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