diff options
Diffstat (limited to 'src/mesa/swrast_setup/ss_triangle.c')
| -rw-r--r-- | src/mesa/swrast_setup/ss_triangle.c | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/src/mesa/swrast_setup/ss_triangle.c b/src/mesa/swrast_setup/ss_triangle.c index ad44b1453f..958eae3a29 100644 --- a/src/mesa/swrast_setup/ss_triangle.c +++ b/src/mesa/swrast_setup/ss_triangle.c @@ -1,8 +1,10 @@ +/* $Id: ss_triangle.c,v 1.12 2001/03/12 00:48:43 gareth Exp $ */ + /* * Mesa 3-D graphics library * Version: 3.5 * - * Copyright (C) 1999 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -35,20 +37,20 @@ #include "ss_triangle.h" #include "ss_context.h" -#define SS_RGBA_BIT 0x1 -#define SS_OFFSET_BIT 0x2 -#define SS_TWOSIDE_BIT 0x4 -#define SS_UNFILLED_BIT 0x8 +#define SS_RGBA_BIT 0x1 +#define SS_OFFSET_BIT 0x2 +#define SS_TWOSIDE_BIT 0x4 +#define SS_UNFILLED_BIT 0x8 #define SS_MAX_TRIFUNC 0x10 static triangle_func tri_tab[SS_MAX_TRIFUNC]; static quad_func quad_tab[SS_MAX_TRIFUNC]; -static void _swsetup_render_line_tri( GLcontext *ctx, +static void _swsetup_render_line_tri( GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) { - SScontext *swsetup = SWSETUP_CONTEXT(ctx); + SScontext *swsetup = SWSETUP_CONTEXT(ctx); struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; GLubyte *ef = VB->EdgeFlag; SWvertex *verts = swsetup->verts; @@ -76,13 +78,13 @@ static void _swsetup_render_line_tri( GLcontext *ctx, } if (swsetup->render_prim == GL_POLYGON) { - if (ef[e2]) _swrast_Line( ctx, v2, v0 ); - if (ef[e0]) _swrast_Line( ctx, v0, v1 ); - if (ef[e1]) _swrast_Line( ctx, v1, v2 ); + if (ef[e2]) _swrast_Line( ctx, v2, v0 ); + if (ef[e0]) _swrast_Line( ctx, v0, v1 ); + if (ef[e1]) _swrast_Line( ctx, v1, v2 ); } else { - if (ef[e0]) _swrast_Line( ctx, v0, v1 ); - if (ef[e1]) _swrast_Line( ctx, v1, v2 ); - if (ef[e2]) _swrast_Line( ctx, v2, v0 ); + if (ef[e0]) _swrast_Line( ctx, v0, v1 ); + if (ef[e1]) _swrast_Line( ctx, v1, v2 ); + if (ef[e2]) _swrast_Line( ctx, v2, v0 ); } if (ctx->_TriangleCaps & DD_FLATSHADE) { @@ -95,10 +97,10 @@ static void _swsetup_render_line_tri( GLcontext *ctx, } } -static void _swsetup_render_point_tri( GLcontext *ctx, +static void _swsetup_render_point_tri( GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) { - SScontext *swsetup = SWSETUP_CONTEXT(ctx); + SScontext *swsetup = SWSETUP_CONTEXT(ctx); struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; GLubyte *ef = VB->EdgeFlag; SWvertex *verts = swsetup->verts; @@ -125,9 +127,9 @@ static void _swsetup_render_point_tri( GLcontext *ctx, v1->index = v2->index; } - if (ef[e0]) _swrast_Point( ctx, v0 ); - if (ef[e1]) _swrast_Point( ctx, v1 ); - if (ef[e2]) _swrast_Point( ctx, v2 ); + if (ef[e0]) _swrast_Point( ctx, v0 ); + if (ef[e1]) _swrast_Point( ctx, v1 ); + if (ef[e2]) _swrast_Point( ctx, v2 ); if (ctx->_TriangleCaps & DD_FLATSHADE) { COPY_CHAN4(v0->color, c[0]); @@ -237,14 +239,14 @@ static void swsetup_points( GLcontext *ctx, GLuint first, GLuint last ) struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts; GLuint i; - + if (VB->Elts) { - for (i = first; i < last; i++) + for (i = first; i < last; i++) if (VB->ClipMask[VB->Elts[i]] == 0) _swrast_Point( ctx, &verts[VB->Elts[i]] ); } else { - for (i = first; i < last; i++) + for (i = first; i < last; i++) if (VB->ClipMask[i] == 0) _swrast_Point( ctx, &verts[i] ); } @@ -280,4 +282,3 @@ void _swsetup_choose_trifuncs( GLcontext *ctx ) swsetup->Line = swsetup_line; swsetup->Points = swsetup_points; } - |