src/mesa/drivers/dri/nouveau/nv20_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 <stdbool.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 "nv20_3d.xml.h"
  34 #include "nv04_driver.h"
  35 #include "nv10_driver.h"
  36 #include "nv20_driver.h"
  37
  38 static void
  39 nv20_clear(struct gl_context *ctx, GLbitfield buffers)
  40 {
  41         struct nouveau_context *nctx = to_nouveau_context(ctx);
  42         struct nouveau_pushbuf *push = context_push(ctx);
  43         struct gl_framebuffer *fb = ctx->DrawBuffer;
  44         uint32_t clear = 0;
  45
  46         nouveau_validate_framebuffer(ctx);
  47
  48         nouveau_pushbuf_bufctx(push, nctx->hw.bufctx);
  49         if (nouveau_pushbuf_validate(push)) {
  50                 nouveau_pushbuf_bufctx(push, NULL);
  51                 return;
  52         }
  53
  54         if (buffers & BUFFER_BITS_COLOR) {
  55                 struct nouveau_surface *s = &to_nouveau_renderbuffer(
  56                         fb->_ColorDrawBuffers[0])->surface;
  57
  58                 if (ctx->Color.ColorMask[0][RCOMP])
  59                         clear |= NV20_3D_CLEAR_BUFFERS_COLOR_R;
  60                 if (ctx->Color.ColorMask[0][GCOMP])
  61                         clear |= NV20_3D_CLEAR_BUFFERS_COLOR_G;
  62                 if (ctx->Color.ColorMask[0][BCOMP])
  63                         clear |= NV20_3D_CLEAR_BUFFERS_COLOR_B;
  64                 if (ctx->Color.ColorMask[0][ACOMP])
  65                         clear |= NV20_3D_CLEAR_BUFFERS_COLOR_A;
  66
  67                 BEGIN_NV04(push, NV20_3D(CLEAR_VALUE), 1);
  68                 PUSH_DATA (push, pack_rgba_clamp_f(s->format, ctx->Color.ClearColor.f));
  69
  70                 buffers &= ~BUFFER_BITS_COLOR;
  71         }
  72
  73         if (buffers & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) {
  74                 struct nouveau_surface *s = &to_nouveau_renderbuffer(
  75                         fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface;
  76
  77                 if (buffers & BUFFER_BIT_DEPTH && ctx->Depth.Mask)
  78                         clear |= NV20_3D_CLEAR_BUFFERS_DEPTH;
  79                 if (buffers & BUFFER_BIT_STENCIL && ctx->Stencil.WriteMask[0])
  80                         clear |= NV20_3D_CLEAR_BUFFERS_STENCIL;
  81
  82                 BEGIN_NV04(push, NV20_3D(CLEAR_DEPTH_VALUE), 1);
  83                 PUSH_DATA (push, pack_zs_f(s->format, ctx->Depth.Clear,
  84                                          ctx->Stencil.Clear));
  85
  86                 buffers &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
  87         }
  88
  89         BEGIN_NV04(push, NV20_3D(CLEAR_BUFFERS), 1);
  90         PUSH_DATA (push, clear);
  91
  92         nouveau_pushbuf_bufctx(push, NULL);
  93         nouveau_clear(ctx, buffers);
  94 }
  95
  96 static void
  97 nv20_hwctx_init(struct gl_context *ctx)
  98 {
  99         struct nouveau_pushbuf *push = context_push(ctx);
 100         struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
 101         struct nv04_fifo *fifo = hw->chan->data;
 102         int i;
 103
 104         BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
 105         PUSH_DATA (push, hw->eng3d->handle);
