** the dummy context structure.
*/
static __GLXcontext dummyContext = {
- &dummyBuffer[0],
- &dummyBuffer[0],
- &dummyBuffer[0],
- &dummyBuffer[__GLX_BUFFER_LIMIT_SIZE],
- sizeof(dummyBuffer),
+ &dummyBuffer[0],
+ &dummyBuffer[0],
+ &dummyBuffer[0],
+ &dummyBuffer[__GLX_BUFFER_LIMIT_SIZE],
+ sizeof(dummyBuffer),
};
static GLboolean TSDinitialized = GL_FALSE;
static xthread_key_t ContextTSD;
-_X_HIDDEN __GLXcontext *__glXGetCurrentContext(void)
+_X_HIDDEN __GLXcontext *
+__glXGetCurrentContext(void)
{
if (!TSDinitialized) {
xthread_key_create(&ContextTSD, NULL);
}
}
-_X_HIDDEN void __glXSetCurrentContext(__GLXcontext *c)
+_X_HIDDEN void
+__glXSetCurrentContext(__GLXcontext * c)
{
if (!TSDinitialized) {
xthread_key_create(&ContextTSD, NULL);
* \b never be \c NULL. This is important! Because of this
* \c __glXGetCurrentContext can be implemented as trivial macro.
*/
-__thread void * __glX_tls_Context __attribute__((tls_model("initial-exec")))
- = &dummyContext;
+__thread void *__glX_tls_Context __attribute__ ((tls_model("initial-exec")))
+ = &dummyContext;
-_X_HIDDEN void __glXSetCurrentContext( __GLXcontext * c )
+_X_HIDDEN void
+__glXSetCurrentContext(__GLXcontext * c)
{
- __glX_tls_Context = (c != NULL) ? c : &dummyContext;
+ __glX_tls_Context = (c != NULL) ? c : &dummyContext;
}
# else
* initialize the per-thread data key. This is ideally done using the
* \c pthread_once mechanism.
*/
-static void init_thread_data( void )
+static void
+init_thread_data(void)
{
- if ( pthread_key_create( & ContextTSD, NULL ) != 0 ) {
- perror( "pthread_key_create" );
- exit( -1 );
- }
+ if (pthread_key_create(&ContextTSD, NULL) != 0) {
+ perror("pthread_key_create");
+ exit(-1);
+ }
}
-_X_HIDDEN void __glXSetCurrentContext( __GLXcontext * c )
+_X_HIDDEN void
+__glXSetCurrentContext(__GLXcontext * c)
{
- pthread_once( & once_control, init_thread_data );
- pthread_setspecific( ContextTSD, c );
+ pthread_once(&once_control, init_thread_data);
+ pthread_setspecific(ContextTSD, c);
}
-_X_HIDDEN __GLXcontext * __glXGetCurrentContext( void )
+_X_HIDDEN __GLXcontext *
+__glXGetCurrentContext(void)
{
- void * v;
+ void *v;
- pthread_once( & once_control, init_thread_data );
+ pthread_once(&once_control, init_thread_data);
- v = pthread_getspecific( ContextTSD );
- return (v == NULL) ? & dummyContext : (__GLXcontext *) v;
+ v = pthread_getspecific(ContextTSD);
+ return (v == NULL) ? &dummyContext : (__GLXcontext *) v;
}
# endif /* defined( GLX_USE_TLS ) */
#endif
-_X_HIDDEN void __glXSetCurrentContextNull(void)
+_X_HIDDEN void
+__glXSetCurrentContextNull(void)
{
- __glXSetCurrentContext(&dummyContext);
+ __glXSetCurrentContext(&dummyContext);
#ifdef GLX_DIRECT_RENDERING
- _glapi_set_dispatch(NULL); /* no-op functions */
+ _glapi_set_dispatch(NULL); /* no-op functions */
#endif
}
/************************************************************************/
-PUBLIC GLXContext glXGetCurrentContext(void)
+PUBLIC GLXContext
+glXGetCurrentContext(void)
{
- GLXContext cx = __glXGetCurrentContext();
-
- if (cx == &dummyContext) {
- return NULL;
- } else {
- return cx;
- }
+ GLXContext cx = __glXGetCurrentContext();
+
+ if (cx == &dummyContext) {
+ return NULL;
+ }
+ else {
+ return cx;
+ }
}
-PUBLIC GLXDrawable glXGetCurrentDrawable(void)
+PUBLIC GLXDrawable
+glXGetCurrentDrawable(void)
{
- GLXContext gc = __glXGetCurrentContext();
- return gc->currentDrawable;
+ GLXContext gc = __glXGetCurrentContext();
+ return gc->currentDrawable;
}
* \warning
* This function assumes that \c dpy is locked with \c LockDisplay on entry.
