GPU Program Caching

gpu/command_buffer/service/memory_program_cache.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_MEMORY_program_cache_H_
+#define GPU_COMMAND_BUFFER_SERVICE_MEMORY_program_cache_H_
+
+#include "base/hash_tables.h"
+#include "gpu/command_buffer/service/program_cache.h"
+#include "gpu/command_buffer/service/shader_translator.h"
+#include "net/disk_cache/disk_cache.h"
+
+namespace gpu {
+namespace gles2 {
+
+struct StoreValue {
+  StoreValue() : length(0), format(0), data(NULL) { }
+  StoreValue(GLsizei _length,
+             GLenum _format,
+             GLvoid* _data,

[greggman, 2012/06/19 22:27:50]

const?

[dmurph, 2012/06/23 01:37:28]

Done.

+             ShaderTranslator::VariableMap& _attrib_map_0,

[greggman, 2012/06/19 22:27:50]

const?

[dmurph, 2012/06/23 01:37:28]

Done.

+             ShaderTranslator::VariableMap& _uniform_map_0,
+             ShaderTranslator::VariableMap& _attrib_map_1,
+             ShaderTranslator::VariableMap& _uniform_map_1)
+      : length(_length),
+        format(_format),
+        data(_data),
+        attrib_map_0(_attrib_map_0),
+        uniform_map_0(_uniform_map_0),
+        attrib_map_1(_attrib_map_1),
+        uniform_map_1(_uniform_map_1) { }
+  GLsizei length;
+  GLenum format;
+  GLvoid* data;
+  ShaderTranslator::VariableMap attrib_map_0;
+  ShaderTranslator::VariableMap uniform_map_0;
+  ShaderTranslator::VariableMap attrib_map_1;
+  ShaderTranslator::VariableMap uniform_map_1;
+};
+
+// Program cache that stores binaries completely in-memory
+class GPU_EXPORT MemoryProgramCache : public ProgramCache {
+ public:
+  typedef base::hash_map<CachedProgramKey,
+                         StoreValue,
+                         CachedProgramKeyHash,
+                         CachedProgramKeyEquals> store_map;

[greggman, 2012/06/19 22:27:50]

style: types are CamelCase

[dmurph, 2012/06/23 01:37:28]

Done.

+
+  MemoryProgramCache();
+  virtual ~MemoryProgramCache();
+
+  void LoadLinkedProgram(
+      GLuint program,
+      ShaderManager::ShaderInfo* shader_a,
+      ShaderManager::ShaderInfo* shader_b,
+      std::map<std::string, GLint>* bind_attrib_location_map) const;
+  void SaveLinkedProgram(
+      GLuint program,
+      ShaderManager::ShaderInfo* shader_a,

[greggman, 2012/06/19 22:27:50]

const?

[dmurph, 2012/06/23 01:37:28]

Done.

+      ShaderManager::ShaderInfo* shader_b,
+      std::map<std::string, GLint>* bind_attrib_location_map);

[greggman, 2012/06/19 22:27:50]

const?

[dmurph, 2012/06/23 01:37:28]

Done.

+
+ private:
+  store_map store_;
+
+  DISALLOW_COPY_AND_ASSIGN(MemoryProgramCache);
+};
+
+} // namespace gles2
+} // namespace gpu
+
+#endif /* GPU_COMMAND_BUFFER_SERVICE_MEMORY_program_cache_H_ */