 106         BEGIN_NV04(push, NV20_3D(DMA_NOTIFY), 1);
 107         PUSH_DATA (push, hw->ntfy->handle);
 108         BEGIN_NV04(push, NV20_3D(DMA_TEXTURE0), 2);
 109         PUSH_DATA (push, fifo->vram);
 110         PUSH_DATA (push, fifo->gart);
 111         BEGIN_NV04(push, NV20_3D(DMA_COLOR), 2);
 112         PUSH_DATA (push, fifo->vram);
 113         PUSH_DATA (push, fifo->vram);
 114         BEGIN_NV04(push, NV20_3D(DMA_VTXBUF0), 2);
 115         PUSH_DATA (push, fifo->vram);
 116         PUSH_DATA (push, fifo->gart);
 117
 118         BEGIN_NV04(push, NV20_3D(DMA_QUERY), 1);
 119         PUSH_DATA (push, 0);
 120
 121         BEGIN_NV04(push, NV20_3D(RT_HORIZ), 2);
 122         PUSH_DATA (push, 0);
 123         PUSH_DATA (push, 0);
 124
 125         BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_HORIZ(0)), 1);
 126         PUSH_DATA (push, 0xfff << 16 | 0x0);
 127         BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_VERT(0)), 1);
 128         PUSH_DATA (push, 0xfff << 16 | 0x0);
 129
 130         for (i = 1; i < NV20_3D_VIEWPORT_CLIP_HORIZ__LEN; i++) {
 131                 BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_HORIZ(i)), 1);
 132                 PUSH_DATA (push, 0);
 133                 BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_VERT(i)), 1);
 134                 PUSH_DATA (push, 0);
 135         }
 136
 137         BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_MODE), 1);
 138         PUSH_DATA (push, 0);
 139
 140         BEGIN_NV04(push, SUBC_3D(0x17e0), 3);
 141         PUSH_DATAf(push, 0.0);
 142         PUSH_DATAf(push, 0.0);
 143         PUSH_DATAf(push, 1.0);
 144
 145         if (context_chipset(ctx) >= 0x25) {
 146                 BEGIN_NV04(push, NV20_3D(TEX_RCOMP), 1);
 147                 PUSH_DATA (push, NV20_3D_TEX_RCOMP_LEQUAL | 0xdb0);
 148         } else {
 149                 BEGIN_NV04(push, SUBC_3D(0x1e68), 1);
 150                 PUSH_DATA (push, 0x4b800000); /* 16777216.000000 */
 151                 BEGIN_NV04(push, NV20_3D(TEX_RCOMP), 1);
 152                 PUSH_DATA (push, NV20_3D_TEX_RCOMP_LEQUAL);
 153         }
 154
 155         BEGIN_NV04(push, SUBC_3D(0x290), 1);
 156         PUSH_DATA (push, 0x10 << 16 | 1);
 157         BEGIN_NV04(push, SUBC_3D(0x9fc), 1);
 158         PUSH_DATA (push, 0);
 159         BEGIN_NV04(push, SUBC_3D(0x1d80), 1);
 160         PUSH_DATA (push, 1);
 161         BEGIN_NV04(push, SUBC_3D(0x9f8), 1);
 162         PUSH_DATA (push, 4);
 163         BEGIN_NV04(push, SUBC_3D(0x17ec), 3);
 164         PUSH_DATAf(push, 0.0);
 165         PUSH_DATAf(push, 1.0);
 166         PUSH_DATAf(push, 0.0);
 167
 168         if (context_chipset(ctx) >= 0x25) {
 169                 BEGIN_NV04(push, SUBC_3D(0x1d88), 1);
 170                 PUSH_DATA (push, 3);
 171
 172                 BEGIN_NV04(push, NV25_3D(DMA_HIERZ), 1);
 173                 PUSH_DATA (push, fifo->vram);
 174                 BEGIN_NV04(push, NV25_3D(UNK01AC), 1);
 175                 PUSH_DATA (push, fifo->vram);
 176         }
 177
 178         BEGIN_NV04(push, NV20_3D(DMA_FENCE), 1);
 179         PUSH_DATA (push, 0);
 180
 181         BEGIN_NV04(push, SUBC_3D(0x1e98), 1);
 182         PUSH_DATA (push, 0);
 183
