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_11:
 228                 case NV_17:
 229                 case NV_20:
 230                 case NV_30:
 231                 case NV_40:
 232                 case NV_44:
 233                 case NV_50:
 234                 default:
 235                         nv10TriInitFunctions( ctx );
 236                         break;
 237         }
 238
 239         nouveauInitBufferObjects(ctx);
 240         if (!nouveauSyncInitFuncs(ctx))
 241            return GL_FALSE;
 242         nouveauQueryInitFuncs(ctx);
 243         nmesa->hw_func.InitCard(nmesa);
 244         nouveauInitState(ctx);
 245
 246         driContextPriv->driverPrivate = (void *)nmesa;
 247
 248         NOUVEAU_DEBUG = driParseDebugString( getenv( "NOUVEAU_DEBUG" ),
 249                         debug_control );
 250
 251         if (driQueryOptionb(&nmesa->optionCache, "no_rast")) {
 252                 fprintf(stderr, "disabling 3D acceleration\n");
 253                 FALLBACK(nmesa, NOUVEAU_FALLBACK_DISABLE, 1);
 254         }
 255
 256         return GL_TRUE;
 257 }
 258
 259 /* Destroy the device specific context. */
 260 void nouveauDestroyContext( __DRIcontextPrivate *driContextPriv  )
 261 {
 262         nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 263
 264         assert(nmesa);
 265         if ( nmesa ) {
 266                 /* free the option cache */
 267                 driDestroyOptionCache (&nmesa->optionCache);
 268
 269                 FREE( nmesa );
 270         }
 271
 272 }
 273
 274
 275 /* Force the context `c' to be the current context and associate with it
 276  * buffer `b'.
 277  */
 278 GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
 279                 __DRIdrawablePrivate *driDrawPriv,
 280                 __DRIdrawablePrivate *driReadPriv )
 281 {
 282         if ( driContextPriv ) {
 283                 nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 284                 struct gl_framebuffer *draw_fb =
 285                         (struct gl_framebuffer*)driDrawPriv->driverPrivate;
 286                 struct gl_framebuffer *read_fb =
 287                         (struct gl_framebuffer*)driReadPriv->driverPrivate;
 288
 289                 driDrawableInitVBlank(driDrawPriv, nmesa->vblank_flags, &nmesa->vblank_seq );
 290                 nmesa->driDrawable = driDrawPriv;
 291
 292                 _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 293                                          driDrawPriv->w, driDrawPriv->h);
 294                 if (draw_fb != read_fb) {
 295                         _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 296                                                  driReadPriv->w,
 297                                                  driReadPriv->h);
 298                 }
 299                 _mesa_make_current(nmesa->glCtx, draw_fb, read_fb);
 300
 301                 nouveau_build_framebuffer(nmesa->glCtx,
 302                                           driDrawPriv->driverPrivate);
 303         } else {
 304                 _mesa_make_current( NULL, NULL, NULL );
 305         }
 306
 307         return GL_TRUE;
 308 }
 309
 310
 311 /* Force the context `c' to be unbound from its buffer.
 312  */
 313 GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv )
 314 {
 315         return GL_TRUE;
 316 }
 317
 318 void
 319 nouveauDoSwapBuffers(nouveauContextPtr nmesa, __DRIdrawablePrivate *dPriv)
 320 {
 321         struct gl_framebuffer *fb;
 322         nouveauScreenPtr screen = dPriv->driScreenPriv->private;
 323         nouveau_renderbuffer_t *src;
 324         drm_clip_rect_t *box;
 325         int nbox, i;
 326
 327         fb = (struct gl_framebuffer *)dPriv->driverPrivate;
 328         if (fb->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT) {
 329                 src = (nouveau_renderbuffer_t *)
 330                         fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
 331         } else {
 332                 src = (nouveau_renderbuffer_t *)
 333                         fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
 334         }
 335
 336         LOCK_HARDWARE(nmesa);
 337         nbox = dPriv->numClipRects;
 338         box  = dPriv->pClipRects;
 339
 340         if (nbox) {
 341                 BEGIN_RING_SIZE(NvSubCtxSurf2D,
 342                                 NV10_CONTEXT_SURFACES_2D_FORMAT, 4);
 343                 if (src->mesa._ActualFormat == GL_RGBA8)
 344                         OUT_RING       (6); /* X8R8G8B8 */
 345                 else
 346                         OUT_RING       (4); /* R5G6B5 */
 347                 OUT_RING(((screen->frontPitch * screen->fbFormat) << 16) |
 348                           src->pitch);
 349                 OUT_RING(src->offset);
 350                 OUT_RING(screen->frontOffset);
 351         }
 352
 353         for (i=0; i<nbox; i++, box++) {
 354                 BEGIN_RING_SIZE(NvSubImageBlit, NV10_IMAGE_BLIT_SET_POINT, 3);
 355                 OUT_RING       (((box->y1 - dPriv->y) << 16) |
 356                                 (box->x1 - dPriv->x));
 357                 OUT_RING       ((box->y1 << 16) | box->x1);
 358                 OUT_RING       (((box->y2 - box->y1) << 16) |
 359                                 (box->x2 - box->x1));
 360         }
 361         FIRE_RING();
 362
 363         UNLOCK_HARDWARE(nmesa);
 364 }
 365
 366 void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv)
 367 {
 368         if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
 369                 nouveauContextPtr nmesa = dPriv->driContextPriv->driverPrivate;
 370
 371                 if (nmesa->glCtx->Visual.doubleBufferMode) {
 372                         _mesa_notifySwapBuffers(nmesa->glCtx);
 373                         nouveauDoSwapBuffers(nmesa, dPriv);
 374                 }
 375
 376         }
 377 }
 378
 379 void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
 380                           int x, int y, int w, int h)
 381 {
 382 }
 383