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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->transfer_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_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  */
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       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_MAP_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_MAP_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 
418 error_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  */
429 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)430 vlVdpOutputSurfacePutBitsYCbCr(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 
469    if (destination_rect) {
470       vtmpl.width = abs(destination_rect->x0-destination_rect->x1);
471       vtmpl.height = abs(destination_rect->y0-destination_rect->y1);
472    } else {
473       vtmpl.width = vlsurface->surface->texture->width0;
474       vtmpl.height = vlsurface->surface->texture->height0;
475    }
476 
477    vbuffer = pipe->create_video_buffer(pipe, &vtmpl);
478    if (!vbuffer) {
479       mtx_unlock(&vlsurface->device->mutex);
480       return VDP_STATUS_RESOURCES;
481    }
482 
483    sampler_views = vbuffer->get_sampler_view_planes(vbuffer);
484    if (!sampler_views) {
485       vbuffer->destroy(vbuffer);
486       mtx_unlock(&vlsurface->device->mutex);
487       return VDP_STATUS_RESOURCES;
488    }
489 
490    for (i = 0; i < 3; ++i) {
491       struct pipe_sampler_view *sv = sampler_views[i];
492       if (!sv) continue;
493 
494       struct pipe_box dst_box = {
495          0, 0, 0,
496          sv->texture->width0, sv->texture->height0, 1
497       };
498 
499       pipe->texture_subdata(pipe, sv->texture, 0, PIPE_MAP_WRITE, &dst_box,
500                             source_data[i], source_pitches[i], 0);
501    }
502 
503    if (!csc_matrix) {
504       vl_csc_matrix csc;
505       vl_csc_get_matrix(VL_CSC_COLOR_STANDARD_BT_601, NULL, 1, &csc);
506       if (!vl_compositor_set_csc_matrix(cstate, (const vl_csc_matrix*)&csc, 1.0f, 0.0f))
507          goto err_csc_matrix;
508    } else {
509       if (!vl_compositor_set_csc_matrix(cstate, csc_matrix, 1.0f, 0.0f))
510          goto err_csc_matrix;
511    }
512 
513    vl_compositor_clear_layers(cstate);
514    vl_compositor_set_buffer_layer(cstate, compositor, 0, vbuffer, NULL, NULL, VL_COMPOSITOR_WEAVE);
515    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
516    vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
517 
518    vbuffer->destroy(vbuffer);
519    mtx_unlock(&vlsurface->device->mutex);
520 
521    return VDP_STATUS_OK;
522 err_csc_matrix:
523    vbuffer->destroy(vbuffer);
524    mtx_unlock(&vlsurface->device->mutex);
525    return VDP_STATUS_ERROR;
526 }
527 
528 static unsigned
BlendFactorToPipe(VdpOutputSurfaceRenderBlendFactor factor)529 BlendFactorToPipe(VdpOutputSurfaceRenderBlendFactor factor)
530 {
531    switch (factor) {
532    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ZERO:
533       return PIPE_BLENDFACTOR_ZERO;
534    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE:
535       return PIPE_BLENDFACTOR_ONE;
536    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_COLOR:
537       return PIPE_BLENDFACTOR_SRC_COLOR;
538    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_COLOR:
539       return PIPE_BLENDFACTOR_INV_SRC_COLOR;
540    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA:
541       return PIPE_BLENDFACTOR_SRC_ALPHA;
542    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA:
543       return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
544    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_ALPHA:
545       return PIPE_BLENDFACTOR_DST_ALPHA;
546    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_ALPHA:
547       return PIPE_BLENDFACTOR_INV_DST_ALPHA;
548    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_COLOR:
549       return PIPE_BLENDFACTOR_DST_COLOR;
550    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_COLOR:
551       return PIPE_BLENDFACTOR_INV_DST_COLOR;
552    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA_SATURATE:
553       return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;
554    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_COLOR:
555       return PIPE_BLENDFACTOR_CONST_COLOR;
556    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR:
557       return PIPE_BLENDFACTOR_INV_CONST_COLOR;
558    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_ALPHA:
559       return PIPE_BLENDFACTOR_CONST_ALPHA;
560    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA:
561       return PIPE_BLENDFACTOR_INV_CONST_ALPHA;
562    default:
563       assert(0);
564       return PIPE_BLENDFACTOR_ONE;
565    }
566 }
567 
568 static unsigned
BlendEquationToPipe(VdpOutputSurfaceRenderBlendEquation equation)569 BlendEquationToPipe(VdpOutputSurfaceRenderBlendEquation equation)
570 {
571    switch (equation) {
572    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_SUBTRACT:
573       return PIPE_BLEND_SUBTRACT;
574    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_REVERSE_SUBTRACT:
575       return PIPE_BLEND_REVERSE_SUBTRACT;
576    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_ADD:
577       return PIPE_BLEND_ADD;
578    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MIN:
579       return PIPE_BLEND_MIN;
580    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MAX:
581       return PIPE_BLEND_MAX;
582    default:
583       assert(0);
584       return PIPE_BLEND_ADD;
585    }
586 }
587 
588 static void *
BlenderToPipe(struct pipe_context * context,VdpOutputSurfaceRenderBlendState const * blend_state)589 BlenderToPipe(struct pipe_context *context,
590               VdpOutputSurfaceRenderBlendState const *blend_state)
591 {
592    struct pipe_blend_state blend;
593 
594    memset(&blend, 0, sizeof blend);
595    blend.independent_blend_enable = 0;
596 
597    if (blend_state) {
598       blend.rt[0].blend_enable = 1;
599       blend.rt[0].rgb_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_color);
600       blend.rt[0].rgb_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_color);
601       blend.rt[0].alpha_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_alpha);
602       blend.rt[0].alpha_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_alpha);
603       blend.rt[0].rgb_func = BlendEquationToPipe(blend_state->blend_equation_color);
604       blend.rt[0].alpha_func = BlendEquationToPipe(blend_state->blend_equation_alpha);
605    } else {
606       blend.rt[0].blend_enable = 0;
607    }
608 
609    blend.logicop_enable = 0;
610    blend.logicop_func = PIPE_LOGICOP_CLEAR;
611    blend.rt[0].colormask = PIPE_MASK_RGBA;
612    blend.dither = 0;
613 
614    return context->create_blend_state(context, &blend);
615 }
616 
617 static struct vertex4f *
ColorsToPipe(VdpColor const * colors,uint32_t flags,struct vertex4f result[4])618 ColorsToPipe(VdpColor const *colors, uint32_t flags, struct vertex4f result[4])
619 {
620    unsigned i;
621    struct vertex4f *dst = result;
622 
623    if (!colors)
624       return NULL;
625 
626    for (i = 0; i < 4; ++i) {
627       dst->x = colors->red;
628       dst->y = colors->green;
629       dst->z = colors->blue;
630       dst->w = colors->alpha;
631 
632       ++dst;
633       if (flags & VDP_OUTPUT_SURFACE_RENDER_COLOR_PER_VERTEX)
634          ++colors;
635    }
636    return result;
637 }
638 
639 /**
640  * Composite a sub-rectangle of a VdpOutputSurface into a sub-rectangle of
641  * another VdpOutputSurface; Output Surface object VdpOutputSurface.
642  */
643 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)644 vlVdpOutputSurfaceRenderOutputSurface(VdpOutputSurface destination_surface,
645                                       VdpRect const *destination_rect,
646                                       VdpOutputSurface source_surface,
647                                       VdpRect const *source_rect,
648                                       VdpColor const *colors,
649                                       VdpOutputSurfaceRenderBlendState const *blend_state,
650                                       uint32_t flags)
651 {
652    vlVdpOutputSurface *dst_vlsurface;
653 
654    struct pipe_context *context;
655    struct pipe_sampler_view *src_sv;
656    struct vl_compositor *compositor;
657    struct vl_compositor_state *cstate;
658 
659    struct u_rect src_rect, dst_rect;
660 
661    struct vertex4f vlcolors[4];
662    void *blend;
663 
664    dst_vlsurface = vlGetDataHTAB(destination_surface);
665    if (!dst_vlsurface)
666       return VDP_STATUS_INVALID_HANDLE;
667 
668    if (source_surface == VDP_INVALID_HANDLE) {
669       src_sv = dst_vlsurface->device->dummy_sv;
670 
671    } else {
672       vlVdpOutputSurface *src_vlsurface = vlGetDataHTAB(source_surface);
673       if (!src_vlsurface)
674          return VDP_STATUS_INVALID_HANDLE;
675 
676       if (dst_vlsurface->device != src_vlsurface->device)
677          return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
678 
679       src_sv = src_vlsurface->sampler_view;
680    }
681 
682    mtx_lock(&dst_vlsurface->device->mutex);
683 
684    context = dst_vlsurface->device->context;
685    compositor = &dst_vlsurface->device->compositor;
686    cstate = &dst_vlsurface->cstate;
687 
688    blend = BlenderToPipe(context, blend_state);
689 
690    vl_compositor_clear_layers(cstate);
691    vl_compositor_set_layer_blend(cstate, 0, blend, false);
692    vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
693                                 RectToPipe(source_rect, &src_rect), NULL,
694                                 ColorsToPipe(colors, flags, vlcolors));
695    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_0 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_0);
696    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_90 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_90);
697    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_180 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_180);
698    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_270 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_270);
699    vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
700    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
701    vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
702 
703    context->delete_blend_state(context, blend);
704    mtx_unlock(&dst_vlsurface->device->mutex);
705 
706    return VDP_STATUS_OK;
707 }
708 
709 /**
710  * Composite a sub-rectangle of a VdpBitmapSurface into a sub-rectangle of
711  * a VdpOutputSurface; Output Surface object VdpOutputSurface.
