src/mesa/drivers/dri/nouveau/nv10_context.c

   1 /*
   2  * Copyright (C) 2009-2010 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include "main/state.h"
  28 #include "nouveau_driver.h"
  29 #include "nouveau_context.h"
  30 #include "nouveau_fbo.h"
  31 #include "nouveau_util.h"
  32 #include "nv_object.xml.h"
  33 #include "nv10_3d.xml.h"
  34 #include "nv04_driver.h"
  35 #include "nv10_driver.h"
  36
  37 static const struct dri_extension nv10_extensions[] = {
  38         { "GL_ARB_texture_env_crossbar", NULL },
  39         { "GL_EXT_texture_rectangle",   NULL },
  40         { "GL_ARB_texture_env_combine", NULL },
  41         { "GL_ARB_texture_env_dot3",    NULL },
  42         { NULL,                         NULL }
  43 };
  44
  45 static GLboolean
  46 use_fast_zclear(struct gl_context *ctx, GLbitfield buffers)
  47 {
  48         struct nouveau_context *nctx = to_nouveau_context(ctx);
  49         struct gl_framebuffer *fb = ctx->DrawBuffer;
  50
  51         if (buffers & BUFFER_BIT_STENCIL) {
  52                 /*
  53                  * The stencil test is bypassed when fast Z clears are
  54                  * enabled.
  55                  */
  56                 nctx->hierz.clear_blocked = GL_TRUE;
  57                 context_dirty(ctx, ZCLEAR);
  58                 return GL_FALSE;
  59         }
  60
  61         return !nctx->hierz.clear_blocked &&
  62                 fb->_Xmax == fb->Width && fb->_Xmin == 0 &&
  63                 fb->_Ymax == fb->Height && fb->_Ymin == 0;
  64 }
  65
  66 GLboolean
  67 nv10_use_viewport_zclear(struct gl_context *ctx)
  68 {
  69         struct nouveau_context *nctx = to_nouveau_context(ctx);
  70         struct gl_framebuffer *fb = ctx->DrawBuffer;
  71
  72         return context_chipset(ctx) < 0x17 &&
  73                 !nctx->hierz.clear_blocked && fb->_DepthBuffer &&
  74                 (_mesa_get_format_bits(fb->_DepthBuffer->Format,
  75                                        GL_DEPTH_BITS) >= 24);
  76 }
  77
  78 float
  79 nv10_transform_depth(struct gl_context *ctx, float z)
  80 {
  81         struct nouveau_context *nctx = to_nouveau_context(ctx);
  82
  83         if (nv10_use_viewport_zclear(ctx))
  84                 return 2097152.0 * (z + (nctx->hierz.clear_seq & 7));
  85         else
  86                 return ctx->DrawBuffer->_DepthMaxF * z;
  87 }
  88
  89 static void
  90 nv10_zclear(struct gl_context *ctx, GLbitfield *buffers)
  91 {
  92         /*
  93          * Pre-nv17 cards don't have native support for fast Z clears,
  94          * but in some cases we can still "clear" the Z buffer without
  95          * actually blitting to it if we're willing to sacrifice a few
  96          * bits of depth precision.
  97          *
  98          * Each time a clear is requested we modify the viewport
  99          * transform in such a way that the old contents of the depth
 100          * buffer are clamped to the requested clear value when
 101          * they're read by the GPU.
