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Diffstat (limited to 'gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.h')
| -rw-r--r-- | gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.h | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.h new file mode 100644 index 0000000000..3398bae8d7 --- /dev/null +++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/DynamicHLSL.h @@ -0,0 +1,212 @@ +// +// Copyright 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. +// +// DynamicHLSL.h: Interface for link and run-time HLSL generation +// + +#ifndef LIBANGLE_RENDERER_D3D_DYNAMICHLSL_H_ +#define LIBANGLE_RENDERER_D3D_DYNAMICHLSL_H_ + +#include <map> +#include <vector> + +#include "angle_gl.h" +#include "common/angleutils.h" +#include "libANGLE/Constants.h" +#include "libANGLE/Program.h" +#include "libANGLE/angletypes.h" +#include "libANGLE/formatutils.h" +#include "libANGLE/renderer/d3d/DynamicImage2DHLSL.h" +#include "libANGLE/renderer/d3d/RendererD3D.h" + +namespace sh +{ +struct ShaderVariable; +} // namespace sh + +namespace gl +{ +class InfoLog; +struct VariableLocation; +class VaryingPacking; +struct VertexAttribute; +} // namespace gl + +namespace rx +{ +class ProgramD3DMetadata; +class ShaderD3D; +struct ShaderStorageBlock; + +// This class needs to match OutputHLSL::decorate +class DecorateVariable final : angle::NonCopyable +{ + public: + explicit DecorateVariable(const std::string &str) : mName(str) {} + const std::string &getName() const { return mName; } + + private: + const std::string &mName; +}; + +inline std::ostream &operator<<(std::ostream &o, const DecorateVariable &dv) +{ + if (dv.getName().compare(0, 3, "gl_") != 0) + { + o << "_"; + } + o << dv.getName(); + return o; +} + +struct PixelShaderOutputVariable +{ + PixelShaderOutputVariable() {} + PixelShaderOutputVariable(GLenum typeIn, + const std::string &nameIn, + const std::string &sourceIn, + size_t outputLocationIn, + size_t outputIndexIn) + : type(typeIn), + name(nameIn), + source(sourceIn), + outputLocation(outputLocationIn), + outputIndex(outputIndexIn) + {} + + GLenum type = GL_NONE; + std::string name; + std::string source; + size_t outputLocation = 0; + size_t outputIndex = 0; +}; + +struct BuiltinVarying final : private angle::NonCopyable +{ + BuiltinVarying(); + + std::string str() const; + void enableSystem(const std::string &systemValueSemantic); + void enable(const std::string &semanticVal, unsigned int indexVal); + + bool enabled; + std::string semantic; + unsigned int index; + bool systemValue; +}; + +struct BuiltinInfo +{ + BuiltinInfo(); + ~BuiltinInfo(); + + BuiltinVarying dxPosition; + BuiltinVarying glPosition; + BuiltinVarying glFragCoord; + BuiltinVarying glPointCoord; + BuiltinVarying glPointSize; + BuiltinVarying glViewIDOVR; + BuiltinVarying glViewportIndex; + BuiltinVarying glLayer; +}; + +inline std::string GetVaryingSemantic(int majorShaderModel, bool programUsesPointSize) +{ + // SM3 reserves the TEXCOORD semantic for point sprite texcoords (gl_PointCoord) + // In D3D11 we manually compute gl_PointCoord in the GS. + return ((programUsesPointSize && majorShaderModel < 4) ? "COLOR" : "TEXCOORD"); +} + +class BuiltinVaryingsD3D +{ + public: + BuiltinVaryingsD3D(const ProgramD3DMetadata &metadata, const gl::VaryingPacking &packing); + ~BuiltinVaryingsD3D(); + + bool usesPointSize() const { return mBuiltinInfo[gl::ShaderType::Vertex].glPointSize.enabled; } + + const BuiltinInfo &operator[](gl::ShaderType shaderType) const + { + return mBuiltinInfo[shaderType]; + } + BuiltinInfo &operator[](gl::ShaderType shaderType) { return mBuiltinInfo[shaderType]; } + + private: + void updateBuiltins(gl::ShaderType shaderType, + const ProgramD3DMetadata &metadata, + const gl::VaryingPacking &packing); + + gl::ShaderMap<BuiltinInfo> mBuiltinInfo; +}; + +class DynamicHLSL : angle::NonCopyable +{ + public: + explicit DynamicHLSL(RendererD3D *const renderer); + + std::string generateVertexShaderForInputLayout( + const std::string &sourceShader, + const gl::InputLayout &inputLayout, + const std::vector<sh::ShaderVariable> &shaderAttributes, + const std::vector<rx::ShaderStorageBlock> &shaderStorageBlocks, + size_t baseUAVRegister) const; + std::string generatePixelShaderForOutputSignature( + const std::string &sourceShader, + const std::vector<PixelShaderOutputVariable> &outputVariables, + bool usesFragDepth, + const std::vector<GLenum> &outputLayout, + const std::vector<rx::ShaderStorageBlock> &shaderStorageBlocks, + size_t baseUAVRegister) const; + std::string generateShaderForImage2DBindSignature( + ProgramD3D &programD3D, + const gl::ProgramState &programData, + gl::ShaderType shaderType, + const std::string &shaderHLSL, + std::vector<sh::ShaderVariable> &image2DUniforms, + const gl::ImageUnitTextureTypeMap &image2DBindLayout, + unsigned int baseUAVRegister) const; + void generateShaderLinkHLSL(const gl::Context *context, + const gl::Caps &caps, + const gl::ProgramState &programData, + const ProgramD3DMetadata &programMetadata, + const gl::VaryingPacking &varyingPacking, + const BuiltinVaryingsD3D &builtinsD3D, + gl::ShaderMap<std::string> *shaderHLSL) const; + + std::string generateGeometryShaderPreamble(const gl::VaryingPacking &varyingPacking, + const BuiltinVaryingsD3D &builtinsD3D, + const bool hasANGLEMultiviewEnabled, + const bool selectViewInVS) const; + + std::string generateGeometryShaderHLSL(const gl::Caps &caps, + gl::PrimitiveMode primitiveType, + const gl::ProgramState &programData, + const bool useViewScale, + const bool hasANGLEMultiviewEnabled, + const bool selectViewInVS, + const bool pointSpriteEmulation, + const std::string &preambleString) const; + + void getPixelShaderOutputKey(const gl::State &data, + const gl::ProgramState &programData, + const ProgramD3DMetadata &metadata, + std::vector<PixelShaderOutputVariable> *outPixelShaderKey); + + private: + RendererD3D *const mRenderer; + + void generateVaryingLinkHLSL(const gl::VaryingPacking &varyingPacking, + const BuiltinInfo &builtins, + bool programUsesPointSize, + std::ostringstream &hlslStream) const; + + static void GenerateAttributeConversionHLSL(angle::FormatID vertexFormatID, + const sh::ShaderVariable &shaderAttrib, + std::ostringstream &outStream); +}; + +} // namespace rx + +#endif // LIBANGLE_RENDERER_D3D_DYNAMICHLSL_H_ |