*/
-static Bool SendMakeCurrentRequest(Display *dpy, CARD8 opcode,
- GLXContextID gc_id, GLXContextTag gc_tag,
- GLXDrawable draw, GLXDrawable read,
- xGLXMakeCurrentReply *reply)
+static Bool
+SendMakeCurrentRequest(Display * dpy, CARD8 opcode,
+ GLXContextID gc_id, GLXContextTag gc_tag,
+ GLXDrawable draw, GLXDrawable read,
+ xGLXMakeCurrentReply * reply)
{
- Bool ret;
-
-
- LockDisplay(dpy);
-
- if (draw == read) {
- xGLXMakeCurrentReq *req;
-
- GetReq(GLXMakeCurrent,req);
- req->reqType = opcode;
- req->glxCode = X_GLXMakeCurrent;
- req->drawable = draw;
- req->context = gc_id;
- req->oldContextTag = gc_tag;
- }
- else {
- __GLXdisplayPrivate *priv = __glXInitialize(dpy);
-
- /* If the server can support the GLX 1.3 version, we should
- * perfer that. Not only that, some servers support GLX 1.3 but
- * not the SGI extension.
- */
-
- if ((priv->majorVersion > 1) || (priv->minorVersion >= 3)) {
- xGLXMakeContextCurrentReq *req;
-
- GetReq(GLXMakeContextCurrent,req);
- req->reqType = opcode;
- req->glxCode = X_GLXMakeContextCurrent;
- req->drawable = draw;
- req->readdrawable = read;
- req->context = gc_id;
- req->oldContextTag = gc_tag;
- }
- else {
- xGLXVendorPrivateWithReplyReq *vpreq;
- xGLXMakeCurrentReadSGIReq *req;
-
- GetReqExtra(GLXVendorPrivateWithReply,
- sz_xGLXMakeCurrentReadSGIReq-sz_xGLXVendorPrivateWithReplyReq,vpreq);
- req = (xGLXMakeCurrentReadSGIReq *)vpreq;
- req->reqType = opcode;
- req->glxCode = X_GLXVendorPrivateWithReply;
- req->vendorCode = X_GLXvop_MakeCurrentReadSGI;
- req->drawable = draw;
- req->readable = read;
- req->context = gc_id;
- req->oldContextTag = gc_tag;
- }
- }
-
- ret = _XReply(dpy, (xReply*) reply, 0, False);
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- return ret;
+ Bool ret;
+
+
+ LockDisplay(dpy);
+
+ if (draw == read) {
+ xGLXMakeCurrentReq *req;
+
+ GetReq(GLXMakeCurrent, req);
+ req->reqType = opcode;
+ req->glxCode = X_GLXMakeCurrent;
+ req->drawable = draw;
+ req->context = gc_id;
+ req->oldContextTag = gc_tag;
+ }
+ else {
+ __GLXdisplayPrivate *priv = __glXInitialize(dpy);
+
+ /* If the server can support the GLX 1.3 version, we should
+ * perfer that. Not only that, some servers support GLX 1.3 but
+ * not the SGI extension.