 102          */
 103         struct nouveau_context *nctx = to_nouveau_context(ctx);
 104         struct gl_framebuffer *fb = ctx->DrawBuffer;
 105         struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb);
 106         struct nouveau_surface *s = &to_nouveau_renderbuffer(
 107                 fb->_DepthBuffer->Wrapped)->surface;
 108
 109         if (nv10_use_viewport_zclear(ctx)) {
 110                 int x, y, w, h;
 111                 float z = ctx->Depth.Clear;
 112                 uint32_t value = pack_zs_f(s->format, z, 0);
 113
 114                 get_scissors(fb, &x, &y, &w, &h);
 115                 *buffers &= ~BUFFER_BIT_DEPTH;
 116
 117                 if (use_fast_zclear(ctx, *buffers)) {
 118                         if (nfb->hierz.clear_value != value) {
 119                                 /* Don't fast clear if we're changing
 120                                  * the depth value. */
 121                                 nfb->hierz.clear_value = value;
 122
 123                         } else if (z == 0.0) {
 124                                 nctx->hierz.clear_seq++;
 125                                 context_dirty(ctx, ZCLEAR);
 126
 127                                 if ((nctx->hierz.clear_seq & 7) != 0 &&
 128                                     nctx->hierz.clear_seq != 1)
 129                                         /* We didn't wrap around -- no need to
 130                                          * clear the depth buffer for real. */
 131                                         return;
 132
 133                         } else if (z == 1.0) {
 134                                 nctx->hierz.clear_seq--;
 135                                 context_dirty(ctx, ZCLEAR);
 136
 137                                 if ((nctx->hierz.clear_seq & 7) != 7)
 138                                         /* No wrap around */
 139                                         return;
 140                         }
 141                 }
 142
 143                 value = pack_zs_f(s->format,
 144                                   (z + (nctx->hierz.clear_seq & 7)) / 8, 0);
 145                 context_drv(ctx)->surface_fill(ctx, s, ~0, value, x, y, w, h);
 146         }
 147 }
 148
 149 static void
 150 nv17_zclear(struct gl_context *ctx, GLbitfield *buffers)
 151 {
 152         struct nouveau_context *nctx = to_nouveau_context(ctx);
 153         struct nouveau_channel *chan = context_chan(ctx);
 154         struct nouveau_grobj *celsius = context_eng3d(ctx);
 155         struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(
 156                 ctx->DrawBuffer);
 157         struct nouveau_surface *s = &to_nouveau_renderbuffer(
 158                 nfb->base._DepthBuffer->Wrapped)->surface;
 159
 160         /* Clear the hierarchical depth buffer */
 161         BEGIN_RING(chan, celsius, NV17_3D_HIERZ_FILL_VALUE, 1);
 162         OUT_RING(chan, pack_zs_f(s->format, ctx->Depth.Clear, 0));
 163         BEGIN_RING(chan, celsius, NV17_3D_HIERZ_BUFFER_CLEAR, 1);
 164         OUT_RING(chan, 1);
 165
 166         /* Mark the depth buffer as cleared */
 167         if (use_fast_zclear(ctx, *buffers)) {
 168                 if (nctx->hierz.clear_seq)
 169                         *buffers &= ~BUFFER_BIT_DEPTH;
 170
 171                 nfb->hierz.clear_value =
 172                         pack_zs_f(s->format, ctx->Depth.Clear, 0);
 173                 nctx->hierz.clear_seq++;
 174
 175                 context_dirty(ctx, ZCLEAR);
 176         }
 177 }
 178
 179 static void
 180 nv10_clear(struct gl_context *ctx, GLbitfield buffers)
 181 {
 182         nouveau_validate_framebuffer(ctx);
 183
 184         if ((buffers & BUFFER_BIT_DEPTH) && ctx->Depth.Mask) {
