VertexDeclarationCache.h (1799B)
1 // 2 // Copyright 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 // VertexDeclarationCache.h: Defines a helper class to construct and cache vertex declarations. 8 9 #ifndef LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_ 10 #define LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_ 11 12 #include "libANGLE/Error.h" 13 #include "libANGLE/renderer/d3d/VertexDataManager.h" 14 15 namespace gl 16 { 17 class VertexDataManager; 18 class Program; 19 } // namespace gl 20 21 namespace rx 22 { 23 class VertexDeclarationCache 24 { 25 public: 26 VertexDeclarationCache(); 27 ~VertexDeclarationCache(); 28 29 angle::Result applyDeclaration(const gl::Context *context, 30 IDirect3DDevice9 *device, 31 const std::vector<TranslatedAttribute> &attributes, 32 gl::Program *program, 33 GLint start, 34 GLsizei instances, 35 GLsizei *repeatDraw); 36 37 void markStateDirty(); 38 39 private: 40 UINT mMaxLru; 41 42 enum 43 { 44 NUM_VERTEX_DECL_CACHE_ENTRIES = 32 45 }; 46 47 struct VBData 48 { 49 unsigned int serial; 50 unsigned int stride; 51 unsigned int offset; 52 }; 53 54 VBData mAppliedVBs[gl::MAX_VERTEX_ATTRIBS]; 55 IDirect3DVertexDeclaration9 *mLastSetVDecl; 56 bool mInstancingEnabled; 57 58 struct VertexDeclCacheEntry 59 { 60 D3DVERTEXELEMENT9 cachedElements[gl::MAX_VERTEX_ATTRIBS + 1]; 61 UINT lruCount; 62 IDirect3DVertexDeclaration9 *vertexDeclaration; 63 } mVertexDeclCache[NUM_VERTEX_DECL_CACHE_ENTRIES]; 64 }; 65 66 } // namespace rx 67 68 #endif // LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_