From: Erik Faye-Lund <erik.faye-lund@collabora.com>
Date: Mon, 31 Aug 2020 08:14:02 +0000 (+0200)
Subject: gallium/util: use uint sampler for stencil-reads
X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=commitdiff_plain;h=2c5c55e72aca297263452535e41222477b012065

gallium/util: use uint sampler for stencil-reads

Some drivers can't use float-samplers to read integer textures, so let's
make sure the stenicil-sampler has the right type.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6512>
---

diff --git a/src/gallium/auxiliary/util/u_simple_shaders.c b/src/gallium/auxiliary/util/u_simple_shaders.c
index 1908f6198a3..e0e093ab575 100644
--- a/src/gallium/auxiliary/util/u_simple_shaders.c
+++ b/src/gallium/auxiliary/util/u_simple_shaders.c
@@ -656,7 +656,8 @@ util_make_fs_blit_msaa_depthstencil(struct pipe_context *pipe,
          "FRAG\n"
          "DCL IN[0], GENERIC[0], LINEAR\n"
          "DCL SAMP[0..1]\n"
-         "DCL SVIEW[0..1], %s, FLOAT\n"
+         "DCL SVIEW[0], %s, FLOAT\n"
+         "DCL SVIEW[1], %s, UINT\n"
          "DCL OUT[0], POSITION\n"
          "DCL OUT[1], STENCIL\n"
          "DCL TEMP[0]\n"
@@ -674,7 +675,7 @@ util_make_fs_blit_msaa_depthstencil(struct pipe_context *pipe,
    assert(tgsi_tex == TGSI_TEXTURE_2D_MSAA ||
           tgsi_tex == TGSI_TEXTURE_2D_ARRAY_MSAA);
 
-   sprintf(text, shader_templ, type, type, type);
+   sprintf(text, shader_templ, type, type, type, type);
 
    if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens))) {
       assert(0);