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/format/u_format.h"
35#include "util/u_surface.h"
36
37#include "vl/vl_csc.h"
38
39#include "frontend/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->texture_map(pipe, res, 0, PIPE_MAP_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_texture_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_MAP_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      if (destination_rect->x1 > destination_rect->x0 &&
338          destination_rect->y1 > destination_rect->y0) {
339         res_tmpl.width0 = destination_rect->x1 - destination_rect->x0;
340         res_tmpl.height0 = destination_rect->y1 - destination_rect->y0;
341      }
342   } else {
343      res_tmpl.width0 = vlsurface->surface->texture->width0;
344      res_tmpl.height0 = vlsurface->surface->texture->height0;
345   }
346   res_tmpl.depth0 = 1;
347   res_tmpl.array_size = 1;
348   res_tmpl.usage = PIPE_USAGE_STAGING;
349   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
350
351   mtx_lock(&vlsurface->device->mutex);
352
353   if (!CheckSurfaceParams(context->screen, &res_tmpl))
354      goto error_resource;
355
356   res = context->screen->resource_create(context->screen, &res_tmpl);
357   if (!res)
358      goto error_resource;
359
360   box.x = box.y = box.z = 0;
361   box.width = res->width0;
362   box.height = res->height0;
363   box.depth = res->depth0;
364
365   context->texture_subdata(context, res, 0, PIPE_MAP_WRITE, &box,
366                            source_data[0], source_pitch[0],
367                            source_pitch[0] * res->height0);
368
369   memset(&sv_tmpl, 0, sizeof(sv_tmpl));
370   u_sampler_view_default_template(&sv_tmpl, res, res->format);
371
372   sv_idx = context->create_sampler_view(context, res, &sv_tmpl);
373   pipe_resource_reference(&res, NULL);
374
375   if (!sv_idx)
376      goto error_resource;
377
378   memset(&res_tmpl, 0, sizeof(res_tmpl));
379   res_tmpl.target = PIPE_TEXTURE_1D;
380   res_tmpl.format = colortbl_format;
381   res_tmpl.width0 = 1 << util_format_get_component_bits(
382      index_format, UTIL_FORMAT_COLORSPACE_RGB, 0);
383   res_tmpl.height0 = 1;
384   res_tmpl.depth0 = 1;
385   res_tmpl.array_size = 1;
386   res_tmpl.usage = PIPE_USAGE_STAGING;
387   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
388
389   res = context->screen->resource_create(context->screen, &res_tmpl);
390   if (!res)
391      goto error_resource;
392
393   box.x = box.y = box.z = 0;
394   box.width = res->width0;
395   box.height = res->height0;
396   box.depth = res->depth0;
397
398   context->texture_subdata(context, res, 0, PIPE_MAP_WRITE, &box, color_table,
399                            util_format_get_stride(colortbl_format, res->width0), 0);
400
401   memset(&sv_tmpl, 0, sizeof(sv_tmpl));
402   u_sampler_view_default_template(&sv_tmpl, res, res->format);
403
404   sv_tbl = context->create_sampler_view(context, res, &sv_tmpl);
405   pipe_resource_reference(&res, NULL);
406
407   if (!sv_tbl)
408      goto error_resource;
409
410   vl_compositor_clear_layers(cstate);
411   vl_compositor_set_palette_layer(cstate, compositor, 0, sv_idx, sv_tbl, NULL, NULL, false);
412   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
413   vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
414
415   pipe_sampler_view_reference(&sv_idx, NULL);
416   pipe_sampler_view_reference(&sv_tbl, NULL);
417   mtx_unlock(&vlsurface->device->mutex);
418
419   return VDP_STATUS_OK;
420
421error_resource:
422   pipe_sampler_view_reference(&sv_idx, NULL);
423   pipe_sampler_view_reference(&sv_tbl, NULL);
424   mtx_unlock(&vlsurface->device->mutex);
425   return VDP_STATUS_RESOURCES;
426}
427
428/**
429 * Copy image data from application memory in a specific YCbCr format to
430 * a VdpOutputSurface.
431 */
432VdpStatus
433vlVdpOutputSurfacePutBitsYCbCr(VdpOutputSurface surface,
434                               VdpYCbCrFormat source_ycbcr_format,
435                               void const *const *source_data,
436                               uint32_t const *source_pitches,
437                               VdpRect const *destination_rect,
438                               VdpCSCMatrix const *csc_matrix)
439{
440   vlVdpOutputSurface *vlsurface;
441   struct vl_compositor *compositor;
442   struct vl_compositor_state *cstate;
443
444   struct pipe_context *pipe;
445   enum pipe_format format;
446   struct pipe_video_buffer vtmpl, *vbuffer;
447   struct u_rect dst_rect;
448   struct pipe_sampler_view **sampler_views;
449
450   unsigned i;
451
452   vlsurface = vlGetDataHTAB(surface);
453   if (!vlsurface)
454      return VDP_STATUS_INVALID_HANDLE;
455
456
457   pipe = vlsurface->device->context;
458   compositor = &vlsurface->device->compositor;
459   cstate = &vlsurface->cstate;
460
461   format = FormatYCBCRToPipe(source_ycbcr_format);
462   if (format == PIPE_FORMAT_NONE)
463       return VDP_STATUS_INVALID_Y_CB_CR_FORMAT;
464
465   if (!source_data || !source_pitches)
466       return VDP_STATUS_INVALID_POINTER;
467
468   mtx_lock(&vlsurface->device->mutex);
469   memset(&vtmpl, 0, sizeof(vtmpl));
470   vtmpl.buffer_format = format;
471
472   if (destination_rect) {
473      if (destination_rect->x1 > destination_rect->x0 &&
474          destination_rect->y1 > destination_rect->y0) {
475         vtmpl.width = destination_rect->x1 - destination_rect->x0;
476         vtmpl.height = destination_rect->y1 - destination_rect->y0;
477      }
478   } else {
479      vtmpl.width = vlsurface->surface->texture->width0;
480      vtmpl.height = vlsurface->surface->texture->height0;
481   }
482
483   vbuffer = pipe->create_video_buffer(pipe, &vtmpl);
484   if (!vbuffer) {
485      mtx_unlock(&vlsurface->device->mutex);
486      return VDP_STATUS_RESOURCES;
487   }
488
489   sampler_views = vbuffer->get_sampler_view_planes(vbuffer);
490   if (!sampler_views) {
491      vbuffer->destroy(vbuffer);
492      mtx_unlock(&vlsurface->device->mutex);
493      return VDP_STATUS_RESOURCES;
494   }
495
496   for (i = 0; i < 3; ++i) {
497      struct pipe_sampler_view *sv = sampler_views[i];
498      if (!sv) continue;
499
500      struct pipe_box dst_box = {
501         0, 0, 0,
502         sv->texture->width0, sv->texture->height0, 1
503      };
504
505      pipe->texture_subdata(pipe, sv->texture, 0, PIPE_MAP_WRITE, &dst_box,
506                            source_data[i], source_pitches[i], 0);
507   }
508
509   if (!csc_matrix) {
510      vl_csc_matrix csc;
511      vl_csc_get_matrix(VL_CSC_COLOR_STANDARD_BT_601, NULL, 1, &csc);
512      if (!vl_compositor_set_csc_matrix(cstate, (const vl_csc_matrix*)&csc, 1.0f, 0.0f))
513         goto err_csc_matrix;
514   } else {
515      if (!vl_compositor_set_csc_matrix(cstate, csc_matrix, 1.0f, 0.0f))
516         goto err_csc_matrix;
517   }
518
519   vl_compositor_clear_layers(cstate);
520   vl_compositor_set_buffer_layer(cstate, compositor, 0, vbuffer, NULL, NULL, VL_COMPOSITOR_WEAVE);
521   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
522   vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
523
524   vbuffer->destroy(vbuffer);
525   mtx_unlock(&vlsurface->device->mutex);
526
527   return VDP_STATUS_OK;
528err_csc_matrix:
529   vbuffer->destroy(vbuffer);
530   mtx_unlock(&vlsurface->device->mutex);
531   return VDP_STATUS_ERROR;
532}
533
534static unsigned
535BlendFactorToPipe(VdpOutputSurfaceRenderBlendFactor factor)
536{
537   switch (factor) {
538   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ZERO:
539      return PIPE_BLENDFACTOR_ZERO;
540   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE:
541      return PIPE_BLENDFACTOR_ONE;
542   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_COLOR:
543      return PIPE_BLENDFACTOR_SRC_COLOR;
544   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_COLOR:
545      return PIPE_BLENDFACTOR_INV_SRC_COLOR;
546   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA:
547      return PIPE_BLENDFACTOR_SRC_ALPHA;
548   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA:
549      return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
550   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_ALPHA:
551      return PIPE_BLENDFACTOR_DST_ALPHA;
552   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_ALPHA:
553      return PIPE_BLENDFACTOR_INV_DST_ALPHA;
554   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_COLOR:
555      return PIPE_BLENDFACTOR_DST_COLOR;
556   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_COLOR:
557      return PIPE_BLENDFACTOR_INV_DST_COLOR;
558   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA_SATURATE:
559      return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;
560   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_COLOR:
561      return PIPE_BLENDFACTOR_CONST_COLOR;
562   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR:
563      return PIPE_BLENDFACTOR_INV_CONST_COLOR;
564   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_ALPHA:
565      return PIPE_BLENDFACTOR_CONST_ALPHA;
566   case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA:
567      return PIPE_BLENDFACTOR_INV_CONST_ALPHA;
568   default:
569      assert(0);
570      return PIPE_BLENDFACTOR_ONE;
571   }
572}
573
574static unsigned
575BlendEquationToPipe(VdpOutputSurfaceRenderBlendEquation equation)
576{
577   switch (equation) {
578   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_SUBTRACT:
579      return PIPE_BLEND_SUBTRACT;
580   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_REVERSE_SUBTRACT:
581      return PIPE_BLEND_REVERSE_SUBTRACT;
582   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_ADD:
583      return PIPE_BLEND_ADD;
584   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MIN:
585      return PIPE_BLEND_MIN;
586   case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MAX:
587      return PIPE_BLEND_MAX;
588   default:
589      assert(0);
590      return PIPE_BLEND_ADD;
591   }
592}
593
594static void *
595BlenderToPipe(struct pipe_context *context,
596              VdpOutputSurfaceRenderBlendState const *blend_state)
597{
598   struct pipe_blend_state blend;
599
600   memset(&blend, 0, sizeof blend);
601   blend.independent_blend_enable = 0;
602
603   if (blend_state) {
604      blend.rt[0].blend_enable = 1;
605      blend.rt[0].rgb_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_color);
606      blend.rt[0].rgb_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_color);
607      blend.rt[0].alpha_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_alpha);
608      blend.rt[0].alpha_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_alpha);
609      blend.rt[0].rgb_func = BlendEquationToPipe(blend_state->blend_equation_color);
610      blend.rt[0].alpha_func = BlendEquationToPipe(blend_state->blend_equation_alpha);
611   } else {
612      blend.rt[0].blend_enable = 0;
613   }
614
615   blend.logicop_enable = 0;
616   blend.logicop_func = PIPE_LOGICOP_CLEAR;
617   blend.rt[0].colormask = PIPE_MASK_RGBA;
618   blend.dither = 0;
619
620   return context->create_blend_state(context, &blend);
621}
622
623static struct vertex4f *
624ColorsToPipe(VdpColor const *colors, uint32_t flags, struct vertex4f result[4])
625{
626   unsigned i;
627   struct vertex4f *dst = result;
628
629   if (!colors)
630      return NULL;
631
632   for (i = 0; i < 4; ++i) {
633      dst->x = colors->red;
634      dst->y = colors->green;
635      dst->z = colors->blue;
636      dst->w = colors->alpha;
637
638      ++dst;
639      if (flags & VDP_OUTPUT_SURFACE_RENDER_COLOR_PER_VERTEX)
640         ++colors;
641   }
642   return result;
643}
644
645/**
646 * Composite a sub-rectangle of a VdpOutputSurface into a sub-rectangle of
647 * another VdpOutputSurface; Output Surface object VdpOutputSurface.
648 */
649VdpStatus
650vlVdpOutputSurfaceRenderOutputSurface(VdpOutputSurface destination_surface,
651                                      VdpRect const *destination_rect,
652                                      VdpOutputSurface source_surface,
653                                      VdpRect const *source_rect,
654                                      VdpColor const *colors,
655                                      VdpOutputSurfaceRenderBlendState const *blend_state,
656                                      uint32_t flags)
657{
658   vlVdpOutputSurface *dst_vlsurface;
659
660   struct pipe_context *context;
661   struct pipe_sampler_view *src_sv;
662   struct vl_compositor *compositor;
663   struct vl_compositor_state *cstate;
664
665   struct u_rect src_rect, dst_rect;
666
667   struct vertex4f vlcolors[4];
668   void *blend;
669
670   dst_vlsurface = vlGetDataHTAB(destination_surface);
671   if (!dst_vlsurface)
672      return VDP_STATUS_INVALID_HANDLE;
673
674   if (source_surface == VDP_INVALID_HANDLE) {
675      src_sv = dst_vlsurface->device->dummy_sv;
676
677   } else {
678      vlVdpOutputSurface *src_vlsurface = vlGetDataHTAB(source_surface);
679      if (!src_vlsurface)
680         return VDP_STATUS_INVALID_HANDLE;
681
682      if (dst_vlsurface->device != src_vlsurface->device)
683         return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
684
685      src_sv = src_vlsurface->sampler_view;
686   }
687
688   mtx_lock(&dst_vlsurface->device->mutex);
689
690   context = dst_vlsurface->device->context;
691   compositor = &dst_vlsurface->device->compositor;
692   cstate = &dst_vlsurface->cstate;
693
694   blend = BlenderToPipe(context, blend_state);
695
696   vl_compositor_clear_layers(cstate);
697   vl_compositor_set_layer_blend(cstate, 0, blend, false);
698   vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
699                                RectToPipe(source_rect, &src_rect), NULL,
700                                ColorsToPipe(colors, flags, vlcolors));
701   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_0 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_0);
702   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_90 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_90);
703   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_180 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_180);
704   STATIC_ASSERT(VL_COMPOSITOR_ROTATE_270 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_270);
705   vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
706   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
707   vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
708
709   context->delete_blend_state(context, blend);
710   mtx_unlock(&dst_vlsurface->device->mutex);
711
712   return VDP_STATUS_OK;
713}
714
715/**
716 * Composite a sub-rectangle of a VdpBitmapSurface into a sub-rectangle of
717 * a VdpOutputSurface; Output Surface object VdpOutputSurface.
718 */
719VdpStatus
720vlVdpOutputSurfaceRenderBitmapSurface(VdpOutputSurface destination_surface,
721                                      VdpRect const *destination_rect,
722                                      VdpBitmapSurface source_surface,
723                                      VdpRect const *source_rect,
724                                      VdpColor const *colors,
725                                      VdpOutputSurfaceRenderBlendState const *blend_state,
726                                      uint32_t flags)
727{
728   vlVdpOutputSurface *dst_vlsurface;
729
730   struct pipe_context *context;
731   struct pipe_sampler_view *src_sv;
732   struct vl_compositor *compositor;
733   struct vl_compositor_state *cstate;
734
735   struct u_rect src_rect, dst_rect;
736
737   struct vertex4f vlcolors[4];
738   void *blend;
739
740   dst_vlsurface = vlGetDataHTAB(destination_surface);
741   if (!dst_vlsurface)
742      return VDP_STATUS_INVALID_HANDLE;
743
744   if (source_surface == VDP_INVALID_HANDLE) {
745      src_sv = dst_vlsurface->device->dummy_sv;
746
747   } else {
748      vlVdpBitmapSurface *src_vlsurface = vlGetDataHTAB(source_surface);
749      if (!src_vlsurface)
750         return VDP_STATUS_INVALID_HANDLE;
751
752      if (dst_vlsurface->device != src_vlsurface->device)
753         return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
754
755      src_sv = src_vlsurface->sampler_view;
756   }
757
758   context = dst_vlsurface->device->context;
759   compositor = &dst_vlsurface->device->compositor;
760   cstate = &dst_vlsurface->cstate;
761
762   mtx_lock(&dst_vlsurface->device->mutex);
763
764   blend = BlenderToPipe(context, blend_state);
765
766   vl_compositor_clear_layers(cstate);
767   vl_compositor_set_layer_blend(cstate, 0, blend, false);
768   vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
769                                RectToPipe(source_rect, &src_rect), NULL,
770                                ColorsToPipe(colors, flags, vlcolors));
771   vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
772   vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
773   vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
774
775   context->delete_blend_state(context, blend);
776   mtx_unlock(&dst_vlsurface->device->mutex);
777
778   return VDP_STATUS_OK;
779}
780
781struct pipe_resource *vlVdpOutputSurfaceGallium(VdpOutputSurface surface)
782{
783   vlVdpOutputSurface *vlsurface;
784
785   vlsurface = vlGetDataHTAB(surface);
786   if (!vlsurface || !vlsurface->surface)
787      return NULL;
788
789   mtx_lock(&vlsurface->device->mutex);
790   vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
791   mtx_unlock(&vlsurface->device->mutex);
792
793   return vlsurface->surface->texture;
794}
795
796VdpStatus vlVdpOutputSurfaceDMABuf(VdpOutputSurface surface,
797                                   struct VdpSurfaceDMABufDesc *result)
798{
799   vlVdpOutputSurface *vlsurface;
800   struct pipe_screen *pscreen;
801   struct winsys_handle whandle;
802
803   memset(result, 0, sizeof(*result));
804   result->handle = -1;
805
806   vlsurface = vlGetDataHTAB(surface);
807   if (!vlsurface || !vlsurface->surface)
808      return VDP_STATUS_INVALID_HANDLE;
809
810   mtx_lock(&vlsurface->device->mutex);
811   vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
812
813   memset(&whandle, 0, sizeof(struct winsys_handle));
814   whandle.type = WINSYS_HANDLE_TYPE_FD;
815
816   pscreen = vlsurface->surface->texture->screen;
817   if (!pscreen->resource_get_handle(pscreen, vlsurface->device->context,
818                                     vlsurface->surface->texture, &whandle,
819                                     PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE)) {
820      mtx_unlock(&vlsurface->device->mutex);
821      return VDP_STATUS_NO_IMPLEMENTATION;
822   }
823
824   mtx_unlock(&vlsurface->device->mutex);
825
826   result->handle = whandle.handle;
827   result->width = vlsurface->surface->width;
828   result->height = vlsurface->surface->height;
829   result->offset = whandle.offset;
830   result->stride = whandle.stride;
831   result->format = PipeToFormatRGBA(vlsurface->surface->format);
832
833   return VDP_STATUS_OK;
834}
835