+ */
+
+ if ((priv->majorVersion > 1) || (priv->minorVersion >= 3)) {
+ xGLXMakeContextCurrentReq *req;
+
+ GetReq(GLXMakeContextCurrent, req);
+ req->reqType = opcode;
+ req->glxCode = X_GLXMakeContextCurrent;
+ req->drawable = draw;
+ req->readdrawable = read;
+ req->context = gc_id;
+ req->oldContextTag = gc_tag;
+ }
+ else {
+ xGLXVendorPrivateWithReplyReq *vpreq;
+ xGLXMakeCurrentReadSGIReq *req;
+
+ GetReqExtra(GLXVendorPrivateWithReply,
+ sz_xGLXMakeCurrentReadSGIReq -
+ sz_xGLXVendorPrivateWithReplyReq, vpreq);
+ req = (xGLXMakeCurrentReadSGIReq *) vpreq;
+ req->reqType = opcode;
+ req->glxCode = X_GLXVendorPrivateWithReply;
+ req->vendorCode = X_GLXvop_MakeCurrentReadSGI;
+ req->drawable = draw;
+ req->readable = read;
+ req->context = gc_id;
+ req->oldContextTag = gc_tag;
+ }
+ }
+
+ ret = _XReply(dpy, (xReply *) reply, 0, False);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return ret;
}
#ifdef GLX_DIRECT_RENDERING
static __GLXDRIdrawable *
-FetchDRIDrawable(Display *dpy,
- GLXDrawable glxDrawable, GLXContext gc, Bool pre13)
+FetchDRIDrawable(Display * dpy,
+ GLXDrawable glxDrawable, GLXContext gc, Bool pre13)
{
- __GLXdisplayPrivate * const priv = __glXInitialize(dpy);
- __GLXDRIdrawable *pdraw;
- __GLXscreenConfigs *psc;
- XID drawable;
-
- if (priv == NULL)
- return NULL;
-
- psc = &priv->screenConfigs[gc->screen];
- if (psc->drawHash == NULL)
- return NULL;
-
- if (__glxHashLookup(psc->drawHash, glxDrawable, (void *) &pdraw) == 0)
- return pdraw;
-
- /* If this is glXMakeCurrent (pre GLX 1.3) we allow creating the
- * GLX drawable on the fly. Otherwise we pass None as the X
- * drawable */
- if (pre13)
- drawable = glxDrawable;
- else
- drawable = None;
-
- pdraw = psc->driScreen->createDrawable(psc, drawable,
- glxDrawable, gc->mode);
- if (__glxHashInsert(psc->drawHash, glxDrawable, pdraw)) {
- (*pdraw->destroyDrawable)(pdraw);
- return NULL;
- }
-
- return pdraw;
+ __GLXdisplayPrivate *const priv = __glXInitialize(dpy);
+ __GLXDRIdrawable *pdraw;
+ __GLXscreenConfigs *psc;
+ XID drawable;
+
+ if (priv == NULL)
+ return NULL;
+
+ psc = &priv->screenConfigs[gc->screen];
+ if (psc->drawHash == NULL)
+ return NULL;
+
+ if (__glxHashLookup(psc->drawHash, glxDrawable, (void *) &pdraw) == 0)
+ return pdraw;
+
+ /* If this is glXMakeCurrent (pre GLX 1.3) we allow creating the
+ * GLX drawable on the fly. Otherwise we pass None as the X
+ * drawable */
+ if (pre13)
+ drawable = glxDrawable;
+ else
+ drawable = None;
+
+ pdraw = psc->driScreen->createDrawable(psc, drawable,
+ glxDrawable, gc->mode);
+ if (__glxHashInsert(psc->drawHash, glxDrawable, pdraw)) {
+ (*pdraw->destroyDrawable) (pdraw);
+ return NULL;
+ }
+
+ return pdraw;
}
#endif /* GLX_DIRECT_RENDERING */
*
* \note This is in this file so that it can access dummyContext.
