s_span.c File Reference

Span processing functions used by all rasterization functions. This is where all the per-fragment tests are performed. More...

#include "main/glheader.h"
#include "main/colormac.h"
#include "main/context.h"
#include "main/macros.h"
#include "main/imports.h"
#include "main/image.h"
#include "s_atifragshader.h"
#include "s_alpha.h"
#include "s_blend.h"
#include "s_context.h"
#include "s_depth.h"
#include "s_fog.h"
#include "s_logic.h"
#include "s_masking.h"
#include "s_fragprog.h"
#include "s_span.h"
#include "s_stencil.h"
#include "s_texcombine.h"

Go to the source code of this file.

Functions
void	_swrast_span_default_attribs (GLcontext *ctx, SWspan *span)
static INLINE void	interpolate_active_attribs (GLcontext *ctx, SWspan *span, GLbitfield attrMask)
static INLINE void	interpolate_int_colors (GLcontext *ctx, SWspan *span)
static INLINE void	interpolate_float_colors (SWspan *span)
static INLINE void	interpolate_indexes (GLcontext *ctx, SWspan *span)
void	_swrast_span_interpolate_z (const GLcontext *ctx, SWspan *span)
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)
static void	interpolate_texcoords (GLcontext *ctx, SWspan *span)
static INLINE void	interpolate_wpos (GLcontext *ctx, SWspan *span)
static INLINE void	stipple_polygon_span (GLcontext *ctx, SWspan *span)
static INLINE GLuint	clip_span (GLcontext *ctx, SWspan *span)
void	_swrast_write_index_span (GLcontext *ctx, SWspan *span)
static INLINE void	add_specular (GLcontext *ctx, SWspan *span)
static INLINE void	apply_aa_coverage (SWspan *span)
static INLINE void	clamp_colors (SWspan *span)
static INLINE void	convert_color_type (SWspan *span, GLenum newType, GLuint output)
static INLINE void	shade_texture_span (GLcontext *ctx, SWspan *span)
void	_swrast_write_rgba_span (GLcontext *ctx, SWspan *span)
void	_swrast_read_rgba_span (GLcontext *ctx, struct gl_renderbuffer *rb, GLuint n, GLint x, GLint y, GLenum dstType, GLvoid *rgba)
void	_swrast_read_index_span (GLcontext *ctx, struct gl_renderbuffer *rb, GLuint n, GLint x, GLint y, GLuint index[])
void	_swrast_get_values (GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count, const GLint x[], const GLint y[], void *values, GLuint valueSize)
void	_swrast_put_row (GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count, GLint x, GLint y, const GLvoid *values, GLuint valueSize)
void	_swrast_get_row (GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count, GLint x, GLint y, GLvoid *values, GLuint valueSize)
void *	_swrast_get_dest_rgba (GLcontext *ctx, struct gl_renderbuffer *rb, SWspan *span)

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Detailed Description

Span processing functions used by all rasterization functions. This is where all the per-fragment tests are performed.

Author:

Brian Paul

Definition in file s_span.c.