[PATCH 3/3] vkd3d-shader/spirv: Emit a compiler warning if an atomic op is flagged volatile.

[Conor McCarthy]

From: Conor McCarthy

---
 libs/vkd3d-shader/spirv.c                | 4 ++++
 libs/vkd3d-shader/vkd3d_shader_private.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index 46130244c..3021b413b 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -9253,7 +9253,11 @@ static void spirv_compiler_emit_atomic_instruction(struct spirv_compiler *compil
     val_id = spirv_compiler_emit_load_src_with_type(compiler, &src[1], VKD3DSP_WRITEMASK_0, component_type);

if (instruction->flags & VKD3DARF_VOLATILE)
+    {
         WARN("Ignoring 'volatile' attribute.\n");
+        spirv_compiler_warning(compiler, VKD3D_SHADER_WARNING_SPV_IGNORING_FLAG,
+                "Ignoring the 'volatile' attribute flag for atomic instruction %#x.", instruction->handler_idx);
+    }

memory_semantic = (instruction->flags & VKD3DARF_SEQ_CST)
             ? SpvMemorySemanticsSequentiallyConsistentMask
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index b07a7bff7..27c025926 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -100,6 +100,7 @@ enum vkd3d_shader_error

VKD3D_SHADER_WARNING_SPV_INVALID_SWIZZLE            = 2300,
     VKD3D_SHADER_WARNING_SPV_INVALID_UAV_FLAGS          = 2301,
+    VKD3D_SHADER_WARNING_SPV_IGNORING_FLAG              = 2302,

VKD3D_SHADER_ERROR_RS_OUT_OF_MEMORY                 = 3000,
     VKD3D_SHADER_ERROR_RS_INVALID_VERSION               = 3001,