1/**************************************************************************
2 *
3 * Copyright 2010 Thomas Balling Sørensen.
4 * Copyright 2011 Christian König.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28
29#include <vdpau/vdpau.h>
30
31#include "util/u_debug.h"
32#include "util/u_memory.h"
33#include "util/u_sampler.h"
34#include "util/u_format.h"
35#include "util/u_surface.h"
36
37#include "vl/vl_csc.h"
38
39#include "state_tracker/drm_driver.h"
40
41#include "vdpau_private.h"
42
43/**
44 * Create a VdpOutputSurface.
45 */
46VdpStatus
47vlVdpOutputSurfaceCreate(VdpDevice device,
48                         VdpRGBAFormat rgba_format,
49                         uint32_t width, uint32_t height,
50                         VdpOutputSurface  *surface)
51{
52   struct pipe_context *pipe;
53   struct pipe_resource res_tmpl, *res;
54   struct pipe_sampler_view sv_templ;
55   struct pipe_surface surf_templ;
56
57   vlVdpOutputSurface *vlsurface = NULL;
58
59   if (!(width && height))
60      return VDP_STATUS_INVALID_SIZE;
61
62   vlVdpDevice *dev = vlGetDataHTAB(device);
63   if (!dev)
64      return VDP_STATUS_INVALID_HANDLE;
65
66   pipe = dev->context;
67   if (!pipe)
68      return VDP_STATUS_INVALID_HANDLE;
69
70   vlsurface = CALLOC(1, sizeof(vlVdpOutputSurface));
71   if (!vlsurface)
72      return VDP_STATUS_RESOURCES;
73
74   DeviceReference(&vlsurface->device, dev);
75
76   memset(&res_tmpl, 0, sizeof(res_tmpl));
77
78   /*
79    * The output won't look correctly when this buffer is send to X,
80    * if the VDPAU RGB component order doesn't match the X11 one so
81    * we only allow the X11 format
82    */
83   vlsurface->send_to_X = dev->vscreen->color_depth == 24 &&
84      rgba_format == VDP_RGBA_FORMAT_B8G8R8A8;
85
86   res_tmpl.target = PIPE_TEXTURE_2D;
87   res_tmpl.format = VdpFormatRGBAToPipe(rgba_format);
88   res_tmpl.width0 = width;
89   res_tmpl.height0 = height;
90   res_tmpl.depth0 = 1;
91   res_tmpl.array_size = 1;
92   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET |
93                   PIPE_BIND_SHARED | PIPE_BIND_SCANOUT;
94   res_tmpl.usage = PIPE_USAGE_DEFAULT;
95
96   mtx_lock(&dev->mutex);
97
98   if (!CheckSurfaceParams(pipe->screen, &res_tmpl))
99      goto err_unlock;
100
101   res = pipe->screen->resource_create(pipe->screen, &res_tmpl);
102   if (!res)
103      goto err_unlock;
104
105   vlVdpDefaultSamplerViewTemplate(&sv_templ, res);
106   vlsurface->sampler_view = pipe->create_sampler_view(pipe, res, &sv_templ);
107   if (!vlsurface->sampler_view)
108      goto err_resource;
109
110   memset(&surf_templ, 0, sizeof(surf_templ));
111   surf_templ.format = res->format;
112   vlsurface->surface = pipe->create_surface(pipe, res, &surf_templ);
113   if (!vlsurface->surface)
114      goto err_resource;
115
116   *surface = vlAddDataHTAB(vlsurface);
117   if (*surface == 0)
118      goto err_resource;
119
120   pipe_resource_reference(&res, NULL);
121
122   if (!vl_compositor_init_state(&vlsurface->cstate, pipe))
123      goto err_resource;
124
125   vl_compositor_reset_dirty_area(&vlsurface->dirty_area);
126   mtx_unlock(&dev->mutex);
127
128   return VDP_STATUS_OK;
129
130err_resource:
131   pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
132   pipe_surface_reference(&vlsurface->surface, NULL);
133   pipe_resource_reference(&res, NULL);
134err_unlock:
135   mtx_unlock(&dev->mutex);
136   DeviceReference(&vlsurface->device, NULL);
137   FREE(vlsurface);
138   return VDP_STATUS_ERROR;
139}
140
141/**
142 * Destroy a VdpOutputSurface.
143 */
144VdpStatus
145vlVdpOutputSurfaceDestroy(VdpOutputSurface surface)
146{
147   vlVdpOutputSurface *vlsurface;
148   struct pipe_context *pipe;
149
150   vlsurface = vlGetDataHTAB(surface);
151   if (!vlsurface)
152      return VDP_STATUS_INVALID_HANDLE;
153
154   pipe = vlsurface->device->context;
155
156   mtx_lock(&vlsurface->device->mutex);
157
158   pipe_surface_reference(&vlsurface->surface, NULL);
159   pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
160   pipe->screen->fence_reference(pipe->screen, &vlsurface->fence, NULL);
161   vl_compositor_cleanup_state(&vlsurface->cstate);
162   mtx_unlock(&vlsurface->device->mutex);
163
164   vlRemoveDataHTAB(surface);
165   DeviceReference(&vlsurface->device, NULL);
166   FREE(vlsurface);
167
168   return VDP_STATUS_OK;
169}
170
171/**
172 * Retrieve the parameters used to create a VdpOutputSurface.
173 */
174VdpStatus
175vlVdpOutputSurfaceGetParameters(VdpOutputSurface surface,
176                                VdpRGBAFormat *rgba_format,
177                                uint32_t *width, uint32_t *height)
178{
179   vlVdpOutputSurface *vlsurface;
180
181   vlsurface = vlGetDataHTAB(surface);
182   if (!vlsurface)
183      return VDP_STATUS_INVALID_HANDLE;
184
185   *rgba_format = PipeToFormatRGBA(vlsurface->sampler_view->texture->format);
186   *width = vlsurface->sampler_view->texture->width0;
187   *height = vlsurface->sampler_view->texture->height0;
188
189   return VDP_STATUS_OK;
190}
191
192/**
193 * Copy image data from a VdpOutputSurface to application memory in the
194 * surface's native format.
195 */
196VdpStatus
197vlVdpOutputSurfaceGetBitsNative(VdpOutputSurface surface,
198                                VdpRect const *source_rect,
199                                void *const *destination_data,
200                                uint32_t const *destination_pitches)
201{
202   vlVdpOutputSurface *vlsurface;
203   struct pipe_context *pipe;
204   struct pipe_resource *res;
205   struct pipe_box box;
206   struct pipe_transfer *transfer;
207   uint8_t *map;
208
209   vlsurface = vlGetDataHTAB(surface);
210   if (!vlsurface)
211      return VDP_STATUS_INVALID_HANDLE;
212
213   pipe = vlsurface->device->context;
214   if (!pipe)
215      return VDP_STATUS_INVALID_HANDLE;
216
217   if (!destination_data || !destination_pitches)
218       return VDP_STATUS_INVALID_POINTER;
219
220   mtx_lock(&vlsurface->device->mutex);
221
222   res = vlsurface->sampler_view->texture;
223   box = RectToPipeBox(source_rect, res);
224   map = pipe->transfer_map(pipe, res, 0, PIPE_TRANSFER_READ, &box, &transfer);
225   if (!map) {
226      mtx_unlock(&vlsurface->device->mutex);
227      return VDP_STATUS_RESOURCES;
228   }
229
230   util_copy_rect(*destination_data, res->format, *destination_pitches, 0, 0,
231                  box.width, box.height, map, transfer->stride, 0, 0);
232
233   pipe_transfer_unmap(pipe, transfer);
234   mtx_unlock(&vlsurface->device->mutex);
235
236   return VDP_STATUS_OK;
237}
238
239/**
240 * Copy image data from application memory in the surface's native format to
241 * a VdpOutputSurface.
242 */
243VdpStatus
244vlVdpOutputSurfacePutBitsNative(VdpOutputSurface surface,
245                                void const *const *source_data,
246                                uint32_t const *source_pitches,
247                                VdpRect const *destination_rect)
248{
249   vlVdpOutputSurface *vlsurface;
250   struct pipe_box dst_box;
251   struct pipe_context *pipe;
252
253   vlsurface = vlGetDataHTAB(surface);
254   if (!vlsurface)
255      return VDP_STATUS_INVALID_HANDLE;
256
257   pipe = vlsurface->device->context;
258   if (!pipe)
259      return VDP_STATUS_INVALID_HANDLE;
260
261   if (!source_data || !source_pitches)
262       return VDP_STATUS_INVALID_POINTER;
263
264   mtx_lock(&vlsurface->device->mutex);
265
266   dst_box = RectToPipeBox(destination_rect, vlsurface->sampler_view->texture);
267
268   /* Check for a no-op. (application bug?) */
269   if (!dst_box.width || !dst_box.height) {
270      mtx_unlock(&vlsurface->device->mutex);
271      return VDP_STATUS_OK;
272   }
273
274   pipe->texture_subdata(pipe, vlsurface->sampler_view->texture, 0,
275                         PIPE_TRANSFER_WRITE, &dst_box, *source_data,
276                         *source_pitches, 0);
277   mtx_unlock(&vlsurface->device->mutex);
278
279   return VDP_STATUS_OK;
280}
281
282/**
283 * Copy image data from application memory in a specific indexed format to
284 * a VdpOutputSurface.
285 */
286VdpStatus
287vlVdpOutputSurfacePutBitsIndexed(VdpOutputSurface surface,
288                                 VdpIndexedFormat source_indexed_format,
289                                 void const *const *source_data,
290                                 uint32_t const *source_pitch,
291                                 VdpRect const *destination_rect,
292                                 VdpColorTableFormat color_table_format,
293                                 void const *color_table)
294{
295   vlVdpOutputSurface *vlsurface;
296   struct pipe_context *context;
297   struct vl_compositor *compositor;
298   struct vl_compositor_state *cstate;
299
300   enum pipe_format index_format;
301   enum pipe_format colortbl_format;
302
303   struct pipe_resource *res, res_tmpl;
304   struct pipe_sampler_view sv_tmpl;
305   struct pipe_sampler_view *sv_idx = NULL, *sv_tbl = NULL;
306
307   struct pipe_box box;
308   struct u_rect dst_rect;
309
310   vlsurface = vlGetDataHTAB(surface);
311   if (!vlsurface)
312      return VDP_STATUS_INVALID_HANDLE;
313
314   context = vlsurface->device->context;
315   compositor = &vlsurface->device->compositor;
316   cstate = &vlsurface->cstate;
317
318   index_format = FormatIndexedToPipe(source_indexed_format);
319   if (index_format == PIPE_FORMAT_NONE)
320       return VDP_STATUS_INVALID_INDEXED_FORMAT;
321
322   if (!source_data || !source_pitch)
323       return VDP_STATUS_INVALID_POINTER;
324
325   colortbl_format = FormatColorTableToPipe(color_table_format);
326   if (colortbl_format == PIPE_FORMAT_NONE)
327       return VDP_STATUS_INVALID_COLOR_TABLE_FORMAT;
328
329   if (!color_table)
330       return VDP_STATUS_INVALID_POINTER;
331
332   memset(&res_tmpl, 0, sizeof(res_tmpl));
333   res_tmpl.target = PIPE_TEXTURE_2D;
334   res_tmpl.format = index_format;
335
336   if (destination_rect) {
337      res_tmpl.width0 = abs(destination_rect->x0-destination_rect->x1);
338      res_tmpl.height0 = abs(destination_rect->y0-destination_rect->y1);
339   } else {
340      res_tmpl.width0 = vlsurface->surface->texture->width0;
341      res_tmpl.height0 = vlsurface->surface->texture->height0;
342   }
343   res_tmpl.depth0 = 1;
344   res_tmpl.array_size = 1;
345   res_tmpl.usage = PIPE_USAGE_STAGING;
346   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
347
348   mtx_lock(&vlsurface->device->mutex);
349
350   if (!CheckSurfaceParams(context->screen, &res_tmpl))
351      goto error_resource;
352
353   res = context->screen->resource_create(context->screen, &res_tmpl);
354   if (!res)
355      goto error_resource;
356
357   box.x = box.y = box.z = 0;
358   box.width = res->width0;
359   box.height = res->height0;
360   box.depth = res->depth0;
361
362   context->texture_subdata(context, res, 0, PIPE_TRANSFER_WRITE, &box,
363                            source_data[0], source_pitch[0],
364                            source_pitch[0] * res->height0);
365
366   memset(&sv_tmpl, 0, sizeof(sv_tmpl));
367   u_sampler_view_default_template(&sv_tmpl, res, res->format);
368
369   sv_idx = context->create_sampler_view(context, res, &sv_tmpl);
370   pipe_resource_reference(&res, NULL);
371
372   if (!sv_idx)
373      goto error_resource;
374
375   memset(&res_tmpl, 0, sizeof(res_tmpl));
376   res_tmpl.target = PIPE_TEXTURE_1D;
377   res_tmpl.format = colortbl_format;
378   res_tmpl.width0 = 1 << util_format_get_component_bits(
379      index_format, UTIL_FORMAT_COLORSPACE_RGB, 0);
380   res_tmpl.height0 = 1;
381   res_tmpl.depth0 = 1;
382   res_tmpl.array_size = 1;
383   res_tmpl.usage = PIPE_USAGE_STAGING;
384   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
385
386   res = context->screen->resource_create(context->screen, &res_tmpl);
387   if (!res)
388      goto error_resource;
389
390   box.x = box.y = box.z = 0;
391   box.width = res->width0;
392   box.height = res->height0;
393   box.depth = res->depth0;
394
395   context->texture_subdata(context, res, 0, PIPE_TRANSFER_WRITE, &box, color_table,
396                            util_format_get_stride(colortbl_format, res->width0), 0);
397
398   memset(&sv_tmpl, 0, sizeof(sv_tmpl));
399   u_sampler_view_default_template(&sv_tmpl, res, res->format);
400
401   sv_tbl = context->create_sampler_view(context, res, &sv_tmpl);
402   pipe_resource_reference(&res, NULL);
403
404   if (!sv_tbl)
405      goto error_resource;
406
407   vl_compositor_clear_layers(cstate);
408   vl_compositor_set_palette_layer(cstate, compositor, 0, sv_idx, sv_tbl, NULL, NULL, false);
409   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
410   vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
411
412   pipe_sampler_view_reference(&sv_idx, NULL);
413   pipe_sampler_view_reference(&sv_tbl, NULL);
414   mtx_unlock(&vlsurface->device->mutex);
415
416   return VDP_STATUS_OK;
417
418error_resource:
419   pipe_sampler_view_reference(&sv_idx, NULL);
420   pipe_sampler_view_reference(&sv_tbl, NULL);
421   mtx_unlock(&vlsurface->device->mutex);
422   return VDP_STATUS_RESOURCES;
423}
424
425/**
426 * Copy image data from application memory in a specific YCbCr format to
427 * a VdpOutputSurface.
428 */
429VdpStatus
430vlVdpOutputSurfacePutBitsYCbCr(VdpOutputSurface surface,
431                               VdpYCbCrFormat source_ycbcr_format,
432                               void const *const *source_data,
433                               uint32_t const *source_pitches,
434                               VdpRect const *destination_rect,
435                               VdpCSCMatrix const *csc_matrix)
436{
437   vlVdpOutputSurface *vlsurface;
438   struct vl_compositor *compositor;
439   struct vl_compositor_state *cstate;
440
441   struct pipe_context *pipe;
442   enum pipe_format format;
443   struct pipe_video_buffer vtmpl, *vbuffer;
444   struct u_rect dst_rect;
445   struct pipe_sampler_view **sampler_views;
446
447   unsigned i;
448
449   vlsurface = vlGetDataHTAB(surface);
450   if (!vlsurface)
451      return VDP_STATUS_INVALID_HANDLE;
452
453
454   pipe = vlsurface->device->context;
455   compositor = &vlsurface->device->compositor;
456   cstate = &vlsurface->cstate;
457
458   format = FormatYCBCRToPipe(source_ycbcr_format);
459   if (format == PIPE_FORMAT_NONE)
460       return VDP_STATUS_INVALID_Y_CB_CR_FORMAT;
461
462   if (!source_data || !source_pitches)
463       return VDP_STATUS_INVALID_POINTER;
464
465   mtx_lock(&vlsurface->device->mutex);
466   memset(&vtmpl, 0, sizeof(vtmpl));
467   vtmpl.buffer_format = format;
468   vtmpl.chroma_format = FormatYCBCRToPipeChroma(source_ycbcr_format);
469
470   if (destination_rect) {
471      vtmpl.width = abs(destination_rect->x0-destination_rect->x1);
472      vtmpl.height = abs(destination_rect->y0-destination_rect->y1);
473   } else {
474      vtmpl.width = vlsurface->surface->texture->width0;
475      vtmpl.height = vlsurface->surface->texture->height0;
476   }
477
478   vbuffer = pipe->create_video_buffer(pipe, &vtmpl);
479   if (!vbuffer) {
480      mtx_unlock(&vlsurface->device->mutex);
481      return VDP_STATUS_RESOURCES;
482   }
483
484   sampler_views = vbuffer->get_sampler_view_planes(vbuffer);
485   if (!sampler_views) {
486      vbuffer->destroy(vbuffer);
487      mtx_unlock(&vlsurface->device->mutex);
488      return VDP_STATUS_RESOURCES;
489   }
490
491   for (i = 0; i < 3; ++i) {
492      struct pipe_sampler_view *sv = sampler_views[i];
493      if (!sv) continue;
494
495      struct pipe_box dst_box = {
496         0, 0, 0,
497         sv->texture->width0, sv->texture->height0, 1
498      };
499
500      pipe->texture_subdata(pipe, sv->texture, 0, PIPE_TRANSFER_WRITE, &dst_box,
501                            source_data[i], source_pitches[i], 0);
502   }
503
504   if (!csc_matrix) {
505      vl_csc_matrix csc;
506      vl_csc_get_matrix(VL_CSC_COLOR_STANDARD_BT_601, NULL, 1, &csc);
507      if (!vl_compositor_set_csc_matrix(cstate, (const vl_csc_matrix*)&csc, 1.0f, 0.0f))
508         goto err_csc_matrix;
509   } else {
510      if (!vl_compositor_set_csc_matrix(cstate, csc_matrix, 1.0f, 0.0f))
511         goto err_csc_matrix;
512   }
513
514   vl_compositor_clear_layers(cstate);
515   vl_compositor_set_buffer_layer(cstate, compositor, 0, vbuffer, NULL, NULL, VL_COMPOSITOR_WEAVE);
516   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
517   vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
518
519   vbuffer->destroy(vbuffer);
520   mtx_unlock(&vlsurface->device->mutex);
521
522   return VDP_STATUS_OK;
523err_csc_matrix:
524   vbuffer->destroy(vbuffer);
525   mtx_unlock(&vlsurface->device->mutex);
526   return VDP_STATUS_ERROR;
527}
528
529static unsigned
530BlendFactorToPipe(VdpOutputSurfaceRenderBlendFactor factor)
531{
532   switch (factor) {
533   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ZERO:
534      return PIPE_BLENDFACTOR_ZERO;
535   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE:
536      return PIPE_BLENDFACTOR_ONE;
537   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_COLOR:
538      return PIPE_BLENDFACTOR_SRC_COLOR;
539   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_COLOR:
540      return PIPE_BLENDFACTOR_INV_SRC_COLOR;
541   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA:
542      return PIPE_BLENDFACTOR_SRC_ALPHA;
543   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA:
544      return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
545   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_ALPHA:
546      return PIPE_BLENDFACTOR_DST_ALPHA;
547   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_ALPHA:
548      return PIPE_BLENDFACTOR_INV_DST_ALPHA;
549   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_COLOR:
550      return PIPE_BLENDFACTOR_DST_COLOR;
551   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_COLOR:
552      return PIPE_BLENDFACTOR_INV_DST_COLOR;
553   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA_SATURATE:
554      return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;
555   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_COLOR:
556      return PIPE_BLENDFACTOR_CONST_COLOR;
557   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR:
558      return PIPE_BLENDFACTOR_INV_CONST_COLOR;
559   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_ALPHA:
560      return PIPE_BLENDFACTOR_CONST_ALPHA;
561   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA:
562      return PIPE_BLENDFACTOR_INV_CONST_ALPHA;
563   default:
564      assert(0);
565      return PIPE_BLENDFACTOR_ONE;
566   }
567}
568
569static unsigned
570BlendEquationToPipe(VdpOutputSurfaceRenderBlendEquation equation)
571{
572   switch (equation) {
573   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_SUBTRACT:
574      return PIPE_BLEND_SUBTRACT;
575   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_REVERSE_SUBTRACT:
576      return PIPE_BLEND_REVERSE_SUBTRACT;
577   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_ADD:
578      return PIPE_BLEND_ADD;
579   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MIN:
580      return PIPE_BLEND_MIN;
581   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MAX:
582      return PIPE_BLEND_MAX;
583   default:
584      assert(0);
585      return PIPE_BLEND_ADD;
586   }
587}
588
589static void *
590BlenderToPipe(struct pipe_context *context,
591              VdpOutputSurfaceRenderBlendState const *blend_state)
592{
593   struct pipe_blend_state blend;
594
595   memset(&blend, 0, sizeof blend);
596   blend.independent_blend_enable = 0;
597
598   if (blend_state) {
599      blend.rt[0].blend_enable = 1;
600      blend.rt[0].rgb_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_color);
601      blend.rt[0].rgb_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_color);
602      blend.rt[0].alpha_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_alpha);
603      blend.rt[0].alpha_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_alpha);
604      blend.rt[0].rgb_func = BlendEquationToPipe(blend_state->blend_equation_color);
605      blend.rt[0].alpha_func = BlendEquationToPipe(blend_state->blend_equation_alpha);
606   } else {
607      blend.rt[0].blend_enable = 0;
608   }
609
610   blend.logicop_enable = 0;
611   blend.logicop_func = PIPE_LOGICOP_CLEAR;
612   blend.rt[0].colormask = PIPE_MASK_RGBA;
613   blend.dither = 0;
614
615   return context->create_blend_state(context, &blend);
616}
617
618static struct vertex4f *
619ColorsToPipe(VdpColor const *colors, uint32_t flags, struct vertex4f result[4])
620{
621   unsigned i;
622   struct vertex4f *dst = result;
623
624   if (!colors)
625      return NULL;
626
627   for (i = 0; i < 4; ++i) {
628      dst->x = colors->red;
629      dst->y = colors->green;
630      dst->z = colors->blue;
631      dst->w = colors->alpha;
632
633      ++dst;
634      if (flags & VDP_OUTPUT_SURFACE_RENDER_COLOR_PER_VERTEX)
635         ++colors;
636   }
637   return result;
638}
639
640/**
641 * Composite a sub-rectangle of a VdpOutputSurface into a sub-rectangle of
642 * another VdpOutputSurface; Output Surface object VdpOutputSurface.
643 */
644VdpStatus
645vlVdpOutputSurfaceRenderOutputSurface(VdpOutputSurface destination_surface,
646                                      VdpRect const *destination_rect,
647                                      VdpOutputSurface source_surface,
648                                      VdpRect const *source_rect,
649                                      VdpColor const *colors,
650                                      VdpOutputSurfaceRenderBlendState const *blend_state,
651                                      uint32_t flags)
652{
653   vlVdpOutputSurface *dst_vlsurface;
654
655   struct pipe_context *context;
656   struct pipe_sampler_view *src_sv;
657   struct vl_compositor *compositor;
658   struct vl_compositor_state *cstate;
659
660   struct u_rect src_rect, dst_rect;
661
662   struct vertex4f vlcolors[4];
663   void *blend;
664
665   dst_vlsurface = vlGetDataHTAB(destination_surface);
666   if (!dst_vlsurface)
667      return VDP_STATUS_INVALID_HANDLE;
668
669   if (source_surface == VDP_INVALID_HANDLE) {
670      src_sv = dst_vlsurface->device->dummy_sv;
671
672   } else {
673      vlVdpOutputSurface *src_vlsurface = vlGetDataHTAB(source_surface);
674      if (!src_vlsurface)
675         return VDP_STATUS_INVALID_HANDLE;
676
677      if (dst_vlsurface->device != src_vlsurface->device)
678         return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
679
680      src_sv = src_vlsurface->sampler_view;
681   }
682
683   mtx_lock(&dst_vlsurface->device->mutex);
684
685   context = dst_vlsurface->device->context;
686   compositor = &dst_vlsurface->device->compositor;
687   cstate = &dst_vlsurface->cstate;
688
689   blend = BlenderToPipe(context, blend_state);
690
691   vl_compositor_clear_layers(cstate);
692   vl_compositor_set_layer_blend(cstate, 0, blend, false);
693   vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
694                                RectToPipe(source_rect, &src_rect), NULL,
695                                ColorsToPipe(colors, flags, vlcolors));
696   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_0 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_0);
697   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_90 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_90);
698   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_180 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_180);
699   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_270 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_270);
700   vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
701   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
702   vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
703
704   context->delete_blend_state(context, blend);
705   mtx_unlock(&dst_vlsurface->device->mutex);
706
707   return VDP_STATUS_OK;
708}
709
710/**
711 * Composite a sub-rectangle of a VdpBitmapSurface into a sub-rectangle of
712 * a VdpOutputSurface; Output Surface object VdpOutputSurface.
713 */
714VdpStatus
715vlVdpOutputSurfaceRenderBitmapSurface(VdpOutputSurface destination_surface,
716                                      VdpRect const *destination_rect,
717                                      VdpBitmapSurface source_surface,
718                                      VdpRect const *source_rect,
719                                      VdpColor const *colors,
720                                      VdpOutputSurfaceRenderBlendState const *blend_state,
721                                      uint32_t flags)
722{
723   vlVdpOutputSurface *dst_vlsurface;
724
725   struct pipe_context *context;
726   struct pipe_sampler_view *src_sv;
727   struct vl_compositor *compositor;
728   struct vl_compositor_state *cstate;
729
730   struct u_rect src_rect, dst_rect;
731
732   struct vertex4f vlcolors[4];
733   void *blend;
734
735   dst_vlsurface = vlGetDataHTAB(destination_surface);
736   if (!dst_vlsurface)
737      return VDP_STATUS_INVALID_HANDLE;
738
739   if (source_surface == VDP_INVALID_HANDLE) {
740      src_sv = dst_vlsurface->device->dummy_sv;
741
742   } else {
743      vlVdpBitmapSurface *src_vlsurface = vlGetDataHTAB(source_surface);
744      if (!src_vlsurface)
745         return VDP_STATUS_INVALID_HANDLE;
746
747      if (dst_vlsurface->device != src_vlsurface->device)
748         return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
749
750      src_sv = src_vlsurface->sampler_view;
751   }
752
753   context = dst_vlsurface->device->context;
754   compositor = &dst_vlsurface->device->compositor;
755   cstate = &dst_vlsurface->cstate;
756
757   mtx_lock(&dst_vlsurface->device->mutex);
758
759   blend = BlenderToPipe(context, blend_state);
760
761   vl_compositor_clear_layers(cstate);
762   vl_compositor_set_layer_blend(cstate, 0, blend, false);
763   vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
764                                RectToPipe(source_rect, &src_rect), NULL,
765                                ColorsToPipe(colors, flags, vlcolors));
766   vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
767   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
768   vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
769
770   context->delete_blend_state(context, blend);
771   mtx_unlock(&dst_vlsurface->device->mutex);
772
773   return VDP_STATUS_OK;
774}
775
776struct pipe_resource *vlVdpOutputSurfaceGallium(VdpOutputSurface surface)
777{
778   vlVdpOutputSurface *vlsurface;
779
780   vlsurface = vlGetDataHTAB(surface);
781   if (!vlsurface || !vlsurface->surface)
782      return NULL;
783
784   mtx_lock(&vlsurface->device->mutex);
785   vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
786   mtx_unlock(&vlsurface->device->mutex);
787
788   return vlsurface->surface->texture;
789}
790
791VdpStatus vlVdpOutputSurfaceDMABuf(VdpOutputSurface surface,
792                                   struct VdpSurfaceDMABufDesc *result)
793{
794   vlVdpOutputSurface *vlsurface;
795   struct pipe_screen *pscreen;
796   struct winsys_handle whandle;
797
798   memset(result, 0, sizeof(*result));
799   result->handle = -1;
800
801   vlsurface = vlGetDataHTAB(surface);
802   if (!vlsurface || !vlsurface->surface)
803      return VDP_STATUS_INVALID_HANDLE;
804
805   mtx_lock(&vlsurface->device->mutex);
806   vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
807
808   memset(&whandle, 0, sizeof(struct winsys_handle));
809   whandle.type = WINSYS_HANDLE_TYPE_FD;
810
811   pscreen = vlsurface->surface->texture->screen;
812   if (!pscreen->resource_get_handle(pscreen, vlsurface->device->context,
813                                     vlsurface->surface->texture, &whandle,
814                                     PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE)) {
815      mtx_unlock(&vlsurface->device->mutex);
816      return VDP_STATUS_NO_IMPLEMENTATION;
817   }
818
819   mtx_unlock(&vlsurface->device->mutex);
820
821   result->handle = whandle.handle;
822   result->width = vlsurface->surface->width;
823   result->height = vlsurface->surface->height;
824   result->offset = whandle.offset;
825   result->stride = whandle.stride;
826   result->format = PipeToFormatRGBA(vlsurface->surface->format);
827
828   return VDP_STATUS_OK;
829}
830