| // |
| // Copyright (c) 2002-2012 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. |
| // |
| |
| // VertexBuffer9.h: Defines the D3D9 VertexBuffer implementation. |
| |
| #ifndef LIBGLESV2_RENDERER_VERTEXBUFFER9_H_ |
| #define LIBGLESV2_RENDERER_VERTEXBUFFER9_H_ |
| |
| #include "libGLESv2/renderer/VertexBuffer.h" |
| |
| namespace rx |
| { |
| class Renderer9; |
| |
| class VertexBuffer9 : public VertexBuffer |
| { |
| public: |
| explicit VertexBuffer9(rx::Renderer9 *const renderer); |
| virtual ~VertexBuffer9(); |
| |
| virtual bool initialize(unsigned int size, bool dynamicUsage); |
| |
| static VertexBuffer9 *makeVertexBuffer9(VertexBuffer *vertexBuffer); |
| |
| virtual bool storeVertexAttributes(const gl::VertexAttribute &attrib, GLint start, GLsizei count, GLsizei instances, |
| unsigned int offset); |
| virtual bool storeRawData(const void* data, unsigned int size, unsigned int offset); |
| |
| virtual unsigned int getSpaceRequired(const gl::VertexAttribute &attrib, GLsizei count, GLsizei instances) const; |
| |
| virtual bool requiresConversion(const gl::VertexAttribute &attrib) const; |
| |
| unsigned int getVertexSize(const gl::VertexAttribute &attrib) const; |
| D3DDECLTYPE getDeclType(const gl::VertexAttribute &attrib) const; |
| |
| virtual unsigned int getBufferSize() const; |
| virtual bool setBufferSize(unsigned int size); |
| virtual bool discard(); |
| |
| IDirect3DVertexBuffer9 *getBuffer() const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(VertexBuffer9); |
| |
| rx::Renderer9 *const mRenderer; |
| |
| IDirect3DVertexBuffer9 *mVertexBuffer; |
| unsigned int mBufferSize; |
| bool mDynamicUsage; |
| |
| // Attribute format conversion |
| enum { NUM_GL_VERTEX_ATTRIB_TYPES = 6 }; |
| |
| struct FormatConverter |
| { |
| bool identity; |
| std::size_t outputElementSize; |
| void (*convertArray)(const void *in, std::size_t stride, std::size_t n, void *out); |
| D3DDECLTYPE d3dDeclType; |
| }; |
| |
| static bool mTranslationsInitialized; |
| static void initializeTranslations(DWORD declTypes); |
| |
| // [GL types as enumerated by typeIndex()][normalized][size - 1] |
| static FormatConverter mFormatConverters[NUM_GL_VERTEX_ATTRIB_TYPES][2][4]; |
| |
| struct TranslationDescription |
| { |
| DWORD capsFlag; |
| FormatConverter preferredConversion; |
| FormatConverter fallbackConversion; |
| }; |
| |
| // This table is used to generate mFormatConverters. |
| // [GL types as enumerated by typeIndex()][normalized][size - 1] |
| static const TranslationDescription mPossibleTranslations[NUM_GL_VERTEX_ATTRIB_TYPES][2][4]; |
| |
| static unsigned int typeIndex(GLenum type); |
| static const FormatConverter &formatConverter(const gl::VertexAttribute &attribute); |
| |
| static unsigned int spaceRequired(const gl::VertexAttribute &attrib, std::size_t count, GLsizei instances); |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_RENDERER_VERTEXBUFFER9_H_ |