diff options
Diffstat (limited to 'xorg-server/hw/xquartz/GL/indirect.c')
-rw-r--r-- | xorg-server/hw/xquartz/GL/indirect.c | 1230 |
1 files changed, 615 insertions, 615 deletions
diff --git a/xorg-server/hw/xquartz/GL/indirect.c b/xorg-server/hw/xquartz/GL/indirect.c index 27d6daebd..27fa7fc36 100644 --- a/xorg-server/hw/xquartz/GL/indirect.c +++ b/xorg-server/hw/xquartz/GL/indirect.c @@ -1,615 +1,615 @@ -/* - * GLX implementation that uses Apple's OpenGL.framework - * (Indirect rendering path -- it's also used for some direct mode code too) - * - * Copyright (c) 2007-2011 Apple Inc. - * Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved. - * Copyright (c) 2002 Greg Parker. All Rights Reserved. - * - * Portions of this file are copied from Mesa's xf86glx.c, - * which contains the following copyright: - * - * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. - * 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 and this permission notice 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 - * THE ABOVE LISTED COPYRIGHT HOLDER(S) 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. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <AvailabilityMacros.h> - -#include <dlfcn.h> - -#include <OpenGL/OpenGL.h> -#include <OpenGL/gl.h> /* Just to prevent glxserver.h from loading mesa's and colliding with OpenGL.h */ - -#include <X11/Xproto.h> -#include <GL/glxproto.h> - -#include <glxserver.h> -#include <glxutil.h> - -typedef unsigned long long GLuint64EXT; -typedef long long GLint64EXT; -#include <dispatch.h> -#include <glapi.h> - -#include "x-hash.h" - -#include "visualConfigs.h" -#include "dri.h" - -#include "darwin.h" -#define GLAQUA_DEBUG_MSG(msg, args...) ASL_LOG(ASL_LEVEL_DEBUG, "GLXAqua", msg, ##args) - -__GLXprovider * GlxGetDRISWrastProvider (void); - -static void setup_dispatch_table(void); -GLuint __glFloorLog2(GLuint val); -void warn_func(void * p1, char *format, ...); - -// some prototypes -static __GLXscreen * __glXAquaScreenProbe(ScreenPtr pScreen); -static __GLXdrawable * __glXAquaScreenCreateDrawable(ClientPtr client, __GLXscreen *screen, DrawablePtr pDraw, XID drawId, int type, XID glxDrawId, __GLXconfig *conf); - -static void __glXAquaContextDestroy(__GLXcontext *baseContext); -static int __glXAquaContextMakeCurrent(__GLXcontext *baseContext); -static int __glXAquaContextLoseCurrent(__GLXcontext *baseContext); -static int __glXAquaContextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc, unsigned long mask); - -static CGLPixelFormatObj makeFormat(__GLXconfig *conf); - -__GLXprovider __glXDRISWRastProvider = { - __glXAquaScreenProbe, - "Core OpenGL", - NULL -}; - -typedef struct __GLXAquaScreen __GLXAquaScreen; -typedef struct __GLXAquaContext __GLXAquaContext; -typedef struct __GLXAquaDrawable __GLXAquaDrawable; - -/* - * The following structs must keep the base as the first member. - * It's used to treat the start of the struct as a different struct - * in GLX. - * - * Note: these structs should be initialized with xcalloc or memset - * prior to usage, and some of them require initializing - * the base with function pointers. - */ -struct __GLXAquaScreen { - __GLXscreen base; - int index; - int num_vis; -}; - -struct __GLXAquaContext { - __GLXcontext base; - CGLContextObj ctx; - CGLPixelFormatObj pixelFormat; - xp_surface_id sid; - unsigned isAttached :1; -}; - -struct __GLXAquaDrawable { - __GLXdrawable base; - DrawablePtr pDraw; - xp_surface_id sid; - __GLXAquaContext *context; -}; - - -static __GLXcontext * -__glXAquaScreenCreateContext(__GLXscreen *screen, - __GLXconfig *conf, - __GLXcontext *baseShareContext) -{ - __GLXAquaContext *context; - __GLXAquaContext *shareContext = (__GLXAquaContext *) baseShareContext; - CGLError gl_err; - - GLAQUA_DEBUG_MSG("glXAquaScreenCreateContext\n"); - - context = calloc(1, sizeof (__GLXAquaContext)); - - if (context == NULL) - return NULL; - - memset(context, 0, sizeof *context); - - context->base.pGlxScreen = screen; - - context->base.destroy = __glXAquaContextDestroy; - context->base.makeCurrent = __glXAquaContextMakeCurrent; - context->base.loseCurrent = __glXAquaContextLoseCurrent; - context->base.copy = __glXAquaContextCopy; - /*FIXME verify that the context->base is fully initialized. */ - - context->pixelFormat = makeFormat(conf); - - if (!context->pixelFormat) { - free(context); - return NULL; - } - - context->ctx = NULL; - gl_err = CGLCreateContext(context->pixelFormat, - shareContext ? shareContext->ctx : NULL, - &context->ctx); - - if (gl_err != 0) { - ErrorF("CGLCreateContext error: %s\n", CGLErrorString(gl_err)); - CGLDestroyPixelFormat(context->pixelFormat); - free(context); - return NULL; - } - - setup_dispatch_table(); - GLAQUA_DEBUG_MSG("glAquaCreateContext done\n"); - - return &context->base; -} - -/* maps from surface id -> list of __GLcontext */ -static x_hash_table *surface_hash; - -static void __glXAquaContextDestroy(__GLXcontext *baseContext) { - x_list *lst; - - __GLXAquaContext *context = (__GLXAquaContext *) baseContext; - - GLAQUA_DEBUG_MSG("glAquaContextDestroy (ctx %p)\n", baseContext); - if (context != NULL) { - if (context->sid != 0 && surface_hash != NULL) { - lst = x_hash_table_lookup(surface_hash, x_cvt_uint_to_vptr(context->sid), NULL); - lst = x_list_remove(lst, context); - x_hash_table_insert(surface_hash, x_cvt_uint_to_vptr(context->sid), lst); - } - - if (context->ctx != NULL) - CGLDestroyContext(context->ctx); - - if (context->pixelFormat != NULL) - CGLDestroyPixelFormat(context->pixelFormat); - - free(context); - } -} - -static int __glXAquaContextLoseCurrent(__GLXcontext *baseContext) { - CGLError gl_err; - - GLAQUA_DEBUG_MSG("glAquaLoseCurrent (ctx 0x%p)\n", baseContext); - - gl_err = CGLSetCurrentContext(NULL); - if (gl_err != 0) - ErrorF("CGLSetCurrentContext error: %s\n", CGLErrorString(gl_err)); - - /* - * There should be no need to set __glXLastContext to NULL here, because - * glxcmds.c does it as part of the context cache flush after calling - * this. - */ - - return GL_TRUE; -} - -/* Called when a surface is destroyed as a side effect of destroying - the window it's attached to. */ -static void surface_notify(void *_arg, void *data) { - DRISurfaceNotifyArg *arg = (DRISurfaceNotifyArg *)_arg; - __GLXAquaDrawable *draw = (__GLXAquaDrawable *)data; - __GLXAquaContext *context; - x_list *lst; - if(_arg == NULL || data == NULL) { - ErrorF("surface_notify called with bad params"); - return; - } - - GLAQUA_DEBUG_MSG("surface_notify(%p, %p)\n", _arg, data); - switch (arg->kind) { - case AppleDRISurfaceNotifyDestroyed: - if (surface_hash != NULL) - x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(arg->id)); - draw->pDraw = NULL; - draw->sid = 0; - break; - - case AppleDRISurfaceNotifyChanged: - if (surface_hash != NULL) { - lst = x_hash_table_lookup(surface_hash, x_cvt_uint_to_vptr(arg->id), NULL); - for (; lst != NULL; lst = lst->next) - { - context = lst->data; - xp_update_gl_context(context->ctx); - } - } - break; - default: - ErrorF("surface_notify: unknown kind %d\n", arg->kind); - break; - } -} - -static BOOL attach(__GLXAquaContext *context, __GLXAquaDrawable *draw) { - DrawablePtr pDraw; - - GLAQUA_DEBUG_MSG("attach(%p, %p)\n", context, draw); - - if(NULL == context || NULL == draw) - return TRUE; - - pDraw = draw->base.pDraw; - - if(NULL == pDraw) { - ErrorF("%s:%s() pDraw is NULL!\n", __FILE__, __func__); - return TRUE; - } - - if (draw->sid == 0) { - //if (!quartzProcs->CreateSurface(pDraw->pScreen, pDraw->id, pDraw, - if (!DRICreateSurface(pDraw->pScreen, pDraw->id, pDraw, - 0, &draw->sid, NULL, - surface_notify, draw)) - return TRUE; - draw->pDraw = pDraw; - } - - if (!context->isAttached || context->sid != draw->sid) { - x_list *lst; - - if (xp_attach_gl_context(context->ctx, draw->sid) != Success) { - //quartzProcs->DestroySurface(pDraw->pScreen, pDraw->id, pDraw, - DRIDestroySurface(pDraw->pScreen, pDraw->id, pDraw, - surface_notify, draw); - if (surface_hash != NULL) - x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(draw->sid)); - - draw->sid = 0; - return TRUE; - } - - context->isAttached = TRUE; - context->sid = draw->sid; - - if (surface_hash == NULL) - surface_hash = x_hash_table_new(NULL, NULL, NULL, NULL); - - lst = x_hash_table_lookup(surface_hash, x_cvt_uint_to_vptr(context->sid), NULL); - if (x_list_find(lst, context) == NULL) { - lst = x_list_prepend(lst, context); - x_hash_table_insert(surface_hash, x_cvt_uint_to_vptr(context->sid), lst); - } - - - - GLAQUA_DEBUG_MSG("attached 0x%x to 0x%x\n", (unsigned int) pDraw->id, - (unsigned int) draw->sid); - } - - draw->context = context; - - return FALSE; -} - -#if 0 // unused -static void unattach(__GLXAquaContext *context) { - x_list *lst; - GLAQUA_DEBUG_MSG("unattach\n"); - if (context == NULL) { - ErrorF("Tried to unattach a null context\n"); - return; - } - if (context->isAttached) { - GLAQUA_DEBUG_MSG("unattaching\n"); - - if (surface_hash != NULL) { - lst = x_hash_table_lookup(surface_hash, (void *) context->sid, NULL); - lst = x_list_remove(lst, context); - x_hash_table_insert(surface_hash, (void *) context->sid, lst); - } - - CGLClearDrawable(context->ctx); - context->isAttached = FALSE; - context->sid = 0; - } -} -#endif - -static int __glXAquaContextMakeCurrent(__GLXcontext *baseContext) { - CGLError gl_err; - __GLXAquaContext *context = (__GLXAquaContext *) baseContext; - __GLXAquaDrawable *drawPriv = (__GLXAquaDrawable *) context->base.drawPriv; - - GLAQUA_DEBUG_MSG("glAquaMakeCurrent (ctx 0x%p)\n", baseContext); - - if(attach(context, drawPriv)) - return /*error*/ 0; - - gl_err = CGLSetCurrentContext(context->ctx); - if (gl_err != 0) - ErrorF("CGLSetCurrentContext error: %s\n", CGLErrorString(gl_err)); - - return gl_err == 0; -} - -static int __glXAquaContextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc, unsigned long mask) -{ - CGLError gl_err; - - __GLXAquaContext *dst = (__GLXAquaContext *) baseDst; - __GLXAquaContext *src = (__GLXAquaContext *) baseSrc; - - GLAQUA_DEBUG_MSG("GLXAquaContextCopy\n"); - - gl_err = CGLCopyContext(src->ctx, dst->ctx, mask); - if (gl_err != 0) - ErrorF("CGLCopyContext error: %s\n", CGLErrorString(gl_err)); - - return gl_err == 0; -} - -/* Drawing surface notification callbacks */ -static GLboolean __glXAquaDrawableSwapBuffers(ClientPtr client, __GLXdrawable *base) { - CGLError err; - __GLXAquaDrawable *drawable; - - // GLAQUA_DEBUG_MSG("glAquaDrawableSwapBuffers(%p)\n",base); - - if(!base) { - ErrorF("%s passed NULL\n", __func__); - return GL_FALSE; - } - - drawable = (__GLXAquaDrawable *)base; - - if(NULL == drawable->context) { - ErrorF("%s called with a NULL->context for drawable %p!\n", - __func__, (void *)drawable); - return GL_FALSE; - } - - err = CGLFlushDrawable(drawable->context->ctx); - - if(kCGLNoError != err) { - ErrorF("CGLFlushDrawable error: %s in %s\n", CGLErrorString(err), - __func__); - return GL_FALSE; - } - - return GL_TRUE; -} - - -static CGLPixelFormatObj makeFormat(__GLXconfig *conf) { - CGLPixelFormatAttribute attr[64]; - CGLPixelFormatObj fobj; - GLint formats; - CGLError error; - int i = 0; - - if(conf->doubleBufferMode) - attr[i++] = kCGLPFADoubleBuffer; - - if(conf->stereoMode) - attr[i++] = kCGLPFAStereo; - - attr[i++] = kCGLPFAColorSize; - attr[i++] = conf->redBits + conf->greenBits + conf->blueBits; - attr[i++] = kCGLPFAAlphaSize; - attr[i++] = conf->alphaBits; - - if((conf->accumRedBits + conf->accumGreenBits + conf->accumBlueBits + - conf->accumAlphaBits) > 0) { - - attr[i++] = kCGLPFAAccumSize; - attr[i++] = conf->accumRedBits + conf->accumGreenBits - + conf->accumBlueBits + conf->accumAlphaBits; - } - - attr[i++] = kCGLPFADepthSize; - attr[i++] = conf->depthBits; - - if(conf->stencilBits) { - attr[i++] = kCGLPFAStencilSize; - attr[i++] = conf->stencilBits; - } - - if(conf->numAuxBuffers > 0) { - attr[i++] = kCGLPFAAuxBuffers; - attr[i++] = conf->numAuxBuffers; - } - - if(conf->sampleBuffers > 0) { - attr[i++] = kCGLPFASampleBuffers; - attr[i++] = conf->sampleBuffers; - attr[i++] = kCGLPFASamples; - attr[i++] = conf->samples; - } - - attr[i] = 0; - - error = CGLChoosePixelFormat(attr, &fobj, &formats); - if(error) { - ErrorF("error: creating pixel format %s\n", CGLErrorString(error)); - return NULL; - } - - return fobj; -} - -static void __glXAquaScreenDestroy(__GLXscreen *screen) { - - GLAQUA_DEBUG_MSG("glXAquaScreenDestroy(%p)\n", screen); - __glXScreenDestroy(screen); - - free(screen); -} - -/* This is called by __glXInitScreens(). */ -static __GLXscreen * __glXAquaScreenProbe(ScreenPtr pScreen) { - __GLXAquaScreen *screen; - - GLAQUA_DEBUG_MSG("glXAquaScreenProbe\n"); - - if (pScreen == NULL) - return NULL; - - screen = calloc(1, sizeof *screen); - - if(NULL == screen) - return NULL; - - screen->base.destroy = __glXAquaScreenDestroy; - screen->base.createContext = __glXAquaScreenCreateContext; - screen->base.createDrawable = __glXAquaScreenCreateDrawable; - screen->base.swapInterval = /*FIXME*/ NULL; - screen->base.pScreen = pScreen; - - screen->base.fbconfigs = __glXAquaCreateVisualConfigs(&screen->base.numFBConfigs, pScreen->myNum); - - __glXScreenInit(&screen->base, pScreen); - - screen->base.GLXmajor = 1; - screen->base.GLXminor = 4; - screen->base.GLXextensions = strdup("GLX_SGIX_fbconfig " - "GLX_SGIS_multisample " - "GLX_ARB_multisample " - "GLX_EXT_visual_info " - "GLX_EXT_import_context "); - - /*We may be able to add more GLXextensions at a later time. */ - - return &screen->base; -} - -#if 0 // unused -static void __glXAquaDrawableCopySubBuffer (__GLXdrawable *drawable, - int x, int y, int w, int h) { - /*TODO finish me*/ -} -#endif - -static void __glXAquaDrawableDestroy(__GLXdrawable *base) { - /* gstaplin: base is the head of the structure, so it's at the same - * offset in memory. - * Is this safe with strict aliasing? I noticed that the other dri code - * does this too... - */ - __GLXAquaDrawable *glxPriv = (__GLXAquaDrawable *)base; - - GLAQUA_DEBUG_MSG("TRACE"); - - /* It doesn't work to call DRIDestroySurface here, the drawable's - already gone.. But dri.c notices the window destruction and - frees the surface itself. */ - - /*gstaplin: verify the statement above. The surface destroy - *messages weren't making it through, and may still not be. - *We need a good test case for surface creation and destruction. - *We also need a good way to enable introspection on the server - *to validate the test, beyond using gdb with print. - */ - - free(glxPriv); -} - -static __GLXdrawable * -__glXAquaScreenCreateDrawable(ClientPtr client, - __GLXscreen *screen, - DrawablePtr pDraw, - XID drawId, - int type, - XID glxDrawId, - __GLXconfig *conf) { - __GLXAquaDrawable *glxPriv; - - glxPriv = malloc(sizeof *glxPriv); - - if(glxPriv == NULL) - return NULL; - - memset(glxPriv, 0, sizeof *glxPriv); - - if(!__glXDrawableInit(&glxPriv->base, screen, pDraw, type, glxDrawId, conf)) { - free(glxPriv); - return NULL; - } - - glxPriv->base.destroy = __glXAquaDrawableDestroy; - glxPriv->base.swapBuffers = __glXAquaDrawableSwapBuffers; - glxPriv->base.copySubBuffer = NULL; /* __glXAquaDrawableCopySubBuffer; */ - - glxPriv->pDraw = pDraw; - glxPriv->sid = 0; - glxPriv->context = NULL; - - return &glxPriv->base; -} - -// Extra goodies for glx - -GLuint __glFloorLog2(GLuint val) -{ - int c = 0; - - while (val > 1) { - c++; - val >>= 1; - } - return c; -} - -#ifndef OPENGL_FRAMEWORK_PATH -#define OPENGL_FRAMEWORK_PATH "/System/Library/Frameworks/OpenGL.framework/OpenGL" -#endif - -static void setup_dispatch_table(void) { - static struct _glapi_table *disp = NULL; - static void *handle; - const char *opengl_framework_path; - - if(disp) { - _glapi_set_dispatch(disp); - return; - } - - opengl_framework_path = getenv("OPENGL_FRAMEWORK_PATH"); - if (!opengl_framework_path) { - opengl_framework_path = OPENGL_FRAMEWORK_PATH; - } - - (void) dlerror(); /*drain dlerror */ - handle = dlopen(opengl_framework_path, RTLD_LOCAL); - - if (!handle) { - ErrorF("unable to dlopen %s : %s, using RTLD_DEFAULT\n", - opengl_framework_path, dlerror()); - handle = RTLD_DEFAULT; - } - - disp = _glapi_create_table_from_handle(handle, "gl"); - assert(disp); - - _glapi_set_dispatch(disp); -} +/*
+ * GLX implementation that uses Apple's OpenGL.framework
+ * (Indirect rendering path -- it's also used for some direct mode code too)
+ *
+ * Copyright (c) 2007-2011 Apple Inc.
+ * Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved.
+ * Copyright (c) 2002 Greg Parker. All Rights Reserved.
