scissor.c File Reference

#include "main/glheader.h"
#include "main/context.h"
#include "main/scissor.h"

Functions
void GLAPIENTRY	_mesa_Scissor (GLint x, GLint y, GLsizei width, GLsizei height)
	Called via glScissor.
void	_mesa_set_scissor (GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height)
	Define the scissor box.
void	_mesa_init_scissor (GLcontext *ctx)
	Initialize the context's scissor state.

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Function Documentation

void _mesa_init_scissor

(

GLcontext *

ctx

)

Initialize the context's scissor state.

Parameters:

ctx

the GL context.

void GLAPIENTRY _mesa_Scissor	(	GLint	x,
		GLint	y,
		GLsizei	width,
		GLsizei	height
	)

Called via glScissor.

void _mesa_set_scissor	(	GLcontext *	ctx,
		GLint	x,
		GLint	y,
		GLsizei	width,
		GLsizei	height
	)

Define the scissor box.

Parameters:

	x,y	coordinates of the scissor box lower-left corner.
	width	width of the scissor box.
	height	height of the scissor box.

See also:

glScissor().

Verifies the parameters and updates __GLcontextRec::Scissor. On a change flushes the vertices and notifies the driver via the dd_function_table::Scissor callback.

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