1 files changed, 82 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/PixelTransfer11.h b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/PixelTransfer11.h
new file mode 100644
index 0000000000..2e2fee8f50
--- /dev/null
+++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/PixelTransfer11.h
@@ -0,0 +1,82 @@
+//
+// 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.
+//
+
+// PixelTransfer11.h:
+//   Buffer-to-Texture and Texture-to-Buffer data transfers.
+//   Used to implement pixel unpack and pixel pack buffers in ES3.
+
+#ifndef LIBGLESV2_PIXELTRANSFER11_H_
+#define LIBGLESV2_PIXELTRANSFER11_H_
+
+#include "common/platform.h"
+
+namespace gl
+{
+
+class Buffer;
+struct Box;
+struct Extents;
+struct PixelUnpackState;
+
+}
+
+namespace rx
+{
+class Renderer11;
+class RenderTarget;
+
+class PixelTransfer11
+{
+  public:
+    explicit PixelTransfer11(Renderer11 *renderer);
+    ~PixelTransfer11();
+
+    static bool supportsBufferToTextureCopy(GLenum internalFormat);
+
+    // unpack: the source buffer is stored in the unpack state, and buffer strides
+    // offset: the start of the data within the unpack buffer
+    // destRenderTarget: individual slice/layer of a target texture
+    // destinationFormat/sourcePixelsType: determines shaders + shader parameters
+    // destArea: the sub-section of destRenderTarget to copy to
+    bool copyBufferToTexture(const gl::PixelUnpackState &unpack, unsigned int offset, RenderTarget *destRenderTarget,
+                             GLenum destinationFormat, GLenum sourcePixelsType, const gl::Box &destArea);
+
+  private:
+
+    struct CopyShaderParams
+    {
+        unsigned int FirstPixelOffset;
+        unsigned int PixelsPerRow;
+        unsigned int RowStride;
+        unsigned int RowsPerSlice;
+        float PositionOffset[2];
+        float PositionScale[2];
+        int TexLocationOffset[2];
+        int TexLocationScale[2];
+    };
+
+    static void setBufferToTextureCopyParams(const gl::Box &destArea, const gl::Extents &destSize, GLenum internalFormat,
+                                             const gl::PixelUnpackState &unpack, unsigned int offset, CopyShaderParams *parametersOut);
+
+    void buildShaderMap();
+    ID3D11PixelShader *findBufferToTexturePS(GLenum internalFormat) const;
+
+    Renderer11 *mRenderer;
+
+    std::map<GLenum, ID3D11PixelShader *> mBufferToTexturePSMap;
+    ID3D11VertexShader *mBufferToTextureVS;
+    ID3D11GeometryShader *mBufferToTextureGS;
+    ID3D11Buffer *mParamsConstantBuffer;
+    CopyShaderParams mParamsData;
+
+    ID3D11RasterizerState *mCopyRasterizerState;
+    ID3D11DepthStencilState *mCopyDepthStencilState;
+
+};
+
+}
+
+#endif // LIBGLESV2_PIXELTRANSFER11_H_