Add m-esr52 at 52.6.0

1 files changed, 414 insertions, 0 deletions

diff --git a/gfx/angle/src/compiler/translator/UtilsHLSL.cpp b/gfx/angle/src/compiler/translator/UtilsHLSL.cpp
new file mode 100755
index 000000000..221d5d9b5
--- /dev/null
+++ b/gfx/angle/src/compiler/translator/UtilsHLSL.cpp
@@ -0,0 +1,414 @@
+//
+// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// UtilsHLSL.cpp:
+//   Utility methods for GLSL to HLSL translation.
+//
+
+#include "compiler/translator/UtilsHLSL.h"
+#include "compiler/translator/IntermNode.h"
+#include "compiler/translator/StructureHLSL.h"
+#include "compiler/translator/SymbolTable.h"
+
+namespace sh
+{
+
+TString SamplerString(const TBasicType type)
+{
+    if (IsShadowSampler(type))
+    {
+        return "SamplerComparisonState";
+    }
+    else
+    {
+        return "SamplerState";
+    }
+}
+
+TString SamplerString(HLSLTextureSamplerGroup type)
+{
+    if (type >= HLSL_COMPARISON_SAMPLER_GROUP_BEGIN && type <= HLSL_COMPARISON_SAMPLER_GROUP_END)
+    {
+        return "SamplerComparisonState";
+    }
+    else
+    {
+        return "SamplerState";
+    }
+}
+
+HLSLTextureSamplerGroup TextureGroup(const TBasicType type)
+{
+    switch (type)
+    {
+        case EbtSampler2D:
+            return HLSL_TEXTURE_2D;
+        case EbtSamplerCube:
+            return HLSL_TEXTURE_CUBE;
+        case EbtSamplerExternalOES:
+            return HLSL_TEXTURE_2D;
+        case EbtSampler2DArray:
+            return HLSL_TEXTURE_2D_ARRAY;
+        case EbtSampler3D:
+            return HLSL_TEXTURE_3D;
+        case EbtISampler2D:
+            return HLSL_TEXTURE_2D_INT4;
+        case EbtISampler3D:
+            return HLSL_TEXTURE_3D_INT4;
+        case EbtISamplerCube:
+            return HLSL_TEXTURE_2D_ARRAY_INT4;
+        case EbtISampler2DArray:
+            return HLSL_TEXTURE_2D_ARRAY_INT4;
+        case EbtUSampler2D:
+            return HLSL_TEXTURE_2D_UINT4;
+        case EbtUSampler3D:
+            return HLSL_TEXTURE_3D_UINT4;
+        case EbtUSamplerCube:
+            return HLSL_TEXTURE_2D_ARRAY_UINT4;
+        case EbtUSampler2DArray:
+            return HLSL_TEXTURE_2D_ARRAY_UINT4;
+        case EbtSampler2DShadow:
+            return HLSL_TEXTURE_2D_COMPARISON;
+        case EbtSamplerCubeShadow:
+            return HLSL_TEXTURE_CUBE_COMPARISON;
+        case EbtSampler2DArrayShadow:
+            return HLSL_TEXTURE_2D_ARRAY_COMPARISON;
+        default:
+            UNREACHABLE();
+    }
+    return HLSL_TEXTURE_UNKNOWN;
+}
+
+TString TextureString(const HLSLTextureSamplerGroup type)
+{
+    switch (type)
+    {
+        case HLSL_TEXTURE_2D:
+            return "Texture2D";
+        case HLSL_TEXTURE_CUBE:
+            return "TextureCube";
+        case HLSL_TEXTURE_2D_ARRAY:
+            return "Texture2DArray";
+        case HLSL_TEXTURE_3D:
+            return "Texture3D";
+        case HLSL_TEXTURE_2D_INT4:
+            return "Texture2D<int4>";
+        case HLSL_TEXTURE_3D_INT4:
+            return "Texture3D<int4>";
+        case HLSL_TEXTURE_2D_ARRAY_INT4:
+            return "Texture2DArray<int4>";
+        case HLSL_TEXTURE_2D_UINT4:
+            return "Texture2D<uint4>";
+        case HLSL_TEXTURE_3D_UINT4:
+            return "Texture3D<uint4>";
+        case HLSL_TEXTURE_2D_ARRAY_UINT4:
+            return "Texture2DArray<uint4>";
+        case HLSL_TEXTURE_2D_COMPARISON:
+            return "Texture2D";
+        case HLSL_TEXTURE_CUBE_COMPARISON:
+            return "TextureCube";
+        case HLSL_TEXTURE_2D_ARRAY_COMPARISON:
+            return "Texture2DArray";
+        default:
+            UNREACHABLE();
+    }
+
+    return "<unknown texture type>";
+}
+
+TString TextureString(const TBasicType type)
+{
+    return TextureString(TextureGroup(type));
+}
+
+TString TextureGroupSuffix(const HLSLTextureSamplerGroup type)
+{
+    switch (type)
