xref: /aosp_15_r20/external/mesa3d/src/gallium/frontends/vdpau/output.c (revision 6104692788411f58d303aa86923a9ff6ecaded22)
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  */
46 VdpStatus
vlVdpOutputSurfaceCreate(VdpDevice device,VdpRGBAFormat rgba_format,uint32_t width,uint32_t height,VdpOutputSurface * surface)47 vlVdpOutputSurfaceCreate(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 
130 err_resource:
131    pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
132    pipe_surface_reference(&vlsurface->surface, NULL);
133    pipe_resource_reference(&res, NULL);
134 err_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  */
144 VdpStatus
vlVdpOutputSurfaceDestroy(VdpOutputSurface surface)145 vlVdpOutputSurfaceDestroy(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  */
174 VdpStatus
vlVdpOutputSurfaceGetParameters(VdpOutputSurface surface,VdpRGBAFormat * rgba_format,uint32_t * width,uint32_t * height)175 vlVdpOutputSurfaceGetParameters(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  */
196 VdpStatus
vlVdpOutputSurfaceGetBitsNative(VdpOutputSurface surface,VdpRect const * source_rect,void * const * destination_data,uint32_t const * destination_pitches)197 vlVdpOutputSurfaceGetBitsNative(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  */
243 VdpStatus
vlVdpOutputSurfacePutBitsNative(VdpOutputSurface surface,void const * const * source_data,uint32_t const * source_pitches,VdpRect const * destination_rect)244 vlVdpOutputSurfacePutBitsNative(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  */
286 VdpStatus
vlVdpOutputSurfacePutBitsIndexed(VdpOutputSurface surface,VdpIndexedFormat source_indexed_format,void const * const * source_data,uint32_t const * source_pitch,VdpRect const * destination_rect,VdpColorTableFormat color_table_format,void const * color_table)287 vlVdpOutputSurfacePutBitsIndexed(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 
421 error_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  */
432 VdpStatus
vlVdpOutputSurfacePutBitsYCbCr(VdpOutputSurface surface,VdpYCbCrFormat source_ycbcr_format,void const * const * source_data,uint32_t const * source_pitches,VdpRect const * destination_rect,VdpCSCMatrix const * csc_matrix)433 vlVdpOutputSurfacePutBitsYCbCr(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       u_box_3d(0, 0, 0,
502                sv->texture->width0, sv->texture->height0, 1, &dst_box);
503 
504       pipe->texture_subdata(pipe, sv->texture, 0, PIPE_MAP_WRITE, &dst_box,
505                             source_data[i], source_pitches[i], 0);
506    }
507 
508    if (!csc_matrix) {
509       vl_csc_matrix csc;
510       vl_csc_get_matrix(VL_CSC_COLOR_STANDARD_BT_601, NULL, 1, &csc);
511       if (!vl_compositor_set_csc_matrix(cstate, (const vl_csc_matrix*)&csc, 1.0f, 0.0f))
512          goto err_csc_matrix;
513    } else {
514       if (!vl_compositor_set_csc_matrix(cstate, csc_matrix, 1.0f, 0.0f))
515          goto err_csc_matrix;
516    }
517 
518    vl_compositor_clear_layers(cstate);
519    vl_compositor_set_buffer_layer(cstate, compositor, 0, vbuffer, NULL, NULL, VL_COMPOSITOR_WEAVE);
520    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
521    vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
522 
523    vbuffer->destroy(vbuffer);
524    mtx_unlock(&vlsurface->device->mutex);
525 
526    return VDP_STATUS_OK;
527 err_csc_matrix:
528    vbuffer->destroy(vbuffer);
529    mtx_unlock(&vlsurface->device->mutex);
530    return VDP_STATUS_ERROR;
531 }
532 
533 static unsigned
BlendFactorToPipe(VdpOutputSurfaceRenderBlendFactor factor)534 BlendFactorToPipe(VdpOutputSurfaceRenderBlendFactor factor)
535 {
536    switch (factor) {
537    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ZERO:
538       return PIPE_BLENDFACTOR_ZERO;
539    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE:
540       return PIPE_BLENDFACTOR_ONE;
541    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_COLOR:
542       return PIPE_BLENDFACTOR_SRC_COLOR;
543    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_COLOR:
544       return PIPE_BLENDFACTOR_INV_SRC_COLOR;
545    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA:
