vmwgfx_tex_video.c revision 3bfa90b6 
1/*
2 * Copyright 2009-2011 VMWare, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * 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, sub license, 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 portions
15 * of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 * Author: Thomas Hellstrom <thellstrom@vmware.com>
26 * Author: Zack Rusin <zackr@vmware.com>
27 */
28
29#include "vmwgfx_driver.h"
30#include "vmwgfx_drmi.h"
31#include "vmwgfx_saa.h"
32
33#include <xf86xv.h>
34#include <X11/extensions/Xv.h>
35#include <fourcc.h>
36#include <xa_tracker.h>
37#include <xa_context.h>
38#include <math.h>
39
40/*XXX get these from pipe's texture limits */
41#define IMAGE_MAX_WIDTH		2048
42#define IMAGE_MAX_HEIGHT	2048
43
44#define RES_720P_X 1280
45#define RES_720P_Y 720
46
47
48#define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE)
49
50/*
51 * ITU-R BT.601, BT.709 transfer matrices.
52 * [R', G', B'] values are in the range [0, 1], Y' is in the range [0,1]
53 * and [Pb, Pr] components are in the range [-0.5, 0.5].
54 *
55 * The matrices are transposed to fit the xa conversion matrix format.
56 */
57
58static const float bt_601[] = {
59    1.f, 1.f, 1.f, 0.f,
60    0.f, -0.344136f, 1.772f, 0.f,
61    1.402f,  -0.714136f, 0.f, 0.f
62};
63
64static const float bt_709[] = {
65    1.f, 1.f, 1.f, 0.f,
66    0.f, -0.187324f, 1.8556f, 0.f,
67    1.5748f, -0.468124f, 0.f, 0.f
68};
69
70static Atom xvBrightness, xvContrast, xvSaturation, xvHue;
71
72#define NUM_TEXTURED_ATTRIBUTES 4
73static XF86AttributeRec TexturedAttributes[NUM_TEXTURED_ATTRIBUTES] = {
74   {XvSettable | XvGettable, -1000, 1000, "XV_BRIGHTNESS"},
75   {XvSettable | XvGettable, -1000, 1000, "XV_CONTRAST"},
76   {XvSettable | XvGettable, -1000, 1000, "XV_SATURATION"},
77   {XvSettable | XvGettable, -1000, 1000, "XV_HUE"}
78};
79
80#define NUM_FORMATS 3
81static XF86VideoFormatRec Formats[NUM_FORMATS] = {
82   {15, TrueColor}, {16, TrueColor}, {24, TrueColor}
83};
84
85static XF86VideoEncodingRec DummyEncoding[1] = {
86   {
87      0,
88      "XV_IMAGE",
89      IMAGE_MAX_WIDTH, IMAGE_MAX_HEIGHT,
90      {1, 1}
91   }
92};
93
94#define NUM_IMAGES 3
95static XF86ImageRec Images[NUM_IMAGES] = {
96   XVIMAGE_UYVY,
97   XVIMAGE_YUY2,
98   XVIMAGE_YV12,
99};
100
101struct xorg_xv_port_priv {
102    struct xa_tracker *xat;
103    struct xa_context *r;
104    struct xa_fence *fence;
105
106    RegionRec clip;
107
108    int brightness;
109    int contrast;
110    int saturation;
111    int hue;
112
113    int current_set;
114    struct vmwgfx_dmabuf *bounce[2][3];
115    struct xa_surface *yuv[3];
116
117    int drm_fd;
118
119    Bool hdtv;
120    float uv_offset;
121    float uv_scale;
122    float y_offset;
123    float y_scale;
124    float rgb_offset;
125    float rgb_scale;
126    float sinhue;
127    float coshue;
128    float cm[16];
129};
130
131/*
132 * vmwgfx_update_conversion_matrix - Compute the effective color conversion
133 * matrix.
134 *
135 * Applies yuv- and resulting rgb scales and offsets to compute the correct
136 * color conversion matrix. These scales and offsets are properties of the
137 * video stream and can be adjusted using XV properties as well.
