Merge pull request #1266 from amdrexu/feature

Implement the extension GL_AMD_gpu_shader_half_float_fetch

SPIRV/GLSL.ext.AMD.h

@@ -27,13 +27,8 @@
 #ifndef GLSLextAMD_H
 #define GLSLextAMD_H
 
-enum BuiltIn;
-enum Capability;
-enum Decoration;
-enum Op;
-
 static const int GLSLextAMDVersion = 100;
-static const int GLSLextAMDRevision = 6;
+static const int GLSLextAMDRevision = 7;
 
 // SPV_AMD_shader_ballot
 static const char* const E_SPV_AMD_shader_ballot = "SPV_AMD_shader_ballot";
@@ -107,4 +102,10 @@ static const char* const E_SPV_AMD_shader_image_load_store_lod = "SPV_AMD_shader
 // SPV_AMD_shader_fragment_mask
 static const char* const E_SPV_AMD_shader_fragment_mask = "SPV_AMD_shader_fragment_mask";
 
+// SPV_AMD_gpu_shader_half_float_fetch
+static const char* const E_SPV_AMD_gpu_shader_half_float_fetch = "SPV_AMD_gpu_shader_half_float_fetch";
+
+enum Capability;
+static const Capability CapabilityFloat16ImageAMD = static_cast<Capability>(5008);
+
 #endif  // #ifndef GLSLextAMD_H

SPIRV/GlslangToSpv.cpp

@@ -2340,6 +2340,12 @@ spv::Id TGlslangToSpvTraverser::getSampledType(const glslang::TSampler& sampler)
 {
     switch (sampler.type) {
         case glslang::EbtFloat:    return builder.makeFloatType(32);
+#ifdef AMD_EXTENSIONS
+        case glslang::EbtFloat16:
+            builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float_fetch);
+            builder.addCapability(spv::CapabilityFloat16ImageAMD);
+            return builder.makeFloatType(16);
+#endif
         case glslang::EbtInt:      return builder.makeIntType(32);
         case glslang::EbtUint:     return builder.makeUintType(32);
         default:
@@ -3159,9 +3165,15 @@ void TGlslangToSpvTraverser::translateArguments(const glslang::TIntermAggregate&
 
     glslang::TSampler sampler = {};
     bool cubeCompare = false;
+#ifdef AMD_EXTENSIONS
+    bool f16ShadowCompare = false;
+#endif
     if (node.isTexture() || node.isImage()) {
         sampler = glslangArguments[0]->getAsTyped()->getType().getSampler();
         cubeCompare = sampler.dim == glslang::EsdCube && sampler.arrayed && sampler.shadow;
+#ifdef AMD_EXTENSIONS
+        f16ShadowCompare = sampler.shadow && glslangArguments[1]->getAsTyped()->getType().getBasicType() == glslang::EbtFloat16;
+#endif
     }
 
     for (int i = 0; i < (int)glslangArguments.size(); ++i) {
@@ -3186,6 +3198,21 @@ void TGlslangToSpvTraverser::translateArguments(const glslang::TIntermAggregate&
             if ((sampler.ms && i == 3) || (! sampler.ms && i == 2))
                 lvalue = true;
             break;
+#ifdef AMD_EXTENSIONS
+        case glslang::EOpSparseTexture:
+            if (((cubeCompare || f16ShadowCompare) && i == 3) || (! (cubeCompare || f16ShadowCompare) && i == 2))
+                lvalue = true;
+            break;
+        case glslang::EOpSparseTextureClamp:
+            if (((cubeCompare || f16ShadowCompare) && i == 4) || (! (cubeCompare || f16ShadowCompare) && i == 3))
+                lvalue = true;
+            break;
+        case glslang::EOpSparseTextureLod:
+        case glslang::EOpSparseTextureOffset:
+            if  ((f16ShadowCompare && i == 4) || (! f16ShadowCompare && i == 3))
+                lvalue = true;
+            break;
+#else
         case glslang::EOpSparseTexture:
             if ((cubeCompare && i == 3) || (! cubeCompare && i == 2))
                 lvalue = true;
@@ -3199,6 +3226,7 @@ void TGlslangToSpvTraverser::translateArguments(const glslang::TIntermAggregate&
             if (i == 3)
                 lvalue = true;
             break;
+#endif
         case glslang::EOpSparseTextureFetch:
             if ((sampler.dim != glslang::EsdRect && i == 3) || (sampler.dim == glslang::EsdRect && i == 2))
                 lvalue = true;
@@ -3207,6 +3235,23 @@ void TGlslangToSpvTraverser::translateArguments(const glslang::TIntermAggregate&
             if ((sampler.dim != glslang::EsdRect && i == 4) || (sampler.dim == glslang::EsdRect && i == 3))
                 lvalue = true;
             break;
+#ifdef AMD_EXTENSIONS
+        case glslang::EOpSparseTextureLodOffset:
+        case glslang::EOpSparseTextureGrad:
+        case glslang::EOpSparseTextureOffsetClamp:
+            if ((f16ShadowCompare && i == 5) || (! f16ShadowCompare && i == 4))
+                lvalue = true;
+            break;
+        case glslang::EOpSparseTextureGradOffset:
+        case glslang::EOpSparseTextureGradClamp:
+            if ((f16ShadowCompare && i == 6) || (! f16ShadowCompare && i == 5))
+                lvalue = true;
+            break;
+        case glslang::EOpSparseTextureGradOffsetClamp:
+            if ((f16ShadowCompare && i == 7) || (! f16ShadowCompare && i == 6))
+                lvalue = true;
+            break;
+#else
         case glslang::EOpSparseTextureLodOffset:
         case glslang::EOpSparseTextureGrad:
         case glslang::EOpSparseTextureOffsetClamp:
@@ -3222,6 +3267,7 @@ void TGlslangToSpvTraverser::translateArguments(const glslang::TIntermAggregate&
             if (i == 6)
                 lvalue = true;
             break;
+#endif
         case glslang::EOpSparseTextureGather:
             if ((sampler.shadow && i == 3) || (! sampler.shadow && i == 2))
                 lvalue = true;
@@ -3274,6 +3320,12 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
     // Process a GLSL texturing op (will be SPV image)
     const glslang::TSampler sampler = node->getAsAggregate() ? node->getAsAggregate()->getSequence()[0]->getAsTyped()->getType().getSampler()
                                                              : node->getAsUnaryNode()->getOperand()->getAsTyped()->getType().getSampler();
+#ifdef AMD_EXTENSIONS
+    bool f16ShadowCompare = (sampler.shadow && node->getAsAggregate())
+                                ? node->getAsAggregate()->getSequence()[1]->getAsTyped()->getType().getBasicType() == glslang::EbtFloat16
+                                : false;
+#endif
+
     std::vector<spv::Id> arguments;
     if (node->getAsAggregate())
         translateArguments(*node->getAsAggregate(), arguments);
@@ -3517,6 +3569,9 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
 #ifdef AMD_EXTENSIONS
         if (cracked.gather)
             ++nonBiasArgCount; // comp argument should be present when bias argument is present
+
+        if (f16ShadowCompare)
+            ++nonBiasArgCount;
 #endif
         if (cracked.offset)
             ++nonBiasArgCount;
@@ -3560,7 +3615,11 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO
     bool noImplicitLod = false;
 
     // sort out where Dref is coming from
+#ifdef AMD_EXTENSIONS
+    if (cubeCompare || f16ShadowCompare) {
+#else
     if (cubeCompare) {
+#endif
         params.Dref = arguments[2];
         ++extraArgs;
     } else if (sampler.shadow && cracked.gather) {

SPIRV/SpvBuilder.cpp

@@ -1751,7 +1751,11 @@ Id Builder::createTextureQueryCall(Op opCode, const TextureParameters& parameter
         break;
     }
     case OpImageQueryLod:
+#ifdef AMD_EXTENSIONS
+        resultType = makeVectorType(getScalarTypeId(getTypeId(parameters.coords)), 2);
+#else
         resultType = makeVectorType(makeFloatType(32), 2);
+#endif
         break;
     case OpImageQueryLevels:
     case OpImageQuerySamples:

SPIRV/doc.cpp

@@ -849,6 +849,7 @@ const char* CapabilityString(int info)
     case 5013: return "StencilExportEXT";
 
 #ifdef AMD_EXTENSIONS
+    case 5008: return "Float16ImageAMD";
     case 5009: return "ImageGatherBiasLodAMD";
     case 5010: return "FragmentMaskAMD";
     case 5015: return "ImageReadWriteLodAMD";

Test/baseResults/120.frag.out

@@ -52,7 +52,7 @@ ERROR: 0:209: 'assign' :  cannot convert from ' const float' to ' temp 4-compone
 ERROR: 0:212: 'sampler2DRect' : Reserved word. 
 ERROR: 0:244: ':' :  wrong operand types: no operation ':' exists that takes a left-hand operand of type ' global void' and a right operand of type ' const int' (or there is no acceptable conversion)
 ERROR: 0:245: ':' :  wrong operand types: no operation ':' exists that takes a left-hand operand of type ' const int' and a right operand of type ' global void' (or there is no acceptable conversion)
-ERROR: 0:248: 'shader half float' : required extension not requested: GL_AMD_gpu_shader_half_float
+ERROR: 0:248: 'half floating-point suffix' : required extension not requested: GL_AMD_gpu_shader_half_float
 ERROR: 0:248: 'half floating-point suffix' : not supported with this profile: none
 ERROR: 0:248: '' :  syntax error, unexpected IDENTIFIER, expecting COMMA or SEMICOLON
 ERROR: 56 compilation errors.  No code generated.

glslang/Include/Types.h

@@ -205,6 +205,9 @@ struct TSampler {   // misnomer now; includes images, textures without sampler,
 
         switch (type) {
         case EbtFloat:               break;
+#ifdef AMD_EXTENSIONS
+        case EbtFloat16: s.append("f16"); break;
+#endif
         case EbtInt:  s.append("i"); break;
         case EbtUint: s.append("u"); break;
         default:  break;  // some compilers want this

glslang/MachineIndependent/Initialize.cpp

@@ -82,7 +82,10 @@ TBuiltIns::TBuiltIns()
 {
     // Set up textual representations for making all the permutations
     // of texturing/imaging functions.
-    prefixes[EbtFloat] =  "";
+    prefixes[EbtFloat] = "";
+#ifdef AMD_EXTENSIONS
+    prefixes[EbtFloat16] = "f16";
+#endif
     prefixes[EbtInt]   = "i";
     prefixes[EbtUint]  = "u";
     postfixes[2] = "2";
@@ -4059,8 +4062,11 @@ void TBuiltIns::add2ndGenerationSamplingImaging(int version, EProfile profile, c
     // In this function proper, enumerate the types, then calls the next set of functions
     // to enumerate all the uses for that type.
     //
-
+#ifdef AMD_EXTENSIONS
+    TBasicType bTypes[4] = { EbtFloat, EbtFloat16, EbtInt, EbtUint };
+#else
     TBasicType bTypes[3] = { EbtFloat, EbtInt, EbtUint };
+#endif
     bool skipBuffer = (profile == EEsProfile && version < 310) || (profile != EEsProfile && version < 140);
     bool skipCubeArrayed = (profile == EEsProfile && version < 310) || (profile != EEsProfile && version < 130);
 
