src/gallium/drivers/nvfx/nvfx_state_emit.c

   1 #include "nvfx_context.h"
   2 #include "nvfx_state.h"
   3 #include "nvfx_resource.h"
   4 #include "draw/draw_context.h"
   5
   6 void
   7 nvfx_state_viewport_validate(struct nvfx_context *nvfx)
   8 {
   9         struct nouveau_channel *chan = nvfx->screen->base.channel;
  10         struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
  11         struct pipe_viewport_state *vpt = &nvfx->viewport;
  12
  13         if(nvfx->render_mode == HW) {
  14                 BEGIN_RING(chan, eng3d, NV30_3D_VIEWPORT_TRANSLATE_X, 8);
  15                 OUT_RINGf(chan, vpt->translate[0]);
  16                 OUT_RINGf(chan, vpt->translate[1]);
  17                 OUT_RINGf(chan, vpt->translate[2]);
  18                 OUT_RINGf(chan, vpt->translate[3]);
  19                 OUT_RINGf(chan, vpt->scale[0]);
  20                 OUT_RINGf(chan, vpt->scale[1]);
  21                 OUT_RINGf(chan, vpt->scale[2]);
  22                 OUT_RINGf(chan, vpt->scale[3]);
  23                 BEGIN_RING(chan, eng3d, 0x1d78, 1);
  24                 OUT_RING(chan, 1);
  25         } else {
  26                 BEGIN_RING(chan, eng3d, NV30_3D_VIEWPORT_TRANSLATE_X, 8);
  27                 OUT_RINGf(chan, 0.0f);
  28                 OUT_RINGf(chan, 0.0f);
  29                 OUT_RINGf(chan, 0.0f);
  30                 OUT_RINGf(chan, 0.0f);
  31                 OUT_RINGf(chan, 1.0f);
  32                 OUT_RINGf(chan, 1.0f);
  33                 OUT_RINGf(chan, 1.0f);
  34                 OUT_RINGf(chan, 1.0f);
  35                 BEGIN_RING(chan, eng3d, 0x1d78, 1);
  36                 OUT_RING(chan, nvfx->is_nv4x ? 0x110 : 1);
  37         }
  38 }
  39
  40 void
  41 nvfx_state_scissor_validate(struct nvfx_context *nvfx)
  42 {
  43         struct nouveau_channel *chan = nvfx->screen->base.channel;
  44         struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
  45         struct pipe_rasterizer_state *rast = &nvfx->rasterizer->pipe;
  46         struct pipe_scissor_state *s = &nvfx->scissor;
  47
  48         if ((rast->scissor == 0 && nvfx->state.scissor_enabled == 0))
  49                 return;
  50         nvfx->state.scissor_enabled = rast->scissor;
  51
  52         BEGIN_RING(chan, eng3d, NV30_3D_SCISSOR_HORIZ, 2);
  53         if (nvfx->state.scissor_enabled) {
  54                 OUT_RING(chan, ((s->maxx - s->minx) << 16) | s->minx);
  55                 OUT_RING(chan, ((s->maxy - s->miny) << 16) | s->miny);
  56         } else {
  57                 OUT_RING(chan, 4096 << 16);
  58                 OUT_RING(chan, 4096 << 16);
  59         }
  60 }
  61
  62 void
  63 nvfx_state_sr_validate(struct nvfx_context *nvfx)
  64 {
  65         struct nouveau_channel* chan = nvfx->screen->base.channel;
  66         struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
  67         struct pipe_stencil_ref *sr = &nvfx->stencil_ref;
  68
  69         BEGIN_RING(chan, eng3d, NV30_3D_STENCIL_FUNC_REF(0), 1);
  70         OUT_RING(chan, sr->ref_value[0]);
  71         BEGIN_RING(chan, eng3d, NV30_3D_STENCIL_FUNC_REF(1), 1);
  72         OUT_RING(chan, sr->ref_value[1]);
  73 }
  74
  75 void
  76 nvfx_state_blend_colour_validate(struct nvfx_context *nvfx)
  77 {
  78         struct nouveau_channel* chan = nvfx->screen->base.channel;
  79         struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
  80         struct pipe_blend_color *bcol = &nvfx->blend_colour;
  81
  82         BEGIN_RING(chan, eng3d, NV30_3D_BLEND_COLOR, 1);
  83         OUT_RING(chan, ((float_to_ubyte(bcol->color[3]) << 24) |
  84                        (float_to_ubyte(bcol->color[0]) << 16) |
  85                        (float_to_ubyte(bcol->color[1]) <<  8) |
  86                        (float_to_ubyte(bcol->color[2]) <<  0)));
  87 }
  88
  89 void
  90 nvfx_state_stipple_validate(struct nvfx_context *nvfx)
  91 {
  92         struct nouveau_channel *chan = nvfx->screen->base.channel;
  93         struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
  94
  95         BEGIN_RING(chan, eng3d, NV30_3D_POLYGON_STIPPLE_PATTERN(0), 32);
  96         OUT_RINGp(chan, nvfx->stipple, 32);
  97 }
  98
  99 static void
 100 nvfx_coord_conventions_validate(struct nvfx_context* nvfx)
 101 {
 102         struct nouveau_channel* chan = nvfx->screen->base.channel;
 103         struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
 104         unsigned value = nvfx->hw_fragprog->coord_conventions;
 105         if(value & NV30_3D_COORD_CONVENTIONS_ORIGIN_INVERTED)
 106                 value |= nvfx->framebuffer.height << NV30_3D_COORD_CONVENTIONS_HEIGHT__SHIFT;
 107
 108         BEGIN_RING(chan, eng3d, NV30_3D_COORD_CONVENTIONS, 1);
 109         OUT_RING(chan, value);
 110 }
 111
 112 static void
 113 nvfx_ucp_validate(struct nvfx_context* nvfx)
 114 {
