void VideoLayerChromium::cleanupResources()
{
LayerChromium::cleanupResources();
for (size_t i = 0; i < 3; ++i)
m_textures[i].m_texture.clear();
releaseCurrentFrame();
}
void VideoLayerChromium::updateContentsIfDirty()
{
if (!m_contentsDirty)
return;
RenderLayerBacking* backing = static_cast<RenderLayerBacking*>(m_owner->client());
if (!backing || backing->paintingGoesToWindow())
return;
ASSERT(drawsContent());
m_skipsDraw = false;
VideoFrameChromium* frame = m_provider->getCurrentFrame();
if (!frame) {
m_skipsDraw = true;
m_provider->putCurrentFrame(frame);
return;
}
m_frameFormat = frame->format();
unsigned textureFormat = determineTextureFormat(frame);
if (textureFormat == GraphicsContext3D::INVALID_VALUE) {
// FIXME: Implement other paths.
notImplemented();
m_skipsDraw = true;
m_provider->putCurrentFrame(frame);
return;
}
if (frame->surfaceType() == VideoFrameChromium::TypeTexture) {
releaseCurrentFrame();
saveCurrentFrame(frame);
m_dirtyRect.setSize(FloatSize());
m_contentsDirty = false;
return;
}
// Allocate textures for planes if they are not allocated already, or
// reallocate textures that are the wrong size for the frame.
GraphicsContext3D* context = layerRendererContext();
bool texturesAllocated = allocateTexturesIfNeeded(context, frame, textureFormat);
if (!texturesAllocated) {
m_skipsDraw = true;
m_provider->putCurrentFrame(frame);
return;
}
// Update texture planes.
for (unsigned plane = 0; plane < frame->planes(); plane++) {
ASSERT(frame->requiredTextureSize(plane) == m_textureSizes[plane]);
updateTexture(context, m_textures[plane], frame->requiredTextureSize(plane), textureFormat, frame->data(plane));
}
m_dirtyRect.setSize(FloatSize());
m_contentsDirty = false;
m_provider->putCurrentFrame(frame);
}
void VideoLayerChromium::cleanupResources()
{
LayerChromium::cleanupResources();
releaseCurrentFrame();
if (!layerRenderer())
return;
GraphicsContext3D* context = layerRendererContext();
for (unsigned plane = 0; plane < VideoFrameChromium::maxPlanes; plane++) {
if (m_textures[plane])
GLC(context, context->deleteTexture(m_textures[plane]));
}
}
void VideoLayerChromium::draw()
{
if (m_skipsDraw)
return;
ASSERT(layerRenderer());
const VideoLayerChromium::SharedValues* sv = layerRenderer()->videoLayerSharedValues();
ASSERT(sv && sv->initialized());
switch (m_frameFormat) {
case VideoFrameChromium::YV12:
drawYUV(sv);
break;
case VideoFrameChromium::RGBA:
drawRGBA(sv);
break;
default:
// FIXME: Implement other paths.
notImplemented();
break;
}
releaseCurrentFrame();
}
