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
|
/*
* Copyright 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "AutoBackendTextureRelease.h"
#include "renderthread/RenderThread.h"
#include "utils/Color.h"
#include "utils/PaintUtils.h"
using namespace android::uirenderer::renderthread;
namespace android {
namespace uirenderer {
AutoBackendTextureRelease::AutoBackendTextureRelease(GrDirectContext* context,
AHardwareBuffer* buffer) {
AHardwareBuffer_Desc desc;
AHardwareBuffer_describe(buffer, &desc);
bool createProtectedImage = 0 != (desc.usage & AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT);
GrBackendFormat backendFormat =
GrAHardwareBufferUtils::GetBackendFormat(context, buffer, desc.format, false);
mBackendTexture = GrAHardwareBufferUtils::MakeBackendTexture(
context, buffer, desc.width, desc.height, &mDeleteProc, &mUpdateProc, &mImageCtx,
createProtectedImage, backendFormat, false);
}
void AutoBackendTextureRelease::unref(bool releaseImage) {
if (!RenderThread::isCurrent()) {
// EGLImage needs to be destroyed on RenderThread to prevent memory leak.
// ~SkImage dtor for both pipelines needs to be invoked on RenderThread, because it is not
// thread safe.
RenderThread::getInstance().queue().post([this, releaseImage]() { unref(releaseImage); });
return;
}
if (releaseImage) {
mImage.reset();
}
mUsageCount--;
if (mUsageCount <= 0) {
if (mBackendTexture.isValid()) {
mDeleteProc(mImageCtx);
mBackendTexture = {};
}
delete this;
}
}
// releaseProc is invoked by SkImage, when texture is no longer in use.
// "releaseContext" contains an "AutoBackendTextureRelease*".
static void releaseProc(SkImage::ReleaseContext releaseContext) {
AutoBackendTextureRelease* textureRelease =
reinterpret_cast<AutoBackendTextureRelease*>(releaseContext);
textureRelease->unref(false);
}
void AutoBackendTextureRelease::makeImage(AHardwareBuffer* buffer,
android_dataspace dataspace,
GrDirectContext* context) {
AHardwareBuffer_Desc desc;
AHardwareBuffer_describe(buffer, &desc);
SkColorType colorType = GrAHardwareBufferUtils::GetSkColorTypeFromBufferFormat(desc.format);
mImage = SkImage::MakeFromTexture(
context, mBackendTexture, kTopLeft_GrSurfaceOrigin, colorType, kPremul_SkAlphaType,
uirenderer::DataSpaceToColorSpace(dataspace), releaseProc, this);
if (mImage.get()) {
// The following ref will be counteracted by releaseProc, when SkImage is discarded.
ref();
}
}
void AutoBackendTextureRelease::newBufferContent(GrDirectContext* context) {
if (mBackendTexture.isValid()) {
mUpdateProc(mImageCtx, context);
}
}
} /* namespace uirenderer */
} /* namespace android */
|
