bool Canvas2DLayerBridge::restoreSurface()
{
ASSERT(!m_destructionInProgress);
if (m_destructionInProgress)
return false;
ASSERT(isAccelerated() && !m_surface);
WebGraphicsContext3D* sharedContext = 0;
m_layer->clearTexture();
m_contextProvider = adoptPtr(Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
if (m_contextProvider)
sharedContext = m_contextProvider->context3d();
if (sharedContext && !sharedContext->isContextLost()) {
GrContext* grCtx = m_contextProvider->grContext();
bool surfaceIsAccelerated;
RefPtr<SkSurface> surface(createSkSurface(grCtx, m_size, m_msaaSampleCount, m_opacityMode, &surfaceIsAccelerated));
// Current paradigm does support switching from accelerated to non-accelerated, which would be tricky
// due to changes to the layer tree, which can only happen at specific times during the document lifecycle.
// Therefore, we can only accept the restored surface if it is accelerated.
if (surface.get() && surfaceIsAccelerated) {
m_surface = surface.release();
// FIXME: draw sad canvas picture into new buffer crbug.com/243842
}
}
return m_surface;
}
bool Canvas2DLayerBridge::restoreSurface()
{
ASSERT(!m_destructionInProgress);
if (m_destructionInProgress)
return false;
ASSERT(m_layer && !m_isSurfaceValid);
WebGraphicsContext3D* sharedContext = 0;
// We must clear the mailboxes before calling m_layer->clearTexture() to prevent
// re-entry via mailboxReleased from operating on defunct GrContext objects.
m_mailboxes.clear();
m_layer->clearTexture();
m_contextProvider = adoptPtr(Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
if (m_contextProvider)
sharedContext = m_contextProvider->context3d();
if (sharedContext && !sharedContext->isContextLost()) {
IntSize size(m_canvas->getTopDevice()->width(), m_canvas->getTopDevice()->height());
RefPtr<SkSurface> surface(createSkSurface(m_contextProvider->grContext(), size, m_msaaSampleCount, m_opacityMode));
if (surface.get()) {
m_surface = surface.release();
m_canvas->setSurface(m_surface.get());
m_isSurfaceValid = true;
// FIXME: draw sad canvas picture into new buffer crbug.com/243842
}
}
return m_isSurfaceValid;
}
bool Canvas2DLayerBridge::restoreSurface()
{
ASSERT(!m_destructionInProgress);
if (m_destructionInProgress)
return false;
ASSERT(m_layer && !m_surface);
WebGraphicsContext3D* sharedContext = 0;
m_layer->clearTexture();
m_contextProvider = adoptPtr(Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
if (m_contextProvider)
sharedContext = m_contextProvider->context3d();
if (sharedContext && !sharedContext->isContextLost()) {
GrContext* grCtx = m_contextProvider->grContext();
RefPtr<SkSurface> surface(createSkSurface(grCtx, m_size, m_msaaSampleCount, m_opacityMode));
if (surface.get()) {
m_surface = surface.release();
m_initialSurfaceSaveCount = m_surface->getCanvas()->getSaveCount();
// FIXME: draw sad canvas picture into new buffer crbug.com/243842
}
}
return m_surface;
}
bool Canvas2DLayerBridge::restoreSurface()
{
ASSERT(!m_destructionInProgress);
if (m_destructionInProgress)
return false;
ASSERT(m_layer && !m_isSurfaceValid);
WebGraphicsContext3D* sharedContext = 0;
m_layer->clearTexture();
m_contextProvider = adoptPtr(Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
if (m_contextProvider)
sharedContext = m_contextProvider->context3d();
if (sharedContext && !sharedContext->isContextLost()) {
SkISize skSize = m_canvas->getBaseLayerSize();
IntSize size(skSize.width(), skSize.height());
RefPtr<SkSurface> surface(createSkSurface(m_contextProvider->grContext(), size, m_msaaSampleCount, m_opacityMode));
if (surface.get()) {
m_surface = surface.release();
m_canvas->setSurface(m_surface.get());
m_isSurfaceValid = true;
// FIXME: draw sad canvas picture into new buffer crbug.com/243842
}
}
return m_isSurfaceValid;
}