138 */
139static void
140vmwgfx_update_conversion_matrix(struct xorg_xv_port_priv *priv)
141{
142    int i;
143    float *cm = priv->cm;
144    static const float *bt;
145
146    bt = (priv->hdtv) ? bt_709 : bt_601;
147
148    memcpy(cm, bt, sizeof(bt_601));
149
150    /*
151     * Apply hue rotation
152     */
153    cm[4] = priv->coshue * bt[4] - priv->sinhue * bt[8];
154    cm[8] = priv->sinhue * bt[4] + priv->coshue * bt[8];
155    cm[5] = priv->coshue * bt[5] - priv->sinhue * bt[9];
156    cm[9] = priv->sinhue * bt[5] + priv->coshue * bt[9];
157    cm[6] = priv->coshue * bt[6] - priv->sinhue * bt[10];
158    cm[10] = priv->sinhue * bt[6] + priv->coshue * bt[10];
159
160    /*
161     * Adjust for yuv scales in input and rgb scale in the converted output.
162     */
163    for(i = 0; i < 3; ++i) {
164	cm[i] *= (priv->y_scale*priv->rgb_scale);
165	cm[i+4] *= (priv->uv_scale*priv->rgb_scale);
166	cm[i+8] *= (priv->uv_scale*priv->rgb_scale);
167    }
168
169    /*
170     * Adjust for yuv offsets in input and rgb offset in the converted output.
171     */
172    for (i = 0; i < 3; ++i)
173	cm[i+12] = -cm[i]*priv->y_offset - (cm[i+4] + cm[i+8])*priv->uv_offset
174	    - priv->rgb_offset*priv->rgb_scale;
175
176    /*
177     * Alpha is 1, unconditionally.
178     */
179    cm[15] = 1.f;
180}
181
182
183static void
184stop_video(ScrnInfoPtr pScrn, pointer data, Bool shutdown)
185{
186   struct xorg_xv_port_priv *priv = (struct xorg_xv_port_priv *)data;
187   int i, j;
188
189   REGION_EMPTY(pScrn->pScreen, &priv->clip);
190   if (shutdown) {
191
192       /*
193	* No need to destroy the xa context or xa tracker since
194	* they are copied from the screen resources.
195	*/
196
197       xa_fence_destroy(priv->fence);
198       priv->fence = NULL;
199
200       for (i=0; i<3; ++i) {
201	   if (priv->yuv[i]) {
202	       xa_surface_destroy(priv->yuv[i]);
203	       priv->yuv[i] = NULL;
204	   }
205	   for (j=0; j<2; ++j) {
206	       if (priv->bounce[j][i]) {
207		   vmwgfx_dmabuf_destroy(priv->bounce[j][i]);
208		   priv->bounce[0][i] = NULL;
209	       }
210	   }
211       }
212   }
213}
214
215static int
216set_port_attribute(ScrnInfoPtr pScrn,
217                   Atom attribute, INT32 value, pointer data)
218{
219   struct xorg_xv_port_priv *priv = (struct xorg_xv_port_priv *)data;
220
221   if (attribute == xvBrightness) {
222       if ((value < -1000) || (value > 1000))
223	   return BadValue;
224
225       priv->brightness = value;
226       priv->y_offset = -((float) value)/1000.f;
227
228   } else if (attribute == xvContrast) {
229       if ((value < -1000) || (value > 1000))
230	   return BadValue;
231
232       priv->contrast = value;
233       priv->rgb_scale = ((float) value + 1000.f)/1000.f;
234
235   } else if (attribute == xvSaturation) {
236       if ((value < -1000) || (value > 1000))
237	   return BadValue;
238
239       priv->saturation = value;
240       priv->uv_scale = ((float) value + 1000.f)/1000.f;
241
242   } else if (attribute == xvHue) {
243       double hue_angle;
244
245       if ((value < -1000) || (value > 1000))
246	   return BadValue;
247
248       priv->hue = value;
249       hue_angle = (double) value * M_PI / 1000.;
250       priv->sinhue = sin(hue_angle);
251       priv->coshue = cos(hue_angle);
252
253   } else
254      return BadMatch;
255
256   vmwgfx_update_conversion_matrix(priv);
257   return Success;
258}
259
260static int
261get_port_attribute(ScrnInfoPtr pScrn,
262                   Atom attribute, INT32 * value, pointer data)
263{
264    struct xorg_xv_port_priv *priv = (struct xorg_xv_port_priv *)data;
265
266    if (attribute == xvBrightness)
267	*value = priv->brightness;
268    else if (attribute == xvContrast)
269	*value = priv->contrast;
270    else if (attribute == xvSaturation)
271	*value = priv->saturation;
272    else if (attribute == xvHue)
