src/mesa/drivers/svga/svgapix.h

   1
   2 /*
   3  * Mesa 3-D graphics library
   4  * Version:  5.0
   5  * Copyright (C) 1995-2002  Brian Paul
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with this library; if not, write to the Free
  19  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22
  23 /*
  24  * SVGA driver for Mesa.
  25  * Original author:  Brian Paul
  26  * Additional authors:  Slawomir Szczyrba <steev@hot.pl>  (Mesa 3.2)
  27  */
  28
  29
  30 #ifndef SVGAPIX_H
  31 #define SVGAPIX_H
  32
  33 #include "GL/gl.h"
  34 #include "GL/svgamesa.h"
  35 #include "main/context.h"
  36 #include "main/colormac.h"
  37 #include "vga.h"
  38
  39 struct svgamesa_context {
  40    GLcontext *gl_ctx;           /* the core Mesa context */
  41    GLvisual *gl_vis;            /* describes the color buffer */
  42    GLframebuffer *gl_buffer;    /* the ancillary buffers */
  43    GLuint clear_index;          /* current clear index */
  44    GLint clear_red,
  45          clear_green,
  46          clear_blue;            /* current clear rgb color */
  47    GLuint clear_truecolor;      /* current clear rgb color */
  48    GLushort hicolor;            /* current hicolor */
  49    GLushort clear_hicolor;      /* current clear hicolor */
  50    GLint width, height;         /* size of color buffer */
  51    GLint depth;                 /* bits per pixel (8,16,24 or 32) */
  52 };
  53
  54 typedef struct { GLubyte b,g,r; } _RGB;
  55
  56 struct svga_buffer {
  57    GLint     Depth;
  58    GLint     BufferSize;
  59    GLubyte   * FrontBuffer;
  60    GLubyte   * BackBuffer;
  61    GLubyte   * VideoRam;
  62    GLubyte   * DrawBuffer;  /* == FrontBuffer or BackBuffer */
  63    GLubyte   * ReadBuffer;  /* == FrontBuffer or BackBuffer */
  64 };
  65
  66 extern struct svga_buffer SVGABuffer;
  67 extern vga_modeinfo * SVGAInfo;
  68 extern SVGAMesaContext SVGAMesa;    /* the current context */
  69
  70 #endif /* SVGAPIX_H */