CGLContextObj d_prevContext
Context that was active before ours was activated.
Definition: ApplePBTextureTarget.h:79
void deactivate()
Deactivate the render target after having completed rendering.
void clear()
Clear the surface of the underlying texture.
void restoreTexture()
Restore the texture from the locally buffered copy previously create by a call to grabTexture.
void declareRenderSize(const Sizef &sz)
Used to declare to the TextureTarget the largest size, in pixels, of the next set of incoming renderi...
CGLContextObj d_context
The GL context that's used by this TextureTarget.
Definition: ApplePBTextureTarget.h:75
CGLPBufferObj d_pbuffer
The current pbuffer object used by this TextureTarget.
Definition: ApplePBTextureTarget.h:73
OpenGLTextureTarget - Common base class for all OpenGL render targets based on some form of RTT suppo...
Definition: RendererModules/OpenGL/TextureTarget.h:47
GLint d_screen
virtual screen used by the "parent" context
Definition: ApplePBTextureTarget.h:77
void grabTexture()
Grab the texture to a local buffer.
void disablePBuffer() const
Switch rendering to target what was active before the pbuffer was used.
static const float DEFAULT_SIZE
default size of created texture objects
Definition: ApplePBTextureTarget.h:61
void initialiseTexture()
Perform basic initialisation of the texture we're going to use.
OpenGLApplePBTextureTarget - allows rendering to an OpenGL texture via the Apple pbuffer extension.
Definition: ApplePBTextureTarget.h:44
void enablePBuffer() const
Switch rendering so it targets the pbuffer.
void activate()
Activate the render target and put it in a state ready to be drawn to.