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          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;
528 err_csc_matrix:
529    vbuffer->destroy(vbuffer);
530    mtx_unlock(&vlsurface->device->mutex);
531    return VDP_STATUS_ERROR;
532 }
533 
534 static unsigned
BlendFactorToPipe(VdpOutputSurfaceRenderBlendFactor factor)535 BlendFactorToPipe(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 
574 static unsigned
BlendEquationToPipe(VdpOutputSurfaceRenderBlendEquation equation)575 BlendEquationToPipe(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 
594 static void *
BlenderToPipe(struct pipe_context * context,VdpOutputSurfaceRenderBlendState const * blend_state)595 BlenderToPipe(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 
623 static struct vertex4f *
ColorsToPipe(VdpColor const * colors,uint32_t flags,struct vertex4f result[4])624 ColorsToPipe(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  */
649 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)650 vlVdpOutputSurfaceRenderOutputSurface(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  */
719 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)720 vlVdpOutputSurfaceRenderBitmapSurface(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 
vlVdpOutputSurfaceGallium(VdpOutputSurface surface)781 struct 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 
vlVdpOutputSurfaceDMABuf(VdpOutputSurface surface,struct VdpSurfaceDMABufDesc * result)796 VdpStatus 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