From 06a04537620572b48c1a4adf002a0620bd2e0f50 Mon Sep 17 00:00:00 2001
From: Henri Verbeet <hverbeet@locutus.nl>
Date: Wed, 28 May 2025 10:28:52 +0200
Subject: [PATCH] vkd3d-shader/msl: Implement VSIR_OP_DSX and VSIR_OP_DSY.

---
 libs/vkd3d-shader/msl.c        | 6 ++++++
 tests/hlsl/ddxddy.shader_test  | 4 ++--
 tests/hlsl/discard.shader_test | 2 +-
 tests/hlsl/fwidth.shader_test  | 2 +-
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/libs/vkd3d-shader/msl.c b/libs/vkd3d-shader/msl.c
index b280c3e89..a3b174f61 100644
--- a/libs/vkd3d-shader/msl.c
+++ b/libs/vkd3d-shader/msl.c
@@ -1318,6 +1318,12 @@ static void msl_handle_instruction(struct msl_generator *gen, const struct vkd3d
         case VSIR_OP_DP4:
             msl_dot(gen, ins, VKD3DSP_WRITEMASK_ALL);
             break;
+        case VSIR_OP_DSX:
+            msl_intrinsic(gen, ins, "dfdx");
+            break;
+        case VSIR_OP_DSY:
+            msl_intrinsic(gen, ins, "dfdy");
+            break;
         case VSIR_OP_ELSE:
             msl_else(gen);
             break;
diff --git a/tests/hlsl/ddxddy.shader_test b/tests/hlsl/ddxddy.shader_test
index 307c9063b..b860d200b 100644
--- a/tests/hlsl/ddxddy.shader_test
+++ b/tests/hlsl/ddxddy.shader_test
@@ -8,7 +8,7 @@ float4 main(float4 pos : sv_position) : sv_target
 }
 
 [test]
-todo(sm<4 | glsl | msl) draw quad
+todo(sm<4 | glsl) draw quad
 probe (0, 0, 640, 480) rgba (1.0, 1.0, 0.0, 0.0)
 
 
@@ -29,7 +29,7 @@ float4 main(float4 pos : sv_position) : sv_target
 }
 
 [test]
-todo(sm<4 | glsl | msl) draw quad
+todo(sm<4 | glsl) draw quad
 todo(sm<4) probe (10, 10) rgba (-16.0, -5.0, 3.0, 0.0)
 todo(sm<4) probe (11, 10) rgba (-21.0, -5.0, 3.0, 0.0)
 todo(sm<4) probe (10, 11) rgba (-13.0, -5.0, 3.0, 0.0)
diff --git a/tests/hlsl/discard.shader_test b/tests/hlsl/discard.shader_test
index b2a1d5da0..5325ffba2 100644
--- a/tests/hlsl/discard.shader_test
+++ b/tests/hlsl/discard.shader_test
@@ -30,7 +30,7 @@ float4 main(float4 pos : sv_position) : sv_target
 }
 
 [test]
-todo(sm<4 | glsl | msl) draw quad
+todo(sm<4 | glsl) draw quad
 probe (0, 0) f32(1, 0, 0, 1)
 probe (1, 0) f32(1, 2, 3, 4)
 probe (0, 1) f32(1, 2, 3, 4)
diff --git a/tests/hlsl/fwidth.shader_test b/tests/hlsl/fwidth.shader_test
index 3a559f900..3ba116a57 100644
--- a/tests/hlsl/fwidth.shader_test
+++ b/tests/hlsl/fwidth.shader_test
@@ -18,7 +18,7 @@ float4 main(float4 pos : sv_position) : sv_target
 }
 
 [test]
-todo(sm<4 | glsl | msl) draw quad
+todo(sm<4 | glsl) draw quad
 probe (10, 10) rgba (8.0, 8.0, 8.0, 8.0)
 probe (11, 10) rgba (8.0, 8.0, 8.0, 8.0)
 probe (12, 10) rgba (10.0, 10.0, 10.0, 10.0)