+    {
+        case HLSL_TEXTURE_2D:
+            return "2D";
+        case HLSL_TEXTURE_CUBE:
+            return "Cube";
+        case HLSL_TEXTURE_2D_ARRAY:
+            return "2DArray";
+        case HLSL_TEXTURE_3D:
+            return "3D";
+        case HLSL_TEXTURE_2D_INT4:
+            return "2D_int4_";
+        case HLSL_TEXTURE_3D_INT4:
+            return "3D_int4_";
+        case HLSL_TEXTURE_2D_ARRAY_INT4:
+            return "2DArray_int4_";
+        case HLSL_TEXTURE_2D_UINT4:
+            return "2D_uint4_";
+        case HLSL_TEXTURE_3D_UINT4:
+            return "3D_uint4_";
+        case HLSL_TEXTURE_2D_ARRAY_UINT4:
+            return "2DArray_uint4_";
+        case HLSL_TEXTURE_2D_COMPARISON:
+            return "2D_comparison";
+        case HLSL_TEXTURE_CUBE_COMPARISON:
+            return "Cube_comparison";
+        case HLSL_TEXTURE_2D_ARRAY_COMPARISON:
+            return "2DArray_comparison";
+        default:
+            UNREACHABLE();
+    }
+
+    return "<unknown texture type>";
+}
+
+TString TextureGroupSuffix(const TBasicType type)
+{
+    return TextureGroupSuffix(TextureGroup(type));
+}
+
+TString TextureTypeSuffix(const TBasicType type)
+{
+    switch (type)
+    {
+        case EbtISamplerCube:
+            return "Cube_int4_";
+        case EbtUSamplerCube:
+            return "Cube_uint4_";
+        case EbtSamplerExternalOES:
+            return "_External";
+        default:
+            // All other types are identified by their group suffix
+            return TextureGroupSuffix(type);
+    }
+}
+
+TString DecorateUniform(const TName &name, const TType &type)
+{
+    return DecorateIfNeeded(name);
+}
+
+TString DecorateField(const TString &string, const TStructure &structure)
+{
+    if (structure.name().compare(0, 3, "gl_") != 0)
+    {
+        return Decorate(string);
+    }
+
+    return string;
+}
+
+TString DecoratePrivate(const TString &privateText)
+{
+    return "dx_" + privateText;
+}
+
+TString Decorate(const TString &string)
+{
+    if (string.compare(0, 3, "gl_") != 0)
+    {
+        return "_" + string;
+    }
+
+    return string;
+}
+
+TString DecorateIfNeeded(const TName &name)
+{
+    if (name.isInternal())
+    {
+        return name.getString();
+    }
+    else
+    {
+        return Decorate(name.getString());
+    }
+}
+
+TString DecorateFunctionIfNeeded(const TName &name)
+{
+    if (name.isInternal())
+    {
+        return TFunction::unmangleName(name.getString());
+    }
+    else
+    {
+        return Decorate(TFunction::unmangleName(name.getString()));
+    }
+}
+
+TString TypeString(const TType &type)
+{
+    const TStructure* structure = type.getStruct();
+    if (structure)
+    {
+        const TString& typeName = structure->name();
+        if (typeName != "")
+        {
+            return StructNameString(*structure);
+        }
+        else   // Nameless structure, define in place
+        {
+            return StructureHLSL::defineNameless(*structure);
+        }
+    }
+    else if (type.isMatrix())
+    {
+        int cols = type.getCols();
+        int rows = type.getRows();
+        return "float" + str(cols) + "x" + str(rows);
+    }
+    else
+    {
+        switch (type.getBasicType())
+        {
+          case EbtFloat:
+            switch (type.getNominalSize())
+            {
+              case 1: return "float";
+              case 2: return "float2";
+              case 3: return "float3";
+              case 4: return "float4";
+            }
+          case EbtInt:
+            switch (type.getNominalSize())
+            {
+              case 1: return "int";
+              case 2: return "int2";
+              case 3: return "int3";
+              case 4: return "int4";
+            }
+          case EbtUInt:
+            switch (type.getNominalSize())
+            {
+              case 1: return "uint";
