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Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h')
-rw-r--r-- | src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h new file mode 100644 index 0000000000..39bafe880e --- /dev/null +++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/Buffer11.h @@ -0,0 +1,103 @@ +// +// Copyright 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. +// + +// Buffer11.h: Defines the rx::Buffer11 class which implements rx::BufferImpl via rx::BufferD3D. + +#ifndef LIBANGLE_RENDERER_D3D_D3D11_BUFFER11_H_ +#define LIBANGLE_RENDERER_D3D_D3D11_BUFFER11_H_ + +#include "libANGLE/angletypes.h" +#include "libANGLE/renderer/d3d/BufferD3D.h" + +namespace rx +{ +class Renderer11; + +enum BufferUsage +{ + BUFFER_USAGE_STAGING, + BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK, + BUFFER_USAGE_INDEX, + BUFFER_USAGE_PIXEL_UNPACK, + BUFFER_USAGE_PIXEL_PACK, + BUFFER_USAGE_UNIFORM, + BUFFER_USAGE_SYSTEM_MEMORY, +}; + +struct PackPixelsParams +{ + PackPixelsParams(); + PackPixelsParams(const gl::Rectangle &area, GLenum format, GLenum type, GLuint outputPitch, + const gl::PixelPackState &pack, ptrdiff_t offset); + + gl::Rectangle area; + GLenum format; + GLenum type; + GLuint outputPitch; + gl::Buffer *packBuffer; + gl::PixelPackState pack; + ptrdiff_t offset; +}; + +typedef size_t DataRevision; + +class Buffer11 : public BufferD3D +{ + public: + Buffer11(Renderer11 *renderer); + virtual ~Buffer11(); + + static Buffer11 *makeBuffer11(BufferImpl *buffer); + + ID3D11Buffer *getBuffer(BufferUsage usage); + ID3D11ShaderResourceView *getSRV(DXGI_FORMAT srvFormat); + bool isMapped() const { return mMappedStorage != NULL; } + gl::Error packPixels(ID3D11Texture2D *srcTexure, UINT srcSubresource, const PackPixelsParams ¶ms); + + // BufferD3D implementation + virtual size_t getSize() const { return mSize; } + virtual bool supportsDirectBinding() const; + + // BufferImpl implementation + virtual gl::Error setData(const void* data, size_t size, GLenum usage); + gl::Error getData(const uint8_t **outData) override; + virtual gl::Error setSubData(const void* data, size_t size, size_t offset); + virtual gl::Error copySubData(BufferImpl* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size); + virtual gl::Error map(size_t offset, size_t length, GLbitfield access, GLvoid **mapPtr); + virtual gl::Error unmap(); + virtual void markTransformFeedbackUsage(); + + private: + class BufferStorage; + class NativeStorage; + class PackStorage; + class SystemMemoryStorage; + + Renderer11 *mRenderer; + size_t mSize; + + BufferStorage *mMappedStorage; + + std::map<BufferUsage, BufferStorage*> mBufferStorages; + + typedef std::pair<ID3D11Buffer *, ID3D11ShaderResourceView *> BufferSRVPair; + std::map<DXGI_FORMAT, BufferSRVPair> mBufferResourceViews; + + unsigned int mReadUsageCount; + bool mHasSystemMemoryStorage; + + void markBufferUsage(); + NativeStorage *getStagingStorage(); + PackStorage *getPackStorage(); + gl::Error getSystemMemoryStorage(SystemMemoryStorage **storageOut); + + BufferStorage *getBufferStorage(BufferUsage usage); + BufferStorage *getLatestBufferStorage() const; +}; + +} + +#endif // LIBANGLE_RENDERER_D3D_D3D11_BUFFER11_H_ |