+ *
+ * Portions of this file are copied from Mesa's xf86glx.c,
+ * which contains the following copyright:
+ *
+ * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+ * 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 and this permission notice 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
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) 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.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <AvailabilityMacros.h>
+
+#include <dlfcn.h>
+
+#include <OpenGL/OpenGL.h>
+#include <OpenGL/gl.h> /* Just to prevent glxserver.h from loading mesa's and colliding with OpenGL.h */
+
+#include <X11/Xproto.h>
+#include <GL/glxproto.h>
+
+#include <glxserver.h>
+#include <glxutil.h>
+
+typedef unsigned long long GLuint64EXT;
+typedef long long GLint64EXT;
+#include <dispatch.h>
+#include <glapi.h>
+
+#include "x-hash.h"
+
+#include "visualConfigs.h"
+#include "dri.h"
+
+#include "darwin.h"
+#define GLAQUA_DEBUG_MSG(msg, args...) ASL_LOG(ASL_LEVEL_DEBUG, "GLXAqua", msg, ##args)
+
+__GLXprovider * GlxGetDRISWrastProvider (void);
+
+static void setup_dispatch_table(void);
+GLuint __glFloorLog2(GLuint val);
+void warn_func(void * p1, char *format, ...);
+
+// some prototypes
+static __GLXscreen * __glXAquaScreenProbe(ScreenPtr pScreen);
+static __GLXdrawable * __glXAquaScreenCreateDrawable(ClientPtr client, __GLXscreen *screen, DrawablePtr pDraw, XID drawId, int type, XID glxDrawId, __GLXconfig *conf);
+
+static void __glXAquaContextDestroy(__GLXcontext *baseContext);
+static int __glXAquaContextMakeCurrent(__GLXcontext *baseContext);
+static int __glXAquaContextLoseCurrent(__GLXcontext *baseContext);
+static int __glXAquaContextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc, unsigned long mask);
+
+static CGLPixelFormatObj makeFormat(__GLXconfig *conf);
+
+__GLXprovider __glXDRISWRastProvider = {
+ __glXAquaScreenProbe,
+ "Core OpenGL",
+ NULL
+};
+
+typedef struct __GLXAquaScreen __GLXAquaScreen;
+typedef struct __GLXAquaContext __GLXAquaContext;
+typedef struct __GLXAquaDrawable __GLXAquaDrawable;
+
+/*
+ * The following structs must keep the base as the first member.
+ * It's used to treat the start of the struct as a different struct
+ * in GLX.
+ *
+ * Note: these structs should be initialized with xcalloc or memset
+ * prior to usage, and some of them require initializing
+ * the base with function pointers.
+ */
+struct __GLXAquaScreen {
+ __GLXscreen base;
+ int index;
+ int num_vis;
+};
+
+struct __GLXAquaContext {
+ __GLXcontext base;
+ CGLContextObj ctx;
+ CGLPixelFormatObj pixelFormat;
+ xp_surface_id sid;
+ unsigned isAttached :1;
+};
+
+struct __GLXAquaDrawable {
+ __GLXdrawable base;
+ DrawablePtr pDraw;
+ xp_surface_id sid;
+ __GLXAquaContext *context;
+};
+
+
+static __GLXcontext *
+__glXAquaScreenCreateContext(__GLXscreen *screen,
+ __GLXconfig *conf,
+ __GLXcontext *baseShareContext)
+{
+ __GLXAquaContext *context;
+ __GLXAquaContext *shareContext = (__GLXAquaContext *) baseShareContext;
+ CGLError gl_err;
+
+ GLAQUA_DEBUG_MSG("glXAquaScreenCreateContext\n");
+
+ context = calloc(1, sizeof (__GLXAquaContext));
+
+ if (context == NULL)
+ return NULL;
+
+ memset(context, 0, sizeof *context);
+
+ context->base.pGlxScreen = screen;
+
+ context->base.destroy = __glXAquaContextDestroy;
+ context->base.makeCurrent = __glXAquaContextMakeCurrent;
+ context->base.loseCurrent = __glXAquaContextLoseCurrent;
+ context->base.copy = __glXAquaContextCopy;
+ /*FIXME verify that the context->base is fully initialized. */
+
+ context->pixelFormat = makeFormat(conf);
+
+ if (!context->pixelFormat) {
+ free(context);
+ return NULL;
+ }
+
+ context->ctx = NULL;
+ gl_err = CGLCreateContext(context->pixelFormat,
+ shareContext ? shareContext->ctx : NULL,
+ &context->ctx);
+
+ if (gl_err != 0) {
+ ErrorF("CGLCreateContext error: %s\n", CGLErrorString(gl_err));
+ CGLDestroyPixelFormat(context->pixelFormat);
+ free(context);
+ return NULL;
+ }
+
+ setup_dispatch_table();
+ GLAQUA_DEBUG_MSG("glAquaCreateContext done\n");
+
+ return &context->base;
+}
+
+/* maps from surface id -> list of __GLcontext */
+static x_hash_table *surface_hash;
+
+static void __glXAquaContextDestroy(__GLXcontext *baseContext) {
+ x_list *lst;
+
+ __GLXAquaContext *context = (__GLXAquaContext *) baseContext;
+
+ GLAQUA_DEBUG_MSG("glAquaContextDestroy (ctx %p)\n", baseContext);
+ if (context != NULL) {
+ if (context->sid != 0 && surface_hash != NULL) {
+ lst = x_hash_table_lookup(surface_hash, x_cvt_uint_to_vptr(context->sid), NULL);
+ lst = x_list_remove(lst, context);
+ x_hash_table_insert(surface_hash, x_cvt_uint_to_vptr(context->sid), lst);
+ }
+
+ if (context->ctx != NULL)
+ CGLDestroyContext(context->ctx);
+
+ if (context->pixelFormat != NULL)
+ CGLDestroyPixelFormat(context->pixelFormat);
+
+ free(context);
+ }
+}
+
+static int __glXAquaContextLoseCurrent(__GLXcontext *baseContext) {
+ CGLError gl_err;
+
+ GLAQUA_DEBUG_MSG("glAquaLoseCurrent (ctx 0x%p)\n", baseContext);
+
+ gl_err = CGLSetCurrentContext(NULL);
+ if (gl_err != 0)
+ ErrorF("CGLSetCurrentContext error: %s\n", CGLErrorString(gl_err));
+
+ /*
+ * There should be no need to set __glXLastContext to NULL here, because
+ * glxcmds.c does it as part of the context cache flush after calling
+ * this.
