NV40: Preliminary Xv Texture Adaptor.
[nouveau] / 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 "nv_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 #if 0
186 #define FALLBACK(fmt,args...) do {                                      \
187         ErrorF("FALLBACK %s:%d> " fmt, __func__, __LINE__, ##args);     \
188         return FALSE;                                                   \
189 } while(0)
190 #else
191 #define FALLBACK(fmt,args...) do { \
192         return FALSE;              \
193 } while(0)
194 #endif
195
196 static void
197 NV40_SetupBlend(ScrnInfoPtr pScrn, nv_pict_op_t *blend,
198                 PictFormatShort dest_format, Bool component_alpha)
199 {
200         NVPtr pNv = NVPTR(pScrn);
201         uint32_t sblend, dblend;
202
203         sblend = blend->src_card_op;
204         dblend = blend->dst_card_op;
205
206         if (blend->dst_alpha) {
207                 if (!PICT_FORMAT_A(dest_format)) {
208                         if (sblend == SF(DST_ALPHA)) {
209                                 sblend = SF(ONE);
210                         } else if (sblend == SF(ONE_MINUS_DST_ALPHA)) {
211                                 sblend = SF(ZERO);
212                         }
213                 } else if (dest_format == PICT_a8) {
214                         if (sblend == SF(DST_ALPHA)) {
215                                 sblend = SF(DST_COLOR);
216                         } else if (sblend == SF(ONE_MINUS_DST_ALPHA)) {
217                                 sblend = SF(ONE_MINUS_DST_COLOR);
218                         }
219                 }
220         }
221
222         if (blend->src_alpha && (component_alpha || dest_format == PICT_a8)) {
223                 if (dblend == DF(SRC_ALPHA)) {
224                         dblend = DF(SRC_COLOR);
225                 } else if (dblend == DF(ONE_MINUS_SRC_ALPHA)) {
226                         dblend = DF(ONE_MINUS_SRC_COLOR);
227                 }
228         }
229
230         if (sblend == SF(ONE) && dblend == DF(ZERO)) {
231                 BEGIN_RING(Nv3D, NV40TCL_BLEND_ENABLE, 1);
232                 OUT_RING  (0);
233         } else {
234                 BEGIN_RING(Nv3D, NV40TCL_BLEND_ENABLE, 5);
235                 OUT_RING  (1);
236                 OUT_RING  (sblend);
237                 OUT_RING  (dblend);
238                 OUT_RING  (0x00000000);
239                 OUT_RING  (NV40TCL_BLEND_EQUATION_ALPHA_FUNC_ADD |
240                            NV40TCL_BLEND_EQUATION_RGB_FUNC_ADD);
241         }
242 }
243
244 static Bool
245 NV40EXATexture(ScrnInfoPtr pScrn, PixmapPtr pPix, PicturePtr pPict, int unit)
246 {
247         NVPtr pNv = NVPTR(pScrn);
248         nv_pict_texture_format_t *fmt;
249         NV40EXA_STATE;
250
251         fmt = NV40_GetPictTextureFormat(pPict->format);
252         if (!fmt)
253                 return FALSE;
254
255         BEGIN_RING(Nv3D, NV40TCL_TEX_OFFSET(unit), 8);
256         OUT_PIXMAPl(pPix, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD);
257         OUT_PIXMAPd(pPix, fmt->card_fmt | NV40TCL_TEX_FORMAT_LINEAR |
258                     NV40TCL_TEX_FORMAT_DIMS_2D | NV40TCL_TEX_FORMAT_NO_BORDER |
259                     (0x8000) | (1 << NV40TCL_TEX_FORMAT_MIPMAP_COUNT_SHIFT),
260                     NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD,
261                     NV40TCL_TEX_FORMAT_DMA0, NV40TCL_TEX_FORMAT_DMA1);
262         if (pPict->repeat) {
