michael@0: #include "precompiled.h"
michael@0: //
michael@0: // Copyright (c) 2012-2013 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // ShaderExecutable11.cpp: Implements a D3D11-specific class to contain shader
michael@0: // executable implementation details.
michael@0: 
michael@0: #include "libGLESv2/renderer/ShaderExecutable11.h"
michael@0: 
michael@0: #include "common/debug.h"
michael@0: 
michael@0: namespace rx
michael@0: {
michael@0: 
michael@0: ShaderExecutable11::ShaderExecutable11(const void *function, size_t length, ID3D11PixelShader *executable)
michael@0:     : ShaderExecutable(function, length)
michael@0: {
michael@0:     mPixelExecutable = executable;
michael@0:     mVertexExecutable = NULL;
michael@0:     mGeometryExecutable = NULL;
michael@0: 
michael@0:     mConstantBuffer = NULL;
michael@0: }
michael@0: 
michael@0: ShaderExecutable11::ShaderExecutable11(const void *function, size_t length, ID3D11VertexShader *executable)
michael@0:     : ShaderExecutable(function, length)
michael@0: {
michael@0:     mVertexExecutable = executable;
michael@0:     mPixelExecutable = NULL;
michael@0:     mGeometryExecutable = NULL;
michael@0: 
michael@0:     mConstantBuffer = NULL;
michael@0: }
michael@0: 
michael@0: ShaderExecutable11::ShaderExecutable11(const void *function, size_t length, ID3D11GeometryShader *executable)
michael@0:     : ShaderExecutable(function, length)
michael@0: {
michael@0:     mGeometryExecutable = executable;
michael@0:     mVertexExecutable = NULL;
michael@0:     mPixelExecutable = NULL;
michael@0: 
michael@0:     mConstantBuffer = NULL;
michael@0: }
michael@0: 
michael@0: ShaderExecutable11::~ShaderExecutable11()
michael@0: {
michael@0:     if (mVertexExecutable)
michael@0:     {
michael@0:         mVertexExecutable->Release();
michael@0:     }
michael@0:     if (mPixelExecutable)
michael@0:     {
michael@0:         mPixelExecutable->Release();
michael@0:     }
michael@0:     if (mGeometryExecutable)
michael@0:     {
michael@0:         mGeometryExecutable->Release();
michael@0:     }
michael@0:     
michael@0:     if (mConstantBuffer)
michael@0:     {
michael@0:         mConstantBuffer->Release();
michael@0:     }
michael@0: }
michael@0: 
michael@0: ShaderExecutable11 *ShaderExecutable11::makeShaderExecutable11(ShaderExecutable *executable)
michael@0: {
michael@0:     ASSERT(HAS_DYNAMIC_TYPE(ShaderExecutable11*, executable));
michael@0:     return static_cast<ShaderExecutable11*>(executable);
michael@0: }
michael@0: 
michael@0: ID3D11VertexShader *ShaderExecutable11::getVertexShader() const
michael@0: {
michael@0:     return mVertexExecutable;
michael@0: }
michael@0: 
michael@0: ID3D11PixelShader *ShaderExecutable11::getPixelShader() const
michael@0: {
michael@0:     return mPixelExecutable;
michael@0: }
michael@0: 
michael@0: ID3D11GeometryShader *ShaderExecutable11::getGeometryShader() const
michael@0: {
michael@0:     return mGeometryExecutable;
michael@0: }
michael@0: 
michael@0: ID3D11Buffer *ShaderExecutable11::getConstantBuffer(ID3D11Device *device, unsigned int registerCount)
michael@0: {
michael@0:     if (!mConstantBuffer && registerCount > 0)
michael@0:     {
michael@0:         D3D11_BUFFER_DESC constantBufferDescription = {0};
michael@0:         constantBufferDescription.ByteWidth = registerCount * sizeof(float[4]);
michael@0:         constantBufferDescription.Usage = D3D11_USAGE_DYNAMIC;
michael@0:         constantBufferDescription.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
michael@0:         constantBufferDescription.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
michael@0:         constantBufferDescription.MiscFlags = 0;
michael@0:         constantBufferDescription.StructureByteStride = 0;
michael@0: 
michael@0:         HRESULT result = device->CreateBuffer(&constantBufferDescription, NULL, &mConstantBuffer);
michael@0:         ASSERT(SUCCEEDED(result));
michael@0:     }
michael@0: 
michael@0:     return mConstantBuffer;
michael@0: }
michael@0: 
michael@0: }