| #include "precompiled.h" |
| // |
| // Copyright (c) 2013 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. |
| // |
| |
| // VertexBuffer11.cpp: Defines the D3D11 VertexBuffer implementation. |
| |
| #include "libGLESv2/renderer/VertexBuffer11.h" |
| #include "libGLESv2/renderer/BufferStorage.h" |
| |
| #include "libGLESv2/Buffer.h" |
| #include "libGLESv2/renderer/Renderer11.h" |
| #include "libGLESv2/Context.h" |
| |
| namespace rx |
| { |
| |
| VertexBuffer11::VertexBuffer11(rx::Renderer11 *const renderer) : mRenderer(renderer) |
| { |
| mBuffer = NULL; |
| mBufferSize = 0; |
| mDynamicUsage = false; |
| } |
| |
| VertexBuffer11::~VertexBuffer11() |
| { |
| if (mBuffer) |
| { |
| mBuffer->Release(); |
| mBuffer = NULL; |
| } |
| } |
| |
| bool VertexBuffer11::initialize(unsigned int size, bool dynamicUsage) |
| { |
| if (mBuffer) |
| { |
| mBuffer->Release(); |
| mBuffer = NULL; |
| } |
| |
| updateSerial(); |
| |
| if (size > 0) |
| { |
| ID3D11Device* dxDevice = mRenderer->getDevice(); |
| |
| D3D11_BUFFER_DESC bufferDesc; |
| bufferDesc.ByteWidth = size; |
| bufferDesc.Usage = D3D11_USAGE_DYNAMIC; |
| bufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER; |
| bufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; |
| bufferDesc.MiscFlags = 0; |
| bufferDesc.StructureByteStride = 0; |
| |
| HRESULT result = dxDevice->CreateBuffer(&bufferDesc, NULL, &mBuffer); |
| if (FAILED(result)) |
| { |
| return false; |
| } |
| } |
| |
| mBufferSize = size; |
| mDynamicUsage = dynamicUsage; |
| return true; |
| } |
| |
| VertexBuffer11 *VertexBuffer11::makeVertexBuffer11(VertexBuffer *vetexBuffer) |
| { |
| ASSERT(HAS_DYNAMIC_TYPE(VertexBuffer11*, vetexBuffer)); |
| return static_cast<VertexBuffer11*>(vetexBuffer); |
| } |
| |
| bool VertexBuffer11::storeVertexAttributes(const gl::VertexAttribute &attrib, GLint start, GLsizei count, |
| GLsizei instances, unsigned int offset) |
| { |
| if (mBuffer) |
| { |
| gl::Buffer *buffer = attrib.mBoundBuffer.get(); |
| |
| int inputStride = attrib.stride(); |
| const VertexConverter &converter = getVertexConversion(attrib); |
| |
| ID3D11DeviceContext *dxContext = mRenderer->getDeviceContext(); |
| |
| D3D11_MAPPED_SUBRESOURCE mappedResource; |
| HRESULT result = dxContext->Map(mBuffer, 0, D3D11_MAP_WRITE_NO_OVERWRITE, 0, &mappedResource); |
| if (FAILED(result)) |
| { |
| ERR("Vertex buffer map failed with error 0x%08x", result); |
| return false; |
| } |
| |
| char* output = reinterpret_cast<char*>(mappedResource.pData) + offset; |
| |
| const char *input = NULL; |
| if (buffer) |
| { |
| BufferStorage *storage = buffer->getStorage(); |
| input = static_cast<const char*>(storage->getData()) + static_cast<int>(attrib.mOffset); |
| } |
| else |
| { |
| input = static_cast<const char*>(attrib.mPointer); |
| } |
| |
| if (instances == 0 || attrib.mDivisor == 0) |
| { |
| input += inputStride * start; |
| } |
| |
| converter.conversionFunc(input, inputStride, count, output); |
| |
| dxContext->Unmap(mBuffer, 0); |
| |
| return true; |
| } |
| else |
| { |
| ERR("Vertex buffer not initialized."); |
| return false; |
| } |
| } |
| |
| bool VertexBuffer11::storeRawData(const void* data, unsigned int size, unsigned int offset) |
| { |
| if (mBuffer) |
| { |
| ID3D11DeviceContext *dxContext = mRenderer->getDeviceContext(); |