@@ -4100,12 +4106,20 @@ void TBuiltIns::add2ndGenerationSamplingImaging(int version, EProfile profile, c
                             continue;
                         if (ms && arrayed && profile == EEsProfile && version < 310)
                             continue;
+#ifdef AMD_EXTENSIONS
+                        for (int bType = 0; bType < 4; ++bType) { // float, float16, int, uint results
 
+                            if (shadow && bType > 1)
+                                continue;
+
+                            if (bTypes[bType] == EbtFloat16 && (profile == EEsProfile ||version < 450))
+                                continue;
+#else
                         for (int bType = 0; bType < 3; ++bType) { // float, int, uint results
 
                             if (shadow && bType > 0)
                                 continue;
-
+#endif
                             if (dim == EsdRect && version < 140 && bType > 0)
                                 continue;
 
@@ -4223,15 +4237,37 @@ void TBuiltIns::addQueryFunctions(TSampler sampler, const TString& typeName, int
     //
 
     if (profile != EEsProfile && version >= 400 && ! sampler.image && sampler.dim != EsdRect && ! sampler.ms && sampler.dim != EsdBuffer) {
-        stageBuiltins[EShLangFragment].append("vec2 textureQueryLod(");
+#ifdef AMD_EXTENSIONS
-        stageBuiltins[EShLangFragment].append(typeName);
+        for (int f16TexAddr = 0; f16TexAddr < 2; ++f16TexAddr) {
-        if (dimMap[sampler.dim] == 1)
+            if (f16TexAddr && sampler.type != EbtFloat16)
-            stageBuiltins[EShLangFragment].append(", float");
+                continue;
-        else {
+#endif
-            stageBuiltins[EShLangFragment].append(", vec");
+            stageBuiltins[EShLangFragment].append("vec2 textureQueryLod(");
-            stageBuiltins[EShLangFragment].append(postfixes[dimMap[sampler.dim]]);
+            stageBuiltins[EShLangFragment].append(typeName);
+            if (dimMap[sampler.dim] == 1)
+#ifdef AMD_EXTENSIONS
+                if (f16TexAddr)
+                    stageBuiltins[EShLangFragment].append(", float16_t");
+                else
+                    stageBuiltins[EShLangFragment].append(", float");
+#else
+                stageBuiltins[EShLangFragment].append(", float");
+#endif
+            else {
+#ifdef AMD_EXTENSIONS
+                if (f16TexAddr)
+                    stageBuiltins[EShLangFragment].append(", f16vec");
+                else
+                    stageBuiltins[EShLangFragment].append(", vec");
+#else
+                stageBuiltins[EShLangFragment].append(", vec");
+#endif
+                stageBuiltins[EShLangFragment].append(postfixes[dimMap[sampler.dim]]);
+            }
+            stageBuiltins[EShLangFragment].append(");\n");
+#ifdef AMD_EXTENSIONS
         }
-        stageBuiltins[EShLangFragment].append(");\n");
+#endif
     }
 
     //
@@ -4421,7 +4457,7 @@ void TBuiltIns::addSamplingFunctions(TSampler sampler, const TString& typeName,
 
                 if (bias && (lod || sampler.ms))
                     continue;
-                if (bias && sampler.dim == Esd2D && sampler.shadow && sampler.arrayed)
+                if (bias && (sampler.dim == Esd2D || sampler.dim == EsdCube) && sampler.shadow && sampler.arrayed)
                     continue;
                 if (bias && (sampler.dim == EsdRect || sampler.dim == EsdBuffer))
                     continue;
@@ -4470,149 +4506,237 @@ void TBuiltIns::addSamplingFunctions(TSampler sampler, const TString& typeName,
                                     continue;
                                 if (extraProj && (sampler.dim == Esd3D || sampler.shadow))
                                     continue;
+#ifdef AMD_EXTENSIONS
+                                for (int f16TexAddr = 0; f16TexAddr <= 1; ++f16TexAddr) { // loop over 16-bit floating-point texel addressing
 
-                                for (int lodClamp = 0; lodClamp <= 1 ;++lodClamp) { // loop over "bool" lod clamp
+                                    if (f16TexAddr && sampler.type != EbtFloat16)
-
-                                    if (lodClamp && (profile == EEsProfile || version < 450))
                                         continue;
-                                    if (lodClamp && (proj || lod || fetch))
+                                    if (f16TexAddr && sampler.shadow && ! compare) {
-                                        continue;
+                                        compare = true; // compare argument is always present
-
+                                        totalDims--;
-                                    for (int sparse = 0; sparse <= 1; ++sparse) { // loop over "bool" sparse or not
-
-                                        if (sparse && (profile == EEsProfile || version < 450))
-                                            continue;
-                                        // Sparse sampling is not for 1D/1D array texture, buffer texture, and projective texture
-                                        if (sparse && (sampler.dim == Esd1D || sampler.dim == EsdBuffer || proj))
-                                            continue;
-
-                                        TString s;
-
-                                        // return type
-                                        if (sparse)
-                                            s.append("int ");
-                                        else {
-                                            if (sampler.shadow)
-                                                s.append("float ");
-                                            else {
-                                                s.append(prefixes[sampler.type]);
-                                                s.append("vec4 ");
-                                            }
-                                        }
-
-                                        // name
-                                        if (sparse) {
-                                            if (fetch)
-                                                s.append("sparseTexel");
-                                            else
-                                                s.append("sparseTexture");
-                                        } else {
-                                            if (fetch)
-                                                s.append("texel");
-                                            else
-                                                s.append("texture");
-                                        }
-                                        if (proj)
-                                            s.append("Proj");
-                                        if (lod)
-                                            s.append("Lod");
-                                        if (grad)
-                                            s.append("Grad");
-                                        if (fetch)
-                                            s.append("Fetch");
-                                        if (offset)
-                                            s.append("Offset");
-                                        if (lodClamp)
-                                            s.append("Clamp");
-                                        if (lodClamp || sparse)
-                                            s.append("ARB");
-                                        s.append("(");
-
-                                        // sampler type
-                                        s.append(typeName);
-
-                                        // P coordinate
-                                        if (extraProj)
-                                            s.append(",vec4");
-                                        else {
-                                            s.append(",");
-                                            TBasicType t = fetch ? EbtInt : EbtFloat;
-                                            if (totalDims == 1)
-                                                s.append(TType::getBasicString(t));
-                                            else {
-                                                s.append(prefixes[t]);
-                                                s.append("vec");
-                                                s.append(postfixes[totalDims]);
-                                            }
-                                        }
-
-                                        if (bias && compare)
-                                            continue;
-
-                                        // non-optional lod argument (lod that's not driven by lod loop) or sample
-                                        if ((fetch && sampler.dim != EsdBuffer && sampler.dim != EsdRect && !sampler.ms) ||
-                                            (sampler.ms && fetch))
-                                            s.append(",int");
-
-                                        // non-optional lod
-                                        if (lod)
-                                            s.append(",float");
-
-                                        // gradient arguments
-                                        if (grad) {
-                                            if (dimMap[sampler.dim] == 1)
-                                                s.append(",float,float");
-                                            else {
-                                                s.append(",vec");
-                                                s.append(postfixes[dimMap[sampler.dim]]);
-                                                s.append(",vec");
-                                                s.append(postfixes[dimMap[sampler.dim]]);
-                                            }
-                                        }
-
-                                        // offset
-                                        if (offset) {
-                                            if (dimMap[sampler.dim] == 1)
-                                                s.append(",int");
-                                            else {
-                                                s.append(",ivec");
-                                                s.append(postfixes[dimMap[sampler.dim]]);
-                                            }
-                                        }
-
-                                        // non-optional compare
-                                        if (compare)
-                                            s.append(",float");
-
-                                        // lod clamp
-                                        if (lodClamp)
-                                            s.append(",float");
-
-                                        // texel out (for sparse texture)
-                                        if (sparse) {
-                                            s.append(",out ");
-                                            if (sampler.shadow)
-                                                s.append("float ");
-                                            else {
-                                                s.append(prefixes[sampler.type]);
-                                                s.append("vec4 ");
-                                            }
-                                        }
-
-                                        // optional bias
-                                        if (bias)
-                                            s.append(",float");
-
-                                        s.append(");\n");
-
-                                        // Add to the per-language set of built-ins
-
-                                        if (bias || lodClamp)
-                                            stageBuiltins[EShLangFragment].append(s);
-                                        else
-                                            commonBuiltins.append(s);
                                     }
+#endif
+                                    for (int lodClamp = 0; lodClamp <= 1 ;++lodClamp) { // loop over "bool" lod clamp
+
+                                        if (lodClamp && (profile == EEsProfile || version < 450))
+                                            continue;
+                                        if (lodClamp && (proj || lod || fetch))
+                                            continue;
+
+                                        for (int sparse = 0; sparse <= 1; ++sparse) { // loop over "bool" sparse or not
+
+                                            if (sparse && (profile == EEsProfile || version < 450))
+                                                continue;
+                                            // Sparse sampling is not for 1D/1D array texture, buffer texture, and projective texture
+                                            if (sparse && (sampler.dim == Esd1D || sampler.dim == EsdBuffer || proj))
+                                                continue;
+
+                                            TString s;
+
+                                            // return type
+                                            if (sparse)
+                                                s.append("int ");
+                                            else {
+                                                if (sampler.shadow)
+#ifdef AMD_EXTENSIONS
+                                                    if (sampler.type == EbtFloat16)
+                                                        s.append("float16_t ");
+                                                    else
+                                                        s.append("float ");
+#else
+                                                    s.append("float ");
+#endif
+                                                else {
+                                                    s.append(prefixes[sampler.type]);
+                                                    s.append("vec4 ");
+                                                }
+                                            }
+
+                                            // name
+                                            if (sparse) {
+                                                if (fetch)
+                                                    s.append("sparseTexel");
+                                                else
+                                                    s.append("sparseTexture");
+                                            }
+                                            else {
+                                                if (fetch)
+                                                    s.append("texel");
+                                                else
+                                                    s.append("texture");
+                                            }
+                                            if (proj)
+                                                s.append("Proj");
+                                            if (lod)
+                                                s.append("Lod");
+                                            if (grad)
+                                                s.append("Grad");
+                                            if (fetch)
+                                                s.append("Fetch");
+                                            if (offset)
+                                                s.append("Offset");
+                                            if (lodClamp)
+                                                s.append("Clamp");
+                                            if (lodClamp || sparse)
+                                                s.append("ARB");
+                                            s.append("(");
+
+                                            // sampler type
+                                            s.append(typeName);
+#ifdef AMD_EXTENSIONS
+                                            // P coordinate
+                                            if (extraProj) {
+                                                if (f16TexAddr)
+                                                    s.append(",f16vec4");
+                                                else
+                                                    s.append(",vec4");
+                                            } else {
+                                                s.append(",");
+                                                TBasicType t = fetch ? EbtInt : (f16TexAddr ? EbtFloat16 : EbtFloat);
+                                                if (totalDims == 1)
+                                                    s.append(TType::getBasicString(t));
+                                                else {
+                                                    s.append(prefixes[t]);
+                                                    s.append("vec");
+                                                    s.append(postfixes[totalDims]);
+                                                }
+                                            }
+#else
+                                            // P coordinate
+                                            if (extraProj)
+                                                s.append(",vec4");
+                                            else {
+                                                s.append(",");
+                                                TBasicType t = fetch ? EbtInt : EbtFloat;
+                                                if (totalDims == 1)
+                                                    s.append(TType::getBasicString(t));
+                                                else {
+                                                    s.append(prefixes[t]);
+                                                    s.append("vec");
+                                                    s.append(postfixes[totalDims]);
+                                                }
+                                            }
+#endif
+                                            // non-optional compare
+                                            if (compare)
+                                                s.append(",float");
+
+                                            // non-optional lod argument (lod that's not driven by lod loop) or sample
+                                            if ((fetch && sampler.dim != EsdBuffer && sampler.dim != EsdRect && !sampler.ms) ||
+                                                (sampler.ms && fetch))
+                                                s.append(",int");
+#ifdef AMD_EXTENSIONS
+                                            // non-optional lod
+                                            if (lod) {
+                                                if (f16TexAddr)
+                                                    s.append(",float16_t");
+                                                else
+                                                    s.append(",float");
+                                            }
+
+                                            // gradient arguments
+                                            if (grad) {
+                                                if (dimMap[sampler.dim] == 1) {
+                                                    if (f16TexAddr)
+                                                        s.append(",float16_t,float16_t");
+                                                    else
+                                                        s.append(",float,float");
+                                                } else {
+                                                    if (f16TexAddr)
+                                                        s.append(",f16vec");
+                                                    else
+                                                        s.append(",vec");
+                                                    s.append(postfixes[dimMap[sampler.dim]]);
+                                                    if (f16TexAddr)
+                                                        s.append(",f16vec");
+                                                    else
+                                                        s.append(",vec");
+                                                    s.append(postfixes[dimMap[sampler.dim]]);
+                                                }
+                                            }
+#else
+                                            // non-optional lod
+                                            if (lod)
+                                                s.append(",float");
+
+                                            // gradient arguments
+                                            if (grad) {
+                                                if (dimMap[sampler.dim] == 1)
+                                                    s.append(",float,float");
+                                                else {
+                                                    s.append(",vec");
+                                                    s.append(postfixes[dimMap[sampler.dim]]);
+                                                    s.append(",vec");
+                                                    s.append(postfixes[dimMap[sampler.dim]]);
+                                                }
+                                            }
+#endif
+                                            // offset
+                                            if (offset) {
+                                                if (dimMap[sampler.dim] == 1)
+                                                    s.append(",int");
+                                                else {
+                                                    s.append(",ivec");
+                                                    s.append(postfixes[dimMap[sampler.dim]]);
+                                                }
+                                            }
+
+#ifdef AMD_EXTENSIONS
+                                            // lod clamp
+                                            if (lodClamp) {
+                                                if (f16TexAddr)
+                                                    s.append(",float16_t");
+                                                else
+                                                    s.append(",float");
+                                            }
+#else
+                                            // lod clamp
+                                            if (lodClamp)
+                                                s.append(",float");
+#endif
+                                            // texel out (for sparse texture)
+                                            if (sparse) {
+                                                s.append(",out ");
+                                                if (sampler.shadow)
+#ifdef AMD_EXTENSIONS
+                                                    if (sampler.type == EbtFloat16)
+                                                        s.append("float16_t");
+                                                    else
+                                                        s.append("float");
+#else
+                                                    s.append("float");
+#endif
+                                                else {
+                                                    s.append(prefixes[sampler.type]);
+                                                    s.append("vec4");
+                                                }
+                                            }
+#ifdef AMD_EXTENSIONS
+                                            // optional bias
+                                            if (bias) {
+                                                if (f16TexAddr)
+                                                    s.append(",float16_t");
+                                                else
+                                                    s.append(",float");
+                                            }
+#else
+                                            // optional bias
+                                            if (bias)
+                                                s.append(",float");
+#endif
+                                            s.append(");\n");
+
+                                            // Add to the per-language set of built-ins
+                                            if (bias || lodClamp)
+                                                stageBuiltins[EShLangFragment].append(s);
+                                            else
+                                                commonBuiltins.append(s);
+
+                                        }
+                                    }
+#ifdef AMD_EXTENSIONS
                                 }
+#endif
                             }
                         }
                     }
@@ -4645,81 +4769,96 @@ void TBuiltIns::addGatherFunctions(TSampler sampler, const TString& typeName, in
     if (version < 140 && sampler.dim == EsdRect && sampler.type != EbtFloat)
         return;
 
