src/mesa/drivers/dri/r128/r128_dd.c

   1 /* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_dd.c,v 1.15 2002/10/30 12:51:38 alanh Exp $ */
   2 /**************************************************************************
   3
   4 Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
   5                                                Cedar Park, Texas.
   6 All Rights Reserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining a
   9 copy of this software and associated documentation files (the "Software"),
  10 to deal in the Software without restriction, including without limitation
  11 on the rights to use, copy, modify, merge, publish, distribute, sub
  12 license, and/or sell copies of the Software, and to permit persons to whom
  13 the Software is furnished to do so, subject to the following conditions:
  14
  15 The above copyright notice and this permission notice (including the next
  16 paragraph) shall be included in all copies or substantial portions of the
  17 Software.
  18
  19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  22 ATI, PRECISION INSIGHT AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  23 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  24 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  25 USE OR OTHER DEALINGS IN THE SOFTWARE.
  26
  27 **************************************************************************/
  28
  29 /*
  30  * Authors:
  31  *   Gareth Hughes <gareth@valinux.com>
  32  *   Kevin E. Martin <martin@valinux.com>
  33  *
  34  */
  35
  36 #include "r128_context.h"
  37 #include "r128_ioctl.h"
  38 #include "r128_state.h"
  39 #include "r128_dd.h"
  40 #include "swrast/swrast.h"
  41
  42 #include "context.h"
  43 #include "framebuffer.h"
  44
  45 #include "utils.h"
  46
  47 #define DRIVER_DATE     "20051026"
  48
  49
  50 /* Return the width and height of the current color buffer.
  51  */
  52 static void r128GetBufferSize( GLframebuffer *buffer,
  53                                  GLuint *width, GLuint *height )
  54 {
  55    GET_CURRENT_CONTEXT(ctx);
  56    r128ContextPtr rmesa = R128_CONTEXT(ctx);
  57
  58    LOCK_HARDWARE( rmesa );
  59    *width  = rmesa->driDrawable->w;
  60    *height = rmesa->driDrawable->h;
  61    UNLOCK_HARDWARE( rmesa );
  62 }
  63
  64 /* Return various strings for glGetString().
  65  */
  66 static const GLubyte *r128GetString( GLcontext *ctx, GLenum name )
  67 {
  68    r128ContextPtr rmesa = R128_CONTEXT(ctx);
  69    static char buffer[128];
  70    unsigned   offset;
  71    const char * card_name = "Rage 128";
  72    GLuint agp_mode = rmesa->r128Screen->IsPCI ? 0 :
  73       rmesa->r128Screen->AGPMode;
  74
  75    switch ( name ) {
  76    case GL_VENDOR:
  77       return (GLubyte *)"VA Linux Systems, Inc.";
  78
  79    case GL_RENDERER:
  80       /* Select the spefic chipset.
  81        */
  82       if ( R128_IS_PRO( rmesa ) ) {
  83          card_name = "Rage 128 Pro";
  84       }
  85       else if ( R128_IS_MOBILITY( rmesa ) ) {
  86          card_name = "Rage 128 Mobility";
  87       }
  88
  89       offset = driGetRendererString( buffer, card_name, DRIVER_DATE,
  90                                      agp_mode );
  91
  92       return (GLubyte *)buffer;
  93
  94    default:
  95       return NULL;
  96    }
  97 }
  98
  99 /* Send all commands to the hardware.  If vertex buffers or indirect
 100  * buffers are in use, then we need to make sure they are sent to the
 101  * hardware.  All commands that are normally sent to the ring are
 102  * already considered `flushed'.
 103  */
 104 static void r128Flush( GLcontext *ctx )
 105 {
 106    r128ContextPtr rmesa = R128_CONTEXT(ctx);
 107
 108    FLUSH_BATCH( rmesa );
 109
 110 #if ENABLE_PERF_BOXES
 111    if ( rmesa->boxes ) {
 112       LOCK_HARDWARE( rmesa );
 113       r128PerformanceBoxesLocked( rmesa );
 114       UNLOCK_HARDWARE( rmesa );
 115    }
 116
 117    /* Log the performance counters if necessary */
 118    r128PerformanceCounters( rmesa );
 119 #endif
 120 }
 121
 122 /* Make sure all commands have been sent to the hardware and have
 123  * completed processing.
 124  */
 125 static void r128Finish( GLcontext *ctx )
 126 {
 127    r128ContextPtr rmesa = R128_CONTEXT(ctx);
 128
 129 #if ENABLE_PERF_BOXES
 130    /* Bump the performance counter */
 131    rmesa->c_drawWaits++;
 132 #endif
 133
 134    r128Flush( ctx );
 135    r128WaitForIdle( rmesa );
 136 }
 137
 138
 139 /* Initialize the driver's misc functions.
 140  */
 141 void r128InitDriverFuncs( struct dd_function_table *functions )
 142 {
 143    functions->GetBufferSize     = r128GetBufferSize;
 144    functions->ResizeBuffers     = _mesa_resize_framebuffer;
 145    functions->GetString         = r128GetString;
 146    functions->Finish            = r128Finish;
 147    functions->Flush             = r128Flush;
 148 }