| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkHwuiRenderer.h" |
| |
| #include "AnimationContext.h" |
| #include "IContextFactory.h" |
| #include "SkBitmap.h" |
| #include "gui/BufferQueue.h" |
| |
| namespace { |
| |
| /** |
| * Helper class for setting up android::uirenderer::renderthread::RenderProxy. |
| */ |
| class ContextFactory : public android::uirenderer::IContextFactory { |
| public: |
| android::uirenderer::AnimationContext* createAnimationContext |
| (android::uirenderer::renderthread::TimeLord& clock) override { |
| return new android::uirenderer::AnimationContext(clock); |
| } |
| }; |
| |
| } |
| |
| void SkHwuiRenderer::initialize(SkISize size) { |
| this->size = size; |
| android::BufferQueue::createBufferQueue(&this->producer, &this->consumer); |
| this->cpuConsumer = new android::CpuConsumer(this->consumer, 1); |
| this->cpuConsumer->setName(android::String8("SkiaBenchmarkClient")); |
| this->cpuConsumer->setDefaultBufferSize(size.width(), size.height()); |
| this->androidSurface = new android::Surface(this->producer); |
| native_window_set_buffers_dimensions(this->androidSurface.get(), |
| size.width(), size.height()); |
| native_window_set_buffers_format(this->androidSurface.get(), |
| android::PIXEL_FORMAT_RGBA_8888); |
| native_window_set_usage(this->androidSurface.get(), GRALLOC_USAGE_SW_READ_OFTEN | |
| GRALLOC_USAGE_SW_WRITE_NEVER | |
| GRALLOC_USAGE_HW_RENDER); |
| this->rootNode.reset(new android::uirenderer::RenderNode()); |
| this->rootNode->incStrong(nullptr); |
| this->rootNode->mutateStagingProperties().setLeftTopRightBottom |
| (0, 0, size.width(), size.height()); |
| this->rootNode->mutateStagingProperties().setClipToBounds(false); |
| this->rootNode->setPropertyFieldsDirty(android::uirenderer::RenderNode::GENERIC); |
| ContextFactory factory; |
| this->proxy.reset |
| (new android::uirenderer::renderthread::RenderProxy(false, this->rootNode, &factory)); |
| this->proxy->loadSystemProperties(); |
| this->proxy->initialize(this->androidSurface.get()); |
| float lightX = size.width() / 2.0f; |
| android::uirenderer::Vector3 lightVector { lightX, -200.0f, 800.0f }; |
| this->proxy->setup(size.width(), size.height(), 800.0f, |
| 255 * 0.075f, 255 * 0.15f); |
| this->proxy->setLightCenter(lightVector); |
| this->canvas.reset(new android::uirenderer::DisplayListCanvas()); |
| this->canvas->setViewport(size.width(), size.height()); |
| } |
| |
| SkCanvas* SkHwuiRenderer::prepareToDraw() { |
| this->canvas->prepare(); |
| this->canvas->clipRect(0, 0, this->size.width(), this->size.height(), |
| SkRegion::Op::kReplace_Op); |
| return this->canvas->asSkCanvas(); |
| } |
| |
| void SkHwuiRenderer::finishDrawing() { |
| this->canvas->finish(); |
| this->rootNode->setStagingDisplayList(this->canvas->finishRecording()); |
| this->proxy->syncAndDrawFrame(); |
| // Surprisingly, calling this->proxy->fence() here appears to make no difference to |
| // the timings we record. |
| } |
| |
| bool SkHwuiRenderer::capturePixels(SkBitmap* bmp) { |
| SkImageInfo destinationConfig = |
| SkImageInfo::Make(this->size.width(), this->size.height(), |
| kRGBA_8888_SkColorType, kPremul_SkAlphaType); |
| bmp->allocPixels(destinationConfig); |
| sk_memset32((uint32_t*) bmp->getPixels(), SK_ColorRED, |
| this->size.width() * this->size.height()); |
| |
| android::CpuConsumer::LockedBuffer nativeBuffer; |
| android::status_t retval = this->cpuConsumer->lockNextBuffer(&nativeBuffer); |
| if (retval == android::BAD_VALUE) { |
| SkDebugf("write_canvas_png() got no buffer; returning transparent"); |
| // No buffer ready to read - commonly triggered by dm sending us |
| // a no-op source, or calling code that doesn't do anything on this |
| // backend. |
| bmp->eraseColor(SK_ColorTRANSPARENT); |
| return false; |
| } else if (retval) { |
| SkDebugf("Failed to lock buffer to read pixels: %d.", retval); |
| return false; |
| } |
| |
| // Move the pixels into the destination SkBitmap |
| |
| SK_ALWAYSBREAK(nativeBuffer.format == android::PIXEL_FORMAT_RGBA_8888 && |
| "Native buffer not RGBA!"); |
| SkImageInfo nativeConfig = |
| SkImageInfo::Make(nativeBuffer.width, nativeBuffer.height, |
| kRGBA_8888_SkColorType, kPremul_SkAlphaType); |
| |
| // Android stride is in pixels, Skia stride is in bytes |
| SkBitmap nativeWrapper; |
| bool success = |
| nativeWrapper.installPixels(nativeConfig, nativeBuffer.data, nativeBuffer.stride * 4); |
| if (!success) { |
| SkDebugf("Failed to wrap HWUI buffer in a SkBitmap"); |
| return false; |
| } |
| |
| SK_ALWAYSBREAK(bmp->colorType() == kRGBA_8888_SkColorType && |
| "Destination buffer not RGBA!"); |
| success = |
| nativeWrapper.readPixels(destinationConfig, bmp->getPixels(), bmp->rowBytes(), 0, 0); |
| if (!success) { |
| SkDebugf("Failed to extract pixels from HWUI buffer"); |
| return false; |
| } |
| |
| this->cpuConsumer->unlockBuffer(nativeBuffer); |
| |
| return true; |
| } |
| |