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 "main/extensions.h"
  31 #include "ffb_dd.h"
  32 #include "ffb_span.h"
  33 #include "ffb_depth.h"
  34 #include "ffb_context.h"
  35 #include "ffb_vb.h"
  36 #include "ffb_tris.h"
  37 #include "ffb_clear.h"
  38 #include "ffb_lock.h"
  39
  40 #define FFB_DATE        "20021125"
  41
  42 PUBLIC const char __driConfigOptions[] = { 0 };
  43 const GLuint __driNConfigOptions = 0;
  44
  45 /* Mesa's Driver Functions */
  46
  47 static const GLubyte *ffbDDGetString(GLcontext *ctx, GLenum name)
  48 {
  49         ffbContextPtr fmesa = FFB_CONTEXT(ctx);
  50         static char buffer[128];
  51
  52         switch (name) {
  53         case GL_VENDOR:
  54                 return (GLubyte *) "David S. Miller";
  55
  56         case GL_RENDERER:
  57                 sprintf(buffer, "Mesa DRI FFB " FFB_DATE);
  58
  59                 if (fmesa->ffb_sarea->flags & FFB_DRI_FFB2)
  60                         strncat(buffer, " FFB2", 5);
  61                 if (fmesa->ffb_sarea->flags & FFB_DRI_FFB2PLUS)
  62                         strncat(buffer, " FFB2PLUS", 9);
  63                 if (fmesa->ffb_sarea->flags & FFB_DRI_PAC1)
  64                         strncat(buffer, " PAC1", 5);
  65                 if (fmesa->ffb_sarea->flags & FFB_DRI_PAC2)
  66                         strncat(buffer, " PAC2", 5);
  67
  68 #ifdef USE_SPARC_ASM
  69                 strncat(buffer, " Sparc", 6);
  70 #endif
  71
  72                 return (GLubyte *) buffer;
  73
  74         default:
  75                 return NULL;
  76         };
  77 }
  78
  79
  80 static void ffbBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height)
  81 {
  82         GET_CURRENT_CONTEXT(ctx);
  83         ffbContextPtr fmesa = FFB_CONTEXT(ctx);
  84
  85         LOCK_HARDWARE(fmesa);
  86         *width = fmesa->driDrawable->w;
  87         *height = fmesa->driDrawable->h;
  88         UNLOCK_HARDWARE(fmesa);
  89 }
  90
  91 void ffbDDExtensionsInit(GLcontext *ctx)
  92 {
  93         /* Nothing for now until we start to add
  94          * real acceleration. -DaveM
  95          */
  96
  97         /* XXX Need to turn off GL_EXT_blend_func_separate for one.
  98          * XXX Also BlendEquation should be turned off too, what
  99          * XXX EXT is that assosciated with?
 100          */
 101 }
 102
 103 static void ffbDDFinish(GLcontext *ctx)
 104 {
 105         ffbContextPtr fmesa = FFB_CONTEXT(ctx);
 106
 107         LOCK_HARDWARE(fmesa);
 108         FFBWait(fmesa, fmesa->regs);
 109         UNLOCK_HARDWARE(fmesa);
 110 }
 111
 112 void ffbDDInitDriverFuncs(GLcontext *ctx)
 113 {
 114         ctx->Driver.GetBufferSize        = ffbBufferSize;
 115         ctx->Driver.GetString            = ffbDDGetString;
 116         ctx->Driver.Clear                = ffbDDClear;
 117
 118         ctx->Driver.Finish               = ffbDDFinish;
 119 }