) {
+ drm_version.major = version->version_major;
+ drm_version.minor = version->version_minor;
+ drm_version.patch = version->version_patchlevel;
+ drmFreeVersion(version);
+ }
+ else {
+ drm_version.major = -1;
+ drm_version.minor = -1;
+ drm_version.patch = -1;
+ }
+
+ if (newlyopened && !DRIAuthConnection(pScreen, magic)) {
+ LogMessage(X_ERROR, "AIGLX error: DRIAuthConnection failed\n");
+ goto handle_error;
+ }
+
+ /* Get device name (like "tdfx") and the ddx version numbers.
+ * We'll check the version in each DRI driver's "createNewScreen"
+ * function. */
+ if (!DRIGetClientDriverName(pScreen,
+ &ddx_version.major,
+ &ddx_version.minor,
+ &ddx_version.patch,
+ &driverName)) {
+ LogMessage(X_ERROR, "AIGLX error: DRIGetClientDriverName failed\n");
+ goto handle_error;
+ }
+
+ snprintf(filename, sizeof filename, "%s/%s_dri.so",
+ dri_driver_path, driverName);
+
+ screen->driver = dlopen(filename, RTLD_LAZY | RTLD_LOCAL);
+ if (screen->driver == NULL) {
+ LogMessage(X_ERROR, "AIGLX error: dlopen of %s failed (%s)\n",
+ filename, dlerror());
+ goto handle_error;
+ }
+
+ extensions = dlsym(screen->driver, __DRI_DRIVER_EXTENSIONS);
+ if (extensions == NULL) {
+ LogMessage(X_ERROR, "AIGLX error: %s exports no extensions (%s)\n",
+ driverName, dlerror());
+ goto handle_error;
+ }
+
+ for (i = 0; extensions[i]; i++) {
+ if (strcmp(extensions[i]->name, __DRI_CORE) == 0 &&
+ extensions[i]->version >= __DRI_CORE_VERSION) {
+ screen->core = (__DRIcoreExtension *) extensions[i];
+ }
+
+ if (strcmp(extensions[i]->name, __DRI_LEGACY) == 0 &&
+ extensions[i]->version >= __DRI_LEGACY_VERSION) {
+ screen->legacy = (__DRIlegacyExtension *) extensions[i];
+ }
+ }
+
+ if (screen->core == NULL || screen->legacy == NULL) {
+ LogMessage(X_ERROR,
+ "AIGLX error: %s does not export required DRI extension\n",
+ driverName);
+ goto handle_error;
+ }
+
+ /*
+ * Get device-specific info. pDevPriv will point to a struct
+ * (such as DRIRADEONRec in xfree86/driver/ati/radeon_dri.h) that
+ * has information about the screen size, depth, pitch, ancilliary
+ * buffers, DRM mmap handles, etc.
+ */
+ if (!DRIGetDeviceInfo(pScreen, &hFB, &junk,
+ &framebuffer.size, &framebuffer.stride,
+ &framebuffer.dev_priv_size, &framebuffer.dev_priv)) {
+ LogMessage(X_ERROR, "AIGLX error: XF86DRIGetDeviceInfo failed\n");
+ goto handle_error;
+ }
+
+ framebuffer.width = pScreen->width;
+ framebuffer.height = pScreen->height;
+
+ /* Map the framebuffer region. */
+ status = drmMap(fd, hFB, framebuffer.size,
+ (drmAddressPtr)&framebuffer.base);
+ if (status != 0) {
+ LogMessage(X_ERROR, "AIGLX error: drmMap of framebuffer failed (%s)\n",
+ strerror(-status));
+ goto handle_error;
+ }
+
+ /* Map the SAREA region. Further mmap regions may be setup in
+ * each DRI driver's "createNewScreen" function.
+ */
+ status = drmMap(fd, hSAREA, SAREA_MAX, &pSAREA);
+ if (status != 0) {
+ LogMessage(X_ERROR, "AIGLX error: drmMap of SAREA failed (%s)\n",
+ strerror(-status));
+ goto handle_error;
+ }
+
+ screen->driScreen =
+ (*screen->legacy->createNewScreen)(pScreen->myNum,
+ &ddx_version,
+ &dri_version,
+ &drm_version,
+ &framebuffer,
+ pSAREA,
+ fd,
+ loader_extensions,
+ &driConfigs,
+ screen);
+
+ if (screen->driScreen == NULL) {
+ LogMessage(X_ERROR,
+ "AIGLX error: Calling driver entry point failed\n");
+ goto handle_error;
+ }
+
+ screen->base.fbconfigs = glxConvertConfigs(screen->core, driConfigs);
+
+ initializeExtensions(screen);
+
+ DRIGetTexOffsetFuncs(pScreen, &screen->texOffsetStart,
+ &screen->texOffsetFinish);
+
+ __glXScreenInit(&screen->base, pScreen);
+
+ /* The first call simply determines the length of the extension string.
+ * This allows us to allocate some memory to hold the extension string,
+ * but it requires that we call __glXGetExtensionString a second time.
+ */
+ buffer_size = __glXGetExtensionString(screen->glx_enable_bits, NULL);
+ if (buffer_size > 0) {
+ if (screen->base.GLXextensions != NULL) {
+ xfree(screen->base.GLXextensions);
+ }
+
+ screen->base.GLXextensions = xnfalloc(buffer_size);
+ (void) __glXGetExtensionString(screen->glx_enable_bits,
+ screen->base.GLXextensions);
+ }
+
+ __glXsetEnterLeaveServerFuncs(__glXDRIenterServer, __glXDRIleaveServer);
+
+ screen->enterVT = pScrn->EnterVT;
+ pScrn->EnterVT = glxDRIEnterVT;
+ screen->leaveVT = pScrn->LeaveVT;
+ pScrn->LeaveVT = glxDRILeaveVT;
+
+ LogMessage(X_INFO,
+ "AIGLX: Loaded and initialized %s\n", filename);
+
+ return &screen->base;
+
+ handle_error:
+ if (pSAREA != NULL)
+ drmUnmap(pSAREA, SAREA_MAX);
+
+ if (framebuffer.base != NULL)
+ drmUnmap((drmAddress)framebuffer.base, framebuffer.size);
+
+ if (fd >= 0)
+ drmCloseOnce(fd);
+
+ DRICloseConnection(pScreen);
+
+ if (screen->driver)
+ dlclose(screen->driver);
+
+ xfree(screen);
+
+ LogMessage(X_ERROR, "AIGLX: reverting to software rendering\n");
+
+ return NULL;
+}
+
+_X_EXPORT __GLXprovider __glXDRIProvider = {
+ __glXDRIscreenProbe,
+ "DRI",
+ NULL
+};
diff --git a/xorg-server/glx/glxdricommon.c b/xorg-server/glx/glxdricommon.c
index faaa3b7ae..028c77842 100644
--- a/xorg-server/glx/glxdricommon.c
+++ b/xorg-server/glx/glxdricommon.c
@@ -25,6 +25,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include <stdint.h>
@@ -47,12 +51,16 @@ getUST(int64_t *ust)
if (ust == NULL)
return -EFAULT;
+#ifdef _MSC_VER
+ __asm int 3;
+#else
if (gettimeofday(&tv, NULL) == 0) {
ust[0] = (tv.tv_sec * 1000000) + tv.tv_usec;
return 0;
} else {
return -errno;
}
+ #endif
}
const __DRIsystemTimeExtension systemTimeExtension = {
diff --git a/xorg-server/glx/glxdriswrast.c b/xorg-server/glx/glxdriswrast.c
index c647d83ca..cf6c5ada9 100644
--- a/xorg-server/glx/glxdriswrast.c
+++ b/xorg-server/glx/glxdriswrast.c
@@ -1,536 +1,568 @@
-/*
- * Copyright © 2008 George Sapountzis <gsap7@yahoo.gr>
- * Copyright © 2008 Red Hat, Inc
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without
- * fee, provided that the above copyright notice appear in all copies
- * and that both that copyright notice and this permission notice
- * appear in supporting documentation, and that the name of the
- * copyright holders not be used in advertising or publicity
- * pertaining to distribution of the software without specific,
- * written prior permission. The copyright holders make no
- * representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied
- * warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
- * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/time.h>
-#include <dlfcn.h>
-
-#include <GL/gl.h>
-#include <GL/internal/dri_interface.h>
-#include <GL/glxtokens.h>
-
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "gcstruct.h"
-#include "os.h"
-
-#include "glxserver.h"
-#include "glxutil.h"
-#include "glxdricommon.h"
-
-#include "g_disptab.h"
-#include "glapitable.h"
-#include "glapi.h"
-#include "glthread.h"
-#include "dispatch.h"
-#include "extension_string.h"
-
-/* RTLD_LOCAL is not defined on Cygwin */
-#ifdef __CYGWIN__
-#ifndef RTLD_LOCAL
-#define RTLD_LOCAL 0
-#endif
-#endif
-
-typedef struct __GLXDRIscreen __GLXDRIscreen;
-typedef struct __GLXDRIcontext __GLXDRIcontext;
-typedef struct __GLXDRIdrawable __GLXDRIdrawable;
-
-struct __GLXDRIscreen {
- __GLXscreen base;
- __DRIscreen *driScreen;
- void *driver;
-
- const __DRIcoreExtension *core;
- const __DRIswrastExtension *swrast;
- const __DRIcopySubBufferExtension *copySubBuffer;
- const __DRItexBufferExtension *texBuffer;
-};
-
-struct __GLXDRIcontext {
- __GLXcontext base;
- __DRIcontext *driContext;
-};
-
-struct __GLXDRIdrawable {
- __GLXdrawable base;
- __DRIdrawable *driDrawable;
- __GLXDRIscreen *screen;
-
- GCPtr gc; /* scratch GC for span drawing */
- GCPtr swapgc; /* GC for swapping the color buffers */
-};
-
-static void
-__glXDRIdrawableDestroy(__GLXdrawable *drawable)
-{
- __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
- const __DRIcoreExtension *core = private->screen->core;
-
- (*core->destroyDrawable)(private->driDrawable);
-
- FreeScratchGC(private->gc);
- FreeScratchGC(private->swapgc);
-
- __glXDrawableRelease(drawable);
-
- xfree(private);
-}
-
-static GLboolean
-__glXDRIdrawableSwapBuffers(ClientPtr client, __GLXdrawable *drawable)
-{
- __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
- const __DRIcoreExtension *core = private->screen->core;
-
- (*core->swapBuffers)(private->driDrawable);
-
- return TRUE;
-}
-
-static void
-__glXDRIdrawableCopySubBuffer(__GLXdrawable *basePrivate,
- int x, int y, int w, int h)
-{
- __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
- const __DRIcopySubBufferExtension *copySubBuffer =
- private->screen->copySubBuffer;
-
- if (copySubBuffer)
- (*copySubBuffer->copySubBuffer)(private->driDrawable, x, y, w, h);
-}
-
-static void
-__glXDRIcontextDestroy(__GLXcontext *baseContext)
-{
- __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
- __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
-
- (*screen->core->destroyContext)(context->driContext);
- __glXContextDestroy(&context->base);
- xfree(context);
-}
-
-static int
-__glXDRIcontextMakeCurrent(__GLXcontext *baseContext)
-{
- __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
- __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
- __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
- __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
-
- return (*screen->core->bindContext)(context->driContext,
- draw->driDrawable,
