git.oblomov.eu Git - nouveau/blob - src/nv40_exa.c

   1 /*
   2  * Copyright 2007 Ben Skeggs
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #include "nv_include.h"
  24 #include "nv30_shaders.h"
  25
  26 typedef struct nv_pict_surface_format {
  27         int      pict_fmt;
  28         uint32_t card_fmt;
  29 } nv_pict_surface_format_t;
  30
  31 typedef struct nv_pict_texture_format {
  32         int      pict_fmt;
  33         uint32_t card_fmt;
  34         uint32_t card_swz;
  35 } nv_pict_texture_format_t;
  36
  37 typedef struct nv_pict_op {
  38         Bool     src_alpha;
  39         Bool     dst_alpha;
  40         uint32_t src_card_op;
  41         uint32_t dst_card_op;
  42 } nv_pict_op_t;
  43
  44 typedef struct nv40_exa_state {
  45         Bool have_mask;
  46
  47         struct {
  48                 PictTransformPtr transform;
  49                 float width;
  50                 float height;
  51         } unit[2];
  52 } nv40_exa_state_t;
  53 static nv40_exa_state_t exa_state;
  54 #define NV40EXA_STATE nv40_exa_state_t *state = &exa_state
  55
  56 static nv_pict_surface_format_t
  57 NV40SurfaceFormat[] = {
  58         { PICT_a8r8g8b8 , NV40TCL_RT_FORMAT_COLOR_A8R8G8B8 },
  59         { PICT_x8r8g8b8 , NV40TCL_RT_FORMAT_COLOR_X8R8G8B8 },
  60         { PICT_r5g6b5   , NV40TCL_RT_FORMAT_COLOR_R5G6B5   },
  61         { PICT_a8       , NV40TCL_RT_FORMAT_COLOR_B8       },
  62         { -1, ~0 }
  63 };
  64
  65 static nv_pict_surface_format_t *
  66 NV40_GetPictSurfaceFormat(int format)
  67 {
  68         int i = 0;
  69
  70         while (NV40SurfaceFormat[i].pict_fmt != -1) {
  71                 if (NV40SurfaceFormat[i].pict_fmt == format)
  72                         return &NV40SurfaceFormat[i];
  73                 i++;
  74         }
  75
  76         return NULL;
  77 }
  78
  79 enum {
  80         NV40EXA_FPID_PASS_COL0 = 0,
  81         NV40EXA_FPID_PASS_TEX0 = 1,
  82         NV40EXA_FPID_COMPOSITE_MASK = 2,
  83         NV40EXA_FPID_COMPOSITE_MASK_SA_CA = 3,
  84         NV40EXA_FPID_COMPOSITE_MASK_CA = 4,
  85         NV40EXA_FPID_MAX = 5
  86 } NV40EXA_FPID;
  87
  88 static nv_shader_t *nv40_fp_map[NV40EXA_FPID_MAX] = {
  89         &nv30_fp_pass_col0,
  90         &nv30_fp_pass_tex0,
  91         &nv30_fp_composite_mask,
  92         &nv30_fp_composite_mask_sa_ca,
  93         &nv30_fp_composite_mask_ca
  94 };
  95
  96 static nv_shader_t *nv40_fp_map_a8[NV40EXA_FPID_MAX];
  97
  98 static void
  99 NV40EXAHackupA8Shaders(ScrnInfoPtr pScrn)
 100 {
 101         int s;
 102
 103         for (s = 0; s < NV40EXA_FPID_MAX; s++) {
 104                 nv_shader_t *def, *a8;
 105
 106                 def = nv40_fp_map[s];
 107                 a8 = xcalloc(1, sizeof(nv_shader_t));
 108                 a8->card_priv.NV30FP.num_regs = def->card_priv.NV30FP.num_regs;
 109                 a8->size = def->size + 4;
 110                 memcpy(a8->data, def->data, def->size * sizeof(uint32_t));
 111                 nv40_fp_map_a8[s] = a8;
 112
 113                 a8->data[a8->size - 8 + 0] &= ~0x00000081;
 114                 a8->data[a8->size - 4 + 0]  = 0x01401e81;
 115                 a8->data[a8->size - 4 + 1]  = 0x1c9dfe00;
 116                 a8->data[a8->size - 4 + 2]  = 0x0001c800;
 117                 a8->data[a8->size - 4 + 3]  = 0x0001c800;
 118         }
 119 }
 120
 121 #define _(r,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w)                        \
 122   {                                                                            \
 123   PICT_##r, NV40TCL_TEX_FORMAT_FORMAT_##tf,                                    \
