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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.
//
// ProgramD3D.cpp: Defines the rx::ProgramD3D class which implements rx::ProgramImpl.
#include "libGLESv2/renderer/d3d/ProgramD3D.h"
#include "common/utilities.h"
#include "libGLESv2/ProgramBinary.h"
#include "libGLESv2/renderer/Renderer.h"
#include "libGLESv2/renderer/ShaderExecutable.h"
#include "libGLESv2/renderer/d3d/DynamicHLSL.h"
#include "libGLESv2/renderer/d3d/ShaderD3D.h"
#include "libGLESv2/main.h"
namespace rx
{
ProgramD3D::ProgramD3D(rx::Renderer *renderer)
: ProgramImpl(),
mRenderer(renderer),
mDynamicHLSL(NULL),
mVertexWorkarounds(rx::ANGLE_D3D_WORKAROUND_NONE),
mPixelWorkarounds(rx::ANGLE_D3D_WORKAROUND_NONE),
mVertexUniformStorage(NULL),
mFragmentUniformStorage(NULL)
{
mDynamicHLSL = new rx::DynamicHLSL(renderer);
}
ProgramD3D::~ProgramD3D()
{
reset();
SafeDelete(mDynamicHLSL);
}
ProgramD3D *ProgramD3D::makeProgramD3D(ProgramImpl *impl)
{
ASSERT(HAS_DYNAMIC_TYPE(ProgramD3D*, impl));
return static_cast<ProgramD3D*>(impl);
}
const ProgramD3D *ProgramD3D::makeProgramD3D(const ProgramImpl *impl)
{
ASSERT(HAS_DYNAMIC_TYPE(const ProgramD3D*, impl));
return static_cast<const ProgramD3D*>(impl);
}
bool ProgramD3D::load(gl::InfoLog &infoLog, gl::BinaryInputStream *stream)
{
stream->readString(&mVertexHLSL);
stream->readInt(&mVertexWorkarounds);
stream->readString(&mPixelHLSL);
stream->readInt(&mPixelWorkarounds);
stream->readBool(&mUsesFragDepth);
const size_t pixelShaderKeySize = stream->readInt<unsigned int>();
mPixelShaderKey.resize(pixelShaderKeySize);
for (size_t pixelShaderKeyIndex = 0; pixelShaderKeyIndex < pixelShaderKeySize; pixelShaderKeyIndex++)
{
stream->readInt(&mPixelShaderKey[pixelShaderKeyIndex].type);
stream->readString(&mPixelShaderKey[pixelShaderKeyIndex].name);
stream->readString(&mPixelShaderKey[pixelShaderKeyIndex].source);
stream->readInt(&mPixelShaderKey[pixelShaderKeyIndex].outputIndex);
}
return true;
}
bool ProgramD3D::save(gl::BinaryOutputStream *stream)
{
stream->writeString(mVertexHLSL);
stream->writeInt(mVertexWorkarounds);
stream->writeString(mPixelHLSL);
stream->writeInt(mPixelWorkarounds);
stream->writeInt(mUsesFragDepth);
const std::vector<rx::PixelShaderOutputVariable> &pixelShaderKey = mPixelShaderKey;
stream->writeInt(pixelShaderKey.size());
for (size_t pixelShaderKeyIndex = 0; pixelShaderKeyIndex < pixelShaderKey.size(); pixelShaderKeyIndex++)
{
const rx::PixelShaderOutputVariable &variable = pixelShaderKey[pixelShaderKeyIndex];
stream->writeInt(variable.type);
stream->writeString(variable.name);
stream->writeString(variable.source);
stream->writeInt(variable.outputIndex);
}
return true;
}
rx::ShaderExecutable *ProgramD3D::getPixelExecutableForOutputLayout(gl::InfoLog &infoLog, const std::vector<GLenum> &outputSignature,
const std::vector<gl::LinkedVarying> &transformFeedbackLinkedVaryings,
bool separatedOutputBuffers)
{
std::string finalPixelHLSL = mDynamicHLSL->generatePixelShaderForOutputSignature(mPixelHLSL, mPixelShaderKey, mUsesFragDepth,
outputSignature);
// Generate new pixel executable
rx::ShaderExecutable *pixelExecutable = mRenderer->compileToExecutable(infoLog, finalPixelHLSL.c_str(), rx::SHADER_PIXEL,
transformFeedbackLinkedVaryings, separatedOutputBuffers,
