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 #include "framebuffer.h"
  36
  37 #include "tnl/tnl.h"
  38 #include "tnl/t_pipeline.h"
  39 #include "tnl/t_vp_build.h"
  40
  41 #include "drivers/common/driverfuncs.h"
  42
  43 #include "nouveau_context.h"
  44 #include "nouveau_driver.h"
  45 //#include "nouveau_state.h"
  46 #include "nouveau_span.h"
  47 #include "nouveau_object.h"
  48 #include "nouveau_fifo.h"
  49 #include "nouveau_tex.h"
  50 #include "nouveau_msg.h"
  51 #include "nouveau_reg.h"
  52 #include "nouveau_lock.h"
  53 #include "nv10_swtcl.h"
  54
  55 #include "vblank.h"
  56 #include "utils.h"
  57 #include "texmem.h"
  58 #include "xmlpool.h" /* for symbolic values of enum-type options */
  59
  60 #ifndef NOUVEAU_DEBUG
  61 int NOUVEAU_DEBUG = 0;
  62 #endif
  63
  64 static const struct dri_debug_control debug_control[] =
  65 {
  66         { NULL,    0 }
  67 };
  68
  69 #define need_GL_ARB_vertex_program
  70 #include "extension_helper.h"
  71
  72 const struct dri_extension common_extensions[] =
  73 {
  74         { NULL,    0 }
  75 };
  76
  77 const struct dri_extension nv10_extensions[] =
  78 {
  79         { NULL,    0 }
  80 };
  81
  82 const struct dri_extension nv20_extensions[] =
  83 {
  84         { NULL,    0 }
  85 };
  86
  87 const struct dri_extension nv30_extensions[] =
  88 {
  89         { "GL_ARB_fragment_program",    NULL                            },
  90         { NULL,    0 }
  91 };
  92
  93 const struct dri_extension nv40_extensions[] =
  94 {
  95    /* ARB_vp can be moved to nv20/30 once the shader backend has been
  96     * written for those cards.
  97     */
  98         { "GL_ARB_vertex_program",      GL_ARB_vertex_program_functions },
  99         { NULL, 0 }
 100 };
 101
 102 const struct dri_extension nv50_extensions[] =
 103 {
 104         { NULL,    0 }
 105 };
 106
 107 /* Create the device specific context.
 108  */
 109 GLboolean nouveauCreateContext( const __GLcontextModes *glVisual,
 110                 __DRIcontextPrivate *driContextPriv,
 111                 void *sharedContextPrivate )
 112 {
 113         GLcontext *ctx, *shareCtx;
 114         __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
 115         struct dd_function_table functions;
 116         nouveauContextPtr nmesa;
 117         nouveauScreenPtr screen;
 118
 119         /* Allocate the context */
 120         nmesa = (nouveauContextPtr) CALLOC( sizeof(*nmesa) );
 121         if ( !nmesa )
 122                 return GL_FALSE;
 123
 124         nmesa->driContext = driContextPriv;
 125         nmesa->driScreen = sPriv;
 126         nmesa->driDrawable = NULL;
 127         nmesa->hHWContext = driContextPriv->hHWContext;
 128         nmesa->driHwLock = &sPriv->pSAREA->lock;
 129         nmesa->driFd = sPriv->fd;
 130
 131         nmesa->screen = (nouveauScreenPtr)(sPriv->private);
 132         screen=nmesa->screen;
 133
 134         /* Create the hardware context */
 135         if (!nouveauDRMGetParam(nmesa, NOUVEAU_GETPARAM_FB_PHYSICAL,
 136                                 &nmesa->vram_phys))
 137            return GL_FALSE;
 138         if (!nouveauDRMGetParam(nmesa, NOUVEAU_GETPARAM_AGP_PHYSICAL,
 139                                 &nmesa->agp_phys))
 140            return GL_FALSE;
 141         if (!nouveauFifoInit(nmesa))
 142            return GL_FALSE;
 143         nouveauObjectInit(nmesa);
 144
 145
 146         /* Init default driver functions then plug in our nouveau-specific functions
 147          * (the texture functions are especially important)
 148          */
 149         _mesa_init_driver_functions( &functions );
 150         nouveauDriverInitFunctions( &functions );
 151         nouveauTexInitFunctions( &functions );
 152
 153         /* Allocate the Mesa context */
 154         if (sharedContextPrivate)
 155                 shareCtx = ((nouveauContextPtr) sharedContextPrivate)->glCtx;
 156         else
 157                 shareCtx = NULL;
