src/mesa/drivers/dri/nouveau/nouveau_context.c

   1 /**************************************************************************
   2
   3 Copyright 2006 Stephane Marchesin
   4 All Rights Reserved.
   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 on the rights to use, copy, modify, merge, publish, distribute, sub
  10 license, and/or sell copies of the Software, and to permit persons to whom
  11 the Software is furnished to do so, subject to the following conditions:
  12
  13 The above copyright notice and this permission notice (including the next
  14 paragraph) shall be included in all copies or substantial portions of the
  15 Software.
  16
  17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  20 ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP BE LIABLE FOR ANY CLAIM,
  21 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  22 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  23 USE OR OTHER DEALINGS IN THE SOFTWARE.
  24
  25 **************************************************************************/
  26
  27 #include "glheader.h"
  28 #include "context.h"
  29 #include "simple_list.h"
  30 #include "imports.h"
  31 #include "matrix.h"
  32 #include "swrast/swrast.h"
  33 #include "swrast_setup/swrast_setup.h"
  34 #include "array_cache/acache.h"
  35
  36 #include "tnl/tnl.h"
  37 #include "tnl/t_pipeline.h"
  38 #include "tnl/t_vp_build.h"
  39
  40 #include "drivers/common/driverfuncs.h"
  41
  42 #include "nouveau_context.h"
  43 #include "nouveau_driver.h"
  44 //#include "nouveau_state.h"
  45 #include "nouveau_span.h"
  46 #include "nouveau_object.h"
  47 #include "nouveau_fifo.h"
  48 #include "nouveau_tex.h"
  49 #include "nouveau_msg.h"
  50 #include "nv10_swtcl.h"
  51
  52 #include "vblank.h"
  53 #include "utils.h"
  54 #include "texmem.h"
  55 #include "xmlpool.h" /* for symbolic values of enum-type options */
  56
  57 #ifndef NOUVEAU_DEBUG
  58 int NOUVEAU_DEBUG = 0;
  59 #endif
  60
  61 static const struct dri_debug_control debug_control[] =
  62 {
  63         { NULL,    0 }
  64 };
  65
  66 const struct dri_extension common_extensions[] =
  67 {
  68         { NULL,    0 }
  69 };
  70
  71 /* Create the device specific context.
  72  */
  73 GLboolean nouveauCreateContext( const __GLcontextModes *glVisual,
  74                 __DRIcontextPrivate *driContextPriv,
  75                 void *sharedContextPrivate )
  76 {
  77         GLcontext *ctx, *shareCtx;
  78         __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
  79         struct dd_function_table functions;
  80         nouveauContextPtr nmesa;
  81         nouveauScreenPtr screen;
  82
  83         /* Allocate the context */
  84         nmesa = (nouveauContextPtr) CALLOC( sizeof(*nmesa) );
  85         if ( !nmesa )
  86                 return GL_FALSE;
  87
  88         nmesa->driContext = driContextPriv;
  89         nmesa->driScreen = sPriv;
  90         nmesa->driDrawable = NULL;
  91         nmesa->hHWContext = driContextPriv->hHWContext;
  92         nmesa->driHwLock = &sPriv->pSAREA->lock;
  93         nmesa->driFd = sPriv->fd;
  94
  95         nmesa->screen = (nouveauScreenPtr)(sPriv->private);
  96         screen=nmesa->screen;
  97
  98         /* Create the hardware context */
  99         if (!nouveauFifoInit(nmesa))
 100            return GL_FALSE;
 101         nouveauObjectInit(nmesa);
 102
 103         /* Init default driver functions then plug in our nouveau-specific functions
 104          * (the texture functions are especially important)
 105          */
 106         _mesa_init_driver_functions( &functions );
 107         nouveauDriverInitFunctions( &functions );
 108         nouveauTexInitFunctions( &functions );
 109
 110         /* Allocate the Mesa context */
 111         if (sharedContextPrivate)
 112                 shareCtx = ((nouveauContextPtr) sharedContextPrivate)->glCtx;
 113         else
 114                 shareCtx = NULL;
 115         nmesa->glCtx = _mesa_create_context(glVisual, shareCtx,
 116                         &functions, (void *) nmesa);
 117         if (!nmesa->glCtx) {
 118                 FREE(nmesa);
 119                 return GL_FALSE;
 120         }
 121         driContextPriv->driverPrivate = nmesa;