273	*value = priv->hue;
274    else
275	return BadMatch;
276
277    return Success;
278}
279
280static void
281query_best_size(ScrnInfoPtr pScrn,
282                Bool motion,
283                short vid_w, short vid_h,
284                short drw_w, short drw_h,
285                unsigned int *p_w, unsigned int *p_h, pointer data)
286{
287   if (vid_w > (drw_w << 1))
288      drw_w = vid_w >> 1;
289   if (vid_h > (drw_h << 1))
290      drw_h = vid_h >> 1;
291
292   *p_w = drw_w;
293   *p_h = drw_h;
294}
295
296static int
297check_yuv_surfaces(struct xorg_xv_port_priv *priv,  int id,
298		   int width, int height)
299{
300    struct xa_surface **yuv = priv->yuv;
301    struct vmwgfx_dmabuf **bounce = priv->bounce[priv->current_set];
302    int ret = 0;
303    int i;
304    size_t size;
305
306    for (i=0; i<3; ++i) {
307
308	/*
309	 * Adjust u,v texture size and DMA buffer to what's required by
310	 * the format.
311	 */
312	if (i == 1) {
313	    switch(id) {
314	    case FOURCC_YV12:
315		height /= 2;
316		/* Fall through */
317	    case FOURCC_YUY2:
318	    case FOURCC_UYVY:
319		width /= 2;
320		break;
321	    default:
322		break;
323	    }
324	}
325
326	if (!yuv[i])
327	    yuv[i] = xa_surface_create(priv->xat, width, height, 8,
328				       xa_type_yuv_component,
329				       xa_format_unknown, 0);
330	else
331	    ret = xa_surface_redefine(yuv[i], width, height, 8,
332				      xa_type_yuv_component,
333				      xa_format_unknown, 0, 0);
334	if (ret || !yuv[i])
335	    return BadAlloc;
336
337	size = width * height;
338
339	if (bounce[i] && (bounce[i]->size < size ||
340			  bounce[i]->size > 2*size)) {
341	    vmwgfx_dmabuf_destroy(bounce[i]);
342	    bounce[i] = NULL;
343	}
344
345	if (!bounce[i]) {
346	    bounce[i] = vmwgfx_dmabuf_alloc(priv->drm_fd, size);
347	    if (!bounce[i])
348		return BadAlloc;
349	}
350    }
351    return Success;
352}
353
354static int
355query_image_attributes(ScrnInfoPtr pScrn,
356                       int id,
357                       unsigned short *w, unsigned short *h,
358                       int *pitches, int *offsets)
359{
360   int size, tmp;
361
362   if (*w > IMAGE_MAX_WIDTH)
363      *w = IMAGE_MAX_WIDTH;
364   if (*h > IMAGE_MAX_HEIGHT)
365      *h = IMAGE_MAX_HEIGHT;
366
367   *w = (*w + 1) & ~1;
368   if (offsets)
369      offsets[0] = 0;
370
371   switch (id) {
372   case FOURCC_YV12:
373      *h = (*h + 1) & ~1;
374      size = (*w + 3) & ~3;
375      if (pitches) {
376         pitches[0] = size;
377      }
378      size *= *h;
379      if (offsets) {
380         offsets[1] = size;
381      }
382      tmp = ((*w >> 1) + 3) & ~3;
383      if (pitches) {
384         pitches[1] = pitches[2] = tmp;
385      }
386      tmp *= (*h >> 1);
387      size += tmp;
388      if (offsets) {
389         offsets[2] = size;
390      }
391      size += tmp;
392      break;
393   case FOURCC_UYVY:
394   case FOURCC_YUY2:
395   default:
396      size = *w << 1;
397      if (pitches)
398	 pitches[0] = size;
399      size *= *h;
400      break;
401   }
402
403   return size;
404}
405
406static int
407copy_packed_data(ScrnInfoPtr pScrn,
408                 struct xorg_xv_port_priv *port,
409                 int id,
410                 unsigned char *buf,
411                 int left,
412                 int top,
413                 unsigned short w, unsigned short h)
414{
415    int i;
416   struct vmwgfx_dmabuf **bounce = port->bounce[port->current_set];
417   char *ymap, *vmap, *umap;
418   unsigned char y1, y2, u, v;
419   int yidx, uidx, vidx;
420   int y_array_size = w * h;
421   int ret = BadAlloc;
422
423   /*
424    * Here, we could use xa_surface_[map|unmap], but given the size of
425    * the yuv textures, that could stress the xa tracker dma buffer pool,
426    * particularaly with multiple videos rendering simultaneously.