 158         nmesa->glCtx = _mesa_create_context(glVisual, shareCtx,
 159                         &functions, (void *) nmesa);
 160         if (!nmesa->glCtx) {
 161                 FREE(nmesa);
 162                 return GL_FALSE;
 163         }
 164         driContextPriv->driverPrivate = nmesa;
 165         ctx = nmesa->glCtx;
 166
 167         /* Parse configuration files */
 168         driParseConfigFiles (&nmesa->optionCache, &screen->optionCache,
 169                         screen->driScreen->myNum, "nouveau");
 170
 171         nmesa->sarea = (drm_nouveau_sarea_t *)((char *)sPriv->pSAREA +
 172                         screen->sarea_priv_offset);
 173
 174         /* Enable any supported extensions */
 175         driInitExtensions(ctx, common_extensions, GL_TRUE);
 176         if (nmesa->screen->card->type >= NV_10)
 177                 driInitExtensions(ctx, nv10_extensions, GL_FALSE);
 178         if (nmesa->screen->card->type >= NV_20)
 179                 driInitExtensions(ctx, nv20_extensions, GL_FALSE);
 180         if (nmesa->screen->card->type >= NV_30)
 181                 driInitExtensions(ctx, nv30_extensions, GL_FALSE);
 182         if (nmesa->screen->card->type >= NV_40)
 183                 driInitExtensions(ctx, nv40_extensions, GL_FALSE);
 184         if (nmesa->screen->card->type >= NV_50)
 185                 driInitExtensions(ctx, nv50_extensions, GL_FALSE);
 186
 187         nmesa->current_primitive = -1;
 188
 189         nouveauShaderInitFuncs(ctx);
 190         /* Install Mesa's fixed-function shader support */
 191         if (nmesa->screen->card->type >= NV_40) {
 192                 ctx->_MaintainTnlProgram    = GL_TRUE;
 193                 ctx->_MaintainTexEnvProgram = GL_TRUE;
 194         }
 195
 196         /* Initialize the swrast */
 197         _swrast_CreateContext( ctx );
 198         _ac_CreateContext( ctx );
 199         _tnl_CreateContext( ctx );
 200         _swsetup_CreateContext( ctx );
 201
 202         _math_matrix_ctr(&nmesa->viewport);
 203
 204         nouveauDDInitStateFuncs( ctx );
 205         nouveauSpanInitFunctions( ctx );
 206         nouveauDDInitState( nmesa );
 207         switch(nmesa->screen->card->type)
 208         {
 209                 case NV_03:
 210                         //nv03TriInitFunctions( ctx );
 211                         break;
 212                 case NV_04:
 213                 case NV_05:
 214                         //nv04TriInitFunctions( ctx );
 215                         break;
 216                 case NV_10:
 217                 case NV_20:
 218                 case NV_30:
 219                 case NV_40:
 220                 case NV_44:
 221                 case NV_50:
 222                 default:
 223                         nv10TriInitFunctions( ctx );
 224                         break;
 225         }
 226
 227         nmesa->hw_func.InitCard(nmesa);
 228         nouveauInitState(ctx);
 229
 230         driContextPriv->driverPrivate = (void *)nmesa;
 231
 232         NOUVEAU_DEBUG = driParseDebugString( getenv( "NOUVEAU_DEBUG" ),
 233                         debug_control );
 234
 235         if (driQueryOptionb(&nmesa->optionCache, "no_rast")) {
 236                 fprintf(stderr, "disabling 3D acceleration\n");
 237                 FALLBACK(nmesa, NOUVEAU_FALLBACK_DISABLE, 1);
 238         }
 239
 240         return GL_TRUE;
 241 }
 242
 243 /* Destroy the device specific context. */
 244 void nouveauDestroyContext( __DRIcontextPrivate *driContextPriv  )
 245 {
 246         nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 247
 248         assert(nmesa);
 249         if ( nmesa ) {
 250                 /* free the option cache */
 251                 driDestroyOptionCache (&nmesa->optionCache);
 252
 253                 FREE( nmesa );
 254         }
 255
 256 }
 257
 258
 259 /* Force the context `c' to be the current context and associate with it
 260  * buffer `b'.