- read->driDrawable);
-}
-
-static int
-__glXDRIcontextLoseCurrent(__GLXcontext *baseContext)
-{
- __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
- __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
-
- return (*screen->core->unbindContext)(context->driContext);
-}
-
-static int
-__glXDRIcontextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc,
- unsigned long mask)
-{
- __GLXDRIcontext *dst = (__GLXDRIcontext *) baseDst;
- __GLXDRIcontext *src = (__GLXDRIcontext *) baseSrc;
- __GLXDRIscreen *screen = (__GLXDRIscreen *) dst->base.pGlxScreen;
-
- return (*screen->core->copyContext)(dst->driContext,
- src->driContext, mask);
-}
-
-static int
-__glXDRIcontextForceCurrent(__GLXcontext *baseContext)
-{
- __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
- __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
- __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
- __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
-
- return (*screen->core->bindContext)(context->driContext,
- draw->driDrawable,
- read->driDrawable);
-}
-
-#ifdef __DRI_TEX_BUFFER
-
-static int
-__glXDRIbindTexImage(__GLXcontext *baseContext,
- int buffer,
- __GLXdrawable *glxPixmap)
-{
- __GLXDRIdrawable *drawable = (__GLXDRIdrawable *) glxPixmap;
- const __DRItexBufferExtension *texBuffer = drawable->screen->texBuffer;
- __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
-
- if (texBuffer == NULL)
- return Success;
-
- texBuffer->setTexBuffer(context->driContext,
- glxPixmap->target,
- drawable->driDrawable);
-
- return Success;
-}
-
-static int
-__glXDRIreleaseTexImage(__GLXcontext *baseContext,
- int buffer,
- __GLXdrawable *pixmap)
-{
- /* FIXME: Just unbind the texture? */
- return Success;
-}
-
-#else
-
-static int
-__glXDRIbindTexImage(__GLXcontext *baseContext,
- int buffer,
- __GLXdrawable *glxPixmap)
-{
- return Success;
-}
-
-static int
-__glXDRIreleaseTexImage(__GLXcontext *baseContext,
- int buffer,
- __GLXdrawable *pixmap)
-{
- return Success;
-}
-
-#endif
-
-static __GLXtextureFromPixmap __glXDRItextureFromPixmap = {
- __glXDRIbindTexImage,
- __glXDRIreleaseTexImage
-};
-
-static void
-__glXDRIscreenDestroy(__GLXscreen *baseScreen)
-{
- __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
-
- (*screen->core->destroyScreen)(screen->driScreen);
-
- dlclose(screen->driver);
-
- __glXScreenDestroy(baseScreen);
-
- xfree(screen);
-}
-
-static __GLXcontext *
-__glXDRIscreenCreateContext(__GLXscreen *baseScreen,
- __GLXconfig *glxConfig,
- __GLXcontext *baseShareContext)
-{
- __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
- __GLXDRIcontext *context, *shareContext;
- __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
- const __DRIcoreExtension *core = screen->core;
- __DRIcontext *driShare;
-
- shareContext = (__GLXDRIcontext *) baseShareContext;
- if (shareContext)
- driShare = shareContext->driContext;
- else
- driShare = NULL;
-
- context = xcalloc(1, sizeof *context);
- if (context == NULL)
- return NULL;
-
- context->base.destroy = __glXDRIcontextDestroy;
- context->base.makeCurrent = __glXDRIcontextMakeCurrent;
- context->base.loseCurrent = __glXDRIcontextLoseCurrent;
- context->base.copy = __glXDRIcontextCopy;
- context->base.forceCurrent = __glXDRIcontextForceCurrent;
- context->base.textureFromPixmap = &__glXDRItextureFromPixmap;
-
- context->driContext =
- (*core->createNewContext)(screen->driScreen,
- config->driConfig, driShare, context);
-
- return &context->base;
-}
-
-static void
-glxChangeGC(GCPtr gc, BITS32 mask, CARD32 val)
-{
- CARD32 v[1];
- v[0] = val;
- dixChangeGC(NullClient, gc, mask, v, NULL);
-}
-
-static __GLXdrawable *
-__glXDRIscreenCreateDrawable(__GLXscreen *screen,
- DrawablePtr pDraw,
- int type,
- XID drawId,
- __GLXconfig *glxConfig)
-{
- __GLXDRIscreen *driScreen = (__GLXDRIscreen *) screen;
- __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
- __GLXDRIdrawable *private;
-
- ScreenPtr pScreen = driScreen->base.pScreen;
-
- private = xcalloc(1, sizeof *private);
- if (private == NULL)
- return NULL;
-
- private->screen = driScreen;
- if (!__glXDrawableInit(&private->base, screen,
- pDraw, type, drawId, glxConfig)) {
- xfree(private);
- return NULL;
- }
-
- private->base.destroy = __glXDRIdrawableDestroy;
- private->base.swapBuffers = __glXDRIdrawableSwapBuffers;
- private->base.copySubBuffer = __glXDRIdrawableCopySubBuffer;
-
- private->gc = CreateScratchGC(pScreen, pDraw->depth);
- private->swapgc = CreateScratchGC(pScreen, pDraw->depth);
-
- glxChangeGC(private->gc, GCFunction, GXcopy);
- glxChangeGC(private->swapgc, GCFunction, GXcopy);
- glxChangeGC(private->swapgc, GCGraphicsExposures, FALSE);
-
- private->driDrawable =
- (*driScreen->swrast->createNewDrawable)(driScreen->driScreen,
- config->driConfig,
- private);
-
- return &private->base;
-}
-
-static void
-swrastGetDrawableInfo(__DRIdrawable *draw,
- int *x, int *y, int *w, int *h,
- void *loaderPrivate)
-{
- __GLXDRIdrawable *drawable = loaderPrivate;
- DrawablePtr pDraw = drawable->base.pDraw;
-
- *x = pDraw->x;
- *y = pDraw->x;
- *w = pDraw->width;
- *h = pDraw->height;
-}
-
-static void
-swrastPutImage(__DRIdrawable *draw, int op,
- int x, int y, int w, int h, char *data,
- void *loaderPrivate)
-{
- __GLXDRIdrawable *drawable = loaderPrivate;
- DrawablePtr pDraw = drawable->base.pDraw;
- GCPtr gc;
-
- switch (op) {
- case __DRI_SWRAST_IMAGE_OP_DRAW:
- gc = drawable->gc;
- break;
- case __DRI_SWRAST_IMAGE_OP_SWAP:
- gc = drawable->swapgc;
- break;
- default:
- return;
- }
-
- ValidateGC(pDraw, gc);
-
- gc->ops->PutImage(pDraw, gc, pDraw->depth,
- x, y, w, h, 0, ZPixmap, data);
-}
-
-static void
-swrastGetImage(__DRIdrawable *draw,
- int x, int y, int w, int h, char *data,
- void *loaderPrivate)
-{
- __GLXDRIdrawable *drawable = loaderPrivate;
- DrawablePtr pDraw = drawable->base.pDraw;
- ScreenPtr pScreen = pDraw->pScreen;
-
- pScreen->GetImage(pDraw, x, y, w, h, ZPixmap, ~0L, data);
-}
-
-static const __DRIswrastLoaderExtension swrastLoaderExtension = {
- { __DRI_SWRAST_LOADER, __DRI_SWRAST_LOADER_VERSION },
- swrastGetDrawableInfo,
- swrastPutImage,
- swrastGetImage
-};
-
-static const __DRIextension *loader_extensions[] = {
- &systemTimeExtension.base,
- &swrastLoaderExtension.base,
- NULL
-};
-
-static void
-initializeExtensions(__GLXDRIscreen *screen)
-{
- const __DRIextension **extensions;
- int i;
-
- extensions = screen->core->getExtensions(screen->driScreen);
-
- for (i = 0; extensions[i]; i++) {
-#ifdef __DRI_COPY_SUB_BUFFER
- if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
- screen->copySubBuffer =
- (const __DRIcopySubBufferExtension *) extensions[i];
- /* GLX_MESA_copy_sub_buffer is always enabled. */
- }
-#endif
-
-#ifdef __DRI_TEX_BUFFER
- if (strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) {
- screen->texBuffer =
- (const __DRItexBufferExtension *) extensions[i];
- /* GLX_EXT_texture_from_pixmap is always enabled. */
- }
-#endif
- /* Ignore unknown extensions */
- }
-}
-
-static const char dri_driver_path[] = DRI_DRIVER_PATH;
-
-static __GLXscreen *
-__glXDRIscreenProbe(ScreenPtr pScreen)
-{
- const char *driverName = "swrast";
- __GLXDRIscreen *screen;
- char filename[128];
- const __DRIextension **extensions;
- const __DRIconfig **driConfigs;
- int i;
-
- screen = xcalloc(1, sizeof *screen);
- if (screen == NULL)
- return NULL;
-
- screen->base.destroy = __glXDRIscreenDestroy;
- screen->base.createContext = __glXDRIscreenCreateContext;
- screen->base.createDrawable = __glXDRIscreenCreateDrawable;
- screen->base.swapInterval = NULL;
- screen->base.pScreen = pScreen;
-
- snprintf(filename, sizeof filename,
- "%s/%s_dri.so", dri_driver_path, driverName);
-
- screen->driver = dlopen(filename, RTLD_LAZY | RTLD_LOCAL);
- if (screen->driver == NULL) {
- LogMessage(X_ERROR, "AIGLX error: dlopen of %s failed (%s)\n",
- filename, dlerror());
- goto handle_error;
- }
-
- extensions = dlsym(screen->driver, __DRI_DRIVER_EXTENSIONS);
- if (extensions == NULL) {
- LogMessage(X_ERROR, "AIGLX error: %s exports no extensions (%s)\n",
- driverName, dlerror());
- goto handle_error;
- }
-
- for (i = 0; extensions[i]; i++) {
- if (strcmp(extensions[i]->name, __DRI_CORE) == 0 &&
- extensions[i]->version >= __DRI_CORE_VERSION) {
- screen->core = (const __DRIcoreExtension *) extensions[i];
- }
- if (strcmp(extensions[i]->name, __DRI_SWRAST) == 0 &&
- extensions[i]->version >= __DRI_SWRAST_VERSION) {
- screen->swrast = (const __DRIswrastExtension *) extensions[i];
- }
- }
-
- if (screen->core == NULL || screen->swrast == NULL) {
- LogMessage(X_ERROR, "AIGLX error: %s exports no DRI extension\n",
- driverName);
- goto handle_error;
- }
-
- screen->driScreen =
- (*screen->swrast->createNewScreen)(pScreen->myNum,
- loader_extensions,
- &driConfigs,
- screen);
-
- if (screen->driScreen == NULL) {
- LogMessage(X_ERROR,
- "AIGLX error: Calling driver entry point failed\n");
- goto handle_error;
- }
-
- initializeExtensions(screen);
-
- screen->base.fbconfigs = glxConvertConfigs(screen->core, driConfigs);
-
- __glXScreenInit(&screen->base, pScreen);
-
- screen->base.GLXmajor = 1;
- screen->base.GLXminor = 4;
-
- LogMessage(X_INFO,
- "AIGLX: Loaded and initialized %s\n", filename);
-
- return &screen->base;
-
- handle_error:
- if (screen->driver)
- dlclose(screen->driver);
-
- xfree(screen);
-
- LogMessage(X_ERROR, "GLX: could not load software renderer\n");
-
- return NULL;
-}
-