 115         struct nouveau_channel* chan = nvfx->screen->base.channel;
 116         struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
 117         unsigned enables[7] =
 118         {
 119                         0,
 120                         NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE0,
 121                         NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE0 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE1,
 122                         NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE0 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE1 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE2,
 123                         NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE0 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE1 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE2 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE3,
 124                         NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE0 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE1 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE2 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE3 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE4,
 125                         NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE0 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE1 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE2 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE3 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE4 | NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE5,
 126         };
 127
 128         if(!nvfx->use_vp_clipping)
 129         {
 130                 BEGIN_RING(chan, eng3d, NV30_3D_VP_CLIP_PLANES_ENABLE, 1);
 131                 OUT_RING(chan, 0);
 132
 133                 BEGIN_RING(chan, eng3d, NV30_3D_VP_CLIP_PLANE(0, 0),
 134                            nvfx->clip.nr * 4);
 135                 OUT_RINGp(chan, &nvfx->clip.ucp[0][0], nvfx->clip.nr * 4);
 136         }
 137
 138         BEGIN_RING(chan, eng3d, NV30_3D_VP_CLIP_PLANES_ENABLE, 1);
 139         OUT_RING(chan, enables[nvfx->clip.nr]);
 140 }
 141
 142 static void
 143 nvfx_vertprog_ucp_validate(struct nvfx_context* nvfx)
 144 {
 145         struct nouveau_channel* chan = nvfx->screen->base.channel;
 146         struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
 147         unsigned i;
 148         struct nvfx_vertex_program* vp = nvfx->hw_vertprog;
 149         if(nvfx->clip.nr != vp->clip_nr)
 150         {
 151                 unsigned idx;
 152
 153                 /* remove last instruction bit */
 154                 if(vp->clip_nr >= 0)
 155                 {
 156                         idx = vp->nr_insns - 7 + vp->clip_nr;
 157                         BEGIN_RING(chan, eng3d, NV30_3D_VP_UPLOAD_FROM_ID, 1);
 158                         OUT_RING(chan,  vp->exec->start + idx);
 159                         BEGIN_RING(chan, eng3d, NV30_3D_VP_UPLOAD_INST(0), 4);
 160                         OUT_RINGp (chan, vp->insns[idx].data, 4);
 161                 }
 162
 163                  /* set last instruction bit */
 164                 idx = vp->nr_insns - 7 + nvfx->clip.nr;
 165                 BEGIN_RING(chan, eng3d, NV30_3D_VP_UPLOAD_FROM_ID, 1);
 166                 OUT_RING(chan,  vp->exec->start + idx);
 167                 BEGIN_RING(chan, eng3d, NV30_3D_VP_UPLOAD_INST(0), 4);
 168                 OUT_RINGp(chan, vp->insns[idx].data, 3);
 169                 OUT_RING(chan, vp->insns[idx].data[3] | 1);
 170                 vp->clip_nr = nvfx->clip.nr;
 171         }
 172
 173         // TODO: only do this for the ones changed
 174         for(i = 0; i < nvfx->clip.nr; ++i)
 175         {
 176                 BEGIN_RING(chan, eng3d, NV30_3D_VP_UPLOAD_CONST_ID, 5);
 177                 OUT_RING(chan, vp->data->start + i);
 178                 OUT_RINGp (chan, nvfx->clip.ucp[i], 4);
 179         }
 180 }
 181
 182 static boolean
 183 nvfx_state_validate_common(struct nvfx_context *nvfx)
 184 {
 185         struct nouveau_channel* chan = nvfx->screen->base.channel;
 186         struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
 187         unsigned dirty;
 188         unsigned still_dirty = 0;
 189         int new_fb_mode = -1; /* 1 = all swizzled, 0 = make all linear */
 190         boolean flush_tex_cache = FALSE;
 191         unsigned render_temps;
 192
 193         if(nvfx != nvfx->screen->cur_ctx)
 194         {
 195                 nvfx->dirty = ~0;
 196                 nvfx->hw_vtxelt_nr = 16;
 197                 nvfx->hw_pointsprite_control = -1;
 198                 nvfx->hw_vp_output = -1;
 199                 nvfx->screen->cur_ctx = nvfx;
 200                 nvfx->relocs_needed = NVFX_RELOCATE_ALL;
 201         }
 202
 203         /* These can trigger use the of 3D engine to copy temporaries.
