From 459f141e812c64b3b6c96dbe2807ce4c043244bb Mon Sep 17 00:00:00 2001
From: Henri Verbeet <hverbeet@codeweavers.com>
Date: Thu, 2 May 2024 00:33:15 +0200
Subject: [PATCH] vkd3d-shader/glsl: Implement VKD3DSIH_ROUND_Z.

---
 libs/vkd3d-shader/glsl.c                  | 3 +++
 tests/hlsl/d3dcolor-to-ubyte4.shader_test | 4 ++--
 tests/hlsl/trunc.shader_test              | 8 ++++----
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/libs/vkd3d-shader/glsl.c b/libs/vkd3d-shader/glsl.c
index a8cc6d87..634ec24a 100644
--- a/libs/vkd3d-shader/glsl.c
+++ b/libs/vkd3d-shader/glsl.c
@@ -718,6 +718,9 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *gen,
         case VKD3DSIH_ROUND_PI:
             shader_glsl_intrinsic(gen, ins, "ceil");
             break;
+        case VKD3DSIH_ROUND_Z:
+            shader_glsl_intrinsic(gen, ins, "trunc");
+            break;
         default:
             shader_glsl_unhandled(gen, ins);
             break;
diff --git a/tests/hlsl/d3dcolor-to-ubyte4.shader_test b/tests/hlsl/d3dcolor-to-ubyte4.shader_test
index 4fa95663..3d4b59d7 100644
--- a/tests/hlsl/d3dcolor-to-ubyte4.shader_test
+++ b/tests/hlsl/d3dcolor-to-ubyte4.shader_test
@@ -11,7 +11,7 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 -0.5 6.5 7.5 3.4
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (1912.0, 1657.0, -127.0, 867.0) 1
 
 [pixel shader]
@@ -24,5 +24,5 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 -0.5 6.5 7.5 3.4
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (-127.0, -127.0, -127.0, -127.0) 1
diff --git a/tests/hlsl/trunc.shader_test b/tests/hlsl/trunc.shader_test
index 5e3ebd41..9568023f 100644
--- a/tests/hlsl/trunc.shader_test
+++ b/tests/hlsl/trunc.shader_test
@@ -8,10 +8,10 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 -0.5 6.5 7.5 3.4
-todo(sm<4 | glsl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.0, 6.0, 7.0, 3.0)
 uniform 0 float4 -1.5 6.5 7.5 3.4
-todo(sm<4 | glsl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (-1.0, 6.0, 7.0, 3.0)
 
 [pixel shader todo(sm<4)]
@@ -27,7 +27,7 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 -0.5 6.5 7.5 3.4
-todo(sm<4 | glsl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (6.0, 7.0, 0.0, 3.0)
 
 
@@ -45,5 +45,5 @@ float4 main() : sv_target
 [test]
 if(sm<4) uniform 0 float4 -1 6 7 3
 if(sm>=4) uniform 0 int4 -1 6 7 3
-todo(sm<4 | glsl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (6.0, 7.0, -1.0, 3.0)