diff options
Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/blocklayoutHLSL.cpp')
-rw-r--r-- | src/3rdparty/angle/src/compiler/translator/blocklayoutHLSL.cpp | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/blocklayoutHLSL.cpp b/src/3rdparty/angle/src/compiler/translator/blocklayoutHLSL.cpp deleted file mode 100644 index 867821f1ea..0000000000 --- a/src/3rdparty/angle/src/compiler/translator/blocklayoutHLSL.cpp +++ /dev/null @@ -1,166 +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.cpp: -// Implementation for block layout classes and methods. -// - -#include "compiler/translator/blocklayoutHLSL.h" - -#include "common/mathutil.h" -#include "common/utilities.h" - -namespace sh -{ - -HLSLBlockEncoder::HLSLBlockEncoder(HLSLBlockEncoderStrategy strategy, bool transposeMatrices) - : mEncoderStrategy(strategy), mTransposeMatrices(transposeMatrices) -{ -} - -void HLSLBlockEncoder::enterAggregateType() -{ - nextRegister(); -} - -void HLSLBlockEncoder::exitAggregateType() -{ -} - -void HLSLBlockEncoder::getBlockLayoutInfo(GLenum typeIn, - const std::vector<unsigned int> &arraySizes, - bool isRowMajorMatrix, - int *arrayStrideOut, - int *matrixStrideOut) -{ - GLenum type = (mTransposeMatrices ? gl::TransposeMatrixType(typeIn) : typeIn); - - // We assume we are only dealing with 4 byte components (no doubles or half-words currently) - ASSERT(gl::VariableComponentSize(gl::VariableComponentType(type)) == BytesPerComponent); - - int matrixStride = 0; - int arrayStride = 0; - - // if variables are not to be packed, or we're about to - // pack a matrix or array, skip to the start of the next - // register - if (!isPacked() || gl::IsMatrixType(type) || !arraySizes.empty()) - { - nextRegister(); - } - - if (gl::IsMatrixType(type)) - { - matrixStride = ComponentsPerRegister; - - if (!arraySizes.empty()) - { - const int numRegisters = gl::MatrixRegisterCount(type, isRowMajorMatrix); - arrayStride = ComponentsPerRegister * numRegisters; - } - } - else if (!arraySizes.empty()) - { - arrayStride = ComponentsPerRegister; - } - else if (isPacked()) - { - int numComponents = gl::VariableComponentCount(type); - if ((numComponents + (mCurrentOffset % ComponentsPerRegister)) > ComponentsPerRegister) - { - nextRegister(); - } - } - - *matrixStrideOut = matrixStride; - *arrayStrideOut = arrayStride; -} - -void HLSLBlockEncoder::advanceOffset(GLenum typeIn, - const std::vector<unsigned int> &arraySizes, - bool isRowMajorMatrix, - int arrayStride, - int matrixStride) -{ - GLenum type = (mTransposeMatrices ? gl::TransposeMatrixType(typeIn) : typeIn); - - if (!arraySizes.empty()) - { - mCurrentOffset += arrayStride * (gl::ArraySizeProduct(arraySizes) - 1); - } - - if (gl::IsMatrixType(type)) - { - ASSERT(matrixStride == ComponentsPerRegister); - const int numRegisters = gl::MatrixRegisterCount(type, isRowMajorMatrix); - const int numComponents = gl::MatrixComponentCount(type, isRowMajorMatrix); - mCurrentOffset += ComponentsPerRegister * (numRegisters - 1); - mCurrentOffset += numComponents; - } - else if (isPacked()) - { - mCurrentOffset += gl::VariableComponentCount(type); - } - else - { - mCurrentOffset += ComponentsPerRegister; - } -} - -void HLSLBlockEncoder::skipRegisters(unsigned int numRegisters) -{ - mCurrentOffset += (numRegisters * ComponentsPerRegister); -} - -HLSLBlockEncoder::HLSLBlockEncoderStrategy HLSLBlockEncoder::GetStrategyFor( - ShShaderOutput outputType) -{ - switch (outputType) - { - case SH_HLSL_3_0_OUTPUT: - return ENCODE_LOOSE; - case SH_HLSL_4_1_OUTPUT: - case SH_HLSL_4_0_FL9_3_OUTPUT: - return ENCODE_PACKED; - default: - UNREACHABLE(); - return ENCODE_PACKED; - } -} - -template <class ShaderVarType> -void HLSLVariableRegisterCount(const ShaderVarType &variable, HLSLBlockEncoder *encoder) -{ - if (variable.isStruct()) - { - for (size_t arrayElement = 0; arrayElement < variable.getArraySizeProduct(); arrayElement++) - { - encoder->enterAggregateType(); - - for (size_t fieldIndex = 0; fieldIndex < variable.fields.size(); fieldIndex++) - { - HLSLVariableRegisterCount(variable.fields[fieldIndex], encoder); - } - - encoder->exitAggregateType(); - } - } - else - { - // We operate only on varyings and uniforms, which do not have matrix layout qualifiers - encoder->encodeType(variable.type, variable.arraySizes, false); - } -} - -unsigned int HLSLVariableRegisterCount(const Uniform &variable, ShShaderOutput outputType) -{ - HLSLBlockEncoder encoder(HLSLBlockEncoder::GetStrategyFor(outputType), true); - HLSLVariableRegisterCount(variable, &encoder); - - const size_t registerBytes = (encoder.BytesPerComponent * encoder.ComponentsPerRegister); - return static_cast<unsigned int>(rx::roundUp<size_t>(encoder.getBlockSize(), registerBytes) / - registerBytes); -} -} // namespace sh |