1 files changed, 83 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/Clear11.h b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/Clear11.h
new file mode 100644
index 0000000000..0cb9a85a6d
--- /dev/null
+++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/Clear11.h
@@ -0,0 +1,83 @@
+//
+// 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.
+//
+
+// Clear11.h: Framebuffer clear utility class.
+
+#ifndef LIBGLESV2_RENDERER_CLEAR11_H_
+#define LIBGLESV2_RENDERER_CLEAR11_H_
+
+#include "libGLESv2/angletypes.h"
+
+namespace gl
+{
+class Framebuffer;
+}
+
+namespace rx
+{
+class Renderer11;
+class RenderTarget11;
+
+class Clear11
+{
+  public:
+    explicit Clear11(Renderer11 *renderer);
+    ~Clear11();
+
+    // Clears the framebuffer with the supplied clear parameters, assumes that the framebuffer is currently applied.
+    void clearFramebuffer(const gl::ClearParameters &clearParams, gl::Framebuffer *frameBuffer);
+
+  private:
+    Renderer11 *mRenderer;
+
+    struct ClearBlendInfo
+    {
+        bool maskChannels[D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT][4];
+    };
+    typedef bool (*ClearBlendInfoComparisonFunction)(const ClearBlendInfo&, const ClearBlendInfo &);
+    typedef std::map<ClearBlendInfo, ID3D11BlendState*, ClearBlendInfoComparisonFunction> ClearBlendStateMap;
+    ClearBlendStateMap mClearBlendStates;
+
+    struct MaskedRenderTarget
+    {
+        bool colorMask[4];
+        RenderTarget11 *renderTarget;
+    };
+
+    ID3D11BlendState *getBlendState(const std::vector<MaskedRenderTarget> &rts);
+
+    struct ClearShader
+    {
+        ID3D11InputLayout *inputLayout;
+        ID3D11VertexShader *vertexShader;
+        ID3D11PixelShader *pixelShader;
+    };
+    ClearShader mFloatClearShader;
+    ClearShader mUintClearShader;
+    ClearShader mIntClearShader;
+
+    template <unsigned int vsSize, unsigned int psSize>
+    static ClearShader CreateClearShader(ID3D11Device *device, DXGI_FORMAT colorType, const BYTE (&vsByteCode)[vsSize], const BYTE (&psByteCode)[psSize]);
+
+    struct ClearDepthStencilInfo
+    {
+        bool clearDepth;
+        bool clearStencil;
+        UINT8 stencilWriteMask;
+    };
+    typedef bool (*ClearDepthStencilInfoComparisonFunction)(const ClearDepthStencilInfo&, const ClearDepthStencilInfo &);
+    typedef std::map<ClearDepthStencilInfo, ID3D11DepthStencilState*, ClearDepthStencilInfoComparisonFunction> ClearDepthStencilStateMap;
+    ClearDepthStencilStateMap mClearDepthStencilStates;
+
+    ID3D11DepthStencilState *getDepthStencilState(const gl::ClearParameters &clearParams);
+
+    ID3D11Buffer *mVertexBuffer;
+    ID3D11RasterizerState *mRasterizerState;
+};
+
+}
+
+#endif // LIBGLESV2_RENDERER_CLEAR11_H_