 124   NV40TCL_TEX_SWIZZLE_S0_X_##ts0x | NV40TCL_TEX_SWIZZLE_S0_Y_##ts0y |          \
 125   NV40TCL_TEX_SWIZZLE_S0_Z_##ts0z | NV40TCL_TEX_SWIZZLE_S0_W_##ts0w |          \
 126   NV40TCL_TEX_SWIZZLE_S1_X_##ts1x | NV40TCL_TEX_SWIZZLE_S1_Y_##ts1y |          \
 127   NV40TCL_TEX_SWIZZLE_S1_Z_##ts1z | NV40TCL_TEX_SWIZZLE_S1_W_##ts1w,           \
 128   }
 129 static nv_pict_texture_format_t
 130 NV40TextureFormat[] = {
 131         _(a8r8g8b8, A8R8G8B8,   S1,   S1,   S1,   S1, X, Y, Z, W),
 132         _(x8r8g8b8, A8R8G8B8,   S1,   S1,   S1,  ONE, X, Y, Z, W),
 133         _(x8b8g8r8, A8R8G8B8,   S1,   S1,   S1,  ONE, Z, Y, X, W),
 134         _(a1r5g5b5, A1R5G5B5,   S1,   S1,   S1,   S1, X, Y, Z, W),
 135         _(x1r5g5b5, A1R5G5B5,   S1,   S1,   S1,  ONE, X, Y, Z, W),
 136         _(  r5g6b5,   R5G6B5,   S1,   S1,   S1,   S1, X, Y, Z, W),
 137         _(      a8,       L8, ZERO, ZERO, ZERO,   S1, X, X, X, X),
 138         { -1, ~0, ~0 }
 139 };
 140 #undef _
 141
 142 static nv_pict_texture_format_t *
 143 NV40_GetPictTextureFormat(int format)
 144 {
 145         int i = 0;
 146
 147         while (NV40TextureFormat[i].pict_fmt != -1) {
 148                 if (NV40TextureFormat[i].pict_fmt == format)
 149                         return &NV40TextureFormat[i];
 150                 i++;
 151         }
 152
 153         return NULL;
 154 }
 155
 156 #define SF(bf) (NV40TCL_BLEND_FUNC_SRC_RGB_##bf |                              \
 157                 NV40TCL_BLEND_FUNC_SRC_ALPHA_##bf)
 158 #define DF(bf) (NV40TCL_BLEND_FUNC_DST_RGB_##bf |                              \
 159                 NV40TCL_BLEND_FUNC_DST_ALPHA_##bf)
 160 static nv_pict_op_t
 161 NV40PictOp[] = {
 162 /* Clear       */ { 0, 0, SF(               ZERO), DF(               ZERO) },
 163 /* Src         */ { 0, 0, SF(                ONE), DF(               ZERO) },
 164 /* Dst         */ { 0, 0, SF(               ZERO), DF(                ONE) },
 165 /* Over        */ { 1, 0, SF(                ONE), DF(ONE_MINUS_SRC_ALPHA) },
 166 /* OverReverse */ { 0, 1, SF(ONE_MINUS_DST_ALPHA), DF(                ONE) },
 167 /* In          */ { 0, 1, SF(          DST_ALPHA), DF(               ZERO) },
 168 /* InReverse   */ { 1, 0, SF(               ZERO), DF(          SRC_ALPHA) },
 169 /* Out         */ { 0, 1, SF(ONE_MINUS_DST_ALPHA), DF(               ZERO) },
 170 /* OutReverse  */ { 1, 0, SF(               ZERO), DF(ONE_MINUS_SRC_ALPHA) },
 171 /* Atop        */ { 1, 1, SF(          DST_ALPHA), DF(ONE_MINUS_SRC_ALPHA) },
 172 /* AtopReverse */ { 1, 1, SF(ONE_MINUS_DST_ALPHA), DF(          SRC_ALPHA) },
 173 /* Xor         */ { 1, 1, SF(ONE_MINUS_DST_ALPHA), DF(ONE_MINUS_SRC_ALPHA) },
 174 /* Add         */ { 0, 0, SF(                ONE), DF(                ONE) }
 175 };
 176
 177 static nv_pict_op_t *
 178 NV40_GetPictOpRec(int op)
 179 {
 180         if (op >= PictOpSaturate)
 181                 return NULL;
 182         return &NV40PictOp[op];
 183 }
 184
 185 static void
 186 NV40_SetupBlend(ScrnInfoPtr pScrn, nv_pict_op_t *blend,
 187                 PictFormatShort dest_format, Bool component_alpha)
 188 {
 189         NVPtr pNv = NVPTR(pScrn);
 190         struct nouveau_channel *chan = pNv->chan;
 191         struct nouveau_grobj *curie = pNv->Nv3D;
 192         uint32_t sblend, dblend;
 193
 194         sblend = blend->src_card_op;
 195         dblend = blend->dst_card_op;
 196
 197         if (blend->dst_alpha) {
 198                 if (!PICT_FORMAT_A(dest_format)) {
 199                         if (sblend == SF(DST_ALPHA)) {
 200                                 sblend = SF(ONE);
 201                         } else if (sblend == SF(ONE_MINUS_DST_ALPHA)) {
