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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
// Copyright 2018 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_CLIENT_IMPLEMENTATION_BASE_H_
#define GPU_COMMAND_BUFFER_CLIENT_IMPLEMENTATION_BASE_H_
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/trace_event/memory_dump_provider.h"
#include "gpu/command_buffer/client/client_transfer_cache.h"
#include "gpu/command_buffer/client/context_support.h"
#include "gpu/command_buffer/client/gles2_impl_export.h"
#include "gpu/command_buffer/client/gpu_control_client.h"
#include "gpu/command_buffer/client/query_tracker.h"
#include "gpu/command_buffer/client/transfer_buffer.h"
#include "gpu/command_buffer/common/capabilities.h"
#include "gpu/command_buffer/common/context_result.h"
class GrDirectContext;
namespace gpu {
namespace gles2 {
class QueryTracker;
}
class CommandBufferHelper;
class GpuControl;
class MappedMemoryManager;
struct SharedMemoryLimits;
// Base class with functionality shared between GLES2Implementation and
// RasterImplementation.
class GLES2_IMPL_EXPORT ImplementationBase
: public base::trace_event::MemoryDumpProvider,
public ContextSupport,
public GpuControlClient {
public:
// The maximum result size from simple GL get commands.
static const uint32_t kMaxSizeOfSimpleResult =
16 * sizeof(uint32_t); // NOLINT.
// used for testing only. If more things are reseved add them here.
static const uint32_t kStartingOffset = kMaxSizeOfSimpleResult;
// Alignment of allocations.
static const unsigned int kAlignment = 16;
// The bucket used for results. Public for testing only.
static const uint32_t kResultBucketId = 1;
ImplementationBase(CommandBufferHelper* helper,
TransferBufferInterface* transfer_buffer,
GpuControl* gpu_control);
ImplementationBase(const ImplementationBase&) = delete;
ImplementationBase& operator=(const ImplementationBase&) = delete;
~ImplementationBase() override;
void FreeUnusedSharedMemory();
void FreeEverything();
// TODO(danakj): Move to ContextSupport once ContextProvider doesn't need to
// intercept it.
void SetLostContextCallback(base::OnceClosure callback);
const Capabilities& capabilities() const { return capabilities_; }
// ContextSupport implementation.
void FlushPendingWork() override;
void SignalSyncToken(const gpu::SyncToken& sync_token,
base::OnceClosure callback) override;
bool IsSyncTokenSignaled(const gpu::SyncToken& sync_token) override;
void SignalQuery(uint32_t query, base::OnceClosure callback) override;
void GetGpuFence(uint32_t gpu_fence_id,
base::OnceCallback<void(std::unique_ptr<gfx::GpuFence>)>
callback) override;
void SetGrContext(GrDirectContext* gr) override;
bool HasGrContextSupport() const override;
void WillCallGLFromSkia() override;
void DidCallGLFromSkia() override;
// base::trace_event::MemoryDumpProvider implementation.
bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* pmd) override;
// Used by child classes to implement gpu::InterfaceBase
void GenSyncToken(GLbyte* sync_token);
void GenUnverifiedSyncToken(GLbyte* sync_token);
void VerifySyncTokens(GLbyte** sync_tokens, GLsizei count);
void WaitSyncToken(const GLbyte* sync_token);
protected:
gpu::ContextResult Initialize(const SharedMemoryLimits& limits);
// Waits for all commands to execute.
bool WaitForCmd();
// Gets the value of the result.
template <typename T>
ScopedResultPtr<T> GetResultAs() {
return ScopedResultPtr<T>(transfer_buffer_);
}
int32_t GetResultShmId();
// TODO(gman): These bucket functions really seem like they belong in
// CommandBufferHelper (or maybe BucketHelper?). Unfortunately they need
// a transfer buffer to function which is currently managed by this class.
// Gets the contents of a bucket.
bool GetBucketContents(uint32_t bucket_id, std::vector<int8_t>* data);
// Sets the contents of a bucket.
void SetBucketContents(uint32_t bucket_id, const void* data, uint32_t size);
// Sets the contents of a bucket as a string.
void SetBucketAsCString(uint32_t bucket_id, const char* str);
// Gets the contents of a bucket as a string. Returns false if there is no
// string available which is a separate case from the empty string.
bool GetBucketAsString(uint32_t bucket_id, std::string* str);
// Sets the contents of a bucket as a string.
void SetBucketAsString(uint32_t bucket_id, const std::string& str);
bool GetVerifiedSyncTokenForIPC(const SyncToken& sync_token,
SyncToken* verified_sync_token);
void RunIfContextNotLost(base::OnceClosure callback);
raw_ptr<TransferBufferInterface> transfer_buffer_;
std::unique_ptr<MappedMemoryManager> mapped_memory_;
std::unique_ptr<gles2::QueryTracker> query_tracker_;
base::OnceClosure lost_context_callback_;
bool lost_context_callback_run_ = false;
const raw_ptr<GpuControl> gpu_control_;
Capabilities capabilities_;
private:
virtual void IssueShallowFlush() = 0;
virtual void SetGLError(GLenum error,
const char* function_name,
const char* msg) = 0;
raw_ptr<CommandBufferHelper> helper_;
base::WeakPtrFactory<ImplementationBase> weak_ptr_factory_{this};
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_CLIENT_IMPLEMENTATION_BASE_H_
|