 204          * That will recurse here and thus dirty all 3D state, so we need to this before anything else, and in a loop..
 205          * This converges to having clean temps, then binding both fragtexes and framebuffers.
 206          */
 207         while(nvfx->dirty & (NVFX_NEW_FB | NVFX_NEW_SAMPLER))
 208         {
 209                 if(nvfx->dirty & NVFX_NEW_SAMPLER)
 210                 {
 211                         nvfx->dirty &=~ NVFX_NEW_SAMPLER;
 212                         nvfx_fragtex_validate(nvfx);
 213
 214                         // TODO: only set this if really necessary
 215                         flush_tex_cache = TRUE;
 216                 }
 217
 218                 if(nvfx->dirty & NVFX_NEW_FB)
 219                 {
 220                         nvfx->dirty &=~ NVFX_NEW_FB;
 221                         new_fb_mode = nvfx_framebuffer_prepare(nvfx);
 222
 223                         // TODO: make sure this doesn't happen, i.e. fbs have matching formats
 224                         assert(new_fb_mode >= 0);
 225                 }
 226         }
 227
 228         dirty = nvfx->dirty;
 229
 230         if(nvfx->render_mode == HW)
 231         {
 232                 if(dirty & (NVFX_NEW_VERTPROG | NVFX_NEW_VERTCONST))
 233                 {
 234                         if(!nvfx_vertprog_validate(nvfx))
 235                                 return FALSE;
 236                 }
 237
 238                 if(dirty & NVFX_NEW_ARRAYS)
 239                 {
 240                         if(!nvfx_vbo_validate(nvfx))
 241                                 return FALSE;
 242                 }
 243
 244                 if(dirty & NVFX_NEW_INDEX)
 245                 {
 246                         if(nvfx->use_index_buffer)
 247                                 nvfx_idxbuf_validate(nvfx);
 248                         else
 249                                 still_dirty = NVFX_NEW_INDEX;
 250                 }
 251         }
 252         else
 253         {
 254                 if(dirty & NVFX_NEW_VERTPROG) {
 255                         assert(nvfx_vertprog_validate(nvfx));
 256                         nvfx_vbo_swtnl_validate(nvfx);
 257                 }
 258         }
 259
 260         if(dirty & NVFX_NEW_RAST)
 261                 sb_emit(chan, nvfx->rasterizer->sb, nvfx->rasterizer->sb_len);
 262
 263         if(dirty & NVFX_NEW_SCISSOR)
 264                 nvfx_state_scissor_validate(nvfx);
 265
 266         if(dirty & NVFX_NEW_STIPPLE)
 267                 nvfx_state_stipple_validate(nvfx);
 268
 269        if(nvfx->dirty & NVFX_NEW_UCP)
 270                nvfx_ucp_validate(nvfx);
 271
 272         if(nvfx->use_vp_clipping && (nvfx->dirty & (NVFX_NEW_UCP | NVFX_NEW_VERTPROG)))
 273                 nvfx_vertprog_ucp_validate(nvfx);
 274
 275         if(dirty & (NVFX_NEW_FRAGPROG | NVFX_NEW_FRAGCONST | NVFX_NEW_VERTPROG | NVFX_NEW_SPRITE))
 276         {
 277                 nvfx_fragprog_validate(nvfx);
 278                 if(dirty & NVFX_NEW_FRAGPROG)
 279                         flush_tex_cache = TRUE; // TODO: do we need this?
