The Tor Browser / file comparison
comparison: gfx/angle/src/libGLESv2/renderer/RenderStateCache.h
gfx/angle/src/libGLESv2/renderer/RenderStateCache.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
replaced
| -1:000000000000 | 0:d7a48ed3e003 |
|---|---|
| 1 // | |
| 2 // Copyright (c) 2012-2013 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 // RenderStateCache.h: Defines rx::RenderStateCache, a cache of Direct3D render | |
| 8 // state objects. | |
| 9 | |
| 10 #ifndef LIBGLESV2_RENDERER_RENDERSTATECACHE_H_ | |
| 11 #define LIBGLESV2_RENDERER_RENDERSTATECACHE_H_ | |
| 12 | |
| 13 #include "libGLESv2/angletypes.h" | |
| 14 #include "common/angleutils.h" | |
| 15 | |
| 16 namespace rx | |
| 17 { | |
| 18 | |
| 19 class RenderStateCache | |
| 20 { | |
| 21 public: | |
| 22 RenderStateCache(); | |
| 23 virtual ~RenderStateCache(); | |
| 24 | |
| 25 void initialize(ID3D11Device *device); | |
| 26 void clear(); | |
| 27 | |
| 28 // Increments refcount on the returned blend state, Release() must be called. | |
| 29 ID3D11BlendState *getBlendState(const gl::BlendState &blendState); | |
| 30 ID3D11RasterizerState *getRasterizerState(const gl::RasterizerState &rasterState, | |
| 31 bool scissorEnabled, unsigned int depthSize); | |
| 32 ID3D11DepthStencilState *getDepthStencilState(const gl::DepthStencilState &dsState); | |
| 33 ID3D11SamplerState *getSamplerState(const gl::SamplerState &samplerState); | |
| 34 | |
| 35 private: | |
| 36 DISALLOW_COPY_AND_ASSIGN(RenderStateCache); | |
| 37 | |
| 38 unsigned long long mCounter; | |
| 39 | |
| 40 // Blend state cache | |
| 41 static std::size_t hashBlendState(const gl::BlendState &blendState); | |
| 42 static bool compareBlendStates(const gl::BlendState &a, const gl::BlendState &b); | |
| 43 static const unsigned int kMaxBlendStates; | |
| 44 | |
| 45 typedef std::size_t (*BlendStateHashFunction)(const gl::BlendState &); | |
| 46 typedef bool (*BlendStateEqualityFunction)(const gl::BlendState &, const gl::BlendState &); | |
| 47 typedef std::pair<ID3D11BlendState*, unsigned long long> BlendStateCounterPair; | |
| 48 typedef std::unordered_map<gl::BlendState, BlendStateCounterPair, BlendStateHashFunction, BlendStateEqualityFunction> BlendStateMap; | |
| 49 BlendStateMap mBlendStateCache; | |
| 50 | |
| 51 // Rasterizer state cache | |
| 52 struct RasterizerStateKey | |
| 53 { | |
| 54 gl::RasterizerState rasterizerState; | |
| 55 bool scissorEnabled; | |
| 56 unsigned int depthSize; | |
| 57 }; | |
| 58 static std::size_t hashRasterizerState(const RasterizerStateKey &rasterState); | |
| 59 static bool compareRasterizerStates(const RasterizerStateKey &a, const RasterizerStateKey &b); | |
| 60 static const unsigned int kMaxRasterizerStates; | |
| 61 | |
| 62 typedef std::size_t (*RasterizerStateHashFunction)(const RasterizerStateKey &); | |
| 63 typedef bool (*RasterizerStateEqualityFunction)(const RasterizerStateKey &, const RasterizerStateKey &); | |
| 64 typedef std::pair<ID3D11RasterizerState*, unsigned long long> RasterizerStateCounterPair; | |
| 65 typedef std::unordered_map<RasterizerStateKey, RasterizerStateCounterPair, RasterizerStateHashFunction, RasterizerStateEqualityFunction> RasterizerStateMap; | |
| 66 RasterizerStateMap mRasterizerStateCache; | |
| 67 | |
| 68 // Depth stencil state cache | |
| 69 static std::size_t hashDepthStencilState(const gl::DepthStencilState &dsState); | |
| 70 static bool compareDepthStencilStates(const gl::DepthStencilState &a, const gl::DepthStencilState &b); | |
| 71 static const unsigned int kMaxDepthStencilStates; | |
| 72 | |
| 73 typedef std::size_t (*DepthStencilStateHashFunction)(const gl::DepthStencilState &); | |
| 74 typedef bool (*DepthStencilStateEqualityFunction)(const gl::DepthStencilState &, const gl::DepthStencilState &); | |
| 75 typedef std::pair<ID3D11DepthStencilState*, unsigned long long> DepthStencilStateCounterPair; | |
| 76 typedef std::unordered_map<gl::DepthStencilState, | |
| 77 DepthStencilStateCounterPair, | |
| 78 DepthStencilStateHashFunction, | |
| 79 DepthStencilStateEqualityFunction> DepthStencilStateMap; | |
| 80 DepthStencilStateMap mDepthStencilStateCache; | |
| 81 | |
| 82 // Sample state cache | |
| 83 static std::size_t hashSamplerState(const gl::SamplerState &samplerState); | |
| 84 static bool compareSamplerStates(const gl::SamplerState &a, const gl::SamplerState &b); | |
| 85 static const unsigned int kMaxSamplerStates; | |
| 86 | |
| 87 typedef std::size_t (*SamplerStateHashFunction)(const gl::SamplerState &); | |
| 88 typedef bool (*SamplerStateEqualityFunction)(const gl::SamplerState &, const gl::SamplerState &); | |
| 89 typedef std::pair<ID3D11SamplerState*, unsigned long long> SamplerStateCounterPair; | |
| 90 typedef std::unordered_map<gl::SamplerState, | |
| 91 SamplerStateCounterPair, | |
| 92 SamplerStateHashFunction, | |
| 93 SamplerStateEqualityFunction> SamplerStateMap; | |
| 94 SamplerStateMap mSamplerStateCache; | |
| 95 | |
| 96 ID3D11Device *mDevice; | |
| 97 }; | |
| 98 | |
| 99 } | |
| 100 | |
| 101 #endif // LIBGLESV2_RENDERER_RENDERSTATECACHE_H_ |