427    *
428    * Instead, cheat and allocate vmwgfx dma buffers directly.
429    */
430
431   ymap = (char *)vmwgfx_dmabuf_map(bounce[0]);
432   if (!ymap)
433       return BadAlloc;
434   umap = (char *)vmwgfx_dmabuf_map(bounce[1]);
435   if (!umap)
436       goto out_no_umap;
437   vmap = (char *)vmwgfx_dmabuf_map(bounce[2]);
438   if (!vmap)
439       goto out_no_vmap;
440
441
442   yidx = uidx = vidx = 0;
443
444   switch (id) {
445   case FOURCC_YV12: {
446      int pitches[3], offsets[3];
447      unsigned char *y, *u, *v;
448      query_image_attributes(pScrn, FOURCC_YV12,
449                             &w, &h, pitches, offsets);
450
451      y = buf + offsets[0];
452      v = buf + offsets[1];
453      u = buf + offsets[2];
454      memcpy(ymap, y, w*h);
455      memcpy(vmap, v, w*h/4);
456      memcpy(umap, u, w*h/4);
457      break;
458   }
459   case FOURCC_UYVY:
460      for (i = 0; i < y_array_size; i +=2 ) {
461         /* extracting two pixels */
462         u  = buf[0];
463         y1 = buf[1];
464         v  = buf[2];
465         y2 = buf[3];
466         buf += 4;
467
468         ymap[yidx++] = y1;
469         ymap[yidx++] = y2;
470         umap[uidx++] = u;
471         vmap[vidx++] = v;
472      }
473      break;
474   case FOURCC_YUY2:
475      for (i = 0; i < y_array_size; i +=2 ) {
476         /* extracting two pixels */
477         y1 = buf[0];
478         u  = buf[1];
479         y2 = buf[2];
480         v  = buf[3];
481
482         buf += 4;
483
484         ymap[yidx++] = y1;
485         ymap[yidx++] = y2;
486         umap[uidx++] = u;
487         vmap[vidx++] = v;
488      }
489      break;
490   default:
491       ret = BadAlloc;
492       break;
493   }
494
495   ret = Success;
496   vmwgfx_dmabuf_unmap(bounce[2]);
497  out_no_vmap:
498   vmwgfx_dmabuf_unmap(bounce[1]);
499  out_no_umap:
500   vmwgfx_dmabuf_unmap(bounce[0]);
501
502   if (ret == Success) {
503       struct xa_surface *srf;
504       struct vmwgfx_dmabuf *buf;
505       uint32_t handle;
506       unsigned int stride;
507       BoxRec box;
508       RegionRec reg;
509
510       box.x1 = 0;
511       box.x2 = w;
512       box.y1 = 0;
513       box.y2 = h;
514
515       REGION_INIT(pScrn->pScreen, &reg, &box, 1);
516
517       for (i=0; i<3; ++i) {
518	   srf = port->yuv[i];
519	   buf = bounce[i];
520
521	   if (i == 1) {
522	       switch(id) {
523	       case FOURCC_YV12:
524		   h /= 2;
525		   /* Fall through */
526	       case FOURCC_YUY2:
527	       case FOURCC_UYVY:
528		   w /= 2;
529		   break;
530	       default:
531		   break;
532	       }
533
534	       box.x1 = 0;
535	       box.x2 = w;
536	       box.y1 = 0;
537	       box.y2 = h;
538
539	       REGION_RESET(pScrn->pScreen, &reg, &box);
540	   }
541
