diff options
Diffstat (limited to 'xorg-server/hw/kdrive/ephyr/ephyrglxext.c')
| -rw-r--r-- | xorg-server/hw/kdrive/ephyr/ephyrglxext.c | 1434 |
1 files changed, 711 insertions, 723 deletions
diff --git a/xorg-server/hw/kdrive/ephyr/ephyrglxext.c b/xorg-server/hw/kdrive/ephyr/ephyrglxext.c index d6b8ca66d..dab028bf3 100644 --- a/xorg-server/hw/kdrive/ephyr/ephyrglxext.c +++ b/xorg-server/hw/kdrive/ephyr/ephyrglxext.c @@ -1,723 +1,711 @@ -/*
- * Xephyr - A kdrive X server thats runs in a host X window.
- * Authored by Matthew Allum <mallum@openedhand.com>
- *
- * Copyright © 2007 OpenedHand Ltd
- *
- * 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 OpenedHand Ltd not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. OpenedHand Ltd makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL OpenedHand Ltd 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.
- *
- * Authors:
- * Dodji Seketeli <dodji@openedhand.com>
- */
-#ifdef HAVE_CONFIG_H
-#include <kdrive-config.h>
-#endif
-
-#include "extnsionst.h"
-#include "ephyrglxext.h"
-#include "ephyrhostglx.h"
-#define _HAVE_XALLOC_DECLS
-#include "ephyrlog.h"
-#include <GL/glxproto.h>
-#include "glx/glxserver.h"
-#include "glx/indirect_table.h"
-#include "glx/indirect_util.h"
-#include "glx/unpack.h"
-#include "hostx.h"
-
-
-#ifndef TRUE
-#define TRUE 1
-#endif
-
-#ifndef FALSE
-#define FALSE 0
-#endif
-
-
-int ephyrGLXQueryVersion (__GLXclientState *cl, GLbyte *pc) ;
-int ephyrGLXQueryVersionSwap (__GLXclientState *cl, GLbyte *pc) ;
-int ephyrGLXGetVisualConfigs (__GLXclientState *cl, GLbyte *pc) ;
-int ephyrGLXGetVisualConfigsSwap (__GLXclientState *cl, GLbyte *pc) ;
-int ephyrGLXClientInfo(__GLXclientState *cl, GLbyte *pc) ;
-int ephyrGLXClientInfoSwap(__GLXclientState *cl, GLbyte *pc) ;
-int ephyrGLXQueryServerString(__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXQueryServerStringSwap(__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXGetFBConfigsSGIX (__GLXclientState *a_cl, GLbyte *a_pc);
-int ephyrGLXGetFBConfigsSGIXSwap (__GLXclientState *a_cl, GLbyte *a_pc);
-int ephyrGLXCreateContext (__GLXclientState *a_cl, GLbyte *a_pc);
-int ephyrGLXCreateContextSwap (__GLXclientState *a_cl, GLbyte *a_pc);
-int ephyrGLXDestroyContext (__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXDestroyContextSwap (__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXMakeCurrent (__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXMakeCurrentSwap (__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXGetString (__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXGetStringSwap (__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXGetIntegerv (__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXGetIntegervSwap (__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXIsDirect (__GLXclientState *a_cl, GLbyte *a_pc) ;
-int ephyrGLXIsDirectSwap (__GLXclientState *a_cl, GLbyte *a_pc) ;
-
-Bool
-ephyrHijackGLXExtension (void)
-{
- const void *(*dispatch_functions)[2];
-
- if (!hostx_has_glx ()) {
- EPHYR_LOG ("host X does not have GLX\n") ;
- return FALSE ;
- }
- EPHYR_LOG ("host X does have GLX\n") ;
-
- if (!Single_dispatch_info.dispatch_functions) {
- EPHYR_LOG_ERROR ("could not get dispatch functions table\n") ;
- return FALSE ;
- }
- /*
- * hijack some single entry point dispatch functions
- */
- dispatch_functions = Single_dispatch_info.dispatch_functions ;
- EPHYR_RETURN_VAL_IF_FAIL (dispatch_functions, FALSE) ;
-
- dispatch_functions[X_GLXQueryVersion][0] = ephyrGLXQueryVersion ;
- dispatch_functions[X_GLXQueryVersion][1] = ephyrGLXQueryVersionSwap ;
-
- dispatch_functions[X_GLXGetVisualConfigs][0] = ephyrGLXGetVisualConfigs ;
- dispatch_functions[X_GLXGetVisualConfigs][1] = ephyrGLXGetVisualConfigsSwap ;
- dispatch_functions[X_GLXClientInfo][0] = ephyrGLXClientInfo ;
- dispatch_functions[X_GLXClientInfo][1] = ephyrGLXClientInfoSwap ;
-
- dispatch_functions[X_GLXQueryServerString][0] = ephyrGLXQueryServerString ;
- dispatch_functions[X_GLXQueryServerString][1] =
- ephyrGLXQueryServerStringSwap ;
-
- dispatch_functions[X_GLXCreateContext][0] = ephyrGLXCreateContext ;
- dispatch_functions[X_GLXCreateContext][1] = ephyrGLXCreateContextSwap ;
-
- dispatch_functions[X_GLXDestroyContext][0] = ephyrGLXDestroyContext ;
- dispatch_functions[X_GLXDestroyContext][1] = ephyrGLXDestroyContextSwap ;
-
- dispatch_functions[X_GLXMakeCurrent][0] = ephyrGLXMakeCurrent ;
- dispatch_functions[X_GLXMakeCurrent][1] = ephyrGLXMakeCurrentSwap ;
-
- dispatch_functions[X_GLXIsDirect][0] = ephyrGLXIsDirect ;
- dispatch_functions[X_GLXIsDirect][1] = ephyrGLXIsDirectSwap ;
-
- dispatch_functions[73][0] = ephyrGLXGetString ;
- dispatch_functions[73][1] = ephyrGLXGetStringSwap ;
-
- dispatch_functions[61][0] = ephyrGLXGetIntegerv ;
- dispatch_functions[61][1] = ephyrGLXGetIntegervSwap ;