263                 switch(pPict->repeatType) {
264                         /* At the moment i do not know if we can support RepeatPad. */
265                         case RepeatReflect:
266                                 OUT_RING  (NV40TCL_TEX_WRAP_S_MIRRORED_REPEAT |
267                                 NV40TCL_TEX_WRAP_T_MIRRORED_REPEAT |
268                                 NV40TCL_TEX_WRAP_R_MIRRORED_REPEAT);
269                                 break;
270                         case RepeatNormal:
271                         default:
272                                 OUT_RING  (NV40TCL_TEX_WRAP_S_REPEAT |
273                                 NV40TCL_TEX_WRAP_T_REPEAT |
274                                 NV40TCL_TEX_WRAP_R_REPEAT);
275                                 break;
276                 }
277         } else {
278                 OUT_RING  (NV40TCL_TEX_WRAP_S_CLAMP_TO_BORDER |
279                                 NV40TCL_TEX_WRAP_T_CLAMP_TO_BORDER |
280                                 NV40TCL_TEX_WRAP_R_CLAMP_TO_BORDER);
281         }
282         OUT_RING  (NV40TCL_TEX_ENABLE_ENABLE);
283         OUT_RING  (fmt->card_swz);
284         if (pPict->filter == PictFilterBilinear) {
285                 OUT_RING  (NV40TCL_TEX_FILTER_MIN_LINEAR |
286                            NV40TCL_TEX_FILTER_MAG_LINEAR |
287                            0x3fd6);
288         } else {
289                 OUT_RING  (NV40TCL_TEX_FILTER_MIN_NEAREST |
290                            NV40TCL_TEX_FILTER_MAG_NEAREST |
291                            0x3fd6);
292         }
293         OUT_RING  ((pPix->drawable.width << 16) | pPix->drawable.height);
294         OUT_RING  (0); /* border ARGB */
295         BEGIN_RING(Nv3D, NV40TCL_TEX_SIZE1(unit), 1);
296         OUT_RING  ((1 << NV40TCL_TEX_SIZE1_DEPTH_SHIFT) |
297                    (uint32_t)exaGetPixmapPitch(pPix));
298
299         state->unit[unit].width         = (float)pPix->drawable.width;
300         state->unit[unit].height        = (float)pPix->drawable.height;
301         state->unit[unit].transform     = pPict->transform;
302
303         return TRUE;
304 }
305
306 static Bool
307 NV40_SetupSurface(ScrnInfoPtr pScrn, PixmapPtr pPix, PictFormatShort format)
308 {
309         NVPtr pNv = NVPTR(pScrn);
310         nv_pict_surface_format_t *fmt;
311
312         fmt = NV40_GetPictSurfaceFormat(format);
313         if (!fmt) {
314                 ErrorF("AIII no format\n");
315                 return FALSE;
316         }
317
318         BEGIN_RING(Nv3D, NV40TCL_RT_FORMAT, 3);
319         OUT_RING  (NV40TCL_RT_FORMAT_TYPE_LINEAR |
320                    NV40TCL_RT_FORMAT_ZETA_Z24S8 |
321                    fmt->card_fmt);
322         OUT_RING  (exaGetPixmapPitch(pPix));
323         OUT_PIXMAPl(pPix, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
324
325         return TRUE;
326 }
327
328 static Bool
329 NV40EXACheckCompositeTexture(PicturePtr pPict)
330 {
331         nv_pict_texture_format_t *fmt;
332         int w = pPict->pDrawable->width;
333         int h = pPict->pDrawable->height;
334
335         if ((w > 4096) || (h > 4096))
336                 FALLBACK("picture too large, %dx%d\n", w, h);
337
338         fmt = NV40_GetPictTextureFormat(pPict->format);
339         if (!fmt)
340                 FALLBACK("picture format 0x%08x not supported\n",
341                                 pPict->format);
342
343         if (pPict->filter != PictFilterNearest &&
344             pPict->filter != PictFilterBilinear)
