Index: content/common/gpu/image_transport_surface_linux.cc |
diff --git a/content/common/gpu/image_transport_surface_linux.cc b/content/common/gpu/image_transport_surface_linux.cc |
index 33891606bbf1c5bb0d10d933fbb781e4be2dcc8c..034ff7fe8ee5a69d0d89e4b6c8125a93d63fbaa6 100644 |
--- a/content/common/gpu/image_transport_surface_linux.cc |
+++ b/content/common/gpu/image_transport_surface_linux.cc |
@@ -56,6 +56,7 @@ class EGLImageTransportSurface : public ImageTransportSurface, |
uint64 surface_id, TransportDIB::Handle surface_handle) OVERRIDE; |
virtual void OnBuffersSwappedACK() OVERRIDE; |
virtual void OnResize(gfx::Size size) OVERRIDE; |
+ virtual void OnSurfaceVisible(bool visible) OVERRIDE; |
private: |
virtual ~EGLImageTransportSurface() OVERRIDE; |
@@ -94,6 +95,7 @@ class GLXImageTransportSurface : public ImageTransportSurface, |
uint64 surface_id, TransportDIB::Handle surface_handle) OVERRIDE; |
virtual void OnBuffersSwappedACK() OVERRIDE; |
virtual void OnResize(gfx::Size size) OVERRIDE; |
+ virtual void OnSurfaceVisible(bool visible) OVERRIDE; |
private: |
virtual ~GLXImageTransportSurface(); |
@@ -140,6 +142,7 @@ class OSMesaImageTransportSurface : public ImageTransportSurface, |
uint64 surface_id, TransportDIB::Handle surface_handle) OVERRIDE; |
virtual void OnBuffersSwappedACK() OVERRIDE; |
virtual void OnResize(gfx::Size size) OVERRIDE; |
+ virtual void OnSurfaceVisible(bool visible) OVERRIDE; |
private: |
virtual ~OSMesaImageTransportSurface(); |
@@ -246,6 +249,15 @@ void EGLImageTransportSurface::OnResize(gfx::Size size) { |
helper_->SetScheduled(false); |
} |
+void EGLImageTransportSurface::OnSurfaceVisible(bool visible) { |
+ if (!visible && back_surface_.get() && front_surface_.get()) { |
+ ReleaseSurface(&back_surface_); |
+ } else if (visible && !back_surface_.get() && front_surface_.get()) { |
+ // Leverage the OnResize hook because it does exactly what we want |
+ OnResize(front_surface_->size()); |
+ } |
+} |
+ |
bool EGLImageTransportSurface::SwapBuffers() { |
front_surface_.swap(back_surface_); |
DCHECK_NE(front_surface_.get(), static_cast<AcceleratedSurface*>(NULL)); |
@@ -389,6 +401,10 @@ void GLXImageTransportSurface::OnResize(gfx::Size size) { |
helper_->SetScheduled(false); |
} |
+void GLXImageTransportSurface::OnSurfaceVisible(bool visible) { |
+ NOTREACHED(); |
jonathan.backer
2011/10/07 15:48:37
Probably will be reached?
You'll need to add this
|
+} |
+ |
bool GLXImageTransportSurface::SwapBuffers() { |
gfx::NativeViewGLSurfaceGLX::SwapBuffers(); |
glFlush(); |
@@ -493,6 +509,10 @@ void OSMesaImageTransportSurface::OnResize(gfx::Size size) { |
helper_->SetScheduled(false); |
} |
+void OSMesaImageTransportSurface::OnSurfaceVisible(bool visible) { |
+ NOTREACHED(); |
+} |
+ |
void OSMesaImageTransportSurface::OnNewSurfaceACK( |
uint64 surface_id, TransportDIB::Handle surface_handle) { |
shared_id_ = surface_id; |