src/gallium/state_trackers/vdpau/output.c

   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
  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
 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
 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
 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
 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
 267    /* Check for a no-op. (application bug?) */
 268    if (!dst_box.width || !dst_box.height) {
 269       pipe_mutex_unlock(vlsurface->device->mutex);
 270       return VDP_STATUS_OK;
 271    }
 272
 273    pipe->texture_subdata(pipe, vlsurface->sampler_view->texture, 0,
 274                          PIPE_TRANSFER_WRITE, &dst_box, *source_data,
 275                          *source_pitches, 0);
 276    pipe_mutex_unlock(vlsurface->device->mutex);
 277
 278    return VDP_STATUS_OK;
 279 }
 280
 281 /**
 282  * Copy image data from application memory in a specific indexed format to
 283  * a VdpOutputSurface.
 284  */
 285 VdpStatus
 286 vlVdpOutputSurfacePutBitsIndexed(VdpOutputSurface surface,
 287                                  VdpIndexedFormat source_indexed_format,
 288                                  void const *const *source_data,
 289                                  uint32_t const *source_pitch,
 290                                  VdpRect const *destination_rect,
 291                                  VdpColorTableFormat color_table_format,
 292                                  void const *color_table)
 293 {
 294    vlVdpOutputSurface *vlsurface;
 295    struct pipe_context *context;
 296    struct vl_compositor *compositor;
 297    struct vl_compositor_state *cstate;
 298
 299    enum pipe_format index_format;
 300    enum pipe_format colortbl_format;
 301
 302    struct pipe_resource *res, res_tmpl;
 303    struct pipe_sampler_view sv_tmpl;
 304    struct pipe_sampler_view *sv_idx = NULL, *sv_tbl = NULL;
 305
 306    struct pipe_box box;
 307    struct u_rect dst_rect;
 308
 309    vlsurface = vlGetDataHTAB(surface);
 310    if (!vlsurface)
 311       return VDP_STATUS_INVALID_HANDLE;
 312
 313    context = vlsurface->device->context;
 314    compositor = &vlsurface->device->compositor;
 315    cstate = &vlsurface->cstate;
 316
 317    index_format = FormatIndexedToPipe(source_indexed_format);
 318    if (index_format == PIPE_FORMAT_NONE)
 319        return VDP_STATUS_INVALID_INDEXED_FORMAT;
 320
 321    if (!source_data || !source_pitch)
 322        return VDP_STATUS_INVALID_POINTER;
 323
 324    colortbl_format = FormatColorTableToPipe(color_table_format);
 325    if (colortbl_format == PIPE_FORMAT_NONE)
 326        return VDP_STATUS_INVALID_COLOR_TABLE_FORMAT;
 327
 328    if (!color_table)
 329        return VDP_STATUS_INVALID_POINTER;
 330
 331    memset(&res_tmpl, 0, sizeof(res_tmpl));
 332    res_tmpl.target = PIPE_TEXTURE_2D;
 333    res_tmpl.format = index_format;
 334
 335    if (destination_rect) {
 336       res_tmpl.width0 = abs(destination_rect->x0-destination_rect->x1);
 337       res_tmpl.height0 = abs(destination_rect->y0-destination_rect->y1);
 338    } else {
 339       res_tmpl.width0 = vlsurface->surface->texture->width0;
 340       res_tmpl.height0 = vlsurface->surface->texture->height0;
 341    }
 342    res_tmpl.depth0 = 1;
 343    res_tmpl.array_size = 1;
 344    res_tmpl.usage = PIPE_USAGE_STAGING;
 345    res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
 346
 347    pipe_mutex_lock(vlsurface->device->mutex);
 348
 349    if (!CheckSurfaceParams(context->screen, &res_tmpl))
 350       goto error_resource;
 351
 352    res = context->screen->resource_create(context->screen, &res_tmpl);
 353    if (!res)
 354       goto error_resource;
 355
 356    box.x = box.y = box.z = 0;
 357    box.width = res->width0;
 358    box.height = res->height0;
 359    box.depth = res->depth0;
 360
 361    context->texture_subdata(context, res, 0, PIPE_TRANSFER_WRITE, &box,
 362                             source_data[0], source_pitch[0],
 363                             source_pitch[0] * res->height0);
 364
 365    memset(&sv_tmpl, 0, sizeof(sv_tmpl));
 366    u_sampler_view_default_template(&sv_tmpl, res, res->format);
 367
 368    sv_idx = context->create_sampler_view(context, res, &sv_tmpl);
 369    pipe_resource_reference(&res, NULL);
 370
 371    if (!sv_idx)
 372       goto error_resource;
 373
 374    memset(&res_tmpl, 0, sizeof(res_tmpl));
 375    res_tmpl.target = PIPE_TEXTURE_1D;
 376    res_tmpl.format = colortbl_format;
 377    res_tmpl.width0 = 1 << util_format_get_component_bits(
 378       index_format, UTIL_FORMAT_COLORSPACE_RGB, 0);
 379    res_tmpl.height0 = 1;
 380    res_tmpl.depth0 = 1;
 381    res_tmpl.array_size = 1;
 382    res_tmpl.usage = PIPE_USAGE_STAGING;
 383    res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
 384
