| /* |
| * Copyright (C) 2016 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 "SkiaOpenGLPipeline.h" |
| |
| #include "DeferredLayerUpdater.h" |
| #include "GlLayer.h" |
| #include "LayerDrawable.h" |
| #include "SkiaPipeline.h" |
| #include "SkiaProfileRenderer.h" |
| #include "hwui/Bitmap.h" |
| #include "renderstate/RenderState.h" |
| #include "renderthread/EglManager.h" |
| #include "renderthread/Frame.h" |
| #include "utils/GLUtils.h" |
| #include "utils/TraceUtils.h" |
| |
| #include <GrBackendSurface.h> |
| #include <SkBlendMode.h> |
| #include <SkImageInfo.h> |
| |
| #include <cutils/properties.h> |
| #include <strings.h> |
| |
| using namespace android::uirenderer::renderthread; |
| |
| namespace android { |
| namespace uirenderer { |
| namespace skiapipeline { |
| |
| SkiaOpenGLPipeline::SkiaOpenGLPipeline(RenderThread& thread) |
| : SkiaPipeline(thread), mEglManager(thread.eglManager()) {} |
| |
| MakeCurrentResult SkiaOpenGLPipeline::makeCurrent() { |
| // TODO: Figure out why this workaround is needed, see b/13913604 |
| // In the meantime this matches the behavior of GLRenderer, so it is not a regression |
| EGLint error = 0; |
| if (!mEglManager.makeCurrent(mEglSurface, &error)) { |
| return MakeCurrentResult::AlreadyCurrent; |
| } |
| return error ? MakeCurrentResult::Failed : MakeCurrentResult::Succeeded; |
| } |
| |
| Frame SkiaOpenGLPipeline::getFrame() { |
| LOG_ALWAYS_FATAL_IF(mEglSurface == EGL_NO_SURFACE, |
| "drawRenderNode called on a context with no surface!"); |
| return mEglManager.beginFrame(mEglSurface); |
| } |
| |
| bool SkiaOpenGLPipeline::draw(const Frame& frame, const SkRect& screenDirty, const SkRect& dirty, |
| const LightGeometry& lightGeometry, |
| LayerUpdateQueue* layerUpdateQueue, const Rect& contentDrawBounds, |
| bool opaque, bool wideColorGamut, const LightInfo& lightInfo, |
| const std::vector<sp<RenderNode>>& renderNodes, |
| FrameInfoVisualizer* profiler) { |
| mEglManager.damageFrame(frame, dirty); |
| |
| SkColorType colorType; |
| // setup surface for fbo0 |
| GrGLFramebufferInfo fboInfo; |
| fboInfo.fFBOID = 0; |
| if (wideColorGamut) { |
| fboInfo.fFormat = GL_RGBA16F; |
| colorType = kRGBA_F16_SkColorType; |
| } else { |
| fboInfo.fFormat = GL_RGBA8; |
| colorType = kN32_SkColorType; |
| } |
| |
| GrBackendRenderTarget backendRT(frame.width(), frame.height(), 0, STENCIL_BUFFER_SIZE, fboInfo); |
| |
| SkSurfaceProps props(0, kUnknown_SkPixelGeometry); |
| |
| SkASSERT(mRenderThread.getGrContext() != nullptr); |
| sk_sp<SkSurface> surface(SkSurface::MakeFromBackendRenderTarget( |
| mRenderThread.getGrContext(), backendRT, kBottomLeft_GrSurfaceOrigin, colorType, |
| nullptr, &props)); |
| |
| SkiaPipeline::updateLighting(lightGeometry, lightInfo); |
| renderFrame(*layerUpdateQueue, dirty, renderNodes, opaque, wideColorGamut, contentDrawBounds, |
| surface); |
| layerUpdateQueue->clear(); |
| |
| // Draw visual debugging features |
| if (CC_UNLIKELY(Properties::showDirtyRegions || |
| ProfileType::None != Properties::getProfileType())) { |
| SkCanvas* profileCanvas = surface->getCanvas(); |
| SkiaProfileRenderer profileRenderer(profileCanvas); |
| profiler->draw(profileRenderer); |
| profileCanvas->flush(); |
| } |
| |
| // Log memory statistics |
| if (CC_UNLIKELY(Properties::debugLevel != kDebugDisabled)) { |
| dumpResourceCacheUsage(); |
| } |
| |
| return true; |
| } |
| |
| bool SkiaOpenGLPipeline::swapBuffers(const Frame& frame, bool drew, const SkRect& screenDirty, |
| FrameInfo* currentFrameInfo, bool* requireSwap) { |
| GL_CHECKPOINT(LOW); |
| |
| // Even if we decided to cancel the frame, from the perspective of jank |
| // metrics the frame was swapped at this point |
| currentFrameInfo->markSwapBuffers(); |
| |
| *requireSwap = drew || mEglManager.damageRequiresSwap(); |
| |
| if (*requireSwap && (CC_UNLIKELY(!mEglManager.swapBuffers(frame, screenDirty)))) { |
| return false; |
| } |
| |
| return *requireSwap; |
| } |
| |
| bool SkiaOpenGLPipeline::copyLayerInto(DeferredLayerUpdater* deferredLayer, SkBitmap* bitmap) { |
| if (!mRenderThread.getGrContext()) { |
| return false; |
| } |
| |
| // acquire most recent buffer for drawing |
| deferredLayer->updateTexImage(); |
| deferredLayer->apply(); |
| |
