139 lines
4.7 KiB
C++
139 lines
4.7 KiB
C++
/*
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* Copyright (C) 2014 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 "DeferredLayerUpdater.h"
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#include "OpenGLRenderer.h"
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#include "LayerRenderer.h"
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namespace android {
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namespace uirenderer {
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DeferredLayerUpdater::DeferredLayerUpdater(Layer* layer, OpenGLRenderer* renderer)
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: mDisplayList(0)
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, mSurfaceTexture(0)
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, mTransform(0)
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, mNeedsGLContextAttach(false)
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, mUpdateTexImage(false)
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, mLayer(layer)
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, mCaches(Caches::getInstance()) {
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mWidth = mLayer->layer.getWidth();
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mHeight = mLayer->layer.getHeight();
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mBlend = mLayer->isBlend();
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mColorFilter = SkSafeRef(mLayer->getColorFilter());
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mAlpha = mLayer->getAlpha();
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mMode = mLayer->getMode();
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mDirtyRect.setEmpty();
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}
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DeferredLayerUpdater::~DeferredLayerUpdater() {
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SkSafeUnref(mColorFilter);
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setTransform(0);
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if (mLayer) {
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mCaches.resourceCache.decrementRefcount(mLayer);
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}
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}
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void DeferredLayerUpdater::setPaint(const SkPaint* paint) {
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OpenGLRenderer::getAlphaAndModeDirect(paint, &mAlpha, &mMode);
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SkColorFilter* colorFilter = (paint) ? paint->getColorFilter() : NULL;
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SkRefCnt_SafeAssign(mColorFilter, colorFilter);
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}
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void DeferredLayerUpdater::setDisplayList(RenderNode* displayList,
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int left, int top, int right, int bottom) {
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mDisplayList = displayList;
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if (mDirtyRect.isEmpty()) {
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mDirtyRect.set(left, top, right, bottom);
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} else {
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mDirtyRect.unionWith(Rect(left, top, right, bottom));
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}
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}
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bool DeferredLayerUpdater::apply(TreeInfo& info) {
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bool success = true;
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// These properties are applied the same to both layer types
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mLayer->setColorFilter(mColorFilter);
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mLayer->setAlpha(mAlpha, mMode);
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if (mDisplayList.get()) {
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if (mWidth != mLayer->layer.getWidth() || mHeight != mLayer->layer.getHeight()) {
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success = LayerRenderer::resizeLayer(mLayer, mWidth, mHeight);
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}
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mLayer->setBlend(mBlend);
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mDisplayList->prepareTree(info);
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mLayer->updateDeferred(mDisplayList.get(),
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mDirtyRect.left, mDirtyRect.top, mDirtyRect.right, mDirtyRect.bottom);
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mDirtyRect.setEmpty();
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mDisplayList = 0;
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} else if (mSurfaceTexture.get()) {
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if (mNeedsGLContextAttach) {
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mNeedsGLContextAttach = false;
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mSurfaceTexture->attachToContext(mLayer->getTexture());
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}
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if (mUpdateTexImage) {
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mUpdateTexImage = false;
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doUpdateTexImage();
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}
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if (mTransform) {
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mLayer->getTransform().load(*mTransform);
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setTransform(0);
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}
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}
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return success;
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}
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void DeferredLayerUpdater::doUpdateTexImage() {
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if (mSurfaceTexture->updateTexImage() == NO_ERROR) {
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float transform[16];
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int64_t frameNumber = mSurfaceTexture->getFrameNumber();
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// If the GLConsumer queue is in synchronous mode, need to discard all
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// but latest frame, using the frame number to tell when we no longer
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// have newer frames to target. Since we can't tell which mode it is in,
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// do this unconditionally.
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int dropCounter = 0;
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while (mSurfaceTexture->updateTexImage() == NO_ERROR) {
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int64_t newFrameNumber = mSurfaceTexture->getFrameNumber();
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if (newFrameNumber == frameNumber) break;
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frameNumber = newFrameNumber;
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dropCounter++;
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}
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bool forceFilter = false;
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sp<GraphicBuffer> buffer = mSurfaceTexture->getCurrentBuffer();
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if (buffer != NULL) {
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// force filtration if buffer size != layer size
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forceFilter = mWidth != buffer->getWidth()
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|| mHeight != buffer->getHeight();
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}
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#if DEBUG_RENDERER
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if (dropCounter > 0) {
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RENDERER_LOGD("Dropped %d frames on texture layer update", dropCounter);
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}
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#endif
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mSurfaceTexture->getTransformMatrix(transform);
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GLenum renderTarget = mSurfaceTexture->getCurrentTextureTarget();
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LayerRenderer::updateTextureLayer(mLayer, mWidth, mHeight,
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!mBlend, forceFilter, renderTarget, transform);
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}
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}
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} /* namespace uirenderer */
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} /* namespace android */
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