-_X_EXPORT __GLXprovider __glXDRISWRastProvider = {
- __glXDRIscreenProbe,
- "DRISWRAST",
- NULL
-};
+/*
+ * Copyright © 2008 George Sapountzis <gsap7@yahoo.gr>
+ * Copyright © 2008 Red Hat, Inc
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of the
+ * copyright holders not be used in advertising or publicity
+ * pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no
+ * representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied
+ * warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
+#endif
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <dlfcn.h>
+
+#include <GL/gl.h>
+#include <GL/internal/dri_interface.h>
+#include <GL/glxtokens.h>
+
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "gcstruct.h"
+#include "os.h"
+
+#include "glxserver.h"
+#include "glxutil.h"
+#include "glxdricommon.h"
+
+#include "g_disptab.h"
+#include "glapitable.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "dispatch.h"
+#include "extension_string.h"
+
+/* RTLD_LOCAL is not defined on Cygwin */
+#ifdef __CYGWIN__
+#ifndef RTLD_LOCAL
+#define RTLD_LOCAL 0
+#endif
+#endif
+
+#ifdef _MSC_VER
+#define dlerror() "Getting loadlibrary error string not implemented"
+#endif
+
+typedef struct __GLXDRIscreen __GLXDRIscreen;
+typedef struct __GLXDRIcontext __GLXDRIcontext;
+typedef struct __GLXDRIdrawable __GLXDRIdrawable;
+
+struct __GLXDRIscreen {
+ __GLXscreen base;
+ __DRIscreen *driScreen;
+ void *driver;
+
+ const __DRIcoreExtension *core;
+ const __DRIswrastExtension *swrast;
+ const __DRIcopySubBufferExtension *copySubBuffer;
+ const __DRItexBufferExtension *texBuffer;
+};
+
+struct __GLXDRIcontext {
+ __GLXcontext base;
+ __DRIcontext *driContext;
+};
+
+struct __GLXDRIdrawable {
+ __GLXdrawable base;
+ __DRIdrawable *driDrawable;
+ __GLXDRIscreen *screen;
+
+ GCPtr gc; /* scratch GC for span drawing */
+ GCPtr swapgc; /* GC for swapping the color buffers */
+};
+
+static void
+__glXDRIdrawableDestroy(__GLXdrawable *drawable)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
+ const __DRIcoreExtension *core = private->screen->core;
+
+ (*core->destroyDrawable)(private->driDrawable);
+
+ FreeScratchGC(private->gc);
+ FreeScratchGC(private->swapgc);
+
+ __glXDrawableRelease(drawable);
+
+ xfree(private);
+}
+
+static GLboolean
+__glXDRIdrawableSwapBuffers(ClientPtr client, __GLXdrawable *drawable)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
+ const __DRIcoreExtension *core = private->screen->core;
+
+ (*core->swapBuffers)(private->driDrawable);
+
+ return TRUE;
+}
+
+static void
+__glXDRIdrawableCopySubBuffer(__GLXdrawable *basePrivate,
+ int x, int y, int w, int h)
+{
+ __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
+ const __DRIcopySubBufferExtension *copySubBuffer =
+ private->screen->copySubBuffer;
+
+ if (copySubBuffer)
+ (*copySubBuffer->copySubBuffer)(private->driDrawable, x, y, w, h);
+}
+
+static void
+__glXDRIcontextDestroy(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+ (*screen->core->destroyContext)(context->driContext);
+ __glXContextDestroy(&context->base);
+ xfree(context);
+}
+
+static int
+__glXDRIcontextMakeCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
+ __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+ return (*screen->core->bindContext)(context->driContext,
+ draw->driDrawable,
+ read->driDrawable);
+}
+
+static int
+__glXDRIcontextLoseCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+ return (*screen->core->unbindContext)(context->driContext);
+}
+
+static int
+__glXDRIcontextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc,
+ unsigned long mask)
+{
+ __GLXDRIcontext *dst = (__GLXDRIcontext *) baseDst;
+ __GLXDRIcontext *src = (__GLXDRIcontext *) baseSrc;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) dst->base.pGlxScreen;
+
+ return (*screen->core->copyContext)(dst->driContext,
+ src->driContext, mask);
+}
+
+static int
+__glXDRIcontextForceCurrent(__GLXcontext *baseContext)
+{
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+ __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
+ __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+ return (*screen->core->bindContext)(context->driContext,
+ draw->driDrawable,
+ read->driDrawable);
+}
+
+#ifdef __DRI_TEX_BUFFER
+
+static int
+__glXDRIbindTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *glxPixmap)
+{
+ __GLXDRIdrawable *drawable = (__GLXDRIdrawable *) glxPixmap;
+ const __DRItexBufferExtension *texBuffer = drawable->screen->texBuffer;
+ __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+
+ if (texBuffer == NULL)
+ return Success;
+
+ texBuffer->setTexBuffer(context->driContext,
+ glxPixmap->target,
+ drawable->driDrawable);
+
+ return Success;
+}
+
+static int
+__glXDRIreleaseTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *pixmap)
+{
+ /* FIXME: Just unbind the texture? */
+ return Success;
+}
+
+#else
+
+static int
+__glXDRIbindTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *glxPixmap)
+{
+ return Success;
+}
+
+static int
+__glXDRIreleaseTexImage(__GLXcontext *baseContext,
+ int buffer,
+ __GLXdrawable *pixmap)
+{
+ return Success;
+}
+
+#endif
+
+static __GLXtextureFromPixmap __glXDRItextureFromPixmap = {
+ __glXDRIbindTexImage,
+ __glXDRIreleaseTexImage
+};
+
+static void
+__glXDRIscreenDestroy(__GLXscreen *baseScreen)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
+
+ (*screen->core->destroyScreen)(screen->driScreen);
+
+#ifdef _MSC_VER
+ FreeLibrary(screen->driver);
+#else
+ dlclose(screen->driver);
+#endif
+
+ __glXScreenDestroy(baseScreen);
+
+ xfree(screen);
+}
+
+static __GLXcontext *
+__glXDRIscreenCreateContext(__GLXscreen *baseScreen,
+ __GLXconfig *glxConfig,
+ __GLXcontext *baseShareContext)
+{
+ __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
+ __GLXDRIcontext *context, *shareContext;
+ __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
+ const __DRIcoreExtension *core = screen->core;
+ __DRIcontext *driShare;
+
+ shareContext = (__GLXDRIcontext *) baseShareContext;
+ if (shareContext)
+ driShare = shareContext->driContext;
+ else
+ driShare = NULL;
+
+ context = xcalloc(1, sizeof *context);
+ if (context == NULL)
+ return NULL;
+
+ context->base.destroy = __glXDRIcontextDestroy;
+ context->base.makeCurrent = __glXDRIcontextMakeCurrent;
+ context->base.loseCurrent = __glXDRIcontextLoseCurrent;
+ context->base.copy = __glXDRIcontextCopy;
+ context->base.forceCurrent = __glXDRIcontextForceCurrent;
+ context->base.textureFromPixmap = &__glXDRItextureFromPixmap;
+
+ context->driContext =
+ (*core->createNewContext)(screen->driScreen,
+ config->driConfig, driShare, context);
+
+ return &context->base;
+}
+
+static void
+glxChangeGC(GCPtr gc, BITS32 mask, CARD32 val)
+{
+ CARD32 v[1];
+ v[0] = val;
+ dixChangeGC(NullClient, gc, mask, v, NULL);
+}
+
+static __GLXdrawable *
+__glXDRIscreenCreateDrawable(__GLXscreen *screen,
+ DrawablePtr pDraw,
+ int type,
+ XID drawId,
+ __GLXconfig *glxConfig)
+{
+ __GLXDRIscreen *driScreen = (__GLXDRIscreen *) screen;
+ __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
+ __GLXDRIdrawable *private;
+
+ ScreenPtr pScreen = driScreen->base.pScreen;
+
+ private = xcalloc(1, sizeof *private);
+ if (private == NULL)
+ return NULL;
+
+ private->screen = driScreen;
+ if (!__glXDrawableInit(&private->base, screen,
+ pDraw, type, drawId, glxConfig)) {
+ xfree(private);
+ return NULL;
+ }
+
+ private->base.destroy = __glXDRIdrawableDestroy;
+ private->base.swapBuffers = __glXDRIdrawableSwapBuffers;
+ private->base.copySubBuffer = __glXDRIdrawableCopySubBuffer;
+
+ private->gc = CreateScratchGC(pScreen, pDraw->depth);
+ private->swapgc = CreateScratchGC(pScreen, pDraw->depth);
+
+ glxChangeGC(private->gc, GCFunction, GXcopy);
+ glxChangeGC(private->swapgc, GCFunction, GXcopy);
+ glxChangeGC(private->swapgc, GCGraphicsExposures, FALSE);
+
+ private->driDrawable =
+ (*driScreen->swrast->createNewDrawable)(driScreen->driScreen,
+ config->driConfig,
+ private);
+
+ return &private->base;
+}
+
+static void
+swrastGetDrawableInfo(__DRIdrawable *draw,
+ int *x, int *y, int *w, int *h,
+ void *loaderPrivate)
+{
+ __GLXDRIdrawable *drawable = loaderPrivate;
+ DrawablePtr pDraw = drawable->base.pDraw;
+
+ *x = pDraw->x;
+ *y = pDraw->x;
+ *w = pDraw->width;
+ *h = pDraw->height;
+}
+
+static void
+swrastPutImage(__DRIdrawable *draw, int op,
+ int x, int y, int w, int h, char *data,
+ void *loaderPrivate)
+{
+ __GLXDRIdrawable *drawable = loaderPrivate;
+ DrawablePtr pDraw = drawable->base.pDraw;
+ GCPtr gc;
+
+ switch (op) {
+ case __DRI_SWRAST_IMAGE_OP_DRAW:
+ gc = drawable->gc;
+ break;
+ case __DRI_SWRAST_IMAGE_OP_SWAP:
+ gc = drawable->swapgc;
+ break;
+ default:
+ return;
+ }
+
+ ValidateGC(pDraw, gc);
+
+ gc->ops->PutImage(pDraw, gc, pDraw->depth,
+ x, y, w, h, 0, ZPixmap, data);
+}
+
+static void
+swrastGetImage(__DRIdrawable *draw,
+ int x, int y, int w, int h, char *data,
+ void *loaderPrivate)
+{
+ __GLXDRIdrawable *drawable = loaderPrivate;
+ DrawablePtr pDraw = drawable->base.pDraw;
+ ScreenPtr pScreen = pDraw->pScreen;
+
+ pScreen->GetImage(pDraw, x, y, w, h, ZPixmap, ~0L, data);
+}
+
+static const __DRIswrastLoaderExtension swrastLoaderExtension = {
+ { __DRI_SWRAST_LOADER, __DRI_SWRAST_LOADER_VERSION },
+ swrastGetDrawableInfo,
+ swrastPutImage,
+ swrastGetImage
+};
+
+static const __DRIextension *loader_extensions[] = {
+ &systemTimeExtension.base,
+ &swrastLoaderExtension.base,