542	   if (xa_surface_handle(srf, &handle, &stride) != 0) {
543	       ret = BadAlloc;
544	       break;
545	   }
546
547	   if (vmwgfx_dma(0, 0, &reg, buf, w, handle, 1) != 0) {
548	       ret = BadAlloc;
549	       break;
550	   }
551       }
552       REGION_UNINIT(pScrn->pScreen, &reg);
553   }
554
555   return ret;
556}
557
558
559static int
560display_video(ScreenPtr pScreen, struct xorg_xv_port_priv *pPriv, int id,
561              RegionPtr dstRegion,
562              int src_x, int src_y, int src_w, int src_h,
563              int dst_x, int dst_y, int dst_w, int dst_h,
564              PixmapPtr pPixmap)
565{
566    struct vmwgfx_saa_pixmap *vpix = vmwgfx_saa_pixmap(pPixmap);
567    Bool hdtv;
568    RegionRec reg;
569    int ret = BadAlloc;
570    int blit_ret;
571
572    REGION_NULL(pScreen, &reg);
573
574    if (!vmwgfx_hw_accel_validate(pPixmap, 0, XA_FLAG_RENDER_TARGET, 0, &reg))
575	goto out_no_dst;
576
577   hdtv = ((src_w >= RES_720P_X) && (src_h >= RES_720P_Y));
578   if (hdtv != pPriv->hdtv) {
579       pPriv->hdtv = hdtv;
580       vmwgfx_update_conversion_matrix(pPriv);
581   }
582
583#ifdef COMPOSITE
584
585   /*
586    * For redirected windows, we need to fix up the destination coordinates.
587    */
588
589   REGION_TRANSLATE(pScreen, dstRegion, -pPixmap->screen_x,
590		    -pPixmap->screen_y);
591   dst_x -= pPixmap->screen_x;
592   dst_y -= pPixmap->screen_y;
593#endif
594
595   /*
596    * Throttle on previous blit.
597    */
598
599   if (pPriv->fence) {
600       (void) xa_fence_wait(pPriv->fence, 1000000000ULL);
601       xa_fence_destroy(pPriv->fence);
602       pPriv->fence = NULL;
603   }
604
605   DamageRegionAppend(&pPixmap->drawable, dstRegion);
606
607   blit_ret = xa_yuv_planar_blit(pPriv->r, src_x, src_y, src_w, src_h,
608				 dst_x, dst_y, dst_w, dst_h,
609				 (struct xa_box *)REGION_RECTS(dstRegion),
610				 REGION_NUM_RECTS(dstRegion),
611				 pPriv->cm,
612				 vpix->hw, pPriv->yuv);
613
614   saa_pixmap_dirty(pPixmap, TRUE, dstRegion);
615   DamageRegionProcessPending(&pPixmap->drawable);
616   ret = Success;
617
618   if (!blit_ret) {
619       ret = Success;
620       pPriv->fence = xa_fence_get(pPriv->r);
621   } else
622       ret = BadAlloc;
623
624   out_no_dst:
625   REGION_UNINIT(pScreen, &reg);
626   return ret;
627}
628
629static int
630put_image(ScrnInfoPtr pScrn,
631          short src_x, short src_y,
632          short drw_x, short drw_y,
633          short src_w, short src_h,
634          short drw_w, short drw_h,
635          int id, unsigned char *buf,
636          short width, short height,
637          Bool sync, RegionPtr clipBoxes, pointer data,
638          DrawablePtr pDraw)
639{
640   struct xorg_xv_port_priv *pPriv = (struct xorg_xv_port_priv *) data;