712  */
713 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)714 vlVdpOutputSurfaceRenderBitmapSurface(VdpOutputSurface destination_surface,
715                                       VdpRect const *destination_rect,
716                                       VdpBitmapSurface source_surface,
717                                       VdpRect const *source_rect,
718                                       VdpColor const *colors,
719                                       VdpOutputSurfaceRenderBlendState const *blend_state,
720                                       uint32_t flags)
721 {
722    vlVdpOutputSurface *dst_vlsurface;
723 
724    struct pipe_context *context;
725    struct pipe_sampler_view *src_sv;
726    struct vl_compositor *compositor;
727    struct vl_compositor_state *cstate;
728 
729    struct u_rect src_rect, dst_rect;
730 
731    struct vertex4f vlcolors[4];
732    void *blend;
733 
734    dst_vlsurface = vlGetDataHTAB(destination_surface);
735    if (!dst_vlsurface)
736       return VDP_STATUS_INVALID_HANDLE;
737 
738    if (source_surface == VDP_INVALID_HANDLE) {
739       src_sv = dst_vlsurface->device->dummy_sv;
740 
741    } else {
742       vlVdpBitmapSurface *src_vlsurface = vlGetDataHTAB(source_surface);
743       if (!src_vlsurface)
744          return VDP_STATUS_INVALID_HANDLE;
745 
746       if (dst_vlsurface->device != src_vlsurface->device)
747          return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
748 
749       src_sv = src_vlsurface->sampler_view;
750    }
751 
752    context = dst_vlsurface->device->context;
753    compositor = &dst_vlsurface->device->compositor;
754    cstate = &dst_vlsurface->cstate;
755 
756    mtx_lock(&dst_vlsurface->device->mutex);
757 
758    blend = BlenderToPipe(context, blend_state);
759 
760    vl_compositor_clear_layers(cstate);
761    vl_compositor_set_layer_blend(cstate, 0, blend, false);
762    vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
763                                 RectToPipe(source_rect, &src_rect), NULL,
764                                 ColorsToPipe(colors, flags, vlcolors));
765    vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
766    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
767    vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
768 
769    context->delete_blend_state(context, blend);
770    mtx_unlock(&dst_vlsurface->device->mutex);
771 
772    return VDP_STATUS_OK;
773 }
774 
vlVdpOutputSurfaceGallium(VdpOutputSurface surface)775 struct pipe_resource *vlVdpOutputSurfaceGallium(VdpOutputSurface surface)
776 {
777    vlVdpOutputSurface *vlsurface;
778 
779    vlsurface = vlGetDataHTAB(surface);
780    if (!vlsurface || !vlsurface->surface)
781       return NULL;
782 
783    mtx_lock(&vlsurface->device->mutex);
784    vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
785    mtx_unlock(&vlsurface->device->mutex);
786 
787    return vlsurface->surface->texture;
788 }
789 
vlVdpOutputSurfaceDMABuf(VdpOutputSurface surface,struct VdpSurfaceDMABufDesc * result)790 VdpStatus vlVdpOutputSurfaceDMABuf(VdpOutputSurface surface,
791                                    struct VdpSurfaceDMABufDesc *result)
792 {
793    vlVdpOutputSurface *vlsurface;
794    struct pipe_screen *pscreen;
795    struct winsys_handle whandle;
796 
797    memset(result, 0, sizeof(*result));
798    result->handle = -1;
799 
800    vlsurface = vlGetDataHTAB(surface);
801    if (!vlsurface || !vlsurface->surface)
802       return VDP_STATUS_INVALID_HANDLE;
803 
804    mtx_lock(&vlsurface->device->mutex);
805    vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
806 
807    memset(&whandle, 0, sizeof(struct winsys_handle));
808    whandle.type = WINSYS_HANDLE_TYPE_FD;
809 
810    pscreen = vlsurface->surface->texture->screen;
811    if (!pscreen->resource_get_handle(pscreen, vlsurface->device->context,
812                                      vlsurface->surface->texture, &whandle,
813                                      PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE)) {
814       mtx_unlock(&vlsurface->device->mutex);
815       return VDP_STATUS_NO_IMPLEMENTATION;
816    }
817 
818    mtx_unlock(&vlsurface->device->mutex);
819 
820    result->handle = whandle.handle;
821    result->width = vlsurface->surface->width;
822    result->height = vlsurface->surface->height;
823    result->offset = whandle.offset;
824    result->stride = whandle.stride;
825    result->format = PipeToFormatRGBA(vlsurface->surface->format);
826 
827    return VDP_STATUS_OK;
828 }
829