src/mesa/drivers/dri/savage/savagedd.c

   1 /*
   2  * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #include "mtypes.h"
  27
  28 #include <stdio.h>
  29
  30 #include "mm.h"
  31 #include "swrast/swrast.h"
  32
  33 #include "savagedd.h"
  34 #include "savagestate.h"
  35 #include "savagespan.h"
  36 #include "savagetex.h"
  37 #include "savagetris.h"
  38 #include "savagecontext.h"
  39 #include "extensions.h"
  40
  41
  42 /***************************************
  43  * Mesa's Driver Functions
  44  ***************************************/
  45
  46
  47 static const GLubyte *savageDDGetString( GLcontext *ctx, GLenum name )
  48 {
  49    switch (name) {
  50    case GL_VENDOR:
  51       return (GLubyte *)"S3 Graphics Inc.";
  52    case GL_RENDERER:
  53       return (GLubyte *)"Mesa DRI SAVAGE Linux_1.1.18";
  54    default:
  55       return 0;
  56    }
  57 }
  58 #if 0
  59 static GLint savageGetParameteri(const GLcontext *ctx, GLint param)
  60 {
  61    switch (param) {
  62    case DD_HAVE_HARDWARE_FOG:
  63       return 1;
  64    default:
  65       return 0;
  66    }
  67 }
  68 #endif
  69
  70
  71 static void savageBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height)
  72 {
  73    GET_CURRENT_CONTEXT(ctx);
  74    savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
  75
  76    /* Need to lock to make sure the driDrawable is uptodate.  This
  77     * information is used to resize Mesa's software buffers, so it has
  78     * to be correct.
  79     */
  80    LOCK_HARDWARE(imesa);
  81    *width = imesa->driDrawable->w;
  82    *height = imesa->driDrawable->h;
  83    UNLOCK_HARDWARE(imesa);
  84 }
  85
  86
  87 void savageDDInitDriverFuncs( GLcontext *ctx )
  88 {
  89    ctx->Driver.GetBufferSize = savageBufferSize;
  90    ctx->Driver.ResizeBuffers = _swrast_alloc_buffers;
  91    ctx->Driver.GetString = savageDDGetString;
  92 }