1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
// 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>;
// Notified everytime an entry is added to the cache.
class GPU_GLES2_EXPORT ValueAddedHook {
public:
virtual void OnValueAddedToCache(const Key& key, const Value& value) = 0;
protected:
virtual ~ValueAddedHook() = default;
};
PassthroughProgramCache(size_t max_cache_size_bytes,
bool disable_gpu_shader_disk_cache,
ValueAddedHook* value_added_hook = nullptr);
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);
void Set(Key&& key, Value&& value);
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_;
// TODO(crbug.com/1132792): Change this into raw_ptr<...>, after
// investigating an earlier crash report most likely caused by a
// use-after-move.
RAW_PTR_EXCLUSION PassthroughProgramCache* program_cache_;
};
void ClearBackend() override;
bool CacheEnabled() const;
const ProgramCacheValue* Get(const Key& key);
EGLsizeiANDROID BlobCacheGetImpl(const void* key,
EGLsizeiANDROID key_size,
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_);
raw_ptr<ValueAddedHook> value_added_hook_;
// 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_
|
