| /* |
| * Copyright (C) 2012 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 "Layer.h" |
| |
| #include "Caches.h" |
| #include "RenderNode.h" |
| #include "renderstate/RenderState.h" |
| #include "utils/TraceUtils.h" |
| |
| #include <utils/Log.h> |
| |
| #define ATRACE_LAYER_WORK(label) \ |
| ATRACE_FORMAT("%s HW Layer DisplayList %s %ux%u", \ |
| label, \ |
| (renderNode.get() != NULL) ? renderNode->getName() : "", \ |
| getWidth(), getHeight()) |
| |
| namespace android { |
| namespace uirenderer { |
| |
| Layer::Layer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight) |
| : GpuMemoryTracker(GpuObjectType::Layer) |
| , state(State::Uncached) |
| , caches(Caches::getInstance()) |
| , renderState(renderState) |
| , texture(caches) { |
| // TODO: This is a violation of Android's typical ref counting, but it |
| // preserves the old inc/dec ref locations. This should be changed... |
| incStrong(nullptr); |
| renderTarget = GL_TEXTURE_2D; |
| texture.mWidth = layerWidth; |
| texture.mHeight = layerHeight; |
| renderState.registerLayer(this); |
| } |
| |
| Layer::~Layer() { |
| renderState.unregisterLayer(this); |
| SkSafeUnref(colorFilter); |
| |
| if (texture.mId) { |
| texture.deleteTexture(); |
| } |
| } |
| |
| void Layer::onGlContextLost() { |
| texture.deleteTexture(); |
| } |
| |
| void Layer::setColorFilter(SkColorFilter* filter) { |
| SkRefCnt_SafeAssign(colorFilter, filter); |
| } |
| |
| void Layer::bindTexture() const { |
| if (texture.mId) { |
| caches.textureState().bindTexture(renderTarget, texture.mId); |
| } |
| } |
| |
| void Layer::generateTexture() { |
| if (!texture.mId) { |
| glGenTextures(1, &texture.mId); |
| } |
| } |
| |
| void Layer::clearTexture() { |
| // There's a rare possibility that Caches could have been destroyed already |
| // since this method is queued up as a task. |
| // Since this is a reset method, treat this as non-fatal. |
| if (caches.isInitialized()) { |
| caches.textureState().unbindTexture(texture.mId); |
| } |
| texture.mId = 0; |
| } |
| |
| void Layer::postDecStrong() { |
| renderState.postDecStrong(this); |
| } |
| |
| }; // namespace uirenderer |
| }; // namespace android |