-
- /*
- * hijack some vendor priv entry point dispatch functions
- */
- dispatch_functions = VendorPriv_dispatch_info.dispatch_functions ;
- dispatch_functions[92][0] = ephyrGLXGetFBConfigsSGIX;
- dispatch_functions[92][1] = ephyrGLXGetFBConfigsSGIXSwap;
- EPHYR_LOG ("hijacked glx entry points to forward requests to host X\n") ;
-
- return TRUE ;
-}
-
-/*********************
- * implementation of
- * hijacked GLX entry
- * points
- ********************/
-
-int
-ephyrGLXQueryVersion(__GLXclientState *a_cl, GLbyte *a_pc)
-{
- ClientPtr client = a_cl->client;
- xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) a_pc;
- xGLXQueryVersionReply reply;
- int major, minor;
- int res = BadImplementation ;
-
- EPHYR_LOG ("enter\n") ;
-
- major = req->majorVersion ;
- minor = req->minorVersion ;
-
- if (!ephyrHostGLXQueryVersion (&major, &minor)) {
- EPHYR_LOG_ERROR ("ephyrHostGLXQueryVersion() failed\n") ;
- goto out ;
- }
- EPHYR_LOG ("major:%d, minor:%d\n",
- major, minor);
- reply.majorVersion = major ;
- reply.minorVersion = minor ;
- reply.length = 0 ;
- reply.type = X_Reply ;
- reply.sequenceNumber = client->sequence ;
-
- if (client->swapped) {
- __glXSwapQueryVersionReply(client, &reply);
- } else {
- WriteToClient(client, sz_xGLXQueryVersionReply, (char *)&reply);
- }
-
- res = Success ;
-out:
- EPHYR_LOG ("leave\n") ;
- return res;
-}
-
-int
-ephyrGLXQueryVersionSwap (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) a_pc;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- __GLX_SWAP_SHORT (&req->length);
- __GLX_SWAP_INT (&req->majorVersion);
- __GLX_SWAP_INT (&req->minorVersion);
- return ephyrGLXQueryVersion (a_cl, a_pc) ;
-}
-
-static int
-ephyrGLXGetVisualConfigsReal (__GLXclientState *a_cl,
- GLbyte *a_pc,
- Bool a_do_swap)
-{
- xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) a_pc;
- ClientPtr client = a_cl->client;
- xGLXGetVisualConfigsReply reply;
- int32_t *props_buf=NULL, num_visuals=0,
- num_props=0, res=BadImplementation, i=0,
- props_per_visual_size=0,
- props_buf_size=0;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- EPHYR_LOG ("enter\n") ;
-
- if (!ephyrHostGLXGetVisualConfigs (req->screen,
- &num_visuals,
- &num_props,
- &props_buf_size,
- &props_buf)) {
- EPHYR_LOG_ERROR ("ephyrHostGLXGetVisualConfigs() failed\n") ;
- goto out ;
- }
- EPHYR_LOG ("num_visuals:%d, num_props:%d\n", num_visuals, num_props) ;
-
- reply.numVisuals = num_visuals;
- reply.numProps = num_props;
- reply.length = (num_visuals *__GLX_SIZE_CARD32 * num_props) >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (a_do_swap) {
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- __GLX_SWAP_INT(&reply.numVisuals);
- __GLX_SWAP_INT(&reply.numProps);
- __GLX_SWAP_INT_ARRAY (props_buf, num_props) ;
- }
- WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char*)&reply);
- props_per_visual_size = props_buf_size/num_visuals ;
- for (i=0; i < num_visuals; i++) {
- WriteToClient (client,
- props_per_visual_size,
- (char*)props_buf +i*props_per_visual_size);
- }
- res = Success ;
-
-out:
- EPHYR_LOG ("leave\n") ;
- free(props_buf) ;
- props_buf = NULL ;
-
- return res ;
-}
-
-static int
-ephyrGLXGetFBConfigsSGIXReal (__GLXclientState *a_cl,
- GLbyte *a_pc,
- Bool a_do_swap)
-{
- xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *)a_pc;
- ClientPtr client = a_cl->client;
- xGLXGetVisualConfigsReply reply;
- int32_t *props_buf=NULL, num_visuals=0,
- num_props=0, res=BadImplementation, i=0,
- props_per_visual_size=0,
- props_buf_size=0;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- EPHYR_LOG ("enter\n") ;
-
- if (!ephyrHostGLXVendorPrivGetFBConfigsSGIX (req->screen,
- &num_visuals,
- &num_props,
- &props_buf_size,
- &props_buf)) {
- EPHYR_LOG_ERROR ("ephyrHostGLXGetVisualConfigs() failed\n") ;
- goto out ;
- }
- EPHYR_LOG ("num_visuals:%d, num_props:%d\n", num_visuals, num_props) ;
-
- reply.numVisuals = num_visuals;
- reply.numProps = num_props;
- reply.length = props_buf_size >> 2;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
-
- if (a_do_swap) {
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- __GLX_SWAP_INT(&reply.numVisuals);
- __GLX_SWAP_INT(&reply.numProps);
- __GLX_SWAP_INT_ARRAY (props_buf, num_props) ;
- }
- WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char*)&reply);
- props_per_visual_size = props_buf_size/num_visuals ;
- for (i=0; i < num_visuals; i++) {
- WriteToClient (client,
- props_per_visual_size,
- &((char*)props_buf)[i*props_per_visual_size]);
- }
- res = Success ;
-
-out:
- EPHYR_LOG ("leave\n") ;
- free(props_buf) ;
- props_buf = NULL ;
-
- return res ;
-}
-
-int
-ephyrGLXGetVisualConfigs (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXGetVisualConfigsReal (a_cl, a_pc, FALSE) ;
-}
-
-int