 261  */
 262 GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
 263                 __DRIdrawablePrivate *driDrawPriv,
 264                 __DRIdrawablePrivate *driReadPriv )
 265 {
 266         if ( driContextPriv ) {
 267                 nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 268                 struct gl_framebuffer *draw_fb =
 269                         (struct gl_framebuffer*)driDrawPriv->driverPrivate;
 270                 struct gl_framebuffer *read_fb =
 271                         (struct gl_framebuffer*)driReadPriv->driverPrivate;
 272
 273                 driDrawableInitVBlank(driDrawPriv, nmesa->vblank_flags, &nmesa->vblank_seq );
 274                 nmesa->driDrawable = driDrawPriv;
 275
 276                 _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 277                                          driDrawPriv->w, driDrawPriv->h);
 278                 if (draw_fb != read_fb) {
 279                         _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 280                                                  driReadPriv->w,
 281                                                  driReadPriv->h);
 282                 }
 283                 _mesa_make_current(nmesa->glCtx, draw_fb, read_fb);
 284
 285                 nouveau_build_framebuffer(nmesa->glCtx,
 286                                           driDrawPriv->driverPrivate);
 287         } else {
 288                 _mesa_make_current( NULL, NULL, NULL );
 289         }
 290
 291         return GL_TRUE;
 292 }
 293
 294
 295 /* Force the context `c' to be unbound from its buffer.
 296  */
 297 GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv )
 298 {
 299         return GL_TRUE;
 300 }
 301
 302 static void nouveauDoSwapBuffers(nouveauContextPtr nmesa,
 303                                  __DRIdrawablePrivate *dPriv)
 304 {
 305         struct gl_framebuffer *fb;
 306         nouveau_renderbuffer *src, *dst;
 307         drm_clip_rect_t *box;
 308         int nbox, i;
 309
 310         fb = (struct gl_framebuffer *)dPriv->driverPrivate;
 311         dst = (nouveau_renderbuffer*)
 312                 fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
 313         src = (nouveau_renderbuffer*)
 314                 fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
 315
 316 #ifdef ALLOW_MULTI_SUBCHANNEL
 317         LOCK_HARDWARE(nmesa);
 318         nbox = dPriv->numClipRects;
 319         box  = dPriv->pClipRects;
 320
 321         if (nbox) {
 322                 BEGIN_RING_SIZE(NvSubCtxSurf2D,
 323                                 NV10_CONTEXT_SURFACES_2D_FORMAT, 4);
 324                 OUT_RING       (6); /* X8R8G8B8 */
 325                 OUT_RING       ((dst->pitch << 16) | src->pitch);
 326                 OUT_RING       (src->offset);
 327                 OUT_RING       (dst->offset);
 328         }
 329
 330         for (i=0; i<nbox; i++, box++) {
 331                 BEGIN_RING_SIZE(NvSubImageBlit, NV10_IMAGE_BLIT_SET_POINT, 3);
 332                 OUT_RING       (((box->y1 - dPriv->y) << 16) |
 333                                 (box->x1 - dPriv->x));
 334                 OUT_RING       ((box->y1 << 16) | box->x1);
 335                 OUT_RING       (((box->y2 - box->y1) << 16) |
 336                                 (box->x2 - box->x1));
 337         }
 338
 339         UNLOCK_HARDWARE(nmesa);
 340 #endif
 341 }
 342
 343 void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv)
 344 {
 345         if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
 346                 nouveauContextPtr nmesa = dPriv->driContextPriv->driverPrivate;
 347
 348                 if (nmesa->glCtx->Visual.doubleBufferMode) {
 349                         _mesa_notifySwapBuffers(nmesa->glCtx);
 350                         nouveauDoSwapBuffers(nmesa, dPriv);
 351                 }
 352
 353         }
 354 }
 355
 356 void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
 357                           int x, int y, int w, int h)
 358 {
 359 }
 360