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

   1 /*
   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 "main/mtypes.h"
  29 #include "main/mm.h"
  30 #include "ffb_dd.h"
  31 #include "ffb_span.h"
  32 #include "ffb_context.h"
  33 #include "ffb_clear.h"
  34 #include "ffb_lock.h"
  35
  36 #define FFB_DATE        "20021125"
  37
  38 PUBLIC const char __driConfigOptions[] = { 0 };
  39 const GLuint __driNConfigOptions = 0;
  40
  41 /* Mesa's Driver Functions */
  42
  43 static const GLubyte *ffbDDGetString(GLcontext *ctx, GLenum name)
  44 {
  45         ffbContextPtr fmesa = FFB_CONTEXT(ctx);
  46         static char buffer[128];
  47
  48         switch (name) {
  49         case GL_VENDOR:
  50                 return (GLubyte *) "David S. Miller";
  51
  52         case GL_RENDERER:
  53                 sprintf(buffer, "Mesa DRI FFB " FFB_DATE);
  54
  55                 if (fmesa->ffb_sarea->flags & FFB_DRI_FFB2)
  56                         strncat(buffer, " FFB2", 5);
  57                 if (fmesa->ffb_sarea->flags & FFB_DRI_FFB2PLUS)
  58                         strncat(buffer, " FFB2PLUS", 9);
  59                 if (fmesa->ffb_sarea->flags & FFB_DRI_PAC1)
  60                         strncat(buffer, " PAC1", 5);
  61                 if (fmesa->ffb_sarea->flags & FFB_DRI_PAC2)
  62                         strncat(buffer, " PAC2", 5);
  63
  64 #ifdef USE_SPARC_ASM
  65                 strncat(buffer, " Sparc", 6);
  66 #endif
  67
  68                 return (GLubyte *) buffer;
  69
  70         default:
  71                 return NULL;
  72         };
  73 }
  74
  75
  76 static void ffbBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height)
  77 {
  78         GET_CURRENT_CONTEXT(ctx);
  79         ffbContextPtr fmesa = FFB_CONTEXT(ctx);
  80
  81         LOCK_HARDWARE(fmesa);
  82         *width = fmesa->driDrawable->w;
  83         *height = fmesa->driDrawable->h;
  84         UNLOCK_HARDWARE(fmesa);
  85 }
  86
  87 void ffbDDExtensionsInit(GLcontext *ctx)
  88 {
  89         /* Nothing for now until we start to add
  90          * real acceleration. -DaveM
  91          */
  92
  93         /* XXX Need to turn off GL_EXT_blend_func_separate for one.
  94          * XXX Also BlendEquation should be turned off too, what
  95          * XXX EXT is that assosciated with?
  96          */
  97 }
  98
  99 static void ffbDDFinish(GLcontext *ctx)
 100 {
 101         ffbContextPtr fmesa = FFB_CONTEXT(ctx);
 102
 103         LOCK_HARDWARE(fmesa);
 104         FFBWait(fmesa, fmesa->regs);
 105         UNLOCK_HARDWARE(fmesa);
 106 }
 107
 108 void ffbDDInitDriverFuncs(GLcontext *ctx)
 109 {
 110         ctx->Driver.GetBufferSize        = ffbBufferSize;
 111         ctx->Driver.GetString            = ffbDDGetString;
 112         ctx->Driver.Clear                = ffbDDClear;
 113
 114         ctx->Driver.Finish               = ffbDDFinish;
 115 }