-ephyrGLXGetVisualConfigsSwap (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXGetVisualConfigsReal (a_cl, a_pc, TRUE) ;
-}
-
-
-int
-ephyrGLXClientInfo(__GLXclientState *a_cl, GLbyte *a_pc)
-{
- int res=BadImplementation ;
- xGLXClientInfoReq *req = (xGLXClientInfoReq *) a_pc;
-
- EPHYR_LOG ("enter\n") ;
- if (!ephyrHostGLXSendClientInfo (req->major, req->minor, (char*)req+1)) {
- EPHYR_LOG_ERROR ("failed to send client info to host\n") ;
- goto out ;
- }
- res = Success ;
-
-out:
- EPHYR_LOG ("leave\n") ;
- return res ;
-}
-
-int
-ephyrGLXClientInfoSwap (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- xGLXClientInfoReq *req = (xGLXClientInfoReq *)a_pc;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- __GLX_SWAP_SHORT (&req->length);
- __GLX_SWAP_INT (&req->major);
- __GLX_SWAP_INT (&req->minor);
- __GLX_SWAP_INT (&req->numbytes);
-
- return ephyrGLXClientInfo (a_cl, a_pc) ;
-}
-
-int
-ephyrGLXQueryServerString(__GLXclientState *a_cl, GLbyte *a_pc)
-{
- int res = BadImplementation ;
- ClientPtr client = a_cl->client;
- xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) a_pc;
- xGLXQueryServerStringReply reply;
- char *server_string=NULL, *buf=NULL;
- int length=0 ;
-
- EPHYR_LOG ("enter\n") ;
- if (!ephyrHostGLXGetStringFromServer (req->screen,
- req->name,
- EPHYR_HOST_GLX_QueryServerString,
- &server_string)) {
- EPHYR_LOG_ERROR ("failed to query string from host\n") ;
- goto out ;
- }
- EPHYR_LOG ("string: %s\n", server_string) ;
- length= strlen (server_string) + 1;
- reply.type = X_Reply ;
- reply.sequenceNumber = client->sequence ;
- reply.length = __GLX_PAD (length) >> 2 ;
- reply.n = length ;
- buf = calloc(reply.length << 2, 1);
- if (!buf) {
- EPHYR_LOG_ERROR ("failed to allocate string\n;");
- return BadAlloc;
- }
- memcpy (buf, server_string, length);
-
- WriteToClient(client, sz_xGLXQueryServerStringReply, (char*)&reply);
- WriteToClient(client, (int)(reply.length << 2), server_string);
-
- res = Success ;
-
-out:
- EPHYR_LOG ("leave\n") ;
- free(server_string) ;
- server_string = NULL;
-
- free(buf);
- buf = NULL;
-
- return res ;
-}
-
-int
-ephyrGLXQueryServerStringSwap(__GLXclientState *a_cl, GLbyte *a_pc)
-{
- EPHYR_LOG_ERROR ("not yet implemented\n") ;
- return BadImplementation ;
-}
-
-
-int
-ephyrGLXGetFBConfigsSGIX (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXGetFBConfigsSGIXReal (a_cl, a_pc, FALSE) ;
-}
-
-int
-ephyrGLXGetFBConfigsSGIXSwap (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXGetFBConfigsSGIXReal (a_cl, a_pc, TRUE) ;
-}
-
-static int
-ephyrGLXCreateContextReal (xGLXCreateContextReq *a_req, Bool a_do_swap)
-{
- int res=BadImplementation;
- EphyrHostWindowAttributes host_w_attrs ;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- EPHYR_RETURN_VAL_IF_FAIL (a_req, BadValue) ;
- EPHYR_LOG ("enter\n") ;
-
- if (a_do_swap) {
- __GLX_SWAP_SHORT(&a_req->length);
- __GLX_SWAP_INT(&a_req->context);
- __GLX_SWAP_INT(&a_req->visual);
- __GLX_SWAP_INT(&a_req->screen);
- __GLX_SWAP_INT(&a_req->shareList);
- }
-
- EPHYR_LOG ("context creation requested. localid:%d, "
- "screen:%d, visual:%d, direct:%d\n",
- (int)a_req->context, (int)a_req->screen,
- (int)a_req->visual, (int)a_req->isDirect) ;
-
- memset (&host_w_attrs, 0, sizeof (host_w_attrs)) ;
- if (!hostx_get_window_attributes (hostx_get_window (a_req->screen),
- &host_w_attrs)) {
- EPHYR_LOG_ERROR ("failed to get host window attrs\n") ;
- goto out ;
- }
-
- EPHYR_LOG ("host window visual id: %d\n", host_w_attrs.visualid) ;
-
- if (!ephyrHostGLXCreateContext (a_req->screen,
- host_w_attrs.visualid,
- a_req->context,
- a_req->shareList,
- a_req->isDirect)) {
- EPHYR_LOG_ERROR ("ephyrHostGLXCreateContext() failed\n") ;
- goto out ;
- }
- res = Success;
-out:
- EPHYR_LOG ("leave\n") ;
- return res ;
-}
-
-int
-ephyrGLXCreateContext (__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
-
- return ephyrGLXCreateContextReal (req, FALSE) ;
-}
-
-int ephyrGLXCreateContextSwap (__GLXclientState *cl, GLbyte *pc)
-{
- xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc;
- return ephyrGLXCreateContextReal (req, TRUE) ;
-}
-
-static int
-ephyrGLXDestroyContextReal (__GLXclientState *a_cl,
- GLbyte *a_pc,
- Bool a_do_swap)
-{
- int res=BadImplementation;
- ClientPtr client = a_cl->client;
- xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) a_pc;
-
- EPHYR_LOG ("enter. id:%d\n", (int)req->context) ;
- if (!ephyrHostDestroyContext (req->context)) {
- EPHYR_LOG_ERROR ("ephyrHostDestroyContext() failed\n") ;
- client->errorValue = req->context ;
- goto out ;
- }
- res = Success ;
-
-out:
- EPHYR_LOG ("leave\n") ;
- return res ;
-}
-
-int
-ephyrGLXDestroyContext (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXDestroyContextReal (a_cl, a_pc, FALSE) ;
-}
-
-int
-ephyrGLXDestroyContextSwap (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXDestroyContextReal (a_cl, a_pc, TRUE) ;