345                 FALLBACK("filter 0x%x not supported\n", pPict->filter);
346
347         if (pPict->repeat && pPict->repeatType == RepeatPad)
348                 FALLBACK("repeat 0x%x not supported\n", pPict->repeatType);
349
350         return TRUE;
351 }
352
353 Bool
354 NV40EXACheckComposite(int op, PicturePtr psPict,
355                               PicturePtr pmPict,
356                               PicturePtr pdPict)
357 {
358         nv_pict_surface_format_t *fmt;
359         nv_pict_op_t *opr;
360
361         opr = NV40_GetPictOpRec(op);
362         if (!opr)
363                 FALLBACK("unsupported blend op 0x%x\n", op);
364
365         fmt = NV40_GetPictSurfaceFormat(pdPict->format);
366         if (!fmt)
367                 FALLBACK("dst picture format 0x%08x not supported\n",
368                                 pdPict->format);
369
370         if (!NV40EXACheckCompositeTexture(psPict))
371                 FALLBACK("src picture\n");
372         if (pmPict) {
373                 if (pmPict->componentAlpha && 
374                     PICT_FORMAT_RGB(pmPict->format) &&
375                     opr->src_alpha && opr->src_card_op != SF(ZERO))
376                         FALLBACK("mask CA + SA\n");
377                 if (!NV40EXACheckCompositeTexture(pmPict))
378                         FALLBACK("mask picture\n");
379         }
380
381         return TRUE;
382 }
383
384 Bool
385 NV40EXAPrepareComposite(int op, PicturePtr psPict,
386                                 PicturePtr pmPict,
387                                 PicturePtr pdPict,
388                                 PixmapPtr  psPix,
389                                 PixmapPtr  pmPix,
390                                 PixmapPtr  pdPix)
391 {
392         ScrnInfoPtr pScrn = xf86Screens[psPix->drawable.pScreen->myNum];
393         NVPtr pNv = NVPTR(pScrn);
394         nv_pict_op_t *blend;
395         int fpid = NV40EXA_FPID_PASS_COL0;
396         NV40EXA_STATE;
397
398         blend = NV40_GetPictOpRec(op);
399
400         NV40_SetupBlend(pScrn, blend, pdPict->format,
401                         (pmPict && pmPict->componentAlpha &&
402                          PICT_FORMAT_RGB(pmPict->format)));
403
404         NV40_SetupSurface(pScrn, pdPix, pdPict->format);
405         NV40EXATexture(pScrn, psPix, psPict, 0);
406
407         NV40_LoadVtxProg(pScrn, &nv40_vp_exa_render);
408         if (pmPict) {
409                 NV40EXATexture(pScrn, pmPix, pmPict, 1);
410
411                 if (pmPict->componentAlpha && PICT_FORMAT_RGB(pmPict->format)) {
412                         if (blend->src_alpha)
413                                 fpid = NV40EXA_FPID_COMPOSITE_MASK_SA_CA;
414                         else
415                                 fpid = NV40EXA_FPID_COMPOSITE_MASK_CA;
416                 } else {
417                         fpid = NV40EXA_FPID_COMPOSITE_MASK;
418                 }
419
420                 state->have_mask = TRUE;
421         } else {
422                 fpid = NV40EXA_FPID_PASS_TEX0;
423
424                 state->have_mask = FALSE;
425         }
426
427         if (pdPict->format == PICT_a8)
428                 NV40_LoadFragProg(pScrn, nv40_fp_map_a8[fpid]);
429         else
430                 NV40_LoadFragProg(pScrn, nv40_fp_map[fpid]);
431
432         /* Appears to be some kind of cache flush, needed here at least
433          * sometimes.. funky text rendering otherwise :)
434          */
