parselist++;
break;
case GLX_FBCONFIG_ID:
+ case GLX_VISUAL_ID:
if (!fbConfig)
return NULL;
parselist++;
desiredVisualID = *parselist++;
break;
case GLX_X_RENDERABLE:
+ case GLX_MAX_PBUFFER_WIDTH:
+ case GLX_MAX_PBUFFER_HEIGHT:
+ case GLX_MAX_PBUFFER_PIXELS:
if (!fbConfig)
- return NULL;
- parselist += 2;
- /* ignore */
+ return NULL; /* invalid config option */
+ parselist += 2; /* ignore the parameter */
break;
#ifdef GLX_EXT_texture_from_pixmap
}
-PUBLIC GLXContext
-glXCreateContext( Display *dpy, XVisualInfo *visinfo,
- GLXContext share_list, Bool direct )
+/**
+ * Helper function used by other glXCreateContext functions.
+ */
+static GLXContext
+create_context(Display *dpy, XMesaVisual xmvis,
+ XMesaContext shareCtx, Bool direct,
+ unsigned major, unsigned minor,
+ unsigned profileMask, unsigned contextFlags)
{
- XMesaVisual xmvis;
GLXContext glxCtx;
- GLXContext shareCtx = share_list;
- if (!dpy || !visinfo)
+ if (!dpy || !xmvis)
return 0;
glxCtx = CALLOC_STRUCT(__GLXcontextRec);
XMesaGarbageCollect();
#endif
- xmvis = find_glx_visual( dpy, visinfo );
- if (!xmvis) {
- /* This visual wasn't found with glXChooseVisual() */
- xmvis = create_glx_visual( dpy, visinfo );
- if (!xmvis) {
- /* unusable visual */
- free(glxCtx);
- return NULL;
- }
- }
-
- glxCtx->xmesaContext = XMesaCreateContext(xmvis,
- shareCtx ? shareCtx->xmesaContext : NULL);
+ glxCtx->xmesaContext = XMesaCreateContext(xmvis, shareCtx, major, minor,
+ profileMask, contextFlags);
if (!glxCtx->xmesaContext) {
free(glxCtx);
return NULL;
}
+PUBLIC GLXContext
+glXCreateContext( Display *dpy, XVisualInfo *visinfo,
+ GLXContext shareCtx, Bool direct )
+{
+ XMesaVisual xmvis;
+
+ xmvis = find_glx_visual( dpy, visinfo );
+ if (!xmvis) {
+ /* This visual wasn't found with glXChooseVisual() */
+ xmvis = create_glx_visual( dpy, visinfo );
+ if (!xmvis) {
+ /* unusable visual */
+ return NULL;
+ }
+ }
+
+ return create_context(dpy, xmvis,
+ shareCtx ? shareCtx->xmesaContext : NULL,
+ direct,
+ 1, 0, GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB, 0x0);
+}
+
+
/* XXX these may have to be removed due to thread-safety issues. */
static GLXContext MakeCurrent_PrevContext = 0;
static GLXDrawable MakeCurrent_PrevDrawable = 0;
PUBLIC GLXContext
glXCreateNewContext( Display *dpy, GLXFBConfig config,
- int renderType, GLXContext shareList, Bool direct )
+ int renderType, GLXContext shareCtx, Bool direct )
{
- GLXContext glxCtx;
- GLXContext shareCtx = shareList;
XMesaVisual xmvis = (XMesaVisual) config;
if (!dpy || !config ||
(renderType != GLX_RGBA_TYPE && renderType != GLX_COLOR_INDEX_TYPE))
return 0;
- glxCtx = CALLOC_STRUCT(__GLXcontextRec);
- if (!glxCtx)
- return 0;
-
- /* deallocate unused windows/buffers */
- XMesaGarbageCollect();
-
- glxCtx->xmesaContext = XMesaCreateContext(xmvis,
- shareCtx ? shareCtx->xmesaContext : NULL);
- if (!glxCtx->xmesaContext) {
- free(glxCtx);
- return NULL;
- }
-
- glxCtx->isDirect = DEFAULT_DIRECT;
- glxCtx->currentDpy = dpy;
- glxCtx->xid = (XID) glxCtx; /* self pointer */
-
- return glxCtx;
+ return create_context(dpy, xmvis,
+ shareCtx ? shareCtx->xmesaContext : NULL,
+ direct,
+ 1, 0, GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB, 0x0);
}
PUBLIC GLXContext
glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config,