+              case 2: return "uint2";
+              case 3: return "uint3";
+              case 4: return "uint4";
+            }
+          case EbtBool:
+            switch (type.getNominalSize())
+            {
+              case 1: return "bool";
+              case 2: return "bool2";
+              case 3: return "bool3";
+              case 4: return "bool4";
+            }
+          case EbtVoid:
+            return "void";
+          case EbtSampler2D:
+          case EbtISampler2D:
+          case EbtUSampler2D:
+          case EbtSampler2DArray:
+          case EbtISampler2DArray:
+          case EbtUSampler2DArray:
+            return "sampler2D";
+          case EbtSamplerCube:
+          case EbtISamplerCube:
+          case EbtUSamplerCube:
+            return "samplerCUBE";
+          case EbtSamplerExternalOES:
+            return "sampler2D";
+          default:
+            break;
+        }
+    }
+
+    UNREACHABLE();
+    return "<unknown type>";
+}
+
+TString StructNameString(const TStructure &structure)
+{
+    if (structure.name().empty())
+    {
+        return "";
+    }
+
+    // For structures at global scope we use a consistent
+    // translation so that we can link between shader stages.
+    if (structure.atGlobalScope())
+    {
+        return Decorate(structure.name());
+    }
+
+    return "ss" + str(structure.uniqueId()) + "_" + structure.name();
+}
+
+TString QualifiedStructNameString(const TStructure &structure, bool useHLSLRowMajorPacking,
+                                  bool useStd140Packing)
+{
+    if (structure.name() == "")
+    {
+        return "";
+    }
+
+    TString prefix = "";
+
+    // Structs packed with row-major matrices in HLSL are prefixed with "rm"
+    // GLSL column-major maps to HLSL row-major, and the converse is true
+
+    if (useStd140Packing)
+    {
+        prefix += "std_";
+    }
+
+    if (useHLSLRowMajorPacking)
+    {
+        prefix += "rm_";
+    }
+
+    return prefix + StructNameString(structure);
+}
+
+TString InterpolationString(TQualifier qualifier)
+{
+    switch (qualifier)
+    {
+      case EvqVaryingIn:           return "";
+      case EvqFragmentIn:          return "";
+      case EvqSmoothIn:            return "linear";
+      case EvqFlatIn:              return "nointerpolation";
+      case EvqCentroidIn:          return "centroid";
+      case EvqVaryingOut:          return "";
+      case EvqVertexOut:           return "";
+      case EvqSmoothOut:           return "linear";
+      case EvqFlatOut:             return "nointerpolation";
+      case EvqCentroidOut:         return "centroid";
+      default: UNREACHABLE();
+    }
+
+    return "";
+}
+
+TString QualifierString(TQualifier qualifier)
+{
+    switch (qualifier)
+    {
+      case EvqIn:            return "in";
+      case EvqOut:           return "inout"; // 'out' results in an HLSL error if not all fields are written, for GLSL it's undefined
+      case EvqInOut:         return "inout";
+      case EvqConstReadOnly: return "const";
+      default: UNREACHABLE();
+    }
+
+    return "";
+}
+
+TString DisambiguateFunctionName(const TIntermSequence *parameters)
+{
+    TString disambiguatingString;
+    for (auto parameter : *parameters)
+    {
+        const TType &paramType = parameter->getAsTyped()->getType();
+        // Disambiguation is needed for float2x2 and float4 parameters. These are the only parameter
+        // types that HLSL thinks are identical. float2x3 and float3x2 are different types, for
+        // example. Other parameter types are not added to function names to avoid making function
+        // names longer.
+        if (paramType.getObjectSize() == 4 && paramType.getBasicType() == EbtFloat)
+        {
+            disambiguatingString += "_" + TypeString(paramType);
+        }
+    }
+    return disambiguatingString;
+}
+
+}  // namespace sh