(v16)

#include <assert.h>
#include <stdlib.h>
#include <GL/glew.h>
#include "slice.h"
#include "texture.h"
#include "config.glsl"

Include dependency graph for slice.c:

Go to the source code of this file.

Data Structures
struct	slice_coord
struct	slice_table

Macros
#define	FILL(next, from)
#define	INVERT(next)
#define	UPLOAD(n) glTexImage2D(GL_TEXTURE_2D, SLICE_MAX - n, GL_R16UI, 1 << n, 1 << n, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, &t->s##n[0][0])
#define	UPLOAD(n) glTexImage2D(GL_TEXTURE_2D, SLICE_MAX - n, GL_RG8UI, 1 << n, 1 << n, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, &t->c##n[0][0].i)
#define	CASE(k) case k: i = t->c##k[ii][jj].i; j = t->c##k[ii][jj].j; break

Functions
struct slice_table *	slice_table_new ()
void	slice_table_delete (struct slice_table *t)
void	slice_table_coords (struct slice_table t, int slice, int n, int i, int *j)

Data Structure Documentation

struct slice_coord

Definition at line 13 of file slice.c.

Data Fields
GLubyte	i
GLubyte	j

struct slice_table

Definition at line 18 of file slice.c.

Collaboration diagram for slice_table:

Data Fields
struct slice_coord	c0
struct slice_coord	c1
struct slice_coord	c2
struct slice_coord	c3
struct slice_coord	c4
struct slice_coord	c5
struct slice_coord	c6
struct slice_coord	c7
struct slice_coord	c8
GLuint	c_tex
GLushort	s0
GLushort	s1
GLushort	s2
GLushort	s3
GLushort	s4
GLushort	s5
GLushort	s6
GLushort	s7
GLushort	s8
GLuint	s_tex

Macro Definition Documentation

#define CASE ( k ) case k: *i = t->c##k[ii][jj].i; *j = t->c##k[ii][jj].j; break

Referenced by slice_table_coords().

#define FILL	(	next,
		from
	)

Value:

do{ \
  for (int i = 0; i < (1 << next); ++i) { \
    for (int j = 0; j < (1 << next); ++j) { \
      int k = t->s##from[i >> 1][j >> 1]; \
      int n = t->s1[i & 1][j & 1]; \
      t->s##next[i][j] = k + n * (1 << (from << 1)); \
    } \
  } \
}while(0)

Referenced by slice_table_new().

#define INVERT ( next )

Value:

do{ \
  for (int i = 0; i < (1 << next); ++i) { \
    for (int j = 0; j < (1 << next); ++j) { \
      int k = t->s##next[i][j]; \
      int ii = k >> next; \
      int jj = k - (ii << next); \
      t->c##next[ii][jj].i = i; \
      t->c##next[ii][jj].j = j; \
    } \
  } \
}while(0)