+ */
+
+ return GL_TRUE;
+}
+
+/* Called when a surface is destroyed as a side effect of destroying
+ the window it's attached to. */
+static void surface_notify(void *_arg, void *data) {
+ DRISurfaceNotifyArg *arg = (DRISurfaceNotifyArg *)_arg;
+ __GLXAquaDrawable *draw = (__GLXAquaDrawable *)data;
+ __GLXAquaContext *context;
+ x_list *lst;
+ if(_arg == NULL || data == NULL) {
+ ErrorF("surface_notify called with bad params");
+ return;
+ }
+
+ GLAQUA_DEBUG_MSG("surface_notify(%p, %p)\n", _arg, data);
+ switch (arg->kind) {
+ case AppleDRISurfaceNotifyDestroyed:
+ if (surface_hash != NULL)
+ x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(arg->id));
+ draw->pDraw = NULL;
+ draw->sid = 0;
+ break;
+
+ case AppleDRISurfaceNotifyChanged:
+ if (surface_hash != NULL) {
+ lst = x_hash_table_lookup(surface_hash, x_cvt_uint_to_vptr(arg->id), NULL);
+ for (; lst != NULL; lst = lst->next)
+ {
+ context = lst->data;
+ xp_update_gl_context(context->ctx);
+ }
+ }
+ break;
+ default:
+ ErrorF("surface_notify: unknown kind %d\n", arg->kind);
+ break;
+ }
+}
+
+static BOOL attach(__GLXAquaContext *context, __GLXAquaDrawable *draw) {
+ DrawablePtr pDraw;
+
+ GLAQUA_DEBUG_MSG("attach(%p, %p)\n", context, draw);
+
+ if(NULL == context || NULL == draw)
+ return TRUE;
+
+ pDraw = draw->base.pDraw;
+
+ if(NULL == pDraw) {
+ ErrorF("%s:%s() pDraw is NULL!\n", __FILE__, __func__);
+ return TRUE;
+ }
+
+ if (draw->sid == 0) {
+ //if (!quartzProcs->CreateSurface(pDraw->pScreen, pDraw->id, pDraw,
+ if (!DRICreateSurface(pDraw->pScreen, pDraw->id, pDraw,
+ 0, &draw->sid, NULL,
+ surface_notify, draw))
+ return TRUE;
+ draw->pDraw = pDraw;
+ }
+
+ if (!context->isAttached || context->sid != draw->sid) {
+ x_list *lst;
+
+ if (xp_attach_gl_context(context->ctx, draw->sid) != Success) {
+ //quartzProcs->DestroySurface(pDraw->pScreen, pDraw->id, pDraw,
+ DRIDestroySurface(pDraw->pScreen, pDraw->id, pDraw,
+ surface_notify, draw);
+ if (surface_hash != NULL)
+ x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(draw->sid));
+
+ draw->sid = 0;
+ return TRUE;
+ }
+
+ context->isAttached = TRUE;
+ context->sid = draw->sid;
+
+ if (surface_hash == NULL)
+ surface_hash = x_hash_table_new(NULL, NULL, NULL, NULL);
+
+ lst = x_hash_table_lookup(surface_hash, x_cvt_uint_to_vptr(context->sid), NULL);
+ if (x_list_find(lst, context) == NULL) {
+ lst = x_list_prepend(lst, context);
+ x_hash_table_insert(surface_hash, x_cvt_uint_to_vptr(context->sid), lst);
+ }
+
+
+
+ GLAQUA_DEBUG_MSG("attached 0x%x to 0x%x\n", (unsigned int) pDraw->id,
+ (unsigned int) draw->sid);
+ }
+
+ draw->context = context;
+
+ return FALSE;
+}
+
+#if 0 // unused
+static void unattach(__GLXAquaContext *context) {
+ x_list *lst;
+ GLAQUA_DEBUG_MSG("unattach\n");
+ if (context == NULL) {
+ ErrorF("Tried to unattach a null context\n");
+ return;
+ }
+ if (context->isAttached) {
+ GLAQUA_DEBUG_MSG("unattaching\n");
+
+ if (surface_hash != NULL) {
+ lst = x_hash_table_lookup(surface_hash, (void *) context->sid, NULL);
+ lst = x_list_remove(lst, context);
+ x_hash_table_insert(surface_hash, (void *) context->sid, lst);
+ }
+
+ CGLClearDrawable(context->ctx);
+ context->isAttached = FALSE;
+ context->sid = 0;
+ }
+}
+#endif
+
+static int __glXAquaContextMakeCurrent(__GLXcontext *baseContext) {
+ CGLError gl_err;
+ __GLXAquaContext *context = (__GLXAquaContext *) baseContext;
