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 "framebuffer.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 "nouveau_reg.h"
  51 #include "nouveau_lock.h"
  52 #include "nouveau_query.h"
  53 #include "nv04_swtcl.h"
  54 #include "nv10_swtcl.h"
  55
  56 #include "vblank.h"
  57 #include "utils.h"
  58 #include "texmem.h"
  59 #include "xmlpool.h" /* for symbolic values of enum-type options */
  60
  61 #ifndef NOUVEAU_DEBUG
  62 int NOUVEAU_DEBUG = 0;
  63 #endif
  64
  65 static const struct dri_debug_control debug_control[] =
  66 {
  67         { "shaders"   , DEBUG_SHADERS    },
  68         { "mem"       , DEBUG_MEM        },
  69         { "bufferobj" , DEBUG_BUFFEROBJ  },
  70         { NULL        , 0                }
  71 };
  72
  73 #define need_GL_ARB_vertex_program
  74 #define need_GL_ARB_occlusion_query
  75 #include "extension_helper.h"
  76
  77 const struct dri_extension common_extensions[] =
  78 {
  79         { NULL,    0 }
  80 };
  81
  82 const struct dri_extension nv10_extensions[] =
  83 {
  84         { NULL,    0 }
  85 };
  86
  87 const struct dri_extension nv20_extensions[] =
  88 {
  89         { NULL,    0 }
  90 };
  91
  92 const struct dri_extension nv30_extensions[] =
  93 {
  94         { "GL_ARB_fragment_program",    NULL                            },
  95         { NULL,    0 }
  96 };
  97
  98 const struct dri_extension nv40_extensions[] =
  99 {
 100    /* ARB_vp can be moved to nv20/30 once the shader backend has been
 101     * written for those cards.
 102     */
 103         { "GL_ARB_vertex_program",      GL_ARB_vertex_program_functions },
 104         { "GL_ARB_occlusion_query",     GL_ARB_occlusion_query_functions},
 105         { NULL, 0 }
 106 };
 107
 108 const struct dri_extension nv50_extensions[] =
 109 {
 110         { NULL,    0 }
 111 };
 112
 113 /* Create the device specific context.
 114  */
 115 GLboolean nouveauCreateContext( const __GLcontextModes *glVisual,
 116                 __DRIcontextPrivate *driContextPriv,
 117                 void *sharedContextPrivate )
 118 {
 119         GLcontext *ctx, *shareCtx;
 120         __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
 121         struct dd_function_table functions;
 122         nouveauContextPtr nmesa;
 123         nouveauScreenPtr screen;
 124
 125         /* Allocate the context */
 126         nmesa = (nouveauContextPtr) CALLOC( sizeof(*nmesa) );
 127         if ( !nmesa )
 128                 return GL_FALSE;
 129
 130         nmesa->driContext = driContextPriv;
 131         nmesa->driScreen = sPriv;
 132         nmesa->driDrawable = NULL;
 133         nmesa->hHWContext = driContextPriv->hHWContext;
 134         nmesa->driHwLock = &sPriv->pSAREA->lock;
 135         nmesa->driFd = sPriv->fd;
 136
 137         nmesa->screen = (nouveauScreenPtr)(sPriv->private);
 138         screen=nmesa->screen;
 139
 140         /* Create the hardware context */
 141         if (!nouveauDRMGetParam(nmesa, NOUVEAU_GETPARAM_FB_PHYSICAL,
 142                                 &nmesa->vram_phys))
 143            return GL_FALSE;
 144         if (!nouveauDRMGetParam(nmesa, NOUVEAU_GETPARAM_FB_SIZE,
 145                                 &nmesa->vram_size))
 146            return GL_FALSE;
 147         if (!nouveauDRMGetParam(nmesa, NOUVEAU_GETPARAM_AGP_PHYSICAL,
 148                                 &nmesa->gart_phys))
 149            return GL_FALSE;
 150         if (!nouveauDRMGetParam(nmesa, NOUVEAU_GETPARAM_AGP_SIZE,
 151                                 &nmesa->gart_size))
 152            return GL_FALSE;
 153         if (!nouveauFifoInit(nmesa))
 154            return GL_FALSE;
 155         nouveauObjectInit(nmesa);
 156
 157
 158         /* Init default driver functions then plug in our nouveau-specific functions
 159          * (the texture functions are especially important)
 160          */
 161         _mesa_init_driver_functions( &functions );
 162         nouveauDriverInitFunctions( &functions );
 163         nouveauTexInitFunctions( &functions );
 164
 165         /* Allocate the Mesa context */
 166         if (sharedContextPrivate)
 167                 shareCtx = ((nouveauContextPtr) sharedContextPrivate)->glCtx;
