From: Dave Airlie <airlied@redhat.com>
Date: Fri, 19 Jul 2019 05:45:22 +0000 (+1000)
Subject: llvmpipe: handle early test property.
X-Git-Tag: upstream/19.3.0~2485
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cf84b46a1cd8f602341b1fce32d5f5ec41633e40;p=platform%2Fupstream%2Fmesa.git

llvmpipe: handle early test property.

Also handle setting late for shaders that use stores

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
---

diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index 101877d..bf2c031 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -346,8 +346,12 @@ generate_fs_loop(struct gallivm_state *gallivm,
       zs_format_desc = util_format_description(key->zsbuf_format);
       assert(zs_format_desc);
 
-      if (!shader->info.base.writes_z && !shader->info.base.writes_stencil) {
-         if (key->alpha.enabled ||
+      if (shader->info.base.properties[TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL])
+         depth_mode = EARLY_DEPTH_TEST | EARLY_DEPTH_WRITE;
+      else if (!shader->info.base.writes_z && !shader->info.base.writes_stencil) {
+         if (shader->info.base.writes_memory)
+            depth_mode = LATE_DEPTH_TEST | LATE_DEPTH_WRITE;
+         else if (key->alpha.enabled ||
              key->blend.alpha_to_coverage ||
              shader->info.base.uses_kill ||
              shader->info.base.writes_samplemask) {