mPixelWorkarounds);
return pixelExecutable;
}
rx::ShaderExecutable *ProgramD3D::getVertexExecutableForInputLayout(gl::InfoLog &infoLog,
const gl::VertexFormat inputLayout[gl::MAX_VERTEX_ATTRIBS],
const sh::Attribute shaderAttributes[],
const std::vector<gl::LinkedVarying> &transformFeedbackLinkedVaryings,
bool separatedOutputBuffers)
{
// Generate new dynamic layout with attribute conversions
std::string finalVertexHLSL = mDynamicHLSL->generateVertexShaderForInputLayout(mVertexHLSL, inputLayout, shaderAttributes);
// Generate new vertex executable
rx::ShaderExecutable *vertexExecutable = mRenderer->compileToExecutable(infoLog, finalVertexHLSL.c_str(),
rx::SHADER_VERTEX,
transformFeedbackLinkedVaryings, separatedOutputBuffers,
mVertexWorkarounds);
return vertexExecutable;
}
bool ProgramD3D::link(gl::InfoLog &infoLog, gl::Shader *fragmentShader, gl::Shader *vertexShader,
const std::vector<std::string> &transformFeedbackVaryings, int *registers,
std::vector<gl::LinkedVarying> *linkedVaryings, std::map<int, gl::VariableLocation> *outputVariables)
{
rx::ShaderD3D *vertexShaderD3D = rx::ShaderD3D::makeShaderD3D(vertexShader->getImplementation());
rx::ShaderD3D *fragmentShaderD3D = rx::ShaderD3D::makeShaderD3D(fragmentShader->getImplementation());
mPixelHLSL = fragmentShaderD3D->getTranslatedSource();
mPixelWorkarounds = fragmentShaderD3D->getD3DWorkarounds();
mVertexHLSL = vertexShaderD3D->getTranslatedSource();
mVertexWorkarounds = vertexShaderD3D->getD3DWorkarounds();
// Map the varyings to the register file
rx::VaryingPacking packing = { NULL };
*registers = mDynamicHLSL->packVaryings(infoLog, packing, fragmentShaderD3D, vertexShaderD3D, transformFeedbackVaryings);
if (*registers < 0)
{
return false;
}
if (!gl::ProgramBinary::linkVaryings(infoLog, fragmentShader, vertexShader))
{
return false;
}
if (!mDynamicHLSL->generateShaderLinkHLSL(infoLog, *registers, packing, mPixelHLSL, mVertexHLSL,
fragmentShaderD3D, vertexShaderD3D, transformFeedbackVaryings,
linkedVaryings, outputVariables, &mPixelShaderKey, &mUsesFragDepth))
{
return false;
}
return true;
}
void ProgramD3D::initializeUniformStorage(const std::vector<gl::LinkedUniform*> &uniforms)
{
// Compute total default block size
unsigned int vertexRegisters = 0;
unsigned int fragmentRegisters = 0;
for (size_t uniformIndex = 0; uniformIndex < uniforms.size(); uniformIndex++)
{
const gl::LinkedUniform &uniform = *uniforms[uniformIndex];
if (!gl::IsSampler(uniform.type))
{
if (uniform.isReferencedByVertexShader())
{
vertexRegisters = std::max(vertexRegisters, uniform.vsRegisterIndex + uniform.registerCount);
}
if (uniform.isReferencedByFragmentShader())
{
fragmentRegisters = std::max(fragmentRegisters, uniform.psRegisterIndex + uniform.registerCount);
}
}
}
mVertexUniformStorage = mRenderer->createUniformStorage(vertexRegisters * 16u);
mFragmentUniformStorage = mRenderer->createUniformStorage(fragmentRegisters * 16u);
}
void ProgramD3D::reset()
{
mVertexHLSL.clear();
mVertexWorkarounds = rx::ANGLE_D3D_WORKAROUND_NONE;
mPixelHLSL.clear();
mPixelWorkarounds = rx::ANGLE_D3D_WORKAROUND_NONE;
mUsesFragDepth = false;
mPixelShaderKey.clear();
SafeDelete(mVertexUniformStorage);
SafeDelete(mFragmentUniformStorage);
}
}
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