 185                 if (context_chipset(ctx) >= 0x17)
 186                         nv17_zclear(ctx, &buffers);
 187                 else
 188                         nv10_zclear(ctx, &buffers);
 189
 190                 /* Emit the zclear state if it's dirty */
 191                 _mesa_update_state(ctx);
 192         }
 193
 194         nouveau_clear(ctx, buffers);
 195 }
 196
 197 static void
 198 nv10_hwctx_init(struct gl_context *ctx)
 199 {
 200         struct nouveau_channel *chan = context_chan(ctx);
 201         struct nouveau_grobj *celsius = context_eng3d(ctx);
 202         struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
 203         int i;
 204
 205         BEGIN_RING(chan, celsius, NV10_3D_DMA_NOTIFY, 1);
 206         OUT_RING(chan, hw->ntfy->handle);
 207
 208         BEGIN_RING(chan, celsius, NV10_3D_DMA_TEXTURE0, 3);
 209         OUT_RING(chan, chan->vram->handle);
 210         OUT_RING(chan, chan->gart->handle);
 211         OUT_RING(chan, chan->gart->handle);
 212         BEGIN_RING(chan, celsius, NV10_3D_DMA_COLOR, 2);
 213         OUT_RING(chan, chan->vram->handle);
 214         OUT_RING(chan, chan->vram->handle);
 215
 216         BEGIN_RING(chan, celsius, NV04_GRAPH_NOP, 1);
 217         OUT_RING(chan, 0);
 218
 219         BEGIN_RING(chan, celsius, NV10_3D_RT_HORIZ, 2);
 220         OUT_RING(chan, 0);
 221         OUT_RING(chan, 0);
 222
 223         BEGIN_RING(chan, celsius, NV10_3D_VIEWPORT_CLIP_HORIZ(0), 1);
 224         OUT_RING(chan, 0x7ff << 16 | 0x800);
 225         BEGIN_RING(chan, celsius, NV10_3D_VIEWPORT_CLIP_VERT(0), 1);
 226         OUT_RING(chan, 0x7ff << 16 | 0x800);
 227
 228         for (i = 1; i < 8; i++) {
 229                 BEGIN_RING(chan, celsius, NV10_3D_VIEWPORT_CLIP_HORIZ(i), 1);
 230                 OUT_RING(chan, 0);
 231                 BEGIN_RING(chan, celsius, NV10_3D_VIEWPORT_CLIP_VERT(i), 1);
 232                 OUT_RING(chan, 0);
 233         }
 234
 235         BEGIN_RING(chan, celsius, 0x290, 1);
 236         OUT_RING(chan, 0x10 << 16 | 1);
 237         BEGIN_RING(chan, celsius, 0x3f4, 1);
 238         OUT_RING(chan, 0);
 239
 240         BEGIN_RING(chan, celsius,  NV04_GRAPH_NOP, 1);
 241         OUT_RING(chan, 0);
 242
 243         if (context_chipset(ctx) >= 0x17) {
 244                 BEGIN_RING(chan, celsius, NV17_3D_UNK01AC, 2);
 245                 OUT_RING(chan, chan->vram->handle);
 246                 OUT_RING(chan, chan->vram->handle);
 247
 248                 BEGIN_RING(chan, celsius, 0xd84, 1);
 249                 OUT_RING(chan, 0x3);
 250
 251                 BEGIN_RING(chan, celsius, NV17_3D_COLOR_MASK_ENABLE, 1);
 252                 OUT_RING(chan, 1);
 253         }
 254
 255         if (context_chipset(ctx) >= 0x11) {
 256                 BEGIN_RING(chan, celsius, 0x120, 3);
 257                 OUT_RING(chan, 0);
 258                 OUT_RING(chan, 1);
 259                 OUT_RING(chan, 2);
 260
 261                 BEGIN_RING(chan, celsius, NV04_GRAPH_NOP, 1);
 262                 OUT_RING(chan, 0);
 263         }
 264
 265         BEGIN_RING(chan, celsius,  NV04_GRAPH_NOP, 1);
 266         OUT_RING(chan, 0);
 267
 268         /* Set state */
 269         BEGIN_RING(chan, celsius, NV10_3D_FOG_ENABLE, 1);
 270         OUT_RING(chan, 0);
 271         BEGIN_RING(chan, celsius, NV10_3D_ALPHA_FUNC_ENABLE, 1);
 272         OUT_RING(chan, 0);
 273         BEGIN_RING(chan, celsius, NV10_3D_ALPHA_FUNC_FUNC, 2);
 274         OUT_RING(chan, 0x207);
 275         OUT_RING(chan, 0);
 276         BEGIN_RING(chan, celsius, NV10_3D_TEX_ENABLE(0), 2);
 277         OUT_RING(chan, 0);
 278         OUT_RING(chan, 0);
 279
 280         BEGIN_RING(chan, celsius, NV10_3D_BLEND_FUNC_ENABLE, 1);
 281         OUT_RING(chan, 0);
