#ifndef S_SPAN_H
#define S_SPAN_H
#include "mtypes.h"
#include "swrast.h"
extern void
_swrast_span_default_z( GLcontext *ctx, SWspan *span );
extern void
_swrast_span_interpolate_z( const GLcontext *ctx, SWspan *span );
extern void
_swrast_span_default_fog( GLcontext *ctx, SWspan *span );
extern void
_swrast_span_default_color( GLcontext *ctx, SWspan *span );
extern void
_swrast_span_default_texcoords( GLcontext *ctx, SWspan *span );
extern GLfloat
_swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy,
GLfloat dqdx, GLfloat dqdy, GLfloat texW, GLfloat texH,
GLfloat s, GLfloat t, GLfloat q, GLfloat invQ);
extern void
_swrast_write_index_span( GLcontext *ctx, SWspan *span);
extern void
_swrast_write_rgba_span( GLcontext *ctx, SWspan *span);
extern void
_swrast_read_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y, GLenum type, GLvoid *rgba);
extern void
_swrast_read_index_span( GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y, GLuint indx[] );
extern void
_swrast_get_values(GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint count, const GLint x[], const GLint y[],
void *values, GLuint valueSize);
extern void
_swrast_put_row(GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint count, GLint x, GLint y,
const GLvoid *values, GLuint valueSize);
extern void
_swrast_get_row(GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint count, GLint x, GLint y,
GLvoid *values, GLuint valueSize);
extern void *
_swrast_get_dest_rgba(GLcontext *ctx, struct gl_renderbuffer *rb,
SWspan *span);
#endif