Support for planar rectangle intersection operations. This is used to track damage rectangles to optimize HVD compositing blit operations. More...

#include "std.h"

Data Structures
struct	rectlist_t
	A rectangle list structure, used to represent a set of planar rectangles. More...

Typedefs
typedef struct rectlist_t	rectlist_t
	A rectangle list structure, used to represent a set of planar rectangles. More...

Functions
rectlist_t *	rectlist_create (int32 x1, int32 y1, int32 x2, int32 y2)
	Allocate and initialize a planar rectangle. More...

void	rectlist_insert (rectlist_t *set, rectlist_t in)
	Insert a rectangle into a set of planar rectangles. More...

HqBool	rectlist_intersect (const rectlist_t set, rectlist_t in, rectlist_t intersects, rectlist_t nointersects)
	Intersect a new rectangle with a set of planar rectangles, producing two sets of planar rectangles that cover the new rectangle. More...

void	rectlist_coalesce (rectlist_t **set)
	Coalesce a set of planar rectangles into fewer rectangles, if possible. More...

void	rectlist_destroy (rectlist_t **set)
	Destroy a planar rectangle set. More...

Detailed Description

Support for planar rectangle intersection operations. This is used to track damage rectangles to optimize HVD compositing blit operations.

Data Structures