*/
-static Bool MakeContextCurrent(Display *dpy, GLXDrawable draw,
- GLXDrawable read, GLXContext gc,
- Bool pre13)
+static Bool
+MakeContextCurrent(Display * dpy, GLXDrawable draw,
+ GLXDrawable read, GLXContext gc, Bool pre13)
{
- xGLXMakeCurrentReply reply;
- const GLXContext oldGC = __glXGetCurrentContext();
- const CARD8 opcode = __glXSetupForCommand(dpy);
- const CARD8 oldOpcode = ((gc == oldGC) || (oldGC == &dummyContext))
+ xGLXMakeCurrentReply reply;
+ const GLXContext oldGC = __glXGetCurrentContext();
+ const CARD8 opcode = __glXSetupForCommand(dpy);
+ const CARD8 oldOpcode = ((gc == oldGC) || (oldGC == &dummyContext))
? opcode : __glXSetupForCommand(oldGC->currentDpy);
- Bool bindReturnValue;
+ Bool bindReturnValue;
- if (!opcode || !oldOpcode) {
- return GL_FALSE;
- }
+ if (!opcode || !oldOpcode) {
+ return GL_FALSE;
+ }
- /* Make sure that the new context has a nonzero ID. In the request,
- * a zero context ID is used only to mean that we bind to no current
- * context.
- */
- if ((gc != NULL) && (gc->xid == None)) {
- return GL_FALSE;
- }
+ /* Make sure that the new context has a nonzero ID. In the request,
+ * a zero context ID is used only to mean that we bind to no current
+ * context.
+ */
+ if ((gc != NULL) && (gc->xid == None)) {
+ return GL_FALSE;
+ }
- _glapi_check_multithread();
+ _glapi_check_multithread();
#ifdef GLX_DIRECT_RENDERING
- /* Bind the direct rendering context to the drawable */
- if (gc && gc->driContext) {
- __GLXDRIdrawable *pdraw = FetchDRIDrawable(dpy, draw, gc, pre13);
- __GLXDRIdrawable *pread = FetchDRIDrawable(dpy, read, gc, pre13);
-
- bindReturnValue =
- (gc->driContext->bindContext) (gc->driContext, pdraw, pread);
- } else
+ /* Bind the direct rendering context to the drawable */
+ if (gc && gc->driContext) {
+ __GLXDRIdrawable *pdraw = FetchDRIDrawable(dpy, draw, gc, pre13);
+ __GLXDRIdrawable *pread = FetchDRIDrawable(dpy, read, gc, pre13);
+
+ bindReturnValue =
+ (gc->driContext->bindContext) (gc->driContext, pdraw, pread);
+ }
+ else
#endif
- {
- /* Send a glXMakeCurrent request to bind the new context. */
- bindReturnValue =
- SendMakeCurrentRequest(dpy, opcode, gc ? gc->xid : None,
- ((dpy != oldGC->currentDpy) || oldGC->isDirect)
- ? None : oldGC->currentContextTag,
- draw, read, &reply);
- }
+ {
+ /* Send a glXMakeCurrent request to bind the new context. */
+ bindReturnValue =
+ SendMakeCurrentRequest(dpy, opcode, gc ? gc->xid : None,
+ ((dpy != oldGC->currentDpy)
+ || oldGC->isDirect)
+ ? None : oldGC->currentContextTag, draw, read,
+ &reply);
+ }
- if (!bindReturnValue) {
- return False;
- }
+ if (!bindReturnValue) {
+ return False;
+ }
#ifdef GLX_DIRECT_RENDERING
- if ((dpy != oldGC->currentDpy || (gc && gc->driContext)) &&
- !oldGC->isDirect && oldGC != &dummyContext) {
+ if ((dpy != oldGC->currentDpy || (gc && gc->driContext)) &&
+ !oldGC->isDirect && oldGC != &dummyContext) {
#else
- if ((dpy != oldGC->currentDpy) && oldGC != &dummyContext) {
+ if ((dpy != oldGC->currentDpy) && oldGC != &dummyContext) {
#endif
- xGLXMakeCurrentReply dummy_reply;
-
- /* We are either switching from one dpy to another and have to
- * send a request to the previous dpy to unbind the previous
- * context, or we are switching away from a indirect context to
- * a direct context and have to send a request to the dpy to
- * unbind the previous context.