 280         }
 281
 282         if(nvfx->is_nv4x)
 283         {
 284                 unsigned vp_output = nvfx->hw_vertprog->or | nvfx->hw_fragprog->or;
 285                 vp_output |= (1 << (nvfx->clip.nr + 6)) - (1 << 6);
 286
 287                 if(vp_output != nvfx->hw_vp_output)
 288                 {
 289                         BEGIN_RING(chan, eng3d, NV40_3D_VP_RESULT_EN, 1);
 290                         OUT_RING(chan, vp_output);
 291                         nvfx->hw_vp_output = vp_output;
 292                 }
 293         }
 294
 295         if(new_fb_mode >= 0)
 296                 nvfx_framebuffer_validate(nvfx, new_fb_mode);
 297
 298         if(dirty & NVFX_NEW_BLEND)
 299                 sb_emit(chan, nvfx->blend->sb, nvfx->blend->sb_len);
 300
 301         if(dirty & NVFX_NEW_BCOL)
 302                 nvfx_state_blend_colour_validate(nvfx);
 303
 304         if(dirty & NVFX_NEW_ZSA)
 305                 sb_emit(chan, nvfx->zsa->sb, nvfx->zsa->sb_len);
 306
 307         if(dirty & NVFX_NEW_SR)
 308                 nvfx_state_sr_validate(nvfx);
 309
 310 /* All these dependencies are wrong, but otherwise
 311    etracer, neverball, foobillard, glest totally misrender
 312    TODO: find the right fix
 313 */
 314         if(dirty & (NVFX_NEW_VIEWPORT | NVFX_NEW_RAST | NVFX_NEW_ZSA) || (new_fb_mode >= 0))
 315         {
 316                 nvfx_state_viewport_validate(nvfx);
 317         }
 318
 319         if(dirty & NVFX_NEW_ZSA || (new_fb_mode >= 0))
 320         {
 321                 BEGIN_RING(chan, eng3d, NV30_3D_DEPTH_WRITE_ENABLE, 2);
 322                 OUT_RING(chan, nvfx->framebuffer.zsbuf && nvfx->zsa->pipe.depth.writemask);
 323                 OUT_RING(chan, nvfx->framebuffer.zsbuf && nvfx->zsa->pipe.depth.enabled);
 324         }
 325
 326         if((new_fb_mode >= 0) || (dirty & NVFX_NEW_FRAGPROG))
 327                 nvfx_coord_conventions_validate(nvfx);
 328
 329         if(flush_tex_cache)
 330         {
 331                 // TODO: what about nv30?
 332                 if(nvfx->is_nv4x)
 333                 {
 334                         BEGIN_RING(chan, eng3d, NV40_3D_TEX_CACHE_CTL, 1);
 335                         OUT_RING(chan, 2);
 336                         BEGIN_RING(chan, eng3d, NV40_3D_TEX_CACHE_CTL, 1);
 337                         OUT_RING(chan, 1);
 338                 }
 339         }
 340
 341         nvfx->dirty = dirty & still_dirty;
 342
 343         render_temps = nvfx->state.render_temps;
 344         if(render_temps)
 345         {
 346                 for(int i = 0; i < nvfx->framebuffer.nr_cbufs; ++i)
 347                 {
 348                         if(render_temps & (1 << i)) {
 349                                 assert(((struct nvfx_surface*)nvfx->framebuffer.cbufs[i])->temp);
 350                                 util_dirty_surface_set_dirty(nvfx_surface_get_dirty_surfaces(nvfx->framebuffer.cbufs[i]),
 351                                                 (struct util_dirty_surface*)nvfx->framebuffer.cbufs[i]);
 352                         }
 353                 }
 354
 355                 if(render_temps & 0x80) {
 356                         assert(((struct nvfx_surface*)nvfx->framebuffer.zsbuf)->temp);
 357                         util_dirty_surface_set_dirty(nvfx_surface_get_dirty_surfaces(nvfx->framebuffer.zsbuf),
 358                                         (struct util_dirty_surface*)nvfx->framebuffer.zsbuf);
 359                 }
 360         }
 361
 362         return TRUE;
 363 }
 364
 365 inline void
 366 nvfx_state_relocate(struct nvfx_context *nvfx, unsigned relocs)
 367 {
 368         struct nouveau_channel* chan = nvfx->screen->base.channel;
 369         /* we need to ensure there is enough space to output relocations in one go */
 370         const unsigned max_relocs = 0