-    for (int offset = 0; offset < 3; ++offset) { // loop over three forms of offset in the call name:  none, Offset, and Offsets
+#ifdef AMD_EXTENSIONS
+    for (int f16TexAddr = 0; f16TexAddr <= 1; ++f16TexAddr) { // loop over 16-bit floating-point texel addressing
 
-        for (int comp = 0; comp < 2; ++comp) { // loop over presence of comp argument
+        if (f16TexAddr && sampler.type != EbtFloat16)
+            continue;
+#endif
+        for (int offset = 0; offset < 3; ++offset) { // loop over three forms of offset in the call name:  none, Offset, and Offsets
 
-            if (comp > 0 && sampler.shadow)
+            for (int comp = 0; comp < 2; ++comp) { // loop over presence of comp argument
-                continue;
 
-            if (offset > 0 && sampler.dim == EsdCube)
+                if (comp > 0 && sampler.shadow)
-                continue;
-
-            for (int sparse = 0; sparse <= 1; ++sparse) { // loop over "bool" sparse or not
-                if (sparse && (profile == EEsProfile || version < 450))
                     continue;
 
-                TString s;
+                if (offset > 0 && sampler.dim == EsdCube)
+                    continue;
 
-                // return type
+                for (int sparse = 0; sparse <= 1; ++sparse) { // loop over "bool" sparse or not
-                if (sparse)
+                    if (sparse && (profile == EEsProfile || version < 450))
-                    s.append("int ");
+                        continue;
-                else {
+
-                    s.append(prefixes[sampler.type]);
+                    TString s;
-                    s.append("vec4 ");
+
+                    // return type
+                    if (sparse)
+                        s.append("int ");
+                    else {
+                        s.append(prefixes[sampler.type]);
+                        s.append("vec4 ");
+                    }
+
+                    // name
+                    if (sparse)
+                        s.append("sparseTextureGather");
+                    else
+                        s.append("textureGather");
+                    switch (offset) {
+                    case 1:
+                        s.append("Offset");
+                        break;
+                    case 2:
+                        s.append("Offsets");
+                    default:
+                        break;
+                    }
+                    if (sparse)
+                        s.append("ARB");
+                    s.append("(");
+
+                    // sampler type argument
+                    s.append(typeName);
+
+                    // P coordinate argument
+#ifdef AMD_EXTENSIONS
+                    if (f16TexAddr)
+                        s.append(",f16vec");
+                    else
+                        s.append(",vec");
+#else
+                    s.append(",vec");
+#endif
+                    int totalDims = dimMap[sampler.dim] + (sampler.arrayed ? 1 : 0);
+                    s.append(postfixes[totalDims]);
+
+                    // refZ argument
+                    if (sampler.shadow)
+                        s.append(",float");
+
+                    // offset argument
+                    if (offset > 0) {
+                        s.append(",ivec2");
+                        if (offset == 2)
+                            s.append("[4]");
+                    }
+
+                    // texel out (for sparse texture)
+                    if (sparse) {
+                        s.append(",out ");
+                        s.append(prefixes[sampler.type]);
+                        s.append("vec4 ");
+                    }
+
+                    // comp argument
+                    if (comp)
+                        s.append(",int");
+
+                    s.append(");\n");
+                    commonBuiltins.append(s);
+#ifdef AMD_EXTENSIONS
                 }
-
+#endif
-                // name
-                if (sparse)
-                    s.append("sparseTextureGather");
-                else
-                    s.append("textureGather");
-                switch (offset) {
-                case 1:
-                    s.append("Offset");
-                    break;
-                case 2:
-                    s.append("Offsets");
-                default:
-                    break;
-                }
-
-                if (sparse)
-                    s.append("ARB");
-                s.append("(");
-
-                // sampler type argument
-                s.append(typeName);
-
-                // P coordinate argument
-                s.append(",vec");
-                int totalDims = dimMap[sampler.dim] + (sampler.arrayed ? 1 : 0);
-                s.append(postfixes[totalDims]);
-
-                // refZ argument
-                if (sampler.shadow)
-                    s.append(",float");
-
-                // offset argument
-                if (offset > 0) {
-                    s.append(",ivec2");
-                    if (offset == 2)
-                        s.append("[4]");
-                }
-
-                // texel out (for sparse texture)
-                if (sparse) {
-                    s.append(",out ");
-                    s.append(prefixes[sampler.type]);
-                    s.append("vec4 ");
-                }
-
-                // comp argument
-                if (comp)
-                    s.append(",int");
-
-                s.append(");\n");
-                commonBuiltins.append(s);
             }
         }
     }
@@ -4738,95 +4877,112 @@ void TBuiltIns::addGatherFunctions(TSampler sampler, const TString& typeName, in
             if ((lod && bias) || (lod == 0 && bias == 0))
                 continue;
 
-            for (int offset = 0; offset < 3; ++offset) { // loop over three forms of offset in the call name:  none, Offset, and Offsets
+            for (int f16TexAddr = 0; f16TexAddr <= 1; ++f16TexAddr) { // loop over 16-bit floating-point texel addressing
 
