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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 "MediaTexture.h"
#include "TilesManager.h"
#if USE(ACCELERATED_COMPOSITING)
#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(jobject weakWebViewRef) : LayerAndroid((RenderLayer*) NULL)
{
m_bufferedTexture = new MediaTexture(EGL_NO_CONTEXT);
m_bufferedTexture->producerInc();
m_videoTexture = new VideoTexture(weakWebViewRef);
m_videoTexture->incStrong(this);
m_isCopy = false;
m_currentTextureInfo = 0;
m_isContentInverted = false;
m_outlineSize = 0;
XLOG("Creating Media Layer %p", this);
XLOG("producer: %d consumer: %d", m_bufferedTexture->getProducerCount(),
m_bufferedTexture->getConsumerCount());
}
MediaLayer::MediaLayer(const MediaLayer& layer) : LayerAndroid(layer)
{
m_bufferedTexture = layer.getTexture();
m_bufferedTexture->consumerInc();
m_videoTexture = layer.m_videoTexture;
m_videoTexture->incStrong(this);
m_isCopy = true;
m_currentTextureInfo = 0;
m_isContentInverted = layer.m_isContentInverted;
m_outlineSize = layer.m_outlineSize;
XLOG("Creating Media Layer Copy %p -> %p", &layer, this);
XLOG("producer: %d consumer: %d COPY", m_bufferedTexture->getProducerCount(),
m_bufferedTexture->getConsumerCount());
}
MediaLayer::~MediaLayer()
{
XLOG("Deleting Media Layer");
XLOG("producer: %d consumer: %d %s", m_bufferedTexture->getProducerCount(),
m_bufferedTexture->getConsumerCount(), (m_isCopy) ? "COPY" : "");
if (m_isCopy)
m_bufferedTexture->consumerDec();
else
m_bufferedTexture->producerDec();
m_videoTexture->decStrong(this);
}
bool MediaLayer::drawGL(GLWebViewState* glWebViewState, SkMatrix& matrix)
{
TilesManager::instance()->shader()->clip(drawClip());
// when the plugin gains focus webkit applies an outline to the
// widget, which causes the layer to expand to accommodate the
// outline. Therefore, we shrink the rect by the outline's dimensions
// to ensure the plugin does not draw outside of its bounds.
SkRect mediaBounds;
mediaBounds.set(0, 0, getSize().width(), getSize().height());
mediaBounds.inset(m_outlineSize, m_outlineSize);
// check to see if we need to create a video texture
m_videoTexture->initNativeWindowIfNeeded();
// draw any video content if present
m_videoTexture->drawVideo(drawTransform(), mediaBounds);
// draw the primary content
if (m_bufferedTexture) {
TextureInfo* textureInfo = m_bufferedTexture->consumerLock();
if (textureInfo && textureInfo->m_width != 0 && textureInfo->m_height != 0) {
// the layer's shader draws the content inverted so we must undo
// that change in the transformation matrix
TransformationMatrix m = drawTransform();
if (!m_isContentInverted) {
m.flipY();
m.translate(0, -getSize().height());
}
bool forceBlending = textureInfo->m_internalFormat == GL_RGBA ||
textureInfo->m_internalFormat == GL_BGRA_EXT ||
textureInfo->m_internalFormat == GL_ALPHA;
TilesManager::instance()->shader()->drawLayerQuad(m, mediaBounds,
textureInfo->m_textureId,
1.0f, forceBlending);
}
m_bufferedTexture->consumerRelease();
}
return drawChildrenGL(glWebViewState, matrix);
}
ANativeWindow* MediaLayer::acquireNativeWindowForVideo()
{
return m_videoTexture->requestNewWindow();
}
void MediaLayer::setWindowDimensionsForVideo(const ANativeWindow* window, const SkRect& dimensions)
{
if (window != m_videoTexture->getNativeWindow())
return;
//TODO validate that the dimensions do not exceed the plugin's bounds
m_videoTexture->setDimensions(dimensions);
}
void MediaLayer::releaseNativeWindowForVideo(ANativeWindow* window)
{
if (window == m_videoTexture->getNativeWindow())
m_videoTexture->releaseNativeWindow();
}
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
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