We have a CPU-side implementation of conditional rendering; it really
should be done on the GPU. It's not necessarily that hard, but nobody
has gotten to fixing it yet.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/mesa/drivers/dri/i965/brw_draw.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_draw.c
b/src/mesa/drivers/dri/i965/brw_draw.c
index 4dae7d3..412c360 100644
--- a/src/mesa/drivers/dri/i965/brw_draw.c
+++ b/src/mesa/drivers/dri/i965/brw_draw.c
@@ -539,6 +539,11 @@ void brw_draw_prims( struct gl_context *ctx,
assert(unused_tfb_object == NULL);
+ if (ctx->Query.CondRenderQuery) {
+ perf_debug("Conditional rendering is implemented in software and may "
+ "stall. This should be fixed in the driver.\n");
+ }
+
if (!_mesa_check_conditional_render(ctx))
return;
--
2.0.2
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