src/mesa/drivers/dri/ffb/ffb_dd.c

   1 /* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_dd.c,v 1.4 2002/09/11 19:49:07 tsi Exp $
   2  *
   3  * GLX Hardware Device Driver for Sun Creator/Creator3D
   4  * Copyright (C) 2000, 2001 David S. Miller
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * DAVID MILLER, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
  22  * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  *
  25  *    David S. Miller <davem@redhat.com>
  26  */
  27
  28 #include "mtypes.h"
  29 #include "mm.h"
  30 #include "ffb_dd.h"
  31 #include "ffb_span.h"
  32 #include "ffb_depth.h"
  33 #include "ffb_context.h"
  34 #include "ffb_vb.h"
  35 #include "ffb_tris.h"
  36 #include "ffb_clear.h"
  37 #include "ffb_lock.h"
  38 #include "extensions.h"
  39
  40 #define FFB_DATE        "20021125"
  41
  42 /* Mesa's Driver Functions */
  43
  44 static const GLubyte *ffbDDGetString(GLcontext *ctx, GLenum name)
  45 {
  46         ffbContextPtr fmesa = FFB_CONTEXT(ctx);
  47         static char buffer[128];
  48
  49         switch (name) {
  50         case GL_VENDOR:
  51                 return (GLubyte *) "David S. Miller";
  52
  53         case GL_RENDERER:
  54                 sprintf(buffer, "Mesa DRI FFB " FFB_DATE);
  55
  56                 if (fmesa->ffb_sarea->flags & FFB_DRI_FFB2)
  57                         strncat(buffer, " FFB2", 5);
  58                 if (fmesa->ffb_sarea->flags & FFB_DRI_FFB2PLUS)
  59                         strncat(buffer, " FFB2PLUS", 9);
  60                 if (fmesa->ffb_sarea->flags & FFB_DRI_PAC1)
  61                         strncat(buffer, " PAC1", 5);
  62                 if (fmesa->ffb_sarea->flags & FFB_DRI_PAC2)
  63                         strncat(buffer, " PAC2", 5);
  64
  65 #ifdef USE_SPARC_ASM
  66                 strncat(buffer, " Sparc", 6);
  67 #endif
  68
  69                 return (GLubyte *) buffer;
  70
  71         default:
  72                 return NULL;
  73         };
  74 }
  75
  76
  77 static void ffbBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height)
  78 {
  79         GET_CURRENT_CONTEXT(ctx);
  80         ffbContextPtr fmesa = FFB_CONTEXT(ctx);
  81
  82         LOCK_HARDWARE(fmesa);
  83         *width = fmesa->driDrawable->w;
  84         *height = fmesa->driDrawable->h;
  85         UNLOCK_HARDWARE(fmesa);
  86 }
  87
  88 void ffbDDExtensionsInit(GLcontext *ctx)
  89 {
  90         /* Nothing for now until we start to add
  91          * real acceleration. -DaveM
  92          */
  93
  94         /* XXX Need to turn off GL_EXT_blend_func_separate for one.
  95          * XXX Also BlendEquation should be turned off too, what
  96          * XXX EXT is that assosciated with?
  97          */
  98 }
  99
 100 static void ffbDDFinish(GLcontext *ctx)
 101 {
 102         ffbContextPtr fmesa = FFB_CONTEXT(ctx);
 103
 104         LOCK_HARDWARE(fmesa);
 105         FFBWait(fmesa, fmesa->regs);
 106         UNLOCK_HARDWARE(fmesa);
 107 }
 108
 109 void ffbDDInitDriverFuncs(GLcontext *ctx)
 110 {
 111         ctx->Driver.GetBufferSize        = ffbBufferSize;
 112         ctx->Driver.GetString            = ffbDDGetString;
 113         ctx->Driver.Clear                = ffbDDClear;
 114
 115         ctx->Driver.Finish               = ffbDDFinish;
 116 }