GPU Program Caching

gpu/command_buffer/service/shader_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_
 
 #include <string>
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
@@ skipping 45 matching lines @@
     }
 
     const std::string* translated_source() const {
       return translated_source_.get();
     }
 
     void SetStatus(
         bool valid, const char* log,
         ShaderTranslatorInterface* translator);
 
+    void set_pending_compilation(bool pending_cache_miss_compilation);
+
     const VariableInfo* GetAttribInfo(const std::string& name) const;
     const VariableInfo* GetUniformInfo(const std::string& name) const;
 
     // If the original_name is not found, return NULL.
     const std::string* GetAttribMappedName(
         const std::string& original_name) const;
 
     const std::string* log_info() const {
       return log_info_.get();
     }
 
     bool IsValid() const {
       return valid_;
     }
 
     bool IsDeleted() const {
       return service_id_ == 0;
     }
 
     bool InUse() const {
       DCHECK_GE(use_count_, 0);
       return use_count_ != 0;
     }
 
+    bool IsPendingCacheMissCompilation() const {
+      return pending_cache_miss_compilation_;
+    }
+
+    // Used by shader cache.
+    const ShaderTranslator::VariableMap& attrib_map() const {
+      return attrib_map_;
+    }
+
+    // Used by shader cache.
+    const ShaderTranslator::VariableMap& uniform_map() const {
+      return uniform_map_;
+    }
+
+    // Used by shader cache.
+    void SetAttribMap(const ShaderTranslator::VariableMap& attrib_map) {
+      // copied because cache might be cleared
+      attrib_map_ = ShaderTranslator::VariableMap(attrib_map);
+    }
+
+    // Used by shader cache.
+    void SetUniformMap(const ShaderTranslator::VariableMap& uniform_map) {
+      // copied because cache might be cleared
+      uniform_map_ = ShaderTranslator::VariableMap(uniform_map);
+    }
+
    private:
     typedef ShaderTranslator::VariableMap VariableMap;
 
     friend class base::RefCounted<ShaderInfo>;
     friend class ShaderManager;
 
     ShaderInfo(GLuint service_id, GLenum shader_type);
     ~ShaderInfo();
 
     void IncUseCount();
@@ skipping 15 matching lines @@
 
     // The translated shader source.
     scoped_ptr<std::string> translated_source_;
 
     // The shader translation log.
     scoped_ptr<std::string> log_info_;
 
     // The type info when the shader was last compiled.
     VariableMap attrib_map_;
     VariableMap uniform_map_;
+
+    // If compilation was delayed for possible cache hit
+    bool pending_cache_miss_compilation_;
   };
 
   ShaderManager();
   ~ShaderManager();
 
   // Must call before destruction.
   void Destroy(bool have_context);
 
   // Creates a shader info for the given shader ID.
   ShaderInfo* CreateShaderInfo(
@@ skipping 28 matching lines @@
   void RemoveShaderInfoIfUnused(ShaderInfo* info);
 
   DISALLOW_COPY_AND_ASSIGN(ShaderManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_