diff options
Diffstat (limited to 'chromium/third_party/angle/src/libGLESv2/renderer/IndexBuffer11.cpp')
| -rw-r--r-- | chromium/third_party/angle/src/libGLESv2/renderer/IndexBuffer11.cpp | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/chromium/third_party/angle/src/libGLESv2/renderer/IndexBuffer11.cpp b/chromium/third_party/angle/src/libGLESv2/renderer/IndexBuffer11.cpp deleted file mode 100644 index 66604c45582..00000000000 --- a/chromium/third_party/angle/src/libGLESv2/renderer/IndexBuffer11.cpp +++ /dev/null @@ -1,183 +0,0 @@ -#include "precompiled.h" -// -// Copyright (c) 2012 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. -// - -// IndexBuffer11.cpp: Defines the D3D11 IndexBuffer implementation. - -#include "libGLESv2/renderer/IndexBuffer11.h" -#include "libGLESv2/renderer/Renderer11.h" - -namespace rx -{ - -IndexBuffer11::IndexBuffer11(Renderer11 *const renderer) : mRenderer(renderer) -{ - mBuffer = NULL; - mBufferSize = 0; - mDynamicUsage = false; -} - -IndexBuffer11::~IndexBuffer11() -{ - if (mBuffer) - { - mBuffer->Release(); - mBuffer = NULL; - } -} - -bool IndexBuffer11::initialize(unsigned int bufferSize, GLenum indexType, bool dynamic) -{ - if (mBuffer) - { - mBuffer->Release(); - mBuffer = NULL; - } - - updateSerial(); - - if (bufferSize > 0) - { - ID3D11Device* dxDevice = mRenderer->getDevice(); - - D3D11_BUFFER_DESC bufferDesc; - bufferDesc.ByteWidth = bufferSize; - bufferDesc.Usage = D3D11_USAGE_DYNAMIC; - bufferDesc.BindFlags = D3D11_BIND_INDEX_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 = bufferSize; - mIndexType = indexType; - mDynamicUsage = dynamic; - - return true; -} - -IndexBuffer11 *IndexBuffer11::makeIndexBuffer11(IndexBuffer *indexBuffer) -{ - ASSERT(HAS_DYNAMIC_TYPE(IndexBuffer11*, indexBuffer)); - return static_cast<IndexBuffer11*>(indexBuffer); -} - -bool IndexBuffer11::mapBuffer(unsigned int offset, unsigned int size, void** outMappedMemory) -{ - if (mBuffer) - { - // Check for integer overflows and out-out-bounds map requests - if (offset + size < offset || offset + size > mBufferSize) - { - ERR("Index buffer map range is not inside the buffer."); - return false; - } - - 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("Index buffer map failed with error 0x%08x", result); - return false; - } - - *outMappedMemory = reinterpret_cast<char*>(mappedResource.pData) + offset; - return true; - } - else - { - ERR("Index buffer not initialized."); - return false; - } -} - -bool IndexBuffer11::unmapBuffer() -{ - if (mBuffer) - { - ID3D11DeviceContext *dxContext = mRenderer->getDeviceContext(); - dxContext->Unmap(mBuffer, 0); - return true; - } - else - { - ERR("Index buffer not initialized."); - return false; - } -} - -GLenum IndexBuffer11::getIndexType() const -{ - return mIndexType; -} - -unsigned int IndexBuffer11::getBufferSize() const -{ - return mBufferSize; -} - -bool IndexBuffer11::setSize(unsigned int bufferSize, GLenum indexType) -{ - if (bufferSize > mBufferSize || indexType != mIndexType) - { - return initialize(bufferSize, indexType, mDynamicUsage); - } - else - { - return true; - } -} - -bool IndexBuffer11::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("Index buffer map failed with error 0x%08x", result); - return false; - } - - dxContext->Unmap(mBuffer, 0); - - return true; - } - else - { - ERR("Index buffer not initialized."); - return false; - } -} - -DXGI_FORMAT IndexBuffer11::getIndexFormat() const -{ - switch (mIndexType) - { - case GL_UNSIGNED_BYTE: return DXGI_FORMAT_R16_UINT; - case GL_UNSIGNED_SHORT: return DXGI_FORMAT_R16_UINT; - case GL_UNSIGNED_INT: return DXGI_FORMAT_R32_UINT; - default: UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; - } -} - -ID3D11Buffer *IndexBuffer11::getBuffer() const -{ - return mBuffer; -} - -}
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