s_aaline.c File Reference

#include "main/glheader.h"
#include "main/imports.h"
#include "main/macros.h"
#include "main/mtypes.h"
#include "swrast/s_aaline.h"
#include "swrast/s_context.h"
#include "swrast/s_span.h"
#include "swrast/swrast.h"
#include "s_aalinetemp.h"

Go to the source code of this file.

Data Structures
struct	LineInfo
Defines
#define	SUB_PIXEL   4
#define	SOLVE_PLANE(X, Y, PLANE)   ((PLANE[3] + PLANE[0] * (X) + PLANE[1] * (Y)) / -PLANE[2])
#define	NAME(x)   aa_ci_##x
#define	DO_Z
#define	DO_ATTRIBS   /* for fog */
#define	DO_INDEX
#define	NAME(x)   aa_rgba_##x
#define	DO_Z
#define	DO_RGBA
#define	NAME(x)   aa_general_rgba_##x
#define	DO_Z
#define	DO_RGBA
#define	DO_ATTRIBS
Typedefs
typedef void(*	plot_func )(GLcontext *ctx, struct LineInfo *line, int ix, int iy)
Functions
static void	compute_plane (GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1, GLfloat z0, GLfloat z1, GLfloat plane[4])
static INLINE void	constant_plane (GLfloat value, GLfloat plane[4])
static INLINE GLfloat	solve_plane (GLfloat x, GLfloat y, const GLfloat plane[4])
static INLINE GLfloat	solve_plane_recip (GLfloat x, GLfloat y, const GLfloat plane[4])
static INLINE GLchan	solve_plane_chan (GLfloat x, GLfloat y, const GLfloat plane[4])
static INLINE GLfloat	compute_lambda (const GLfloat sPlane[4], const GLfloat tPlane[4], GLfloat invQ, GLfloat width, GLfloat height)
static void	make_sample_table (GLint xSamples, GLint ySamples, GLfloat samples[][2])
static GLfloat	compute_coveragef (const struct LineInfo *info, GLint winx, GLint winy)
static GLfloat	compute_coveragei (const struct LineInfo *info, GLint winx, GLint winy)
static void	segment (GLcontext *ctx, struct LineInfo *line, plot_func plot, GLfloat t0, GLfloat t1)
void	_swrast_choose_aa_line_function (GLcontext *ctx)