435         BEGIN_RING(Nv3D, NV40TCL_TEX_CACHE_CTL, 1);
436         OUT_RING  (2);
437         BEGIN_RING(Nv3D, NV40TCL_TEX_CACHE_CTL, 1);
438         OUT_RING  (1);
439
440         BEGIN_RING(Nv3D, NV40TCL_BEGIN_END, 1);
441         OUT_RING  (NV40TCL_BEGIN_END_QUADS);
442
443         return TRUE;
444 }
445
446 #define xFixedToFloat(v) \
447         ((float)xFixedToInt((v)) + ((float)xFixedFrac(v) / 65536.0))
448
449 static inline void
450 NV40EXATransformCoord(PictTransformPtr t, int x, int y, float sx, float sy,
451                                           float *x_ret, float *y_ret)
452 {
453         if (t) {
454                 PictVector v;
455                 v.vector[0] = IntToxFixed(x);
456                 v.vector[1] = IntToxFixed(y);
457                 v.vector[2] = xFixed1;
458                 PictureTransformPoint(t, &v);
459                 *x_ret = xFixedToFloat(v.vector[0]) / sx;
460                 *y_ret = xFixedToFloat(v.vector[1]) / sy;
461         } else {
462                 *x_ret = (float)x / sx;
463                 *y_ret = (float)y / sy;
464         }
465 }
466
467 #define CV_OUTm(sx,sy,mx,my,dx,dy) do {                                        \
468         BEGIN_RING(Nv3D, NV40TCL_VTX_ATTR_2F_X(8), 4);                         \
469         OUT_RINGf ((sx)); OUT_RINGf ((sy));                                    \
470         OUT_RINGf ((mx)); OUT_RINGf ((my));                                    \
471         BEGIN_RING(Nv3D, NV40TCL_VTX_ATTR_2I(0), 1);                           \
472         OUT_RING  (((dy)<<16)|(dx));                                           \
473 } while(0)
474 #define CV_OUT(sx,sy,dx,dy) do {                                               \
475         BEGIN_RING(Nv3D, NV40TCL_VTX_ATTR_2F_X(8), 2);                         \
476         OUT_RINGf ((sx)); OUT_RINGf ((sy));                                    \
477         BEGIN_RING(Nv3D, NV40TCL_VTX_ATTR_2I(0), 1);                           \
478         OUT_RING  (((dy)<<16)|(dx));                                           \
479 } while(0)
480
481 void
482 NV40EXAComposite(PixmapPtr pdPix, int srcX , int srcY,
483                                   int maskX, int maskY,
484                                   int dstX , int dstY,
485                                   int width, int height)
486 {
487         ScrnInfoPtr pScrn = xf86Screens[pdPix->drawable.pScreen->myNum];
488         NVPtr pNv = NVPTR(pScrn);
489         float sX0, sX1, sX2, sY0, sY1, sY2, sX3, sY3;
490         float mX0, mX1, mX2, mY0, mY1, mY2, mX3, mY3;
491         NV40EXA_STATE;
492
493         NV40EXATransformCoord(state->unit[0].transform, srcX, srcY,
494                               state->unit[0].width,
495                               state->unit[0].height, &sX0, &sY0);
496         NV40EXATransformCoord(state->unit[0].transform,
497                               srcX + width, srcY,
498                               state->unit[0].width,
499                               state->unit[0].height, &sX1, &sY1);
500         NV40EXATransformCoord(state->unit[0].transform,
501                               srcX + width, srcY + height,
502                               state->unit[0].width,
503                               state->unit[0].height, &sX2, &sY2);
504         NV40EXATransformCoord(state->unit[0].transform,
505                               srcX, srcY + height,
506                               state->unit[0].width,