 202                                 sblend = SF(ZERO);
 203                         }
 204                 } else if (dest_format == PICT_a8) {
 205                         if (sblend == SF(DST_ALPHA)) {
 206                                 sblend = SF(DST_COLOR);
 207                         } else if (sblend == SF(ONE_MINUS_DST_ALPHA)) {
 208                                 sblend = SF(ONE_MINUS_DST_COLOR);
 209                         }
 210                 }
 211         }
 212
 213         if (blend->src_alpha && (component_alpha || dest_format == PICT_a8)) {
 214                 if (dblend == DF(SRC_ALPHA)) {
 215                         dblend = DF(SRC_COLOR);
 216                 } else if (dblend == DF(ONE_MINUS_SRC_ALPHA)) {
 217                         dblend = DF(ONE_MINUS_SRC_COLOR);
 218                 }
 219         }
 220
 221         if (sblend == SF(ONE) && dblend == DF(ZERO)) {
 222                 BEGIN_RING(chan, curie, NV40TCL_BLEND_ENABLE, 1);
 223                 OUT_RING  (chan, 0);
 224         } else {
 225                 BEGIN_RING(chan, curie, NV40TCL_BLEND_ENABLE, 5);
 226                 OUT_RING  (chan, 1);
 227                 OUT_RING  (chan, sblend);
 228                 OUT_RING  (chan, dblend);
 229                 OUT_RING  (chan, 0x00000000);
 230                 OUT_RING  (chan, NV40TCL_BLEND_EQUATION_ALPHA_FUNC_ADD |
 231                            NV40TCL_BLEND_EQUATION_RGB_FUNC_ADD);
 232         }
 233 }
 234
 235 static Bool
 236 NV40EXATexture(ScrnInfoPtr pScrn, PixmapPtr pPix, PicturePtr pPict, int unit)
 237 {
 238         NVPtr pNv = NVPTR(pScrn);
 239         struct nouveau_channel *chan = pNv->chan;
 240         struct nouveau_grobj *curie = pNv->Nv3D;
 241         nv_pict_texture_format_t *fmt;
 242         NV40EXA_STATE;
 243
 244         fmt = NV40_GetPictTextureFormat(pPict->format);
 245         if (!fmt)
 246                 return FALSE;
 247
 248         BEGIN_RING(chan, curie, NV40TCL_TEX_OFFSET(unit), 8);
 249         OUT_PIXMAPl(chan, pPix, 0,
 250                           NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD);
 251         OUT_PIXMAPd(chan, pPix, fmt->card_fmt | NV40TCL_TEX_FORMAT_LINEAR |
 252                           NV40TCL_TEX_FORMAT_DIMS_2D | 0x8000 |
 253                           NV40TCL_TEX_FORMAT_NO_BORDER |
 254                           (1 << NV40TCL_TEX_FORMAT_MIPMAP_COUNT_SHIFT),
 255                           NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD,
 256                           NV40TCL_TEX_FORMAT_DMA0, NV40TCL_TEX_FORMAT_DMA1);
 257         if (pPict->repeat) {
 258                 switch(pPict->repeatType) {
 259                 case RepeatPad:
 260                         OUT_RING  (chan, NV40TCL_TEX_WRAP_S_CLAMP |
 261                                          NV40TCL_TEX_WRAP_T_CLAMP |
 262                                          NV40TCL_TEX_WRAP_R_CLAMP);
 263                         break;
 264                 case RepeatReflect:
 265                         OUT_RING  (chan, NV40TCL_TEX_WRAP_S_MIRRORED_REPEAT |
 266                                          NV40TCL_TEX_WRAP_T_MIRRORED_REPEAT |
 267                                          NV40TCL_TEX_WRAP_R_MIRRORED_REPEAT);
 268                         break;
 269                 case RepeatNormal:
 270                 default:
 271                         OUT_RING  (chan, NV40TCL_TEX_WRAP_S_REPEAT |
 272                                          NV40TCL_TEX_WRAP_T_REPEAT |
 273                                          NV40TCL_TEX_WRAP_R_REPEAT);
 274                         break;
 275                 }
 276         } else {
 277                 OUT_RING  (chan, NV40TCL_TEX_WRAP_S_CLAMP_TO_BORDER |
