Conor McCarthy : vkd3d-shader/spirv: Handle the sequentially consistent ordering flag for atomic instructions.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 68b31b7396ce8da739106509f184f2c055d45ce2
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/68b31b7396ce8da739106509f184f2...

Author: Conor McCarthy 
Date:   Mon Dec  4 11:29:02 2023 +1000

vkd3d-shader/spirv: Handle the sequentially consistent ordering flag for atomic instructions.

---

libs/vkd3d-shader/spirv.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index 0f74687d..51b114ce 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -9157,6 +9157,7 @@ static void spirv_compiler_emit_atomic_instruction(struct spirv_compiler *compil
     const struct vkd3d_shader_dst_param *resource;
     uint32_t coordinate_id, sample_id, pointer_id;
     struct vkd3d_shader_register_info reg_info;
+    SpvMemorySemanticsMask memory_semantic;
     struct vkd3d_shader_image image;
     unsigned int structure_stride;
     uint32_t coordinate_mask;
@@ -9251,12 +9252,16 @@ static void spirv_compiler_emit_atomic_instruction(struct spirv_compiler *compil
     if (instruction->flags & VKD3DARF_VOLATILE)
         WARN("Ignoring 'volatile' attribute.\n");

+    memory_semantic = (instruction->flags & VKD3DARF_SEQ_CST)
+            ? SpvMemorySemanticsSequentiallyConsistentMask
+            : SpvMemorySemanticsMaskNone;
+
     operands[i++] = pointer_id;
     operands[i++] = spirv_compiler_get_constant_uint(compiler, scope);
-    operands[i++] = spirv_compiler_get_constant_uint(compiler, SpvMemorySemanticsMaskNone);
+    operands[i++] = spirv_compiler_get_constant_uint(compiler, memory_semantic);
     if (instruction->src_count >= 3)
     {
-        operands[i++] = spirv_compiler_get_constant_uint(compiler, SpvMemorySemanticsMaskNone);
+        operands[i++] = spirv_compiler_get_constant_uint(compiler, memory_semantic);
         operands[i++] = spirv_compiler_emit_load_src_with_type(compiler, &src[2], VKD3DSP_WRITEMASK_0, component_type);
     }
     operands[i++] = val_id;