 282         BEGIN_RING(chan, celsius, NV10_3D_DITHER_ENABLE, 2);
 283         OUT_RING(chan, 1);
 284         OUT_RING(chan, 0);
 285         BEGIN_RING(chan, celsius, NV10_3D_LINE_SMOOTH_ENABLE, 1);
 286         OUT_RING(chan, 0);
 287         BEGIN_RING(chan, celsius, NV10_3D_VERTEX_WEIGHT_ENABLE, 2);
 288         OUT_RING(chan, 0);
 289         OUT_RING(chan, 0);
 290         BEGIN_RING(chan, celsius, NV10_3D_BLEND_FUNC_SRC, 4);
 291         OUT_RING(chan, 1);
 292         OUT_RING(chan, 0);
 293         OUT_RING(chan, 0);
 294         OUT_RING(chan, 0x8006);
 295         BEGIN_RING(chan, celsius, NV10_3D_STENCIL_MASK, 8);
 296         OUT_RING(chan, 0xff);
 297         OUT_RING(chan, 0x207);
 298         OUT_RING(chan, 0);
 299         OUT_RING(chan, 0xff);
 300         OUT_RING(chan, 0x1e00);
 301         OUT_RING(chan, 0x1e00);
 302         OUT_RING(chan, 0x1e00);
 303         OUT_RING(chan, 0x1d01);
 304         BEGIN_RING(chan, celsius, NV10_3D_NORMALIZE_ENABLE, 1);
 305         OUT_RING(chan, 0);
 306         BEGIN_RING(chan, celsius, NV10_3D_FOG_ENABLE, 2);
 307         OUT_RING(chan, 0);
 308         OUT_RING(chan, 0);
 309         BEGIN_RING(chan, celsius, NV10_3D_LIGHT_MODEL, 1);
 310         OUT_RING(chan, 0);
 311         BEGIN_RING(chan, celsius, NV10_3D_SEPARATE_SPECULAR_ENABLE, 1);
 312         OUT_RING(chan, 0);
 313         BEGIN_RING(chan, celsius, NV10_3D_ENABLED_LIGHTS, 1);
 314         OUT_RING(chan, 0);
 315         BEGIN_RING(chan, celsius, NV10_3D_POLYGON_OFFSET_POINT_ENABLE, 3);
 316         OUT_RING(chan, 0);
 317         OUT_RING(chan, 0);
 318         OUT_RING(chan, 0);
 319         BEGIN_RING(chan, celsius, NV10_3D_DEPTH_FUNC, 1);
 320         OUT_RING(chan, 0x201);
 321         BEGIN_RING(chan, celsius, NV10_3D_DEPTH_WRITE_ENABLE, 1);
 322         OUT_RING(chan, 0);
 323         BEGIN_RING(chan, celsius, NV10_3D_DEPTH_TEST_ENABLE, 1);
 324         OUT_RING(chan, 0);
 325         BEGIN_RING(chan, celsius, NV10_3D_POLYGON_OFFSET_FACTOR, 2);
 326         OUT_RING(chan, 0);
 327         OUT_RING(chan, 0);
 328         BEGIN_RING(chan, celsius, NV10_3D_POINT_SIZE, 1);
 329         OUT_RING(chan, 8);
 330         BEGIN_RING(chan, celsius, NV10_3D_POINT_PARAMETERS_ENABLE, 2);
 331         OUT_RING(chan, 0);
 332         OUT_RING(chan, 0);
 333         BEGIN_RING(chan, celsius, NV10_3D_LINE_WIDTH, 1);
 334         OUT_RING(chan, 8);
 335         BEGIN_RING(chan, celsius, NV10_3D_LINE_SMOOTH_ENABLE, 1);
 336         OUT_RING(chan, 0);
 337         BEGIN_RING(chan, celsius, NV10_3D_POLYGON_MODE_FRONT, 2);
 338         OUT_RING(chan, 0x1b02);
 339         OUT_RING(chan, 0x1b02);
 340         BEGIN_RING(chan, celsius, NV10_3D_CULL_FACE, 2);
 341         OUT_RING(chan, 0x405);
 342         OUT_RING(chan, 0x901);
 343         BEGIN_RING(chan, celsius, NV10_3D_POLYGON_SMOOTH_ENABLE, 1);
 344         OUT_RING(chan, 0);
 345         BEGIN_RING(chan, celsius, NV10_3D_CULL_FACE_ENABLE, 1);
 346         OUT_RING(chan, 0);
 347         BEGIN_RING(chan, celsius, NV10_3D_TEX_GEN_MODE(0, 0), 8);
 348         for (i = 0; i < 8; i++)
 349                 OUT_RING(chan, 0);
 350
 351         BEGIN_RING(chan, celsius, NV10_3D_TEX_MATRIX_ENABLE(0), 2);
 352         OUT_RING(chan, 0);
 353         OUT_RING(chan, 0);
 354         BEGIN_RING(chan, celsius, NV10_3D_FOG_COEFF(0), 3);
 355         OUT_RING(chan, 0x3fc00000);     /* -1.50 */
 356         OUT_RING(chan, 0xbdb8aa0a);     /* -0.09 */
 357         OUT_RING(chan, 0);              /*  0.00 */
 358
 359         BEGIN_RING(chan, celsius,  NV04_GRAPH_NOP, 1);
 360         OUT_RING(chan, 0);
 361
 362         BEGIN_RING(chan, celsius, NV10_3D_FOG_MODE, 2);
 363         OUT_RING(chan, 0x802);
 364         OUT_RING(chan, 2);
