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/format/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 = 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
 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
 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
 197 vlVdpOutputSurfaceGetBitsNative(VdpOutputSurface surface,
 198                                 VdpRect const *source_rect,
 199                                 void *const *destination_data,
 200                                 uint32_t const *destination_pitches)
 201 {
 202    vlVdpOutputSurface *vlsurface;
 203    struct pipe_context *pipe;
 204    struct pipe_resource *res;
 205    struct pipe_box box;
 206    struct pipe_transfer *transfer;
 207    uint8_t *map;
 208
 209    vlsurface = vlGetDataHTAB(surface);
 210    if (!vlsurface)
 211       return VDP_STATUS_INVALID_HANDLE;
 212
 213    pipe = vlsurface->device->context;
 214    if (!pipe)
 215       return VDP_STATUS_INVALID_HANDLE;
 216
 217    if (!destination_data || !destination_pitches)
 218        return VDP_STATUS_INVALID_POINTER;
 219
 220    mtx_lock(&vlsurface->device->mutex);
 221
 222    res = vlsurface->sampler_view->texture;
 223    box = RectToPipeBox(source_rect, res);
 224    map = pipe->transfer_map(pipe, res, 0, PIPE_TRANSFER_READ, &box, &transfer);
 225    if (!map) {
 226       mtx_unlock(&vlsurface->device->mutex);
 227       return VDP_STATUS_RESOURCES;
 228    }
 229
 230    util_copy_rect(*destination_data, res->format, *destination_pitches, 0, 0,
 231                   box.width, box.height, map, transfer->stride, 0, 0);
 232
 233    pipe_transfer_unmap(pipe, transfer);
 234    mtx_unlock(&vlsurface->device->mutex);
 235
 236    return VDP_STATUS_OK;
 237 }
 238
 239 /**
 240  * Copy image data from application memory in the surface's native format to
 241  * a VdpOutputSurface.
 242  */
 243 VdpStatus
 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_TRANSFER_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
 287 vlVdpOutputSurfacePutBitsIndexed(VdpOutputSurface surface,
 288                                  VdpIndexedFormat source_indexed_format,
 289                                  void const *const *source_data,
 290                                  uint32_t const *source_pitch,
 291                                  VdpRect const *destination_rect,
 292                                  VdpColorTableFormat color_table_format,
 293                                  void const *color_table)
 294 {
 295    vlVdpOutputSurface *vlsurface;
 296    struct pipe_context *context;
 297    struct vl_compositor *compositor;
 298    struct vl_compositor_state *cstate;
 299
 300    enum pipe_format index_format;
 301    enum pipe_format colortbl_format;
 302
 303    struct pipe_resource *res, res_tmpl;
 304    struct pipe_sampler_view sv_tmpl;
 305    struct pipe_sampler_view *sv_idx = NULL, *sv_tbl = NULL;
 306
 307    struct pipe_box box;
 308    struct u_rect dst_rect;
 309
 310    vlsurface = vlGetDataHTAB(surface);
 311    if (!vlsurface)
 312       return VDP_STATUS_INVALID_HANDLE;
 313
 314    context = vlsurface->device->context;
 315    compositor = &vlsurface->device->compositor;
 316    cstate = &vlsurface->cstate;
 317
 318    index_format = FormatIndexedToPipe(source_indexed_format);
 319    if (index_format == PIPE_FORMAT_NONE)
 320        return VDP_STATUS_INVALID_INDEXED_FORMAT;
 321
 322    if (!source_data || !source_pitch)
 323        return VDP_STATUS_INVALID_POINTER;
 324
 325    colortbl_format = FormatColorTableToPipe(color_table_format);
 326    if (colortbl_format == PIPE_FORMAT_NONE)
 327        return VDP_STATUS_INVALID_COLOR_TABLE_FORMAT;
