t_vb_render.c File Reference

#include "main/glheader.h"
#include "main/context.h"
#include "main/enums.h"
#include "main/macros.h"
#include "main/imports.h"
#include "main/mtypes.h"
#include "t_pipeline.h"
#include "t_vb_cliptmp.h"
#include "t_vb_rendertmp.h"

Defines
#define	W(i)   coord[i][3]
#define	Z(i)   coord[i][2]
#define	Y(i)   coord[i][1]
#define	X(i)   coord[i][0]
#define	SIZE   4
#define	TAG(x)   x##_4
#define	NEED_EDGEFLAG_SETUP   (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL)
#define	EDGEFLAG_GET(idx)   VB->EdgeFlag[idx]
#define	EDGEFLAG_SET(idx, val)   VB->EdgeFlag[idx] = val
#define	CLIPMASK   (CLIP_FRUSTUM_BITS | CLIP_CULL_BIT)
#define	RENDER_POINTS(start, count)   tnl->Driver.Render.Points( ctx, start, count )
#define	RENDER_LINE(v1, v2)
#define	RENDER_TRI(v1, v2, v3)
#define	RENDER_QUAD(v1, v2, v3, v4)
#define	LOCAL_VARS
#define	TAG(x)   clip_##x##_verts
#define	INIT(x)   tnl->Driver.Render.PrimitiveNotify( ctx, x )
#define	RESET_STIPPLE   if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
#define	PRESERVE_VB_DEFS
#define	ELT(x)   elt[x]
#define	TAG(x)   clip_##x##_elts
#define	NEED_EDGEFLAG_SETUP   (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL)
#define	EDGEFLAG_GET(idx)   VB->EdgeFlag[idx]
#define	EDGEFLAG_SET(idx, val)   VB->EdgeFlag[idx] = val
#define	RENDER_POINTS(start, count)   tnl->Driver.Render.Points( ctx, start, count )
#define	RENDER_LINE(v1, v2)   LineFunc( ctx, v1, v2 )
#define	RENDER_TRI(v1, v2, v3)   TriangleFunc( ctx, v1, v2, v3 )
#define	RENDER_QUAD(v1, v2, v3, v4)   QuadFunc( ctx, v1, v2, v3, v4 )
#define	TAG(x)   _tnl_##x##_verts
#define	LOCAL_VARS
#define	RESET_STIPPLE   if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
#define	INIT(x)   tnl->Driver.Render.PrimitiveNotify( ctx, x )
#define	RENDER_TAB_QUALIFIER
#define	PRESERVE_VB_DEFS
#define	TAG(x)   _tnl_##x##_elts
#define	ELT(x)   elt[x]
Functions
static void	clip_elt_triangles (GLcontext *ctx, GLuint start, GLuint count, GLuint flags)
void	_tnl_RenderClippedPolygon (GLcontext *ctx, const GLuint *elts, GLuint n)
void	_tnl_RenderClippedLine (GLcontext *ctx, GLuint ii, GLuint jj)
static GLboolean	run_render (GLcontext *ctx, struct tnl_pipeline_stage *stage)
Variables
struct tnl_pipeline_stage	_tnl_render_stage

---

Define Documentation

#define CLIPMASK   (CLIP_FRUSTUM_BITS | CLIP_CULL_BIT)

#define EDGEFLAG_GET

(

idx

)

VB->EdgeFlag[idx]

#define EDGEFLAG_GET

(

idx

)

VB->EdgeFlag[idx]

#define EDGEFLAG_SET	(	idx,
		val		)	VB->EdgeFlag[idx] = val

#define EDGEFLAG_SET	(	idx,
		val		)	VB->EdgeFlag[idx] = val

#define ELT

(

x

)

elt[x]

#define ELT

(

x

)

elt[x]

#define INIT

(

x

)

tnl->Driver.Render.PrimitiveNotify( ctx, x )

#define INIT

(

x

)

tnl->Driver.Render.PrimitiveNotify( ctx, x )

#define LOCAL_VARS

Value:

TNLcontext *tnl = TNL_CONTEXT(ctx);                             \
   struct vertex_buffer *VB = &tnl->vb;                         \
   const GLuint * const elt = VB->Elts;                         \
   const tnl_line_func LineFunc = tnl->Driver.Render.Line;              \
   const tnl_triangle_func TriangleFunc = tnl->Driver.Render.Triangle;  \
   const tnl_quad_func QuadFunc = tnl->Driver.Render.Quad;              \
   const GLboolean stipple = ctx->Line.StippleFlag;             \
   (void) (LineFunc && TriangleFunc && QuadFunc);               \
   (void) elt; (void) stipple

