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_dd.h"
  38
  39 #include "main/context.h"
  40
  41 #include "utils.h"
  42
  43 #define DRIVER_DATE     "20051027"
  44
  45
  46 /* Return the width and height of the current color buffer.
  47  */
  48 static void r128GetBufferSize( struct gl_framebuffer *buffer,
  49                                  GLuint *width, GLuint *height )
  50 {
  51    GET_CURRENT_CONTEXT(ctx);
  52    r128ContextPtr rmesa = R128_CONTEXT(ctx);
  53
  54    LOCK_HARDWARE( rmesa );
  55    *width  = rmesa->driDrawable->w;
  56    *height = rmesa->driDrawable->h;
  57    UNLOCK_HARDWARE( rmesa );
  58 }
  59
  60 /* Return various strings for glGetString().
  61  */
  62 static const GLubyte *r128GetString( struct gl_context *ctx, GLenum name )
  63 {
  64    r128ContextPtr rmesa = R128_CONTEXT(ctx);
  65    static char buffer[128];
  66    unsigned   offset;
  67    const char * card_name = "Rage 128";
  68    GLuint agp_mode = rmesa->r128Screen->IsPCI ? 0 :
  69       rmesa->r128Screen->AGPMode;
  70
  71    switch ( name ) {
  72    case GL_VENDOR:
  73       return (GLubyte *)"VA Linux Systems, Inc.";
  74
  75    case GL_RENDERER:
  76       /* Select the spefic chipset.
  77        */
  78       if ( R128_IS_PRO( rmesa ) ) {
  79          card_name = "Rage 128 Pro";
  80       }
  81       else if ( R128_IS_MOBILITY( rmesa ) ) {
  82          card_name = "Rage 128 Mobility";
  83       }
  84
  85       offset = driGetRendererString( buffer, card_name, DRIVER_DATE,
  86                                      agp_mode );
  87
  88       return (GLubyte *)buffer;
  89
  90    default:
  91       return NULL;
  92    }
  93 }
  94
  95 /* Send all commands to the hardware.  If vertex buffers or indirect
  96  * buffers are in use, then we need to make sure they are sent to the
  97  * hardware.  All commands that are normally sent to the ring are
  98  * already considered `flushed'.
  99  */
 100 static void r128Flush( struct gl_context *ctx )
 101 {
 102    r128ContextPtr rmesa = R128_CONTEXT(ctx);
 103
 104    FLUSH_BATCH( rmesa );
 105
 106 #if ENABLE_PERF_BOXES
 107    if ( rmesa->boxes ) {
 108       LOCK_HARDWARE( rmesa );
 109       r128PerformanceBoxesLocked( rmesa );
 110       UNLOCK_HARDWARE( rmesa );
 111    }
 112
 113    /* Log the performance counters if necessary */
 114    r128PerformanceCounters( rmesa );
 115 #endif
 116 }
 117
 118 /* Make sure all commands have been sent to the hardware and have
 119  * completed processing.
 120  */
 121 static void r128Finish( struct gl_context *ctx )
 122 {
 123    r128ContextPtr rmesa = R128_CONTEXT(ctx);
 124
 125 #if ENABLE_PERF_BOXES
 126    /* Bump the performance counter */
 127    rmesa->c_drawWaits++;
 128 #endif
 129
 130    r128Flush( ctx );
 131    r128WaitForIdle( rmesa );
 132 }
 133
 134
 135 /* Initialize the driver's misc functions.
 136  */
 137 void r128InitDriverFuncs( struct dd_function_table *functions )
 138 {
 139    functions->GetBufferSize     = r128GetBufferSize;
 140    functions->GetString         = r128GetString;
 141    functions->Finish            = r128Finish;
 142    functions->Flush             = r128Flush;
 143 }