 184         BEGIN_NV04(push, NV04_GRAPH(3D, NOTIFY), 1);
 185         PUSH_DATA (push, 0);
 186
 187         BEGIN_NV04(push, SUBC_3D(0x120), 3);
 188         PUSH_DATA (push, 0);
 189         PUSH_DATA (push, 1);
 190         PUSH_DATA (push, 2);
 191
 192         if (context_chipset(ctx) >= 0x25) {
 193                 BEGIN_NV04(push, SUBC_3D(0x1da4), 1);
 194                 PUSH_DATA (push, 0);
 195         }
 196
 197         BEGIN_NV04(push, NV20_3D(RT_HORIZ), 2);
 198         PUSH_DATA (push, 0 << 16 | 0);
 199         PUSH_DATA (push, 0 << 16 | 0);
 200
 201         BEGIN_NV04(push, NV20_3D(ALPHA_FUNC_ENABLE), 1);
 202         PUSH_DATA (push, 0);
 203         BEGIN_NV04(push, NV20_3D(ALPHA_FUNC_FUNC), 2);
 204         PUSH_DATA (push, NV20_3D_ALPHA_FUNC_FUNC_ALWAYS);
 205         PUSH_DATA (push, 0);
 206
 207         for (i = 0; i < NV20_3D_TEX__LEN; i++) {
 208                 BEGIN_NV04(push, NV20_3D(TEX_ENABLE(i)), 1);
 209                 PUSH_DATA (push, 0);
 210         }
 211
 212         BEGIN_NV04(push, NV20_3D(TEX_SHADER_OP), 1);
 213         PUSH_DATA (push, 0);
 214         BEGIN_NV04(push, NV20_3D(TEX_SHADER_CULL_MODE), 1);
 215         PUSH_DATA (push, 0);
 216
 217         BEGIN_NV04(push, NV20_3D(RC_IN_ALPHA(0)), 4);
 218         PUSH_DATA (push, 0x30d410d0);
 219         PUSH_DATA (push, 0);
 220         PUSH_DATA (push, 0);
 221         PUSH_DATA (push, 0);
 222         BEGIN_NV04(push, NV20_3D(RC_OUT_RGB(0)), 4);
 223         PUSH_DATA (push, 0x00000c00);
 224         PUSH_DATA (push, 0);
 225         PUSH_DATA (push, 0);
 226         PUSH_DATA (push, 0);
 227         BEGIN_NV04(push, NV20_3D(RC_ENABLE), 1);
 228         PUSH_DATA (push, 0x00011101);
 229         BEGIN_NV04(push, NV20_3D(RC_FINAL0), 2);
 230         PUSH_DATA (push, 0x130e0300);
 231         PUSH_DATA (push, 0x0c091c80);
 232         BEGIN_NV04(push, NV20_3D(RC_OUT_ALPHA(0)), 4);
 233         PUSH_DATA (push, 0x00000c00);
 234         PUSH_DATA (push, 0);
 235         PUSH_DATA (push, 0);
 236         PUSH_DATA (push, 0);
 237         BEGIN_NV04(push, NV20_3D(RC_IN_RGB(0)), 4);
 238         PUSH_DATA (push, 0x20c400c0);
 239         PUSH_DATA (push, 0);
 240         PUSH_DATA (push, 0);
 241         PUSH_DATA (push, 0);
 242         BEGIN_NV04(push, NV20_3D(RC_COLOR0), 2);
 243         PUSH_DATA (push, 0);
 244         PUSH_DATA (push, 0);
 245         BEGIN_NV04(push, NV20_3D(RC_CONSTANT_COLOR0(0)), 4);
 246         PUSH_DATA (push, 0x035125a0);
 247         PUSH_DATA (push, 0);
 248         PUSH_DATA (push, 0x40002000);
 249         PUSH_DATA (push, 0);
 250
 251         BEGIN_NV04(push, NV20_3D(MULTISAMPLE_CONTROL), 1);
 252         PUSH_DATA (push, 0xffff0000);
 253         BEGIN_NV04(push, NV20_3D(BLEND_FUNC_ENABLE), 1);
 254         PUSH_DATA (push, 0);
 255         BEGIN_NV04(push, NV20_3D(DITHER_ENABLE), 1);
 256         PUSH_DATA (push, 0);
 257         BEGIN_NV04(push, NV20_3D(STENCIL_ENABLE), 1);
 258         PUSH_DATA (push, 0);
 259         BEGIN_NV04(push, NV20_3D(BLEND_FUNC_SRC), 4);
 260         PUSH_DATA (push, NV20_3D_BLEND_FUNC_SRC_ONE);
 261         PUSH_DATA (push, NV20_3D_BLEND_FUNC_DST_ZERO);
 262         PUSH_DATA (push, 0);
 263         PUSH_DATA (push, NV20_3D_BLEND_EQUATION_FUNC_ADD);
