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 14namespace rx 15{ 16class Renderer11; 17 18class 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 bool getSpaceRequired(const gl::VertexAttribute &attrib, GLsizei count, GLsizei instances, 33 unsigned int *outSpaceRequired) const; 34 35 virtual bool requiresConversion(const gl::VertexAttribute &attrib) const; 36 37 virtual unsigned int getBufferSize() const; 38 virtual bool setBufferSize(unsigned int size); 39 virtual bool discard(); 40 41 unsigned int getVertexSize(const gl::VertexAttribute &attrib) const; 42 DXGI_FORMAT getDXGIFormat(const gl::VertexAttribute &attrib) const; 43 44 ID3D11Buffer *getBuffer() const; 45 46 private: 47 DISALLOW_COPY_AND_ASSIGN(VertexBuffer11); 48 49 rx::Renderer11 *const mRenderer; 50 51 ID3D11Buffer *mBuffer; 52 unsigned int mBufferSize; 53 bool mDynamicUsage; 54 55 typedef void (*VertexConversionFunction)(const void *, unsigned int, unsigned int, void *); 56 struct VertexConverter 57 { 58 VertexConversionFunction conversionFunc; 59 bool identity; 60 DXGI_FORMAT dxgiFormat; 61 unsigned int outputElementSize; 62 }; 63 64 enum { NUM_GL_VERTEX_ATTRIB_TYPES = 6 }; 65 66 // This table is used to generate mAttributeTypes. 67 static const VertexConverter mPossibleTranslations[NUM_GL_VERTEX_ATTRIB_TYPES][2][4]; // [GL types as enumerated by typeIndex()][normalized][size - 1] 68 69 static const VertexConverter &getVertexConversion(const gl::VertexAttribute &attribute); 70}; 71 72} 73 74#endif // LIBGLESV2_RENDERER_VERTEXBUFFER11_H_ 75