+ NULL
+};
+
+static void
+initializeExtensions(__GLXDRIscreen *screen)
+{
+ const __DRIextension **extensions;
+ int i;
+
+ extensions = screen->core->getExtensions(screen->driScreen);
+
+ for (i = 0; extensions[i]; i++) {
+#ifdef __DRI_COPY_SUB_BUFFER
+ if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
+ screen->copySubBuffer =
+ (const __DRIcopySubBufferExtension *) extensions[i];
+ /* GLX_MESA_copy_sub_buffer is always enabled. */
+ }
+#endif
+
+#ifdef __DRI_TEX_BUFFER
+ if (strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) {
+ screen->texBuffer =
+ (const __DRItexBufferExtension *) extensions[i];
+ /* GLX_EXT_texture_from_pixmap is always enabled. */
+ }
+#endif
+ /* Ignore unknown extensions */
+ }
+}
+
+static const char dri_driver_path[] = DRI_DRIVER_PATH;
+
+static __GLXscreen *
+__glXDRIscreenProbe(ScreenPtr pScreen)
+{
+ const char *driverName = "swrast";
+ __GLXDRIscreen *screen;
+ char filename[128];
+ const __DRIextension **extensions;
+ const __DRIconfig **driConfigs;
+ int i;
+
+ screen = xcalloc(1, sizeof *screen);
+ if (screen == NULL)
+ return NULL;
+
+ screen->base.destroy = __glXDRIscreenDestroy;
+ screen->base.createContext = __glXDRIscreenCreateContext;
+ screen->base.createDrawable = __glXDRIscreenCreateDrawable;
+ screen->base.swapInterval = NULL;
+ screen->base.pScreen = pScreen;
+
+#ifdef _MSC_VER
+#ifdef _DEBUG
+#define DLLNAME "%s%s_dri_dbg.dll"
+#else
+#define DLLNAME "%s%s_dri.dll"
+#endif
+ snprintf(filename, sizeof filename,
+ DLLNAME, dri_driver_path, driverName);
+
+ screen->driver = LoadLibrary(filename);
+#else
+ snprintf(filename, sizeof filename,
+ "%s/%s_dri.so", dri_driver_path, driverName);
+
+ screen->driver = dlopen(filename, RTLD_LAZY | RTLD_LOCAL);
+#endif
+ if (screen->driver == NULL) {
+ LogMessage(X_ERROR, "AIGLX error: dlopen of %s failed (%s)\n",
+ filename, dlerror());
+ goto handle_error;
+ }
+
+#ifdef _MSC_VER
+ extensions = (const __DRIextension **)GetProcAddress(screen->driver, __DRI_DRIVER_EXTENSIONS);
+#else
+ extensions = dlsym(screen->driver, __DRI_DRIVER_EXTENSIONS);
+#endif
+ if (extensions == NULL) {
+ LogMessage(X_ERROR, "AIGLX error: %s exports no extensions (%s)\n",
+ driverName, dlerror());
+ goto handle_error;
+ }
+
+ for (i = 0; extensions[i]; i++) {
+ if (strcmp(extensions[i]->name, __DRI_CORE) == 0 &&
+ extensions[i]->version >= __DRI_CORE_VERSION) {
+ screen->core = (const __DRIcoreExtension *) extensions[i];
+ }
+ if (strcmp(extensions[i]->name, __DRI_SWRAST) == 0 &&
+ extensions[i]->version >= __DRI_SWRAST_VERSION) {
+ screen->swrast = (const __DRIswrastExtension *) extensions[i];
+ }
+ }
+
+ if (screen->core == NULL || screen->swrast == NULL) {
+ LogMessage(X_ERROR, "AIGLX error: %s exports no DRI extension\n",
+ driverName);
+ goto handle_error;
+ }
+
+ screen->driScreen =
+ (*screen->swrast->createNewScreen)(pScreen->myNum,
+ loader_extensions,
+ &driConfigs,
+ screen);
+
+ if (screen->driScreen == NULL) {
+ LogMessage(X_ERROR,
+ "AIGLX error: Calling driver entry point failed\n");
+ goto handle_error;
+ }
+
+ initializeExtensions(screen);
+
+ screen->base.fbconfigs = glxConvertConfigs(screen->core, driConfigs);
+
+ __glXScreenInit(&screen->base, pScreen);
+
+ screen->base.GLXmajor = 1;
+ screen->base.GLXminor = 4;
+
+ LogMessage(X_INFO,
+ "AIGLX: Loaded and initialized %s\n", filename);
+
+ return &screen->base;
+
+ handle_error:
+ if (screen->driver)
+#ifdef _MSC_VER
+ FreeLibrary(screen->driver);
+#else
+ dlclose(screen->driver);
+#endif
+
+ xfree(screen);
+
+ LogMessage(X_ERROR, "GLX: could not load software renderer\n");
+
+ return NULL;
+}
+
+_X_EXPORT __GLXprovider __glXDRISWRastProvider = {
+ __glXDRIscreenProbe,
+ "DRISWRAST",
+ NULL
+};
diff --git a/xorg-server/glx/glxext.c b/xorg-server/glx/glxext.c
index 59bcfbed2..c1fedf3b9 100644
--- a/xorg-server/glx/glxext.c
+++ b/xorg-server/glx/glxext.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include <string.h>
@@ -125,8 +129,10 @@ static int glxBlockClients;
static Bool DrawableGone(__GLXdrawable *glxPriv, XID xid)
{
__GLXcontext *c;
+ __GLXcontext *cnext;
- for (c = glxAllContexts; c; c = c->next) {
+ for (c = glxAllContexts; c; c = cnext) {
+ cnext=c->next; /* Safe because c is going to be freed */
if (c->isCurrent && (c->drawPriv == glxPriv || c->readPriv == glxPriv)) {
int i;
diff --git a/xorg-server/glx/glxscreens.c b/xorg-server/glx/glxscreens.c
index 58d8ee0b4..b2d1f8741 100644
--- a/xorg-server/glx/glxscreens.c
+++ b/xorg-server/glx/glxscreens.c
@@ -1,470 +1,474 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * shall be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
- * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <GL/glxtokens.h>
-#include <string.h>
-#include <windowstr.h>
-#include <os.h>
-#include <colormapst.h>
-
-#include "privates.h"
-#include "glxserver.h"
-#include "glxutil.h"
-#include "glxext.h"
-#include "protocol-versions.h"
-
-static int glxScreenPrivateKeyIndex;
-static DevPrivateKey glxScreenPrivateKey = &glxScreenPrivateKeyIndex;
-
-const char GLServerVersion[] = "1.4";
-static const char GLServerExtensions[] =
- "GL_ARB_depth_texture "
- "GL_ARB_draw_buffers "
- "GL_ARB_fragment_program "
- "GL_ARB_fragment_program_shadow "
- "GL_ARB_imaging "
- "GL_ARB_multisample "
- "GL_ARB_multitexture "
- "GL_ARB_occlusion_query "
- "GL_ARB_point_parameters "
- "GL_ARB_point_sprite "
- "GL_ARB_shadow "
- "GL_ARB_shadow_ambient "
- "GL_ARB_texture_border_clamp "
- "GL_ARB_texture_compression "
- "GL_ARB_texture_cube_map "
- "GL_ARB_texture_env_add "
- "GL_ARB_texture_env_combine "
- "GL_ARB_texture_env_crossbar "
- "GL_ARB_texture_env_dot3 "
- "GL_ARB_texture_mirrored_repeat "
- "GL_ARB_texture_non_power_of_two "
- "GL_ARB_transpose_matrix "
- "GL_ARB_vertex_program "
- "GL_ARB_window_pos "
- "GL_EXT_abgr "
- "GL_EXT_bgra "
- "GL_EXT_blend_color "
- "GL_EXT_blend_equation_separate "
- "GL_EXT_blend_func_separate "
- "GL_EXT_blend_logic_op "
- "GL_EXT_blend_minmax "
- "GL_EXT_blend_subtract "
- "GL_EXT_clip_volume_hint "
- "GL_EXT_copy_texture "
- "GL_EXT_draw_range_elements "
- "GL_EXT_fog_coord "
- "GL_EXT_framebuffer_object "
- "GL_EXT_multi_draw_arrays "
- "GL_EXT_packed_pixels "
- "GL_EXT_paletted_texture "
- "GL_EXT_point_parameters "
- "GL_EXT_polygon_offset "
- "GL_EXT_rescale_normal "
- "GL_EXT_secondary_color "
- "GL_EXT_separate_specular_color "
- "GL_EXT_shadow_funcs "
- "GL_EXT_shared_texture_palette "
- "GL_EXT_stencil_two_side "
- "GL_EXT_stencil_wrap "
- "GL_EXT_subtexture "
- "GL_EXT_texture "
- "GL_EXT_texture3D "
- "GL_EXT_texture_compression_dxt1 "
- "GL_EXT_texture_compression_s3tc "
- "GL_EXT_texture_edge_clamp "
- "GL_EXT_texture_env_add "
- "GL_EXT_texture_env_combine "
- "GL_EXT_texture_env_dot3 "
- "GL_EXT_texture_filter_anisotropic "
- "GL_EXT_texture_lod "
- "GL_EXT_texture_lod_bias "
- "GL_EXT_texture_mirror_clamp "
- "GL_EXT_texture_object "
- "GL_EXT_texture_rectangle "
- "GL_EXT_vertex_array "
- "GL_3DFX_texture_compression_FXT1 "
- "GL_APPLE_packed_pixels "
- "GL_ATI_draw_buffers "
- "GL_ATI_texture_env_combine3 "
- "GL_ATI_texture_mirror_once "
- "GL_HP_occlusion_test "
- "GL_IBM_texture_mirrored_repeat "
- "GL_INGR_blend_func_separate "
- "GL_MESA_pack_invert "
- "GL_MESA_ycbcr_texture "
- "GL_NV_blend_square "
- "GL_NV_depth_clamp "
- "GL_NV_fog_distance "
- "GL_NV_fragment_program "
- "GL_NV_fragment_program_option "
- "GL_NV_fragment_program2 "
- "GL_NV_light_max_exponent "
- "GL_NV_multisample_filter_hint "
- "GL_NV_point_sprite "
- "GL_NV_texgen_reflection "
- "GL_NV_texture_compression_vtc "
- "GL_NV_texture_env_combine4 "
- "GL_NV_texture_expand_normal "
- "GL_NV_texture_rectangle "
- "GL_NV_vertex_program "
- "GL_NV_vertex_program1_1 "
- "GL_NV_vertex_program2 "
- "GL_NV_vertex_program2_option "
- "GL_NV_vertex_program3 "
- "GL_OES_compressed_paletted_texture "
- "GL_SGI_color_matrix "
- "GL_SGI_color_table "
- "GL_SGIS_generate_mipmap "
- "GL_SGIS_multisample "
- "GL_SGIS_point_parameters "
- "GL_SGIS_texture_border_clamp "
- "GL_SGIS_texture_edge_clamp "
- "GL_SGIS_texture_lod "
- "GL_SGIX_depth_texture "
- "GL_SGIX_shadow "
- "GL_SGIX_shadow_ambient "
- "GL_SUN_slice_accum "
- ;
-
-/*
-** We have made the simplifying assuption that the same extensions are
-** supported across all screens in a multi-screen system.
-*/
-static char GLXServerVendorName[] = "SGI";
-unsigned glxMajorVersion = SERVER_GLX_MAJOR_VERSION;
-unsigned glxMinorVersion = SERVER_GLX_MINOR_VERSION;
-static char GLXServerExtensions[] =
- "GLX_ARB_multisample "
- "GLX_EXT_visual_info "
- "GLX_EXT_visual_rating "
- "GLX_EXT_import_context "
- "GLX_EXT_texture_from_pixmap "
- "GLX_OML_swap_method "
- "GLX_SGI_make_current_read "
-#ifndef __APPLE__
- "GLX_SGIS_multisample "
- "GLX_SGIX_hyperpipe "
- "GLX_SGIX_swap_barrier "
-#endif
- "GLX_SGIX_fbconfig "
- "GLX_SGIX_pbuffer "
- "GLX_MESA_copy_sub_buffer "
- "GLX_INTEL_swap_event"
- ;
-
-/*
- * If your DDX driver wants to register support for swap barriers or hyperpipe
- * topology, it should call __glXHyperpipeInit() or __glXSwapBarrierInit()
- * with a dispatch table of functions to handle the requests. In the XFree86
- * DDX, for example, you would call these near the bottom of the driver's
- * ScreenInit method, after DRI has been initialized.
- *
- * This should be replaced with a better method when we teach the server how
- * to load DRI drivers.
