| Stan Iliev | aaa9e83 | 2019-09-17 14:07:23 -0400 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2019 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "AutoBackendTextureRelease.h" |
| 18 | |
| 19 | #include "renderthread/RenderThread.h" |
| 20 | #include "utils/Color.h" |
| 21 | #include "utils/PaintUtils.h" |
| 22 | |
| 23 | using namespace android::uirenderer::renderthread; |
| 24 | |
| 25 | namespace android { |
| 26 | namespace uirenderer { |
| 27 | |
| 28 | AutoBackendTextureRelease::AutoBackendTextureRelease(GrContext* context, AHardwareBuffer* buffer) { |
| 29 | AHardwareBuffer_Desc desc; |
| 30 | AHardwareBuffer_describe(buffer, &desc); |
| 31 | bool createProtectedImage = 0 != (desc.usage & AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT); |
| 32 | GrBackendFormat backendFormat = |
| 33 | GrAHardwareBufferUtils::GetBackendFormat(context, buffer, desc.format, false); |
| 34 | mBackendTexture = GrAHardwareBufferUtils::MakeBackendTexture( |
| 35 | context, buffer, desc.width, desc.height, &mDeleteProc, &mUpdateProc, &mImageCtx, |
| 36 | createProtectedImage, backendFormat, false); |
| 37 | } |
| 38 | |
| 39 | void AutoBackendTextureRelease::unref(bool releaseImage) { |
| 40 | if (!RenderThread::isCurrent()) { |
| 41 | // EGLImage needs to be destroyed on RenderThread to prevent memory leak. |
| 42 | // ~SkImage dtor for both pipelines needs to be invoked on RenderThread, because it is not |
| 43 | // thread safe. |
| 44 | RenderThread::getInstance().queue().post([this, releaseImage]() { unref(releaseImage); }); |
| 45 | return; |
| 46 | } |
| 47 | |
| 48 | if (releaseImage) { |
| 49 | mImage.reset(); |
| 50 | } |
| 51 | |
| 52 | mUsageCount--; |
| 53 | if (mUsageCount <= 0) { |
| 54 | if (mBackendTexture.isValid()) { |
| 55 | mDeleteProc(mImageCtx); |
| 56 | mBackendTexture = {}; |
| 57 | } |
| 58 | delete this; |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | // releaseProc is invoked by SkImage, when texture is no longer in use. |
| 63 | // "releaseContext" contains an "AutoBackendTextureRelease*". |
| 64 | static void releaseProc(SkImage::ReleaseContext releaseContext) { |
| 65 | AutoBackendTextureRelease* textureRelease = |
| 66 | reinterpret_cast<AutoBackendTextureRelease*>(releaseContext); |
| 67 | textureRelease->unref(false); |
| 68 | } |
| 69 | |
| 70 | void AutoBackendTextureRelease::makeImage(AHardwareBuffer* buffer, android_dataspace dataspace, |
| 71 | GrContext* context) { |
| 72 | AHardwareBuffer_Desc desc; |
| 73 | AHardwareBuffer_describe(buffer, &desc); |
| 74 | SkColorType colorType = GrAHardwareBufferUtils::GetSkColorTypeFromBufferFormat(desc.format); |
| 75 | mImage = SkImage::MakeFromTexture( |
| 76 | context, mBackendTexture, kTopLeft_GrSurfaceOrigin, colorType, kPremul_SkAlphaType, |
| 77 | uirenderer::DataSpaceToColorSpace(dataspace), releaseProc, this); |
| 78 | if (mImage.get()) { |
| 79 | // The following ref will be counteracted by releaseProc, when SkImage is discarded. |
| 80 | ref(); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | void AutoBackendTextureRelease::newBufferContent(GrContext* context) { |
| 85 | if (mBackendTexture.isValid()) { |
| 86 | mUpdateProc(mImageCtx, context); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | } /* namespace uirenderer */ |
| 91 | } /* namespace android */ |