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_04:
 220                 case NV_05:
 221                         nv04TriInitFunctions( ctx );
 222                         break;
 223                 case NV_10:
 224                 case NV_11:
 225                 case NV_17:
 226                 case NV_20:
 227                 case NV_30:
 228                 case NV_40:
 229                 case NV_44:
 230                 case NV_50:
 231                 default:
 232                         nv10TriInitFunctions( ctx );
 233                         break;
 234         }
 235
 236         nouveauInitBufferObjects(ctx);
 237         if (!nouveauSyncInitFuncs(ctx))
 238            return GL_FALSE;
 239         nouveauQueryInitFuncs(ctx);
 240         nmesa->hw_func.InitCard(nmesa);
 241         nouveauInitState(ctx);
 242
 243         driContextPriv->driverPrivate = (void *)nmesa;
 244
 245         NOUVEAU_DEBUG = driParseDebugString( getenv( "NOUVEAU_DEBUG" ),
 246                         debug_control );
 247
 248         if (driQueryOptionb(&nmesa->optionCache, "no_rast")) {
 249                 fprintf(stderr, "disabling 3D acceleration\n");
 250                 FALLBACK(nmesa, NOUVEAU_FALLBACK_DISABLE, 1);
 251         }
 252
 253         return GL_TRUE;
 254 }
 255
 256 /* Destroy the device specific context. */
 257 void nouveauDestroyContext( __DRIcontextPrivate *driContextPriv  )
 258 {
 259         nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 260
 261         assert(nmesa);
 262         if ( nmesa ) {
 263                 /* free the option cache */
 264                 driDestroyOptionCache (&nmesa->optionCache);
 265
 266                 FREE( nmesa );
 267         }
 268
 269 }
 270
 271
 272 /* Force the context `c' to be the current context and associate with it
 273  * buffer `b'.
 274  */
 275 GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
 276                 __DRIdrawablePrivate *driDrawPriv,
 277                 __DRIdrawablePrivate *driReadPriv )
 278 {
 279         if ( driContextPriv ) {
 280                 nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 281                 struct gl_framebuffer *draw_fb =
 282                         (struct gl_framebuffer*)driDrawPriv->driverPrivate;
 283                 struct gl_framebuffer *read_fb =
 284                         (struct gl_framebuffer*)driReadPriv->driverPrivate;
 285
 286                 driDrawableInitVBlank(driDrawPriv, nmesa->vblank_flags, &nmesa->vblank_seq );
 287                 nmesa->driDrawable = driDrawPriv;
 288
 289                 _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 290                                          driDrawPriv->w, driDrawPriv->h);
 291                 if (draw_fb != read_fb) {
 292                         _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 293                                                  driReadPriv->w,
 294                                                  driReadPriv->h);
 295                 }
 296                 _mesa_make_current(nmesa->glCtx, draw_fb, read_fb);
 297
 298                 nouveau_build_framebuffer(nmesa->glCtx,
 299                                           driDrawPriv->driverPrivate);
 300         } else {
 301                 _mesa_make_current( NULL, NULL, NULL );
 302         }
 303
 304         return GL_TRUE;
 305 }
 306
 307
 308 /* Force the context `c' to be unbound from its buffer.
