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

   1 /**************************************************************************
   2
   3 Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
   4                                                Cedar Park, Texas.
   5 All Rights Reserved.
   6
   7 Permission is hereby granted, free of charge, to any person obtaining a
   8 copy of this software and associated documentation files (the "Software"),
   9 to deal in the Software without restriction, including without limitation
  10 on the rights to use, copy, modify, merge, publish, distribute, sub
  11 license, and/or sell copies of the Software, and to permit persons to whom
  12 the Software is furnished to do so, subject to the following conditions:
  13
  14 The above copyright notice and this permission notice (including the next
  15 paragraph) shall be included in all copies or substantial portions of the
  16 Software.
  17
  18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21 ATI, PRECISION INSIGHT AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  22 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24 USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26 **************************************************************************/
  27
  28 /*
  29  * Authors:
  30  *   Gareth Hughes <gareth@valinux.com>
  31  *   Kevin E. Martin <martin@valinux.com>
  32  *
  33  */
  34
  35 #include "r128_context.h"
  36 #include "r128_ioctl.h"
  37 #include "r128_state.h"
  38 #include "r128_dd.h"
  39 #include "swrast/swrast.h"
  40
  41 #include "context.h"
  42 #include "framebuffer.h"
  43
  44 #include "utils.h"
  45
  46 #define DRIVER_DATE     "20051027"
  47
  48
  49 /* Return the width and height of the current color buffer.
  50  */
  51 static void r128GetBufferSize( GLframebuffer *buffer,
  52                                  GLuint *width, GLuint *height )
  53 {
  54    GET_CURRENT_CONTEXT(ctx);
  55    r128ContextPtr rmesa = R128_CONTEXT(ctx);
  56
  57    LOCK_HARDWARE( rmesa );
  58    *width  = rmesa->driDrawable->w;
  59    *height = rmesa->driDrawable->h;
  60    UNLOCK_HARDWARE( rmesa );
  61 }
  62
  63 /* Return various strings for glGetString().
  64  */
  65 static const GLubyte *r128GetString( GLcontext *ctx, GLenum name )
  66 {
  67    r128ContextPtr rmesa = R128_CONTEXT(ctx);
  68    static char buffer[128];
  69    unsigned   offset;
  70    const char * card_name = "Rage 128";
  71    GLuint agp_mode = rmesa->r128Screen->IsPCI ? 0 :
  72       rmesa->r128Screen->AGPMode;
  73
  74    switch ( name ) {
  75    case GL_VENDOR:
  76       return (GLubyte *)"VA Linux Systems, Inc.";
  77
  78    case GL_RENDERER:
  79       /* Select the spefic chipset.
  80        */
  81       if ( R128_IS_PRO( rmesa ) ) {
  82          card_name = "Rage 128 Pro";
  83       }
  84       else if ( R128_IS_MOBILITY( rmesa ) ) {
  85          card_name = "Rage 128 Mobility";
  86       }
  87
  88       offset = driGetRendererString( buffer, card_name, DRIVER_DATE,
  89                                      agp_mode );
  90
  91       return (GLubyte *)buffer;
  92
  93    default:
  94       return NULL;
  95    }
  96 }
  97
  98 /* Send all commands to the hardware.  If vertex buffers or indirect
  99  * buffers are in use, then we need to make sure they are sent to the
 100  * hardware.  All commands that are normally sent to the ring are
 101  * already considered `flushed'.
 102  */
 103 static void r128Flush( GLcontext *ctx )
 104 {
 105    r128ContextPtr rmesa = R128_CONTEXT(ctx);
 106
 107    FLUSH_BATCH( rmesa );
 108
 109 #if ENABLE_PERF_BOXES
 110    if ( rmesa->boxes ) {
 111       LOCK_HARDWARE( rmesa );
 112       r128PerformanceBoxesLocked( rmesa );
 113       UNLOCK_HARDWARE( rmesa );
 114    }
 115
 116    /* Log the performance counters if necessary */
 117    r128PerformanceCounters( rmesa );
 118 #endif
 119 }
 120
 121 /* Make sure all commands have been sent to the hardware and have
 122  * completed processing.
 123  */
 124 static void r128Finish( GLcontext *ctx )
 125 {
 126    r128ContextPtr rmesa = R128_CONTEXT(ctx);
 127
 128 #if ENABLE_PERF_BOXES
 129    /* Bump the performance counter */
 130    rmesa->c_drawWaits++;
 131 #endif
 132
 133    r128Flush( ctx );
 134    r128WaitForIdle( rmesa );
 135 }
 136
 137
 138 /* Initialize the driver's misc functions.
 139  */
 140 void r128InitDriverFuncs( struct dd_function_table *functions )
 141 {
 142    functions->GetBufferSize     = r128GetBufferSize;
 143    functions->GetString         = r128GetString;
 144    functions->Finish            = r128Finish;
 145    functions->Flush             = r128Flush;
 146 }