-}
-
-static int
-ephyrGLXMakeCurrentReal (__GLXclientState *a_cl, GLbyte *a_pc, Bool a_do_swap)
-{
- int res=BadImplementation;
- xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc;
- xGLXMakeCurrentReply reply ;
- DrawablePtr drawable=NULL;
- int rc=0;
-
- EPHYR_LOG ("enter\n") ;
- rc = dixLookupDrawable (&drawable,
- req->drawable,
- a_cl->client,
- 0,
- DixReadAccess);
- EPHYR_RETURN_VAL_IF_FAIL (drawable, BadValue) ;
- EPHYR_RETURN_VAL_IF_FAIL (drawable->pScreen, BadValue) ;
- EPHYR_LOG ("screen nummber requested:%d\n",
- drawable->pScreen->myNum) ;
-
- memset (&reply, 0, sizeof (reply)) ;
- if (!ephyrHostGLXMakeCurrent (hostx_get_window (drawable->pScreen->myNum),
- req->context,
- req->oldContextTag,
- (int*)&reply.contextTag)) {
- EPHYR_LOG_ERROR ("ephyrHostGLXMakeCurrent() failed\n") ;
- goto out;
- }
- reply.length = 0;
- reply.type = X_Reply;
- reply.sequenceNumber = a_cl->client->sequence;
- if (a_do_swap) {
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- __GLX_SWAP_INT(&reply.contextTag);
- }
- WriteToClient(a_cl->client, sz_xGLXMakeCurrentReply, (char *)&reply);
-
- res = Success ;
-out:
- EPHYR_LOG ("leave\n") ;
- return res ;
-}
-
-int
-ephyrGLXMakeCurrent (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXMakeCurrentReal (a_cl, a_pc, FALSE) ;
-}
-
-int
-ephyrGLXMakeCurrentSwap (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXMakeCurrentReal (a_cl, a_pc, TRUE) ;
-}
-
-static int
-ephyrGLXGetStringReal (__GLXclientState *a_cl, GLbyte *a_pc, Bool a_do_swap)
-{
- ClientPtr client=NULL ;
- int context_tag=0, name=0, res=BadImplementation, length=0 ;
- char *string=NULL;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- EPHYR_RETURN_VAL_IF_FAIL (a_cl && a_pc, BadValue) ;
-
- EPHYR_LOG ("enter\n") ;
-
- client = a_cl->client ;
-
- if (a_do_swap) {
- __GLX_SWAP_INT (a_pc + 4);
- __GLX_SWAP_INT (a_pc + __GLX_SINGLE_HDR_SIZE);
- }
- context_tag = __GLX_GET_SINGLE_CONTEXT_TAG (a_pc) ;
- a_pc += __GLX_SINGLE_HDR_SIZE;
- name = *(GLenum*)(a_pc + 0);
- EPHYR_LOG ("context_tag:%d, name:%d\n", context_tag, name) ;
- if (!ephyrHostGLXGetStringFromServer (context_tag,
- name,
- EPHYR_HOST_GLX_GetString,
- &string)) {
- EPHYR_LOG_ERROR ("failed to get string from server\n") ;
- goto out ;
- }
- if (string) {
- length = strlen (string) + 1;
- EPHYR_LOG ("got string:'%s', size:%d\n", string, length) ;
- } else {
- EPHYR_LOG ("got string: string (null)\n") ;
- }
- __GLX_BEGIN_REPLY (length);
- __GLX_PUT_SIZE (length);
- __GLX_SEND_HEADER ();
- if (a_do_swap) {
- __GLX_SWAP_REPLY_SIZE ();
- __GLX_SWAP_REPLY_HEADER ();
- }
- WriteToClient (client, length, (char *)string);
-
- res = Success ;
-out:
- EPHYR_LOG ("leave\n") ;
- return res ;
-}
-
-int
-ephyrGLXGetString (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXGetStringReal (a_cl, a_pc, FALSE) ;
-}
-
-int
-ephyrGLXGetStringSwap (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXGetStringReal (a_cl, a_pc, TRUE) ;
-}
-
-static int
-ephyrGLXGetIntegervReal (__GLXclientState *a_cl, GLbyte *a_pc, Bool a_do_swap)
-{
- int res=BadImplementation;
- xGLXSingleReq * const req = (xGLXSingleReq *) a_pc;
- GLenum int_name ;
- int value=0 ;
- GLint answer_buf_room[200];
- GLint *buf=NULL ;
-
- EPHYR_LOG ("enter\n") ;
-
- a_pc += __GLX_SINGLE_HDR_SIZE;
-
- int_name = *(GLenum*) (a_pc+0) ;
- if (!ephyrHostGetIntegerValue (req->contextTag, int_name, &value)) {
- EPHYR_LOG_ERROR ("ephyrHostGetIntegerValue() failed\n") ;
- goto out ;
- }
- buf = __glXGetAnswerBuffer (a_cl, sizeof (value),
- answer_buf_room,
- sizeof (answer_buf_room),
- 4) ;
-
- if (!buf) {
- EPHYR_LOG_ERROR ("failed to allocate reply buffer\n") ;
- res = BadAlloc ;
- goto out ;
- }
- __glXSendReply (a_cl->client, buf, 1, sizeof (value), GL_FALSE, 0) ;
- res = Success ;
-
-out:
- EPHYR_LOG ("leave\n") ;
- return res ;
-}
-
-int
-ephyrGLXGetIntegerv (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXGetIntegervReal (a_cl, a_pc, FALSE) ;
-}
-
-int
-ephyrGLXGetIntegervSwap (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXGetIntegervReal (a_cl, a_pc, TRUE) ;
-}
-
-static int
-ephyrGLXIsDirectReal (__GLXclientState *a_cl, GLbyte *a_pc, Bool a_do_swap)
-{
- int res=BadImplementation;
- ClientPtr client = a_cl->client;
- xGLXIsDirectReq *req = (xGLXIsDirectReq *) a_pc;
- xGLXIsDirectReply reply;
- int is_direct=0 ;
-
- EPHYR_RETURN_VAL_IF_FAIL (a_cl && a_pc, FALSE) ;
-
- EPHYR_LOG ("enter\n") ;
-
- memset (&reply, 0, sizeof (reply)) ;
- if (!ephyrHostIsContextDirect (req->context, (int*)&is_direct)) {
- EPHYR_LOG_ERROR ("ephyrHostIsContextDirect() failed\n") ;
- goto out ;
- }
- reply.isDirect = is_direct ;
- reply.length = 0;
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- WriteToClient(client, sz_xGLXIsDirectReply, (char *)&reply);