- */
-
-void __glXHyperpipeInit(int screen, __GLXHyperpipeExtensionFuncs *funcs)
-{
- __GLXscreen *pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
-
- pGlxScreen->hyperpipeFuncs = funcs;
-}
-
-void __glXSwapBarrierInit(int screen, __GLXSwapBarrierExtensionFuncs *funcs)
-{
- __GLXscreen *pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
-
- pGlxScreen->swapBarrierFuncs = funcs;
-}
-
-static Bool
-glxCloseScreen (int index, ScreenPtr pScreen)
-{
- __GLXscreen *pGlxScreen = glxGetScreen(pScreen);
-
- pScreen->CloseScreen = pGlxScreen->CloseScreen;
- pScreen->DestroyWindow = pGlxScreen->DestroyWindow;
-
- pGlxScreen->destroy(pGlxScreen);
-
- return pScreen->CloseScreen(index, pScreen);
-}
-
-__GLXscreen *
-glxGetScreen(ScreenPtr pScreen)
-{
- return dixLookupPrivate(&pScreen->devPrivates, glxScreenPrivateKey);
-}
-
-_X_EXPORT void GlxSetVisualConfigs(int nconfigs,
- void *configs, void **privates)
-{
- /* We keep this stub around for the DDX drivers that still
- * call it. */
-}
-
-GLint glxConvertToXVisualType(int visualType)
-{
- static const int x_visual_types[] = {
- TrueColor, DirectColor,
- PseudoColor, StaticColor,
- GrayScale, StaticGray
- };
-
- return ( (unsigned) (visualType - GLX_TRUE_COLOR) < 6 )
- ? x_visual_types[ visualType - GLX_TRUE_COLOR ] : -1;
-}
-
-/* This code inspired by composite/compinit.c. We could move this to
- * mi/ and share it with composite.*/
-
-static VisualPtr
-AddScreenVisuals(ScreenPtr pScreen, int count, int d)
-{
- int i;
- DepthPtr depth;
-
- depth = NULL;
- for (i = 0; i < pScreen->numDepths; i++) {
- if (pScreen->allowedDepths[i].depth == d) {
- depth = &pScreen->allowedDepths[i];
- break;
- }
- }
- if (depth == NULL)
- return NULL;
-
- if (ResizeVisualArray(pScreen, count, depth) == FALSE)
- return NULL;
-
- /* Return a pointer to the first of the added visuals. */
- return pScreen->visuals + pScreen->numVisuals - count;
-}
-
-static int
-findFirstSet(unsigned int v)
-{
- int i;
-
- for (i = 0; i < 32; i++)
- if (v & (1 << i))
- return i;
-
- return -1;
-}
-
-static void
-initGlxVisual(VisualPtr visual, __GLXconfig *config)
-{
- int maxBits;
- maxBits = max(config->redBits, max(config->greenBits, config->blueBits));
-
- config->visualID = visual->vid;
- visual->class = glxConvertToXVisualType(config->visualType);
- visual->bitsPerRGBValue = maxBits;
- visual->ColormapEntries = 1 << maxBits;
- visual->nplanes = config->redBits + config->greenBits + config->blueBits;
-
- visual->redMask = config->redMask;
- visual->greenMask = config->greenMask;
- visual->blueMask = config->blueMask;
- visual->offsetRed = findFirstSet(config->redMask);
- visual->offsetGreen = findFirstSet(config->greenMask);
- visual->offsetBlue = findFirstSet(config->blueMask);
-}
-
-static __GLXconfig *
-pickFBConfig(__GLXscreen *pGlxScreen, VisualPtr visual)
-{
- __GLXconfig *best = NULL, *config;
- int best_score = 0;
-
- for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) {
- int score = 0;
-
- if (config->redMask != visual->redMask ||
- config->greenMask != visual->greenMask ||
- config->blueMask != visual->blueMask)
- continue;
- if (config->visualRating != GLX_NONE)
- continue;
- if (glxConvertToXVisualType(config->visualType) != visual->class)
- continue;
- /* If it's the 32-bit RGBA visual, demand a 32-bit fbconfig. */
- if (visual->nplanes == 32 && config->rgbBits != 32)
- continue;
- /* Can't use the same FBconfig for multiple X visuals. I think. */
- if (config->visualID != 0)
- continue;
-
- if (config->doubleBufferMode > 0)
- score += 8;
- if (config->depthBits > 0)
- score += 4;
- if (config->stencilBits > 0)
- score += 2;
- if (config->alphaBits > 0)
- score++;
-
- if (score > best_score) {
- best = config;
- best_score = score;
- }
- }
-
- return best;
-}
-
-static Bool
-glxDestroyWindow(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- __GLXscreen *pGlxScreen = glxGetScreen(pScreen);
- Bool retval = TRUE;
-
- FreeResource(pWin->drawable.id, FALSE);
-
- /* call lower wrapped functions */
- if (pGlxScreen->DestroyWindow) {
- /* unwrap */
- pScreen->DestroyWindow = pGlxScreen->DestroyWindow;
-
- /* call lower layers */
- retval = (*pScreen->DestroyWindow)(pWin);
-
- /* rewrap */
- pGlxScreen->DestroyWindow = pScreen->DestroyWindow;
- pScreen->DestroyWindow = glxDestroyWindow;
- }
-
- return retval;
-}
-
-void __glXScreenInit(__GLXscreen *pGlxScreen, ScreenPtr pScreen)
-{
- __GLXconfig *m;
- __GLXconfig *config;
- int i;
-
- pGlxScreen->pScreen = pScreen;
- pGlxScreen->GLextensions = xstrdup(GLServerExtensions);
- pGlxScreen->GLXvendor = xstrdup(GLXServerVendorName);
- pGlxScreen->GLXextensions = xstrdup(GLXServerExtensions);
-
- /* All GLX providers must support all of the functionality required for at
- * least GLX 1.2. If the provider supports a higher version, the GLXminor
- * version can be changed in the provider's screen-probe routine. For
- * most providers, the screen-probe routine is the caller of this
- * function.
- */
- pGlxScreen->GLXmajor = 1;
- pGlxScreen->GLXminor = 2;
-
- pGlxScreen->CloseScreen = pScreen->CloseScreen;
- pScreen->CloseScreen = glxCloseScreen;
- pGlxScreen->DestroyWindow = pScreen->DestroyWindow;
- pScreen->DestroyWindow = glxDestroyWindow;
-
- i = 0;
- for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next) {
- m->fbconfigID = FakeClientID(0);
- m->visualID = 0;
- i++;
- }
- pGlxScreen->numFBConfigs = i;
-
- pGlxScreen->visuals =
- xcalloc(pGlxScreen->numFBConfigs, sizeof (__GLXconfig *));
-
- /* First, try to choose featureful FBconfigs for the existing X visuals.
- * Note that if multiple X visuals end up with the same FBconfig being
- * chosen, the later X visuals don't get GLX visuals (because we want to
- * prioritize the root visual being GLX).
- */
- for (i = 0; i < pScreen->numVisuals; i++) {
- VisualPtr visual = &pScreen->visuals[i];
-
- config = pickFBConfig(pGlxScreen, visual);
- if (config) {
- pGlxScreen->visuals[pGlxScreen->numVisuals++] = config;
- config->visualID = visual->vid;
- }
- }
-
- /* Then, add new visuals corresponding to all FBconfigs that didn't have
- * an existing, appropriate visual.
- */
- for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) {
- int depth;
-
- VisualPtr visual;
-
- if (config->visualID != 0)
- continue;
-
- /* Only count RGB bits and not alpha, as we're not trying to create
- * visuals for compositing (that's what the 32-bit composite visual
- * set up above is for.
- */
- depth = config->redBits + config->greenBits + config->blueBits;
-
- /* Make sure that our FBconfig's depth can actually be displayed
- * (corresponds to an existing visual).
- */
- for (i = 0; i < pScreen->numVisuals; i++) {
- if (depth == pScreen->visuals[i].nplanes)
- break;
- }
- if (i == pScreen->numVisuals)
- continue;
-
- /* Create a new X visual for our FBconfig. */
- visual = AddScreenVisuals(pScreen, 1, depth);
- if (visual == NULL)
- continue;
-
- pGlxScreen->visuals[pGlxScreen->numVisuals++] = config;
- initGlxVisual(visual, config);
- }
-
- dixSetPrivate(&pScreen->devPrivates, glxScreenPrivateKey, pGlxScreen);
-}
-
-void __glXScreenDestroy(__GLXscreen *screen)
-{
- xfree(screen->GLXvendor);
- xfree(screen->GLXextensions);
- xfree(screen->GLextensions);
-}
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
+#endif
+
+#include <GL/glxtokens.h>
+#include <string.h>
+#include <windowstr.h>
+#include <os.h>
+#include <colormapst.h>
+
+#include "privates.h"
+#include "glxserver.h"
+#include "glxutil.h"
+#include "glxext.h"
+#include "protocol-versions.h"
+
+static int glxScreenPrivateKeyIndex;
+static DevPrivateKey glxScreenPrivateKey = &glxScreenPrivateKeyIndex;
+
+const char GLServerVersion[] = "1.4";
+static const char GLServerExtensions[] =
+ "GL_ARB_depth_texture "
+ "GL_ARB_draw_buffers "
+ "GL_ARB_fragment_program "
+ "GL_ARB_fragment_program_shadow "
+ "GL_ARB_imaging "
+ "GL_ARB_multisample "
+ "GL_ARB_multitexture "
+ "GL_ARB_occlusion_query "
+ "GL_ARB_point_parameters "
+ "GL_ARB_point_sprite "
+ "GL_ARB_shadow "
+ "GL_ARB_shadow_ambient "
+ "GL_ARB_texture_border_clamp "
+ "GL_ARB_texture_compression "
+ "GL_ARB_texture_cube_map "
+ "GL_ARB_texture_env_add "
+ "GL_ARB_texture_env_combine "
+ "GL_ARB_texture_env_crossbar "
+ "GL_ARB_texture_env_dot3 "
+ "GL_ARB_texture_mirrored_repeat "
+ "GL_ARB_texture_non_power_of_two "
+ "GL_ARB_transpose_matrix "
+ "GL_ARB_vertex_program "
+ "GL_ARB_window_pos "
+ "GL_EXT_abgr "
+ "GL_EXT_bgra "
+ "GL_EXT_blend_color "
+ "GL_EXT_blend_equation_separate "
+ "GL_EXT_blend_func_separate "
+ "GL_EXT_blend_logic_op "
+ "GL_EXT_blend_minmax "
+ "GL_EXT_blend_subtract "
+ "GL_EXT_clip_volume_hint "
+ "GL_EXT_copy_texture "
+ "GL_EXT_draw_range_elements "
+ "GL_EXT_fog_coord "
+ "GL_EXT_framebuffer_object "
+ "GL_EXT_multi_draw_arrays "
+ "GL_EXT_packed_pixels "
+ "GL_EXT_paletted_texture "
+ "GL_EXT_point_parameters "
+ "GL_EXT_polygon_offset "
+ "GL_EXT_rescale_normal "
+ "GL_EXT_secondary_color "
+ "GL_EXT_separate_specular_color "
+ "GL_EXT_shadow_funcs "
+ "GL_EXT_shared_texture_palette "
+ "GL_EXT_stencil_two_side "
+ "GL_EXT_stencil_wrap "
+ "GL_EXT_subtexture "
+ "GL_EXT_texture "
+ "GL_EXT_texture3D "
+ "GL_EXT_texture_compression_dxt1 "
+ "GL_EXT_texture_compression_s3tc "
+ "GL_EXT_texture_edge_clamp "
+ "GL_EXT_texture_env_add "
+ "GL_EXT_texture_env_combine "
+ "GL_EXT_texture_env_dot3 "
+ "GL_EXT_texture_filter_anisotropic "
+ "GL_EXT_texture_lod "
+ "GL_EXT_texture_lod_bias "
+ "GL_EXT_texture_mirror_clamp "
+ "GL_EXT_texture_object "
+ "GL_EXT_texture_rectangle "
+ "GL_EXT_vertex_array "
+ "GL_3DFX_texture_compression_FXT1 "
+ "GL_APPLE_packed_pixels "
+ "GL_ATI_draw_buffers "
+ "GL_ATI_texture_env_combine3 "
+ "GL_ATI_texture_mirror_once "
+ "GL_HP_occlusion_test "
+ "GL_IBM_texture_mirrored_repeat "
+ "GL_INGR_blend_func_separate "
+ "GL_MESA_pack_invert "
+ "GL_MESA_ycbcr_texture "
+ "GL_NV_blend_square "
+ "GL_NV_depth_clamp "
+ "GL_NV_fog_distance "
+ "GL_NV_fragment_program "
+ "GL_NV_fragment_program_option "
+ "GL_NV_fragment_program2 "
+ "GL_NV_light_max_exponent "
+ "GL_NV_multisample_filter_hint "
+ "GL_NV_point_sprite "
+ "GL_NV_texgen_reflection "
+ "GL_NV_texture_compression_vtc "
+ "GL_NV_texture_env_combine4 "
+ "GL_NV_texture_expand_normal "
+ "GL_NV_texture_rectangle "
+ "GL_NV_vertex_program "
+ "GL_NV_vertex_program1_1 "
+ "GL_NV_vertex_program2 "
+ "GL_NV_vertex_program2_option "
+ "GL_NV_vertex_program3 "
+ "GL_OES_compressed_paletted_texture "
+ "GL_SGI_color_matrix "
+ "GL_SGI_color_table "
+ "GL_SGIS_generate_mipmap "
+ "GL_SGIS_multisample "
+ "GL_SGIS_point_parameters "
+ "GL_SGIS_texture_border_clamp "
+ "GL_SGIS_texture_edge_clamp "
+ "GL_SGIS_texture_lod "
+ "GL_SGIX_depth_texture "
+ "GL_SGIX_shadow "
+ "GL_SGIX_shadow_ambient "
+ "GL_SUN_slice_accum "
+ ;
+
+/*
+** We have made the simplifying assuption that the same extensions are
+** supported across all screens in a multi-screen system.
