Merge pull request #398 from amdrexu/feature

AMD: Implement 4 AMD-specific extensions.

CMakeLists.txt

@@ -1,12 +1,18 @@
 cmake_minimum_required(VERSION 2.8.12)
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+option(ENABLE_AMD_EXTENSIONS "Enables support of AMD-specific extensions" OFF)
+
 enable_testing()
 
 set(CMAKE_INSTALL_PREFIX "install" CACHE STRING "prefix")
 
 project(glslang)
 
+if(ENABLE_AMD_EXTENSIONS)
+    add_definitions(-DAMD_EXTENSIONS)
+endif(ENABLE_AMD_EXTENSIONS)
+
 if(WIN32)
     set(CMAKE_DEBUG_POSTFIX "d")
     include(ChooseMSVCCRT.cmake)

SPIRV/CMakeLists.txt

@@ -18,6 +18,11 @@ set(HEADERS
     doc.h
     disassemble.h)
 
+if(ENABLE_AMD_EXTENSIONS)
+    set(HEADERS
+        GLSL.ext.AMD.h)
+endif(ENABLE_AMD_EXTENSIONS)
+
 add_library(SPIRV STATIC ${SOURCES} ${HEADERS})
 set_property(TARGET SPIRV PROPERTY FOLDER glslang)
 

SPIRV/GLSL.ext.AMD.h

@@ -0,0 +1,113 @@
+/*
+** Copyright (c) 2014-2016 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a copy
+** of this software and/or associated documentation files (the "Materials"),
+** to deal in the Materials without restriction, including without limitation
+** the rights to use, copy, modify, merge, publish, distribute, sublicense,
+** and/or sell copies of the Materials, and to permit persons to whom the
+** Materials are furnished to do so, subject to the following conditions:
+**
+** The above copyright notice and this permission notice shall be included in
+** all copies or substantial portions of the Materials.
+**
+** MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS KHRONOS
+** STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS SPECIFICATIONS AND
+** HEADER INFORMATION ARE LOCATED AT https://www.khronos.org/registry/
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+** OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+** THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+** FROM,OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE USE OR OTHER DEALINGS
+** IN THE MATERIALS.
+*/
+
+#ifndef GLSLextAMD_H
+#define GLSLextAMD_H
+
+enum BuiltIn;
+enum Decoration;
+enum Op;
+
+static const int GLSLextAMDVersion = 100;
+static const int GLSLextAMDRevision = 1;
+
+// SPV_AMD_shader_ballot
+static const char* const E_SPV_AMD_shader_ballot = "SPV_AMD_shader_ballot";
+
+static const Op OpGroupIAddNonUniformAMD = static_cast<Op>(5000);
+static const Op OpGroupFAddNonUniformAMD = static_cast<Op>(5001);
+static const Op OpGroupFMinNonUniformAMD = static_cast<Op>(5002);
+static const Op OpGroupUMinNonUniformAMD = static_cast<Op>(5003);
+static const Op OpGroupSMinNonUniformAMD = static_cast<Op>(5004);
+static const Op OpGroupFMaxNonUniformAMD = static_cast<Op>(5005);
+static const Op OpGroupUMaxNonUniformAMD = static_cast<Op>(5006);
+static const Op OpGroupSMaxNonUniformAMD = static_cast<Op>(5007);
+
+enum ShaderBallotAMD {
+    ShaderBallotBadAMD = 0, // Don't use
+
+    SwizzleInvocationsAMD = 1,
+    SwizzleInvocationsMaskedAMD = 2,
+    WriteInvocationAMD = 3,
+    MbcntAMD = 4,
+
+    ShaderBallotCountAMD
+};
+
+// SPV_AMD_shader_trinary_minmax
+static const char* const E_SPV_AMD_shader_trinary_minmax = "SPV_AMD_shader_trinary_minmax";
+
+enum ShaderTrinaryMinMaxAMD {
+    ShaderTrinaryMinMaxBadAMD = 0, // Don't use
+
+    FMin3AMD = 1,
+    UMin3AMD = 2,
+    SMin3AMD = 3,
+    FMax3AMD = 4,
+    UMax3AMD = 5,
+    SMax3AMD = 6,
+    FMid3AMD = 7,
+    UMid3AMD = 8,
+    SMid3AMD = 9,
+
+    ShaderTrinaryMinMaxCountAMD
+};
+
+// SPV_AMD_shader_explicit_vertex_parameter
+static const char* const E_SPV_AMD_shader_explicit_vertex_parameter = "SPV_AMD_shader_explicit_vertex_parameter";
+
+static const BuiltIn BuiltInBaryCoordNoPerspAMD           = static_cast<BuiltIn>(4992);
+static const BuiltIn BuiltInBaryCoordNoPerspCentroidAMD   = static_cast<BuiltIn>(4993);
+static const BuiltIn BuiltInBaryCoordNoPerspSampleAMD     = static_cast<BuiltIn>(4994);
+static const BuiltIn BuiltInBaryCoordSmoothAMD            = static_cast<BuiltIn>(4995);
+static const BuiltIn BuiltInBaryCoordSmoothCentroidAMD    = static_cast<BuiltIn>(4996);
+static const BuiltIn BuiltInBaryCoordSmoothSampleAMD      = static_cast<BuiltIn>(4997);
+static const BuiltIn BuiltInBaryCoordPullModelAMD         = static_cast<BuiltIn>(4998);
+
+static const Decoration DecorationExplicitInterpAMD       = static_cast<Decoration>(4999);
+
+enum ShaderExplicitVertexParameterAMD {
+    ShaderExplicitVertexParameterBadAMD = 0, // Don't use
+
+    InterpolateAtVertexAMD = 1,
+
+    ShaderExplicitVertexParameterCountAMD
+};
+
+// SPV_AMD_gcn_shader
+static const char* const E_SPV_AMD_gcn_shader = "SPV_AMD_gcn_shader";
+
+enum GcnShaderAMD {
+    GcnShaderBadAMD = 0, // Don't use
+
+    CubeFaceIndexAMD = 1,
+    CubeFaceCoordAMD = 2,
+    TimeAMD = 3,
+
+    GcnShaderCountAMD
+};
+
+#endif  // #ifndef GLSLextAMD_H