 168         else
 169                 shareCtx = NULL;
 170         nmesa->glCtx = _mesa_create_context(glVisual, shareCtx,
 171                         &functions, (void *) nmesa);
 172         if (!nmesa->glCtx) {
 173                 FREE(nmesa);
 174                 return GL_FALSE;
 175         }
 176         driContextPriv->driverPrivate = nmesa;
 177         ctx = nmesa->glCtx;
 178
 179         /* Parse configuration files */
 180         driParseConfigFiles (&nmesa->optionCache, &screen->optionCache,
 181                         screen->driScreen->myNum, "nouveau");
 182
 183         nmesa->sarea = (struct drm_nouveau_sarea *)((char *)sPriv->pSAREA +
 184                         screen->sarea_priv_offset);
 185
 186         /* Enable any supported extensions */
 187         driInitExtensions(ctx, common_extensions, GL_TRUE);
 188         if (nmesa->screen->card->type >= NV_10)
 189                 driInitExtensions(ctx, nv10_extensions, GL_FALSE);
 190         if (nmesa->screen->card->type >= NV_20)
 191                 driInitExtensions(ctx, nv20_extensions, GL_FALSE);
 192         if (nmesa->screen->card->type >= NV_30)
 193                 driInitExtensions(ctx, nv30_extensions, GL_FALSE);
 194         if (nmesa->screen->card->type >= NV_40)
 195                 driInitExtensions(ctx, nv40_extensions, GL_FALSE);
 196         if (nmesa->screen->card->type >= NV_50)
 197                 driInitExtensions(ctx, nv50_extensions, GL_FALSE);
 198
 199         nmesa->current_primitive = -1;
 200
 201         nouveauShaderInitFuncs(ctx);
 202         /* Install Mesa's fixed-function texenv shader support */
 203         if (nmesa->screen->card->type >= NV_40)
 204                 ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 205
 206         /* Initialize the swrast */
 207         _swrast_CreateContext( ctx );
 208         _vbo_CreateContext( ctx );
 209         _tnl_CreateContext( ctx );
 210         _swsetup_CreateContext( ctx );
 211
 212         _math_matrix_ctr(&nmesa->viewport);
 213
 214         nouveauDDInitStateFuncs( ctx );
 215         nouveauSpanInitFunctions( ctx );
 216         nouveauDDInitState( nmesa );
 217         switch(nmesa->screen->card->type)
 218         {
 219                 case NV_03:
 220                         //nv03TriInitFunctions( ctx );
 221                         break;
 222                 case NV_04:
 223                 case NV_05:
 224                         nv04TriInitFunctions( ctx );
 225                         break;
 226                 case NV_10:
 227                 case NV_17:
 228                 case NV_20:
 229                 case NV_30:
 230                 case NV_40:
 231                 case NV_44:
 232                 case NV_50:
 233                 default:
 234                         nv10TriInitFunctions( ctx );
 235                         break;
 236         }
 237
 238         nouveauInitBufferObjects(ctx);
 239         if (!nouveauSyncInitFuncs(ctx))
 240            return GL_FALSE;
 241         nouveauQueryInitFuncs(ctx);
 242         nmesa->hw_func.InitCard(nmesa);
 243         nouveauInitState(ctx);
 244
 245         driContextPriv->driverPrivate = (void *)nmesa;
 246
 247         NOUVEAU_DEBUG = driParseDebugString( getenv( "NOUVEAU_DEBUG" ),
 248                         debug_control );
 249
 250         if (driQueryOptionb(&nmesa->optionCache, "no_rast")) {
 251                 fprintf(stderr, "disabling 3D acceleration\n");
 252                 FALLBACK(nmesa, NOUVEAU_FALLBACK_DISABLE, 1);
 253         }
 254
 255         return GL_TRUE;
 256 }
 257
 258 /* Destroy the device specific context. */
 259 void nouveauDestroyContext( __DRIcontextPrivate *driContextPriv  )
 260 {
 261         nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 262
 263         assert(nmesa);
 264         if ( nmesa ) {
 265                 /* free the option cache */
 266                 driDestroyOptionCache (&nmesa->optionCache);
 267
 268                 FREE( nmesa );
 269         }
 270
 271 }
 272
 273
 274 /* Force the context `c' to be the current context and associate with it
 275  * buffer `b'.
