94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
/*
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* Copyright (C) 2012 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 "Layer.h"
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#include "Caches.h"
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#include "RenderNode.h"
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#include "renderstate/RenderState.h"
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#include "utils/TraceUtils.h"
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#include <utils/Log.h>
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#define ATRACE_LAYER_WORK(label) \
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ATRACE_FORMAT("%s HW Layer DisplayList %s %ux%u", \
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label, \
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(renderNode.get() != NULL) ? renderNode->getName() : "", \
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getWidth(), getHeight())
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namespace android {
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namespace uirenderer {
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Layer::Layer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight)
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: GpuMemoryTracker(GpuObjectType::Layer)
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, state(State::Uncached)
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, caches(Caches::getInstance())
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, renderState(renderState)
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, texture(caches) {
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// TODO: This is a violation of Android's typical ref counting, but it
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// preserves the old inc/dec ref locations. This should be changed...
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incStrong(nullptr);
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texture.mWidth = layerWidth;
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texture.mHeight = layerHeight;
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renderState.registerLayer(this);
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}
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Layer::~Layer() {
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renderState.unregisterLayer(this);
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SkSafeUnref(colorFilter);
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if (texture.mId) {
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texture.deleteTexture();
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}
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}
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void Layer::onGlContextLost() {
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texture.deleteTexture();
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}
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void Layer::setColorFilter(SkColorFilter* filter) {
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SkRefCnt_SafeAssign(colorFilter, filter);
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}
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void Layer::bindTexture() const {
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if (texture.mId) {
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caches.textureState().bindTexture(texture.target(), texture.mId);
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}
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}
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void Layer::generateTexture() {
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if (!texture.mId) {
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glGenTextures(1, &texture.mId);
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}
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}
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void Layer::clearTexture() {
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// There's a rare possibility that Caches could have been destroyed already
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// since this method is queued up as a task.
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// Since this is a reset method, treat this as non-fatal.
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if (caches.isInitialized()) {
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caches.textureState().unbindTexture(texture.mId);
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}
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texture.mId = 0;
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}
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void Layer::postDecStrong() {
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renderState.postDecStrong(this);
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}
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}; // namespace uirenderer
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}; // namespace android
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