-                for (int comp = 0; comp < 2; ++comp) { // loop over presence of comp argument
+                if (f16TexAddr && sampler.type != EbtFloat16)
+                    continue;
 
-                    if (comp == 0 && bias)
+                for (int offset = 0; offset < 3; ++offset) { // loop over three forms of offset in the call name:  none, Offset, and Offsets
-                        continue;
 
-                    if (offset > 0 && sampler.dim == EsdCube)
+                    for (int comp = 0; comp < 2; ++comp) { // loop over presence of comp argument
-                        continue;
 
-                    for (int sparse = 0; sparse <= 1; ++sparse) { // loop over "bool" sparse or not
+                        if (comp == 0 && bias)
-                        if (sparse && (profile == EEsProfile || version < 450))
                             continue;
 
-                        TString s;
+                        if (offset > 0 && sampler.dim == EsdCube)
+                            continue;
 
-                        // return type
+                        for (int sparse = 0; sparse <= 1; ++sparse) { // loop over "bool" sparse or not
-                        if (sparse)
+                            if (sparse && (profile == EEsProfile || version < 450))
-                            s.append("int ");
+                                continue;
-                        else {
+
-                            s.append(prefixes[sampler.type]);
+                            TString s;
-                            s.append("vec4 ");
+
+                            // return type
+                            if (sparse)
+                                s.append("int ");
+                            else {
+                                s.append(prefixes[sampler.type]);
+                                s.append("vec4 ");
+                            }
+
+                            // name
+                            if (sparse)
+                                s.append("sparseTextureGather");
+                            else
+                                s.append("textureGather");
+
+                            if (lod)
+                                s.append("Lod");
+
+                            switch (offset) {
+                            case 1:
+                                s.append("Offset");
+                                break;
+                            case 2:
+                                s.append("Offsets");
+                            default:
+                                break;
+                            }
+
+                            if (lod)
+                                s.append("AMD");
+                            else if (sparse)
+                                s.append("ARB");
+
+                            s.append("(");
+
+                            // sampler type argument
+                            s.append(typeName);
+
+                            // P coordinate argument
+                            if (f16TexAddr)
+                                s.append(",f16vec");
+                            else
+                                s.append(",vec");
+                            int totalDims = dimMap[sampler.dim] + (sampler.arrayed ? 1 : 0);
+                            s.append(postfixes[totalDims]);
+
+                            // lod argument
+                            if (lod) {
+                                if (f16TexAddr)
+                                    s.append(",float16_t");
+                                else
+                                    s.append(",float");
+                            }
+
+                            // offset argument
+                            if (offset > 0) {
+                                s.append(",ivec2");
+                                if (offset == 2)
+                                    s.append("[4]");
+                            }
+
+                            // texel out (for sparse texture)
+                            if (sparse) {
+                                s.append(",out ");
+                                s.append(prefixes[sampler.type]);
+                                s.append("vec4 ");
+                            }
+
+                            // comp argument
+                            if (comp)
+                                s.append(",int");
+
+                            // bias argument
+                            if (bias) {
+                                if (f16TexAddr)
+                                    s.append(",float16_t");
+                                else
+                                    s.append(",float");
+                            }
+
+                            s.append(");\n");
+                            if (bias)
+                                stageBuiltins[EShLangFragment].append(s);
+                            else
+                                commonBuiltins.append(s);
                         }
-
-                        // name
-                        if (sparse)
-                            s.append("sparseTextureGather");
-                        else
-                            s.append("textureGather");
-
-                        if (lod)
-                            s.append("Lod");
-
-                        switch (offset) {
-                        case 1:
-                            s.append("Offset");
-                            break;
-                        case 2:
-                            s.append("Offsets");
-                        default:
-                            break;
-                        }
-
-                        if (lod)
-                            s.append("AMD");
-                        else if (sparse)
-                            s.append("ARB");
-
-                        s.append("(");
-
-                        // sampler type argument
-                        s.append(typeName);
-
-                        // P coordinate argument
-                        s.append(",vec");
-                        int totalDims = dimMap[sampler.dim] + (sampler.arrayed ? 1 : 0);
-                        s.append(postfixes[totalDims]);
-
-                        // lod argument
-                        if (lod)
-                            s.append(",float");
-
-                        // offset argument
-                        if (offset > 0) {
-                            s.append(",ivec2");
-                            if (offset == 2)
-                                s.append("[4]");
-                        }
-
-                        // texel out (for sparse texture)
-                        if (sparse) {
-                            s.append(",out ");
-                            s.append(prefixes[sampler.type]);
-                            s.append("vec4 ");
-                        }
-
-                        // comp argument
-                        if (comp)
-                            s.append(",int");
-
-                        // bias argument
-                        if (bias)
-                            s.append(",float");
-
-                        s.append(");\n");
-                        if (bias)
-                            stageBuiltins[EShLangFragment].append(s);
-                        else
-                            commonBuiltins.append(s);
                     }
                 }
             }

glslang/MachineIndependent/ParseHelper.cpp

@@ -1520,6 +1520,12 @@ void TParseContext::builtInOpCheck(const TSourceLoc& loc, const TFunction& fnCan
         }
 
         if (arg > 0) {
+
+#ifdef AMD_EXTENSIONS
+            bool f16ShadowCompare = (*argp)[1]->getAsTyped()->getBasicType() == EbtFloat16 && arg0->getType().getSampler().shadow;
+            if (f16ShadowCompare)
+                ++arg;
+#endif
             if (! (*argp)[arg]->getAsConstantUnion())
                 error(loc, "argument must be compile-time constant", "texel offset", "");
             else {

glslang/MachineIndependent/Scan.cpp

@@ -579,6 +579,54 @@ void TScanContext::fillInKeywordMap()
     (*KeywordMap)["usubpassInput"] =           USUBPASSINPUT;
     (*KeywordMap)["usubpassInputMS"] =         USUBPASSINPUTMS;
 
+#ifdef AMD_EXTENSIONS
+    (*KeywordMap)["f16sampler1D"] =                 F16SAMPLER1D;
+    (*KeywordMap)["f16sampler2D"] =                 F16SAMPLER2D;
+    (*KeywordMap)["f16sampler3D"] =                 F16SAMPLER3D;
+    (*KeywordMap)["f16sampler2DRect"] =             F16SAMPLER2DRECT;
+    (*KeywordMap)["f16samplerCube"] =               F16SAMPLERCUBE;
+    (*KeywordMap)["f16sampler1DArray"] =            F16SAMPLER1DARRAY;
+    (*KeywordMap)["f16sampler2DArray"] =            F16SAMPLER2DARRAY;
+    (*KeywordMap)["f16samplerCubeArray"] =          F16SAMPLERCUBEARRAY;
+    (*KeywordMap)["f16samplerBuffer"] =             F16SAMPLERBUFFER;
+    (*KeywordMap)["f16sampler2DMS"] =               F16SAMPLER2DMS;
+    (*KeywordMap)["f16sampler2DMSArray"] =          F16SAMPLER2DMSARRAY;
+    (*KeywordMap)["f16sampler1DShadow"] =           F16SAMPLER1DSHADOW;
+    (*KeywordMap)["f16sampler2DShadow"] =           F16SAMPLER2DSHADOW;
+    (*KeywordMap)["f16sampler2DRectShadow"] =       F16SAMPLER2DRECTSHADOW;
+    (*KeywordMap)["f16samplerCubeShadow"] =         F16SAMPLERCUBESHADOW;
+    (*KeywordMap)["f16sampler1DArrayShadow"] =      F16SAMPLER1DARRAYSHADOW;
+    (*KeywordMap)["f16sampler2DArrayShadow"] =      F16SAMPLER2DARRAYSHADOW;
+    (*KeywordMap)["f16samplerCubeArrayShadow"] =    F16SAMPLERCUBEARRAYSHADOW;
+
+    (*KeywordMap)["f16image1D"] =                   F16IMAGE1D;
+    (*KeywordMap)["f16image2D"] =                   F16IMAGE2D;
+    (*KeywordMap)["f16image3D"] =                   F16IMAGE3D;
+    (*KeywordMap)["f16image2DRect"] =               F16IMAGE2DRECT;
+    (*KeywordMap)["f16imageCube"] =                 F16IMAGECUBE;
+    (*KeywordMap)["f16image1DArray"] =              F16IMAGE1DARRAY;
+    (*KeywordMap)["f16image2DArray"] =              F16IMAGE2DARRAY;
+    (*KeywordMap)["f16imageCubeArray"] =            F16IMAGECUBEARRAY;
+    (*KeywordMap)["f16imageBuffer"] =               F16IMAGEBUFFER;
+    (*KeywordMap)["f16image2DMS"] =                 F16IMAGE2DMS;
+    (*KeywordMap)["f16image2DMSArray"] =            F16IMAGE2DMSARRAY;
+
+    (*KeywordMap)["f16texture1D"] =                 F16TEXTURE1D;
+    (*KeywordMap)["f16texture2D"] =                 F16TEXTURE2D;
+    (*KeywordMap)["f16texture3D"] =                 F16TEXTURE3D;
+    (*KeywordMap)["f16texture2DRect"] =             F16TEXTURE2DRECT;
+    (*KeywordMap)["f16textureCube"] =               F16TEXTURECUBE;
+    (*KeywordMap)["f16texture1DArray"] =            F16TEXTURE1DARRAY;
+    (*KeywordMap)["f16texture2DArray"] =            F16TEXTURE2DARRAY;
+    (*KeywordMap)["f16textureCubeArray"] =          F16TEXTURECUBEARRAY;
+    (*KeywordMap)["f16textureBuffer"] =             F16TEXTUREBUFFER;
+    (*KeywordMap)["f16texture2DMS"] =               F16TEXTURE2DMS;
+    (*KeywordMap)["f16texture2DMSArray"] =          F16TEXTURE2DMSARRAY;
+
+    (*KeywordMap)["f16subpassInput"] =              F16SUBPASSINPUT;
+    (*KeywordMap)["f16subpassInputMS"] =            F16SUBPASSINPUTMS;
+#endif
+
     (*KeywordMap)["noperspective"] =           NOPERSPECTIVE;
     (*KeywordMap)["smooth"] =                  SMOOTH;
     (*KeywordMap)["flat"] =                    FLAT;
@@ -1029,6 +1077,7 @@ int TScanContext::tokenizeIdentifier()
             (parseContext.profile != EEsProfile && parseContext.version >= 450 &&
              parseContext.extensionTurnedOn(E_GL_AMD_gpu_shader_half_float)))
             return keyword;
+
         return identifierOrType();
 #endif
 