 264         BEGIN_NV04(push, NV20_3D(STENCIL_MASK), 7);
 265         PUSH_DATA (push, 0xff);
 266         PUSH_DATA (push, NV20_3D_STENCIL_FUNC_FUNC_ALWAYS);
 267         PUSH_DATA (push, 0);
 268         PUSH_DATA (push, 0xff);
 269         PUSH_DATA (push, NV20_3D_STENCIL_OP_FAIL_KEEP);
 270         PUSH_DATA (push, NV20_3D_STENCIL_OP_ZFAIL_KEEP);
 271         PUSH_DATA (push, NV20_3D_STENCIL_OP_ZPASS_KEEP);
 272
 273         BEGIN_NV04(push, NV20_3D(COLOR_LOGIC_OP_ENABLE), 2);
 274         PUSH_DATA (push, 0);
 275         PUSH_DATA (push, NV20_3D_COLOR_LOGIC_OP_OP_COPY);
 276         BEGIN_NV04(push, SUBC_3D(0x17cc), 1);
 277         PUSH_DATA (push, 0);
 278         if (context_chipset(ctx) >= 0x25) {
 279                 BEGIN_NV04(push, SUBC_3D(0x1d84), 1);
 280                 PUSH_DATA (push, 1);
 281         }
 282         BEGIN_NV04(push, NV20_3D(LIGHTING_ENABLE), 1);
 283         PUSH_DATA (push, 0);
 284         BEGIN_NV04(push, NV20_3D(LIGHT_MODEL), 1);
 285         PUSH_DATA (push, NV20_3D_LIGHT_MODEL_VIEWER_NONLOCAL);
 286         BEGIN_NV04(push, NV20_3D(SEPARATE_SPECULAR_ENABLE), 1);
 287         PUSH_DATA (push, 0);
 288         BEGIN_NV04(push, NV20_3D(LIGHT_MODEL_TWO_SIDE_ENABLE), 1);
 289         PUSH_DATA (push, 0);
 290         BEGIN_NV04(push, NV20_3D(ENABLED_LIGHTS), 1);
 291         PUSH_DATA (push, 0);
 292         BEGIN_NV04(push, NV20_3D(NORMALIZE_ENABLE), 1);
 293         PUSH_DATA (push, 0);
 294         BEGIN_NV04(push, NV20_3D(POLYGON_STIPPLE_PATTERN(0)),
 295                    NV20_3D_POLYGON_STIPPLE_PATTERN__LEN);
 296         for (i = 0; i < NV20_3D_POLYGON_STIPPLE_PATTERN__LEN; i++) {
 297                 PUSH_DATA (push, 0xffffffff);
 298         }
 299
 300         BEGIN_NV04(push, NV20_3D(POLYGON_OFFSET_POINT_ENABLE), 3);
 301         PUSH_DATA (push, 0);
 302         PUSH_DATA (push, 0);
 303         PUSH_DATA (push, 0);
 304         BEGIN_NV04(push, NV20_3D(DEPTH_FUNC), 1);
 305         PUSH_DATA (push, NV20_3D_DEPTH_FUNC_LESS);
 306         BEGIN_NV04(push, NV20_3D(DEPTH_WRITE_ENABLE), 1);
 307         PUSH_DATA (push, 0);
 308         BEGIN_NV04(push, NV20_3D(DEPTH_TEST_ENABLE), 1);
 309         PUSH_DATA (push, 0);
 310         BEGIN_NV04(push, NV20_3D(POLYGON_OFFSET_FACTOR), 2);
 311         PUSH_DATAf(push, 0.0);
 312         PUSH_DATAf(push, 0.0);
 313         BEGIN_NV04(push, NV20_3D(DEPTH_CLAMP), 1);
 314         PUSH_DATA (push, 1);
 315         if (context_chipset(ctx) < 0x25) {
 316                 BEGIN_NV04(push, SUBC_3D(0x1d84), 1);
 317                 PUSH_DATA (push, 3);
 318         }
 319         BEGIN_NV04(push, NV20_3D(POINT_SIZE), 1);
 320         if (context_chipset(ctx) >= 0x25)
 321                 PUSH_DATAf(push, 1.0);
 322         else
 323                 PUSH_DATA (push, 8);
 324
 325         if (context_chipset(ctx) >= 0x25) {
 326                 BEGIN_NV04(push, NV20_3D(POINT_PARAMETERS_ENABLE), 1);
 327                 PUSH_DATA (push, 0);
 328                 BEGIN_NV04(push, SUBC_3D(0x0a1c), 1);
 329                 PUSH_DATA (push, 0x800);
 330         } else {
 331                 BEGIN_NV04(push, NV20_3D(POINT_PARAMETERS_ENABLE), 2);
 332                 PUSH_DATA (push, 0);
 333                 PUSH_DATA (push, 0);