 122         ctx = nmesa->glCtx;
 123
 124         /* Parse configuration files */
 125         driParseConfigFiles (&nmesa->optionCache, &screen->optionCache,
 126                         screen->driScreen->myNum, "nouveau");
 127
 128         nmesa->sarea = (drm_nouveau_sarea_t *)((char *)sPriv->pSAREA +
 129                         screen->sarea_priv_offset);
 130
 131
 132         nmesa->current_primitive = -1;
 133
 134         nouveauShaderInitFuncs(ctx);
 135         /* Install Mesa's fixed-function shader support */
 136         if (nmesa->screen->card->type >= NV_40) {
 137                 ctx->_MaintainTnlProgram    = GL_TRUE;
 138                 ctx->_MaintainTexEnvProgram = GL_TRUE;
 139         }
 140
 141         /* Initialize the swrast */
 142         _swrast_CreateContext( ctx );
 143         _ac_CreateContext( ctx );
 144         _tnl_CreateContext( ctx );
 145         _swsetup_CreateContext( ctx );
 146
 147         _math_matrix_ctr(&nmesa->viewport);
 148
 149         nouveauDDInitStateFuncs( ctx );
 150         nouveauSpanInitFunctions( ctx );
 151         nouveauDDInitState( nmesa );
 152         switch(nmesa->screen->card->type)
 153         {
 154                 case NV_03:
 155                         //nv03TriInitFunctions( ctx );
 156                         break;
 157                 case NV_04:
 158                 case NV_05:
 159                         //nv04TriInitFunctions( ctx );
 160                         break;
 161                 case NV_10:
 162                 case NV_20:
 163                 case NV_30:
 164                 case NV_40:
 165                 case G_70:
 166                 default:
 167                         nv10TriInitFunctions( ctx );
 168                         break;
 169         }
 170
 171         nouveauInitState(ctx);
 172
 173         driContextPriv->driverPrivate = (void *)nmesa;
 174
 175         NOUVEAU_DEBUG = driParseDebugString( getenv( "NOUVEAU_DEBUG" ),
 176                         debug_control );
 177
 178         if (driQueryOptionb(&nmesa->optionCache, "no_rast")) {
 179                 fprintf(stderr, "disabling 3D acceleration\n");
 180                 FALLBACK(nmesa, NOUVEAU_FALLBACK_DISABLE, 1);
 181         }
 182
 183         return GL_TRUE;
 184 }
 185
 186 /* Destroy the device specific context. */
 187 void nouveauDestroyContext( __DRIcontextPrivate *driContextPriv  )
 188 {
 189         nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 190
 191         assert(nmesa);
 192         if ( nmesa ) {
 193                 /* free the option cache */
 194                 driDestroyOptionCache (&nmesa->optionCache);
 195
 196                 FREE( nmesa );
 197         }
 198
 199 }
 200
 201
 202 /* Force the context `c' to be the current context and associate with it
 203  * buffer `b'.
 204  */
 205 GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
 206                 __DRIdrawablePrivate *driDrawPriv,
 207                 __DRIdrawablePrivate *driReadPriv )
 208 {
 209         if ( driContextPriv ) {
 210                 GET_CURRENT_CONTEXT(ctx);
 211                 nouveauContextPtr oldNOUVEAUCtx = ctx ? NOUVEAU_CONTEXT(ctx) : NULL;
 212                 nouveauContextPtr newNOUVEAUCtx = (nouveauContextPtr) driContextPriv->driverPrivate;
 213
 214                 driDrawableInitVBlank(driDrawPriv, newNOUVEAUCtx->vblank_flags, &newNOUVEAUCtx->vblank_seq );
 215                 newNOUVEAUCtx->driDrawable = driDrawPriv;
 216
 217                 _mesa_make_current( newNOUVEAUCtx->glCtx,
 218                                 (GLframebuffer *) driDrawPriv->driverPrivate,
 219                                 (GLframebuffer *) driReadPriv->driverPrivate );
 220
 221         } else {
 222                 _mesa_make_current( NULL, NULL, NULL );
 223         }
 224
 225         return GL_TRUE;
 226 }
 227
 228
 229 /* Force the context `c' to be unbound from its buffer.
 230  */
 231 GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv )
 232 {
 233         return GL_TRUE;
 234 }
 235
 236 void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv)
 237 {
 238 }
 239
 240 void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
 241                           int x, int y, int w, int h)
 242 {
 243 }
 244