@@ -1211,6 +1260,60 @@ int TScanContext::tokenizeIdentifier()
         else
             return identifierOrType();
 
+#ifdef AMD_EXTENSIONS
+    case F16SAMPLER1D:
+    case F16SAMPLER2D:
+    case F16SAMPLER3D:
+    case F16SAMPLER2DRECT:
+    case F16SAMPLERCUBE:
+    case F16SAMPLER1DARRAY:
+    case F16SAMPLER2DARRAY:
+    case F16SAMPLERCUBEARRAY:
+    case F16SAMPLERBUFFER:
+    case F16SAMPLER2DMS:
+    case F16SAMPLER2DMSARRAY:
+    case F16SAMPLER1DSHADOW:
+    case F16SAMPLER2DSHADOW:
+    case F16SAMPLER1DARRAYSHADOW:
+    case F16SAMPLER2DARRAYSHADOW:
+    case F16SAMPLER2DRECTSHADOW:
+    case F16SAMPLERCUBESHADOW:
+    case F16SAMPLERCUBEARRAYSHADOW:
+
+    case F16IMAGE1D:
+    case F16IMAGE2D:
+    case F16IMAGE3D:
+    case F16IMAGE2DRECT:
+    case F16IMAGECUBE:
+    case F16IMAGE1DARRAY:
+    case F16IMAGE2DARRAY:
+    case F16IMAGECUBEARRAY:
+    case F16IMAGEBUFFER:
+    case F16IMAGE2DMS:
+    case F16IMAGE2DMSARRAY:
+
+    case F16TEXTURE1D:
+    case F16TEXTURE2D:
+    case F16TEXTURE3D:
+    case F16TEXTURE2DRECT:
+    case F16TEXTURECUBE:
+    case F16TEXTURE1DARRAY:
+    case F16TEXTURE2DARRAY:
+    case F16TEXTURECUBEARRAY:
+    case F16TEXTUREBUFFER:
+    case F16TEXTURE2DMS:
+    case F16TEXTURE2DMSARRAY:
+
+    case F16SUBPASSINPUT:
+    case F16SUBPASSINPUTMS:
+        afterType = true;
+        if (parseContext.symbolTable.atBuiltInLevel() ||
+            (parseContext.extensionTurnedOn(E_GL_AMD_gpu_shader_half_float_fetch) &&
+             parseContext.profile != EEsProfile && parseContext.version >= 450))
+            return keyword;
+        return identifierOrType();
+#endif
+
     case NOPERSPECTIVE:
         return es30ReservedFromGLSL(130);
 

glslang/MachineIndependent/SymbolTable.cpp

@@ -75,6 +75,9 @@ void TType::buildMangledName(TString& mangledName) const
     case EbtAtomicUint:         mangledName += "au";     break;
     case EbtSampler:
         switch (sampler.type) {
+#ifdef AMD_EXTENSIONS
+        case EbtFloat16: mangledName += "f16"; break;
+#endif
         case EbtInt:   mangledName += "i"; break;
         case EbtUint:  mangledName += "u"; break;
         default: break; // some compilers want this

glslang/MachineIndependent/Versions.cpp

@@ -204,6 +204,7 @@ void TParseVersions::initializeExtensionBehavior()
     extensionBehavior[E_GL_AMD_gpu_shader_int16]                     = EBhDisable;
     extensionBehavior[E_GL_AMD_shader_image_load_store_lod]          = EBhDisable;
     extensionBehavior[E_GL_AMD_shader_fragment_mask]                 = EBhDisable;
+    extensionBehavior[E_GL_AMD_gpu_shader_half_float_fetch]          = EBhDisable;
 #endif
 
 #ifdef NV_EXTENSIONS
@@ -341,6 +342,7 @@ void TParseVersions::getPreamble(std::string& preamble)
             "#define GL_AMD_gpu_shader_int16 1\n"
             "#define GL_AMD_shader_image_load_store_lod 1\n"
             "#define GL_AMD_shader_fragment_mask 1\n"
+            "#define GL_AMD_gpu_shader_half_float_fetch 1\n"
 #endif
 
 #ifdef NV_EXTENSIONS
@@ -749,7 +751,7 @@ void TParseVersions::doubleCheck(const TSourceLoc& loc, const char* op)
 void TParseVersions::int16Check(const TSourceLoc& loc, const char* op, bool builtIn)
 {
     if (! builtIn) {
-        requireExtensions(loc, 1, &E_GL_AMD_gpu_shader_int16, "shader int16");
+        requireExtensions(loc, 1, &E_GL_AMD_gpu_shader_int16, op);
         requireProfile(loc, ECoreProfile | ECompatibilityProfile, op);
         profileRequires(loc, ECoreProfile, 450, nullptr, op);
         profileRequires(loc, ECompatibilityProfile, 450, nullptr, op);
@@ -760,7 +762,18 @@ void TParseVersions::int16Check(const TSourceLoc& loc, const char* op, bool buil
 void TParseVersions::float16Check(const TSourceLoc& loc, const char* op, bool builtIn)
 {
     if (! builtIn) {
-        requireExtensions(loc, 1, &E_GL_AMD_gpu_shader_half_float, "shader half float");
+        requireExtensions(loc, 1, &E_GL_AMD_gpu_shader_half_float, op);
+        requireProfile(loc, ECoreProfile | ECompatibilityProfile, op);
+        profileRequires(loc, ECoreProfile, 450, nullptr, op);
+        profileRequires(loc, ECompatibilityProfile, 450, nullptr, op);
+    }
+}
+
+// Call for any operation needing GLSL float16 opaque-type support
+void TParseVersions::float16OpaqueCheck(const TSourceLoc& loc, const char* op, bool builtIn)
+{
+    if (! builtIn) {
+        requireExtensions(loc, 1, &E_GL_AMD_gpu_shader_half_float_fetch, op);
         requireProfile(loc, ECoreProfile | ECompatibilityProfile, op);
         profileRequires(loc, ECoreProfile, 450, nullptr, op);
         profileRequires(loc, ECompatibilityProfile, 450, nullptr, op);
@@ -772,7 +785,7 @@ void TParseVersions::float16Check(const TSourceLoc& loc, const char* op, bool bu
 void TParseVersions::int64Check(const TSourceLoc& loc, const char* op, bool builtIn)
 {
     if (! builtIn) {
-        requireExtensions(loc, 1, &E_GL_ARB_gpu_shader_int64, "shader int64");
+        requireExtensions(loc, 1, &E_GL_ARB_gpu_shader_int64, op);
         requireProfile(loc, ECoreProfile | ECompatibilityProfile, op);
         profileRequires(loc, ECoreProfile, 450, nullptr, op);
         profileRequires(loc, ECompatibilityProfile, 450, nullptr, op);

glslang/MachineIndependent/Versions.h

@@ -174,6 +174,7 @@ const char* const E_GL_AMD_texture_gather_bias_lod              = "GL_AMD_textur
 const char* const E_GL_AMD_gpu_shader_int16                     = "GL_AMD_gpu_shader_int16";
 const char* const E_GL_AMD_shader_image_load_store_lod          = "GL_AMD_shader_image_load_store_lod";
 const char* const E_GL_AMD_shader_fragment_mask                 = "GL_AMD_shader_fragment_mask";
+const char* const E_GL_AMD_gpu_shader_half_float_fetch          = "GL_AMD_gpu_shader_half_float_fetch";
 #endif
 
 #ifdef NV_EXTENSIONS

glslang/MachineIndependent/gl_types.h

@@ -117,6 +117,40 @@
 #define GL_SAMPLER_CUBE_MAP_ARRAY_ARB     0x900C
 #define GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW_ARB 0x900D
 
+#ifdef AMD_EXTENSIONS
+#define GL_FLOAT16_SAMPLER_1D_AMD                       0x91CE
+#define GL_FLOAT16_SAMPLER_2D_AMD                       0x91CF
+#define GL_FLOAT16_SAMPLER_3D_AMD                       0x91D0
+#define GL_FLOAT16_SAMPLER_CUBE_AMD                     0x91D1
+#define GL_FLOAT16_SAMPLER_2D_RECT_AMD                  0x91D2
+#define GL_FLOAT16_SAMPLER_1D_ARRAY_AMD                 0x91D3
+#define GL_FLOAT16_SAMPLER_2D_ARRAY_AMD                 0x91D4
+#define GL_FLOAT16_SAMPLER_CUBE_MAP_ARRAY_AMD           0x91D5
+#define GL_FLOAT16_SAMPLER_BUFFER_AMD                   0x91D6
+#define GL_FLOAT16_SAMPLER_2D_MULTISAMPLE_AMD           0x91D7
+#define GL_FLOAT16_SAMPLER_2D_MULTISAMPLE_ARRAY_AMD     0x91D8
+
+#define GL_FLOAT16_SAMPLER_1D_SHADOW_AMD                0x91D9
+#define GL_FLOAT16_SAMPLER_2D_SHADOW_AMD                0x91DA
+#define GL_FLOAT16_SAMPLER_2D_RECT_SHADOW_AMD           0x91DB
+#define GL_FLOAT16_SAMPLER_1D_ARRAY_SHADOW_AMD          0x91DC
+#define GL_FLOAT16_SAMPLER_2D_ARRAY_SHADOW_AMD          0x91DD
+#define GL_FLOAT16_SAMPLER_CUBE_SHADOW_AMD              0x91DE
+#define GL_FLOAT16_SAMPLER_CUBE_MAP_ARRAY_SHADOW_AMD    0x91DF
+
+#define GL_FLOAT16_IMAGE_1D_AMD                         0x91E0
+#define GL_FLOAT16_IMAGE_2D_AMD                         0x91E1
+#define GL_FLOAT16_IMAGE_3D_AMD                         0x91E2
+#define GL_FLOAT16_IMAGE_2D_RECT_AMD                    0x91E3
+#define GL_FLOAT16_IMAGE_CUBE_AMD                       0x91E4
+#define GL_FLOAT16_IMAGE_1D_ARRAY_AMD                   0x91E5
+#define GL_FLOAT16_IMAGE_2D_ARRAY_AMD                   0x91E6
+#define GL_FLOAT16_IMAGE_CUBE_MAP_ARRAY_AMD             0x91E7
+#define GL_FLOAT16_IMAGE_BUFFER_AMD                     0x91E8
+#define GL_FLOAT16_IMAGE_2D_MULTISAMPLE_AMD             0x91E9
+#define GL_FLOAT16_IMAGE_2D_MULTISAMPLE_ARRAY_AMD       0x91EA
+#endif
+
 #define GL_INT_SAMPLER_1D                 0x8DC9
 #define GL_INT_SAMPLER_2D                 0x8DCA
 #define GL_INT_SAMPLER_3D                 0x8DCB

glslang/MachineIndependent/glslang.y

@@ -159,6 +159,12 @@ extern int yylex(YYSTYPE*, TParseContext&);
 %token <lex> SAMPLER2DMSARRAY ISAMPLER2DMSARRAY USAMPLER2DMSARRAY
 %token <lex> SAMPLEREXTERNALOES
 
