[PATCH vkd3d] vkd3d-shader: Implement global resource memory barriers.

[Zebediah Figura]

Signed-off-by: Zebediah Figura 
---
 libs/vkd3d-shader/spirv.c                | 7 +++++++
 libs/vkd3d-shader/trace.c                | 5 +++++
 libs/vkd3d-shader/vkd3d_shader_private.h | 1 +
 3 files changed, 13 insertions(+)

diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index a997ec6f..106c2980 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -8866,6 +8866,13 @@ static void vkd3d_dxbc_compiler_emit_sync(struct vkd3d_dxbc_compiler *compiler,
         flags &= ~VKD3DSSF_THREAD_GROUP;
     }

+    if (flags & VKD3DSSF_GLOBAL_UAV)
+    {
+        memory_scope = SpvScopeDevice;
+        memory_semantics |= SpvMemorySemanticsImageMemoryMask;
+        flags &= ~VKD3DSSF_GLOBAL_UAV;
+    }
+
     if (flags)
     {
         FIXME("Unhandled sync flags %#x.\n", flags);
diff --git a/libs/vkd3d-shader/trace.c b/libs/vkd3d-shader/trace.c
index cab5b80d..40b3e318 100644
--- a/libs/vkd3d-shader/trace.c
+++ b/libs/vkd3d-shader/trace.c
@@ -368,6 +368,11 @@ static void shader_dump_global_flags(struct vkd3d_string_buffer *buffer, DWORD g

static void shader_dump_sync_flags(struct vkd3d_string_buffer *buffer, DWORD sync_flags)
 {
+    if (sync_flags & VKD3DSSF_GLOBAL_UAV)
+    {
+        shader_addline(buffer, "_uglobal");
+        sync_flags &= ~VKD3DSSF_GLOBAL_UAV;
+    }
     if (sync_flags & VKD3DSSF_GROUP_SHARED_MEMORY)
     {
         shader_addline(buffer, "_g");
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 0601bdeb..8bb85a8b 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -493,6 +493,7 @@ enum vkd3d_shader_sync_flags
 {
     VKD3DSSF_THREAD_GROUP        = 0x1,
     VKD3DSSF_GROUP_SHARED_MEMORY = 0x2,
+    VKD3DSSF_GLOBAL_UAV          = 0x8,
 };

enum vkd3d_shader_uav_flags