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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef GPU_COMMAND_BUFFER_SERVICE_MEMORY_PROGRAM_CACHE_H_ | |
| 6 #define GPU_COMMAND_BUFFER_SERVICE_MEMORY_PROGRAM_CACHE_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/hash_tables.h" | |
| 12 #include "base/memory/ref_counted.h" | |
| 13 #include "base/memory/scoped_ptr.h" | |
| 14 #include "gpu/command_buffer/service/program_cache.h" | |
| 15 #include "gpu/command_buffer/service/program_cache_lru_helper.h" | |
| 16 #include "gpu/command_buffer/service/shader_translator.h" | |
| 17 | |
| 18 namespace gpu { | |
| 19 namespace gles2 { | |
| 20 | |
| 21 // Program cache that stores binaries completely in-memory | |
| 22 class GPU_EXPORT MemoryProgramCache : public ProgramCache { | |
| 23 public: | |
| 24 static const size_t kDefaultMaxProgramCacheMemoryBytes = 6 * 1024 * 1024; | |
| 25 | |
| 26 MemoryProgramCache(); | |
| 27 explicit MemoryProgramCache(const size_t max_cache_size_bytes); | |
| 28 virtual ~MemoryProgramCache(); | |
| 29 | |
| 30 virtual ProgramLoadResult LoadLinkedProgram( | |
| 31 GLuint program, | |
| 32 ShaderManager::ShaderInfo* shader_a, | |
| 33 ShaderManager::ShaderInfo* shader_b, | |
| 34 const LocationMap* bind_attrib_location_map) const OVERRIDE; | |
| 35 virtual void SaveLinkedProgram( | |
| 36 GLuint program, | |
| 37 const ShaderManager::ShaderInfo* shader_a, | |
| 38 const ShaderManager::ShaderInfo* shader_b, | |
| 39 const LocationMap* bind_attrib_location_map) OVERRIDE; | |
| 40 | |
| 41 private: | |
| 42 virtual void ClearBackend() OVERRIDE; | |
| 43 | |
| 44 struct ProgramCacheValue : public base::RefCounted<ProgramCacheValue> { | |
| 45 public: | |
| 46 ProgramCacheValue(GLsizei _length, | |
| 47 GLenum _format, | |
| 48 const char* _data, | |
| 49 const char* _shader_0_hash, | |
| 50 const ShaderTranslator::VariableMap& _attrib_map_0, | |
| 51 const ShaderTranslator::VariableMap& _uniform_map_0, | |
| 52 const char* _shader_1_hash, | |
| 53 const ShaderTranslator::VariableMap& _attrib_map_1, | |
| 54 const ShaderTranslator::VariableMap& _uniform_map_1); | |
| 55 const GLsizei length; | |
| 56 const GLenum format; | |
| 57 const scoped_array<const char> data; | |
| 58 const std::string shader_0_hash; | |
| 59 const ShaderTranslator::VariableMap attrib_map_0; | |
| 60 const ShaderTranslator::VariableMap uniform_map_0; | |
| 61 const std::string shader_1_hash; | |
| 62 const ShaderTranslator::VariableMap attrib_map_1; | |
| 63 const ShaderTranslator::VariableMap uniform_map_1; | |
| 64 | |
| 65 protected: | |
| 66 friend class base::RefCounted<ProgramCacheValue>; | |
| 67 | |
| 68 ~ProgramCacheValue(); | |
| 69 | |
| 70 private: | |
| 71 DISALLOW_COPY_AND_ASSIGN(ProgramCacheValue); | |
| 72 }; | |
| 73 | |
| 74 typedef base::hash_map<std::string, | |
| 75 scoped_refptr<ProgramCacheValue> > StoreMap; | |
| 76 | |
| 77 const size_t max_size_bytes_; | |
| 78 size_t curr_size_bytes_; | |
| 79 StoreMap store_; | |
| 80 ProgramCacheLruHelper eviction_helper_; | |
| 81 | |
| 82 DISALLOW_COPY_AND_ASSIGN(MemoryProgramCache); | |
| 83 }; | |
| 84 | |
| 85 } // namespace gles2 | |
| 86 } // namespace gpu | |
| 87 | |
| 88 #endif // GPU_COMMAND_BUFFER_SERVICE_MEMORY_PROGRAM_CACHE_H_ | |
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Chromium Code Reviews
Issue 10795037:
Revert 147328 - Current status of patch: (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/