+%token <lex> F16SAMPLER1D F16SAMPLER2D F16SAMPLER3D F16SAMPLER2DRECT F16SAMPLERCUBE
+%token <lex> F16SAMPLER1DARRAY F16SAMPLER2DARRAY F16SAMPLERCUBEARRAY
+%token <lex> F16SAMPLERBUFFER F16SAMPLER2DMS F16SAMPLER2DMSARRAY
+%token <lex> F16SAMPLER1DSHADOW F16SAMPLER2DSHADOW F16SAMPLER1DARRAYSHADOW F16SAMPLER2DARRAYSHADOW
+%token <lex> F16SAMPLER2DRECTSHADOW F16SAMPLERCUBESHADOW F16SAMPLERCUBEARRAYSHADOW
+
 // pure sampler
 %token <lex> SAMPLER SAMPLERSHADOW
 
@@ -174,8 +180,13 @@ extern int yylex(YYSTYPE*, TParseContext&);
 %token <lex> TEXTURE2DMS ITEXTURE2DMS UTEXTURE2DMS
 %token <lex> TEXTURE2DMSARRAY ITEXTURE2DMSARRAY UTEXTURE2DMSARRAY
 
+%token <lex> F16TEXTURE1D F16TEXTURE2D F16TEXTURE3D F16TEXTURE2DRECT F16TEXTURECUBE
+%token <lex> F16TEXTURE1DARRAY F16TEXTURE2DARRAY F16TEXTURECUBEARRAY
+%token <lex> F16TEXTUREBUFFER F16TEXTURE2DMS F16TEXTURE2DMSARRAY
+
 // input attachments
 %token <lex> SUBPASSINPUT SUBPASSINPUTMS ISUBPASSINPUT ISUBPASSINPUTMS USUBPASSINPUT USUBPASSINPUTMS
+%token <lex> F16SUBPASSINPUT F16SUBPASSINPUTMS
 
 %token <lex> IMAGE1D IIMAGE1D UIMAGE1D IMAGE2D IIMAGE2D
 %token <lex> UIMAGE2D IMAGE3D IIMAGE3D UIMAGE3D
@@ -188,6 +199,10 @@ extern int yylex(YYSTYPE*, TParseContext&);
 %token <lex> IMAGE2DMS IIMAGE2DMS UIMAGE2DMS
 %token <lex> IMAGE2DMSARRAY IIMAGE2DMSARRAY UIMAGE2DMSARRAY
 
+%token <lex> F16IMAGE1D F16IMAGE2D F16IMAGE3D F16IMAGE2DRECT
+%token <lex> F16IMAGECUBE F16IMAGE1DARRAY F16IMAGE2DARRAY F16IMAGECUBEARRAY
+%token <lex> F16IMAGEBUFFER F16IMAGE2DMS F16IMAGE2DMSARRAY
+
 %token <lex> STRUCT VOID WHILE
 
 %token <lex> IDENTIFIER TYPE_NAME
@@ -1890,6 +1905,110 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.set(EbtFloat, EsdCube, true, true);
     }
+    | F16SAMPLER1D {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd1D);
+#endif
+    }
+    | F16SAMPLER2D {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd2D);
+#endif
+    }
+    | F16SAMPLER3D {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd3D);
+#endif
+    }
+    | F16SAMPLERCUBE {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, EsdCube);
+#endif
+    }
+    | F16SAMPLER1DSHADOW {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd1D, false, true);
+#endif
+    }
+    | F16SAMPLER2DSHADOW {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd2D, false, true);
+#endif
+    }
+    | F16SAMPLERCUBESHADOW {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, EsdCube, false, true);
+#endif
+    }
+    | F16SAMPLER1DARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd1D, true);
+#endif
+    }
+    | F16SAMPLER2DARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd2D, true);
+#endif
+    }
+    | F16SAMPLER1DARRAYSHADOW {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd1D, true, true);
+#endif
+    }
+    | F16SAMPLER2DARRAYSHADOW {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd2D, true, true);
+#endif
+    }
+    | F16SAMPLERCUBEARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, EsdCube, true);
+#endif
+    }
+    | F16SAMPLERCUBEARRAYSHADOW {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, EsdCube, true, true);
+#endif
+    }
     | ISAMPLER1D {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -1970,6 +2089,22 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.set(EbtFloat, EsdRect, false, true);
     }
+    | F16SAMPLER2DRECT {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, EsdRect);
+#endif
+    }
+    | F16SAMPLER2DRECTSHADOW {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, EsdRect, false, true);
+#endif
+    }
     | ISAMPLER2DRECT {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -1985,6 +2120,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.set(EbtFloat, EsdBuffer);
     }
+    | F16SAMPLERBUFFER {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, EsdBuffer);
+#endif
+    }
     | ISAMPLERBUFFER {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2000,6 +2143,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.set(EbtFloat, Esd2D, false, false, true);
     }
+    | F16SAMPLER2DMS {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd2D, false, false, true);
+#endif
+    }
     | ISAMPLER2DMS {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2015,6 +2166,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.set(EbtFloat, Esd2D, true, false, true);
     }
+    | F16SAMPLER2DMSARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float sampler", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.set(EbtFloat16, Esd2D, true, false, true);
+#endif
+    }
     | ISAMPLER2DMSARRAY {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2040,36 +2199,92 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, Esd1D);
     }
+    | F16TEXTURE1D {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, Esd1D);
+#endif
+    }
     | TEXTURE2D {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, Esd2D);
     }
+    | F16TEXTURE2D {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, Esd2D);
+#endif
+    }
     | TEXTURE3D {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, Esd3D);
     }
+    | F16TEXTURE3D {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, Esd3D);
+#endif
+    }
     | TEXTURECUBE {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, EsdCube);
     }
+    | F16TEXTURECUBE {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, EsdCube);
+#endif
+    }
     | TEXTURE1DARRAY {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, Esd1D, true);
     }
+    | F16TEXTURE1DARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, Esd1D, true);
+#endif
+    }
     | TEXTURE2DARRAY {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, Esd2D, true);
     }
+    | F16TEXTURE2DARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, Esd2D, true);
+#endif
+    }
     | TEXTURECUBEARRAY {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, EsdCube, true);
     }
+    | F16TEXTURECUBEARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, EsdCube, true);
+#endif
+    }
     | ITEXTURE1D {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2145,6 +2360,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, EsdRect);
     }
+    | F16TEXTURE2DRECT {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, EsdRect);
+#endif
+    }
     | ITEXTURE2DRECT {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2160,6 +2383,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, EsdBuffer);
     }
+    | F16TEXTUREBUFFER {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, EsdBuffer);
+#endif
+    }
     | ITEXTUREBUFFER {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2175,6 +2406,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, Esd2D, false, false, true);
     }
+    | F16TEXTURE2DMS {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, Esd2D, false, false, true);
+#endif
+    }
     | ITEXTURE2DMS {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2190,6 +2429,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setTexture(EbtFloat, Esd2D, true, false, true);
     }
+    | F16TEXTURE2DMSARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float texture", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setTexture(EbtFloat16, Esd2D, true, false, true);
+#endif
+    }
     | ITEXTURE2DMSARRAY {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2205,6 +2452,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, Esd1D);
     }
+    | F16IMAGE1D {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, Esd1D);
+#endif
+    }
     | IIMAGE1D {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2220,6 +2475,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, Esd2D);
     }
+    | F16IMAGE2D {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, Esd2D);
+#endif
+    }
     | IIMAGE2D {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2235,6 +2498,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, Esd3D);
     }
+    | F16IMAGE3D {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, Esd3D);
+#endif
+    }
     | IIMAGE3D {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2250,6 +2521,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, EsdRect);
     }
+    | F16IMAGE2DRECT {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, EsdRect);
+#endif
+    }
     | IIMAGE2DRECT {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2265,6 +2544,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, EsdCube);
     }
+    | F16IMAGECUBE {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, EsdCube);
+#endif
+    }
     | IIMAGECUBE {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2280,6 +2567,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, EsdBuffer);
     }
+    | F16IMAGEBUFFER {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, EsdBuffer);
+#endif
+    }
     | IIMAGEBUFFER {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2295,6 +2590,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, Esd1D, true);
     }
+    | F16IMAGE1DARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, Esd1D, true);
+#endif
+    }
     | IIMAGE1DARRAY {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2310,6 +2613,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, Esd2D, true);
     }
+    | F16IMAGE2DARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, Esd2D, true);
+#endif
+    }
     | IIMAGE2DARRAY {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2325,6 +2636,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, EsdCube, true);
     }
+    | F16IMAGECUBEARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, EsdCube, true);
+#endif
+    }
     | IIMAGECUBEARRAY {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2340,6 +2659,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, Esd2D, false, false, true);
     }
+    | F16IMAGE2DMS {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, Esd2D, false, false, true);
+#endif
+    }
     | IIMAGE2DMS {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2355,6 +2682,14 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setImage(EbtFloat, Esd2D, true, false, true);
     }
+    | F16IMAGE2DMSARRAY {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float image", parseContext.symbolTable.atBuiltInLevel());
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setImage(EbtFloat16, Esd2D, true, false, true);
+#endif
+    }
     | IIMAGE2DMSARRAY {
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
         $$.basicType = EbtSampler;
@@ -2383,6 +2718,24 @@ type_specifier_nonarray
         $$.basicType = EbtSampler;
         $$.sampler.setSubpass(EbtFloat, true);
     }
+    | F16SUBPASSINPUT {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float subpass input", parseContext.symbolTable.atBuiltInLevel());
+        parseContext.requireStage($1.loc, EShLangFragment, "subpass input");
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setSubpass(EbtFloat16);
+#endif
+    }
+    | F16SUBPASSINPUTMS {
+#ifdef AMD_EXTENSIONS
+        parseContext.float16OpaqueCheck($1.loc, "half float subpass input", parseContext.symbolTable.atBuiltInLevel());
+        parseContext.requireStage($1.loc, EShLangFragment, "subpass input");
+        $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());
+        $$.basicType = EbtSampler;
+        $$.sampler.setSubpass(EbtFloat16, true);
+#endif
+    }
     | ISUBPASSINPUT {
         parseContext.requireStage($1.loc, EShLangFragment, "subpass input");
         $$.init($1.loc, parseContext.symbolTable.atGlobalLevel());

glslang/MachineIndependent/glslang_tab.cpp.h

@@ -1,8 +1,8 @@
-/* A Bison parser, made by GNU Bison 3.0.  */
+/* A Bison parser, made by GNU Bison 3.0.4.  */
 
