zbuf.c File Reference

#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_math_base.h"
#include "zbuf.h"

Go to the source code of this file.

Functions
void	zbuf_alloc_span (ZSpan *zspan, int rectx, int recty)
void	zbuf_free_span (ZSpan *zspan)
static void	zbuf_init_span (ZSpan *zspan)
static void	zbuf_add_to_span (ZSpan *zspan, const float v1[2], const float v2[2])
void	zspan_scanconvert (ZSpan *zspan, void *handle, float *v1, float *v2, float *v3, void(*func)(void *, int, int, float, float))

Function Documentation

zbuf_add_to_span()

static void zbuf_add_to_span ( ZSpan *  zspan, const float  v1[2], const float  v2[2]  )

static

Definition at line 77 of file zbuf.c.

References ceil(), floor(), ZSpan::maxp1, ZSpan::maxp2, ZSpan::maxy1, ZSpan::maxy2, min_ff(), ZSpan::minp1, ZSpan::minp2, ZSpan::miny1, ZSpan::miny2, NULL, ZSpan::recty, ZSpan::span1, ZSpan::span2, v1, v2, and y.

Referenced by zspan_scanconvert().

zbuf_alloc_span()

void zbuf_alloc_span	(	ZSpan *	zspan,
		int	rectx,
		int	recty
	)

Definition at line 45 of file zbuf.c.

References MEM_mallocN, ZSpan::rectx, ZSpan::recty, ZSpan::span1, and ZSpan::span2.

zbuf_free_span()

void zbuf_free_span

(

ZSpan *

zspan

)

Definition at line 56 of file zbuf.c.

References MEM_freeN, NULL, ZSpan::span1, and ZSpan::span2.

zbuf_init_span()

static void zbuf_init_span ( ZSpan *  zspan )

static

Definition at line 70 of file zbuf.c.

References ZSpan::maxp1, ZSpan::maxp2, ZSpan::maxy1, ZSpan::maxy2, ZSpan::minp1, ZSpan::minp2, ZSpan::miny1, ZSpan::miny2, NULL, and ZSpan::recty.

Referenced by zspan_scanconvert().

zspan_scanconvert()

void zspan_scanconvert	(	ZSpan *	zspan,
		void *	handle,
		float *	v1,
		float *	v2,
		float *	v3,
		void(*)(void *, int, int, float, float)	func
	)

Definition at line 181 of file zbuf.c.

References double(), floor(), max_ff(), max_ii(), ZSpan::maxp2, ZSpan::maxy1, ZSpan::maxy2, min_ff(), min_ii(), ZSpan::minp2, ZSpan::miny1, ZSpan::miny2, NULL, ZSpan::rectx, ZSpan::span1, ZSpan::span2, v, v1, v2, x, x2, y, y1, zbuf_add_to_span(), and zbuf_init_span().

Referenced by RE_bake_pixels_populate().