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         _math_matrix_ctr(&nmesa->projection);
 214
 215         nouveauDDInitStateFuncs( ctx );
 216         nouveauSpanInitFunctions( ctx );
 217         nouveauDDInitState( nmesa );
 218         switch(nmesa->screen->card->type)
 219         {
 220                 case NV_03:
 221                         //nv03TriInitFunctions( ctx );
 222                         break;
 223                 case NV_04:
 224                 case NV_05:
 225                         nv04TriInitFunctions( ctx );
 226                         break;
 227                 case NV_10:
 228                 case NV_11:
 229                 case NV_17:
 230                 case NV_20:
 231                 case NV_30:
 232                 case NV_40:
 233                 case NV_44:
 234                 case NV_50:
 235                 default:
 236                         nv10TriInitFunctions( ctx );
 237                         break;
 238         }
 239
 240         nouveauInitBufferObjects(ctx);
 241         if (!nouveauSyncInitFuncs(ctx))
 242            return GL_FALSE;
 243         nouveauQueryInitFuncs(ctx);
 244         nmesa->hw_func.InitCard(nmesa);
 245         nouveauInitState(ctx);
 246
 247         driContextPriv->driverPrivate = (void *)nmesa;
 248
 249         NOUVEAU_DEBUG = driParseDebugString( getenv( "NOUVEAU_DEBUG" ),
 250                         debug_control );
 251
 252         if (driQueryOptionb(&nmesa->optionCache, "no_rast")) {
 253                 fprintf(stderr, "disabling 3D acceleration\n");
 254                 FALLBACK(nmesa, NOUVEAU_FALLBACK_DISABLE, 1);
 255         }
 256
 257         return GL_TRUE;
 258 }
 259
 260 /* Destroy the device specific context. */
 261 void nouveauDestroyContext( __DRIcontextPrivate *driContextPriv  )
 262 {
 263         nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 264
 265         assert(nmesa);
 266         if ( nmesa ) {
 267                 /* free the option cache */
 268                 driDestroyOptionCache (&nmesa->optionCache);
 269
 270                 FREE( nmesa );
 271         }
 272
 273 }
 274
 275
 276 /* Force the context `c' to be the current context and associate with it
 277  * buffer `b'.
 278  */
 279 GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
 280                 __DRIdrawablePrivate *driDrawPriv,
 281                 __DRIdrawablePrivate *driReadPriv )
 282 {
 283         if ( driContextPriv ) {
 284                 nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 285                 struct gl_framebuffer *draw_fb =
 286                         (struct gl_framebuffer*)driDrawPriv->driverPrivate;
 287                 struct gl_framebuffer *read_fb =
 288                         (struct gl_framebuffer*)driReadPriv->driverPrivate;
 289
 290                 driDrawableInitVBlank(driDrawPriv, nmesa->vblank_flags, &nmesa->vblank_seq );
 291                 nmesa->driDrawable = driDrawPriv;
 292
 293                 _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 294                                          driDrawPriv->w, driDrawPriv->h);
 295                 if (draw_fb != read_fb) {
 296                         _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 297                                                  driReadPriv->w,
 298                                                  driReadPriv->h);
 299                 }
 300                 _mesa_make_current(nmesa->glCtx, draw_fb, read_fb);
 301
 302                 nouveau_build_framebuffer(nmesa->glCtx,
 303                                           driDrawPriv->driverPrivate);
 304         } else {
 305                 _mesa_make_current( NULL, NULL, NULL );
 306         }
 307
 308         return GL_TRUE;
 309 }
 310
 311
 312 /* Force the context `c' to be unbound from its buffer.
 313  */
 314 GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv )
 315 {
 316         return GL_TRUE;
 317 }
 318
 319 void
 320 nouveauDoSwapBuffers(nouveauContextPtr nmesa, __DRIdrawablePrivate *dPriv)
 321 {
 322         struct gl_framebuffer *fb;
 323         nouveauScreenPtr screen = dPriv->driScreenPriv->private;
 324         nouveau_renderbuffer_t *src;
 325         drm_clip_rect_t *box;
 326         int nbox, i;
 327
 328         fb = (struct gl_framebuffer *)dPriv->driverPrivate;
 329         if (fb->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT) {
 330                 src = (nouveau_renderbuffer_t *)
 331                         fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
 332         } else {
 333                 src = (nouveau_renderbuffer_t *)
 334                         fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
 335         }
 336
 337         LOCK_HARDWARE(nmesa);
 338         nbox = dPriv->numClipRects;
 339         box  = dPriv->pClipRects;
 340
 341         if (nbox) {
 342                 BEGIN_RING_SIZE(NvSubCtxSurf2D,
 343                                 NV10_CONTEXT_SURFACES_2D_FORMAT, 4);
 344                 if (src->mesa._ActualFormat == GL_RGBA8)
 345                         OUT_RING       (6); /* X8R8G8B8 */
 346                 else
 347                         OUT_RING       (4); /* R5G6B5 */
 348                 OUT_RING(((screen->frontPitch * screen->fbFormat) << 16) |
 349                           src->pitch);
 350                 OUT_RING(src->offset);
 351                 OUT_RING(screen->frontOffset);
 352         }
 353
 354         for (i=0; i<nbox; i++, box++) {
 355                 BEGIN_RING_SIZE(NvSubImageBlit, NV10_IMAGE_BLIT_SET_POINT, 3);
 356                 OUT_RING       (((box->y1 - dPriv->y) << 16) |
 357                                 (box->x1 - dPriv->x));
 358                 OUT_RING       ((box->y1 << 16) | box->x1);
 359                 OUT_RING       (((box->y2 - box->y1) << 16) |
 360                                 (box->x2 - box->x1));
 361         }
 362         FIRE_RING();
 363
 364         UNLOCK_HARDWARE(nmesa);
 365 }
 366
 367 void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv)
 368 {
 369         if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
 370                 nouveauContextPtr nmesa = dPriv->driContextPriv->driverPrivate;
 371
 372                 if (nmesa->glCtx->Visual.doubleBufferMode) {
 373                         _mesa_notifySwapBuffers(nmesa->glCtx);
 374                         nouveauDoSwapBuffers(nmesa, dPriv);
 375                 }
 376
 377         }
 378 }
 379
 380 void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
 381                           int x, int y, int w, int h)
 382 {
 383 }
 384