 334         }
 335
 336         BEGIN_NV04(push, NV20_3D(LINE_WIDTH), 1);
 337         PUSH_DATA (push, 8);
 338         BEGIN_NV04(push, NV20_3D(LINE_SMOOTH_ENABLE), 1);
 339         PUSH_DATA (push, 0);
 340         BEGIN_NV04(push, NV20_3D(POLYGON_MODE_FRONT), 2);
 341         PUSH_DATA (push, NV20_3D_POLYGON_MODE_FRONT_FILL);
 342         PUSH_DATA (push, NV20_3D_POLYGON_MODE_BACK_FILL);
 343         BEGIN_NV04(push, NV20_3D(CULL_FACE), 2);
 344         PUSH_DATA (push, NV20_3D_CULL_FACE_BACK);
 345         PUSH_DATA (push, NV20_3D_FRONT_FACE_CCW);
 346         BEGIN_NV04(push, NV20_3D(POLYGON_SMOOTH_ENABLE), 1);
 347         PUSH_DATA (push, 0);
 348         BEGIN_NV04(push, NV20_3D(CULL_FACE_ENABLE), 1);
 349         PUSH_DATA (push, 0);
 350         BEGIN_NV04(push, NV20_3D(SHADE_MODEL), 1);
 351         PUSH_DATA (push, NV20_3D_SHADE_MODEL_SMOOTH);
 352         BEGIN_NV04(push, NV20_3D(POLYGON_STIPPLE_ENABLE), 1);
 353         PUSH_DATA (push, 0);
 354
 355         BEGIN_NV04(push, NV20_3D(TEX_GEN_MODE(0,0)),
 356                    4 * NV20_3D_TEX_GEN_MODE__ESIZE);
 357         for (i=0; i < 4 * NV20_3D_TEX_GEN_MODE__LEN; i++)
 358                 PUSH_DATA (push, 0);
 359
 360         BEGIN_NV04(push, NV20_3D(FOG_COEFF(0)), 3);
 361         PUSH_DATAf(push, 1.5);
 362         PUSH_DATAf(push, -0.090168);
 363         PUSH_DATAf(push, 0.0);
 364         BEGIN_NV04(push, NV20_3D(FOG_MODE), 2);
 365         PUSH_DATA (push, NV20_3D_FOG_MODE_EXP_SIGNED);
 366         PUSH_DATA (push, NV20_3D_FOG_COORD_FOG);
 367         BEGIN_NV04(push, NV20_3D(FOG_ENABLE), 2);
 368         PUSH_DATA (push, 0);
 369         PUSH_DATA (push, 0);
 370
 371         BEGIN_NV04(push, NV20_3D(ENGINE), 1);
 372         PUSH_DATA (push, NV20_3D_ENGINE_FIXED);
 373
 374         for (i = 0; i < NV20_3D_TEX_MATRIX_ENABLE__LEN; i++) {
 375                 BEGIN_NV04(push, NV20_3D(TEX_MATRIX_ENABLE(i)), 1);
 376                 PUSH_DATA (push, 0);
 377         }
 378
 379         BEGIN_NV04(push, NV20_3D(VERTEX_ATTR_4F_X(1)), 4 * 15);
 380         PUSH_DATAf(push, 1.0);
 381         PUSH_DATAf(push, 0.0);
 382         PUSH_DATAf(push, 0.0);
 383         PUSH_DATAf(push, 1.0);
 384         PUSH_DATAf(push, 0.0);
 385         PUSH_DATAf(push, 0.0);
 386         PUSH_DATAf(push, 1.0);
 387         PUSH_DATAf(push, 1.0);
 388         PUSH_DATAf(push, 1.0);
 389         PUSH_DATAf(push, 1.0);
 390         PUSH_DATAf(push, 1.0);
 391         PUSH_DATAf(push, 1.0);
 392         for (i = 0; i < 12; i++) {
 393                 PUSH_DATAf(push, 0.0);
 394                 PUSH_DATAf(push, 0.0);
 395                 PUSH_DATAf(push, 0.0);
 396                 PUSH_DATAf(push, 1.0);
 397         }
 398
 399         BEGIN_NV04(push, NV20_3D(EDGEFLAG_ENABLE), 1);
 400         PUSH_DATA (push, 1);
 401         BEGIN_NV04(push, NV20_3D(COLOR_MASK), 1);
 402         PUSH_DATA (push, 0x00010101);
 403         BEGIN_NV04(push, NV20_3D(CLEAR_VALUE), 1);
 404         PUSH_DATA (push, 0);
 405
 406         BEGIN_NV04(push, NV20_3D(DEPTH_RANGE_NEAR), 2);
 407         PUSH_DATAf(push, 0.0);
 408         PUSH_DATAf(push, 16777216.0);
 409
 410         BEGIN_NV04(push, NV20_3D(VIEWPORT_TRANSLATE_X), 4);
 411         PUSH_DATAf(push, 0.0);