 278                                  NV40TCL_TEX_WRAP_T_CLAMP_TO_BORDER |
 279                                  NV40TCL_TEX_WRAP_R_CLAMP_TO_BORDER);
 280         }
 281         OUT_RING  (chan, NV40TCL_TEX_ENABLE_ENABLE);
 282         OUT_RING  (chan, fmt->card_swz);
 283         if (pPict->filter == PictFilterBilinear) {
 284                 OUT_RING  (chan, NV40TCL_TEX_FILTER_MIN_LINEAR |
 285                                  NV40TCL_TEX_FILTER_MAG_LINEAR | 0x3fd6);
 286         } else {
 287                 OUT_RING  (chan, NV40TCL_TEX_FILTER_MIN_NEAREST |
 288                                  NV40TCL_TEX_FILTER_MAG_NEAREST | 0x3fd6);
 289         }
 290         OUT_RING  (chan, (pPix->drawable.width << 16) | pPix->drawable.height);
 291         OUT_RING  (chan, 0); /* border ARGB */
 292         BEGIN_RING(chan, curie, NV40TCL_TEX_SIZE1(unit), 1);
 293         OUT_RING  (chan, (1 << NV40TCL_TEX_SIZE1_DEPTH_SHIFT) |
 294                          (uint32_t)exaGetPixmapPitch(pPix));
 295
 296         state->unit[unit].width         = (float)pPix->drawable.width;
 297         state->unit[unit].height        = (float)pPix->drawable.height;
 298         state->unit[unit].transform     = pPict->transform;
 299         return TRUE;
 300 }
 301
 302 static Bool
 303 NV40_SetupSurface(ScrnInfoPtr pScrn, PixmapPtr pPix, PictFormatShort format)
 304 {
 305         NVPtr pNv = NVPTR(pScrn);
 306         struct nouveau_channel *chan = pNv->chan;
 307         struct nouveau_grobj *curie = pNv->Nv3D;
 308         nv_pict_surface_format_t *fmt;
 309
 310         fmt = NV40_GetPictSurfaceFormat(format);
 311         if (!fmt) {
 312                 ErrorF("AIII no format\n");
 313                 return FALSE;
 314         }
 315
 316         BEGIN_RING(chan, curie, NV40TCL_RT_FORMAT, 3);
 317         OUT_RING  (chan, NV40TCL_RT_FORMAT_TYPE_LINEAR |
 318                    NV40TCL_RT_FORMAT_ZETA_Z24S8 |
 319                    fmt->card_fmt);
 320         OUT_RING  (chan, exaGetPixmapPitch(pPix));
 321         OUT_PIXMAPl(chan, pPix, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 322
 323         return TRUE;
 324 }
 325
 326 static Bool
 327 NV40EXACheckCompositeTexture(PicturePtr pPict)
 328 {
 329         nv_pict_texture_format_t *fmt;
 330         int w = pPict->pDrawable->width;
 331         int h = pPict->pDrawable->height;
 332
 333         if ((w > 4096) || (h > 4096))
 334                 NOUVEAU_FALLBACK("picture too large, %dx%d\n", w, h);
 335
 336         fmt = NV40_GetPictTextureFormat(pPict->format);
 337         if (!fmt)
 338                 NOUVEAU_FALLBACK("picture format 0x%08x not supported\n",
 339                                 pPict->format);
 340
 341         if (pPict->filter != PictFilterNearest &&
 342             pPict->filter != PictFilterBilinear)
 343                 NOUVEAU_FALLBACK("filter 0x%x not supported\n", pPict->filter);
 344
 345         return TRUE;
 346 }
 347
 348 Bool
 349 NV40EXACheckComposite(int op, PicturePtr psPict,
 350                               PicturePtr pmPict,
 351                               PicturePtr pdPict)
 352 {
 353         nv_pict_surface_format_t *fmt;
 354         nv_pict_op_t *opr;
 355
 356         opr = NV40_GetPictOpRec(op);
 357         if (!opr)
 358                 NOUVEAU_FALLBACK("unsupported blend op 0x%x\n", op);
 359
 360         fmt = NV40_GetPictSurfaceFormat(pdPict->format);
 361         if (!fmt)
 362                 NOUVEAU_FALLBACK("dst picture format 0x%08x not supported\n",
 363                                 pdPict->format);
 364
 365         if (!NV40EXACheckCompositeTexture(psPict))