641   ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
642   PixmapPtr pPixmap;
643   INT32 x1, x2, y1, y2;
644   BoxRec dstBox;
645   int ret;
646
647   /* Clip */
648   x1 = src_x;
649   x2 = src_x + src_w;
650   y1 = src_y;
651   y2 = src_y + src_h;
652
653   dstBox.x1 = drw_x;
654   dstBox.x2 = drw_x + drw_w;
655   dstBox.y1 = drw_y;
656   dstBox.y2 = drw_y + drw_h;
657
658   if (!xf86XVClipVideoHelper(&dstBox, &x1, &x2, &y1, &y2, clipBoxes,
659			      width, height))
660      return Success;
661
662   ret = check_yuv_surfaces(pPriv, id, width, height);
663   if (ret)
664       return ret;
665
666   ret = copy_packed_data(pScrn, pPriv, id, buf,
667			  src_x, src_y, width, height);
668   if (ret)
669       return ret;
670
671   if (pDraw->type == DRAWABLE_WINDOW) {
672      pPixmap = (*pScreen->GetWindowPixmap)((WindowPtr)pDraw);
673   } else {
674      pPixmap = (PixmapPtr)pDraw;
675   }
676
677   display_video(pScrn->pScreen, pPriv, id, clipBoxes,
678                 src_x, src_y, src_w, src_h,
679                 drw_x, drw_y,
680                 drw_w, drw_h, pPixmap);
681
682   pPriv->current_set = (pPriv->current_set + 1) & 1;
683   return Success;
684}
685
686static struct xorg_xv_port_priv *
687port_priv_create(struct xa_tracker *xat, struct xa_context *r,
688		 int drm_fd)
689{
690   struct xorg_xv_port_priv *priv = NULL;
691
692   priv = calloc(1, sizeof(struct xorg_xv_port_priv));
693
694   if (!priv)
695      return NULL;
696
697   priv->r = r;
698   priv->xat = xat;
699   priv->drm_fd = drm_fd;
700   REGION_NULL(pScreen, &priv->clip);
701   priv->hdtv = FALSE;
702   priv->uv_offset = 0.5f;
703   priv->uv_scale = 1.f;
704   priv->y_offset = 0.f;
705   priv->y_scale = 1.f;
706   priv->rgb_offset = 0.f;
707   priv->rgb_scale = 1.f;
708   priv->sinhue = 0.f;
709   priv->coshue = 1.f;
710
711   vmwgfx_update_conversion_matrix(priv);
712
713   return priv;
714}
715
716static void
717vmwgfx_free_textured_adaptor(XF86VideoAdaptorPtr adaptor, Bool free_ports)
718{
719    if (free_ports) {
720	int i;
721
722	for(i=0; i<adaptor->nPorts; ++i) {
723	    free(adaptor->pPortPrivates[i].ptr);
724	}
725    }
726
727    free(adaptor->pAttributes);
728    free(adaptor->pPortPrivates);
729    xf86XVFreeVideoAdaptorRec(adaptor);
730}
731
732static XF86VideoAdaptorPtr
733xorg_setup_textured_adapter(ScreenPtr pScreen)
734{
735   ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
736   modesettingPtr ms = modesettingPTR(pScrn);
737   XF86VideoAdaptorPtr adapt;
738   XF86AttributePtr attrs;
739   DevUnion *dev_unions;
740   int nports = 16, i;
741   int nattributes;
742   struct xa_context *xar;
743
744   /*
745    * Use the XA default context since we don't expect the X server
746    * to render from multiple threads.
