MemoryShaderCache.h (1724B)
1 // 2 // Copyright 2022 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 // MemoryShaderCache: Stores compiled shaders in memory so they don't 7 // always have to be re-compiled. Can be used in conjunction with the platform 8 // layer to warm up the cache from disk. 9 10 #ifndef LIBANGLE_MEMORY_SHADER_CACHE_H_ 11 #define LIBANGLE_MEMORY_SHADER_CACHE_H_ 12 13 #include <array> 14 15 #include "GLSLANG/ShaderLang.h" 16 #include "common/MemoryBuffer.h" 17 #include "libANGLE/BlobCache.h" 18 #include "libANGLE/Error.h" 19 20 namespace gl 21 { 22 class Context; 23 class Shader; 24 class ShaderState; 25 class ShCompilerInstance; 26 27 class MemoryShaderCache final : angle::NonCopyable 28 { 29 public: 30 explicit MemoryShaderCache(egl::BlobCache &blobCache); 31 ~MemoryShaderCache(); 32 33 // Helper method that serializes a shader. 34 angle::Result putShader(const Context *context, 35 const egl::BlobCache::Key &shaderHash, 36 const Shader *shader); 37 38 // Check the cache, and deserialize and load the shader if found. Evict existing hash if load 39 // fails. 40 angle::Result getShader(const Context *context, 41 Shader *shader, 42 const ShCompileOptions &compileOptions, 43 const ShCompilerInstance &compilerInstance, 44 egl::BlobCache::Key *hashOut); 45 46 // Empty the cache. 47 void clear(); 48 49 // Returns the maximum cache size in bytes. 50 size_t maxSize() const; 51 52 private: 53 egl::BlobCache &mBlobCache; 54 55 std::mutex mHistogramMutex; 56 }; 57 58 } // namespace gl 59 60 #endif // LIBANGLE_MEMORY_SHADER_CACHE_H_