- */
- (void) SendMakeCurrentRequest(oldGC->currentDpy, oldOpcode, None,
- oldGC->currentContextTag, None, None,
- & dummy_reply);
- }
+ xGLXMakeCurrentReply dummy_reply;
+
+ /* We are either switching from one dpy to another and have to
+ * send a request to the previous dpy to unbind the previous
+ * context, or we are switching away from a indirect context to
+ * a direct context and have to send a request to the dpy to
+ * unbind the previous context.
+ */
+ (void) SendMakeCurrentRequest(oldGC->currentDpy, oldOpcode, None,
+ oldGC->currentContextTag, None, None,
+ &dummy_reply);
+ }
#ifdef GLX_DIRECT_RENDERING
- else if (oldGC->driContext) {
- oldGC->driContext->unbindContext(oldGC->driContext);
- }
+ else if (oldGC->driContext) {
+ oldGC->driContext->unbindContext(oldGC->driContext);
+ }
#endif
- /* Update our notion of what is current */
- __glXLock();
- if (gc == oldGC) {
- /* Even though the contexts are the same the drawable might have
- * changed. Note that gc cannot be the dummy, and that oldGC
- * cannot be NULL, therefore if they are the same, gc is not
- * NULL and not the dummy.
- */
- gc->currentDrawable = draw;
- gc->currentReadable = read;
- } else {
- if (oldGC != &dummyContext) {
- /* Old current context is no longer current to anybody */
- oldGC->currentDpy = 0;
- oldGC->currentDrawable = None;
- oldGC->currentReadable = None;
- oldGC->currentContextTag = 0;
-
- if (oldGC->xid == None) {
- /* We are switching away from a context that was
- * previously destroyed, so we need to free the memory
- * for the old handle.
- */
+ /* Update our notion of what is current */
+ __glXLock();
+ if (gc == oldGC) {
+ /* Even though the contexts are the same the drawable might have
+ * changed. Note that gc cannot be the dummy, and that oldGC
+ * cannot be NULL, therefore if they are the same, gc is not
+ * NULL and not the dummy.
+ */
+ gc->currentDrawable = draw;
+ gc->currentReadable = read;
+ }
+ else {
+ if (oldGC != &dummyContext) {
+ /* Old current context is no longer current to anybody */
+ oldGC->currentDpy = 0;
+ oldGC->currentDrawable = None;
+ oldGC->currentReadable = None;
+ oldGC->currentContextTag = 0;
+
+ if (oldGC->xid == None) {
+ /* We are switching away from a context that was
+ * previously destroyed, so we need to free the memory
+ * for the old handle.
