DD::Image::GPUContext Class Reference

Public Member Functions
Internal
Nuke internal use only.
void	init ()
void	fini ()
bool	isInitialised () const
void	attachGLSLProgram (void *)
void	resetAllTextureUnits ()
void	setWidth (int width)
void	setHeight (int height)
void	resetCurrentOp ()
void	incrementCurrentOp ()
void	decrementCurrentOp ()
std::string	currentOpPrefix ()
GPU
GPU context public interface.
int	acquireTextureUnit ()
void	releaseTextureUnit (int unit)
int	getNumFreeTextureUnits () const
Width and Height
Get the computed result width and height
int	width () const
int	height () const
GLSL
GLSL program interface
bool	enable () const
bool	disable () const
GLhandleARB	programHandle () const
	Program handle.
bool	bind (const std::string &name, bool v) const
	Bind a bool to the named variable.
bool	bind (const std::string &name, int v) const
	Bind an integer to the named variable.
bool	bind (const std::string &name, float v) const
	Bind a float to the named variable.
bool	bind (const std::string &name, int siz, int count, const bool v[]) const
	Bind a bvec2, bvec3 or bvec4 to the named variable.
bool	bind (const std::string &name, int siz, int count, const int v[]) const
	Bind a ivec2, ivec3 or ivec4 to the named variable.
bool	bind (const std::string &name, int siz, int count, float v[]) const
	Bind a vec2, vec3 or vec4 to the named variable.
bool	bind (const std::string &name, const Matrix3 &mat) const
	Bind a Matrix3 to the named variable.
bool	bind (const std::string &name, const Matrix4 &mat) const
	Bind a Matrix4 to the named variable.

Detailed Description

Abstracts the Viewer GPU pipeline in an independent way. To be used by GPU Ops that implement the OpenGL callbacks.