diff options
Diffstat (limited to 'ui/gfx/surface/accelerated_surface_mac.h')
| -rw-r--r-- | ui/gfx/surface/accelerated_surface_mac.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ui/gfx/surface/accelerated_surface_mac.h b/ui/gfx/surface/accelerated_surface_mac.h index d9ee833..ad133a8 100644 --- a/ui/gfx/surface/accelerated_surface_mac.h +++ b/ui/gfx/surface/accelerated_surface_mac.h @@ -124,6 +124,8 @@ class AcceleratedSurface { // object is valid. bool SetupFrameBufferObject(GLenum target); + gfx::Size ClampToValidDimensions(const gfx::Size& size); + // The OpenGL context, and pbuffer drawable, used to transfer data // to the shared region (IOSurface or TransportDIB). Strictly // speaking, we do not need to allocate a GL context all of the @@ -147,6 +149,11 @@ class AcceleratedSurface { // make this work (or even compile). scoped_ptr<TransportDIB> transport_dib_; gfx::Size surface_size_; + // It's important to avoid allocating zero-width or zero-height + // IOSurfaces and textures on the Mac, so we clamp each to a minimum + // of 1. This is the real size of the surface; surface_size_ is what + // the user requested. + gfx::Size real_surface_size_; // TODO(kbr): the FBO management should not be in this class at all. // However, if it is factored out, care needs to be taken to not // introduce another copy of the color data on the GPU; the direct |