747    */
748
749   xar = xa_context_default(ms->xat);
750   nattributes = NUM_TEXTURED_ATTRIBUTES;
751
752   adapt = calloc(1, sizeof(XF86VideoAdaptorRec));
753   dev_unions = calloc(nports, sizeof(DevUnion));
754   attrs = calloc(nattributes, sizeof(XF86AttributeRec));
755   if (adapt == NULL || dev_unions == NULL || attrs == NULL) {
756      free(adapt);
757      free(dev_unions);
758      free(attrs);
759      return NULL;
760   }
761
762   adapt->type = XvWindowMask | XvInputMask | XvImageMask;
763   adapt->flags = 0;
764   adapt->name = "XA G3D Textured Video";
765   adapt->nEncodings = 1;
766   adapt->pEncodings = DummyEncoding;
767   adapt->nFormats = NUM_FORMATS;
768   adapt->pFormats = Formats;
769   adapt->nPorts = 0;
770   adapt->pPortPrivates = dev_unions;
771   adapt->nAttributes = nattributes;
772   adapt->pAttributes = attrs;
773   memcpy(attrs, TexturedAttributes, nattributes * sizeof(XF86AttributeRec));
774   adapt->nImages = NUM_IMAGES;
775   adapt->pImages = Images;
776   adapt->PutVideo = NULL;
777   adapt->PutStill = NULL;
778   adapt->GetVideo = NULL;
779   adapt->GetStill = NULL;
780   adapt->StopVideo = stop_video;
781   adapt->SetPortAttribute = set_port_attribute;
782   adapt->GetPortAttribute = get_port_attribute;
783   adapt->QueryBestSize = query_best_size;
784   adapt->PutImage = put_image;
785   adapt->QueryImageAttributes = query_image_attributes;
786
787
788   for (i = 0; i < nports; i++) {
789       struct xorg_xv_port_priv *priv =
790	  port_priv_create(ms->xat, xar, ms->fd);
791
792      adapt->pPortPrivates[i].ptr = (pointer) (priv);
793      adapt->nPorts++;
794   }
795
796   return adapt;
797}
798
799void
800xorg_xv_init(ScreenPtr pScreen)
801{
802   ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
803   modesettingPtr ms = modesettingPTR(pScrn);
804   XF86VideoAdaptorPtr *adaptors, *new_adaptors = NULL;
805   XF86VideoAdaptorPtr textured_adapter = NULL, overlay_adaptor = NULL;
806   int num_adaptors;
807
808   num_adaptors = xf86XVListGenericAdaptors(pScrn, &adaptors);
809   new_adaptors = malloc((num_adaptors + 2) * sizeof(XF86VideoAdaptorPtr *));
810   if (new_adaptors == NULL)
811       return;
812
813   memcpy(new_adaptors, adaptors, num_adaptors * sizeof(XF86VideoAdaptorPtr));
814   adaptors = new_adaptors;
815
816   /* Add the adaptors supported by our hardware.  First, set up the atoms
817    * that will be used by both output adaptors.
818    */
819   xvBrightness = MAKE_ATOM("XV_BRIGHTNESS");
820   xvContrast = MAKE_ATOM("XV_CONTRAST");
821   xvSaturation = MAKE_ATOM("XV_SATURATION");
822   xvHue = MAKE_ATOM("XV_HUE");
823
824   if (ms->xat) {
825       textured_adapter = xorg_setup_textured_adapter(pScreen);
826       if (textured_adapter)
827	   adaptors[num_adaptors++] = textured_adapter;
828   } else {
829       xf86DrvMsg(pScrn->scrnIndex, X_INFO,
830		  "No 3D acceleration. Not setting up textured video.\n");
831   }
832
833   overlay_adaptor = vmw_video_init_adaptor(pScrn);
834   if (overlay_adaptor)
835       adaptors[num_adaptors++] = overlay_adaptor;
836
837   if (num_adaptors) {
838       Bool ret;
839       ret = xf86XVScreenInit(pScreen, adaptors, num_adaptors);
840       if (textured_adapter)
841	   vmwgfx_free_textured_adaptor(textured_adapter, !ret);
842       if (overlay_adaptor)
843	   vmw_video_free_adaptor(overlay_adaptor, !ret);
844       if (!ret)
845	   xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
846		      "Failed to initialize Xv.\n");
847   } else {
848       xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
849		  "Disabling Xv because no adaptors could be initialized.\n");
850   }
851}
852