 /* Bison interface for Yacc-like parsers in C
 
-   Copyright (C) 1984, 1989-1990, 2000-2013 Free Software Foundation, Inc.
+   Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -30,8 +30,8 @@
    This special exception was added by the Free Software Foundation in
    version 2.2 of Bison.  */
 
-#ifndef YY_YY_MACHINEINDEPENDENT_GLSLANG_TAB_CPP_H_INCLUDED
+#ifndef YY_YY_GLSLANG_TAB_CPP_H_INCLUDED
-# define YY_YY_MACHINEINDEPENDENT_GLSLANG_TAB_CPP_H_INCLUDED
+# define YY_YY_GLSLANG_TAB_CPP_H_INCLUDED
 /* Debug traces.  */
 #ifndef YYDEBUG
 # define YYDEBUG 1
@@ -197,158 +197,200 @@ extern int yydebug;
     ISAMPLER2DMSARRAY = 407,
     USAMPLER2DMSARRAY = 408,
     SAMPLEREXTERNALOES = 409,
-    SAMPLER = 410,
+    F16SAMPLER1D = 410,
-    SAMPLERSHADOW = 411,
+    F16SAMPLER2D = 411,
-    TEXTURE1D = 412,
+    F16SAMPLER3D = 412,
-    TEXTURE2D = 413,
+    F16SAMPLER2DRECT = 413,
-    TEXTURE3D = 414,
+    F16SAMPLERCUBE = 414,
-    TEXTURECUBE = 415,
+    F16SAMPLER1DARRAY = 415,
-    TEXTURE1DARRAY = 416,
+    F16SAMPLER2DARRAY = 416,
-    TEXTURE2DARRAY = 417,
+    F16SAMPLERCUBEARRAY = 417,
-    ITEXTURE1D = 418,
+    F16SAMPLERBUFFER = 418,
-    ITEXTURE2D = 419,
+    F16SAMPLER2DMS = 419,
-    ITEXTURE3D = 420,
+    F16SAMPLER2DMSARRAY = 420,
-    ITEXTURECUBE = 421,
+    F16SAMPLER1DSHADOW = 421,
-    ITEXTURE1DARRAY = 422,
+    F16SAMPLER2DSHADOW = 422,
-    ITEXTURE2DARRAY = 423,
+    F16SAMPLER1DARRAYSHADOW = 423,
-    UTEXTURE1D = 424,
+    F16SAMPLER2DARRAYSHADOW = 424,
-    UTEXTURE2D = 425,
+    F16SAMPLER2DRECTSHADOW = 425,
-    UTEXTURE3D = 426,
+    F16SAMPLERCUBESHADOW = 426,
-    UTEXTURECUBE = 427,
+    F16SAMPLERCUBEARRAYSHADOW = 427,
-    UTEXTURE1DARRAY = 428,
+    SAMPLER = 428,
-    UTEXTURE2DARRAY = 429,
+    SAMPLERSHADOW = 429,
-    TEXTURE2DRECT = 430,
+    TEXTURE1D = 430,
-    ITEXTURE2DRECT = 431,
+    TEXTURE2D = 431,
-    UTEXTURE2DRECT = 432,
+    TEXTURE3D = 432,
-    TEXTUREBUFFER = 433,
+    TEXTURECUBE = 433,
-    ITEXTUREBUFFER = 434,
+    TEXTURE1DARRAY = 434,
-    UTEXTUREBUFFER = 435,
+    TEXTURE2DARRAY = 435,
-    TEXTURECUBEARRAY = 436,
+    ITEXTURE1D = 436,
-    ITEXTURECUBEARRAY = 437,
+    ITEXTURE2D = 437,
-    UTEXTURECUBEARRAY = 438,
+    ITEXTURE3D = 438,
-    TEXTURE2DMS = 439,
+    ITEXTURECUBE = 439,
-    ITEXTURE2DMS = 440,
+    ITEXTURE1DARRAY = 440,
-    UTEXTURE2DMS = 441,
+    ITEXTURE2DARRAY = 441,
-    TEXTURE2DMSARRAY = 442,
+    UTEXTURE1D = 442,
-    ITEXTURE2DMSARRAY = 443,
+    UTEXTURE2D = 443,
-    UTEXTURE2DMSARRAY = 444,
+    UTEXTURE3D = 444,
-    SUBPASSINPUT = 445,
+    UTEXTURECUBE = 445,
-    SUBPASSINPUTMS = 446,
+    UTEXTURE1DARRAY = 446,
-    ISUBPASSINPUT = 447,
+    UTEXTURE2DARRAY = 447,
-    ISUBPASSINPUTMS = 448,
+    TEXTURE2DRECT = 448,
-    USUBPASSINPUT = 449,
+    ITEXTURE2DRECT = 449,
-    USUBPASSINPUTMS = 450,
+    UTEXTURE2DRECT = 450,
-    IMAGE1D = 451,
+    TEXTUREBUFFER = 451,
-    IIMAGE1D = 452,
+    ITEXTUREBUFFER = 452,
-    UIMAGE1D = 453,
+    UTEXTUREBUFFER = 453,
-    IMAGE2D = 454,
+    TEXTURECUBEARRAY = 454,
-    IIMAGE2D = 455,
+    ITEXTURECUBEARRAY = 455,
-    UIMAGE2D = 456,
+    UTEXTURECUBEARRAY = 456,
-    IMAGE3D = 457,
+    TEXTURE2DMS = 457,
-    IIMAGE3D = 458,
+    ITEXTURE2DMS = 458,
-    UIMAGE3D = 459,
+    UTEXTURE2DMS = 459,
-    IMAGE2DRECT = 460,
+    TEXTURE2DMSARRAY = 460,
-    IIMAGE2DRECT = 461,
+    ITEXTURE2DMSARRAY = 461,
-    UIMAGE2DRECT = 462,
+    UTEXTURE2DMSARRAY = 462,
-    IMAGECUBE = 463,
+    F16TEXTURE1D = 463,
-    IIMAGECUBE = 464,
+    F16TEXTURE2D = 464,
-    UIMAGECUBE = 465,
+    F16TEXTURE3D = 465,
-    IMAGEBUFFER = 466,
+    F16TEXTURE2DRECT = 466,
-    IIMAGEBUFFER = 467,
+    F16TEXTURECUBE = 467,
-    UIMAGEBUFFER = 468,
+    F16TEXTURE1DARRAY = 468,
-    IMAGE1DARRAY = 469,
+    F16TEXTURE2DARRAY = 469,
-    IIMAGE1DARRAY = 470,
+    F16TEXTURECUBEARRAY = 470,
-    UIMAGE1DARRAY = 471,
+    F16TEXTUREBUFFER = 471,
-    IMAGE2DARRAY = 472,
+    F16TEXTURE2DMS = 472,
-    IIMAGE2DARRAY = 473,
+    F16TEXTURE2DMSARRAY = 473,
-    UIMAGE2DARRAY = 474,
+    SUBPASSINPUT = 474,
-    IMAGECUBEARRAY = 475,
+    SUBPASSINPUTMS = 475,
-    IIMAGECUBEARRAY = 476,
+    ISUBPASSINPUT = 476,
-    UIMAGECUBEARRAY = 477,
+    ISUBPASSINPUTMS = 477,
-    IMAGE2DMS = 478,
+    USUBPASSINPUT = 478,
-    IIMAGE2DMS = 479,
+    USUBPASSINPUTMS = 479,
-    UIMAGE2DMS = 480,
+    F16SUBPASSINPUT = 480,
-    IMAGE2DMSARRAY = 481,
+    F16SUBPASSINPUTMS = 481,
-    IIMAGE2DMSARRAY = 482,
+    IMAGE1D = 482,
-    UIMAGE2DMSARRAY = 483,
+    IIMAGE1D = 483,
-    STRUCT = 484,
+    UIMAGE1D = 484,
-    VOID = 485,
+    IMAGE2D = 485,
-    WHILE = 486,
+    IIMAGE2D = 486,
-    IDENTIFIER = 487,
+    UIMAGE2D = 487,
-    TYPE_NAME = 488,
+    IMAGE3D = 488,
-    FLOATCONSTANT = 489,
+    IIMAGE3D = 489,
-    DOUBLECONSTANT = 490,
+    UIMAGE3D = 490,
-    INTCONSTANT = 491,
+    IMAGE2DRECT = 491,
-    UINTCONSTANT = 492,
+    IIMAGE2DRECT = 492,
-    INT64CONSTANT = 493,
+    UIMAGE2DRECT = 493,
-    UINT64CONSTANT = 494,
+    IMAGECUBE = 494,
-    INT16CONSTANT = 495,
+    IIMAGECUBE = 495,
-    UINT16CONSTANT = 496,
+    UIMAGECUBE = 496,
-    BOOLCONSTANT = 497,
+    IMAGEBUFFER = 497,
-    FLOAT16CONSTANT = 498,
+    IIMAGEBUFFER = 498,
-    LEFT_OP = 499,
+    UIMAGEBUFFER = 499,
-    RIGHT_OP = 500,
+    IMAGE1DARRAY = 500,
-    INC_OP = 501,
+    IIMAGE1DARRAY = 501,
-    DEC_OP = 502,
+    UIMAGE1DARRAY = 502,
-    LE_OP = 503,
+    IMAGE2DARRAY = 503,
-    GE_OP = 504,
+    IIMAGE2DARRAY = 504,
-    EQ_OP = 505,
+    UIMAGE2DARRAY = 505,
-    NE_OP = 506,
+    IMAGECUBEARRAY = 506,
-    AND_OP = 507,
+    IIMAGECUBEARRAY = 507,
-    OR_OP = 508,
+    UIMAGECUBEARRAY = 508,
-    XOR_OP = 509,
+    IMAGE2DMS = 509,
-    MUL_ASSIGN = 510,
+    IIMAGE2DMS = 510,
-    DIV_ASSIGN = 511,
+    UIMAGE2DMS = 511,
-    ADD_ASSIGN = 512,
+    IMAGE2DMSARRAY = 512,
-    MOD_ASSIGN = 513,
+    IIMAGE2DMSARRAY = 513,
-    LEFT_ASSIGN = 514,
+    UIMAGE2DMSARRAY = 514,
-    RIGHT_ASSIGN = 515,
+    F16IMAGE1D = 515,
-    AND_ASSIGN = 516,
+    F16IMAGE2D = 516,
-    XOR_ASSIGN = 517,
+    F16IMAGE3D = 517,
-    OR_ASSIGN = 518,
+    F16IMAGE2DRECT = 518,
-    SUB_ASSIGN = 519,
+    F16IMAGECUBE = 519,
-    LEFT_PAREN = 520,
+    F16IMAGE1DARRAY = 520,
-    RIGHT_PAREN = 521,
+    F16IMAGE2DARRAY = 521,
-    LEFT_BRACKET = 522,
+    F16IMAGECUBEARRAY = 522,
-    RIGHT_BRACKET = 523,
+    F16IMAGEBUFFER = 523,
-    LEFT_BRACE = 524,
+    F16IMAGE2DMS = 524,
-    RIGHT_BRACE = 525,
+    F16IMAGE2DMSARRAY = 525,
-    DOT = 526,
+    STRUCT = 526,
-    COMMA = 527,
+    VOID = 527,
-    COLON = 528,
+    WHILE = 528,
-    EQUAL = 529,
+    IDENTIFIER = 529,
-    SEMICOLON = 530,
+    TYPE_NAME = 530,
-    BANG = 531,
+    FLOATCONSTANT = 531,
-    DASH = 532,
+    DOUBLECONSTANT = 532,
-    TILDE = 533,
+    INTCONSTANT = 533,
-    PLUS = 534,
+    UINTCONSTANT = 534,
-    STAR = 535,
+    INT64CONSTANT = 535,
-    SLASH = 536,
+    UINT64CONSTANT = 536,
-    PERCENT = 537,
+    INT16CONSTANT = 537,
-    LEFT_ANGLE = 538,
+    UINT16CONSTANT = 538,
-    RIGHT_ANGLE = 539,
+    BOOLCONSTANT = 539,
-    VERTICAL_BAR = 540,
+    FLOAT16CONSTANT = 540,
-    CARET = 541,
+    LEFT_OP = 541,
-    AMPERSAND = 542,
+    RIGHT_OP = 542,
-    QUESTION = 543,
+    INC_OP = 543,
-    INVARIANT = 544,
+    DEC_OP = 544,
-    PRECISE = 545,
+    LE_OP = 545,
-    HIGH_PRECISION = 546,
+    GE_OP = 546,
-    MEDIUM_PRECISION = 547,
+    EQ_OP = 547,
-    LOW_PRECISION = 548,
+    NE_OP = 548,
-    PRECISION = 549,
+    AND_OP = 549,
-    PACKED = 550,
+    OR_OP = 550,
-    RESOURCE = 551,
+    XOR_OP = 551,
-    SUPERP = 552
+    MUL_ASSIGN = 552,
+    DIV_ASSIGN = 553,
+    ADD_ASSIGN = 554,
+    MOD_ASSIGN = 555,
+    LEFT_ASSIGN = 556,
+    RIGHT_ASSIGN = 557,
+    AND_ASSIGN = 558,
+    XOR_ASSIGN = 559,
+    OR_ASSIGN = 560,
+    SUB_ASSIGN = 561,
+    LEFT_PAREN = 562,
+    RIGHT_PAREN = 563,
+    LEFT_BRACKET = 564,
+    RIGHT_BRACKET = 565,
+    LEFT_BRACE = 566,
+    RIGHT_BRACE = 567,
+    DOT = 568,
+    COMMA = 569,
+    COLON = 570,
+    EQUAL = 571,
+    SEMICOLON = 572,
+    BANG = 573,
+    DASH = 574,
+    TILDE = 575,
+    PLUS = 576,
+    STAR = 577,
+    SLASH = 578,
+    PERCENT = 579,
+    LEFT_ANGLE = 580,
+    RIGHT_ANGLE = 581,
+    VERTICAL_BAR = 582,
+    CARET = 583,
+    AMPERSAND = 584,
+    QUESTION = 585,
+    INVARIANT = 586,
+    PRECISE = 587,
+    HIGH_PRECISION = 588,
+    MEDIUM_PRECISION = 589,
+    LOW_PRECISION = 590,
+    PRECISION = 591,
+    PACKED = 592,
+    RESOURCE = 593,
+    SUPERP = 594
   };
 #endif
 
 /* Value type.  */
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
-typedef union YYSTYPE YYSTYPE;
+
 union YYSTYPE
 {
-#line 69 "MachineIndependent/glslang.y" /* yacc.c:1909  */
+#line 69 "glslang.y" /* yacc.c:1909  */
 
     struct {
         glslang::TSourceLoc loc;
@@ -383,8 +425,10 @@ union YYSTYPE
         };
     } interm;
 
-#line 387 "MachineIndependent/glslang_tab.cpp.h" /* yacc.c:1909  */
+#line 429 "glslang_tab.cpp.h" /* yacc.c:1909  */
 };
+
+typedef union YYSTYPE YYSTYPE;
 # define YYSTYPE_IS_TRIVIAL 1
 # define YYSTYPE_IS_DECLARED 1
 #endif
@@ -393,4 +437,4 @@ union YYSTYPE
 
 int yyparse (glslang::TParseContext* pParseContext);
 
-#endif /* !YY_YY_MACHINEINDEPENDENT_GLSLANG_TAB_CPP_H_INCLUDED  */
+#endif /* !YY_YY_GLSLANG_TAB_CPP_H_INCLUDED  */

glslang/MachineIndependent/parseVersions.h

@@ -80,6 +80,7 @@ public:
 #ifdef AMD_EXTENSIONS
     virtual void int16Check(const TSourceLoc& loc, const char* op, bool builtIn = false);
     virtual void float16Check(const TSourceLoc&, const char* op, bool builtIn = false);
+    virtual void float16OpaqueCheck(const TSourceLoc&, const char* op, bool builtIn = false);
 #endif
     virtual void int64Check(const TSourceLoc&, const char* op, bool builtIn = false);
     virtual void spvRemoved(const TSourceLoc&, const char* op);

glslang/MachineIndependent/reflection.cpp

@@ -415,6 +415,36 @@ public:
                 case EsdBuffer:
                     return GL_SAMPLER_BUFFER;
                 }
+#ifdef AMD_EXTENSIONS
+            case EbtFloat16:
+                switch ((int)sampler.dim) {
+                case Esd1D:
+                    switch ((int)sampler.shadow) {
+                    case false: return sampler.arrayed ? GL_FLOAT16_SAMPLER_1D_ARRAY_AMD : GL_FLOAT16_SAMPLER_1D_AMD;
+                    case true:  return sampler.arrayed ? GL_FLOAT16_SAMPLER_1D_ARRAY_SHADOW_AMD : GL_FLOAT16_SAMPLER_1D_SHADOW_AMD;
+                    }
+                case Esd2D:
+                    switch ((int)sampler.ms) {
+                    case false:
+                        switch ((int)sampler.shadow) {
+                        case false: return sampler.arrayed ? GL_FLOAT16_SAMPLER_2D_ARRAY_AMD : GL_FLOAT16_SAMPLER_2D_AMD;
+                        case true:  return sampler.arrayed ? GL_FLOAT16_SAMPLER_2D_ARRAY_SHADOW_AMD : GL_FLOAT16_SAMPLER_2D_SHADOW_AMD;
+                        }
+                    case true:      return sampler.arrayed ? GL_FLOAT16_SAMPLER_2D_MULTISAMPLE_ARRAY_AMD : GL_FLOAT16_SAMPLER_2D_MULTISAMPLE_AMD;
+                    }
+                case Esd3D:
+                    return GL_FLOAT16_SAMPLER_3D_AMD;
+                case EsdCube:
+                    switch ((int)sampler.shadow) {
+                    case false: return sampler.arrayed ? GL_FLOAT16_SAMPLER_CUBE_MAP_ARRAY_AMD : GL_FLOAT16_SAMPLER_CUBE_AMD;
+                    case true:  return sampler.arrayed ? GL_FLOAT16_SAMPLER_CUBE_MAP_ARRAY_SHADOW_AMD : GL_FLOAT16_SAMPLER_CUBE_SHADOW_AMD;
+                    }
+                case EsdRect:
+                    return sampler.shadow ? GL_FLOAT16_SAMPLER_2D_RECT_SHADOW_AMD : GL_FLOAT16_SAMPLER_2D_RECT_AMD;
+                case EsdBuffer:
+                    return GL_FLOAT16_SAMPLER_BUFFER_AMD;
+                }
+#endif
             case EbtInt:
                 switch ((int)sampler.dim) {
                 case Esd1D:
@@ -477,6 +507,26 @@ public:
                 case EsdBuffer:
                     return GL_IMAGE_BUFFER;
                 }
+#ifdef AMD_EXTENSIONS
+            case EbtFloat16:
+                switch ((int)sampler.dim) {
+                case Esd1D:
+                    return sampler.arrayed ? GL_FLOAT16_IMAGE_1D_ARRAY_AMD : GL_FLOAT16_IMAGE_1D_AMD;
+                case Esd2D:
+                    switch ((int)sampler.ms) {
+                    case false:     return sampler.arrayed ? GL_FLOAT16_IMAGE_2D_ARRAY_AMD : GL_FLOAT16_IMAGE_2D_AMD;
+                    case true:      return sampler.arrayed ? GL_FLOAT16_IMAGE_2D_MULTISAMPLE_ARRAY_AMD : GL_FLOAT16_IMAGE_2D_MULTISAMPLE_AMD;
+                    }
+                case Esd3D:
+                    return GL_FLOAT16_IMAGE_3D_AMD;
+                case EsdCube:
+                    return sampler.arrayed ? GL_FLOAT16_IMAGE_CUBE_MAP_ARRAY_AMD : GL_FLOAT16_IMAGE_CUBE_AMD;
+                case EsdRect:
+                    return GL_FLOAT16_IMAGE_2D_RECT_AMD;
+                case EsdBuffer:
+                    return GL_FLOAT16_IMAGE_BUFFER_AMD;
+                }
+#endif
             case EbtInt:
                 switch ((int)sampler.dim) {
                 case Esd1D:

gtests/Spv.FromFile.cpp

@@ -419,6 +419,7 @@ INSTANTIATE_TEST_CASE_P(
     Glsl, CompileVulkanToSpirvTestAMD,
     ::testing::ValuesIn(std::vector<std::string>({
         "spv.float16.frag",
+        "spv.float16Fetch.frag",
         "spv.imageLoadStoreLod.frag",
         "spv.int16.frag",
         "spv.shaderBallotAMD.comp",