#define LOCAL_VARS

Value:

TNLcontext *tnl = TNL_CONTEXT(ctx);                             \
   struct vertex_buffer *VB = &tnl->vb;                         \
   const GLuint * const elt = VB->Elts;                         \
   const GLubyte *mask = VB->ClipMask;                          \
   const GLuint sz = VB->ClipPtr->size;                         \
   const tnl_line_func LineFunc = tnl->Driver.Render.Line;              \
   const tnl_triangle_func TriangleFunc = tnl->Driver.Render.Triangle;  \
   const tnl_quad_func QuadFunc = tnl->Driver.Render.Quad;              \
   const GLboolean stipple = ctx->Line.StippleFlag;             \
   (void) (LineFunc && TriangleFunc && QuadFunc);               \
   (void) elt; (void) mask; (void) sz; (void) stipple;

#define NEED_EDGEFLAG_SETUP   (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL)

#define NEED_EDGEFLAG_SETUP   (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL)

#define PRESERVE_VB_DEFS

#define PRESERVE_VB_DEFS

#define RENDER_LINE	(	v1,
		v2		)	LineFunc( ctx, v1, v2 )

#define RENDER_LINE	(	v1,
		v2		)

Value:

do {                                            \
   GLubyte c1 = mask[v1], c2 = mask[v2];        \
   GLubyte ormask = c1|c2;                      \
   if (!ormask)                                 \
      LineFunc( ctx, v1, v2 );                  \
   else if (!(c1 & c2 & CLIPMASK))                      \
      clip_line_4( ctx, v1, v2, ormask );       \
} while (0)

#define RENDER_POINTS	(	start,
		count		)	tnl->Driver.Render.Points( ctx, start, count )

#define RENDER_POINTS	(	start,
		count		)	tnl->Driver.Render.Points( ctx, start, count )

#define RENDER_QUAD	(	v1,
		v2,
		v3,
		v4		)	QuadFunc( ctx, v1, v2, v3, v4 )

#define RENDER_QUAD	(	v1,
		v2,
		v3,
		v4		)

Value:

do {                                                    \
   GLubyte c1 = mask[v1], c2 = mask[v2];                \
   GLubyte c3 = mask[v3], c4 = mask[v4];                \
   GLubyte ormask = c1|c2|c3|c4;                        \
   if (!ormask)                                         \
      QuadFunc( ctx, v1, v2, v3, v4 );                  \
   else if (!(c1 & c2 & c3 & c4 & CLIPMASK))            \
      clip_quad_4( ctx, v1, v2, v3, v4, ormask );       \
} while (0)

#define RENDER_TAB_QUALIFIER

#define RENDER_TRI	(	v1,
		v2,
		v3		)	TriangleFunc( ctx, v1, v2, v3 )

#define RENDER_TRI	(	v1,
		v2,
		v3		)

Value:

do {                                                    \
   GLubyte c1 = mask[v1], c2 = mask[v2], c3 = mask[v3]; \
   GLubyte ormask = c1|c2|c3;                           \
   if (!ormask)                                         \
      TriangleFunc( ctx, v1, v2, v3 );                  \
   else if (!(c1 & c2 & c3 & CLIPMASK))                         \
      clip_tri_4( ctx, v1, v2, v3, ormask );            \
} while (0)

#define RESET_STIPPLE   if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )

#define RESET_STIPPLE   if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )

#define SIZE   4

#define TAG

(

x

)

_tnl_##x##_elts

#define TAG

(

x

)

_tnl_##x##_verts

#define TAG

(

x

)

clip_##x##_elts

#define TAG

(

x

)

clip_##x##_verts

#define TAG

(

x

)

x##_4

#define W

(

i

)

coord[i][3]

#define X

(

i

)

coord[i][0]

#define Y

(

i

)

coord[i][1]

#define Z

(

i

)

coord[i][2]

---

Function Documentation

void _tnl_RenderClippedLine	(	GLcontext *	ctx,
		GLuint	ii,
		GLuint	jj
	)

void _tnl_RenderClippedPolygon	(	GLcontext *	ctx,
		const GLuint *	elts,
		GLuint	n
	)

static void clip_elt_triangles	(	GLcontext *	ctx,
		GLuint	start,
		GLuint	count,
		GLuint	flags
	)			[static]

static GLboolean run_render	(	GLcontext *	ctx,
		struct tnl_pipeline_stage *	stage
	)			[static]

---

Variable Documentation

struct tnl_pipeline_stage _tnl_render_stage

Initial value:

{
   "render",                    
   NULL,                        
   NULL,                        
   NULL,                        
   NULL,                        
   run_render                   
}

---