507                               state->unit[0].height, &sX3, &sY3);
508
509         if (state->have_mask) {
510                 NV40EXATransformCoord(state->unit[1].transform, maskX, maskY,
511                                       state->unit[1].width,
512                                       state->unit[1].height, &mX0, &mY0);
513                 NV40EXATransformCoord(state->unit[1].transform,
514                                       maskX + width, maskY,
515                                       state->unit[1].width,
516                                       state->unit[1].height, &mX1, &mY1);
517                 NV40EXATransformCoord(state->unit[1].transform,
518                                       maskX + width, maskY + height,
519                                       state->unit[1].width,
520                                       state->unit[1].height, &mX2, &mY2);
521                 NV40EXATransformCoord(state->unit[1].transform,
522                                       maskX, maskY + height,
523                                       state->unit[1].width,
524                                       state->unit[1].height, &mX3, &mY3);
525
526                 CV_OUTm(sX0 , sY0 , mX0, mY0, dstX        ,          dstY);
527                 CV_OUTm(sX1 , sY1 , mX1, mY1, dstX + width,          dstY);
528                 CV_OUTm(sX2 , sY2 , mX2, mY2, dstX + width, dstY + height);
529                 CV_OUTm(sX3 , sY3 , mX3, mY3, dstX        , dstY + height);
530         } else {
531                 CV_OUT(sX0 , sY0 , dstX        ,          dstY);
532                 CV_OUT(sX1 , sY1 , dstX + width,          dstY);
533                 CV_OUT(sX2 , sY2 , dstX + width, dstY + height);
534                 CV_OUT(sX3 , sY3 , dstX        , dstY + height);
535         }
536
537         FIRE_RING();
538 }
539
540 void
541 NV40EXADoneComposite(PixmapPtr pdPix)
542 {
543         ScrnInfoPtr pScrn = xf86Screens[pdPix->drawable.pScreen->myNum];
544         NVPtr pNv = NVPTR(pScrn);
545
546         BEGIN_RING(Nv3D, NV40TCL_BEGIN_END, 1);
547         OUT_RING  (NV40TCL_BEGIN_END_STOP);
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         uint32_t class = 0, chipset;
557         int i;
558
559         NV40EXAHackupA8Shaders(pScrn);
560
561         chipset = (nvReadMC(pNv, 0) >> 20) & 0xff;
562         if ((chipset & 0xf0) != NV_ARCH_40)
563                 return TRUE;
564         chipset &= 0xf;
565
566         if (NV40TCL_CHIPSET_4X_MASK & (1<<chipset))
567                 class = NV40TCL;
568         else if (NV44TCL_CHIPSET_4X_MASK & (1<<chipset))
569                 class = NV44TCL;
570         else {
571                 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
572                            "NV40EXA: Unknown chipset NV4%1x\n", chipset);
573                 return FALSE;
574         }
575
576         if (!pNv->Nv3D) {
577                 if (nouveau_grobj_alloc(pNv->chan, Nv3D, class, &pNv->Nv3D))
578                         return FALSE;
579         }
580
581         BEGIN_RING(Nv3D, NV40TCL_DMA_NOTIFY, 1);
582         OUT_RING  (pNv->notify0->handle);
583         BEGIN_RING(Nv3D, NV40TCL_DMA_TEXTURE0, 2);
584         OUT_RING  (pNv->chan->vram->handle);
585         OUT_RING  (pNv->chan->gart->handle);
586         BEGIN_RING(Nv3D, NV40TCL_DMA_COLOR0, 2);
587         OUT_RING  (pNv->chan->vram->handle);
588         OUT_RING  (pNv->chan->vram->handle);
589
590         /* voodoo */