+*/
+static char GLXServerVendorName[] = "SGI";
+unsigned glxMajorVersion = SERVER_GLX_MAJOR_VERSION;
+unsigned glxMinorVersion = SERVER_GLX_MINOR_VERSION;
+static char GLXServerExtensions[] =
+ "GLX_ARB_multisample "
+ "GLX_EXT_visual_info "
+ "GLX_EXT_visual_rating "
+ "GLX_EXT_import_context "
+ "GLX_EXT_texture_from_pixmap "
+ "GLX_OML_swap_method "
+ "GLX_SGI_make_current_read "
+#ifndef __APPLE__
+ "GLX_SGIS_multisample "
+ "GLX_SGIX_hyperpipe "
+ "GLX_SGIX_swap_barrier "
+#endif
+ "GLX_SGIX_fbconfig "
+ "GLX_SGIX_pbuffer "
+ "GLX_MESA_copy_sub_buffer "
+ "GLX_INTEL_swap_event"
+ ;
+
+/*
+ * If your DDX driver wants to register support for swap barriers or hyperpipe
+ * topology, it should call __glXHyperpipeInit() or __glXSwapBarrierInit()
+ * with a dispatch table of functions to handle the requests. In the XFree86
+ * DDX, for example, you would call these near the bottom of the driver's
+ * ScreenInit method, after DRI has been initialized.
+ *
+ * This should be replaced with a better method when we teach the server how
+ * to load DRI drivers.
+ */
+
+void __glXHyperpipeInit(int screen, __GLXHyperpipeExtensionFuncs *funcs)
+{
+ __GLXscreen *pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+
+ pGlxScreen->hyperpipeFuncs = funcs;
+}
+
+void __glXSwapBarrierInit(int screen, __GLXSwapBarrierExtensionFuncs *funcs)
+{
+ __GLXscreen *pGlxScreen = glxGetScreen(screenInfo.screens[screen]);
+
+ pGlxScreen->swapBarrierFuncs = funcs;
+}
+
+static Bool
+glxCloseScreen (int index, ScreenPtr pScreen)
+{
+ __GLXscreen *pGlxScreen = glxGetScreen(pScreen);
+
+ pScreen->CloseScreen = pGlxScreen->CloseScreen;
+ pScreen->DestroyWindow = pGlxScreen->DestroyWindow;
+
+ pGlxScreen->destroy(pGlxScreen);
+
+ return pScreen->CloseScreen(index, pScreen);
+}
+
+__GLXscreen *
+glxGetScreen(ScreenPtr pScreen)
+{
+ return dixLookupPrivate(&pScreen->devPrivates, glxScreenPrivateKey);
+}
+
+_X_EXPORT void GlxSetVisualConfigs(int nconfigs,
+ void *configs, void **privates)
+{
+ /* We keep this stub around for the DDX drivers that still
+ * call it. */
+}
+
+GLint glxConvertToXVisualType(int visualType)
+{
+ static const int x_visual_types[] = {
+ TrueColor, DirectColor,
+ PseudoColor, StaticColor,
+ GrayScale, StaticGray
+ };
+
+ return ( (unsigned) (visualType - GLX_TRUE_COLOR) < 6 )
+ ? x_visual_types[ visualType - GLX_TRUE_COLOR ] : -1;
+}
+
+/* This code inspired by composite/compinit.c. We could move this to
+ * mi/ and share it with composite.*/
+
+static VisualPtr
+AddScreenVisuals(ScreenPtr pScreen, int count, int d)
+{
+ int i;
+ DepthPtr depth;
+
+ depth = NULL;
+ for (i = 0; i < pScreen->numDepths; i++) {
+ if (pScreen->allowedDepths[i].depth == d) {
+ depth = &pScreen->allowedDepths[i];
+ break;
+ }
+ }
+ if (depth == NULL)
+ return NULL;
+
+ if (ResizeVisualArray(pScreen, count, depth) == FALSE)
+ return NULL;
+
+ /* Return a pointer to the first of the added visuals. */
+ return pScreen->visuals + pScreen->numVisuals - count;
+}
+
+static int
+findFirstSet(unsigned int v)
+{
+ int i;
+
+ for (i = 0; i < 32; i++)
+ if (v & (1 << i))
+ return i;
+
+ return -1;
+}
+
+static void
+initGlxVisual(VisualPtr visual, __GLXconfig *config)
+{
+ int maxBits;
+ maxBits = max(config->redBits, max(config->greenBits, config->blueBits));
+
+ config->visualID = visual->vid;
+ visual->class = glxConvertToXVisualType(config->visualType);
+ visual->bitsPerRGBValue = maxBits;
+ visual->ColormapEntries = 1 << maxBits;
+ visual->nplanes = config->redBits + config->greenBits + config->blueBits;
+
+ visual->redMask = config->redMask;
+ visual->greenMask = config->greenMask;
+ visual->blueMask = config->blueMask;
+ visual->offsetRed = findFirstSet(config->redMask);
+ visual->offsetGreen = findFirstSet(config->greenMask);
+ visual->offsetBlue = findFirstSet(config->blueMask);
+}
+
+static __GLXconfig *
+pickFBConfig(__GLXscreen *pGlxScreen, VisualPtr visual)
+{
+ __GLXconfig *best = NULL, *config;
+ int best_score = 0;
+
+ for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) {
+ int score = 0;
+
+ if (config->redMask != visual->redMask ||
+ config->greenMask != visual->greenMask ||
+ config->blueMask != visual->blueMask)
+ continue;
+ if (config->visualRating != GLX_NONE)
+ continue;
+ if (glxConvertToXVisualType(config->visualType) != visual->class)
+ continue;
+ /* If it's the 32-bit RGBA visual, demand a 32-bit fbconfig. */
+ if (visual->nplanes == 32 && config->rgbBits != 32)
+ continue;
+ /* Can't use the same FBconfig for multiple X visuals. I think. */
+ if (config->visualID != 0)
+ continue;
+
+ if (config->doubleBufferMode > 0)
+ score += 8;
+ if (config->depthBits > 0)
+ score += 4;
+ if (config->stencilBits > 0)
+ score += 2;
+ if (config->alphaBits > 0)
+ score++;
+
+ if (score > best_score) {
+ best = config;
+ best_score = score;
+ }
+ }
+
+ return best;
+}
+
+static Bool
+glxDestroyWindow(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ __GLXscreen *pGlxScreen = glxGetScreen(pScreen);
+ Bool retval = TRUE;
+
+ FreeResource(pWin->drawable.id, FALSE);
+
+ /* call lower wrapped functions */
+ if (pGlxScreen->DestroyWindow) {
+ /* unwrap */
+ pScreen->DestroyWindow = pGlxScreen->DestroyWindow;
+
+ /* call lower layers */
+ retval = (*pScreen->DestroyWindow)(pWin);
+
+ /* rewrap */
+ pGlxScreen->DestroyWindow = pScreen->DestroyWindow;
+ pScreen->DestroyWindow = glxDestroyWindow;
+ }
+
+ return retval;
+}
+
+void __glXScreenInit(__GLXscreen *pGlxScreen, ScreenPtr pScreen)
+{
+ __GLXconfig *m;
+ __GLXconfig *config;
+ int i;
+
+ pGlxScreen->pScreen = pScreen;
+ pGlxScreen->GLextensions = xstrdup(GLServerExtensions);
+ pGlxScreen->GLXvendor = xstrdup(GLXServerVendorName);
+ pGlxScreen->GLXextensions = xstrdup(GLXServerExtensions);
+
+ /* All GLX providers must support all of the functionality required for at
+ * least GLX 1.2. If the provider supports a higher version, the GLXminor
+ * version can be changed in the provider's screen-probe routine. For
+ * most providers, the screen-probe routine is the caller of this
+ * function.
+ */
+ pGlxScreen->GLXmajor = 1;
+ pGlxScreen->GLXminor = 2;
+
+ pGlxScreen->CloseScreen = pScreen->CloseScreen;
+ pScreen->CloseScreen = glxCloseScreen;
+ pGlxScreen->DestroyWindow = pScreen->DestroyWindow;
+ pScreen->DestroyWindow = glxDestroyWindow;
+
+ i = 0;
+ for (m = pGlxScreen->fbconfigs; m != NULL; m = m->next) {
+ m->fbconfigID = FakeClientID(0);
+ m->visualID = 0;
+ i++;
+ }
+ pGlxScreen->numFBConfigs = i;
+
+ pGlxScreen->visuals =
+ xcalloc(pGlxScreen->numFBConfigs, sizeof (__GLXconfig *));
+
+ /* First, try to choose featureful FBconfigs for the existing X visuals.
+ * Note that if multiple X visuals end up with the same FBconfig being
+ * chosen, the later X visuals don't get GLX visuals (because we want to
+ * prioritize the root visual being GLX).
+ */
+ for (i = 0; i < pScreen->numVisuals; i++) {
+ VisualPtr visual = &pScreen->visuals[i];
+
+ config = pickFBConfig(pGlxScreen, visual);
+ if (config) {
+ pGlxScreen->visuals[pGlxScreen->numVisuals++] = config;
+ config->visualID = visual->vid;
+ }
+ }
+
+ /* Then, add new visuals corresponding to all FBconfigs that didn't have
+ * an existing, appropriate visual.
+ */
+ for (config = pGlxScreen->fbconfigs; config != NULL; config = config->next) {
+ int depth;
+
+ VisualPtr visual;
+
+ if (config->visualID != 0)
+ continue;
+
+ /* Only count RGB bits and not alpha, as we're not trying to create
+ * visuals for compositing (that's what the 32-bit composite visual
+ * set up above is for.
+ */
+ depth = config->redBits + config->greenBits + config->blueBits;
+
+ /* Make sure that our FBconfig's depth can actually be displayed
+ * (corresponds to an existing visual).
+ */
+ for (i = 0; i < pScreen->numVisuals; i++) {
+ if (depth == pScreen->visuals[i].nplanes)
+ break;
+ }
+ if (i == pScreen->numVisuals)
+ continue;
+
+ /* Create a new X visual for our FBconfig. */
+ visual = AddScreenVisuals(pScreen, 1, depth);
+ if (visual == NULL)
+ continue;
+
+ pGlxScreen->visuals[pGlxScreen->numVisuals++] = config;
+ initGlxVisual(visual, config);
+ }
+
+ dixSetPrivate(&pScreen->devPrivates, glxScreenPrivateKey, pGlxScreen);
+}
+
+void __glXScreenDestroy(__GLXscreen *screen)
+{
+ xfree(screen->GLXvendor);
+ xfree(screen->GLXextensions);
+ xfree(screen->GLextensions);
+}
diff --git a/xorg-server/glx/glxserver.h b/xorg-server/glx/glxserver.h
index 1daf97758..296d453eb 100644
--- a/xorg-server/glx/glxserver.h
+++ b/xorg-server/glx/glxserver.h
@@ -1,254 +1,255 @@
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifndef _GLX_server_h_
-#define _GLX_server_h_
-
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * shall be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
- * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include <X11/Xmd.h>
-#include <misc.h>
-#include <dixstruct.h>
-#include <pixmapstr.h>
-#include <gcstruct.h>
-#include <extnsionst.h>
-#include <resource.h>
-#include <scrnintstr.h>
-
-/*
-** The X header misc.h defines these math functions.
