aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa/drivers/dri/intel/intel_context.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_context.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_context.c22
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 9db5b546433..a40951abe39 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -521,7 +521,27 @@ 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
@@ -787,6 +807,8 @@ 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) {
/* This share group is about to go away, free our private