1 files changed, 106 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/Buffer11.h b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/Buffer11.h
new file mode 100644
index 0000000000..e56be247c4
--- /dev/null
+++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/Buffer11.h
@@ -0,0 +1,106 @@
+//
+// 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 LIBGLESV2_RENDERER_BUFFER11_H_
+#define LIBGLESV2_RENDERER_BUFFER11_H_
+
+#include "libGLESv2/renderer/d3d/BufferD3D.h"
+#include "libGLESv2/renderer/d3d/MemoryBuffer.h"
+#include "libGLESv2/angletypes.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,
+};
+
+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(rx::Renderer11 *renderer);
+    virtual ~Buffer11();
+
+    static Buffer11 *makeBuffer11(BufferImpl *buffer);
+
+    ID3D11Buffer *getBuffer(BufferUsage usage);
+    ID3D11ShaderResourceView *getSRV(DXGI_FORMAT srvFormat);
+    bool isMapped() const { return mMappedStorage != NULL; }
+    void packPixels(ID3D11Texture2D *srcTexure, UINT srcSubresource, const PackPixelsParams &params);
+
+    // BufferD3D implementation
+    virtual size_t getSize() const { return mSize; }
+    virtual void clear();
+    virtual bool supportsDirectBinding() const { return true; }
+    virtual Renderer* getRenderer();
+
+    // BufferImpl implementation
+    virtual void setData(const void* data, size_t size, GLenum usage);
+    virtual void *getData();
+    virtual void setSubData(const void* data, size_t size, size_t offset);
+    virtual void copySubData(BufferImpl* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size);
+    virtual GLvoid* map(size_t offset, size_t length, GLbitfield access);
+    virtual void unmap();
+    virtual void markTransformFeedbackUsage();
+
+  private:
+    DISALLOW_COPY_AND_ASSIGN(Buffer11);
+
+    class BufferStorage11;
+    class NativeBuffer11;
+    class PackStorage11;
+
+    rx::Renderer11 *mRenderer;
+    size_t mSize;
+
+    BufferStorage11 *mMappedStorage;
+
+    std::map<BufferUsage, BufferStorage11*> mBufferStorages;
+
+    typedef std::pair<ID3D11Buffer *, ID3D11ShaderResourceView *> BufferSRVPair;
+    std::map<DXGI_FORMAT, BufferSRVPair> mBufferResourceViews;
+
+    MemoryBuffer mResolvedData;
+    DataRevision mResolvedDataRevision;
+    unsigned int mReadUsageCount;
+
+    void markBufferUsage();
+    NativeBuffer11 *getStagingBuffer();
+    PackStorage11 *getPackStorage();
+
+    BufferStorage11 *getBufferStorage(BufferUsage usage);
+    BufferStorage11 *getLatestBufferStorage() const;
+};
+
+}
+
+#endif // LIBGLESV2_RENDERER_BUFFER11_H_