Add support for SPV_KHR_shader_clock

SPIRV/GLSL.ext.KHR.h

@@ -42,5 +42,6 @@ static const char* const E_SPV_KHR_post_depth_coverage          = "SPV_KHR_post_
 static const char* const E_SPV_KHR_vulkan_memory_model          = "SPV_KHR_vulkan_memory_model";
 static const char* const E_SPV_EXT_physical_storage_buffer      = "SPV_EXT_physical_storage_buffer";
 static const char* const E_SPV_EXT_fragment_shader_interlock    = "SPV_EXT_fragment_shader_interlock";
+static const char* const E_SPV_KHR_shader_clock                 = "SPV_KHR_shader_clock";
 
 #endif  // #ifndef GLSLextKHR_H

SPIRV/GlslangToSpv.cpp

@@ -7623,6 +7623,22 @@ spv::Id TGlslangToSpvTraverser::createNoArgOperation(glslang::TOperator op, spv:
         return id;
     }
 
+    case glslang::EOpReadClockSubgroupKHR: {
+        std::vector<spv::Id> args;
+        args.push_back(builder.makeUintConstant(spv::ScopeSubgroup));
+        builder.addExtension(spv::E_SPV_KHR_shader_clock);
+        builder.addCapability(spv::CapabilityShaderClockKHR);
+        return builder.createOp(spv::OpReadClockKHR, typeId, args);
+    }
+
+    case glslang::EOpReadClockDeviceKHR: {
+        std::vector<spv::Id> args;
+        args.push_back(builder.makeUintConstant(spv::ScopeDevice));
+        builder.addExtension(spv::E_SPV_KHR_shader_clock);
+        builder.addCapability(spv::CapabilityShaderClockKHR);
+        return builder.createOp(spv::OpReadClockKHR, typeId, args);
+    }
+
     default:
         logger->missingFunctionality("unknown operation with no arguments");
         return 0;

SPIRV/doc.cpp

@@ -959,6 +959,7 @@ const char* CapabilityString(int info)
     case CapabilityFragmentShaderShadingRateInterlockEXT:   return "CapabilityFragmentShaderShadingRateInterlockEXT";
 
     case CapabilityDemoteToHelperInvocationEXT:             return "DemoteToHelperInvocationEXT";
+    case CapabilityShaderClockKHR:                          return "ShaderClockKHR";
 
     default: return "Bad";
     }
@@ -1349,6 +1350,8 @@ const char* OpcodeString(int op)
     case 5012: return "OpFragmentFetchAMD";
 #endif
 
+    case OpReadClockKHR:               return "OpReadClockKHR";
+
     case OpDecorateStringGOOGLE:       return "OpDecorateStringGOOGLE";
     case OpMemberDecorateStringGOOGLE: return "OpMemberDecorateStringGOOGLE";
 
@@ -2790,6 +2793,8 @@ void Parameterize()
     InstructionDesc[OpCooperativeMatrixLengthNV].operands.push(OperandId, "'Type'");
 
     InstructionDesc[OpDemoteToHelperInvocationEXT].setResultAndType(false, false);
+
+    InstructionDesc[OpReadClockKHR].operands.push(OperandScope, "'Scope'");
 }
 
 }; // end spv namespace

SPIRV/spirv.hpp

@@ -809,6 +809,7 @@ enum Capability {
     CapabilityFragmentMaskAMD = 5010,
     CapabilityStencilExportEXT = 5013,
     CapabilityImageReadWriteLodAMD = 5015,
+    CapabilityShaderClockKHR = 5055,
     CapabilitySampleMaskOverrideCoverageNV = 5249,
     CapabilityGeometryShaderPassthroughNV = 5251,
     CapabilityShaderViewportIndexLayerEXT = 5254,
@@ -1219,6 +1220,7 @@ enum Op {
     OpGroupSMaxNonUniformAMD = 5007,
     OpFragmentMaskFetchAMD = 5011,
     OpFragmentFetchAMD = 5012,
+    OpReadClockKHR = 5056,
     OpImageSampleFootprintNV = 5283,
     OpGroupNonUniformPartitionNV = 5296,
     OpWritePackedPrimitiveIndices4x8NV = 5299,