116 lines
4.5 KiB
C++
116 lines
4.5 KiB
C++
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "AutoBackendTextureRelease.h"
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#include "renderthread/RenderThread.h"
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#include "utils/Color.h"
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#include "utils/PaintUtils.h"
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using namespace android::uirenderer::renderthread;
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namespace android {
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namespace uirenderer {
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AutoBackendTextureRelease::AutoBackendTextureRelease(GrDirectContext* context,
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AHardwareBuffer* buffer) {
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AHardwareBuffer_Desc desc;
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AHardwareBuffer_describe(buffer, &desc);
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bool createProtectedImage = 0 != (desc.usage & AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT);
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GrBackendFormat backendFormat =
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GrAHardwareBufferUtils::GetBackendFormat(context, buffer, desc.format, false);
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mBackendTexture = GrAHardwareBufferUtils::MakeBackendTexture(
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context, buffer, desc.width, desc.height, &mDeleteProc, &mUpdateProc, &mImageCtx,
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createProtectedImage, backendFormat, false);
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}
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void AutoBackendTextureRelease::unref(bool releaseImage) {
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if (!RenderThread::isCurrent()) {
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// EGLImage needs to be destroyed on RenderThread to prevent memory leak.
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// ~SkImage dtor for both pipelines needs to be invoked on RenderThread, because it is not
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// thread safe.
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RenderThread::getInstance().queue().post([this, releaseImage]() { unref(releaseImage); });
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return;
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}
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if (releaseImage) {
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mImage.reset();
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}
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mUsageCount--;
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if (mUsageCount <= 0) {
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if (mBackendTexture.isValid()) {
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mDeleteProc(mImageCtx);
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mBackendTexture = {};
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}
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delete this;
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}
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}
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// releaseProc is invoked by SkImage, when texture is no longer in use.
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// "releaseContext" contains an "AutoBackendTextureRelease*".
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static void releaseProc(SkImage::ReleaseContext releaseContext) {
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AutoBackendTextureRelease* textureRelease =
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reinterpret_cast<AutoBackendTextureRelease*>(releaseContext);
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textureRelease->unref(false);
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}
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void AutoBackendTextureRelease::makeImage(AHardwareBuffer* buffer,
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android_dataspace dataspace,
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GrDirectContext* context) {
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AHardwareBuffer_Desc desc;
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AHardwareBuffer_describe(buffer, &desc);
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SkColorType colorType = GrAHardwareBufferUtils::GetSkColorTypeFromBufferFormat(desc.format);
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mImage = SkImage::MakeFromTexture(
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context, mBackendTexture, kTopLeft_GrSurfaceOrigin, colorType, kPremul_SkAlphaType,
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uirenderer::DataSpaceToColorSpace(dataspace), releaseProc, this);
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if (mImage.get()) {
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// The following ref will be counteracted by releaseProc, when SkImage is discarded.
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ref();
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}
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}
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void AutoBackendTextureRelease::newBufferContent(GrDirectContext* context) {
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if (mBackendTexture.isValid()) {
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mUpdateProc(mImageCtx, context);
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}
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}
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void AutoBackendTextureRelease::releaseQueueOwnership(GrDirectContext* context) {
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if (!context) {
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return;
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}
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LOG_ALWAYS_FATAL_IF(Properties::getRenderPipelineType() != RenderPipelineType::SkiaVulkan);
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if (mBackendTexture.isValid()) {
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// Passing in VK_IMAGE_LAYOUT_UNDEFINED means we keep the old layout.
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GrBackendSurfaceMutableState newState(VK_IMAGE_LAYOUT_UNDEFINED,
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VK_QUEUE_FAMILY_FOREIGN_EXT);
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// The unref for this ref happens in the releaseProc passed into setBackendTextureState. The
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// releaseProc callback will be made when the work to set the new state has finished on the
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// gpu.
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ref();
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// Note that we don't have an explicit call to set the backend texture back onto the
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// graphics queue when we use the VkImage again. Internally, Skia will notice that the image
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// is not on the graphics queue and will do the transition automatically.
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context->setBackendTextureState(mBackendTexture, newState, nullptr, releaseProc, this);
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}
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}
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} /* namespace uirenderer */
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} /* namespace android */
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