| |
| D3D11_MAPPED_SUBRESOURCE mappedResource; |
| HRESULT result = dxContext->Map(mBuffer, 0, D3D11_MAP_WRITE_NO_OVERWRITE, 0, &mappedResource); |
| if (FAILED(result)) |
| { |
| ERR("Vertex buffer map failed with error 0x%08x", result); |
| return false; |
| } |
| |
| char* bufferData = static_cast<char*>(mappedResource.pData); |
| memcpy(bufferData + offset, data, size); |
| |
| dxContext->Unmap(mBuffer, 0); |
| |
| return true; |
| } |
| else |
| { |
| ERR("Vertex buffer not initialized."); |
| return false; |
| } |
| } |
| |
| unsigned int VertexBuffer11::getSpaceRequired(const gl::VertexAttribute &attrib, GLsizei count, |
| GLsizei instances) const |
| { |
| unsigned int elementSize = getVertexConversion(attrib).outputElementSize; |
| |
| if (instances == 0 || attrib.mDivisor == 0) |
| { |
| return elementSize * count; |
| } |
| else |
| { |
| return elementSize * ((instances + attrib.mDivisor - 1) / attrib.mDivisor); |
| } |
| } |
| |
| bool VertexBuffer11::requiresConversion(const gl::VertexAttribute &attrib) const |
| { |
| return !getVertexConversion(attrib).identity; |
| } |
| |
| unsigned int VertexBuffer11::getBufferSize() const |
| { |
| return mBufferSize; |
| } |
| |
| bool VertexBuffer11::setBufferSize(unsigned int size) |
| { |
| if (size > mBufferSize) |
| { |
| return initialize(size, mDynamicUsage); |
| } |
| else |
| { |
| return true; |
| } |
| } |
| |
| bool VertexBuffer11::discard() |
| { |
| if (mBuffer) |
| { |
| ID3D11DeviceContext *dxContext = mRenderer->getDeviceContext(); |
| |
| D3D11_MAPPED_SUBRESOURCE mappedResource; |
| HRESULT result = dxContext->Map(mBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource); |
| if (FAILED(result)) |
| { |
| ERR("Vertex buffer map failed with error 0x%08x", result); |
| return false; |
| } |
| |
| dxContext->Unmap(mBuffer, 0); |
| |
| return true; |
| } |
| else |
| { |
| ERR("Vertex buffer not initialized."); |
| return false; |
| } |
| } |
| |
| unsigned int VertexBuffer11::getVertexSize(const gl::VertexAttribute &attrib) const |
| { |
| return getVertexConversion(attrib).outputElementSize; |
| } |
| |
| DXGI_FORMAT VertexBuffer11::getDXGIFormat(const gl::VertexAttribute &attrib) const |
| { |
| return getVertexConversion(attrib).dxgiFormat; |
| } |
| |
| ID3D11Buffer *VertexBuffer11::getBuffer() const |
| { |
| return mBuffer; |
| } |
| |
| template <typename T, unsigned int componentCount, bool widen, bool normalized> |
| static void copyVertexData(const void *input, unsigned int stride, unsigned int count, void *output) |
| { |
| unsigned int attribSize = sizeof(T) * componentCount; |
| |
| if (attribSize == stride && !widen) |
| { |
| memcpy(output, input, count * attribSize); |
| } |
| else |
| { |
| unsigned int outputStride = widen ? 4 : componentCount; |
| T defaultVal = normalized ? std::numeric_limits<T>::max() : T(1); |
| |
| for (unsigned int i = 0; i < count; i++) |
| { |
| const T *offsetInput = reinterpret_cast<const T*>(reinterpret_cast<const char*>(input) + i * stride); |
| T *offsetOutput = reinterpret_cast<T*>(output) + i * outputStride; |
| |
| for (unsigned int j = 0; j < componentCount; j++) |
| { |
| offsetOutput[j] = offsetInput[j]; |
| } |
| |
| if (widen) |
| { |
| offsetOutput[3] = defaultVal; |
| } |
| } |
| } |
| } |
| |
| template <unsigned int componentCount> |