591         BEGIN_RING(Nv3D, 0x1ea4, 3);
592         OUT_RING  (0x00000010);
593         OUT_RING  (0x01000100);
594         OUT_RING  (0xff800006);
595         BEGIN_RING(Nv3D, 0x1fc4, 1);
596         OUT_RING  (0x06144321);
597         BEGIN_RING(Nv3D, 0x1fc8, 2);
598         OUT_RING  (0xedcba987);
599         OUT_RING  (0x00000021);
600         BEGIN_RING(Nv3D, 0x1fd0, 1);
601         OUT_RING  (0x00171615);
602         BEGIN_RING(Nv3D, 0x1fd4, 1);
603         OUT_RING  (0x001b1a19);
604         BEGIN_RING(Nv3D, 0x1ef8, 1);
605         OUT_RING  (0x0020ffff);
606         BEGIN_RING(Nv3D, 0x1d64, 1);
607         OUT_RING  (0x00d30000);
608         BEGIN_RING(Nv3D, 0x1e94, 1);
609         OUT_RING  (0x00000001);
610
611         BEGIN_RING(Nv3D, NV40TCL_VIEWPORT_TRANSLATE_X, 8);
612         OUT_RINGf (0.0);
613         OUT_RINGf (0.0);
614         OUT_RINGf (0.0);
615         OUT_RINGf (0.0);
616         OUT_RINGf (1.0);
617         OUT_RINGf (1.0);
618         OUT_RINGf (1.0);
619         OUT_RINGf (0.0);
620
621         /* default 3D state */
622         /*XXX: replace with the same state that the DRI emits on startup */
623         BEGIN_RING(Nv3D, NV40TCL_STENCIL_FRONT_ENABLE, 1);
624         OUT_RING  (0);
625         BEGIN_RING(Nv3D, NV40TCL_STENCIL_BACK_ENABLE, 1);
626         OUT_RING  (0);
627         BEGIN_RING(Nv3D, NV40TCL_ALPHA_TEST_ENABLE, 1);
628         OUT_RING  (0);
629         BEGIN_RING(Nv3D, NV40TCL_DEPTH_WRITE_ENABLE, 2);
630         OUT_RING  (0);
631         OUT_RING  (0); 
632         BEGIN_RING(Nv3D, NV40TCL_COLOR_MASK, 1);
633         OUT_RING  (0x01010101); /* TR,TR,TR,TR */
634         BEGIN_RING(Nv3D, NV40TCL_CULL_FACE_ENABLE, 1);
635         OUT_RING  (0);
636         BEGIN_RING(Nv3D, NV40TCL_BLEND_ENABLE, 1);
637         OUT_RING  (0);
638         BEGIN_RING(Nv3D, NV40TCL_COLOR_LOGIC_OP_ENABLE, 2);
639         OUT_RING  (0);
640         OUT_RING  (NV40TCL_COLOR_LOGIC_OP_COPY);
641         BEGIN_RING(Nv3D, NV40TCL_DITHER_ENABLE, 1);
642         OUT_RING  (0);
643         BEGIN_RING(Nv3D, NV40TCL_SHADE_MODEL, 1);
644         OUT_RING  (NV40TCL_SHADE_MODEL_SMOOTH);
645         BEGIN_RING(Nv3D, NV40TCL_POLYGON_OFFSET_FACTOR,2);
646         OUT_RINGf (0.0);
647         OUT_RINGf (0.0);
648         BEGIN_RING(Nv3D, NV40TCL_POLYGON_MODE_FRONT, 2);
649         OUT_RING  (NV40TCL_POLYGON_MODE_FRONT_FILL);
650         OUT_RING  (NV40TCL_POLYGON_MODE_BACK_FILL);
651         BEGIN_RING(Nv3D, NV40TCL_POLYGON_STIPPLE_PATTERN(0), 0x20);
652         for (i=0;i<0x20;i++)
653                 OUT_RING  (0xFFFFFFFF);
654         for (i=0;i<16;i++) {
655                 BEGIN_RING(Nv3D, NV40TCL_TEX_ENABLE(i), 1);
656                 OUT_RING  (0);
657         }
658
659         BEGIN_RING(Nv3D, 0x1d78, 1);
660         OUT_RING  (0x110);
661
662         BEGIN_RING(Nv3D, NV40TCL_RT_ENABLE, 1);
663         OUT_RING  (NV40TCL_RT_ENABLE_COLOR0);
664
665         BEGIN_RING(Nv3D, NV40TCL_RT_HORIZ, 2);
666         OUT_RING  ((4096 << 16));
667         OUT_RING  ((4096 << 16));
668         BEGIN_RING(Nv3D, NV40TCL_SCISSOR_HORIZ, 2);
669         OUT_RING  ((4096 << 16));
670         OUT_RING  ((4096 << 16));
671         BEGIN_RING(Nv3D, NV40TCL_VIEWPORT_HORIZ, 2);
672         OUT_RING  ((4096 << 16));
673         OUT_RING  ((4096 << 16));
674         BEGIN_RING(Nv3D, NV40TCL_VIEWPORT_CLIP_HORIZ(0), 2);
675         OUT_RING  ((4095 << 16));
676         OUT_RING  ((4095 << 16));
677
678         return TRUE;
679 }
680