 309  */
 310 GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv )
 311 {
 312         return GL_TRUE;
 313 }
 314
 315 void
 316 nouveauDoSwapBuffers(nouveauContextPtr nmesa, __DRIdrawablePrivate *dPriv)
 317 {
 318         struct gl_framebuffer *fb;
 319         nouveauScreenPtr screen = dPriv->driScreenPriv->private;
 320         nouveau_renderbuffer_t *src;
 321         drm_clip_rect_t *box;
 322         int nbox, i;
 323
 324         fb = (struct gl_framebuffer *)dPriv->driverPrivate;
 325         if (fb->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT) {
 326                 src = (nouveau_renderbuffer_t *)
 327                         fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
 328         } else {
 329                 src = (nouveau_renderbuffer_t *)
 330                         fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
 331         }
 332
 333         LOCK_HARDWARE(nmesa);
 334         nbox = dPriv->numClipRects;
 335         box  = dPriv->pClipRects;
 336
 337         if (nbox) {
 338                 BEGIN_RING_SIZE(NvSubCtxSurf2D,
 339                                 NV10_CONTEXT_SURFACES_2D_FORMAT, 4);
 340                 if (src->mesa._ActualFormat == GL_RGBA8)
 341                         OUT_RING       (6); /* X8R8G8B8 */
 342                 else
 343                         OUT_RING       (4); /* R5G6B5 */
 344                 OUT_RING(((screen->frontPitch * screen->fbFormat) << 16) |
 345                           src->pitch);
 346                 OUT_RING(src->offset);
 347                 OUT_RING(screen->frontOffset);
 348         }
 349
 350         for (i=0; i<nbox; i++, box++) {
 351                 BEGIN_RING_SIZE(NvSubImageBlit, NV_IMAGE_BLIT_POINT_IN, 3);
 352                 OUT_RING       (((box->y1 - dPriv->y) << 16) |
 353                                 (box->x1 - dPriv->x));
 354                 OUT_RING       ((box->y1 << 16) | box->x1);
 355                 OUT_RING       (((box->y2 - box->y1) << 16) |
 356                                 (box->x2 - box->x1));
 357         }
 358         FIRE_RING();
 359
 360         UNLOCK_HARDWARE(nmesa);
 361 }
 362
 363 void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv)
 364 {
 365         if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
 366                 nouveauContextPtr nmesa = dPriv->driContextPriv->driverPrivate;
 367
 368                 if (nmesa->glCtx->Visual.doubleBufferMode) {
 369                         _mesa_notifySwapBuffers(nmesa->glCtx);
 370                         nouveauDoSwapBuffers(nmesa, dPriv);
 371                 }
 372
 373         }
 374 }
 375
 376 void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
 377                           int x, int y, int w, int h)
 378 {
 379 }
 380
 381 void nouveauClearBuffer(GLcontext *ctx, nouveau_renderbuffer_t *buffer,
 382         int fill, int mask)
 383 {
 384         nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
 385         int dimensions;
 386
 387         if (!buffer) {
 388                 return;
 389         }
 390
 391         /* FIXME: only support 32 bits atm */
 392
 393         /* Surface that we will work on */
 394         nouveauObjectOnSubchannel(nmesa, NvSubCtxSurf2D, NvCtxSurf2D);
 395
 396         BEGIN_RING_SIZE(NvSubCtxSurf2D, NV10_CONTEXT_SURFACES_2D_FORMAT, 4);
 397         OUT_RING(0x0b); /* Y32 color format */
 398         OUT_RING((buffer->pitch<<16)|buffer->pitch);
 399         OUT_RING(buffer->offset);
 400         OUT_RING(buffer->offset);
 401
 402         /* Now clear a rectangle */
 403         dimensions = ((buffer->mesa.Height)<<16) | (buffer->mesa.Width);
 404
 405         nouveauObjectOnSubchannel(nmesa, NvSubGdiRectText, NvGdiRectText);
 406
 407         BEGIN_RING_SIZE(NvSubGdiRectText, NV04_GDI_RECTANGLE_TEXT_OPERATION, 1);
 408         OUT_RING(3);    /* SRCCOPY */
 409
 410         BEGIN_RING_SIZE(NvSubGdiRectText, NV04_GDI_RECTANGLE_TEXT_BLOCK_LEVEL1_TL, 5);
 411         OUT_RING(0);    /* top left */
 412         OUT_RING(dimensions);   /* bottom right */
 413         OUT_RING(fill);
 414         OUT_RING(0);    /* top left */
 415         OUT_RING(dimensions);   /* bottom right */
 416 }