| /* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_points.c,v 1.2 2002/02/22 21:32:59 dawes Exp $ |
| * |
| * GLX Hardware Device Driver for Sun Creator/Creator3D |
| * Copyright (C) 2000, 2001 David S. Miller |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * DAVID MILLER, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE |
| * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * |
| * David S. Miller <davem@redhat.com> |
| */ |
| |
| #include "mtypes.h" |
| #include "ffb_dd.h" |
| #include "ffb_context.h" |
| #include "ffb_vb.h" |
| #include "ffb_points.h" |
| #include "ffb_tris.h" |
| #include "ffb_lock.h" |
| |
| |
| #undef FFB_POINT_TRACE |
| |
| #define FFB_POINT_AA_BIT 0x01 |
| |
| static ffb_point_func ffb_point_tab[0x08]; |
| |
| #define IND (0) |
| #define TAG(x) x |
| #include "ffb_pointtmp.h" |
| |
| #define IND (FFB_POINT_AA_BIT) |
| #define TAG(x) x##_aa |
| #include "ffb_pointtmp.h" |
| |
| void ffbDDPointfuncInit(void) |
| { |
| init(); |
| init_aa(); |
| } |
| |
| static void ffb_dd_points( GLcontext *ctx, GLuint first, GLuint last ) |
| { |
| struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb; |
| ffbContextPtr fmesa = FFB_CONTEXT(ctx); |
| ffb_vertex *fverts = fmesa->verts; |
| int i; |
| |
| if (VB->Elts == 0) { |
| for ( i = first ; i < last ; i++ ) { |
| if ( VB->ClipMask[i] == 0 ) { |
| fmesa->draw_point( ctx, &fverts[i] ); |
| } |
| } |
| } else { |
| for ( i = first ; i < last ; i++ ) { |
| GLuint e = VB->Elts[i]; |
| if ( VB->ClipMask[e] == 0 ) { |
| fmesa->draw_point( ctx, &fverts[e] ); |
| } |
| } |
| } |
| } |
| |
| void ffbChoosePointState(GLcontext *ctx) |
| { |
| ffbContextPtr fmesa = FFB_CONTEXT(ctx); |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| GLuint flags = ctx->_TriangleCaps; |
| GLuint ind = 0; |
| |
| tnl->Driver.Render.Points = ffb_dd_points; |
| |
| if (flags & DD_POINT_SMOOTH) |
| ind |= FFB_POINT_AA_BIT; |
| |
| fmesa->draw_point = ffb_point_tab[ind]; |
| } |