 412         PUSH_DATAf(push, 0.0);
 413         PUSH_DATAf(push, 0.0);
 414         PUSH_DATAf(push, 16777215.0);
 415
 416         BEGIN_NV04(push, NV20_3D(VIEWPORT_SCALE_X), 4);
 417         PUSH_DATAf(push, 0.0);
 418         PUSH_DATAf(push, 0.0);
 419         PUSH_DATAf(push, 16777215.0 * 0.5);
 420         PUSH_DATAf(push, 65535.0);
 421
 422         PUSH_KICK (push);
 423 }
 424
 425 static void
 426 nv20_context_destroy(struct gl_context *ctx)
 427 {
 428         struct nouveau_context *nctx = to_nouveau_context(ctx);
 429
 430         nv04_surface_takedown(ctx);
 431         nv20_swtnl_destroy(ctx);
 432         nv20_vbo_destroy(ctx);
 433
 434         nouveau_object_del(&nctx->hw.eng3d);
 435
 436         nouveau_context_deinit(ctx);
 437         free(ctx);
 438 }
 439
 440 static struct gl_context *
 441 nv20_context_create(struct nouveau_screen *screen, gl_api api,
 442                     const struct gl_config *visual,
 443                     struct gl_context *share_ctx)
 444 {
 445         struct nouveau_context *nctx;
 446         struct gl_context *ctx;
 447         unsigned kelvin_class;
 448         int ret;
 449
 450         nctx = CALLOC_STRUCT(nouveau_context);
 451         if (!nctx)
 452                 return NULL;
 453
 454         ctx = &nctx->base;
 455
 456         if (!nouveau_context_init(ctx, api, screen, visual, share_ctx))
 457                 goto fail;
 458
 459         ctx->Extensions.ARB_texture_env_crossbar = true;
 460         ctx->Extensions.ARB_texture_env_combine = true;
 461         ctx->Extensions.ARB_texture_env_dot3 = true;
 462         ctx->Extensions.NV_fog_distance = true;
 463         ctx->Extensions.NV_texture_rectangle = true;
 464         if (ctx->Mesa_DXTn) {
 465                 ctx->Extensions.EXT_texture_compression_s3tc = true;
 466                 ctx->Extensions.ANGLE_texture_compression_dxt = true;
 467         }
 468
 469         /* GL constants. */
 470         ctx->Const.MaxTextureCoordUnits = NV20_TEXTURE_UNITS;
 471         ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = NV20_TEXTURE_UNITS;
 472         ctx->Const.MaxTextureUnits = NV20_TEXTURE_UNITS;
 473         ctx->Const.MaxTextureMaxAnisotropy = 8;
 474         ctx->Const.MaxTextureLodBias = 15;
 475         ctx->Driver.Clear = nv20_clear;
 476
 477         /* 2D engine. */
 478         ret = nv04_surface_init(ctx);
 479         if (!ret)
 480                 goto fail;
 481
 482         /* 3D engine. */
 483         if (context_chipset(ctx) >= 0x25)
 484                 kelvin_class = NV25_3D_CLASS;
 485         else
 486                 kelvin_class = NV20_3D_CLASS;
 487
 488         ret = nouveau_object_new(context_chan(ctx), 0xbeef0001, kelvin_class,
 489                                  NULL, 0, &nctx->hw.eng3d);
 490         if (ret)
 491                 goto fail;
 492
 493         nv20_hwctx_init(ctx);
 494         nv20_vbo_init(ctx);
 495         nv20_swtnl_init(ctx);
 496
 497         return ctx;
 498
 499 fail:
 500         nv20_context_destroy(ctx);
 501         return NULL;
 502 }
 503
 504 const struct nouveau_driver nv20_driver = {
 505         .context_create = nv20_context_create,
 506         .context_destroy = nv20_context_destroy,
 507         .surface_copy = nv04_surface_copy,