+ __GLXAquaDrawable *drawPriv = (__GLXAquaDrawable *) context->base.drawPriv;
+
+ GLAQUA_DEBUG_MSG("glAquaMakeCurrent (ctx 0x%p)\n", baseContext);
+
+ if(attach(context, drawPriv))
+ return /*error*/ 0;
+
+ gl_err = CGLSetCurrentContext(context->ctx);
+ if (gl_err != 0)
+ ErrorF("CGLSetCurrentContext error: %s\n", CGLErrorString(gl_err));
+
+ return gl_err == 0;
+}
+
+static int __glXAquaContextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc, unsigned long mask)
+{
+ CGLError gl_err;
+
+ __GLXAquaContext *dst = (__GLXAquaContext *) baseDst;
+ __GLXAquaContext *src = (__GLXAquaContext *) baseSrc;
+
+ GLAQUA_DEBUG_MSG("GLXAquaContextCopy\n");
+
+ gl_err = CGLCopyContext(src->ctx, dst->ctx, mask);
+ if (gl_err != 0)
+ ErrorF("CGLCopyContext error: %s\n", CGLErrorString(gl_err));
+
+ return gl_err == 0;
+}
+
+/* Drawing surface notification callbacks */
+static GLboolean __glXAquaDrawableSwapBuffers(ClientPtr client, __GLXdrawable *base) {
+ CGLError err;
+ __GLXAquaDrawable *drawable;
+
+ // GLAQUA_DEBUG_MSG("glAquaDrawableSwapBuffers(%p)\n",base);
+
+ if(!base) {
+ ErrorF("%s passed NULL\n", __func__);
+ return GL_FALSE;
+ }
+
+ drawable = (__GLXAquaDrawable *)base;
+
+ if(NULL == drawable->context) {
+ ErrorF("%s called with a NULL->context for drawable %p!\n",
+ __func__, (void *)drawable);
+ return GL_FALSE;
+ }
+
+ err = CGLFlushDrawable(drawable->context->ctx);
+
+ if(kCGLNoError != err) {
+ ErrorF("CGLFlushDrawable error: %s in %s\n", CGLErrorString(err),
+ __func__);
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+
+static CGLPixelFormatObj makeFormat(__GLXconfig *conf) {
+ CGLPixelFormatAttribute attr[64];
+ CGLPixelFormatObj fobj;
+ GLint formats;
+ CGLError error;
+ int i = 0;
+
+ if(conf->doubleBufferMode)
+ attr[i++] = kCGLPFADoubleBuffer;
+
+ if(conf->stereoMode)
+ attr[i++] = kCGLPFAStereo;
+
+ attr[i++] = kCGLPFAColorSize;
+ attr[i++] = conf->redBits + conf->greenBits + conf->blueBits;
+ attr[i++] = kCGLPFAAlphaSize;
+ attr[i++] = conf->alphaBits;
+
+ if((conf->accumRedBits + conf->accumGreenBits + conf->accumBlueBits +
+ conf->accumAlphaBits) > 0) {
+
+ attr[i++] = kCGLPFAAccumSize;
+ attr[i++] = conf->accumRedBits + conf->accumGreenBits
+ + conf->accumBlueBits + conf->accumAlphaBits;
+ }
+
+ attr[i++] = kCGLPFADepthSize;
+ attr[i++] = conf->depthBits;
+
+ if(conf->stencilBits) {
+ attr[i++] = kCGLPFAStencilSize;
+ attr[i++] = conf->stencilBits;
+ }
+
+ if(conf->numAuxBuffers > 0) {
+ attr[i++] = kCGLPFAAuxBuffers;
+ attr[i++] = conf->numAuxBuffers;
+ }
+
+ if(conf->sampleBuffers > 0) {
+ attr[i++] = kCGLPFASampleBuffers;
+ attr[i++] = conf->sampleBuffers;
+ attr[i++] = kCGLPFASamples;
+ attr[i++] = conf->samples;
+ }
+
+ attr[i] = 0;
+
+ error = CGLChoosePixelFormat(attr, &fobj, &formats);
+ if(error) {
+ ErrorF("error: creating pixel format %s\n", CGLErrorString(error));
+ return NULL;
+ }
+
+ return fobj;
+}
+
+static void __glXAquaScreenDestroy(__GLXscreen *screen) {
+
+ GLAQUA_DEBUG_MSG("glXAquaScreenDestroy(%p)\n", screen);
+ __glXScreenDestroy(screen);
+
+ free(screen);
+}
+
+/* This is called by __glXInitScreens(). */
+static __GLXscreen * __glXAquaScreenProbe(ScreenPtr pScreen) {
+ __GLXAquaScreen *screen;
+
+ GLAQUA_DEBUG_MSG("glXAquaScreenProbe\n");
+
+ if (pScreen == NULL)
+ return NULL;
+
+ screen = calloc(1, sizeof *screen);
+
+ if(NULL == screen)
+ return NULL;
+
+ screen->base.destroy = __glXAquaScreenDestroy;
