Add gl_SemanticsVolatile to GL_KHR_memory_scope_semantics, and make volatile-qualified atomics generate MemorySemanticsVolatile when using the Vulkan memory model

2019-06-14 09:56:28 -05:00
parent 96ee92f09b
commit 38a52fca93
8 changed files with 278 additions and 207 deletions
--- a/SPIRV/spirv.hpp
+++ b/SPIRV/spirv.hpp
@@ -632,6 +632,7 @@ enum MemorySemanticsShift {
    MemorySemanticsOutputMemoryKHRShift = 12,
    MemorySemanticsMakeAvailableKHRShift = 13,
    MemorySemanticsMakeVisibleKHRShift = 14,
+    MemorySemanticsVolatileShift = 15,
    MemorySemanticsMax = 0x7fffffff,
 };

@@ -649,7 +650,8 @@ enum MemorySemanticsMask {
    MemorySemanticsImageMemoryMask = 0x00000800,
    MemorySemanticsOutputMemoryKHRMask = 0x00001000,
    MemorySemanticsMakeAvailableKHRMask = 0x00002000,
-    MemorySemanticsMakeVisibleKHRMask = 0x00004000,
+    MemorySemanticsMakeVisibleKHRMask = 0x00004000,
+    MemorySemanticsVolatileMask = 0x00008000,
 };

 enum MemoryAccessShift {