| /* GGI-Driver for MESA |
| * |
| * Copyright (C) 1997 Uwe Maurer |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the Free |
| * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| * --------------------------------------------------------------------- |
| * This code was derived from the following source of information: |
| * |
| * svgamesa.c and ddsample.c by Brian Paul |
| * |
| */ |
| |
| #ifndef _GGIMESA_H |
| #define _GGIMESA_H |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include "config.h" |
| #include "context.h" |
| #include "drawpix.h" |
| #include "imports.h" |
| #include "matrix.h" |
| #include "state.h" |
| #include "mtypes.h" |
| #include "macros.h" |
| #include "depth.h" |
| |
| #undef ASSERT /* ASSERT is redefined */ |
| |
| #include <ggi/internal/internal.h> |
| #include <ggi/ggi_ext.h> |
| #include <ggi/ggi.h> |
| #include "GL/ggimesa.h" |
| |
| /* |
| * GGIMesa visual configuration. |
| * |
| * This structure "derives" from Mesa's GLvisual and extends it by |
| * GGI's visual. Combination of these two structures is enough to fully |
| * describe the mode the application is currently running in. GGI |
| * visual provides information about color configuration and buffering |
| * method, GLvisual fills the rest. |
| */ |
| struct ggi_mesa_visual { |
| GLvisual gl_visual; |
| ggi_visual_t ggi_visual; |
| }; |
| |
| /* |
| * GGIMesa context. |
| * |
| * GGIMesa context expands the Mesa's context (it doesn't actualy derive |
| * from it, but this ability isn't needed, and it is best if GL context |
| * creation is left up to Mesa). It also contains a reference to the GGI |
| * visual it is attached to, which is very useful for all Mesa callbacks. |
| */ |
| struct ggi_mesa_context |
| { |
| GLcontext *gl_ctx; |
| ggi_visual_t ggi_visual; |
| |
| ggi_pixel color; /* Current color or index*/ |
| ggi_pixel clearcolor; |
| |
| void *priv; |
| }; |
| |
| #define SHIFT (GGI_COLOR_PRECISION - 8) |
| |
| #endif |
| |