 328
 329    if (!color_table)
 330        return VDP_STATUS_INVALID_POINTER;
 331
 332    memset(&res_tmpl, 0, sizeof(res_tmpl));
 333    res_tmpl.target = PIPE_TEXTURE_2D;
 334    res_tmpl.format = index_format;
 335
 336    if (destination_rect) {
 337       res_tmpl.width0 = abs(destination_rect->x0-destination_rect->x1);
 338       res_tmpl.height0 = abs(destination_rect->y0-destination_rect->y1);
 339    } else {
 340       res_tmpl.width0 = vlsurface->surface->texture->width0;
 341       res_tmpl.height0 = vlsurface->surface->texture->height0;
 342    }
 343    res_tmpl.depth0 = 1;
 344    res_tmpl.array_size = 1;
 345    res_tmpl.usage = PIPE_USAGE_STAGING;
 346    res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
 347
 348    mtx_lock(&vlsurface->device->mutex);
 349
 350    if (!CheckSurfaceParams(context->screen, &res_tmpl))
 351       goto error_resource;
 352
 353    res = context->screen->resource_create(context->screen, &res_tmpl);
 354    if (!res)
 355       goto error_resource;
 356
 357    box.x = box.y = box.z = 0;
 358    box.width = res->width0;
 359    box.height = res->height0;
 360    box.depth = res->depth0;
 361
 362    context->texture_subdata(context, res, 0, PIPE_TRANSFER_WRITE, &box,
 363                             source_data[0], source_pitch[0],
 364                             source_pitch[0] * res->height0);
 365
 366    memset(&sv_tmpl, 0, sizeof(sv_tmpl));
 367    u_sampler_view_default_template(&sv_tmpl, res, res->format);
 368
 369    sv_idx = context->create_sampler_view(context, res, &sv_tmpl);
 370    pipe_resource_reference(&res, NULL);
 371
 372    if (!sv_idx)
 373       goto error_resource;
 374
 375    memset(&res_tmpl, 0, sizeof(res_tmpl));
 376    res_tmpl.target = PIPE_TEXTURE_1D;
 377    res_tmpl.format = colortbl_format;
 378    res_tmpl.width0 = 1 << util_format_get_component_bits(
 379       index_format, UTIL_FORMAT_COLORSPACE_RGB, 0);
 380    res_tmpl.height0 = 1;
 381    res_tmpl.depth0 = 1;
 382    res_tmpl.array_size = 1;
 383    res_tmpl.usage = PIPE_USAGE_STAGING;
 384    res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
 385
 386    res = context->screen->resource_create(context->screen, &res_tmpl);
 387    if (!res)
 388       goto error_resource;
 389
 390    box.x = box.y = box.z = 0;
 391    box.width = res->width0;
 392    box.height = res->height0;
 393    box.depth = res->depth0;
 394
 395    context->texture_subdata(context, res, 0, PIPE_TRANSFER_WRITE, &box, color_table,
 396                             util_format_get_stride(colortbl_format, res->width0), 0);
 397
 398    memset(&sv_tmpl, 0, sizeof(sv_tmpl));
 399    u_sampler_view_default_template(&sv_tmpl, res, res->format);
 400
 401    sv_tbl = context->create_sampler_view(context, res, &sv_tmpl);
 402    pipe_resource_reference(&res, NULL);
 403
 404    if (!sv_tbl)
 405       goto error_resource;
 406
 407    vl_compositor_clear_layers(cstate);
 408    vl_compositor_set_palette_layer(cstate, compositor, 0, sv_idx, sv_tbl, NULL, NULL, false);
 409    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
 410    vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
 411
 412    pipe_sampler_view_reference(&sv_idx, NULL);
 413    pipe_sampler_view_reference(&sv_tbl, NULL);
 414    mtx_unlock(&vlsurface->device->mutex);
 415
 416    return VDP_STATUS_OK;
 417
 418 error_resource:
 419    pipe_sampler_view_reference(&sv_idx, NULL);
 420    pipe_sampler_view_reference(&sv_tbl, NULL);
 421    mtx_unlock(&vlsurface->device->mutex);
 422    return VDP_STATUS_RESOURCES;
 423 }
 424
 425 /**
 426  * Copy image data from application memory in a specific YCbCr format to
 427  * a VdpOutputSurface.
