From 64ea033c8166187d2e16f7d08ab48f1a9aa2b56e Mon Sep 17 00:00:00 2001
From: Feifan He <feifan@codeweavers.com>
Date: Tue, 3 Dec 2024 00:41:31 +0800
Subject: [PATCH] vkd3d-shader/msl: Implement VKD3DSIH_LOG.

---
 libs/vkd3d-shader/msl.c    | 3 +++
 tests/hlsl/log.shader_test | 6 +++---
 tests/hlsl/pow.shader_test | 2 +-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/libs/vkd3d-shader/msl.c b/libs/vkd3d-shader/msl.c
index ede35e98..658aa7a6 100644
--- a/libs/vkd3d-shader/msl.c
+++ b/libs/vkd3d-shader/msl.c
@@ -609,6 +609,9 @@ static void msl_handle_instruction(struct msl_generator *gen, const struct vkd3d
         case VKD3DSIH_UTOF:
             msl_cast(gen, ins, "float");
             break;
+        case VKD3DSIH_LOG:
+            msl_intrinsic(gen, ins, "log2");
+            break;
         case VKD3DSIH_MOV:
             msl_mov(gen, ins);
             break;
diff --git a/tests/hlsl/log.shader_test b/tests/hlsl/log.shader_test
index 2d0ea412..eaec15e6 100644
--- a/tests/hlsl/log.shader_test
+++ b/tests/hlsl/log.shader_test
@@ -8,7 +8,7 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 2.0 4.0 5.0 0.4
-todo(msl) draw quad
+draw quad
 probe (0, 0) rgba (1.0, 2.0, 2.32192802, -1.32192802) 1
 
 [pixel shader]
@@ -21,7 +21,7 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 10.0 100.0 1.0 0.1
-todo(msl) draw quad
+draw quad
 probe (0, 0) rgba (1.0, 2.0, 0.0, -1.0) 1
 
 [pixel shader]
@@ -34,5 +34,5 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 3.0 10.0 1.0 0.1
-todo(msl) draw quad
+draw quad
 probe (0, 0) rgba (1.0986123, 2.302585, 0.0, -2.302585) 2
diff --git a/tests/hlsl/pow.shader_test b/tests/hlsl/pow.shader_test
index 726afb6a..41ae0d4f 100644
--- a/tests/hlsl/pow.shader_test
+++ b/tests/hlsl/pow.shader_test
@@ -8,7 +8,7 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 0.4 0.8 2.5 2.0
-todo(msl) draw quad
+draw quad
 probe (0, 0) rgba (0.512, 0.101192884, 0.64, 0.25) 4