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Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/blocklayout.h')
-rw-r--r-- | src/3rdparty/angle/src/compiler/translator/blocklayout.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/blocklayout.h b/src/3rdparty/angle/src/compiler/translator/blocklayout.h deleted file mode 100644 index 2b7acf4e60..0000000000 --- a/src/3rdparty/angle/src/compiler/translator/blocklayout.h +++ /dev/null @@ -1,144 +0,0 @@ -// -// Copyright (c) 2013-2014 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. -// -// blocklayout.h: -// Methods and classes related to uniform layout and packing in GLSL and HLSL. -// - -#ifndef COMMON_BLOCKLAYOUT_H_ -#define COMMON_BLOCKLAYOUT_H_ - -#include <cstddef> -#include <map> -#include <vector> - -#include "angle_gl.h" -#include <GLSLANG/ShaderLang.h> - -namespace sh -{ -struct ShaderVariable; -struct InterfaceBlockField; -struct Uniform; -struct Varying; -struct InterfaceBlock; - -struct BlockMemberInfo -{ - BlockMemberInfo() - : offset(-1), - arrayStride(-1), - matrixStride(-1), - isRowMajorMatrix(false), - topLevelArrayStride(-1) - { - } - - BlockMemberInfo(int offset, int arrayStride, int matrixStride, bool isRowMajorMatrix) - : offset(offset), - arrayStride(arrayStride), - matrixStride(matrixStride), - isRowMajorMatrix(isRowMajorMatrix), - topLevelArrayStride(-1) - { - } - - BlockMemberInfo(int offset, - int arrayStride, - int matrixStride, - bool isRowMajorMatrix, - int topLevelArrayStride) - : offset(offset), - arrayStride(arrayStride), - matrixStride(matrixStride), - isRowMajorMatrix(isRowMajorMatrix), - topLevelArrayStride(topLevelArrayStride) - { - } - - static BlockMemberInfo getDefaultBlockInfo() { return BlockMemberInfo(-1, -1, -1, false, -1); } - - int offset; - int arrayStride; - int matrixStride; - bool isRowMajorMatrix; - int topLevelArrayStride; // Only used for shader storage block members. -}; - -class BlockLayoutEncoder -{ - public: - BlockLayoutEncoder(); - virtual ~BlockLayoutEncoder() {} - - BlockMemberInfo encodeType(GLenum type, - const std::vector<unsigned int> &arraySizes, - bool isRowMajorMatrix); - - size_t getBlockSize() const { return mCurrentOffset * BytesPerComponent; } - - virtual void enterAggregateType() = 0; - virtual void exitAggregateType() = 0; - - static const size_t BytesPerComponent = 4u; - static const unsigned int ComponentsPerRegister = 4u; - - static size_t getBlockRegister(const BlockMemberInfo &info); - static size_t getBlockRegisterElement(const BlockMemberInfo &info); - - protected: - size_t mCurrentOffset; - - void nextRegister(); - - virtual void getBlockLayoutInfo(GLenum type, - const std::vector<unsigned int> &arraySizes, - bool isRowMajorMatrix, - int *arrayStrideOut, - int *matrixStrideOut) = 0; - virtual void advanceOffset(GLenum type, - const std::vector<unsigned int> &arraySizes, - bool isRowMajorMatrix, - int arrayStride, - int matrixStride) = 0; -}; - -// Block layout according to the std140 block layout -// See "Standard Uniform Block Layout" in Section 2.11.6 of the OpenGL ES 3.0 specification - -class Std140BlockEncoder : public BlockLayoutEncoder -{ - public: - Std140BlockEncoder(); - - void enterAggregateType() override; - void exitAggregateType() override; - - protected: - void getBlockLayoutInfo(GLenum type, - const std::vector<unsigned int> &arraySizes, - bool isRowMajorMatrix, - int *arrayStrideOut, - int *matrixStrideOut) override; - void advanceOffset(GLenum type, - const std::vector<unsigned int> &arraySizes, - bool isRowMajorMatrix, - int arrayStride, - int matrixStride) override; -}; - -using BlockLayoutMap = std::map<std::string, BlockMemberInfo>; - -// Only valid to call with ShaderVariable, InterfaceBlockField and Uniform. -template <typename VarT> -void GetUniformBlockInfo(const std::vector<VarT> &fields, - const std::string &prefix, - sh::BlockLayoutEncoder *encoder, - bool inRowMajorLayout, - BlockLayoutMap *blockLayoutMap); - -} // namespace sh - -#endif // COMMON_BLOCKLAYOUT_H_ |