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/*
* Copyright (C) 2010 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 "config.h"
#include "MediaLayer.h"
#include "TilesManager.h"
#if USE(ACCELERATED_COMPOSITING)
#include <wtf/CurrentTime.h>
#define LAYER_DEBUG
#undef LAYER_DEBUG
#ifdef DEBUG
#include <cutils/log.h>
#include <wtf/text/CString.h>
#undef XLOG
#define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "MediaLayer", __VA_ARGS__)
#else
#undef XLOG
#define XLOG(...)
#endif // DEBUG
namespace WebCore {
MediaLayer::MediaLayer() : LayerAndroid(false)
{
m_bufferedTexture = new MediaTexture(EGL_NO_CONTEXT);
m_bufferedTexture->incStrong(this);
m_currentTextureInfo = 0;
m_isContentInverted = false;
XLOG("Creating Media Layer %p", this);
}
MediaLayer::MediaLayer(const MediaLayer& layer) : LayerAndroid(layer)
{
m_bufferedTexture = layer.getTexture();
m_bufferedTexture->incStrong(this);
m_currentTextureInfo = 0;
m_isContentInverted = layer.m_isContentInverted;
XLOG("Creating Media Layer Copy %p -> %p", &layer, this);
}
MediaLayer::~MediaLayer()
{
XLOG("Deleting Media Layer");
m_bufferedTexture->decStrong(this);
}
bool MediaLayer::drawGL(SkMatrix& matrix)
{
if (m_bufferedTexture) {
TextureInfo* textureInfo = m_bufferedTexture->consumerLock();
if (textureInfo) {
SkRect rect;
rect.set(0, 0, getSize().width(), getSize().height());
TransformationMatrix m = drawTransform();
// the layer's shader draws the content inverted so we must undo
// that change in the transformation matrix
if (!m_isContentInverted) {
m.flipY();
m.translate(0, -getSize().height());
}
TilesManager::instance()->shader()->drawLayerQuad(m, rect,
textureInfo->m_textureId,
1.0f); //TODO fix this m_drawOpacity
}
m_bufferedTexture->consumerRelease();
}
drawChildrenGL(matrix);
//TODO allow plugins to specify when they should be drawn
return true;
}
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
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