546       return PIPE_BLENDFACTOR_SRC_ALPHA;
547    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA:
548       return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
549    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_ALPHA:
550       return PIPE_BLENDFACTOR_DST_ALPHA;
551    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_ALPHA:
552       return PIPE_BLENDFACTOR_INV_DST_ALPHA;
553    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_COLOR:
554       return PIPE_BLENDFACTOR_DST_COLOR;
555    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_COLOR:
556       return PIPE_BLENDFACTOR_INV_DST_COLOR;
557    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA_SATURATE:
558       return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;
559    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_COLOR:
560       return PIPE_BLENDFACTOR_CONST_COLOR;
561    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR:
562       return PIPE_BLENDFACTOR_INV_CONST_COLOR;
563    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_ALPHA:
564       return PIPE_BLENDFACTOR_CONST_ALPHA;
565    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA:
566       return PIPE_BLENDFACTOR_INV_CONST_ALPHA;
567    default:
568       assert(0);
569       return PIPE_BLENDFACTOR_ONE;
570    }
571 }
572 
573 static unsigned
BlendEquationToPipe(VdpOutputSurfaceRenderBlendEquation equation)574 BlendEquationToPipe(VdpOutputSurfaceRenderBlendEquation equation)
575 {
576    switch (equation) {
577    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_SUBTRACT:
578       return PIPE_BLEND_SUBTRACT;
579    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_REVERSE_SUBTRACT:
580       return PIPE_BLEND_REVERSE_SUBTRACT;
581    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_ADD:
582       return PIPE_BLEND_ADD;
583    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MIN:
584       return PIPE_BLEND_MIN;
585    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MAX:
586       return PIPE_BLEND_MAX;
587    default:
588       assert(0);
589       return PIPE_BLEND_ADD;
590    }
591 }
592 
593 static void *
BlenderToPipe(struct pipe_context * context,VdpOutputSurfaceRenderBlendState const * blend_state)594 BlenderToPipe(struct pipe_context *context,
595               VdpOutputSurfaceRenderBlendState const *blend_state)
596 {
597    struct pipe_blend_state blend;
598 
599    memset(&blend, 0, sizeof blend);
600    blend.independent_blend_enable = 0;
601 
602    if (blend_state) {
603       blend.rt[0].blend_enable = 1;
604       blend.rt[0].rgb_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_color);
605       blend.rt[0].rgb_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_color);
606       blend.rt[0].alpha_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_alpha);
607       blend.rt[0].alpha_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_alpha);
608       blend.rt[0].rgb_func = BlendEquationToPipe(blend_state->blend_equation_color);
609       blend.rt[0].alpha_func = BlendEquationToPipe(blend_state->blend_equation_alpha);
610    } else {
611       blend.rt[0].blend_enable = 0;
612    }
613 
614    blend.logicop_enable = 0;
615    blend.logicop_func = PIPE_LOGICOP_CLEAR;
616    blend.rt[0].colormask = PIPE_MASK_RGBA;
617    blend.dither = 0;
618 
619    return context->create_blend_state(context, &blend);
620 }
621 
622 static struct vertex4f *
ColorsToPipe(VdpColor const * colors,uint32_t flags,struct vertex4f result[4])623 ColorsToPipe(VdpColor const *colors, uint32_t flags, struct vertex4f result[4])
624 {
625    unsigned i;
626    struct vertex4f *dst = result;
627 
628    if (!colors)
629       return NULL;
630 
631    for (i = 0; i < 4; ++i) {
632       dst->x = colors->red;
633       dst->y = colors->green;
634       dst->z = colors->blue;
635       dst->w = colors->alpha;
636 
637       ++dst;
638       if (flags & VDP_OUTPUT_SURFACE_RENDER_COLOR_PER_VERTEX)
639          ++colors;
640    }
641    return result;
642 }
643 
644 /**
645  * Composite a sub-rectangle of a VdpOutputSurface into a sub-rectangle of
646  * another VdpOutputSurface; Output Surface object VdpOutputSurface.
