Mesa (master): i965: Program 3DSTATE_HIER_DEPTH_BUFFER properly on Broadwell.
Kenneth Graunke
kwg at kemper.freedesktop.org
Wed Feb 19 09:43:13 UTC 2014
Module: Mesa
Branch: master
Commit: a5d2eb6b98c87e58f158c0426dd180bc4aab53a0
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a5d2eb6b98c87e58f158c0426dd180bc4aab53a0
Author: Kenneth Graunke <kenneth at whitecape.org>
Date: Thu Feb 6 07:21:41 2014 -0800
i965: Program 3DSTATE_HIER_DEPTH_BUFFER properly on Broadwell.
HiZ buffers still don't exist, but when they do, we'll set them up.
Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Eric Anholt <eric at anholt.net>
---
src/mesa/drivers/dri/i965/gen8_depth_state.c | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/gen8_depth_state.c b/src/mesa/drivers/dri/i965/gen8_depth_state.c
index 8d36f6e..2c64e59 100644
--- a/src/mesa/drivers/dri/i965/gen8_depth_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_depth_state.c
@@ -119,14 +119,23 @@ gen8_emit_depth_stencil_hiz(struct brw_context *brw,
OUT_BATCH(depth_mt ? depth_mt->qpitch >> 2 : 0);
ADVANCE_BATCH();
- assert(!hiz); /* TODO: Implement HiZ. */
- BEGIN_BATCH(5);
- OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16 | (5 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
+ if (!hiz) {
+ BEGIN_BATCH(5);
+ OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16 | (5 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ } else {
+ BEGIN_BATCH(5);
+ OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16 | (5 - 2));
+ OUT_BATCH(depth_mt->hiz_mt->region->pitch - 1);
+ OUT_RELOC64(depth_mt->hiz_mt->region->bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
+ OUT_BATCH(depth_mt->hiz_mt->qpitch >> 2);
+ ADVANCE_BATCH();
+ }
if (stencil_mt == NULL) {
BEGIN_BATCH(5);
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