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 #include "framebuffer.h"
  28
  29 #include <stdio.h>
  30
  31 #include "mm.h"
  32 #include "swrast/swrast.h"
  33
  34 #include "savagedd.h"
  35 #include "savagestate.h"
  36 #include "savagespan.h"
  37 #include "savagetex.h"
  38 #include "savagetris.h"
  39 #include "savagecontext.h"
  40 #include "extensions.h"
  41
  42 #include "utils.h"
  43
  44
  45 #define DRIVER_DATE "20050829"
  46
  47 /***************************************
  48  * Mesa's Driver Functions
  49  ***************************************/
  50
  51
  52 static const GLubyte *savageDDGetString( GLcontext *ctx, GLenum name )
  53 {
  54    static char *cardNames[S3_LAST] = {
  55        "Unknown",
  56        "Savage3D",
  57        "Savage/MX/IX",
  58        "Savage4",
  59        "ProSavage",
  60        "Twister",
  61        "ProSavageDDR",
  62        "SuperSavage",
  63        "Savage2000"
  64    };
  65    static char buffer[128];
  66    savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
  67    savageScreenPrivate *screen = imesa->savageScreen;
  68    enum S3CHIPTAGS chipset = screen->chipset;
  69    unsigned offset;
  70
  71    if (chipset < S3_SAVAGE3D || chipset >= S3_LAST)
  72       chipset = S3_UNKNOWN; /* should not happen */
  73
  74    switch (name) {
  75    case GL_VENDOR:
  76       return (GLubyte *)"S3 Graphics Inc.";
  77    case GL_RENDERER:
  78       offset = driGetRendererString( buffer, cardNames[chipset], DRIVER_DATE,
  79                                      screen->agpMode );
  80       return (GLubyte *)buffer;
  81    default:
  82       return 0;
  83    }
  84 }
  85 #if 0
  86 static GLint savageGetParameteri(const GLcontext *ctx, GLint param)
  87 {
  88    switch (param) {
  89    case DD_HAVE_HARDWARE_FOG:
  90       return 1;
  91    default:
  92       return 0;
  93    }
  94 }
  95 #endif
  96
  97
  98 static void savageBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height)
  99 {
 100    GET_CURRENT_CONTEXT(ctx);
 101    savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
 102
 103    /* Need to lock to make sure the driDrawable is uptodate.  This
 104     * information is used to resize Mesa's software buffers, so it has
 105     * to be correct.
 106     */
 107    LOCK_HARDWARE(imesa);
 108    *width = imesa->driDrawable->w;
 109    *height = imesa->driDrawable->h;
 110    UNLOCK_HARDWARE(imesa);
 111 }
 112
 113
 114 void savageDDInitDriverFuncs( GLcontext *ctx )
 115 {
 116    ctx->Driver.GetBufferSize = savageBufferSize;
 117    ctx->Driver.ResizeBuffers = _mesa_resize_framebuffer;
 118    ctx->Driver.GetString = savageDDGetString;
 119 }