| static void copyFixedVertexData(const void* input, unsigned int stride, unsigned int count, void* output) |
| { |
| static const float divisor = 1.0f / (1 << 16); |
| |
| for (unsigned int i = 0; i < count; i++) |
| { |
| const GLfixed* offsetInput = reinterpret_cast<const GLfixed*>(reinterpret_cast<const char*>(input) + stride * i); |
| float* offsetOutput = reinterpret_cast<float*>(output) + i * componentCount; |
| |
| for (unsigned int j = 0; j < componentCount; j++) |
| { |
| offsetOutput[j] = static_cast<float>(offsetInput[j]) * divisor; |
| } |
| } |
| } |
| |
| template <typename T, unsigned int componentCount, bool normalized> |
| static void copyToFloatVertexData(const void* input, unsigned int stride, unsigned int count, void* output) |
| { |
| typedef std::numeric_limits<T> NL; |
| |
| for (unsigned int i = 0; i < count; i++) |
| { |
| const T *offsetInput = reinterpret_cast<const T*>(reinterpret_cast<const char*>(input) + stride * i); |
| float *offsetOutput = reinterpret_cast<float*>(output) + i * componentCount; |
| |
| for (unsigned int j = 0; j < componentCount; j++) |
| { |
| if (normalized) |
| { |
| if (NL::is_signed) |
| { |
| const float divisor = 1.0f / (2 * static_cast<float>(NL::max()) + 1); |
| offsetOutput[j] = (2 * static_cast<float>(offsetInput[j]) + 1) * divisor; |
| } |
| else |
| { |
| offsetOutput[j] = static_cast<float>(offsetInput[j]) / NL::max(); |
| } |
| } |
| else |
| { |
| offsetOutput[j] = static_cast<float>(offsetInput[j]); |
| } |
| } |
| } |
| } |
| |
| const VertexBuffer11::VertexConverter VertexBuffer11::mPossibleTranslations[NUM_GL_VERTEX_ATTRIB_TYPES][2][4] = |
| { |
| { // GL_BYTE |
| { // unnormalized |
| { ©ToFloatVertexData<GLbyte, 1, false>, false, DXGI_FORMAT_R32_FLOAT, 4 }, |
| { ©ToFloatVertexData<GLbyte, 2, false>, false, DXGI_FORMAT_R32G32_FLOAT, 8 }, |
| { ©ToFloatVertexData<GLbyte, 3, false>, false, DXGI_FORMAT_R32G32B32_FLOAT, 12 }, |
| { ©ToFloatVertexData<GLbyte, 4, false>, false, DXGI_FORMAT_R32G32B32A32_FLOAT, 16 }, |
| }, |
| { // normalized |
| { ©VertexData<GLbyte, 1, false, true>, true, DXGI_FORMAT_R8_SNORM, 1 }, |
| { ©VertexData<GLbyte, 2, false, true>, true, DXGI_FORMAT_R8G8_SNORM, 2 }, |
| { ©VertexData<GLbyte, 3, true, true>, false, DXGI_FORMAT_R8G8B8A8_SNORM, 4 }, |
| { ©VertexData<GLbyte, 4, false, true>, true, DXGI_FORMAT_R8G8B8A8_SNORM, 4 }, |
| }, |
| }, |
| { // GL_UNSIGNED_BYTE |
| { // unnormalized |
| { ©ToFloatVertexData<GLubyte, 1, false>, false, DXGI_FORMAT_R32_FLOAT, 4 }, |
| { ©ToFloatVertexData<GLubyte, 2, false>, false, DXGI_FORMAT_R32G32_FLOAT, 8 }, |
| { ©ToFloatVertexData<GLubyte, 3, false>, false, DXGI_FORMAT_R32G32B32_FLOAT, 12 }, |
| { ©ToFloatVertexData<GLubyte, 4, false>, false, DXGI_FORMAT_R32G32B32A32_FLOAT, 16 }, |
| }, |
| { // normalized |
| { ©VertexData<GLubyte, 1, false, true>, true, DXGI_FORMAT_R8_UNORM, 1 }, |
| { ©VertexData<GLubyte, 2, false, true>, true, DXGI_FORMAT_R8G8_UNORM, 2 }, |
| { ©VertexData<GLubyte, 3, true, true>, false, DXGI_FORMAT_R8G8B8A8_UNORM, 4 }, |
| { ©VertexData<GLubyte, 4, false, true>, true, DXGI_FORMAT_R8G8B8A8_UNORM, 4 }, |
| }, |
| }, |
| { // GL_SHORT |
| { // unnormalized |
| { ©ToFloatVertexData<GLshort, 1, false>, false, DXGI_FORMAT_R32_FLOAT, 4 }, |
| { ©ToFloatVertexData<GLshort, 2, false>, false, DXGI_FORMAT_R32G32_FLOAT, 8 }, |