| // drop the colorSpace as we only support readback into sRGB or extended sRGB |
| SkImageInfo surfaceInfo = bitmap->info().makeColorSpace(nullptr); |
| |
| /* This intermediate surface is present to work around a bug in SwiftShader that |
| * prevents us from reading the contents of the layer's texture directly. The |
| * workaround involves first rendering that texture into an intermediate buffer and |
| * then reading from the intermediate buffer into the bitmap. |
| */ |
| sk_sp<SkSurface> tmpSurface = SkSurface::MakeRenderTarget(mRenderThread.getGrContext(), |
| SkBudgeted::kYes, surfaceInfo); |
| |
| if (!tmpSurface.get()) { |
| surfaceInfo = surfaceInfo.makeColorType(SkColorType::kN32_SkColorType); |
| tmpSurface = SkSurface::MakeRenderTarget(mRenderThread.getGrContext(), SkBudgeted::kYes, |
| surfaceInfo); |
| if (!tmpSurface.get()) { |
| ALOGW("Unable to readback GPU contents into the provided bitmap"); |
| return false; |
| } |
| } |
| |
| Layer* layer = deferredLayer->backingLayer(); |
| const SkRect dstRect = SkRect::MakeIWH(bitmap->width(), bitmap->height()); |
| if (LayerDrawable::DrawLayer(mRenderThread.getGrContext(), tmpSurface->getCanvas(), layer, |
| &dstRect)) { |
| sk_sp<SkImage> tmpImage = tmpSurface->makeImageSnapshot(); |
| if (tmpImage->readPixels(surfaceInfo, bitmap->getPixels(), bitmap->rowBytes(), 0, 0)) { |
| bitmap->notifyPixelsChanged(); |
| return true; |
| } |
| |
| // if we fail to readback from the GPU directly (e.g. 565) then we attempt to read into 8888 |
| // and then draw that into the destination format before giving up. |
| SkBitmap tmpBitmap; |
| SkImageInfo bitmapInfo = |
| SkImageInfo::MakeN32(bitmap->width(), bitmap->height(), bitmap->alphaType()); |
| if (tmpBitmap.tryAllocPixels(bitmapInfo) && |
| tmpImage->readPixels(bitmapInfo, tmpBitmap.getPixels(), tmpBitmap.rowBytes(), 0, 0)) { |
| SkCanvas canvas(*bitmap); |
| SkPaint paint; |
| paint.setBlendMode(SkBlendMode::kSrc); |
| canvas.drawBitmap(tmpBitmap, 0, 0, &paint); |
| bitmap->notifyPixelsChanged(); |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| static Layer* createLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight, |
| sk_sp<SkColorFilter> colorFilter, int alpha, SkBlendMode mode, |
| bool blend) { |
| GlLayer* layer = |
| new GlLayer(renderState, layerWidth, layerHeight, colorFilter, alpha, mode, blend); |
| layer->generateTexture(); |
| return layer; |
| } |
| |
| DeferredLayerUpdater* SkiaOpenGLPipeline::createTextureLayer() { |
| mRenderThread.requireGlContext(); |
| return new DeferredLayerUpdater(mRenderThread.renderState(), createLayer, Layer::Api::OpenGL); |
| } |
| |
| void SkiaOpenGLPipeline::onStop() { |
| if (mEglManager.isCurrent(mEglSurface)) { |
| mEglManager.makeCurrent(EGL_NO_SURFACE); |
| } |
| } |
| |
| bool SkiaOpenGLPipeline::setSurface(Surface* surface, SwapBehavior swapBehavior, |
| ColorMode colorMode) { |
| if (mEglSurface != EGL_NO_SURFACE) { |
| mEglManager.destroySurface(mEglSurface); |
| mEglSurface = EGL_NO_SURFACE; |
| } |
| |
| if (surface) { |
| mRenderThread.requireGlContext(); |
| const bool wideColorGamut = colorMode == ColorMode::WideColorGamut; |
| mEglSurface = mEglManager.createSurface(surface, wideColorGamut); |
| } |
| |
| if (mEglSurface != EGL_NO_SURFACE) { |
| const bool preserveBuffer = (swapBehavior != SwapBehavior::kSwap_discardBuffer); |
| mBufferPreserved = mEglManager.setPreserveBuffer(mEglSurface, preserveBuffer); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool SkiaOpenGLPipeline::isSurfaceReady() { |
| return CC_UNLIKELY(mEglSurface != EGL_NO_SURFACE); |
| } |
| |
| bool SkiaOpenGLPipeline::isContextReady() { |
| return CC_LIKELY(mEglManager.hasEglContext()); |
| } |
| |
| void SkiaOpenGLPipeline::invokeFunctor(const RenderThread& thread, Functor* functor) { |
| DrawGlInfo::Mode mode = DrawGlInfo::kModeProcessNoContext; |
| if (thread.eglManager().hasEglContext()) { |
| mode = DrawGlInfo::kModeProcess; |
| } |
| |
| (*functor)(mode, nullptr); |
| |
| // If there's no context we don't need to reset as there's no gl state to save/restore |
| if (mode != DrawGlInfo::kModeProcessNoContext) { |
| thread.getGrContext()->resetContext(); |
| } |
| } |
| |
| } /* namespace skiapipeline */ |
| } /* namespace uirenderer */ |
| } /* namespace android */ |
