diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_context.c')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_context.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c index a664e74936..797bfa8c4b 100644 --- a/src/mesa/drivers/dri/intel/intel_context.c +++ b/src/mesa/drivers/dri/intel/intel_context.c @@ -391,6 +391,26 @@ intel_flush(GLcontext *ctx, GLboolean needs_mi_flush) if (intel->batch->map != intel->batch->ptr) intel_batchbuffer_flush(intel->batch); + + if ((ctx->DrawBuffer->Name == 0) && intel->front_buffer_dirty) { + __DRIscreen *const screen = intel->intelScreen->driScrnPriv; + + if ((screen->dri2.loader->base.version >= 2) + && (screen->dri2.loader->flushFrontBuffer != NULL)) { + (*screen->dri2.loader->flushFrontBuffer)(intel->driDrawable, + intel->driDrawable->loaderPrivate); + + /* Only clear the dirty bit if front-buffer rendering is no longer + * enabled. This is done so that the dirty bit can only be set in + * glDrawBuffer. Otherwise the dirty bit would have to be set at + * each of N places that do rendering. This has worse performances, + * but it is much easier to get correct. + */ + if (intel->is_front_buffer_rendering) { + intel->front_buffer_dirty = GL_FALSE; + } + } + } } void |