1 // 2 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 // VertexBuffer11.h: Defines the D3D11 VertexBuffer implementation. 8 9 #ifndef LIBGLESV2_RENDERER_VERTEXBUFFER11_H_ 10 #define LIBGLESV2_RENDERER_VERTEXBUFFER11_H_ 11 12 #include "libGLESv2/renderer/VertexBuffer.h" 13 14 namespace rx 15 { 16 class Renderer11; 17 18 class VertexBuffer11 : public VertexBuffer 19 { 20 public: 21 explicit VertexBuffer11(rx::Renderer11 *const renderer); 22 virtual ~VertexBuffer11(); 23 24 virtual bool initialize(unsigned int size, bool dynamicUsage); 25 26 static VertexBuffer11 *makeVertexBuffer11(VertexBuffer *vetexBuffer); 27 28 virtual bool storeVertexAttributes(const gl::VertexAttribute &attrib, GLint start, GLsizei count, GLsizei instances, 29 unsigned int offset); 30 virtual bool storeRawData(const void* data, unsigned int size, unsigned int offset); 31 32 virtual unsigned int getSpaceRequired(const gl::VertexAttribute &attrib, GLsizei count, GLsizei instances) const; 33 34 virtual bool requiresConversion(const gl::VertexAttribute &attrib) const; 35 36 virtual unsigned int getBufferSize() const; 37 virtual bool setBufferSize(unsigned int size); 38 virtual bool discard(); 39 40 unsigned int getVertexSize(const gl::VertexAttribute &attrib) const; 41 DXGI_FORMAT getDXGIFormat(const gl::VertexAttribute &attrib) const; 42 43 ID3D11Buffer *getBuffer() const; 44 45 private: 46 DISALLOW_COPY_AND_ASSIGN(VertexBuffer11); 47 48 rx::Renderer11 *const mRenderer; 49 50 ID3D11Buffer *mBuffer; 51 unsigned int mBufferSize; 52 bool mDynamicUsage; 53 54 typedef void (*VertexConversionFunction)(const void *, unsigned int, unsigned int, void *); 55 struct VertexConverter 56 { 57 VertexConversionFunction conversionFunc; 58 bool identity; 59 DXGI_FORMAT dxgiFormat; 60 unsigned int outputElementSize; 61 }; 62 63 enum { NUM_GL_VERTEX_ATTRIB_TYPES = 6 }; 64 65 // This table is used to generate mAttributeTypes. 66 static const VertexConverter mPossibleTranslations[NUM_GL_VERTEX_ATTRIB_TYPES][2][4]; // [GL types as enumerated by typeIndex()][normalized][size - 1] 67 68 static const VertexConverter &getVertexConversion(const gl::VertexAttribute &attribute); 69 }; 70 71 } 72 73 #endif // LIBGLESV2_RENDERER_VERTEXBUFFER11_H_