 371               + 16 /* vertex buffers, incl. dma flag */
 372               + 2 /* index buffer plus format+dma flag */
 373               + 2 * 5 /* 4 cbufs + zsbuf, plus dma objects */
 374               + 2 * 16 /* fragment textures plus format+dma flag */
 375               + 2 * 4 /* vertex textures plus format+dma flag */
 376               + 1 /* fragprog incl dma flag */
 377               ;
 378
 379         MARK_RING(chan, max_relocs * 2, max_relocs * 2);
 380
 381         if(relocs & NVFX_RELOCATE_FRAMEBUFFER)
 382                 nvfx_framebuffer_relocate(nvfx);
 383         if(relocs & NVFX_RELOCATE_FRAGTEX)
 384                 nvfx_fragtex_relocate(nvfx);
 385         if(relocs & NVFX_RELOCATE_FRAGPROG)
 386                 nvfx_fragprog_relocate(nvfx);
 387         if(relocs & NVFX_RELOCATE_VTXBUF)
 388                 nvfx_vbo_relocate(nvfx);
 389         if(relocs & NVFX_RELOCATE_IDXBUF)
 390                 nvfx_idxbuf_relocate(nvfx);
 391 }
 392
 393 boolean
 394 nvfx_state_validate(struct nvfx_context *nvfx)
 395 {
 396         if (nvfx->render_mode != HW) {
 397                 /* Don't even bother trying to go back to hw if none
 398                  * of the states that caused swtnl previously have changed.
 399                  */
 400                 if ((nvfx->fallback_swtnl & nvfx->dirty)
 401                                 != nvfx->fallback_swtnl)
 402                         return FALSE;
 403
 404                 /* Attempt to go to hwtnl again */
 405                 nvfx->dirty |= (NVFX_NEW_VIEWPORT |
 406                                 NVFX_NEW_VERTPROG |
 407                                 NVFX_NEW_ARRAYS);
 408                 nvfx->render_mode = HW;
 409         }
 410
 411         if(!nvfx_state_validate_common(nvfx))
 412                 return FALSE;
 413
 414         return TRUE;
 415 }
 416
 417 boolean
 418 nvfx_state_validate_swtnl(struct nvfx_context *nvfx)
 419 {
 420         struct draw_context *draw = nvfx->draw;
 421
 422         /* Setup for swtnl */
 423         if (nvfx->render_mode == HW) {
 424                 static boolean warned = FALSE;
 425                 if(!warned) {
 426                         NOUVEAU_ERR("hw->swtnl 0x%08x\n", nvfx->fallback_swtnl);
 427                         warned = TRUE;
 428                 }
 429                 nvfx->pipe.flush(&nvfx->pipe, NULL);
 430                 nvfx->dirty |= (NVFX_NEW_VIEWPORT |
 431                                 NVFX_NEW_VERTPROG |
 432                                 NVFX_NEW_ARRAYS);
 433                 nvfx->render_mode = SWTNL;
 434         }
 435
 436         if (nvfx->draw_dirty & NVFX_NEW_VERTPROG) {
 437                 if(!nvfx->vertprog->draw_vs)
 438                         nvfx->vertprog->draw_vs = draw_create_vertex_shader(draw, &nvfx->vertprog->pipe);
 439                 draw_bind_vertex_shader(draw, nvfx->vertprog->draw_vs);
 440         }
 441
 442         if (nvfx->draw_dirty & NVFX_NEW_RAST)
 443            draw_set_rasterizer_state(draw, &nvfx->rasterizer->pipe,
 444                                      nvfx->rasterizer);
 445
 446         if (nvfx->draw_dirty & NVFX_NEW_UCP)
 447                 draw_set_clip_state(draw, &nvfx->clip);
 448
 449         if (nvfx->draw_dirty & NVFX_NEW_VIEWPORT)
 450                 draw_set_viewport_state(draw, &nvfx->viewport);
 451
 452         if (nvfx->draw_dirty & NVFX_NEW_ARRAYS) {
 453                 draw_set_vertex_buffers(draw, nvfx->vtxbuf_nr, nvfx->vtxbuf);
 454                 draw_set_vertex_elements(draw, nvfx->vtxelt->num_elements, nvfx->vtxelt->pipe);
 455         }
 456
 457         if (nvfx->draw_dirty & NVFX_NEW_INDEX)
 458                 draw_set_index_buffer(draw, &nvfx->idxbuf);
 459
 460         nvfx_state_validate_common(nvfx);
 461
 462         nvfx->draw_dirty = 0;
 463         return TRUE;
 464 }