-*/
-#undef abs
-#undef fabs
-
-#define GL_GLEXT_PROTOTYPES /* we want prototypes */
-#include <GL/gl.h>
-#include <GL/glxproto.h>
-
-/*
-** GLX resources.
-*/
-typedef XID GLXContextID;
-typedef XID GLXPixmap;
-typedef XID GLXDrawable;
-
-typedef struct __GLXclientStateRec __GLXclientState;
-typedef struct __GLXdrawable __GLXdrawable;
-typedef struct __GLXcontext __GLXcontext;
-
-#include "glxscreens.h"
-#include "glxdrawable.h"
-#include "glxcontext.h"
-
-#ifndef True
-#define True 1
-#endif
-#ifndef False
-#define False 0
-#endif
-
-extern __GLXscreen *glxGetScreen(ScreenPtr pScreen);
-extern __GLXclientState *glxGetClient(ClientPtr pClient);
-
-/************************************************************************/
-
-void GlxExtensionInit(void);
-
-void GlxSetVisualConfigs(int nconfigs,
- void *configs, void **privates);
-
-void __glXScreenInitVisuals(__GLXscreen *screen);
-
-/*
-** The last context used (from the server's persective) is cached.
-*/
-extern __GLXcontext *__glXLastContext;
-extern __GLXcontext *__glXForceCurrent(__GLXclientState*, GLXContextTag, int*);
-
-extern ClientPtr __pGlxClient;
-
-int __glXError(int error);
-
-/*
-** Macros to set, unset, and retrieve the flag that says whether a context
-** has unflushed commands.
-*/
-#define __GLX_NOTE_UNFLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_TRUE
-#define __GLX_NOTE_FLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_FALSE
-#define __GLX_HAS_UNFLUSHED_CMDS(glxc) (glxc->hasUnflushedCommands)
-
-/************************************************************************/
-
-typedef struct __GLXprovider __GLXprovider;
-struct __GLXprovider {
- __GLXscreen *(*screenProbe)(ScreenPtr pScreen);
- const char *name;
- __GLXprovider *next;
-};
-
-void GlxPushProvider(__GLXprovider *provider);
-
-enum {
- GLX_MINIMAL_VISUALS,
- GLX_TYPICAL_VISUALS,
- GLX_ALL_VISUALS
-};
-
-void __glXsetEnterLeaveServerFuncs(void (*enter)(GLboolean),
- void (*leave)(GLboolean));
-void __glXenterServer(GLboolean rendering);
-void __glXleaveServer(GLboolean rendering);
-
-void glxSuspendClients(void);
-void glxResumeClients(void);
-
-/*
-** State kept per client.
-*/
-struct __GLXclientStateRec {
- /*
- ** Whether this structure is currently being used to support a client.
- */
- Bool inUse;
-
- /*
- ** Buffer for returned data.
- */
- GLbyte *returnBuf;
- GLint returnBufSize;
-
- /*
- ** Keep track of large rendering commands, which span multiple requests.
- */
- GLint largeCmdBytesSoFar; /* bytes received so far */
- GLint largeCmdBytesTotal; /* total bytes expected */
- GLint largeCmdRequestsSoFar; /* requests received so far */
- GLint largeCmdRequestsTotal; /* total requests expected */
- GLbyte *largeCmdBuf;
- GLint largeCmdBufSize;
-
- /*
- ** Keep a list of all the contexts that are current for this client's
- ** threads.
- */
- __GLXcontext **currentContexts;
- GLint numCurrentContexts;
-
- /* Back pointer to X client record */
- ClientPtr client;
-
- int GLClientmajorVersion;
- int GLClientminorVersion;
- char *GLClientextensions;
-};
-
-/************************************************************************/
-
-/*
-** Dispatch tables.
-*/
-typedef void (*__GLXdispatchRenderProcPtr)(GLbyte *);
-typedef int (*__GLXdispatchSingleProcPtr)(__GLXclientState *, GLbyte *);
-typedef int (*__GLXdispatchVendorPrivProcPtr)(__GLXclientState *, GLbyte *);
-
-/*
- * Dispatch for GLX commands.
- */
-typedef int (*__GLXprocPtr)(__GLXclientState *, char *pc);
-
-/*
- * Tables for computing the size of each rendering command.
- */
-typedef int (*gl_proto_size_func)(const GLbyte *, Bool);
-
-typedef struct {
- int bytes;
- gl_proto_size_func varsize;
-} __GLXrenderSizeData;
-
-/************************************************************************/
-
-/*
-** X resources.
-*/
-extern RESTYPE __glXContextRes;
-extern RESTYPE __glXClientRes;
-extern RESTYPE __glXPixmapRes;
-extern RESTYPE __glXDrawableRes;
-
-/************************************************************************/
-
-/*
-** Prototypes.
-*/
-
-extern char *__glXcombine_strings(const char *, const char *);
-
-/*
-** Routines for sending swapped replies.
-*/
-
-extern void __glXSwapMakeCurrentReply(ClientPtr client,
- xGLXMakeCurrentReply *reply);
-extern void __glXSwapIsDirectReply(ClientPtr client,
- xGLXIsDirectReply *reply);
-extern void __glXSwapQueryVersionReply(ClientPtr client,
- xGLXQueryVersionReply *reply);
-extern void __glXSwapQueryContextInfoEXTReply(ClientPtr client,
- xGLXQueryContextInfoEXTReply *reply,
- int *buf);
-extern void __glXSwapGetDrawableAttributesReply(ClientPtr client,
- xGLXGetDrawableAttributesReply *reply, CARD32 *buf);
-extern void glxSwapQueryExtensionsStringReply(ClientPtr client,
- xGLXQueryExtensionsStringReply *reply, char *buf);
-extern void glxSwapQueryServerStringReply(ClientPtr client,
- xGLXQueryServerStringReply *reply, char *buf);
-
-
-/*
- * Routines for computing the size of variably-sized rendering commands.
- */
-
-extern int __glXTypeSize(GLenum enm);
-extern int __glXImageSize(GLenum format, GLenum type,
- GLenum target, GLsizei w, GLsizei h, GLsizei d,
- GLint imageHeight, GLint rowLength, GLint skipImages, GLint skipRows,
- GLint alignment);
-
-extern unsigned glxMajorVersion;
-extern unsigned glxMinorVersion;
-
-extern int __glXEventBase;
-
-#endif /* !__GLX_server_h__ */
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#ifndef _GLX_server_h_
+#define _GLX_server_h_
+
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <X11/Xmd.h>
+#include <misc.h>
+#include <dixstruct.h>
+#include <pixmapstr.h>
+#include <gcstruct.h>
+#include <extnsionst.h>
+#include <resource.h>
+#include <scrnintstr.h>
+
+/*
+** The X header misc.h defines these math functions.
+*/
+#undef abs
+#undef fabs
+
+#define GL_GLEXT_PROTOTYPES /* we want prototypes */
+#include <GL/gl.h>
+#include <GL/glext.h>
+#include <GL/glxproto.h>
+
+/*
+** GLX resources.
+*/
+typedef XID GLXContextID;
+typedef XID GLXPixmap;
+typedef XID GLXDrawable;
+
+typedef struct __GLXclientStateRec __GLXclientState;
+typedef struct __GLXdrawable __GLXdrawable;
+typedef struct __GLXcontext __GLXcontext;
+
+#include "glxscreens.h"
+#include "glxdrawable.h"
+#include "glxcontext.h"
+
+#ifndef True
+#define True 1
+#endif
+#ifndef False
+#define False 0
+#endif
+
+extern __GLXscreen *glxGetScreen(ScreenPtr pScreen);
+extern __GLXclientState *glxGetClient(ClientPtr pClient);
+
+/************************************************************************/
+
+void GlxExtensionInit(void);
+
+void GlxSetVisualConfigs(int nconfigs,
+ void *configs, void **privates);
+
+void __glXScreenInitVisuals(__GLXscreen *screen);
+
+/*
+** The last context used (from the server's persective) is cached.
+*/
+extern __GLXcontext *__glXLastContext;
+extern __GLXcontext *__glXForceCurrent(__GLXclientState*, GLXContextTag, int*);
+
+extern ClientPtr __pGlxClient;
+
+int __glXError(int error);
+
+/*
+** Macros to set, unset, and retrieve the flag that says whether a context
+** has unflushed commands.
+*/
+#define __GLX_NOTE_UNFLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_TRUE
+#define __GLX_NOTE_FLUSHED_CMDS(glxc) glxc->hasUnflushedCommands = GL_FALSE
+#define __GLX_HAS_UNFLUSHED_CMDS(glxc) (glxc->hasUnflushedCommands)
+
+/************************************************************************/
+
+typedef struct __GLXprovider __GLXprovider;
+struct __GLXprovider {
+ __GLXscreen *(*screenProbe)(ScreenPtr pScreen);
+ const char *name;
+ __GLXprovider *next;
+};
+
+void GlxPushProvider(__GLXprovider *provider);
+
+enum {
+ GLX_MINIMAL_VISUALS,
+ GLX_TYPICAL_VISUALS,
+ GLX_ALL_VISUALS
+};
+
+void __glXsetEnterLeaveServerFuncs(void (*enter)(GLboolean),
+ void (*leave)(GLboolean));
+void __glXenterServer(GLboolean rendering);
+void __glXleaveServer(GLboolean rendering);
+
+void glxSuspendClients(void);
+void glxResumeClients(void);
+
+/*
+** State kept per client.
+*/
+struct __GLXclientStateRec {
+ /*
+ ** Whether this structure is currently being used to support a client.
+ */
+ Bool inUse;
+
+ /*
+ ** Buffer for returned data.
+ */
+ GLbyte *returnBuf;
+ GLint returnBufSize;
+
+ /*
+ ** Keep track of large rendering commands, which span multiple requests.
+ */
+ GLint largeCmdBytesSoFar; /* bytes received so far */
+ GLint largeCmdBytesTotal; /* total bytes expected */
+ GLint largeCmdRequestsSoFar; /* requests received so far */
+ GLint largeCmdRequestsTotal; /* total requests expected */
+ GLbyte *largeCmdBuf;
+ GLint largeCmdBufSize;
+
+ /*
+ ** Keep a list of all the contexts that are current for this client's
+ ** threads.
+ */
+ __GLXcontext **currentContexts;
+ GLint numCurrentContexts;
+
+ /* Back pointer to X client record */
+ ClientPtr client;
+
+ int GLClientmajorVersion;
+ int GLClientminorVersion;
+ char *GLClientextensions;
+};
+
+/************************************************************************/
+
+/*
+** Dispatch tables.
+*/
+typedef void (*__GLXdispatchRenderProcPtr)(GLbyte *);
+typedef int (*__GLXdispatchSingleProcPtr)(__GLXclientState *, GLbyte *);
+typedef int (*__GLXdispatchVendorPrivProcPtr)(__GLXclientState *, GLbyte *);
+
+/*
+ * Dispatch for GLX commands.
+ */
+typedef int (*__GLXprocPtr)(__GLXclientState *, char *pc);
+
+/*
+ * Tables for computing the size of each rendering command.
+ */
+typedef int (*gl_proto_size_func)(const GLbyte *, Bool);
+
+typedef struct {
+ int bytes;
+ gl_proto_size_func varsize;
+} __GLXrenderSizeData;
+
+/************************************************************************/
+
+/*
+** X resources.
