| /* |
| * Copyright (C) 2017 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 "GlLayer.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 { |
| |
| GlLayer::GlLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight, |
| SkColorFilter* colorFilter, int alpha, SkBlendMode mode, bool blend) |
| : Layer(renderState, Api::OpenGL, colorFilter, alpha, mode) |
| , caches(Caches::getInstance()) |
| , texture(caches) { |
| texture.mWidth = layerWidth; |
| texture.mHeight = layerHeight; |
| texture.blend = blend; |
| } |
| |
| GlLayer::~GlLayer() { |
| // 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() && texture.mId) { |
| texture.deleteTexture(); |
| } |
| } |
| |
| void GlLayer::onGlContextLost() { |
| texture.deleteTexture(); |
| } |
| |
| void GlLayer::setRenderTarget(GLenum renderTarget) { |
| if (renderTarget != getRenderTarget()) { |
| // new render target: bind with new target, and update filter/wrap |
| texture.mTarget = renderTarget; |
| if (texture.mId) { |
| caches.textureState().bindTexture(texture.target(), texture.mId); |
| } |
| texture.setFilter(GL_NEAREST, false, true); |
| texture.setWrap(GL_CLAMP_TO_EDGE, false, true); |
| } |
| } |
| |
| void GlLayer::generateTexture() { |
| if (!texture.mId) { |
| glGenTextures(1, &texture.mId); |
| } |
| } |
| |
| }; // namespace uirenderer |
| }; // namespace android |