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/*
* Copyright (C) 2015 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 "TestWindowContext.h"
#include "AnimationContext.h"
#include "DisplayListCanvas.h"
#include "IContextFactory.h"
#include "RecordingCanvas.h"
#include "RenderNode.h"
#include "SkTypes.h"
#include "gui/BufferQueue.h"
#include "gui/CpuConsumer.h"
#include "gui/IGraphicBufferConsumer.h"
#include "gui/IGraphicBufferProducer.h"
#include "gui/Surface.h"
#include "renderthread/RenderProxy.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);
}
};
} // anonymous namespace
namespace android {
namespace uirenderer {
/**
Android strong pointers (android::sp) can't hold forward-declared classes,
so we have to use pointer-to-implementation here if we want to hide the
details from our non-framework users.
*/
class TestWindowContext::TestWindowData {
public:
TestWindowData(SkISize size) : mSize(size) {
android::BufferQueue::createBufferQueue(&mProducer, &mConsumer);
mCpuConsumer = new android::CpuConsumer(mConsumer, 1);
mCpuConsumer->setName(android::String8("TestWindowContext"));
mCpuConsumer->setDefaultBufferSize(mSize.width(), mSize.height());
mAndroidSurface = new android::Surface(mProducer);
native_window_set_buffers_dimensions(mAndroidSurface.get(),
mSize.width(), mSize.height());
native_window_set_buffers_format(mAndroidSurface.get(),
android::PIXEL_FORMAT_RGBA_8888);
native_window_set_usage(mAndroidSurface.get(),
GRALLOC_USAGE_SW_READ_OFTEN |
GRALLOC_USAGE_SW_WRITE_NEVER |
GRALLOC_USAGE_HW_RENDER);
mRootNode.reset(new android::uirenderer::RenderNode());
mRootNode->incStrong(nullptr);
mRootNode->mutateStagingProperties().setLeftTopRightBottom
(0, 0, mSize.width(), mSize.height());
mRootNode->mutateStagingProperties().setClipToBounds(false);
mRootNode->setPropertyFieldsDirty(android::uirenderer::RenderNode::GENERIC);
ContextFactory factory;
mProxy.reset
(new android::uirenderer::renderthread::RenderProxy(false,
mRootNode.get(),
&factory));
mProxy->loadSystemProperties();
mProxy->initialize(mAndroidSurface.get());
float lightX = mSize.width() / 2.0f;
android::uirenderer::Vector3 lightVector { lightX, -200.0f, 800.0f };
mProxy->setup(mSize.width(), mSize.height(), 800.0f,
255 * 0.075f, 255 * 0.15f);
mProxy->setLightCenter(lightVector);
#if HWUI_NEW_OPS
mCanvas.reset(new android::uirenderer::RecordingCanvas(mSize.width(), mSize.height()));
#else
mCanvas.reset(new android::uirenderer::DisplayListCanvas(mSize.width(), mSize.height()));
#endif
}
SkCanvas* prepareToDraw() {
//mCanvas->reset(mSize.width(), mSize.height());
mCanvas->clipRect(0, 0, mSize.width(), mSize.height(),
SkRegion::Op::kReplace_Op);
return mCanvas->asSkCanvas();
}
void finishDrawing() {
mRootNode->setStagingDisplayList(mCanvas->finishRecording(), nullptr);
mProxy->syncAndDrawFrame(nullptr);
// Surprisingly, calling mProxy->fence() here appears to make no difference to
// the timings we record.
}
void fence() {
mProxy->fence();
}
bool capturePixels(SkBitmap* bmp) {
SkImageInfo destinationConfig =
SkImageInfo::Make(mSize.width(), mSize.height(),
kRGBA_8888_SkColorType, kPremul_SkAlphaType);
bmp->allocPixels(destinationConfig);
sk_memset32((uint32_t*) bmp->getPixels(), SK_ColorRED,
mSize.width() * mSize.height());
android::CpuConsumer::LockedBuffer nativeBuffer;
android::status_t retval = mCpuConsumer->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
LOG_ALWAYS_FATAL_IF(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;
}
LOG_ALWAYS_FATAL_IF(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;
}
mCpuConsumer->unlockBuffer(nativeBuffer);
return true;
}
private:
std::unique_ptr<android::uirenderer::RenderNode> mRootNode;
std::unique_ptr<android::uirenderer::renderthread::RenderProxy> mProxy;
#if HWUI_NEW_OPS
std::unique_ptr<android::uirenderer::RecordingCanvas> mCanvas;
#else
std::unique_ptr<android::uirenderer::DisplayListCanvas> mCanvas;
#endif
android::sp<android::IGraphicBufferProducer> mProducer;
android::sp<android::IGraphicBufferConsumer> mConsumer;
android::sp<android::CpuConsumer> mCpuConsumer;
android::sp<android::Surface> mAndroidSurface;
SkISize mSize;
};
TestWindowContext::TestWindowContext() :
mData (nullptr) { }
TestWindowContext::~TestWindowContext() {
delete mData;
}
void TestWindowContext::initialize(int width, int height) {
mData = new TestWindowData(SkISize::Make(width, height));
}
SkCanvas* TestWindowContext::prepareToDraw() {
return mData ? mData->prepareToDraw() : nullptr;
}
void TestWindowContext::finishDrawing() {
if (mData) {
mData->finishDrawing();
}
}
void TestWindowContext::fence() {
if (mData) {
mData->fence();
}
}
bool TestWindowContext::capturePixels(SkBitmap* bmp) {
return mData ? mData->capturePixels(bmp) : false;
}
} // namespace uirenderer
} // namespace android
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