diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_context.c')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_context.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c index 4abb525f78..7f5b8d76e5 100644 --- a/src/mesa/drivers/dri/intel/intel_context.c +++ b/src/mesa/drivers/dri/intel/intel_context.c @@ -529,7 +529,27 @@ intelFlush(GLcontext * ctx) static void intel_glFlush(GLcontext *ctx) { + struct intel_context *intel = intel_context(ctx); + intel_flush(ctx, GL_TRUE); + + /* We're using glFlush as an indicator that a frame is done, which is + * what DRI2 does before calling SwapBuffers (and means we should catch + * people doing front-buffer rendering, as well).. + * + * Wait for the swapbuffers before the one we just emitted, so we don't + * get too many swaps outstanding for apps that are GPU-heavy but not + * CPU-heavy. + * + * Unfortunately, we don't have a handle to the batch containing the swap, + * and getting our hands on that doesn't seem worth it, so we just us the + * first batch we emitted after the last swap. + */ + if (intel->first_post_swapbuffers_batch != NULL) { + drm_intel_bo_wait_rendering(intel->first_post_swapbuffers_batch); + drm_intel_bo_unreference(intel->first_post_swapbuffers_batch); + intel->first_post_swapbuffers_batch = NULL; + } } void @@ -814,6 +834,8 @@ intelDestroyContext(__DRIcontextPrivate * driContextPriv) intel->prim.vb = NULL; dri_bo_unreference(intel->prim.vb_bo); intel->prim.vb_bo = NULL; + dri_bo_unreference(intel->first_post_swapbuffers_batch); + intel->first_post_swapbuffers_batch = NULL; if (release_texture_heaps) { /* Nothing is currently done here to free texture heaps; |