-static GLXContext
-indirect_create_context(__GLXscreenConfigs *psc,
- const __GLcontextModes *mode,
- GLXContext shareList, int renderType)
-{
- GLXContext gc;
- int bufSize;
- CARD8 opcode;
- __GLXattribute *state;
-
- opcode = __glXSetupForCommand(psc->dpy);
- if (!opcode) {
- return NULL;
- }
-
- /* Allocate our context record */
- gc = (GLXContext) Xmalloc(sizeof(struct __GLXcontextRec));
- if (!gc) {
- /* Out of memory */
- return NULL;
- }
- memset(gc, 0, sizeof(struct __GLXcontextRec));
-
- glx_context_init(gc, psc, mode);
- gc->isDirect = GL_FALSE;
- gc->vtable = &indirect_context_vtable;
- state = Xmalloc(sizeof(struct __GLXattributeRec));
- if (state == NULL) {
- /* Out of memory */
- Xfree(gc);
- return NULL;
- }
- gc->client_state_private = state;
- memset(gc->client_state_private, 0, sizeof(struct __GLXattributeRec));
- state->NoDrawArraysProtocol = (getenv("LIBGL_NO_DRAWARRAYS") != NULL);
-
- /*
- ** Create a temporary buffer to hold GLX rendering commands. The size
- ** of the buffer is selected so that the maximum number of GLX rendering
- ** commands can fit in a single X packet and still have room in the X
- ** packet for the GLXRenderReq header.
- */
-
- bufSize = (XMaxRequestSize(psc->dpy) * 4) - sz_xGLXRenderReq;
- gc->buf = (GLubyte *) Xmalloc(bufSize);
- if (!gc->buf) {
- Xfree(gc->client_state_private);
- Xfree(gc);
- return NULL;
- }
- gc->bufSize = bufSize;
-
- /* Fill in the new context */
- gc->renderMode = GL_RENDER;
-
- state->storePack.alignment = 4;
- state->storeUnpack.alignment = 4;
-
- gc->attributes.stackPointer = &gc->attributes.stack[0];
-
- /*
- ** PERFORMANCE NOTE: A mode dependent fill image can speed things up.
- ** Other code uses the fastImageUnpack bit, but it is never set
- ** to GL_TRUE.
- */
- gc->fastImageUnpack = GL_FALSE;
- gc->fillImage = __glFillImage;
- gc->pc = gc->buf;
- gc->bufEnd = gc->buf + bufSize;
- gc->isDirect = GL_FALSE;
- if (__glXDebug) {
- /*
- ** Set limit register so that there will be one command per packet
- */
- gc->limit = gc->buf;
- }
- else {
- gc->limit = gc->buf + bufSize - __GLX_BUFFER_LIMIT_SIZE;
- }
- gc->majorOpcode = opcode;
-
- /*
- ** Constrain the maximum drawing command size allowed to be
- ** transfered using the X_GLXRender protocol request. First
- ** constrain by a software limit, then constrain by the protocl
- ** limit.
- */
- if (bufSize > __GLX_RENDER_CMD_SIZE_LIMIT) {
- bufSize = __GLX_RENDER_CMD_SIZE_LIMIT;
- }
- if (bufSize > __GLX_MAX_RENDER_CMD_SIZE) {
- bufSize = __GLX_MAX_RENDER_CMD_SIZE;
- }
- gc->maxSmallRenderCommandSize = bufSize;
-
-
- return gc;
+Bool
+validate_renderType_against_config(const struct glx_config *config,
+ int renderType)
+{
+ switch (renderType) {
+ case GLX_RGBA_TYPE:
+ return (config->renderType & GLX_RGBA_BIT) != 0;
+ case GLX_COLOR_INDEX_TYPE:
+ return (config->renderType & GLX_COLOR_INDEX_BIT) != 0;
+ case GLX_RGBA_FLOAT_TYPE_ARB:
+ return (config->renderType & GLX_RGBA_FLOAT_BIT_ARB) != 0;
+ case GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT:
+ return (config->renderType & GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT) != 0;
+ default:
+ break;
+ }
+ return 0;