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/*
* 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
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