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
|
// Copyright 2013 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.
#include "gpu/command_buffer/service/async_pixel_transfer_manager_sync.h"
#include "gpu/command_buffer/service/async_pixel_transfer_delegate.h"
namespace gpu {
// Class which handles async pixel transfers synchronously.
class AsyncPixelTransferDelegateSync : public AsyncPixelTransferDelegate {
public:
explicit AsyncPixelTransferDelegateSync(
AsyncPixelTransferManagerSync::SharedState* shared_state);
virtual ~AsyncPixelTransferDelegateSync();
// Implement AsyncPixelTransferDelegate:
virtual void AsyncTexImage2D(
const AsyncTexImage2DParams& tex_params,
const AsyncMemoryParams& mem_params,
const base::Closure& bind_callback) OVERRIDE;
virtual void AsyncTexSubImage2D(
const AsyncTexSubImage2DParams& tex_params,
const AsyncMemoryParams& mem_params) OVERRIDE;
virtual bool TransferIsInProgress() OVERRIDE;
virtual void WaitForTransferCompletion() OVERRIDE;
private:
// Safe to hold a raw pointer because SharedState is owned by the Manager
// which owns the Delegate.
AsyncPixelTransferManagerSync::SharedState* shared_state_;
DISALLOW_COPY_AND_ASSIGN(AsyncPixelTransferDelegateSync);
};
AsyncPixelTransferDelegateSync::AsyncPixelTransferDelegateSync(
AsyncPixelTransferManagerSync::SharedState* shared_state)
: shared_state_(shared_state) {}
AsyncPixelTransferDelegateSync::~AsyncPixelTransferDelegateSync() {}
void AsyncPixelTransferDelegateSync::AsyncTexImage2D(
const AsyncTexImage2DParams& tex_params,
const AsyncMemoryParams& mem_params,
const base::Closure& bind_callback) {
// Save the define params to return later during deferred
// binding of the transfer texture.
void* data = GetAddress(mem_params);
base::TimeTicks begin_time(base::TimeTicks::HighResNow());
glTexImage2D(
tex_params.target,
tex_params.level,
tex_params.internal_format,
tex_params.width,
tex_params.height,
tex_params.border,
tex_params.format,
tex_params.type,
data);
shared_state_->texture_upload_count++;
shared_state_->total_texture_upload_time +=
base::TimeTicks::HighResNow() - begin_time;
// The texture is already fully bound so just call it now.
bind_callback.Run();
}
void AsyncPixelTransferDelegateSync::AsyncTexSubImage2D(
const AsyncTexSubImage2DParams& tex_params,
const AsyncMemoryParams& mem_params) {
void* data = GetAddress(mem_params);
base::TimeTicks begin_time(base::TimeTicks::HighResNow());
glTexSubImage2D(
tex_params.target,
tex_params.level,
tex_params.xoffset,
tex_params.yoffset,
tex_params.width,
tex_params.height,
tex_params.format,
tex_params.type,
data);
shared_state_->texture_upload_count++;
shared_state_->total_texture_upload_time +=
base::TimeTicks::HighResNow() - begin_time;
}
bool AsyncPixelTransferDelegateSync::TransferIsInProgress() {
// Already done.
return false;
}
void AsyncPixelTransferDelegateSync::WaitForTransferCompletion() {
// Already done.
}
AsyncPixelTransferManagerSync::SharedState::SharedState()
: texture_upload_count(0) {}
AsyncPixelTransferManagerSync::SharedState::~SharedState() {}
AsyncPixelTransferManagerSync::AsyncPixelTransferManagerSync() {}
AsyncPixelTransferManagerSync::~AsyncPixelTransferManagerSync() {}
void AsyncPixelTransferManagerSync::BindCompletedAsyncTransfers() {
// Everything is already bound.
}
void AsyncPixelTransferManagerSync::AsyncNotifyCompletion(
const AsyncMemoryParams& mem_params,
AsyncPixelTransferCompletionObserver* observer) {
observer->DidComplete(mem_params);
}
uint32 AsyncPixelTransferManagerSync::GetTextureUploadCount() {
return shared_state_.texture_upload_count;
}
base::TimeDelta AsyncPixelTransferManagerSync::GetTotalTextureUploadTime() {
return shared_state_.total_texture_upload_time;
}
void AsyncPixelTransferManagerSync::ProcessMorePendingTransfers() {
}
bool AsyncPixelTransferManagerSync::NeedsProcessMorePendingTransfers() {
return false;
}
AsyncPixelTransferDelegate*
AsyncPixelTransferManagerSync::CreatePixelTransferDelegateImpl(
gles2::TextureRef* ref,
const AsyncTexImage2DParams& define_params) {
return new AsyncPixelTransferDelegateSync(&shared_state_);
}
} // namespace gpu
|