 365         /* for some reason VIEW_MATRIX_ENABLE need to be 6 instead of 4 when
 366          * using texturing, except when using the texture matrix
 367          */
 368         BEGIN_RING(chan, celsius, NV10_3D_VIEW_MATRIX_ENABLE, 1);
 369         OUT_RING(chan, 6);
 370         BEGIN_RING(chan, celsius, NV10_3D_COLOR_MASK, 1);
 371         OUT_RING(chan, 0x01010101);
 372
 373         /* Set vertex component */
 374         BEGIN_RING(chan, celsius, NV10_3D_VERTEX_COL_4F_R, 4);
 375         OUT_RINGf(chan, 1.0);
 376         OUT_RINGf(chan, 0.0);
 377         OUT_RINGf(chan, 0.0);
 378         OUT_RINGf(chan, 1.0);
 379         BEGIN_RING(chan, celsius, NV10_3D_VERTEX_COL2_3F_R, 3);
 380         OUT_RING(chan, 0);
 381         OUT_RING(chan, 0);
 382         OUT_RING(chan, 0);
 383         BEGIN_RING(chan, celsius, NV10_3D_VERTEX_NOR_3F_X, 3);
 384         OUT_RING(chan, 0);
 385         OUT_RING(chan, 0);
 386         OUT_RINGf(chan, 1.0);
 387         BEGIN_RING(chan, celsius, NV10_3D_VERTEX_TX0_4F_S, 4);
 388         OUT_RINGf(chan, 0.0);
 389         OUT_RINGf(chan, 0.0);
 390         OUT_RINGf(chan, 0.0);
 391         OUT_RINGf(chan, 1.0);
 392         BEGIN_RING(chan, celsius, NV10_3D_VERTEX_TX1_4F_S, 4);
 393         OUT_RINGf(chan, 0.0);
 394         OUT_RINGf(chan, 0.0);
 395         OUT_RINGf(chan, 0.0);
 396         OUT_RINGf(chan, 1.0);
 397         BEGIN_RING(chan, celsius, NV10_3D_VERTEX_FOG_1F, 1);
 398         OUT_RINGf(chan, 0.0);
 399         BEGIN_RING(chan, celsius, NV10_3D_EDGEFLAG_ENABLE, 1);
 400         OUT_RING(chan, 1);
 401
 402         BEGIN_RING(chan, celsius, NV10_3D_DEPTH_RANGE_NEAR, 2);
 403         OUT_RINGf(chan, 0.0);
 404         OUT_RINGf(chan, 16777216.0);
 405
 406         FIRE_RING(chan);
 407 }
 408
 409 static void
 410 nv10_context_destroy(struct gl_context *ctx)
 411 {
 412         struct nouveau_context *nctx = to_nouveau_context(ctx);
 413
 414         nv04_surface_takedown(ctx);
 415         nv10_swtnl_destroy(ctx);
 416         nv10_vbo_destroy(ctx);
 417
 418         nouveau_grobj_free(&nctx->hw.eng3d);
 419
 420         nouveau_context_deinit(ctx);
 421         FREE(ctx);
 422 }
 423
 424 static struct gl_context *
 425 nv10_context_create(struct nouveau_screen *screen, const struct gl_config *visual,
 426                     struct gl_context *share_ctx)
 427 {
 428         struct nouveau_context *nctx;
 429         struct gl_context *ctx;
 430         unsigned celsius_class;
 431         int ret;
 432
 433         nctx = CALLOC_STRUCT(nouveau_context);
 434         if (!nctx)
 435                 return NULL;
 436
 437         ctx = &nctx->base;
 438
 439         if (!nouveau_context_init(ctx, screen, visual, share_ctx))
 440                 goto fail;
 441
 442         driInitExtensions(ctx, nv10_extensions, GL_FALSE);
 443
 444         /* GL constants. */
 445         ctx->Const.MaxTextureLevels = 12;
 446         ctx->Const.MaxTextureCoordUnits = NV10_TEXTURE_UNITS;
 447         ctx->Const.MaxTextureImageUnits = NV10_TEXTURE_UNITS;
 448         ctx->Const.MaxTextureUnits = NV10_TEXTURE_UNITS;
 449         ctx->Const.MaxTextureMaxAnisotropy = 2;
 450         ctx->Const.MaxTextureLodBias = 15;
 451         ctx->Driver.Clear = nv10_clear;
 452
 453         /* 2D engine. */
 454         ret = nv04_surface_init(ctx);
 455         if (!ret)
 456                 goto fail;
 457
 458         /* 3D engine. */
 459         if (context_chipset(ctx) >= 0x17)
 460                 celsius_class = NV17_3D;
 461         else if (context_chipset(ctx) >= 0x11)
 462                 celsius_class = NV11_3D;
 463         else
 464                 celsius_class = NV10_3D;
 465
 466         ret = nouveau_grobj_alloc(context_chan(ctx), 0xbeef0001, celsius_class,
