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// Copyright 2012 The Chromium Authors
// 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 <stddef.h>
#include <array>
#include <map>
#include <memory>
#include <string>
#include "base/containers/lru_cache.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "gpu/command_buffer/service/decoder_client.h"
#include "gpu/command_buffer/service/program_cache.h"
#include "gpu/command_buffer/service/shader_translator.h"
namespace gpu {
class GpuProcessShmCount;
namespace gles2 {
// Program cache that stores binaries completely in-memory
class GPU_GLES2_EXPORT MemoryProgramCache : public ProgramCache {
public:
MemoryProgramCache(size_t max_cache_size_bytes,
bool disable_gpu_shader_disk_cache,
bool disable_program_caching_for_transform_feedback,
GpuProcessShmCount* use_shader_cache_shm_count);
MemoryProgramCache(const MemoryProgramCache&) = delete;
MemoryProgramCache& operator=(const MemoryProgramCache&) = delete;
~MemoryProgramCache() override;
ProgramLoadResult LoadLinkedProgram(
GLuint program,
Shader* shader_a,
Shader* shader_b,
const LocationMap* bind_attrib_location_map,
const std::vector<std::string>& transform_feedback_varyings,
GLenum transform_feedback_buffer_mode,
DecoderClient* client) override;
void SaveLinkedProgram(
GLuint program,
const Shader* shader_a,
const Shader* shader_b,
const LocationMap* bind_attrib_location_map,
const std::vector<std::string>& transform_feedback_varyings,
GLenum transform_feedback_buffer_mode,
DecoderClient* client) override;
void LoadProgram(const std::string& key, const std::string& program) override;
size_t Trim(size_t limit) override;
private:
void ClearBackend() override;
class ProgramCacheValue : public base::RefCounted<ProgramCacheValue> {
public:
ProgramCacheValue(GLenum format,
std::vector<uint8_t> data,
bool is_compressed,
GLsizei decompressed_length,
HashView program_hash,
HashView shader_0_hash,
const AttributeMap& attrib_map_0,
const UniformMap& uniform_map_0,
const VaryingMap& varying_map_0,
const OutputVariableList& output_variable_list_0,
const InterfaceBlockMap& interface_block_map_0,
HashView shader_1_hash,
const AttributeMap& attrib_map_1,
const UniformMap& uniform_map_1,
const VaryingMap& varying_map_1,
const OutputVariableList& output_variable_list_1,
const InterfaceBlockMap& interface_block_map_1,
MemoryProgramCache* program_cache);
ProgramCacheValue(const ProgramCacheValue&) = delete;
ProgramCacheValue& operator=(const ProgramCacheValue&) = delete;
GLenum format() const {
return format_;
}
const std::vector<uint8_t>& data() const { return data_; }
bool is_compressed() const { return is_compressed_; }
GLsizei decompressed_length() const { return decompressed_length_; }
const Hash& shader_0_hash() const { return shader_0_hash_; }
const AttributeMap& attrib_map_0() const {
return attrib_map_0_;
}
const UniformMap& uniform_map_0() const {
return uniform_map_0_;
}
const VaryingMap& varying_map_0() const {
return varying_map_0_;
}
const OutputVariableList& output_variable_list_0() const {
return output_variable_list_0_;
}
const InterfaceBlockMap& interface_block_map_0() const {
return interface_block_map_0_;
}
const Hash& shader_1_hash() const { return shader_1_hash_; }
const AttributeMap& attrib_map_1() const {
return attrib_map_1_;
}
const UniformMap& uniform_map_1() const {
return uniform_map_1_;
}
const VaryingMap& varying_map_1() const {
return varying_map_1_;
}
const OutputVariableList& output_variable_list_1() const {
return output_variable_list_1_;
}
const InterfaceBlockMap& interface_block_map_1() const {
return interface_block_map_1_;
}
private:
friend class base::RefCounted<ProgramCacheValue>;
~ProgramCacheValue();
const GLenum format_;
const std::vector<uint8_t> data_;
const bool is_compressed_;
const GLsizei decompressed_length_;
const Hash program_hash_;
const Hash shader_0_hash_;
const AttributeMap attrib_map_0_;
const UniformMap uniform_map_0_;
const VaryingMap varying_map_0_;
const OutputVariableList output_variable_list_0_;
const InterfaceBlockMap interface_block_map_0_;
const Hash shader_1_hash_;
const AttributeMap attrib_map_1_;
const UniformMap uniform_map_1_;
const VaryingMap varying_map_1_;
const OutputVariableList output_variable_list_1_;
const InterfaceBlockMap interface_block_map_1_;
const raw_ptr<MemoryProgramCache> program_cache_;
};
friend class ProgramCacheValue;
using ProgramLRUCache =
base::LRUCache<Hash, scoped_refptr<ProgramCacheValue>>;
const bool disable_gpu_shader_disk_cache_;
const bool disable_program_caching_for_transform_feedback_;
const bool compress_program_binaries_;
size_t curr_size_bytes_;
ProgramLRUCache store_;
raw_ptr<GpuProcessShmCount> use_shader_cache_shm_count_;
};
} // namespace gles2
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_MEMORY_PROGRAM_CACHE_H_
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