647  */
648 VdpStatus
vlVdpOutputSurfaceRenderOutputSurface(VdpOutputSurface destination_surface,VdpRect const * destination_rect,VdpOutputSurface source_surface,VdpRect const * source_rect,VdpColor const * colors,VdpOutputSurfaceRenderBlendState const * blend_state,uint32_t flags)649 vlVdpOutputSurfaceRenderOutputSurface(VdpOutputSurface destination_surface,
650                                       VdpRect const *destination_rect,
651                                       VdpOutputSurface source_surface,
652                                       VdpRect const *source_rect,
653                                       VdpColor const *colors,
654                                       VdpOutputSurfaceRenderBlendState const *blend_state,
655                                       uint32_t flags)
656 {
657    vlVdpOutputSurface *dst_vlsurface;
658 
659    struct pipe_context *context;
660    struct pipe_sampler_view *src_sv;
661    struct vl_compositor *compositor;
662    struct vl_compositor_state *cstate;
663 
664    struct u_rect src_rect, dst_rect;
665 
666    struct vertex4f vlcolors[4];
667    void *blend;
668 
669    dst_vlsurface = vlGetDataHTAB(destination_surface);
670    if (!dst_vlsurface)
671       return VDP_STATUS_INVALID_HANDLE;
672 
673    if (source_surface == VDP_INVALID_HANDLE) {
674       src_sv = dst_vlsurface->device->dummy_sv;
675 
676    } else {
677       vlVdpOutputSurface *src_vlsurface = vlGetDataHTAB(source_surface);
678       if (!src_vlsurface)
679          return VDP_STATUS_INVALID_HANDLE;
680 
681       if (dst_vlsurface->device != src_vlsurface->device)
682          return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
683 
684       src_sv = src_vlsurface->sampler_view;
685    }
686 
687    mtx_lock(&dst_vlsurface->device->mutex);
688 
689    context = dst_vlsurface->device->context;
690    compositor = &dst_vlsurface->device->compositor;
691    cstate = &dst_vlsurface->cstate;
692 
693    blend = BlenderToPipe(context, blend_state);
694 
695    vl_compositor_clear_layers(cstate);
696    vl_compositor_set_layer_blend(cstate, 0, blend, false);
697    vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
698                                 RectToPipe(source_rect, &src_rect), NULL,
699                                 ColorsToPipe(colors, flags, vlcolors));
700    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_0 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_0);
701    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_90 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_90);
702    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_180 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_180);
703    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_270 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_270);
704    vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
705    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
706    vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
707 
708    context->delete_blend_state(context, blend);
709    mtx_unlock(&dst_vlsurface->device->mutex);
710 
711    return VDP_STATUS_OK;
712 }
713 
714 /**
715  * Composite a sub-rectangle of a VdpBitmapSurface into a sub-rectangle of
716  * a VdpOutputSurface; Output Surface object VdpOutputSurface.
