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intel: flush old context before binding new context 

Per the GLX spec, when changing rendering contexts, the old context
should first be flushed.
This commit is contained in:
Brian Paul 2009-10-22 18:32:48 -06:00
parent 5e6a6a2719
commit 55058652b8
1 changed files with 15 additions and 2 deletions
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17
src/mesa/drivers/dri/intel/intel_context.c
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@ -944,10 +944,23 @@ intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
__DRIdrawablePrivate * driReadPriv)
{
__DRIscreenPrivate *psp = driDrawPriv->driScreenPriv;
struct intel_context *intel;
GET_CURRENT_CONTEXT(curCtx);
if (driContextPriv)
intel = (struct intel_context *) driContextPriv->driverPrivate;
else
intel = NULL;
/* According to the glXMakeCurrent() man page: "Pending commands to
* the previous context, if any, are flushed before it is released."
* But only flush if we're actually changing contexts.
*/
if (intel_context(curCtx) && intel_context(curCtx) != intel) {
_mesa_flush(curCtx);
}
if (driContextPriv) {
struct intel_context *intel =
(struct intel_context *) driContextPriv->driverPrivate;
struct intel_framebuffer *intel_fb =
(struct intel_framebuffer *) driDrawPriv->driverPrivate;
GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate;