subpicture.c revision d645dc65b6c5e7d46538e98208a703f0f7a5d20b 
1/**************************************************************************
2 *
3 * Copyright 2009 Younes Manton.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#include <assert.h>
29
30#include <X11/Xlibint.h>
31#include <X11/extensions/XvMClib.h>
32
33#include "pipe/p_screen.h"
34#include "pipe/p_video_decoder.h"
35#include "pipe/p_state.h"
36
37#include "util/u_memory.h"
38#include "util/u_math.h"
39#include "util/u_format.h"
40#include "util/u_sampler.h"
41#include "util/u_rect.h"
42
43#include "vl_winsys.h"
44
45#include "xvmc_private.h"
46
47#define FOURCC_RGB 0x0000003
48#define FOURCC_AI44 0x34344941
49#define FOURCC_IA44 0x34344149
50
51static enum pipe_format XvIDToPipe(int xvimage_id)
52{
53   switch (xvimage_id) {
54      case FOURCC_RGB:
55         return PIPE_FORMAT_B8G8R8X8_UNORM;
56
57      case FOURCC_AI44:
58         return PIPE_FORMAT_A4R4_UNORM;
59
60      case FOURCC_IA44:
61         return PIPE_FORMAT_R4A4_UNORM;
62
63      default:
64         XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized Xv image ID 0x%08X.\n", xvimage_id);
65         return PIPE_FORMAT_NONE;
66   }
67}
68
69static unsigned NumPaletteEntries4XvID(int xvimage_id)
70{
71   switch (xvimage_id) {
72      case FOURCC_RGB:
73         return 0;
74
75      case FOURCC_AI44:
76      case FOURCC_IA44:
77         return 16;
78
79      default:
80         XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized Xv image ID 0x%08X.\n", xvimage_id);
81         return 0;
82   }
83}
84
85static int PipeToComponentOrder(enum pipe_format format, char *component_order)
86{
87   assert(component_order);
88
89   switch (format) {
90      case PIPE_FORMAT_B8G8R8X8_UNORM:
91         return 0;
92
93      case PIPE_FORMAT_R4A4_UNORM:
94      case PIPE_FORMAT_A4R4_UNORM:
95         component_order[0] = 'Y';
96         component_order[1] = 'U';
97         component_order[2] = 'V';
98         component_order[3] = 'A';
99         return 4;
100
101      default:
102         XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized PIPE_FORMAT 0x%08X.\n", format);
103         component_order[0] = 0;
104         component_order[1] = 0;
105         component_order[2] = 0;
106         component_order[3] = 0;
107         return 0;
108   }
109}
110
111static Status Validate(Display *dpy, XvPortID port, int surface_type_id, int xvimage_id)
112{
113   XvImageFormatValues *subpictures;
114   int num_subpics;
115   unsigned int i;
116
117   subpictures = XvMCListSubpictureTypes(dpy, port, surface_type_id, &num_subpics);
118   if (num_subpics < 1) {
119      if (subpictures)
120         XFree(subpictures);
121      return BadMatch;
122   }
123   if (!subpictures)
124      return BadAlloc;
125
126   for (i = 0; i < num_subpics; ++i) {
127      if (subpictures[i].id == xvimage_id) {
128         XVMC_MSG(XVMC_TRACE, "[XvMC] Found requested subpicture format.\n" \
129                              "[XvMC]   port=%u\n" \
130                              "[XvMC]   surface id=0x%08X\n" \
131                              "[XvMC]   image id=0x%08X\n" \
132                              "[XvMC]   type=%08X\n" \
133                              "[XvMC]   byte order=%08X\n" \
134                              "[XvMC]   bits per pixel=%u\n" \
135                              "[XvMC]   format=%08X\n" \
136                              "[XvMC]   num planes=%d\n",
137                              port, surface_type_id, xvimage_id, subpictures[i].type, subpictures[i].byte_order,
138                              subpictures[i].bits_per_pixel, subpictures[i].format, subpictures[i].num_planes);
139         if (subpictures[i].type == XvRGB) {
140            XVMC_MSG(XVMC_TRACE, "[XvMC]   depth=%d\n" \
141                                 "[XvMC]   red mask=0x%08X\n" \
142                                 "[XvMC]   green mask=0x%08X\n" \
143                                 "[XvMC]   blue mask=0x%08X\n",
144                                 subpictures[i].depth, subpictures[i].red_mask,
145                                 subpictures[i].green_mask, subpictures[i].blue_mask);
146         }
147         else if (subpictures[i].type == XvYUV) {
148            XVMC_MSG(XVMC_TRACE, "[XvMC]   y sample bits=0x%08X\n" \
149                                 "[XvMC]   u sample bits=0x%08X\n" \
150                                 "[XvMC]   v sample bits=0x%08X\n" \
151                                 "[XvMC]   horz y period=%u\n" \
152                                 "[XvMC]   horz u period=%u\n" \
153                                 "[XvMC]   horz v period=%u\n" \
154                                 "[XvMC]   vert y period=%u\n" \
155                                 "[XvMC]   vert u period=%u\n" \
156                                 "[XvMC]   vert v period=%u\n",
157                                 subpictures[i].y_sample_bits, subpictures[i].u_sample_bits, subpictures[i].v_sample_bits,
158                                 subpictures[i].horz_y_period, subpictures[i].horz_u_period, subpictures[i].horz_v_period,
159                                 subpictures[i].vert_y_period, subpictures[i].vert_u_period, subpictures[i].vert_v_period);
160         }
161         break;
162      }
163   }
164
165   XFree(subpictures);
166
167   return i < num_subpics ? Success : BadMatch;
168}
169
170static void
171upload_sampler(struct pipe_context *pipe, struct pipe_sampler_view *dst,
172               const struct pipe_box *dst_box, const void *src, unsigned src_stride,
173               unsigned src_x, unsigned src_y)
174{
175   struct pipe_transfer *transfer;
176   void *map;
177
178   transfer = pipe->get_transfer(pipe, dst->texture, 0, PIPE_TRANSFER_WRITE, dst_box);
179   if (!transfer)
180      return;
181
182   map = pipe->transfer_map(pipe, transfer);
183   if (map) {
184      util_copy_rect(map, dst->texture->format, transfer->stride, 0, 0,
185                     dst_box->width, dst_box->height,
186                     src, src_stride, src_x, src_y);
187
188      pipe->transfer_unmap(pipe, transfer);
189   }
190
191   pipe->transfer_destroy(pipe, transfer);
192}
193
194PUBLIC
195Status XvMCCreateSubpicture(Display *dpy, XvMCContext *context, XvMCSubpicture *subpicture,
196                            unsigned short width, unsigned short height, int xvimage_id)
197{
198   XvMCContextPrivate *context_priv;
199   XvMCSubpicturePrivate *subpicture_priv;
200   struct pipe_context *pipe;
201   struct pipe_resource tex_templ, *tex;
202   struct pipe_sampler_view sampler_templ;
203   Status ret;
204
205   XVMC_MSG(XVMC_TRACE, "[XvMC] Creating subpicture %p.\n", subpicture);
206
207   assert(dpy);
208
209   if (!context)
210      return XvMCBadContext;
211
212   context_priv = context->privData;
213   pipe = context_priv->pipe;
214
215   if (!subpicture)
216      return XvMCBadSubpicture;
217
218   if (width > context_priv->subpicture_max_width ||
219       height > context_priv->subpicture_max_height)
220      return BadValue;
221
222   ret = Validate(dpy, context->port, context->surface_type_id, xvimage_id);
223   if (ret != Success)
224      return ret;
225
226   subpicture_priv = CALLOC(1, sizeof(XvMCSubpicturePrivate));
227   if (!subpicture_priv)
228      return BadAlloc;
229
230   memset(&tex_templ, 0, sizeof(tex_templ));
231   tex_templ.target = PIPE_TEXTURE_2D;
232   tex_templ.format = XvIDToPipe(xvimage_id);
233   tex_templ.last_level = 0;
234   if (pipe->screen->get_video_param(pipe->screen,
235                                     PIPE_VIDEO_PROFILE_UNKNOWN,
236                                     PIPE_VIDEO_CAP_NPOT_TEXTURES)) {
237      tex_templ.width0 = width;
238      tex_templ.height0 = height;
239   }
240   else {
241      tex_templ.width0 = util_next_power_of_two(width);
242      tex_templ.height0 = util_next_power_of_two(height);
243   }
244   tex_templ.depth0 = 1;
245   tex_templ.array_size = 1;
246   tex_templ.usage = PIPE_USAGE_DYNAMIC;
247   tex_templ.bind = PIPE_BIND_SAMPLER_VIEW;
248   tex_templ.flags = 0;
249
250   tex = pipe->screen->resource_create(pipe->screen, &tex_templ);
251
252   memset(&sampler_templ, 0, sizeof(sampler_templ));
253   u_sampler_view_default_template(&sampler_templ, tex, tex->format);
254
255   subpicture_priv->sampler = pipe->create_sampler_view(pipe, tex, &sampler_templ);
256   pipe_resource_reference(&tex, NULL);
257   if (!subpicture_priv->sampler) {
258      FREE(subpicture_priv);
259      return BadAlloc;
260   }
261
262   subpicture_priv->context = context;
263   subpicture->subpicture_id = XAllocID(dpy);
264   subpicture->context_id = context->context_id;
265   subpicture->xvimage_id = xvimage_id;
266   subpicture->width = width;
267   subpicture->height = height;
268   subpicture->num_palette_entries = NumPaletteEntries4XvID(xvimage_id);
269   subpicture->entry_bytes = PipeToComponentOrder(tex_templ.format, subpicture->component_order);
270   subpicture->privData = subpicture_priv;
271
272   if (subpicture->num_palette_entries > 0) {
273      tex_templ.target = PIPE_TEXTURE_1D;
274      tex_templ.format = PIPE_FORMAT_R8G8B8X8_UNORM;
275      tex_templ.width0 = subpicture->num_palette_entries;
276      tex_templ.height0 = 1;
277      tex_templ.usage = PIPE_USAGE_STATIC;
278
279      tex = pipe->screen->resource_create(pipe->screen, &tex_templ);
280
281      memset(&sampler_templ, 0, sizeof(sampler_templ));
282      u_sampler_view_default_template(&sampler_templ, tex, tex->format);
283      sampler_templ.swizzle_a = PIPE_SWIZZLE_ONE;
284      subpicture_priv->palette = pipe->create_sampler_view(pipe, tex, &sampler_templ);
285      pipe_resource_reference(&tex, NULL);
286      if (!subpicture_priv->sampler) {
287         FREE(subpicture_priv);
288         return BadAlloc;
289      }
290   }
291
292   SyncHandle();
293
294   XVMC_MSG(XVMC_TRACE, "[XvMC] Subpicture %p created.\n", subpicture);
295
296   return Success;
297}
298
299PUBLIC
300Status XvMCClearSubpicture(Display *dpy, XvMCSubpicture *subpicture, short x, short y,
301                           unsigned short width, unsigned short height, unsigned int color)
302{
303   XvMCSubpicturePrivate *subpicture_priv;
304   XvMCContextPrivate *context_priv;
305   struct pipe_context *pipe;
306   struct pipe_sampler_view *dst;
307   struct pipe_box dst_box = {x, y, 0, width, height, 1};
308   struct pipe_transfer *transfer;
309   union util_color uc;
310   void *map;
311
312   assert(dpy);
313
314   if (!subpicture)
315      return XvMCBadSubpicture;
316
317   /* Convert color to float */
318   util_format_read_4f(PIPE_FORMAT_B8G8R8A8_UNORM,
319                       uc.f, 1, &color, 4,
320                       0, 0, 1, 1);
321
322   subpicture_priv = subpicture->privData;
323   context_priv = subpicture_priv->context->privData;
324   pipe = context_priv->pipe;
325   dst = subpicture_priv->sampler;
326
327   /* TODO: Assert clear rect is within bounds? Or clip? */
328   transfer = pipe->get_transfer(pipe, dst->texture, 0, PIPE_TRANSFER_WRITE, &dst_box);
329   if (!transfer)
330      return XvMCBadSubpicture;
331
332   map = pipe->transfer_map(pipe, transfer);
333   if (map) {
334      util_fill_rect(map, dst->texture->format, transfer->stride, 0, 0,
335                     dst_box.width, dst_box.height, &uc);
336
337      pipe->transfer_unmap(pipe, transfer);
338   }
339
340   pipe->transfer_destroy(pipe, transfer);
341
342   return Success;
343}
344
345PUBLIC
346Status XvMCCompositeSubpicture(Display *dpy, XvMCSubpicture *subpicture, XvImage *image,
347                               short srcx, short srcy, unsigned short width, unsigned short height,
348                               short dstx, short dsty)
349{
350   XvMCSubpicturePrivate *subpicture_priv;
351   XvMCContextPrivate *context_priv;
352   struct pipe_context *pipe;
353   struct pipe_box dst_box = {dstx, dsty, 0, width, height, 1};
354   unsigned src_stride;
355
356   XVMC_MSG(XVMC_TRACE, "[XvMC] Compositing subpicture %p.\n", subpicture);
357
358   assert(dpy);
359
360   if (!subpicture)
361      return XvMCBadSubpicture;
362
363   assert(image);
364
365   if (subpicture->xvimage_id != image->id)
366      return BadMatch;
367
368   /* No planar support for now */
369   if (image->num_planes != 1)
370      return BadMatch;
371
372   subpicture_priv = subpicture->privData;
373   context_priv = subpicture_priv->context->privData;
374   pipe = context_priv->pipe;
375
376   /* clipping should be done by upload_sampler and regardles what the documentation
377   says image->pitches[0] doesn't seems to be in bytes, so don't use it */
378   src_stride = image->width * util_format_get_blocksize(subpicture_priv->sampler->texture->format);
379   upload_sampler(pipe, subpicture_priv->sampler, &dst_box, image->data, src_stride, srcx, srcy);
380
381   XVMC_MSG(XVMC_TRACE, "[XvMC] Subpicture %p composited.\n", subpicture);
382
383   return Success;
384}
385
386PUBLIC
387Status XvMCDestroySubpicture(Display *dpy, XvMCSubpicture *subpicture)
388{
389   XvMCSubpicturePrivate *subpicture_priv;
390
391   XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying subpicture %p.\n", subpicture);
392
393   assert(dpy);
394
395   if (!subpicture)
396      return XvMCBadSubpicture;
397
398   subpicture_priv = subpicture->privData;
399   pipe_sampler_view_reference(&subpicture_priv->sampler, NULL);
400   pipe_sampler_view_reference(&subpicture_priv->palette, NULL);
401   FREE(subpicture_priv);
402
403   XVMC_MSG(XVMC_TRACE, "[XvMC] Subpicture %p destroyed.\n", subpicture);
404
405   return Success;
406}
407
408PUBLIC
409Status XvMCSetSubpicturePalette(Display *dpy, XvMCSubpicture *subpicture, unsigned char *palette)
410{
411   XvMCSubpicturePrivate *subpicture_priv;
412   XvMCContextPrivate *context_priv;
413   struct pipe_context *pipe;
414   struct pipe_box dst_box = {0, 0, 0, 0, 1, 1};
415
416   assert(dpy);
417   assert(palette);
418
419   if (!subpicture)
420      return XvMCBadSubpicture;
421
422   subpicture_priv = subpicture->privData;
423   context_priv = subpicture_priv->context->privData;
424   pipe = context_priv->pipe;
425
426   dst_box.width = subpicture->num_palette_entries;
427
428   upload_sampler(pipe, subpicture_priv->palette, &dst_box, palette, 0, 0, 0);
429
430   XVMC_MSG(XVMC_TRACE, "[XvMC] Palette of Subpicture %p set.\n", subpicture);
431
432   return Success;
433}
434
435PUBLIC
436Status XvMCBlendSubpicture(Display *dpy, XvMCSurface *target_surface, XvMCSubpicture *subpicture,
437                           short subx, short suby, unsigned short subw, unsigned short subh,
438                           short surfx, short surfy, unsigned short surfw, unsigned short surfh)
439{
440   struct u_rect src_rect = {subx, subx + subw, suby, suby + subh};
441   struct u_rect dst_rect = {surfx, surfx + surfw, surfy, surfy + surfh};
442
443   XvMCSurfacePrivate *surface_priv;
444   XvMCSubpicturePrivate *subpicture_priv;
445
446   XVMC_MSG(XVMC_TRACE, "[XvMC] Associating subpicture %p with surface %p.\n", subpicture, target_surface);
447
448   assert(dpy);
449
450   if (!target_surface)
451      return XvMCBadSurface;
452
453   if (!subpicture)
454      return XvMCBadSubpicture;
455
456   if (target_surface->context_id != subpicture->context_id)
457      return BadMatch;
458
459   /* TODO: Verify against subpicture independent scaling */
460
461   surface_priv = target_surface->privData;
462   subpicture_priv = subpicture->privData;
463
464   /* TODO: Assert rects are within bounds? Or clip? */
465   subpicture_priv->src_rect = src_rect;
466   subpicture_priv->dst_rect = dst_rect;
467
468   surface_priv->subpicture = subpicture;
469   subpicture_priv->surface = target_surface;
470
471   return Success;
472}
473
474PUBLIC
475Status XvMCBlendSubpicture2(Display *dpy, XvMCSurface *source_surface, XvMCSurface *target_surface,
476                            XvMCSubpicture *subpicture, short subx, short suby, unsigned short subw, unsigned short subh,
477                            short surfx, short surfy, unsigned short surfw, unsigned short surfh)
478{
479   assert(dpy);
480
481   if (!source_surface || !target_surface)
482      return XvMCBadSurface;
483
484   if (!subpicture)
485      return XvMCBadSubpicture;
486
487   if (source_surface->context_id != subpicture->context_id)
488      return BadMatch;
489
490   if (source_surface->context_id != subpicture->context_id)
491      return BadMatch;
492
493   /* TODO: Assert rects are within bounds? Or clip? */
494
495   return Success;
496}
497
498PUBLIC
499Status XvMCSyncSubpicture(Display *dpy, XvMCSubpicture *subpicture)
500{
501   assert(dpy);
502
503   if (!subpicture)
504      return XvMCBadSubpicture;
505
506   return Success;
507}
508
509PUBLIC
510Status XvMCFlushSubpicture(Display *dpy, XvMCSubpicture *subpicture)
511{
512   assert(dpy);
513
514   if (!subpicture)
515      return XvMCBadSubpicture;
516
517   return Success;
518}
519
520PUBLIC
521Status XvMCGetSubpictureStatus(Display *dpy, XvMCSubpicture *subpicture, int *status)
522{
523   assert(dpy);
524
525   if (!subpicture)
526      return XvMCBadSubpicture;
527
528   assert(status);
529
530   /* TODO */
531   *status = 0;
532
533   return Success;
534}
535