+ */
#ifdef GLX_DIRECT_RENDERING
- /* Destroy the old direct rendering context */
- if (oldGC->driContext) {
- oldGC->driContext->destroyContext(oldGC->driContext,
- oldGC->psc,
- oldGC->createDpy);
- oldGC->driContext = NULL;
- }
+ /* Destroy the old direct rendering context */
+ if (oldGC->driContext) {
+ oldGC->driContext->destroyContext(oldGC->driContext,
+ oldGC->psc,
+ oldGC->createDpy);
+ oldGC->driContext = NULL;
+ }
#endif
- __glXFreeContext(oldGC);
- }
- }
- if (gc) {
- __glXSetCurrentContext(gc);
-
- gc->currentDpy = dpy;
- gc->currentDrawable = draw;
- gc->currentReadable = read;
-
-#ifdef GLX_DIRECT_RENDERING
- if (!gc->driContext) {
+ __glXFreeContext(oldGC);
+ }
+ }
+ if (gc) {
+ __glXSetCurrentContext(gc);
+
+ gc->currentDpy = dpy;
+ gc->currentDrawable = draw;
+ gc->currentReadable = read;
+
+#ifdef GLX_DIRECT_RENDERING
+ if (!gc->driContext) {
#endif
- if (!IndirectAPI)
- IndirectAPI = __glXNewIndirectAPI();
- _glapi_set_dispatch(IndirectAPI);
+ if (!IndirectAPI)
+ IndirectAPI = __glXNewIndirectAPI();
+ _glapi_set_dispatch(IndirectAPI);
#ifdef GLX_USE_APPLEGL
- do {
- extern void XAppleDRIUseIndirectDispatch(void);
- XAppleDRIUseIndirectDispatch();
- } while (0);
+ do {
+ extern void XAppleDRIUseIndirectDispatch(void);
+ XAppleDRIUseIndirectDispatch();
+ } while (0);
#endif
- __GLXattribute *state =
- (__GLXattribute *)(gc->client_state_private);
-
- gc->currentContextTag = reply.contextTag;
- if (state->array_state == NULL) {
- (void) glGetString(GL_EXTENSIONS);
- (void) glGetString(GL_VERSION);
- __glXInitVertexArrayState(gc);
- }
-#ifdef GLX_DIRECT_RENDERING
- }
- else {
- gc->currentContextTag = -1;
- }
+ __GLXattribute *state =
+ (__GLXattribute *) (gc->client_state_private);
+
+ gc->currentContextTag = reply.contextTag;
+ if (state->array_state == NULL) {
+ (void) glGetString(GL_EXTENSIONS);
+ (void) glGetString(GL_VERSION);
+ __glXInitVertexArrayState(gc);
+ }
+#ifdef GLX_DIRECT_RENDERING
+ }
+ else {
+ gc->currentContextTag = -1;
+ }
#endif
- } else {
- __glXSetCurrentContextNull();
- }
- }
- __glXUnlock();
- return GL_TRUE;
+ }
+ else {
+ __glXSetCurrentContextNull();
+ }
+ }
+ __glXUnlock();
+ return GL_TRUE;
}
-PUBLIC Bool glXMakeCurrent(Display *dpy, GLXDrawable draw, GLXContext gc)
+PUBLIC Bool
+glXMakeCurrent(Display * dpy, GLXDrawable draw, GLXContext gc)
{
- return MakeContextCurrent(dpy, draw, draw, gc, True);
+ return MakeContextCurrent(dpy, draw, draw, gc, True);
}
-PUBLIC GLX_ALIAS(Bool, glXMakeCurrentReadSGI,
- (Display *dpy, GLXDrawable d, GLXDrawable r, GLXContext ctx),
- (dpy, d, r, ctx, False), MakeContextCurrent)
+PUBLIC
+GLX_ALIAS(Bool, glXMakeCurrentReadSGI,
+ (Display * dpy, GLXDrawable d, GLXDrawable r, GLXContext ctx),
+ (dpy, d, r, ctx, False), MakeContextCurrent)
-PUBLIC GLX_ALIAS(Bool, glXMakeContextCurrent,
- (Display *dpy, GLXDrawable d, GLXDrawable r, GLXContext ctx),
- (dpy, d, r, ctx, False), MakeContextCurrent)
+ PUBLIC GLX_ALIAS(Bool, glXMakeContextCurrent,
+ (Display * dpy, GLXDrawable d, GLXDrawable r,
+ GLXContext ctx), (dpy, d, r, ctx, False),
+ MakeContextCurrent)