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// Copyright 2017 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_PASSTHROUGH_PROGRAM_CACHE_H_
#define GPU_COMMAND_BUFFER_SERVICE_PASSTHROUGH_PROGRAM_CACHE_H_
#include <mutex>
#include "base/containers/lru_cache.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/raw_ptr_exclusion.h"
#include "gpu/command_buffer/service/decoder_context.h"
#include "gpu/command_buffer/service/program_cache.h"
#include "ui/gl/gl_bindings.h"
namespace gpu {
namespace gles2 {
// Program cache that stores binaries in memory, with the ability to serialize
// them for disk storage. It also acts as generic blob cache for the underlying
// implementation via the blob cache extension.
class GPU_GLES2_EXPORT PassthroughProgramCache : public ProgramCache {
public:
using Key = std::vector<uint8_t>;
using Value = std::vector<uint8_t>;
PassthroughProgramCache(size_t max_cache_size_bytes,
bool disable_gpu_shader_disk_cache);
PassthroughProgramCache(const PassthroughProgramCache&) = delete;
PassthroughProgramCache& operator=(const PassthroughProgramCache&) = delete;
~PassthroughProgramCache() 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;
static void BlobCacheSet(const void* key,
EGLsizeiANDROID key_size,
const void* value,
EGLsizeiANDROID value_size);
static EGLsizeiANDROID BlobCacheGet(const void* key,
EGLsizeiANDROID key_size,
void* value,
EGLsizeiANDROID value_size);
size_t Get(const Key& key, void* out_value, size_t value_size);
void Set(Key&& key, Value&& value, CacheProgramCallback callback);
private:
class ProgramCacheValue {
public:
ProgramCacheValue(Value&& program_blob,
PassthroughProgramCache* program_cache);
ProgramCacheValue(const ProgramCacheValue&) = delete;
ProgramCacheValue& operator=(const ProgramCacheValue&) = delete;
~ProgramCacheValue();
ProgramCacheValue(ProgramCacheValue&& other);
ProgramCacheValue& operator=(ProgramCacheValue&& other);
const Value& data() const { return program_blob_; }
private:
Value program_blob_;
// RAW_PTR_EXCLUSION: Performance (motionmark_ramp_composite_ganesh
// regression).
RAW_PTR_EXCLUSION PassthroughProgramCache* program_cache_;
};
void ClearBackend() override;
bool CacheEnabled() const;
EGLsizeiANDROID BlobCacheGetImpl(const void* key,
EGLsizeiANDROID key_size,
void* value,
EGLsizeiANDROID value_size);
void BlobCacheSetImpl(const void* key,
EGLsizeiANDROID key_size,
const void* value,
EGLsizeiANDROID value_size);
friend class ProgramCacheValue;
typedef base::LRUCache<Key, ProgramCacheValue> ProgramLRUCache;
const bool disable_gpu_shader_disk_cache_;
size_t curr_size_bytes_;
ProgramLRUCache store_ GUARDED_BY(lock_);
// TODO(syoussefi): take compression from memory_program_cache, see
// compress_program_binaries_
};
} // namespace gles2
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_PASSTHROUGH_PROGRAM_CACHE_H_
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