- int render_type, GLXContext share_list,
+ int renderType, GLXContext shareCtx,
Bool direct)
{
XMesaVisual xmvis = (XMesaVisual) config;
- GLXContext glxCtx;
- GLXContext shareCtx = share_list;
- glxCtx = CALLOC_STRUCT(__GLXcontextRec);
- if (!glxCtx)
+ if (!dpy || !config ||
+ (renderType != GLX_RGBA_TYPE && renderType != GLX_COLOR_INDEX_TYPE))
return 0;
- /* deallocate unused windows/buffers */
- XMesaGarbageCollect();
-
- glxCtx->xmesaContext = XMesaCreateContext(xmvis,
- shareCtx ? shareCtx->xmesaContext : NULL);
- if (!glxCtx->xmesaContext) {
- free(glxCtx);
- return NULL;
- }
-
- glxCtx->isDirect = DEFAULT_DIRECT;
- glxCtx->currentDpy = dpy;
- glxCtx->xid = (XID) glxCtx; /* self pointer */
-
- return glxCtx;
+ return create_context(dpy, xmvis,
+ shareCtx ? shareCtx->xmesaContext : NULL,
+ direct,
+ 1, 0, GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB, 0x0);
}
if (b)
XMesaReleaseTexImage(dpy, b, buffer);
}
+
+
+
+/*** GLX_ARB_create_context ***/
+
+GLXContext
+glXCreateContextAttribsARB(Display *dpy, GLXFBConfig config,
+ GLXContext shareCtx, Bool direct,
+ const int *attrib_list)
+{
+ XMesaVisual xmvis = (XMesaVisual) config;
+ int majorVersion = 1, minorVersion = 0;
+ int contextFlags = 0x0;
+ int profileMask = GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
+ int renderType = GLX_RGBA_TYPE;
+ unsigned i;
+ Bool done = False;
+ const int contextFlagsAll = (GLX_CONTEXT_DEBUG_BIT_ARB |
+ GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB);
+
+ /* parse attrib_list */
+ for (i = 0; !done && attrib_list[i]; i++) {
+ switch (attrib_list[i]) {
+ case GLX_CONTEXT_MAJOR_VERSION_ARB:
+ majorVersion = attrib_list[++i];
+ break;
+ case GLX_CONTEXT_MINOR_VERSION_ARB:
+ minorVersion = attrib_list[++i];
+ break;
+ case GLX_CONTEXT_FLAGS_ARB:
+ contextFlags = attrib_list[++i];
+ break;
+ case GLX_CONTEXT_PROFILE_MASK_ARB:
+ profileMask = attrib_list[++i];
+ break;
+ case GLX_RENDER_TYPE:
+ renderType = attrib_list[++i];
+ break;
+ case 0:
+ /* end of list */
+ done = True;
+ break;
+ default:
+ /* bad attribute */
+ /* XXX generate BadValue X Error */
+ return NULL;
+ }
+ }
+
+ /* check contextFlags */
+ if (contextFlags & ~contextFlagsAll) {
+ return NULL; /* generate BadValue X Error */
+ }
+
+ /* check profileMask */
+ if (profileMask != GLX_CONTEXT_CORE_PROFILE_BIT_ARB &&
+ profileMask != GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB) {
+ return NULL; /* generate BadValue X Error */
+ }
+
+ /* check version (generate BadMatch if bad) */
+ switch (majorVersion) {
+ case 1:
+ if (minorVersion < 0 || minorVersion > 5)
+ return NULL;
+ break;
+ case 2:
+ if (minorVersion < 0 || minorVersion > 1)
+ return NULL;
+ break;
+ case 3:
+ if (minorVersion < 0 || minorVersion > 2)
+ return NULL;
+ break;
+ case 4:
+ if (minorVersion < 0 || minorVersion > 0)
+ return NULL;
+ break;
+ default:
+ return NULL;
+ }
+
+ if ((contextFlags & GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB) &&
+ majorVersion < 3)
+ return NULL; /* generate GLXBadProfileARB */
+
+ if (renderType == GLX_COLOR_INDEX_TYPE && majorVersion >= 3)
+ return NULL; /* generate BadMatch */
+
+ return create_context(dpy, xmvis,
+ shareCtx ? shareCtx->xmesaContext : NULL,
+ direct,
+ majorVersion, minorVersion,
+ profileMask, contextFlags);
+}