 467                                   &nctx->hw.eng3d);
 468         if (ret)
 469                 goto fail;
 470
 471         nv10_hwctx_init(ctx);
 472         nv10_vbo_init(ctx);
 473         nv10_swtnl_init(ctx);
 474
 475         return ctx;
 476
 477 fail:
 478         nv10_context_destroy(ctx);
 479         return NULL;
 480 }
 481
 482 const struct nouveau_driver nv10_driver = {
 483         .context_create = nv10_context_create,
 484         .context_destroy = nv10_context_destroy,
 485         .surface_copy = nv04_surface_copy,
 486         .surface_fill = nv04_surface_fill,
 487         .emit = (nouveau_state_func[]) {
 488                 nv10_emit_alpha_func,
 489                 nv10_emit_blend_color,
 490                 nv10_emit_blend_equation,
 491                 nv10_emit_blend_func,
 492                 nv10_emit_clip_plane,
 493                 nv10_emit_clip_plane,
 494                 nv10_emit_clip_plane,
 495                 nv10_emit_clip_plane,
 496                 nv10_emit_clip_plane,
 497                 nv10_emit_clip_plane,
 498                 nv10_emit_color_mask,
 499                 nv10_emit_color_material,
 500                 nv10_emit_cull_face,
 501                 nv10_emit_front_face,
 502                 nv10_emit_depth,
 503                 nv10_emit_dither,
 504                 nv10_emit_frag,
 505                 nv10_emit_framebuffer,
 506                 nv10_emit_fog,
 507                 nv10_emit_light_enable,
 508                 nv10_emit_light_model,
 509                 nv10_emit_light_source,
 510                 nv10_emit_light_source,
 511                 nv10_emit_light_source,
 512                 nv10_emit_light_source,
 513                 nv10_emit_light_source,
 514                 nv10_emit_light_source,
 515                 nv10_emit_light_source,
 516                 nv10_emit_light_source,
 517                 nv10_emit_line_stipple,
 518                 nv10_emit_line_mode,
 519                 nv10_emit_logic_opcode,
 520                 nv10_emit_material_ambient,
 521                 nouveau_emit_nothing,
 522                 nv10_emit_material_diffuse,
 523                 nouveau_emit_nothing,
 524                 nv10_emit_material_specular,
 525                 nouveau_emit_nothing,
 526                 nv10_emit_material_shininess,
 527                 nouveau_emit_nothing,
 528                 nv10_emit_modelview,
 529                 nv10_emit_point_mode,
 530                 nv10_emit_point_parameter,
 531                 nv10_emit_polygon_mode,
 532                 nv10_emit_polygon_offset,
 533                 nv10_emit_polygon_stipple,
 534                 nv10_emit_projection,
 535                 nv10_emit_render_mode,
 536                 nv10_emit_scissor,
 537                 nv10_emit_shade_model,
 538                 nv10_emit_stencil_func,
 539                 nv10_emit_stencil_mask,
 540                 nv10_emit_stencil_op,
 541                 nv10_emit_tex_env,
 542                 nv10_emit_tex_env,
 543                 nouveau_emit_nothing,
 544                 nouveau_emit_nothing,
 545                 nv10_emit_tex_gen,
 546                 nv10_emit_tex_gen,
 547                 nouveau_emit_nothing,
 548                 nouveau_emit_nothing,
 549                 nv10_emit_tex_mat,
 550                 nv10_emit_tex_mat,
 551                 nouveau_emit_nothing,
 552                 nouveau_emit_nothing,
 553                 nv10_emit_tex_obj,
 554                 nv10_emit_tex_obj,
 555                 nouveau_emit_nothing,
 556                 nouveau_emit_nothing,
 557                 nv10_emit_viewport,
 558                 nv10_emit_zclear
 559         },
 560         .num_emit = NUM_NV10_STATE,
 561 };