michael@0: //
michael@0: // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // VertexBuffer11.h: Defines the D3D11 VertexBuffer implementation.
michael@0: 
michael@0: #ifndef LIBGLESV2_RENDERER_VERTEXBUFFER11_H_
michael@0: #define LIBGLESV2_RENDERER_VERTEXBUFFER11_H_
michael@0: 
michael@0: #include "libGLESv2/renderer/VertexBuffer.h"
michael@0: 
michael@0: namespace rx
michael@0: {
michael@0: class Renderer11;
michael@0: 
michael@0: class VertexBuffer11 : public VertexBuffer
michael@0: {
michael@0:   public:
michael@0:     explicit VertexBuffer11(rx::Renderer11 *const renderer);
michael@0:     virtual ~VertexBuffer11();
michael@0: 
michael@0:     virtual bool initialize(unsigned int size, bool dynamicUsage);
michael@0: 
michael@0:     static VertexBuffer11 *makeVertexBuffer11(VertexBuffer *vetexBuffer);
michael@0: 
michael@0:     virtual bool storeVertexAttributes(const gl::VertexAttribute &attrib, GLint start, GLsizei count, GLsizei instances,
michael@0:                                        unsigned int offset);
michael@0:     virtual bool storeRawData(const void* data, unsigned int size, unsigned int offset);
michael@0: 
michael@0:     virtual bool getSpaceRequired(const gl::VertexAttribute &attrib, GLsizei count, GLsizei instances,
michael@0:                                   unsigned int *outSpaceRequired) const;
michael@0: 
michael@0:     virtual bool requiresConversion(const gl::VertexAttribute &attrib) const;
michael@0: 
michael@0:     virtual unsigned int getBufferSize() const;
michael@0:     virtual bool setBufferSize(unsigned int size);
michael@0:     virtual bool discard();
michael@0: 
michael@0:     unsigned int getVertexSize(const gl::VertexAttribute &attrib) const;
michael@0:     DXGI_FORMAT getDXGIFormat(const gl::VertexAttribute &attrib) const;
michael@0: 
michael@0:     ID3D11Buffer *getBuffer() const;
michael@0: 
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(VertexBuffer11);
michael@0: 
michael@0:     rx::Renderer11 *const mRenderer;
michael@0: 
michael@0:     ID3D11Buffer *mBuffer;
michael@0:     unsigned int mBufferSize;
michael@0:     bool mDynamicUsage;
michael@0: 
michael@0:     typedef void (*VertexConversionFunction)(const void *, unsigned int, unsigned int, void *);
michael@0:     struct VertexConverter
michael@0:     {
michael@0:         VertexConversionFunction conversionFunc;
michael@0:         bool identity;
michael@0:         DXGI_FORMAT dxgiFormat;
michael@0:         unsigned int outputElementSize;
michael@0:     };
michael@0: 
michael@0:     enum { NUM_GL_VERTEX_ATTRIB_TYPES = 6 };
michael@0: 
michael@0:     // This table is used to generate mAttributeTypes.
michael@0:     static const VertexConverter mPossibleTranslations[NUM_GL_VERTEX_ATTRIB_TYPES][2][4]; // [GL types as enumerated by typeIndex()][normalized][size - 1]
michael@0: 
michael@0:     static const VertexConverter &getVertexConversion(const gl::VertexAttribute &attribute);
michael@0: };
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif // LIBGLESV2_RENDERER_VERTEXBUFFER11_H_