 366                 NOUVEAU_FALLBACK("src picture\n");
 367         if (pmPict) {
 368                 if (pmPict->componentAlpha &&
 369                     PICT_FORMAT_RGB(pmPict->format) &&
 370                     opr->src_alpha && opr->src_card_op != SF(ZERO))
 371                         NOUVEAU_FALLBACK("mask CA + SA\n");
 372                 if (!NV40EXACheckCompositeTexture(pmPict))
 373                         NOUVEAU_FALLBACK("mask picture\n");
 374         }
 375
 376         return TRUE;
 377 }
 378
 379 Bool
 380 NV40EXAPrepareComposite(int op, PicturePtr psPict,
 381                                 PicturePtr pmPict,
 382                                 PicturePtr pdPict,
 383                                 PixmapPtr  psPix,
 384                                 PixmapPtr  pmPix,
 385                                 PixmapPtr  pdPix)
 386 {
 387         ScrnInfoPtr pScrn = xf86Screens[psPix->drawable.pScreen->myNum];
 388         NVPtr pNv = NVPTR(pScrn);
 389         struct nouveau_channel *chan = pNv->chan;
 390         struct nouveau_grobj *curie = pNv->Nv3D;
 391         nv_pict_op_t *blend;
 392         int fpid = NV40EXA_FPID_PASS_COL0;
 393         NV40EXA_STATE;
 394
 395         blend = NV40_GetPictOpRec(op);
 396
 397         NV40_SetupBlend(pScrn, blend, pdPict->format,
 398                         (pmPict && pmPict->componentAlpha &&
 399                          PICT_FORMAT_RGB(pmPict->format)));
 400
 401         NV40_SetupSurface(pScrn, pdPix, pdPict->format);
 402         NV40EXATexture(pScrn, psPix, psPict, 0);
 403
 404         NV40_LoadVtxProg(pScrn, &nv40_vp_exa_render);
 405         if (pmPict) {
 406                 NV40EXATexture(pScrn, pmPix, pmPict, 1);
 407
 408                 if (pmPict->componentAlpha && PICT_FORMAT_RGB(pmPict->format)) {
 409                         if (blend->src_alpha)
 410                                 fpid = NV40EXA_FPID_COMPOSITE_MASK_SA_CA;
 411                         else
 412                                 fpid = NV40EXA_FPID_COMPOSITE_MASK_CA;
 413                 } else {
 414                         fpid = NV40EXA_FPID_COMPOSITE_MASK;
 415                 }
 416
 417                 state->have_mask = TRUE;
 418         } else {
 419                 fpid = NV40EXA_FPID_PASS_TEX0;
 420
 421                 state->have_mask = FALSE;
 422         }
 423
 424         if (pdPict->format == PICT_a8)
 425                 NV40_LoadFragProg(pScrn, nv40_fp_map_a8[fpid]);
 426         else
 427                 NV40_LoadFragProg(pScrn, nv40_fp_map[fpid]);
 428
 429         /* Appears to be some kind of cache flush, needed here at least
 430          * sometimes.. funky text rendering otherwise :)
 431          */
 432         BEGIN_RING(chan, curie, NV40TCL_TEX_CACHE_CTL, 1);
 433         OUT_RING  (chan, 2);
 434         BEGIN_RING(chan, curie, NV40TCL_TEX_CACHE_CTL, 1);
 435         OUT_RING  (chan, 1);
 436
 437         BEGIN_RING(chan, curie, NV40TCL_BEGIN_END, 1);
 438         OUT_RING  (chan, NV40TCL_BEGIN_END_TRIANGLES);
 439
 440         return TRUE;
 441 }
 442
 443 #define xFixedToFloat(v) \
 444         ((float)xFixedToInt((v)) + ((float)xFixedFrac(v) / 65536.0))
 445
 446 static inline void
 447 NV40EXATransformCoord(PictTransformPtr t, int x, int y, float sx, float sy,
 448                                           float *x_ret, float *y_ret)
 449 {
 450         if (t) {
 451                 PictVector v;
 452                 v.vector[0] = IntToxFixed(x);
 453                 v.vector[1] = IntToxFixed(y);
 454                 v.vector[2] = xFixed1;
 455                 PictureTransformPoint(t, &v);
 456                 *x_ret = xFixedToFloat(v.vector[0]) / sx;