717  */
718 VdpStatus
vlVdpOutputSurfaceRenderBitmapSurface(VdpOutputSurface destination_surface,VdpRect const * destination_rect,VdpBitmapSurface source_surface,VdpRect const * source_rect,VdpColor const * colors,VdpOutputSurfaceRenderBlendState const * blend_state,uint32_t flags)719 vlVdpOutputSurfaceRenderBitmapSurface(VdpOutputSurface destination_surface,
720                                       VdpRect const *destination_rect,
721                                       VdpBitmapSurface source_surface,
722                                       VdpRect const *source_rect,
723                                       VdpColor const *colors,
724                                       VdpOutputSurfaceRenderBlendState const *blend_state,
725                                       uint32_t flags)
726 {
727    vlVdpOutputSurface *dst_vlsurface;
728 
729    struct pipe_context *context;
730    struct pipe_sampler_view *src_sv;
731    struct vl_compositor *compositor;
732    struct vl_compositor_state *cstate;
733 
734    struct u_rect src_rect, dst_rect;
735 
736    struct vertex4f vlcolors[4];
737    void *blend;
738 
739    dst_vlsurface = vlGetDataHTAB(destination_surface);
740    if (!dst_vlsurface)
741       return VDP_STATUS_INVALID_HANDLE;
742 
743    if (source_surface == VDP_INVALID_HANDLE) {
744       src_sv = dst_vlsurface->device->dummy_sv;
745 
746    } else {
747       vlVdpBitmapSurface *src_vlsurface = vlGetDataHTAB(source_surface);
748       if (!src_vlsurface)
749          return VDP_STATUS_INVALID_HANDLE;
750 
751       if (dst_vlsurface->device != src_vlsurface->device)
752          return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
753 
754       src_sv = src_vlsurface->sampler_view;
755    }
756 
757    context = dst_vlsurface->device->context;
758    compositor = &dst_vlsurface->device->compositor;
759    cstate = &dst_vlsurface->cstate;
760 
761    mtx_lock(&dst_vlsurface->device->mutex);
762 
763    blend = BlenderToPipe(context, blend_state);
764 
765    vl_compositor_clear_layers(cstate);
766    vl_compositor_set_layer_blend(cstate, 0, blend, false);
767    vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
768                                 RectToPipe(source_rect, &src_rect), NULL,
769                                 ColorsToPipe(colors, flags, vlcolors));
770    vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
771    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
772    vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
773 
774    context->delete_blend_state(context, blend);
775    mtx_unlock(&dst_vlsurface->device->mutex);
776 
777    return VDP_STATUS_OK;
778 }
779 
vlVdpOutputSurfaceGallium(VdpOutputSurface surface)780 struct pipe_resource *vlVdpOutputSurfaceGallium(VdpOutputSurface surface)
781 {
782    vlVdpOutputSurface *vlsurface;
783 
784    vlsurface = vlGetDataHTAB(surface);
785    if (!vlsurface || !vlsurface->surface)
786       return NULL;
787 
788    mtx_lock(&vlsurface->device->mutex);
789    vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
790    mtx_unlock(&vlsurface->device->mutex);
791 
792    return vlsurface->surface->texture;
793 }
794 
vlVdpOutputSurfaceDMABuf(VdpOutputSurface surface,struct VdpSurfaceDMABufDesc * result)795 VdpStatus vlVdpOutputSurfaceDMABuf(VdpOutputSurface surface,
796                                    struct VdpSurfaceDMABufDesc *result)
797 {
798    vlVdpOutputSurface *vlsurface;
799    struct pipe_screen *pscreen;
800    struct winsys_handle whandle;
801 
802    memset(result, 0, sizeof(*result));
803    result->handle = -1;
804 
805    vlsurface = vlGetDataHTAB(surface);
806    if (!vlsurface || !vlsurface->surface)
807       return VDP_STATUS_INVALID_HANDLE;
808 
809    mtx_lock(&vlsurface->device->mutex);
810    vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
811 
812    memset(&whandle, 0, sizeof(struct winsys_handle));
813    whandle.type = WINSYS_HANDLE_TYPE_FD;
814 
815    pscreen = vlsurface->surface->texture->screen;
816    if (!pscreen->resource_get_handle(pscreen, vlsurface->device->context,
817                                      vlsurface->surface->texture, &whandle,
818                                      PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE)) {
819       mtx_unlock(&vlsurface->device->mutex);
820       return VDP_STATUS_NO_IMPLEMENTATION;
821    }
822 
823    mtx_unlock(&vlsurface->device->mutex);
824 
825    result->handle = whandle.handle;
826    result->width = vlsurface->surface->width;
827    result->height = vlsurface->surface->height;
828    result->offset = whandle.offset;
829    result->stride = whandle.stride;
830    result->format = PipeToFormatRGBA(vlsurface->surface->format);
831 
832    return VDP_STATUS_OK;
833 }
834