+ screen->base.createContext = __glXAquaScreenCreateContext;
+ screen->base.createDrawable = __glXAquaScreenCreateDrawable;
+ screen->base.swapInterval = /*FIXME*/ NULL;
+ screen->base.pScreen = pScreen;
+
+ screen->base.fbconfigs = __glXAquaCreateVisualConfigs(&screen->base.numFBConfigs, pScreen->myNum);
+
+ __glXScreenInit(&screen->base, pScreen);
+
+ screen->base.GLXmajor = 1;
+ screen->base.GLXminor = 4;
+ screen->base.GLXextensions = strdup("GLX_SGIX_fbconfig "
+ "GLX_SGIS_multisample "
+ "GLX_ARB_multisample "
+ "GLX_EXT_visual_info "
+ "GLX_EXT_import_context ");
+
+ /*We may be able to add more GLXextensions at a later time. */
+
+ return &screen->base;
+}
+
+#if 0 // unused
+static void __glXAquaDrawableCopySubBuffer (__GLXdrawable *drawable,
+ int x, int y, int w, int h) {
+ /*TODO finish me*/
+}
+#endif
+
+static void __glXAquaDrawableDestroy(__GLXdrawable *base) {
+ /* gstaplin: base is the head of the structure, so it's at the same
+ * offset in memory.
+ * Is this safe with strict aliasing? I noticed that the other dri code
+ * does this too...
+ */
+ __GLXAquaDrawable *glxPriv = (__GLXAquaDrawable *)base;
+
+ GLAQUA_DEBUG_MSG("TRACE");
+
+ /* It doesn't work to call DRIDestroySurface here, the drawable's
+ already gone.. But dri.c notices the window destruction and
+ frees the surface itself. */
+
+ /*gstaplin: verify the statement above. The surface destroy
+ *messages weren't making it through, and may still not be.
+ *We need a good test case for surface creation and destruction.
+ *We also need a good way to enable introspection on the server
+ *to validate the test, beyond using gdb with print.
+ */
+
+ free(glxPriv);
+}
+
+static __GLXdrawable *
+__glXAquaScreenCreateDrawable(ClientPtr client,
+ __GLXscreen *screen,
+ DrawablePtr pDraw,
+ XID drawId,
+ int type,
+ XID glxDrawId,
+ __GLXconfig *conf) {
+ __GLXAquaDrawable *glxPriv;
+
+ glxPriv = malloc(sizeof *glxPriv);
+
+ if(glxPriv == NULL)
+ return NULL;
+
+ memset(glxPriv, 0, sizeof *glxPriv);
+
+ if(!__glXDrawableInit(&glxPriv->base, screen, pDraw, type, glxDrawId, conf)) {
+ free(glxPriv);
+ return NULL;
+ }
+
+ glxPriv->base.destroy = __glXAquaDrawableDestroy;
+ glxPriv->base.swapBuffers = __glXAquaDrawableSwapBuffers;
+ glxPriv->base.copySubBuffer = NULL; /* __glXAquaDrawableCopySubBuffer; */
+
+ glxPriv->pDraw = pDraw;
+ glxPriv->sid = 0;
+ glxPriv->context = NULL;
+
+ return &glxPriv->base;
+}
+
+// Extra goodies for glx
+
+GLuint __glFloorLog2(GLuint val)
+{
+ int c = 0;
+
+ while (val > 1) {
+ c++;
+ val >>= 1;
+ }
+ return c;
+}
+
+#ifndef OPENGL_FRAMEWORK_PATH
+#define OPENGL_FRAMEWORK_PATH "/System/Library/Frameworks/OpenGL.framework/OpenGL"
+#endif
+
+static void setup_dispatch_table(void) {
+ static struct _glapi_table *disp = NULL;
+ static void *handle;
+ const char *opengl_framework_path;
+
+ if(disp) {
+ _glapi_set_dispatch(disp);
+ return;
+ }
+
+ opengl_framework_path = getenv("OPENGL_FRAMEWORK_PATH");
+ if (!opengl_framework_path) {
+ opengl_framework_path = OPENGL_FRAMEWORK_PATH;
+ }
+
+ (void) dlerror(); /*drain dlerror */
+ handle = dlopen(opengl_framework_path, RTLD_LOCAL);
+
+ if (!handle) {
+ ErrorF("unable to dlopen %s : %s, using RTLD_DEFAULT\n",
+ opengl_framework_path, dlerror());
+ handle = RTLD_DEFAULT;
+ }
+
+ disp = _glapi_create_table_from_handle(handle, "gl");
+ assert(disp);
+
+ _glapi_set_dispatch(disp);
+}
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