 457                 *y_ret = xFixedToFloat(v.vector[1]) / sy;
 458         } else {
 459                 *x_ret = (float)x / sx;
 460                 *y_ret = (float)y / sy;
 461         }
 462 }
 463
 464 #define CV_OUTm(sx,sy,mx,my,dx,dy) do {                                        \
 465         BEGIN_RING(chan, curie, NV40TCL_VTX_ATTR_2F_X(8), 4);                  \
 466         OUT_RINGf (chan, (sx)); OUT_RINGf (chan, (sy));                        \
 467         OUT_RINGf (chan, (mx)); OUT_RINGf (chan, (my));                        \
 468         BEGIN_RING(chan, curie, NV40TCL_VTX_ATTR_2I(0), 1);                    \
 469         OUT_RING  (chan, ((dy)<<16)|(dx));                                     \
 470 } while(0)
 471 #define CV_OUT(sx,sy,dx,dy) do {                                               \
 472         BEGIN_RING(chan, curie, NV40TCL_VTX_ATTR_2F_X(8), 2);                  \
 473         OUT_RINGf (chan, (sx)); OUT_RINGf (chan, (sy));                        \
 474         BEGIN_RING(chan, curie, NV40TCL_VTX_ATTR_2I(0), 1);                    \
 475         OUT_RING  (chan, ((dy)<<16)|(dx));                                     \
 476 } while(0)
 477
 478 void
 479 NV40EXAComposite(PixmapPtr pdPix, int srcX , int srcY,
 480                                   int maskX, int maskY,
 481                                   int dstX , int dstY,
 482                                   int width, int height)
 483 {
 484         ScrnInfoPtr pScrn = xf86Screens[pdPix->drawable.pScreen->myNum];
 485         NVPtr pNv = NVPTR(pScrn);
 486         struct nouveau_channel *chan = pNv->chan;
 487         struct nouveau_grobj *curie = pNv->Nv3D;
 488         float sX0, sX1, sX2, sY0, sY1, sY2;
 489         float mX0, mX1, mX2, mY0, mY1, mY2;
 490         NV40EXA_STATE;
 491
 492         /* We're drawing a triangle, we need to scissor it to a quad. */
 493         /* The scissors are here for a good reason, we don't get the full
 494          * image, but just a part.
 495          */
 496         /* Handling the cliprects is done for us already. */
 497         BEGIN_RING(chan, curie, NV40TCL_SCISSOR_HORIZ, 2);
 498         OUT_RING  (chan, (width << 16) | dstX);
 499         OUT_RING  (chan, (height << 16) | dstY);
 500
 501         NV40EXATransformCoord(state->unit[0].transform, srcX, srcY - height,
 502                               state->unit[0].width, state->unit[0].height,
 503                               &sX0, &sY0);
 504         NV40EXATransformCoord(state->unit[0].transform, srcX, srcY + height,
 505                               state->unit[0].width, state->unit[0].height,
 506                               &sX1, &sY1);
 507         NV40EXATransformCoord(state->unit[0].transform,
 508                               srcX + 2*width, srcY + height,
 509                               state->unit[0].width,
 510                               state->unit[0].height, &sX2, &sY2);
 511
 512         if (state->have_mask) {
 513                 NV40EXATransformCoord(state->unit[1].transform,
 514                                       maskX, maskY - height,
 515                                       state->unit[1].width,
 516                                       state->unit[1].height, &mX0, &mY0);
 517                 NV40EXATransformCoord(state->unit[1].transform,
 518                                       maskX, maskY + height,
 519                                       state->unit[1].width,
 520                                       state->unit[1].height, &mX1, &mY1);
 521                 NV40EXATransformCoord(state->unit[1].transform,
 522                                       maskX + 2*width, maskY + height,