 385    res = context->screen->resource_create(context->screen, &res_tmpl);
 386    if (!res)
 387       goto error_resource;
 388
 389    box.x = box.y = box.z = 0;
 390    box.width = res->width0;
 391    box.height = res->height0;
 392    box.depth = res->depth0;
 393
 394    context->texture_subdata(context, res, 0, PIPE_TRANSFER_WRITE, &box, color_table,
 395                             util_format_get_stride(colortbl_format, res->width0), 0);
 396
 397    memset(&sv_tmpl, 0, sizeof(sv_tmpl));
 398    u_sampler_view_default_template(&sv_tmpl, res, res->format);
 399
 400    sv_tbl = context->create_sampler_view(context, res, &sv_tmpl);
 401    pipe_resource_reference(&res, NULL);
 402
 403    if (!sv_tbl)
 404       goto error_resource;
 405
 406    vl_compositor_clear_layers(cstate);
 407    vl_compositor_set_palette_layer(cstate, compositor, 0, sv_idx, sv_tbl, NULL, NULL, false);
 408    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
 409    vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
 410
 411    pipe_sampler_view_reference(&sv_idx, NULL);
 412    pipe_sampler_view_reference(&sv_tbl, NULL);
 413    pipe_mutex_unlock(vlsurface->device->mutex);
 414
 415    return VDP_STATUS_OK;
 416
 417 error_resource:
 418    pipe_sampler_view_reference(&sv_idx, NULL);
 419    pipe_sampler_view_reference(&sv_tbl, NULL);
 420    pipe_mutex_unlock(vlsurface->device->mutex);
 421    return VDP_STATUS_RESOURCES;
 422 }
 423
 424 /**
 425  * Copy image data from application memory in a specific YCbCr format to
 426  * a VdpOutputSurface.
 427  */
 428 VdpStatus
 429 vlVdpOutputSurfacePutBitsYCbCr(VdpOutputSurface surface,
 430                                VdpYCbCrFormat source_ycbcr_format,
 431                                void const *const *source_data,
 432                                uint32_t const *source_pitches,
 433                                VdpRect const *destination_rect,
 434                                VdpCSCMatrix const *csc_matrix)
 435 {
 436    vlVdpOutputSurface *vlsurface;
 437    struct vl_compositor *compositor;
 438    struct vl_compositor_state *cstate;
 439
 440    struct pipe_context *pipe;
 441    enum pipe_format format;
 442    struct pipe_video_buffer vtmpl, *vbuffer;
 443    struct u_rect dst_rect;
 444    struct pipe_sampler_view **sampler_views;
 445
 446    unsigned i;
 447
 448    vlsurface = vlGetDataHTAB(surface);
 449    if (!vlsurface)
 450       return VDP_STATUS_INVALID_HANDLE;
 451
 452
 453    pipe = vlsurface->device->context;
 454    compositor = &vlsurface->device->compositor;
 455    cstate = &vlsurface->cstate;
 456
 457    format = FormatYCBCRToPipe(source_ycbcr_format);
 458    if (format == PIPE_FORMAT_NONE)
 459        return VDP_STATUS_INVALID_Y_CB_CR_FORMAT;
 460
 461    if (!source_data || !source_pitches)
 462        return VDP_STATUS_INVALID_POINTER;
 463
 464    pipe_mutex_lock(vlsurface->device->mutex);
 465    memset(&vtmpl, 0, sizeof(vtmpl));
 466    vtmpl.buffer_format = format;
 467    vtmpl.chroma_format = FormatYCBCRToPipeChroma(source_ycbcr_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       pipe_mutex_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       pipe_mutex_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_TRANSFER_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    pipe_mutex_unlock(vlsurface->device->mutex);
 520
 521    return VDP_STATUS_OK;
 522 err_csc_matrix:
 523    vbuffer->destroy(vbuffer);
 524    pipe_mutex_unlock(vlsurface->device->mutex);
 525    return VDP_STATUS_ERROR;
 526 }
 527
 528 static unsigned
 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
 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 *
 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 *
 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
 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    pipe_mutex_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    pipe_mutex_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
 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    pipe_mutex_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    pipe_mutex_unlock(dst_vlsurface->device->mutex);
 771
 772    return VDP_STATUS_OK;
 773 }
 774
 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    pipe_mutex_lock(vlsurface->device->mutex);
 784    vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
 785    pipe_mutex_unlock(vlsurface->device->mutex);
 786
 787    return vlsurface->surface->texture;
 788 }
 789
 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    pipe_mutex_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 = DRM_API_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_READ_WRITE)) {
 814       pipe_mutex_unlock(vlsurface->device->mutex);
 815       return VDP_STATUS_NO_IMPLEMENTATION;
 816    }
 817
 818    pipe_mutex_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 }