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
|
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DrawingJob.h"
#include "JobScheduler.h"
#include "mozilla/gfx/2D.h"
namespace mozilla {
namespace gfx {
DrawingJobBuilder::DrawingJobBuilder()
{}
DrawingJobBuilder::~DrawingJobBuilder()
{
MOZ_ASSERT(!mDrawTarget);
}
void
DrawingJob::Clear()
{
mCommandBuffer = nullptr;
mCursor = 0;
}
void
DrawingJobBuilder::BeginDrawingJob(DrawTarget* aTarget, IntPoint aOffset,
SyncObject* aStart)
{
MOZ_ASSERT(mCommandOffsets.empty());
MOZ_ASSERT(aTarget);
mDrawTarget = aTarget;
mOffset = aOffset;
mStart = aStart;
}
DrawingJob*
DrawingJobBuilder::EndDrawingJob(CommandBuffer* aCmdBuffer,
SyncObject* aCompletion,
WorkerThread* aPinToWorker)
{
MOZ_ASSERT(mDrawTarget);
DrawingJob* task = new DrawingJob(mDrawTarget, mOffset, mStart, aCompletion, aPinToWorker);
task->mCommandBuffer = aCmdBuffer;
task->mCommandOffsets = Move(mCommandOffsets);
mDrawTarget = nullptr;
mOffset = IntPoint();
mStart = nullptr;
return task;
}
DrawingJob::DrawingJob(DrawTarget* aTarget, IntPoint aOffset,
SyncObject* aStart, SyncObject* aCompletion,
WorkerThread* aPinToWorker)
: Job(aStart, aCompletion, aPinToWorker)
, mCommandBuffer(nullptr)
, mCursor(0)
, mDrawTarget(aTarget)
, mOffset(aOffset)
{
mCommandOffsets.reserve(64);
}
JobStatus
DrawingJob::Run()
{
while (mCursor < mCommandOffsets.size()) {
const DrawingCommand* cmd = mCommandBuffer->GetDrawingCommand(mCommandOffsets[mCursor]);
if (!cmd) {
return JobStatus::Error;
}
cmd->ExecuteOnDT(mDrawTarget);
++mCursor;
}
return JobStatus::Complete;
}
DrawingJob::~DrawingJob()
{
Clear();
}
const DrawingCommand*
CommandBuffer::GetDrawingCommand(ptrdiff_t aId)
{
return static_cast<DrawingCommand*>(mStorage.GetStorage(aId));
}
CommandBuffer::~CommandBuffer()
{
mStorage.ForEach([](void* item){
static_cast<DrawingCommand*>(item)->~DrawingCommand();
});
mStorage.Clear();
}
void
CommandBufferBuilder::BeginCommandBuffer(size_t aBufferSize)
{
MOZ_ASSERT(!mCommands);
mCommands = new CommandBuffer(aBufferSize);
}
already_AddRefed<CommandBuffer>
CommandBufferBuilder::EndCommandBuffer()
{
return mCommands.forget();
}
} // namespace
} // namespace
|