 523                                       state->unit[1].width,
 524                                       state->unit[1].height, &mX2, &mY2);
 525
 526                 CV_OUTm(sX0, sY0, mX0, mY0, dstX, dstY - height);
 527                 CV_OUTm(sX1, sY1, mX1, mY1, dstX, dstY + height);
 528                 CV_OUTm(sX2, sY2, mX2, mY2, dstX + 2*width, dstY + height);
 529         } else {
 530                 CV_OUT(sX0, sY0, dstX, dstY - height);
 531                 CV_OUT(sX1, sY1, dstX, dstY + height);
 532                 CV_OUT(sX2, sY2, dstX + 2*width, dstY + height);
 533         }
 534 }
 535
 536 void
 537 NV40EXADoneComposite(PixmapPtr pdPix)
 538 {
 539         ScrnInfoPtr pScrn = xf86Screens[pdPix->drawable.pScreen->myNum];
 540         NVPtr pNv = NVPTR(pScrn);
 541         struct nouveau_channel *chan = pNv->chan;
 542         struct nouveau_grobj *curie = pNv->Nv3D;
 543
 544         BEGIN_RING(chan, curie, NV40TCL_BEGIN_END, 1);
 545         OUT_RING  (chan, NV40TCL_BEGIN_END_STOP);
 546
 547         FIRE_RING (chan);
 548 }
 549
 550 #define NV40TCL_CHIPSET_4X_MASK 0x00000baf
 551 #define NV44TCL_CHIPSET_4X_MASK 0x00005450
 552 Bool
 553 NVAccelInitNV40TCL(ScrnInfoPtr pScrn)
 554 {
 555         NVPtr pNv = NVPTR(pScrn);
 556         struct nouveau_channel *chan = pNv->chan;
 557         struct nouveau_grobj *curie;
 558         uint32_t class = 0, chipset;
 559         int i;
 560
 561         NV40EXAHackupA8Shaders(pScrn);
 562
 563         chipset = (nvReadMC(pNv, NV_PMC_BOOT_0) >> 20) & 0xff;
 564
 565         if ( (chipset & 0xf0) == NV_ARCH_40) {
 566                 chipset &= 0xf;
 567                 if (NV40TCL_CHIPSET_4X_MASK & (1<<chipset))
 568                         class = NV40TCL;
 569                 else if (NV44TCL_CHIPSET_4X_MASK & (1<<chipset))
 570                         class = NV44TCL;
 571                 else {
 572                         xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 573                                         "NV40EXA: Unknown chipset NV4%1x\n", chipset);
 574                         return FALSE;
 575                 }
 576         } else if ( (chipset & 0xf0) == 0x60) {
 577                 class = NV44TCL;
 578         } else
 579                 return TRUE;
 580
 581         if (!pNv->Nv3D) {
 582                 if (nouveau_grobj_alloc(pNv->chan, Nv3D, class, &pNv->Nv3D))
 583                         return FALSE;
 584         }
 585         curie = pNv->Nv3D;
 586
 587         BEGIN_RING(chan, curie, NV40TCL_DMA_NOTIFY, 1);
 588         OUT_RING  (chan, pNv->notify0->handle);
 589         BEGIN_RING(chan, curie, NV40TCL_DMA_TEXTURE0, 2);
 590         OUT_RING  (chan, pNv->chan->vram->handle);
 591         OUT_RING  (chan, pNv->chan->gart->handle);
 592         BEGIN_RING(chan, curie, NV40TCL_DMA_COLOR0, 2);
 593         OUT_RING  (chan, pNv->chan->vram->handle);
 594         OUT_RING  (chan, pNv->chan->vram->handle);
 595
 596         /* voodoo */
 597         BEGIN_RING(chan, curie, 0x1ea4, 3);
 598         OUT_RING  (chan, 0x00000010);
 599         OUT_RING  (chan, 0x01000100);
 600         OUT_RING  (chan, 0xff800006);
 601         BEGIN_RING(chan, curie, 0x1fc4, 1);
 602         OUT_RING  (chan, 0x06144321);
 603         BEGIN_RING(chan, curie, 0x1fc8, 2);
 604         OUT_RING  (chan, 0xedcba987);
 605         OUT_RING  (chan, 0x00000021);
 606         BEGIN_RING(chan, curie, 0x1fd0, 1);
 607         OUT_RING  (chan, 0x00171615);
 608         BEGIN_RING(chan, curie, 0x1fd4, 1);
 609         OUT_RING  (chan, 0x001b1a19);
 610         BEGIN_RING(chan, curie, 0x1ef8, 1);
 611         OUT_RING  (chan, 0x0020ffff);
 612         BEGIN_RING(chan, curie, 0x1d64, 1);