+*/
+extern RESTYPE __glXContextRes;
+extern RESTYPE __glXClientRes;
+extern RESTYPE __glXPixmapRes;
+extern RESTYPE __glXDrawableRes;
+
+/************************************************************************/
+
+/*
+** Prototypes.
+*/
+
+extern char *__glXcombine_strings(const char *, const char *);
+
+/*
+** Routines for sending swapped replies.
+*/
+
+extern void __glXSwapMakeCurrentReply(ClientPtr client,
+ xGLXMakeCurrentReply *reply);
+extern void __glXSwapIsDirectReply(ClientPtr client,
+ xGLXIsDirectReply *reply);
+extern void __glXSwapQueryVersionReply(ClientPtr client,
+ xGLXQueryVersionReply *reply);
+extern void __glXSwapQueryContextInfoEXTReply(ClientPtr client,
+ xGLXQueryContextInfoEXTReply *reply,
+ int *buf);
+extern void __glXSwapGetDrawableAttributesReply(ClientPtr client,
+ xGLXGetDrawableAttributesReply *reply, CARD32 *buf);
+extern void glxSwapQueryExtensionsStringReply(ClientPtr client,
+ xGLXQueryExtensionsStringReply *reply, char *buf);
+extern void glxSwapQueryServerStringReply(ClientPtr client,
+ xGLXQueryServerStringReply *reply, char *buf);
+
+
+/*
+ * Routines for computing the size of variably-sized rendering commands.
+ */
+
+extern int __glXTypeSize(GLenum enm);
+extern int __glXImageSize(GLenum format, GLenum type,
+ GLenum target, GLsizei w, GLsizei h, GLsizei d,
+ GLint imageHeight, GLint rowLength, GLint skipImages, GLint skipRows,
+ GLint alignment);
+
+extern unsigned glxMajorVersion;
+extern unsigned glxMinorVersion;
+
+extern int __glXEventBase;
+
+#endif /* !__GLX_server_h__ */
diff --git a/xorg-server/glx/indirect_dispatch.c b/xorg-server/glx/indirect_dispatch.c
index 666551903..1da14750d 100644
--- a/xorg-server/glx/indirect_dispatch.c
+++ b/xorg-server/glx/indirect_dispatch.c
@@ -24,6 +24,13 @@
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
+#endif
#include <X11/Xmd.h>
#include <GL/gl.h>
diff --git a/xorg-server/glx/indirect_dispatch_swap.c b/xorg-server/glx/indirect_dispatch_swap.c
index 3221c809d..64d9dc99b 100644
--- a/xorg-server/glx/indirect_dispatch_swap.c
+++ b/xorg-server/glx/indirect_dispatch_swap.c
@@ -24,6 +24,13 @@
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
+#endif
#include <X11/Xmd.h>
#include <GL/gl.h>
diff --git a/xorg-server/glx/indirect_program.c b/xorg-server/glx/indirect_program.c
index 237da2908..165d12bd9 100644
--- a/xorg-server/glx/indirect_program.c
+++ b/xorg-server/glx/indirect_program.c
@@ -31,6 +31,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include "glxserver.h"
diff --git a/xorg-server/glx/indirect_reqsize.c b/xorg-server/glx/indirect_reqsize.c
index 35bb9370f..ed64d0f46 100644
--- a/xorg-server/glx/indirect_reqsize.c
+++ b/xorg-server/glx/indirect_reqsize.c
@@ -25,6 +25,13 @@
* SOFTWARE.
*/
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
+#endif
#include <GL/gl.h>
#include "glxserver.h"
diff --git a/xorg-server/glx/indirect_size_get.c b/xorg-server/glx/indirect_size_get.c
index 5a2dbed29..af4ec9e8e 100644
--- a/xorg-server/glx/indirect_size_get.c
+++ b/xorg-server/glx/indirect_size_get.c
@@ -25,6 +25,13 @@
* SOFTWARE.
*/
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
+#endif
#include <GL/gl.h>
#include "indirect_size_get.h"
@@ -888,7 +895,9 @@ __glGetTexLevelParameterfv_size(GLenum e)
case GL_TEXTURE_INTENSITY_SIZE:
/* case GL_TEXTURE_INTENSITY_SIZE_EXT:*/
case GL_TEXTURE_DEPTH:
+#ifndef _MSC_VER
case GL_TEXTURE_INDEX_SIZE_EXT:
+#endif
case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
/* case GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB:*/
case GL_TEXTURE_COMPRESSED:
diff --git a/xorg-server/glx/indirect_table.c b/xorg-server/glx/indirect_table.c
index cb3202605..b5ac86a5a 100644
--- a/xorg-server/glx/indirect_table.c
+++ b/xorg-server/glx/indirect_table.c
@@ -25,6 +25,10 @@
* SOFTWARE.
*/
+#ifndef HAVE_DIX_CONFIG_H
+#include "glheader.h"
+#endif
+
#include <inttypes.h>
#include "glxserver.h"
#include "glxext.h"
diff --git a/xorg-server/glx/indirect_texture_compression.c b/xorg-server/glx/indirect_texture_compression.c
index 5f44d7b1a..2de255533 100644
--- a/xorg-server/glx/indirect_texture_compression.c
+++ b/xorg-server/glx/indirect_texture_compression.c
@@ -25,6 +25,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include "glxserver.h"
diff --git a/xorg-server/glx/indirect_util.c b/xorg-server/glx/indirect_util.c
index 44309104e..2f48ab2b0 100644
--- a/xorg-server/glx/indirect_util.c
+++ b/xorg-server/glx/indirect_util.c
@@ -25,6 +25,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include <string.h>
diff --git a/xorg-server/glx/makefile b/xorg-server/glx/makefile
new file mode 100644
index 000000000..65eac87fb
--- /dev/null
+++ b/xorg-server/glx/makefile
@@ -0,0 +1,42 @@
+LIBRARY=libglx
+
+DEFINES += GLAPIENTRY=__stdcall
+
+
+glapi_sources = \
+ indirect_dispatch.c \
+ indirect_dispatch_swap.c \
+ indirect_reqsize.c \
+ indirect_size_get.c \
+ indirect_table.c \
+ glapi.c \
+ glthread.c
+libglxdri_la_SOURCES = \
+ extension_string.c
+
+CSRCS = \
+ $(indirect_sources) \
+ $(glapi_sources) \
+ $(libglxdri_la_SOURCES) \
+ indirect_util.c \
+ indirect_program.c \
+ indirect_texture_compression.c \
+ glxcmds.c \
+ glxcmdsswap.c \
+ glxext.c \
+ glxdriswrast.c \
+ glxdricommon.c \
+ glxscreens.c \
+ render2.c \
+ render2swap.c \
+ renderpix.c \
+ renderpixswap.c \
+ rensize.c \
+ single2.c \
+ single2swap.c \
+ singlepix.c \
+ singlepixswap.c \
+ singlesize.c \
+ swap_interval.c \
+ xfont.c
+
diff --git a/xorg-server/glx/render2.c b/xorg-server/glx/render2.c
index eb7c30ba0..32cee4160 100644
--- a/xorg-server/glx/render2.c
+++ b/xorg-server/glx/render2.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include <glxserver.h>
diff --git a/xorg-server/glx/render2swap.c b/xorg-server/glx/render2swap.c
index 17354c4f8..59cb93a6a 100644
--- a/xorg-server/glx/render2swap.c
+++ b/xorg-server/glx/render2swap.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include "glxserver.h"
diff --git a/xorg-server/glx/renderpix.c b/xorg-server/glx/renderpix.c
index 056e62c87..3e5612036 100644
--- a/xorg-server/glx/renderpix.c
+++ b/xorg-server/glx/renderpix.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include "glxserver.h"
diff --git a/xorg-server/glx/renderpixswap.c b/xorg-server/glx/renderpixswap.c
index 9cd57410e..a73ed1e3c 100644
--- a/xorg-server/glx/renderpixswap.c
+++ b/xorg-server/glx/renderpixswap.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include "glxserver.h"
diff --git a/xorg-server/glx/rensize.c b/xorg-server/glx/rensize.c
index 8a58e08d7..6b85dc116 100644
--- a/xorg-server/glx/rensize.c
+++ b/xorg-server/glx/rensize.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include <GL/gl.h>
@@ -219,7 +223,9 @@ int __glXImageSize( GLenum format, GLenum type, GLenum target,
case GL_422_AVERAGE_EXT:
case GL_422_REV_AVERAGE_EXT:
case GL_DEPTH_STENCIL_NV:
+#ifndef _MSC_VER
case GL_DEPTH_STENCIL_MESA:
+#endif
case GL_YCBCR_MESA:
case GL_LUMINANCE_ALPHA:
elementsPerGroup = 2;
@@ -258,11 +264,13 @@ int __glXImageSize( GLenum format, GLenum type, GLenum target,
case GL_UNSIGNED_SHORT_1_5_5_5_REV:
case GL_UNSIGNED_SHORT_8_8_APPLE:
case GL_UNSIGNED_SHORT_8_8_REV_APPLE:
+#ifndef _MSC_VER
case GL_UNSIGNED_SHORT_15_1_MESA:
case GL_UNSIGNED_SHORT_1_15_REV_MESA:
bytesPerElement = 2;
elementsPerGroup = 1;
break;
+#endif
case GL_INT:
case GL_UNSIGNED_INT:
case GL_FLOAT:
@@ -273,8 +281,10 @@ int __glXImageSize( GLenum format, GLenum type, GLenum target,
case GL_UNSIGNED_INT_10_10_10_2:
case GL_UNSIGNED_INT_2_10_10_10_REV:
case GL_UNSIGNED_INT_24_8_NV:
+#ifndef _MSC_VER
case GL_UNSIGNED_INT_24_8_MESA:
case GL_UNSIGNED_INT_8_24_REV_MESA:
+#endif
bytesPerElement = 4;
elementsPerGroup = 1;
break;
diff --git a/xorg-server/glx/single2.c b/xorg-server/glx/single2.c
index 50a59ed71..f6e474c46 100644
--- a/xorg-server/glx/single2.c
+++ b/xorg-server/glx/single2.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include <string.h>
diff --git a/xorg-server/glx/single2swap.c b/xorg-server/glx/single2swap.c
index cf83bdc88..e27e97aee 100644
--- a/xorg-server/glx/single2swap.c
+++ b/xorg-server/glx/single2swap.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include "glxserver.h"
diff --git a/xorg-server/glx/singlepix.c b/xorg-server/glx/singlepix.c
index a0a6a7918..656f1ec5e 100644
--- a/xorg-server/glx/singlepix.c
+++ b/xorg-server/glx/singlepix.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include "glxserver.h"
diff --git a/xorg-server/glx/singlepixswap.c b/xorg-server/glx/singlepixswap.c
index a7febc9a6..c7d2d1562 100644
--- a/xorg-server/glx/singlepixswap.c
+++ b/xorg-server/glx/singlepixswap.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include "glxserver.h"
diff --git a/xorg-server/glx/singlesize.c b/xorg-server/glx/singlesize.c
index 9e95dd3d3..a9a2be66b 100644
--- a/xorg-server/glx/singlesize.c
+++ b/xorg-server/glx/singlesize.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include <GL/gl.h>
diff --git a/xorg-server/glx/swap_interval.c b/xorg-server/glx/swap_interval.c
index 0bae3247e..d8b4ab2b6 100644
--- a/xorg-server/glx/swap_interval.c
+++ b/xorg-server/glx/swap_interval.c
@@ -24,6 +24,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include "glxserver.h"
diff --git a/xorg-server/glx/xfont.c b/xorg-server/glx/xfont.c
index b8b466d87..2af5996f3 100644
--- a/xorg-server/glx/xfont.c
+++ b/xorg-server/glx/xfont.c
@@ -30,6 +30,10 @@
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
+#else
+
+#include "glheader.h"
+
#endif
#include "glxserver.h"