- res = Success ;
-
-out:
- EPHYR_LOG ("leave\n") ;
- return res ;
-}
-
-int
-ephyrGLXIsDirect (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXIsDirectReal (a_cl, a_pc, FALSE) ;
-}
-
-int
-ephyrGLXIsDirectSwap (__GLXclientState *a_cl, GLbyte *a_pc)
-{
- return ephyrGLXIsDirectReal (a_cl, a_pc, TRUE) ;
-}
+/* + * Xephyr - A kdrive X server thats runs in a host X window. + * Authored by Matthew Allum <mallum@openedhand.com> + * + * Copyright © 2007 OpenedHand Ltd + * + * 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 OpenedHand Ltd not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. OpenedHand Ltd makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL OpenedHand Ltd 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. + * + * Authors: + * Dodji Seketeli <dodji@openedhand.com> + */ +#ifdef HAVE_CONFIG_H +#include <kdrive-config.h> +#endif + +#include "extnsionst.h" +#include "ephyrglxext.h" +#include "ephyrhostglx.h" +#define _HAVE_XALLOC_DECLS +#include "ephyrlog.h" +#include <GL/glxproto.h> +#include "glx/glxserver.h" +#include "glx/indirect_table.h" +#include "glx/indirect_util.h" +#include "glx/unpack.h" +#include "hostx.h" + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +int ephyrGLXQueryVersion(__GLXclientState * cl, GLbyte * pc); +int ephyrGLXQueryVersionSwap(__GLXclientState * cl, GLbyte * pc); +int ephyrGLXGetVisualConfigs(__GLXclientState * cl, GLbyte * pc); +int ephyrGLXGetVisualConfigsSwap(__GLXclientState * cl, GLbyte * pc); +int ephyrGLXClientInfo(__GLXclientState * cl, GLbyte * pc); +int ephyrGLXClientInfoSwap(__GLXclientState * cl, GLbyte * pc); +int ephyrGLXQueryServerString(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXQueryServerStringSwap(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXGetFBConfigsSGIX(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXGetFBConfigsSGIXSwap(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXCreateContext(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXCreateContextSwap(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXDestroyContext(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXDestroyContextSwap(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXMakeCurrent(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXMakeCurrentSwap(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXGetString(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXGetStringSwap(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXGetIntegerv(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXGetIntegervSwap(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXIsDirect(__GLXclientState * a_cl, GLbyte * a_pc); +int ephyrGLXIsDirectSwap(__GLXclientState * a_cl, GLbyte * a_pc); + +Bool +ephyrHijackGLXExtension(void) +{ + const void *(*dispatch_functions)[2]; + + if (!hostx_has_glx()) { + EPHYR_LOG("host X does not have GLX\n"); + return FALSE; + } + EPHYR_LOG("host X does have GLX\n"); + + if (!Single_dispatch_info.dispatch_functions) { + EPHYR_LOG_ERROR("could not get dispatch functions table\n"); + return FALSE; + } + /* + * hijack some single entry point dispatch functions + */ + dispatch_functions = Single_dispatch_info.dispatch_functions; + EPHYR_RETURN_VAL_IF_FAIL(dispatch_functions, FALSE); + + dispatch_functions[X_GLXQueryVersion][0] = ephyrGLXQueryVersion; + dispatch_functions[X_GLXQueryVersion][1] = ephyrGLXQueryVersionSwap; + + dispatch_functions[X_GLXGetVisualConfigs][0] = ephyrGLXGetVisualConfigs; + dispatch_functions[X_GLXGetVisualConfigs][1] = ephyrGLXGetVisualConfigsSwap; + dispatch_functions[X_GLXClientInfo][0] = ephyrGLXClientInfo; + dispatch_functions[X_GLXClientInfo][1] = ephyrGLXClientInfoSwap; + + dispatch_functions[X_GLXQueryServerString][0] = ephyrGLXQueryServerString; + dispatch_functions[X_GLXQueryServerString][1] = + ephyrGLXQueryServerStringSwap; + + dispatch_functions[X_GLXCreateContext][0] = ephyrGLXCreateContext; + dispatch_functions[X_GLXCreateContext][1] = ephyrGLXCreateContextSwap; + + dispatch_functions[X_GLXDestroyContext][0] = ephyrGLXDestroyContext; + dispatch_functions[X_GLXDestroyContext][1] = ephyrGLXDestroyContextSwap; + + dispatch_functions[X_GLXMakeCurrent][0] = ephyrGLXMakeCurrent; + dispatch_functions[X_GLXMakeCurrent][1] = ephyrGLXMakeCurrentSwap; + + dispatch_functions[X_GLXIsDirect][0] = ephyrGLXIsDirect; + dispatch_functions[X_GLXIsDirect][1] = ephyrGLXIsDirectSwap; + + dispatch_functions[73][0] = ephyrGLXGetString; + dispatch_functions[73][1] = ephyrGLXGetStringSwap; + + dispatch_functions[61][0] = ephyrGLXGetIntegerv; + dispatch_functions[61][1] = ephyrGLXGetIntegervSwap; + + /* + * hijack some vendor priv entry point dispatch functions + */ + dispatch_functions = VendorPriv_dispatch_info.dispatch_functions; + dispatch_functions[92][0] = ephyrGLXGetFBConfigsSGIX; + dispatch_functions[92][1] = ephyrGLXGetFBConfigsSGIXSwap; + EPHYR_LOG("hijacked glx entry points to forward requests to host X\n"); + + return TRUE; +} + +/********************* + * implementation of + * hijacked GLX entry + * points + ********************/ + +int +ephyrGLXQueryVersion(__GLXclientState * a_cl, GLbyte * a_pc) +{ + ClientPtr client = a_cl->client; + xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) a_pc; + xGLXQueryVersionReply reply; + int major, minor; + int res = BadImplementation; + + EPHYR_LOG("enter\n"); + + major = req->majorVersion; + minor = req->minorVersion; + + if (!ephyrHostGLXQueryVersion(&major, &minor)) { + EPHYR_LOG_ERROR("ephyrHostGLXQueryVersion() failed\n"); + goto out; + } + EPHYR_LOG("major:%d, minor:%d\n", major, minor); + reply.majorVersion = major; + reply.minorVersion = minor; + reply.length = 0; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (client->swapped) { + __glXSwapQueryVersionReply(client, &reply); + } + else { + WriteToClient(client, sz_xGLXQueryVersionReply, (char *) &reply); + } + + res = Success; + out: + EPHYR_LOG("leave\n"); + return res; +} + +int +ephyrGLXQueryVersionSwap(__GLXclientState * a_cl, GLbyte * a_pc) +{ + xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) a_pc; + + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->majorVersion); + __GLX_SWAP_INT(&req->minorVersion); + return ephyrGLXQueryVersion(a_cl, a_pc); +} + +static int +ephyrGLXGetVisualConfigsReal(__GLXclientState * a_cl, + GLbyte * a_pc, Bool a_do_swap) +{ + xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) a_pc; + ClientPtr client = a_cl->client; + xGLXGetVisualConfigsReply reply; + int32_t *props_buf = NULL, num_visuals = 0, + num_props = 0, res = BadImplementation, i = 0, + props_per_visual_size = 0, props_buf_size = 0; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + + EPHYR_LOG("enter\n"); + + if (!ephyrHostGLXGetVisualConfigs(req->screen, + &num_visuals, + &num_props, + &props_buf_size, &props_buf)) { + EPHYR_LOG_ERROR("ephyrHostGLXGetVisualConfigs() failed\n"); + goto out; + } + EPHYR_LOG("num_visuals:%d, num_props:%d\n", num_visuals, num_props); + + reply.numVisuals = num_visuals; + reply.numProps = num_props; + reply.length = (num_visuals * __GLX_SIZE_CARD32 * num_props) >> 2; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (a_do_swap) { + __GLX_SWAP_SHORT(&reply.sequenceNumber); + __GLX_SWAP_INT(&reply.length); + __GLX_SWAP_INT(&reply.numVisuals); + __GLX_SWAP_INT(&reply.numProps); + __GLX_SWAP_INT_ARRAY(props_buf, num_props); + } + WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *) &reply); + props_per_visual_size = props_buf_size / num_visuals; + for (i = 0; i < num_visuals; i++) { + WriteToClient(client, + props_per_visual_size, + (char *) props_buf + i * props_per_visual_size); + } + res = Success; + + out: + EPHYR_LOG("leave\n"); + free(props_buf); + props_buf = NULL; + + return res; +} + +static int +ephyrGLXGetFBConfigsSGIXReal(__GLXclientState * a_cl, + GLbyte * a_pc, Bool a_do_swap) +{ + xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) a_pc; + ClientPtr client = a_cl->client; + xGLXGetVisualConfigsReply reply; + int32_t *props_buf = NULL, num_visuals = 0, + num_props = 0, res = BadImplementation, i = 0, + props_per_visual_size = 0, props_buf_size = 0; + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + + EPHYR_LOG("enter\n"); + + if (!ephyrHostGLXVendorPrivGetFBConfigsSGIX(req->screen, + &num_visuals, + &num_props, + &props_buf_size, &props_buf)) { + EPHYR_LOG_ERROR("ephyrHostGLXGetVisualConfigs() failed\n"); + goto out; + } + EPHYR_LOG("num_visuals:%d, num_props:%d\n", num_visuals, num_props); + + reply.numVisuals = num_visuals; + reply.numProps = num_props; + reply.length = props_buf_size >> 2; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + + if (a_do_swap) { + __GLX_SWAP_SHORT(&reply.sequenceNumber); + __GLX_SWAP_INT(&reply.length); + __GLX_SWAP_INT(&reply.numVisuals); + __GLX_SWAP_INT(&reply.numProps); + __GLX_SWAP_INT_ARRAY(props_buf, num_props); + } + WriteToClient(client, sz_xGLXGetVisualConfigsReply, (char *) &reply); + props_per_visual_size = props_buf_size / num_visuals; + for (i = 0; i < num_visuals; i++) { + WriteToClient(client, + props_per_visual_size, + &((char *) props_buf)[i * props_per_visual_size]); + } + res = Success; + + out: + EPHYR_LOG("leave\n"); + free(props_buf); + props_buf = NULL; + + return res; +} + +int +ephyrGLXGetVisualConfigs(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXGetVisualConfigsReal(a_cl, a_pc, FALSE); +} + +int +ephyrGLXGetVisualConfigsSwap(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXGetVisualConfigsReal(a_cl, a_pc, TRUE); +} + +int +ephyrGLXClientInfo(__GLXclientState * a_cl, GLbyte * a_pc) +{ + int res = BadImplementation; + xGLXClientInfoReq *req = (xGLXClientInfoReq *) a_pc; + + EPHYR_LOG("enter\n"); + if (!ephyrHostGLXSendClientInfo(req->major, req->minor, (char *) req + 1)) { + EPHYR_LOG_ERROR("failed to send client info to host\n"); + goto out; + } + res = Success; + + out: + EPHYR_LOG("leave\n"); + return res; +} + +int +ephyrGLXClientInfoSwap(__GLXclientState * a_cl, GLbyte * a_pc) +{ + xGLXClientInfoReq *req = (xGLXClientInfoReq *) a_pc; + + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_SHORT(&req->length); + __GLX_SWAP_INT(&req->major); + __GLX_SWAP_INT(&req->minor); + __GLX_SWAP_INT(&req->numbytes); + + return ephyrGLXClientInfo(a_cl, a_pc); +} + +int +ephyrGLXQueryServerString(__GLXclientState * a_cl, GLbyte * a_pc) +{ + int res = BadImplementation; + ClientPtr client = a_cl->client; + xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) a_pc; + xGLXQueryServerStringReply reply; + char *server_string = NULL, *buf = NULL; + int length = 0; + + EPHYR_LOG("enter\n"); + if (!ephyrHostGLXGetStringFromServer(req->screen, + req->name, + EPHYR_HOST_GLX_QueryServerString, + &server_string)) { + EPHYR_LOG_ERROR("failed to query string from host\n"); + goto out; + } + EPHYR_LOG("string: %s\n", server_string); + length = strlen(server_string) + 1; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = __GLX_PAD(length) >> 2; + reply.n = length; + buf = calloc(reply.length << 2, 1); + if (!buf) { + EPHYR_LOG_ERROR("failed to allocate string\n;"); + return BadAlloc; + } + memcpy(buf, server_string, length); + + WriteToClient(client, sz_xGLXQueryServerStringReply, (char *) &reply); + WriteToClient(client, (int) (reply.length << 2), server_string); + + res = Success; + + out: + EPHYR_LOG("leave\n"); + free(server_string); + server_string = NULL; + + free(buf); + buf = NULL; + + return res; +} + +int +ephyrGLXQueryServerStringSwap(__GLXclientState * a_cl, GLbyte * a_pc) +{ + EPHYR_LOG_ERROR("not yet implemented\n"); + return BadImplementation; +} + +int +ephyrGLXGetFBConfigsSGIX(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXGetFBConfigsSGIXReal(a_cl, a_pc, FALSE); +} + +int +ephyrGLXGetFBConfigsSGIXSwap(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXGetFBConfigsSGIXReal(a_cl, a_pc, TRUE); +} + +static int +ephyrGLXCreateContextReal(xGLXCreateContextReq * a_req, Bool a_do_swap) +{ + int res = BadImplementation; + EphyrHostWindowAttributes host_w_attrs; + + __GLX_DECLARE_SWAP_VARIABLES; + + EPHYR_RETURN_VAL_IF_FAIL(a_req, BadValue); + EPHYR_LOG("enter\n"); + + if (a_do_swap) { + __GLX_SWAP_SHORT(&a_req->length); + __GLX_SWAP_INT(&a_req->context); + __GLX_SWAP_INT(&a_req->visual); + __GLX_SWAP_INT(&a_req->screen); + __GLX_SWAP_INT(&a_req->shareList); + } + + EPHYR_LOG("context creation requested. localid:%d, " + "screen:%d, visual:%d, direct:%d\n", + (int) a_req->context, (int) a_req->screen, + (int) a_req->visual, (int) a_req->isDirect); + + memset(&host_w_attrs, 0, sizeof(host_w_attrs)); + if (!hostx_get_window_attributes(hostx_get_window(a_req->screen), + &host_w_attrs)) { + EPHYR_LOG_ERROR("failed to get host window attrs\n"); + goto out; + } + + EPHYR_LOG("host window visual id: %d\n", host_w_attrs.visualid); + + if (!ephyrHostGLXCreateContext(a_req->screen, + host_w_attrs.visualid, + a_req->context, + a_req->shareList, a_req->isDirect)) { + EPHYR_LOG_ERROR("ephyrHostGLXCreateContext() failed\n"); + goto out; + } + res = Success; + out: + EPHYR_LOG("leave\n"); + return res; +} + +int +ephyrGLXCreateContext(__GLXclientState * cl, GLbyte * pc) +{ + xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; + + return ephyrGLXCreateContextReal(req, FALSE); +} + +int +ephyrGLXCreateContextSwap(__GLXclientState * cl, GLbyte * pc) +{ + xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; + + return ephyrGLXCreateContextReal(req, TRUE); +} + +static int +ephyrGLXDestroyContextReal(__GLXclientState * a_cl, + GLbyte * a_pc, Bool a_do_swap) +{ + int res = BadImplementation; + ClientPtr client = a_cl->client; + xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) a_pc; + + EPHYR_LOG("enter. id:%d\n", (int) req->context); + if (!ephyrHostDestroyContext(req->context)) { + EPHYR_LOG_ERROR("ephyrHostDestroyContext() failed\n"); + client->errorValue = req->context; + goto out; + } + res = Success; + + out: + EPHYR_LOG("leave\n"); + return res; +} + +int +ephyrGLXDestroyContext(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXDestroyContextReal(a_cl, a_pc, FALSE); +} + +int +ephyrGLXDestroyContextSwap(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXDestroyContextReal(a_cl, a_pc, TRUE); +} + +static int +ephyrGLXMakeCurrentReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap) +{ + int res = BadImplementation; + xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc; + xGLXMakeCurrentReply reply; + DrawablePtr