 613         OUT_RING  (chan, 0x00d30000);
 614         BEGIN_RING(chan, curie, 0x1e94, 1);
 615         OUT_RING  (chan, 0x00000001);
 616
 617         /* This removes the the stair shaped tearing that i get. */
 618         /* Verified on one G70 card that it doesn't cause regressions for people without the problem. */
 619         /* The blob sets this up by default for NV43. */
 620         BEGIN_RING(chan, curie, 0x1450, 1);
 621         OUT_RING  (chan, 0x0000000F);
 622
 623         BEGIN_RING(chan, curie, NV40TCL_VIEWPORT_TRANSLATE_X, 8);
 624         OUT_RINGf (chan, 0.0);
 625         OUT_RINGf (chan, 0.0);
 626         OUT_RINGf (chan, 0.0);
 627         OUT_RINGf (chan, 0.0);
 628         OUT_RINGf (chan, 1.0);
 629         OUT_RINGf (chan, 1.0);
 630         OUT_RINGf (chan, 1.0);
 631         OUT_RINGf (chan, 0.0);
 632
 633         /* default 3D state */
 634         /*XXX: replace with the same state that the DRI emits on startup */
 635         BEGIN_RING(chan, curie, NV40TCL_STENCIL_FRONT_ENABLE, 1);
 636         OUT_RING  (chan, 0);
 637         BEGIN_RING(chan, curie, NV40TCL_STENCIL_BACK_ENABLE, 1);
 638         OUT_RING  (chan, 0);
 639         BEGIN_RING(chan, curie, NV40TCL_ALPHA_TEST_ENABLE, 1);
 640         OUT_RING  (chan, 0);
 641         BEGIN_RING(chan, curie, NV40TCL_DEPTH_WRITE_ENABLE, 2);
 642         OUT_RING  (chan, 0);
 643         OUT_RING  (chan, 0);
 644         BEGIN_RING(chan, curie, NV40TCL_COLOR_MASK, 1);
 645         OUT_RING  (chan, 0x01010101); /* TR,TR,TR,TR */
 646         BEGIN_RING(chan, curie, NV40TCL_CULL_FACE_ENABLE, 1);
 647         OUT_RING  (chan, 0);
 648         BEGIN_RING(chan, curie, NV40TCL_BLEND_ENABLE, 1);
 649         OUT_RING  (chan, 0);
 650         BEGIN_RING(chan, curie, NV40TCL_COLOR_LOGIC_OP_ENABLE, 2);
 651         OUT_RING  (chan, 0);
 652         OUT_RING  (chan, NV40TCL_COLOR_LOGIC_OP_COPY);
 653         BEGIN_RING(chan, curie, NV40TCL_DITHER_ENABLE, 1);
 654         OUT_RING  (chan, 0);
 655         BEGIN_RING(chan, curie, NV40TCL_SHADE_MODEL, 1);
 656         OUT_RING  (chan, NV40TCL_SHADE_MODEL_SMOOTH);
 657         BEGIN_RING(chan, curie, NV40TCL_POLYGON_OFFSET_FACTOR,2);
 658         OUT_RINGf (chan, 0.0);
 659         OUT_RINGf (chan, 0.0);
 660         BEGIN_RING(chan, curie, NV40TCL_POLYGON_MODE_FRONT, 2);
 661         OUT_RING  (chan, NV40TCL_POLYGON_MODE_FRONT_FILL);
 662         OUT_RING  (chan, NV40TCL_POLYGON_MODE_BACK_FILL);
 663         BEGIN_RING(chan, curie, NV40TCL_POLYGON_STIPPLE_PATTERN(0), 0x20);
 664         for (i=0;i<0x20;i++)
 665                 OUT_RING  (chan, 0xFFFFFFFF);
 666         for (i=0;i<16;i++) {
 667                 BEGIN_RING(chan, curie, NV40TCL_TEX_ENABLE(i), 1);
 668                 OUT_RING  (chan, 0);
 669         }
 670
 671         BEGIN_RING(chan, curie, 0x1d78, 1);
 672         OUT_RING  (chan, 0x110);
 673
 674         BEGIN_RING(chan, curie, NV40TCL_RT_ENABLE, 1);
 675         OUT_RING  (chan, NV40TCL_RT_ENABLE_COLOR0);
 676
 677         BEGIN_RING(chan, curie, NV40TCL_RT_HORIZ, 2);
 678         OUT_RING  (chan, (4096 << 16));
 679         OUT_RING  (chan, (4096 << 16));
 680         BEGIN_RING(chan, curie, NV40TCL_SCISSOR_HORIZ, 2);
 681         OUT_RING  (chan, (4096 << 16));
 682         OUT_RING  (chan, (4096 << 16));
 683         BEGIN_RING(chan, curie, NV40TCL_VIEWPORT_HORIZ, 2);
 684         OUT_RING  (chan, (4096 << 16));
 685         OUT_RING  (chan, (4096 << 16));
 686         BEGIN_RING(chan, curie, NV40TCL_VIEWPORT_CLIP_HORIZ(0), 2);
 687         OUT_RING  (chan, (4095 << 16));
 688         OUT_RING  (chan, (4095 << 16));
 689
 690         return TRUE;
 691 }
 692