 276  */
 277 GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
 278                 __DRIdrawablePrivate *driDrawPriv,
 279                 __DRIdrawablePrivate *driReadPriv )
 280 {
 281         if ( driContextPriv ) {
 282                 nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 283                 struct gl_framebuffer *draw_fb =
 284                         (struct gl_framebuffer*)driDrawPriv->driverPrivate;
 285                 struct gl_framebuffer *read_fb =
 286                         (struct gl_framebuffer*)driReadPriv->driverPrivate;
 287
 288                 driDrawableInitVBlank(driDrawPriv, nmesa->vblank_flags, &nmesa->vblank_seq );
 289                 nmesa->driDrawable = driDrawPriv;
 290
 291                 _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 292                                          driDrawPriv->w, driDrawPriv->h);
 293                 if (draw_fb != read_fb) {
 294                         _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 295                                                  driReadPriv->w,
 296                                                  driReadPriv->h);
 297                 }
 298                 _mesa_make_current(nmesa->glCtx, draw_fb, read_fb);
 299
 300                 nouveau_build_framebuffer(nmesa->glCtx,
 301                                           driDrawPriv->driverPrivate);
 302         } else {
 303                 _mesa_make_current( NULL, NULL, NULL );
 304         }
 305
 306         return GL_TRUE;
 307 }
 308
 309
 310 /* Force the context `c' to be unbound from its buffer.
 311  */
 312 GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv )
 313 {
 314         return GL_TRUE;
 315 }
 316
 317 static void nouveauDoSwapBuffers(nouveauContextPtr nmesa,
 318                                  __DRIdrawablePrivate *dPriv)
 319 {
 320         struct gl_framebuffer *fb;
 321         nouveau_renderbuffer *src, *dst;
 322         drm_clip_rect_t *box;
 323         int nbox, i;
 324
 325         fb = (struct gl_framebuffer *)dPriv->driverPrivate;
 326         dst = (nouveau_renderbuffer*)
 327                 fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
 328         src = (nouveau_renderbuffer*)
 329                 fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
 330
 331 #ifdef ALLOW_MULTI_SUBCHANNEL
 332         LOCK_HARDWARE(nmesa);
 333         nbox = dPriv->numClipRects;
 334         box  = dPriv->pClipRects;
 335
 336         if (nbox) {
 337                 BEGIN_RING_SIZE(NvSubCtxSurf2D,
 338                                 NV10_CONTEXT_SURFACES_2D_FORMAT, 4);
 339                 if (src->mesa._ActualFormat == GL_RGBA8)
 340                         OUT_RING       (6); /* X8R8G8B8 */
 341                 else
 342                         OUT_RING       (4); /* R5G6B5 */
 343                 OUT_RING       ((dst->pitch << 16) | src->pitch);
 344                 OUT_RING       (src->offset);
 345                 OUT_RING       (dst->offset);
 346         }
 347
 348         for (i=0; i<nbox; i++, box++) {
 349                 BEGIN_RING_SIZE(NvSubImageBlit, NV10_IMAGE_BLIT_SET_POINT, 3);
 350                 OUT_RING       (((box->y1 - dPriv->y) << 16) |
 351                                 (box->x1 - dPriv->x));
 352                 OUT_RING       ((box->y1 << 16) | box->x1);
 353                 OUT_RING       (((box->y2 - box->y1) << 16) |
 354                                 (box->x2 - box->x1));
 355         }
 356         FIRE_RING();
 357
 358         UNLOCK_HARDWARE(nmesa);
 359 #endif
 360 }
 361
 362 void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv)
 363 {
 364         if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
 365                 nouveauContextPtr nmesa = dPriv->driContextPriv->driverPrivate;
 366
 367                 if (nmesa->glCtx->Visual.doubleBufferMode) {
 368                         _mesa_notifySwapBuffers(nmesa->glCtx);
 369                         nouveauDoSwapBuffers(nmesa, dPriv);
 370                 }
 371
 372         }
 373 }
 374
 375 void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
 376                           int x, int y, int w, int h)
 377 {
 378 }
 379