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authorKenneth Graunke <[email protected]>2014-08-03 23:54:22 -0700
committerKenneth Graunke <[email protected]>2014-08-08 00:52:10 -0700
commitae95b9dd9be56ad84a8a4ab5955f580c337259cb (patch)
tree7e92886fdbd655a9761e30dee44deb1d8440d55c /src/mesa
parente9a9d441f0b1a0293e0901d0f6b99a946e51f6f4 (diff)
i965: Emit a performance warning on conditional rendering.
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 <[email protected]> Reviewed-by: Chris Forbes <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_draw.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c
index 4dae7d35b1c..412c3600320 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;