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//
// 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.h:
// Utility methods for GLSL to HLSL translation.
//
#ifndef COMPILER_TRANSLATOR_UTILSHLSL_H_
#define COMPILER_TRANSLATOR_UTILSHLSL_H_
#include <vector>
#include "compiler/translator/IntermNode.h"
#include "compiler/translator/Types.h"
#include "angle_gl.h"
class TName;
namespace sh
{
// HLSL Texture type for GLSL sampler type and readonly image type.
enum HLSLTextureGroup
{
// read resources
HLSL_TEXTURE_2D,
HLSL_TEXTURE_MIN = HLSL_TEXTURE_2D,
HLSL_TEXTURE_CUBE,
HLSL_TEXTURE_2D_ARRAY,
HLSL_TEXTURE_3D,
HLSL_TEXTURE_2D_UNORM,
HLSL_TEXTURE_CUBE_UNORM,
HLSL_TEXTURE_2D_ARRAY_UNORN,
HLSL_TEXTURE_3D_UNORM,
HLSL_TEXTURE_2D_SNORM,
HLSL_TEXTURE_CUBE_SNORM,
HLSL_TEXTURE_2D_ARRAY_SNORM,
HLSL_TEXTURE_3D_SNORM,
HLSL_TEXTURE_2D_MS,
HLSL_TEXTURE_2D_INT4,
HLSL_TEXTURE_3D_INT4,
HLSL_TEXTURE_2D_ARRAY_INT4,
HLSL_TEXTURE_2D_MS_INT4,
HLSL_TEXTURE_2D_UINT4,
HLSL_TEXTURE_3D_UINT4,
HLSL_TEXTURE_2D_ARRAY_UINT4,
HLSL_TEXTURE_2D_MS_UINT4,
// Comparison samplers
HLSL_TEXTURE_2D_COMPARISON,
HLSL_TEXTURE_CUBE_COMPARISON,
HLSL_TEXTURE_2D_ARRAY_COMPARISON,
HLSL_COMPARISON_SAMPLER_GROUP_BEGIN = HLSL_TEXTURE_2D_COMPARISON,
HLSL_COMPARISON_SAMPLER_GROUP_END = HLSL_TEXTURE_2D_ARRAY_COMPARISON,
HLSL_TEXTURE_UNKNOWN,
HLSL_TEXTURE_MAX = HLSL_TEXTURE_UNKNOWN
};
// HLSL RWTexture type for GLSL read and write image type.
enum HLSLRWTextureGroup
{
// read/write resource
HLSL_RWTEXTURE_2D_FLOAT4,
HLSL_RWTEXTURE_MIN = HLSL_RWTEXTURE_2D_FLOAT4,
HLSL_RWTEXTURE_2D_ARRAY_FLOAT4,
HLSL_RWTEXTURE_3D_FLOAT4,
HLSL_RWTEXTURE_2D_UNORM,
HLSL_RWTEXTURE_2D_ARRAY_UNORN,
HLSL_RWTEXTURE_3D_UNORM,
HLSL_RWTEXTURE_2D_SNORM,
HLSL_RWTEXTURE_2D_ARRAY_SNORM,
HLSL_RWTEXTURE_3D_SNORM,
HLSL_RWTEXTURE_2D_UINT4,
HLSL_RWTEXTURE_2D_ARRAY_UINT4,
HLSL_RWTEXTURE_3D_UINT4,
HLSL_RWTEXTURE_2D_INT4,
HLSL_RWTEXTURE_2D_ARRAY_INT4,
HLSL_RWTEXTURE_3D_INT4,
HLSL_RWTEXTURE_UNKNOWN,
HLSL_RWTEXTURE_MAX = HLSL_RWTEXTURE_UNKNOWN
};
HLSLTextureGroup TextureGroup(const TBasicType type,
TLayoutImageInternalFormat imageInternalFormat = EiifUnspecified);
TString TextureString(const HLSLTextureGroup textureGroup);
TString TextureString(const TBasicType type,
TLayoutImageInternalFormat imageInternalFormat = EiifUnspecified);
TString TextureGroupSuffix(const HLSLTextureGroup type);
TString TextureGroupSuffix(const TBasicType type,
TLayoutImageInternalFormat imageInternalFormat = EiifUnspecified);
TString TextureTypeSuffix(const TBasicType type,
TLayoutImageInternalFormat imageInternalFormat = EiifUnspecified);
HLSLRWTextureGroup RWTextureGroup(const TBasicType type,
TLayoutImageInternalFormat imageInternalFormat);
TString RWTextureString(const HLSLRWTextureGroup textureGroup);
TString RWTextureString(const TBasicType type, TLayoutImageInternalFormat imageInternalFormat);
TString RWTextureGroupSuffix(const HLSLRWTextureGroup type);
TString RWTextureGroupSuffix(const TBasicType type, TLayoutImageInternalFormat imageInternalFormat);
TString RWTextureTypeSuffix(const TBasicType type, TLayoutImageInternalFormat imageInternalFormat);
TString SamplerString(const TBasicType type);
TString SamplerString(HLSLTextureGroup type);
// Adds a prefix to user-defined names to avoid naming clashes.
TString Decorate(const TString &string);
TString DecorateVariableIfNeeded(const TName &name);
TString DecorateFunctionIfNeeded(const TName &name);
TString DecorateField(const TString &string, const TStructure &structure);
TString DecoratePrivate(const TString &privateText);
TString TypeString(const TType &type);
TString StructNameString(const TStructure &structure);
TString QualifiedStructNameString(const TStructure &structure,
bool useHLSLRowMajorPacking,
bool useStd140Packing);
TString InterpolationString(TQualifier qualifier);
TString QualifierString(TQualifier qualifier);
// Parameters may need to be included in function names to disambiguate between overloaded
// functions.
TString DisambiguateFunctionName(const TIntermSequence *parameters);
}
#endif // COMPILER_TRANSLATOR_UTILSHLSL_H_
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