| // |
| // 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. |
| // |
| |
| // BufferStorage11.h Defines the BufferStorage11 class. |
| |
| #ifndef LIBGLESV2_RENDERER_BUFFERSTORAGE11_H_ |
| #define LIBGLESV2_RENDERER_BUFFERSTORAGE11_H_ |
| |
| #include "libGLESv2/renderer/BufferStorage.h" |
| |
| namespace rx |
| { |
| class Renderer; |
| class Renderer11; |
| class DirectBufferStorage11; |
| |
| enum BufferUsage |
| { |
| BUFFER_USAGE_STAGING = 0, |
| BUFFER_USAGE_VERTEX = 1, |
| BUFFER_USAGE_INDEX = 2, |
| BUFFER_USAGE_PIXEL_UNPACK = 3, |
| BUFFER_USAGE_UNIFORM = 4, |
| }; |
| |
| typedef size_t DataRevision; |
| |
| class BufferStorage11 : public BufferStorage |
| { |
| public: |
| explicit BufferStorage11(Renderer11 *renderer); |
| virtual ~BufferStorage11(); |
| |
| static BufferStorage11 *makeBufferStorage11(BufferStorage *bufferStorage); |
| |
| virtual void *getData(); |
| virtual void setData(const void* data, unsigned int size, unsigned int offset); |
| virtual void copyData(BufferStorage* sourceStorage, unsigned int size, |
| unsigned int sourceOffset, unsigned int destOffset); |
| virtual void clear(); |
| virtual unsigned int getSize() const; |
| virtual bool supportsDirectBinding() const; |
| |
| ID3D11Buffer *getBuffer(BufferUsage usage); |
| ID3D11ShaderResourceView *getSRV(DXGI_FORMAT srvFormat); |
| |
| private: |
| Renderer11 *mRenderer; |
| |
| std::map<BufferUsage, DirectBufferStorage11*> mDirectBuffers; |
| |
| typedef std::pair<ID3D11Buffer *, ID3D11ShaderResourceView *> BufferSRVPair; |
| std::map<DXGI_FORMAT, BufferSRVPair> mBufferResourceViews; |
| |
| std::vector<unsigned char> mResolvedData; |
| DataRevision mResolvedDataRevision; |
| |
| unsigned int mReadUsageCount; |
| unsigned int mWriteUsageCount; |
| |
| size_t mSize; |
| |
| void markBufferUsage(); |
| |
| DirectBufferStorage11 *getStorage(BufferUsage usage); |
| DirectBufferStorage11 *getLatestStorage() const; |
| }; |
| |
| // Each instance of BufferStorageD3DBuffer11 is specialized for a class of D3D binding points |
| // - vertex/transform feedback buffers |
| // - index buffers |
| // - pixel unpack buffers |
| // - uniform buffers |
| class DirectBufferStorage11 |
| { |
| public: |
| DirectBufferStorage11(Renderer11 *renderer, BufferUsage usage); |
| ~DirectBufferStorage11(); |
| |
| BufferUsage getUsage() const; |
| ID3D11Buffer *getD3DBuffer() const { return mDirectBuffer; } |
| size_t getSize() const {return mBufferSize; } |
| |
| bool copyFromStorage(DirectBufferStorage11 *source, size_t sourceOffset, size_t size, size_t destOffset); |
| void resize(size_t size, bool preserveData); |
| |
| DataRevision getDataRevision() const { return mRevision; } |
| void setDataRevision(DataRevision rev) { mRevision = rev; } |
| |
| private: |
| Renderer11 *mRenderer; |
| const BufferUsage mUsage; |
| DataRevision mRevision; |
| |
| ID3D11Buffer *mDirectBuffer; |
| size_t mBufferSize; |
| |
| static void fillBufferDesc(D3D11_BUFFER_DESC* bufferDesc, Renderer *renderer, BufferUsage usage, unsigned int bufferSize); |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_RENDERER_BUFFERSTORAGE11_H_ |