core  array_cache  math  swrast  swrast_setup  tnl  tnl_dd             

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s_context.h File Reference

Software rasterization context and private types. More...

#include "mtypes.h"
#include "swrast.h"

Data Structures
struct	span_arrays
	Arrays of fragment values. More...
struct	sw_span
	Contains data for either a horizontal line or a set of pixels that are passed through a pipeline of functions before being drawn. More...
struct	SWcontext
	SWContext? More...
Defines
#define	SPAN_RGBA   0x001
#define	SPAN_SPEC   0x002
#define	SPAN_INDEX   0x004
#define	SPAN_Z   0x008
#define	SPAN_W   0x010
#define	SPAN_FOG   0x020
#define	SPAN_TEXTURE   0x040
#define	SPAN_INT_TEXTURE   0x080
#define	SPAN_LAMBDA   0x100
#define	SPAN_COVERAGE   0x200
#define	SPAN_FLAT   0x400
	flat shading? More...
#define	SPAN_XY   0x800
	sw_span::arrayMask only - for span_arrays::x, span_arrays::y. More...
#define	SPAN_MASK   0x1000
	sw_span::arrayMask only. More...
#define	INIT_SPAN(S, PRIMITIVE, END, INTERP_MASK, ARRAY_MASK)
#define	ALPHATEST_BIT   0x001
	Alpha-test pixels. More...
#define	BLEND_BIT   0x002
	Blend pixels. More...
#define	DEPTH_BIT   0x004
	Depth-test pixels. More...
#define	FOG_BIT   0x008
	Fog pixels. More...
#define	LOGIC_OP_BIT   0x010
	Apply logic op in software. More...
#define	CLIP_BIT   0x020
	Scissor or window clip pixels. More...
#define	STENCIL_BIT   0x040
	Stencil pixels. More...
#define	MASKING_BIT   0x080
	Do glColorMask or glIndexMask. More...
#define	ALPHABUF_BIT   0x100
	Using software alpha buffer. More...
#define	MULTI_DRAW_BIT   0x400
	buffer or no buffers. More...
#define	OCCLUSION_BIT   0x800
	GL_HP_occlusion_test enabled. More...
#define	TEXTURE_BIT   0x1000
	Texturing really enabled. More...
#define	FRAGPROG_BIT   0x2000
	Fragment program enabled. More...
#define	_SWRAST_NEW_RASTERMASK
#define	SWRAST_CONTEXT(ctx)   ((SWcontext *)ctx->swrast_context)
#define	RENDER_START(SWctx, GLctx)
#define	RENDER_FINISH(SWctx, GLctx)
#define	ChanToFixed(X)   (X)
#define	FixedToChan(X)   (X)
Typedefs
typedef void(*	texture_sample_func )(GLcontext *ctx, GLuint texUnit, const struct gl_texture_object *tObj, GLuint n, const GLfloat texcoords[][4], const GLfloat lambda[], GLchan rgba[][4])
typedef GLuint	n
typedef GLuint const GLubyte	mask []
typedef GLuint const GLubyte GLchan	src [][4]
typedef GLuint const GLubyte GLchan CONST GLchan	dst [][4]
typedef void(*	swrast_point_func )(GLcontext *ctx, const SWvertex *)
typedef void(*	swrast_line_func )(GLcontext *ctx, const SWvertex *, const SWvertex *)
typedef void(*	swrast_tri_func )(GLcontext *ctx, const SWvertex *, const SWvertex *, const SWvertex *)
Functions
typedef	void (_ASMAPIP blend_func)(GLcontext *ctx
void	_swrast_validate_derived (GLcontext *ctx)
void	_swrast_translate_program (GLcontext *ctx)
GLboolean	_swrast_execute_codegen_program (GLcontext *ctx, const struct fragment_program *program, GLuint maxInst, struct fp_machine *machine, const struct sw_span *span, GLuint column)

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Detailed Description

Software rasterization context and private types.

Author:

Keith Whitwell <keith@tungstengraphics.com>

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Define Documentation

#define _SWRAST_NEW_RASTERMASK

Value: (_NEW_BUFFERS| \ _NEW_SCISSOR| \ _NEW_COLOR| \ _NEW_DEPTH| \ _NEW_FOG| \ _NEW_PROGRAM| \ _NEW_STENCIL| \ _NEW_TEXTURE| \ _NEW_VIEWPORT| \ _NEW_DEPTH)

#define ChanToFixed (  X    )     (X)

#define FixedToChan (  X    )     (X)

#define INIT_SPAN (  S, PRIMITIVE, END, INTERP_MASK, ARRAY_MASK    )

Value: do { \ (S).primitive = (PRIMITIVE); \ (S).interpMask = (INTERP_MASK); \ (S).arrayMask = (ARRAY_MASK); \ (S).start = 0; \ (S).end = (END); \ (S).facing = 0; \ (S).array = SWRAST_CONTEXT(ctx)->SpanArrays; \ } while (0)

#define RENDER_FINISH (  SWctx, GLctx    )

Value: do { \ if ((SWctx)->Driver.SpanRenderFinish) { \ (*(SWctx)->Driver.SpanRenderFinish)(GLctx); \ } \ } while (0)

#define RENDER_START (  SWctx, GLctx    )

Value: do { \ if ((SWctx)->Driver.SpanRenderStart) { \ (*(SWctx)->Driver.SpanRenderStart)(GLctx); \ } \ } while (0)

#define SWRAST_CONTEXT (  ctx    )     ((SWcontext *)ctx->swrast_context)

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Typedef Documentation

typedef GLuint const GLubyte GLchan CONST GLchan dst[][4]

typedef GLuint const GLubyte mask[]

typedef GLuint n

typedef GLuint const GLubyte GLchan src[][4]

typedef void(* swrast_line_func)( GLcontext *ctx, const SWvertex *, const SWvertex *)

typedef void(* swrast_point_func)( GLcontext *ctx, const SWvertex *)

typedef void(* swrast_tri_func)( GLcontext *ctx, const SWvertex *, const SWvertex *, const SWvertex *)

typedef void(* texture_sample_func)(GLcontext *ctx, GLuint texUnit, const struct gl_texture_object *tObj, GLuint n, const GLfloat texcoords[][4], const GLfloat lambda[], GLchan rgba[][4])

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Function Documentation

GLboolean _swrast_execute_codegen_program (  GLcontext *    ctx, const struct fragment_program *    program, GLuint    maxInst, struct fp_machine *    machine, const struct sw_span *    span, GLuint    column )

void _swrast_translate_program (  GLcontext *    ctx )

void _swrast_validate_derived (  GLcontext *    ctx )

typedef void (  _ASMAPIP    blend_func )

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