/*
* 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 "LayerDrawable.h"
#include "SkiaPipeline.h"
#include "SkiaProfileRenderer.h"
#include "hwui/Bitmap.h"
#include "private/hwui/DrawGlInfo.h"
#include "renderstate/RenderState.h"
#include "renderthread/EglManager.h"
#include "renderthread/Frame.h"
#include "utils/GLUtils.h"
#include "utils/TraceUtils.h"
#include <GLES3/gl3.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()) {
thread.renderState().registerContextCallback(this);
}
SkiaOpenGLPipeline::~SkiaOpenGLPipeline() {
mRenderThread.renderState().removeContextCallback(this);
}
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, const LightInfo& lightInfo,
const std::vector<sp<RenderNode>>& renderNodes,
FrameInfoVisualizer* profiler) {
mEglManager.damageFrame(frame, dirty);
SkColorType colorType = getSurfaceColorType();
// setup surface for fbo0
GrGLFramebufferInfo fboInfo;
fboInfo.fFBOID = 0;
if (colorType == kRGBA_F16_SkColorType) {
fboInfo.fFormat = GL_RGBA16F;
} else if (colorType == kN32_SkColorType) {
// Note: The default preference of pixel format is RGBA_8888, when other
// pixel format is available, we should branch out and do more check.
fboInfo.fFormat = GL_RGBA8;
} else {
LOG_ALWAYS_FATAL("Unsupported color type.");
}
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, this->getSurfaceOrigin(), colorType,
mSurfaceColorSpace, &props));
SkiaPipeline::updateLighting(lightGeometry, lightInfo);
renderFrame(*layerUpdateQueue, dirty, renderNodes, opaque, contentDrawBounds, surface,
SkMatrix::I());
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;
}
DeferredLayerUpdater* SkiaOpenGLPipeline::createTextureLayer() {
mRenderThread.requireGlContext();
return new DeferredLayerUpdater(mRenderThread.renderState());
}
void SkiaOpenGLPipeline::onContextDestroyed() {
if (mEglSurface != EGL_NO_SURFACE) {
mEglManager.destroySurface(mEglSurface);
mEglSurface = EGL_NO_SURFACE;
}
}
void SkiaOpenGLPipeline::onStop() {
if (mEglManager.isCurrent(mEglSurface)) {
mEglManager.makeCurrent(EGL_NO_SURFACE);
}
}
static void setBufferCount(ANativeWindow* window, uint32_t extraBuffers) {
int query_value;
int err = window->query(window, NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &query_value);
if (err != 0 || query_value < 0) {
ALOGE("window->query failed: %s (%d) value=%d", strerror(-err), err, query_value);
return;
}
auto min_undequeued_buffers = static_cast<uint32_t>(query_value);
int bufferCount = min_undequeued_buffers + 2 + extraBuffers;
native_window_set_buffer_count(window, bufferCount);
}
bool SkiaOpenGLPipeline::setSurface(ANativeWindow* surface, SwapBehavior swapBehavior,
ColorMode colorMode, uint32_t extraBuffers) {
if (mEglSurface != EGL_NO_SURFACE) {
mEglManager.destroySurface(mEglSurface);
mEglSurface = EGL_NO_SURFACE;
}
setSurfaceColorProperties(colorMode);
if (surface) {
mRenderThread.requireGlContext();
auto newSurface = mEglManager.createSurface(surface, colorMode, mSurfaceColorSpace);
if (!newSurface) {
return false;
}
mEglSurface = newSurface.unwrap();
}
if (mEglSurface != EGL_NO_SURFACE) {
const bool preserveBuffer = (swapBehavior != SwapBehavior::kSwap_discardBuffer);
mBufferPreserved = mEglManager.setPreserveBuffer(mEglSurface, preserveBuffer);
setBufferCount(surface, extraBuffers);
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 */