 508         .surface_fill = nv04_surface_fill,
 509         .emit = (nouveau_state_func[]) {
 510                 nv10_emit_alpha_func,
 511                 nv10_emit_blend_color,
 512                 nv10_emit_blend_equation,
 513                 nv10_emit_blend_func,
 514                 nv20_emit_clip_plane,
 515                 nv20_emit_clip_plane,
 516                 nv20_emit_clip_plane,
 517                 nv20_emit_clip_plane,
 518                 nv20_emit_clip_plane,
 519                 nv20_emit_clip_plane,
 520                 nv10_emit_color_mask,
 521                 nv20_emit_color_material,
 522                 nv10_emit_cull_face,
 523                 nv10_emit_front_face,
 524                 nv10_emit_depth,
 525                 nv10_emit_dither,
 526                 nv20_emit_frag,
 527                 nv20_emit_framebuffer,
 528                 nv20_emit_fog,
 529                 nv10_emit_light_enable,
 530                 nv20_emit_light_model,
 531                 nv20_emit_light_source,
 532                 nv20_emit_light_source,
 533                 nv20_emit_light_source,
 534                 nv20_emit_light_source,
 535                 nv20_emit_light_source,
 536                 nv20_emit_light_source,
 537                 nv20_emit_light_source,
 538                 nv20_emit_light_source,
 539                 nv10_emit_line_stipple,
 540                 nv10_emit_line_mode,
 541                 nv20_emit_logic_opcode,
 542                 nv20_emit_material_ambient,
 543                 nv20_emit_material_ambient,
 544                 nv20_emit_material_diffuse,
 545                 nv20_emit_material_diffuse,
 546                 nv20_emit_material_specular,
 547                 nv20_emit_material_specular,
 548                 nv20_emit_material_shininess,
 549                 nv20_emit_material_shininess,
 550                 nv20_emit_modelview,
 551                 nv20_emit_point_mode,
 552                 nv10_emit_point_parameter,
 553                 nv10_emit_polygon_mode,
 554                 nv10_emit_polygon_offset,
 555                 nv10_emit_polygon_stipple,
 556                 nv20_emit_projection,
 557                 nv10_emit_render_mode,
 558                 nv10_emit_scissor,
 559                 nv10_emit_shade_model,
 560                 nv10_emit_stencil_func,
 561                 nv10_emit_stencil_mask,
 562                 nv10_emit_stencil_op,
 563                 nv20_emit_tex_env,
 564                 nv20_emit_tex_env,
 565                 nv20_emit_tex_env,
 566                 nv20_emit_tex_env,
 567                 nv20_emit_tex_gen,
 568                 nv20_emit_tex_gen,
 569                 nv20_emit_tex_gen,
 570                 nv20_emit_tex_gen,
 571                 nv20_emit_tex_mat,
 572                 nv20_emit_tex_mat,
 573                 nv20_emit_tex_mat,
 574                 nv20_emit_tex_mat,
 575                 nv20_emit_tex_obj,
 576                 nv20_emit_tex_obj,
 577                 nv20_emit_tex_obj,
 578                 nv20_emit_tex_obj,
 579                 nv20_emit_viewport,
 580                 nv20_emit_tex_shader
 581         },
 582         .num_emit = NUM_NV20_STATE,
 583 };