| { ©ToFloatVertexData<GLshort, 3, false>, false, DXGI_FORMAT_R32G32B32_FLOAT, 12 }, |
| { ©ToFloatVertexData<GLshort, 4, false>, false, DXGI_FORMAT_R32G32B32A32_FLOAT, 16 }, |
| }, |
| { // normalized |
| { ©VertexData<GLshort, 1, false, true>, true, DXGI_FORMAT_R16_SNORM, 2 }, |
| { ©VertexData<GLshort, 2, false, true>, true, DXGI_FORMAT_R16G16_SNORM, 4 }, |
| { ©VertexData<GLshort, 3, true, true>, false, DXGI_FORMAT_R16G16B16A16_SNORM, 8 }, |
| { ©VertexData<GLshort, 4, false, true>, true, DXGI_FORMAT_R16G16B16A16_SNORM, 8 }, |
| }, |
| }, |
| { // GL_UNSIGNED_SHORT |
| { // unnormalized |
| { ©ToFloatVertexData<GLushort, 1, false>, false, DXGI_FORMAT_R32_FLOAT, 4 }, |
| { ©ToFloatVertexData<GLushort, 2, false>, false, DXGI_FORMAT_R32G32_FLOAT, 8 }, |
| { ©ToFloatVertexData<GLushort, 3, false>, false, DXGI_FORMAT_R32G32B32_FLOAT, 12 }, |
| { ©ToFloatVertexData<GLushort, 4, false>, false, DXGI_FORMAT_R32G32B32A32_FLOAT, 16 }, |
| }, |
| { // normalized |
| { ©VertexData<GLushort, 1, false, true>, true, DXGI_FORMAT_R16_UNORM, 2 }, |
| { ©VertexData<GLushort, 2, false, true>, true, DXGI_FORMAT_R16G16_UNORM, 4 }, |
| { ©VertexData<GLushort, 3, true, true>, false, DXGI_FORMAT_R16G16B16A16_UNORM, 8 }, |
| { ©VertexData<GLushort, 4, false, true>, true, DXGI_FORMAT_R16G16B16A16_UNORM, 8 }, |
| }, |
| }, |
| { // GL_FIXED |
| { // unnormalized |
| { ©FixedVertexData<1>, false, DXGI_FORMAT_R32_FLOAT, 4 }, |
| { ©FixedVertexData<2>, false, DXGI_FORMAT_R32G32_FLOAT, 8 }, |
| { ©FixedVertexData<3>, false, DXGI_FORMAT_R32G32B32_FLOAT, 12 }, |
| { ©FixedVertexData<4>, false, DXGI_FORMAT_R32G32B32A32_FLOAT, 16 }, |
| }, |
| { // normalized |
| { ©FixedVertexData<1>, false, DXGI_FORMAT_R32_FLOAT, 4 }, |
| { ©FixedVertexData<2>, false, DXGI_FORMAT_R32G32_FLOAT, 8 }, |
| { ©FixedVertexData<3>, false, DXGI_FORMAT_R32G32B32_FLOAT, 12 }, |
| { ©FixedVertexData<4>, false, DXGI_FORMAT_R32G32B32A32_FLOAT, 16 }, |
| }, |
| }, |
| { // GL_FLOAT |
| { // unnormalized |
| { ©VertexData<GLfloat, 1, false, false>, true, DXGI_FORMAT_R32_FLOAT, 4 }, |
| { ©VertexData<GLfloat, 2, false, false>, true, DXGI_FORMAT_R32G32_FLOAT, 8 }, |
| { ©VertexData<GLfloat, 3, false, false>, true, DXGI_FORMAT_R32G32B32_FLOAT, 12 }, |
| { ©VertexData<GLfloat, 4, false, false>, true, DXGI_FORMAT_R32G32B32A32_FLOAT, 16 }, |
| }, |
| { // normalized |
| { ©VertexData<GLfloat, 1, false, false>, true, DXGI_FORMAT_R32_FLOAT, 4 }, |
| { ©VertexData<GLfloat, 2, false, false>, true, DXGI_FORMAT_R32G32_FLOAT, 8 }, |
| { ©VertexData<GLfloat, 3, false, false>, true, DXGI_FORMAT_R32G32B32_FLOAT, 12 }, |
| { ©VertexData<GLfloat, 4, false, false>, true, DXGI_FORMAT_R32G32B32A32_FLOAT, 16 }, |
| }, |
| }, |
| }; |
| |
| const VertexBuffer11::VertexConverter &VertexBuffer11::getVertexConversion(const gl::VertexAttribute &attribute) |
| { |
| unsigned int typeIndex = 0; |
| switch (attribute.mType) |
| { |
| case GL_BYTE: typeIndex = 0; break; |
| case GL_UNSIGNED_BYTE: typeIndex = 1; break; |
| case GL_SHORT: typeIndex = 2; break; |
| case GL_UNSIGNED_SHORT: typeIndex = 3; break; |
| case GL_FIXED: typeIndex = 4; break; |
| case GL_FLOAT: typeIndex = 5; break; |
| default: UNREACHABLE(); break; |
| } |
| |
| return mPossibleTranslations[typeIndex][attribute.mNormalized ? 1 : 0][attribute.mSize - 1]; |
| } |
| |
| } |