drawable = NULL; + int rc = 0; + + EPHYR_LOG("enter\n"); + rc = dixLookupDrawable(&drawable, + req->drawable, a_cl->client, 0, DixReadAccess); + EPHYR_RETURN_VAL_IF_FAIL(drawable, BadValue); + EPHYR_RETURN_VAL_IF_FAIL(drawable->pScreen, BadValue); + EPHYR_LOG("screen nummber requested:%d\n", drawable->pScreen->myNum); + + memset(&reply, 0, sizeof(reply)); + if (!ephyrHostGLXMakeCurrent(hostx_get_window(drawable->pScreen->myNum), + req->context, + req->oldContextTag, + (int *) &reply.contextTag)) { + EPHYR_LOG_ERROR("ephyrHostGLXMakeCurrent() failed\n"); + goto out; + } + reply.length = 0; + reply.type = X_Reply; + reply.sequenceNumber = a_cl->client->sequence; + if (a_do_swap) { + __GLX_DECLARE_SWAP_VARIABLES; + __GLX_SWAP_SHORT(&reply.sequenceNumber); + __GLX_SWAP_INT(&reply.length); + __GLX_SWAP_INT(&reply.contextTag); + } + WriteToClient(a_cl->client, sz_xGLXMakeCurrentReply, (char *) &reply); + + res = Success; + out: + EPHYR_LOG("leave\n"); + return res; +} + +int +ephyrGLXMakeCurrent(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXMakeCurrentReal(a_cl, a_pc, FALSE); +} + +int +ephyrGLXMakeCurrentSwap(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXMakeCurrentReal(a_cl, a_pc, TRUE); +} + +static int +ephyrGLXGetStringReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap) +{ + ClientPtr client = NULL; + int context_tag = 0, name = 0, res = BadImplementation, length = 0; + char *string = NULL; + + __GLX_DECLARE_SWAP_VARIABLES; + + EPHYR_RETURN_VAL_IF_FAIL(a_cl && a_pc, BadValue); + + EPHYR_LOG("enter\n"); + + client = a_cl->client; + + if (a_do_swap) { + __GLX_SWAP_INT(a_pc + 4); + __GLX_SWAP_INT(a_pc + __GLX_SINGLE_HDR_SIZE); + } + context_tag = __GLX_GET_SINGLE_CONTEXT_TAG(a_pc); + a_pc += __GLX_SINGLE_HDR_SIZE; + name = *(GLenum *) (a_pc + 0); + EPHYR_LOG("context_tag:%d, name:%d\n", context_tag, name); + if (!ephyrHostGLXGetStringFromServer(context_tag, + name, + EPHYR_HOST_GLX_GetString, &string)) { + EPHYR_LOG_ERROR("failed to get string from server\n"); + goto out; + } + if (string) { + length = strlen(string) + 1; + EPHYR_LOG("got string:'%s', size:%d\n", string, length); + } + else { + EPHYR_LOG("got string: string (null)\n"); + } + __GLX_BEGIN_REPLY(length); + __GLX_PUT_SIZE(length); + __GLX_SEND_HEADER(); + if (a_do_swap) { + __GLX_SWAP_REPLY_SIZE(); + __GLX_SWAP_REPLY_HEADER(); + } + WriteToClient(client, length, (char *) string); + + res = Success; + out: + EPHYR_LOG("leave\n"); + return res; +} + +int +ephyrGLXGetString(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXGetStringReal(a_cl, a_pc, FALSE); +} + +int +ephyrGLXGetStringSwap(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXGetStringReal(a_cl, a_pc, TRUE); +} + +static int +ephyrGLXGetIntegervReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap) +{ + int res = BadImplementation; + xGLXSingleReq *const req = (xGLXSingleReq *) a_pc; + GLenum int_name; + int value = 0; + GLint answer_buf_room[200]; + GLint *buf = NULL; + + EPHYR_LOG("enter\n"); + + a_pc += __GLX_SINGLE_HDR_SIZE; + + int_name = *(GLenum *) (a_pc + 0); + if (!ephyrHostGetIntegerValue(req->contextTag, int_name, &value)) { + EPHYR_LOG_ERROR("ephyrHostGetIntegerValue() failed\n"); + goto out; + } + buf = __glXGetAnswerBuffer(a_cl, sizeof(value), + answer_buf_room, sizeof(answer_buf_room), 4); + + if (!buf) { + EPHYR_LOG_ERROR("failed to allocate reply buffer\n"); + res = BadAlloc; + goto out; + } + __glXSendReply(a_cl->client, buf, 1, sizeof(value), GL_FALSE, 0); + res = Success; + + out: + EPHYR_LOG("leave\n"); + return res; +} + +int +ephyrGLXGetIntegerv(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXGetIntegervReal(a_cl, a_pc, FALSE); +} + +int +ephyrGLXGetIntegervSwap(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXGetIntegervReal(a_cl, a_pc, TRUE); +} + +static int +ephyrGLXIsDirectReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap) +{ + int res = BadImplementation; + ClientPtr client = a_cl->client; + xGLXIsDirectReq *req = (xGLXIsDirectReq *) a_pc; + xGLXIsDirectReply reply; + int is_direct = 0; + + EPHYR_RETURN_VAL_IF_FAIL(a_cl && a_pc, FALSE); + + EPHYR_LOG("enter\n"); + + memset(&reply, 0, sizeof(reply)); + if (!ephyrHostIsContextDirect(req->context, (int *) &is_direct)) { + EPHYR_LOG_ERROR("ephyrHostIsContextDirect() failed\n"); + goto out; + } + reply.isDirect = is_direct; + reply.length = 0; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + WriteToClient(client, sz_xGLXIsDirectReply, (char *) &reply); + res = Success; + + out: + EPHYR_LOG("leave\n"); + return res; +} + +int +ephyrGLXIsDirect(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXIsDirectReal(a_cl, a_pc, FALSE); +} + +int +ephyrGLXIsDirectSwap(__GLXclientState * a_cl, GLbyte * a_pc) +{ + return ephyrGLXIsDirectReal(a_cl, a_pc, TRUE); +} |