 428  */
 429 VdpStatus
 430 vlVdpOutputSurfacePutBitsYCbCr(VdpOutputSurface surface,
 431                                VdpYCbCrFormat source_ycbcr_format,
 432                                void const *const *source_data,
 433                                uint32_t const *source_pitches,
 434                                VdpRect const *destination_rect,
 435                                VdpCSCMatrix const *csc_matrix)
 436 {
 437    vlVdpOutputSurface *vlsurface;
 438    struct vl_compositor *compositor;
 439    struct vl_compositor_state *cstate;
 440
 441    struct pipe_context *pipe;
 442    enum pipe_format format;
 443    struct pipe_video_buffer vtmpl, *vbuffer;
 444    struct u_rect dst_rect;
 445    struct pipe_sampler_view **sampler_views;
 446
 447    unsigned i;
 448
 449    vlsurface = vlGetDataHTAB(surface);
 450    if (!vlsurface)
 451       return VDP_STATUS_INVALID_HANDLE;
 452
 453
 454    pipe = vlsurface->device->context;
 455    compositor = &vlsurface->device->compositor;
 456    cstate = &vlsurface->cstate;
 457
 458    format = FormatYCBCRToPipe(source_ycbcr_format);
 459    if (format == PIPE_FORMAT_NONE)
 460        return VDP_STATUS_INVALID_Y_CB_CR_FORMAT;
 461
 462    if (!source_data || !source_pitches)
 463        return VDP_STATUS_INVALID_POINTER;
 464
 465    mtx_lock(&vlsurface->device->mutex);
 466    memset(&vtmpl, 0, sizeof(vtmpl));
 467    vtmpl.buffer_format = format;
 468    vtmpl.chroma_format = FormatYCBCRToPipeChroma(source_ycbcr_format);
 469
 470    if (destination_rect) {
 471       vtmpl.width = abs(destination_rect->x0-destination_rect->x1);
 472       vtmpl.height = abs(destination_rect->y0-destination_rect->y1);
 473    } else {
 474       vtmpl.width = vlsurface->surface->texture->width0;
 475       vtmpl.height = vlsurface->surface->texture->height0;
 476    }
 477
 478    vbuffer = pipe->create_video_buffer(pipe, &vtmpl);
 479    if (!vbuffer) {
 480       mtx_unlock(&vlsurface->device->mutex);
 481       return VDP_STATUS_RESOURCES;
 482    }
 483
 484    sampler_views = vbuffer->get_sampler_view_planes(vbuffer);
 485    if (!sampler_views) {
 486       vbuffer->destroy(vbuffer);
 487       mtx_unlock(&vlsurface->device->mutex);
 488       return VDP_STATUS_RESOURCES;
 489    }
 490
 491    for (i = 0; i < 3; ++i) {
 492       struct pipe_sampler_view *sv = sampler_views[i];
 493       if (!sv) continue;
 494
 495       struct pipe_box dst_box = {
 496          0, 0, 0,
 497          sv->texture->width0, sv->texture->height0, 1
 498       };
 499
 500       pipe->texture_subdata(pipe, sv->texture, 0, PIPE_TRANSFER_WRITE, &dst_box,
 501                             source_data[i], source_pitches[i], 0);
 502    }
 503
 504    if (!csc_matrix) {
 505       vl_csc_matrix csc;
 506       vl_csc_get_matrix(VL_CSC_COLOR_STANDARD_BT_601, NULL, 1, &csc);
 507       if (!vl_compositor_set_csc_matrix(cstate, (const vl_csc_matrix*)&csc, 1.0f, 0.0f))
 508          goto err_csc_matrix;
 509    } else {
 510       if (!vl_compositor_set_csc_matrix(cstate, csc_matrix, 1.0f, 0.0f))
 511          goto err_csc_matrix;
 512    }
 513
 514    vl_compositor_clear_layers(cstate);
 515    vl_compositor_set_buffer_layer(cstate, compositor, 0, vbuffer, NULL, NULL, VL_COMPOSITOR_WEAVE);
 516    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
 517    vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
 518
 519    vbuffer->destroy(vbuffer);
 520    mtx_unlock(&vlsurface->device->mutex);
 521
 522    return VDP_STATUS_OK;
 523 err_csc_matrix:
 524    vbuffer->destroy(vbuffer);
 525    mtx_unlock(&vlsurface->device->mutex);
 526    return VDP_STATUS_ERROR;
 527 }
 528
 529 static unsigned
 530 BlendFactorToPipe(VdpOutputSurfaceRenderBlendFactor factor)
 531 {
 532    switch (factor) {
 533    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ZERO:
 534       return PIPE_BLENDFACTOR_ZERO;
 535    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE:
 536       return PIPE_BLENDFACTOR_ONE;
 537    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_COLOR:
 538       return PIPE_BLENDFACTOR_SRC_COLOR;
 539    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_COLOR:
 540       return PIPE_BLENDFACTOR_INV_SRC_COLOR;
 541    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA:
 542       return PIPE_BLENDFACTOR_SRC_ALPHA;
 543    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA:
 544       return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
 545    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_ALPHA:
 546       return PIPE_BLENDFACTOR_DST_ALPHA;
 547    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_ALPHA:
 548       return PIPE_BLENDFACTOR_INV_DST_ALPHA;
 549    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_COLOR:
 550       return PIPE_BLENDFACTOR_DST_COLOR;
 551    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_COLOR:
 552       return PIPE_BLENDFACTOR_INV_DST_COLOR;
 553    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA_SATURATE:
 554       return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;
 555    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_COLOR:
 556       return PIPE_BLENDFACTOR_CONST_COLOR;
 557    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR:
 558       return PIPE_BLENDFACTOR_INV_CONST_COLOR;
 559    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_ALPHA:
 560       return PIPE_BLENDFACTOR_CONST_ALPHA;
 561    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA:
 562       return PIPE_BLENDFACTOR_INV_CONST_ALPHA;
 563    default:
 564       assert(0);
 565       return PIPE_BLENDFACTOR_ONE;
 566    }
 567 }
 568
 569 static unsigned
 570 BlendEquationToPipe(VdpOutputSurfaceRenderBlendEquation equation)
 571 {
 572    switch (equation) {
 573    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_SUBTRACT:
 574       return PIPE_BLEND_SUBTRACT;
 575    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_REVERSE_SUBTRACT:
 576       return PIPE_BLEND_REVERSE_SUBTRACT;
 577    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_ADD:
 578       return PIPE_BLEND_ADD;
 579    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MIN:
 580       return PIPE_BLEND_MIN;
 581    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MAX:
 582       return PIPE_BLEND_MAX;
 583    default:
 584       assert(0);
 585       return PIPE_BLEND_ADD;
 586    }
 587 }
 588
 589 static void *
 590 BlenderToPipe(struct pipe_context *context,
 591               VdpOutputSurfaceRenderBlendState const *blend_state)
 592 {
 593    struct pipe_blend_state blend;
 594
 595    memset(&blend, 0, sizeof blend);
 596    blend.independent_blend_enable = 0;
 597
 598    if (blend_state) {
 599       blend.rt[0].blend_enable = 1;
 600       blend.rt[0].rgb_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_color);
 601       blend.rt[0].rgb_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_color);
 602       blend.rt[0].alpha_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_alpha);
 603       blend.rt[0].alpha_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_alpha);
 604       blend.rt[0].rgb_func = BlendEquationToPipe(blend_state->blend_equation_color);
 605       blend.rt[0].alpha_func = BlendEquationToPipe(blend_state->blend_equation_alpha);
 606    } else {
 607       blend.rt[0].blend_enable = 0;
 608    }
 609
 610    blend.logicop_enable = 0;
 611    blend.logicop_func = PIPE_LOGICOP_CLEAR;
 612    blend.rt[0].colormask = PIPE_MASK_RGBA;
 613    blend.dither = 0;
 614
 615    return context->create_blend_state(context, &blend);
 616 }
 617
 618 static struct vertex4f *
 619 ColorsToPipe(VdpColor const *colors, uint32_t flags, struct vertex4f result[4])
 620 {
 621    unsigned i;
 622    struct vertex4f *dst = result;
 623
 624    if (!colors)
 625       return NULL;
 626
 627    for (i = 0; i < 4; ++i) {
 628       dst->x = colors->red;
 629       dst->y = colors->green;
 630       dst->z = colors->blue;
 631       dst->w = colors->alpha;
 632
 633       ++dst;
 634       if (flags & VDP_OUTPUT_SURFACE_RENDER_COLOR_PER_VERTEX)
 635          ++colors;
 636    }
 637    return result;
 638 }
 639
 640 /**
 641  * Composite a sub-rectangle of a VdpOutputSurface into a sub-rectangle of
 642  * another VdpOutputSurface; Output Surface object VdpOutputSurface.
 643  */
 644 VdpStatus
 645 vlVdpOutputSurfaceRenderOutputSurface(VdpOutputSurface destination_surface,
 646                                       VdpRect const *destination_rect,
 647                                       VdpOutputSurface source_surface,
 648                                       VdpRect const *source_rect,
 649                                       VdpColor const *colors,
 650                                       VdpOutputSurfaceRenderBlendState const *blend_state,
 651                                       uint32_t flags)
 652 {
 653    vlVdpOutputSurface *dst_vlsurface;
 654
 655    struct pipe_context *context;
 656    struct pipe_sampler_view *src_sv;
 657    struct vl_compositor *compositor;
 658    struct vl_compositor_state *cstate;
 659
 660    struct u_rect src_rect, dst_rect;
 661
 662    struct vertex4f vlcolors[4];
 663    void *blend;
 664
 665    dst_vlsurface = vlGetDataHTAB(destination_surface);
 666    if (!dst_vlsurface)
 667       return VDP_STATUS_INVALID_HANDLE;
 668
 669    if (source_surface == VDP_INVALID_HANDLE) {
 670       src_sv = dst_vlsurface->device->dummy_sv;
 671
 672    } else {
 673       vlVdpOutputSurface *src_vlsurface = vlGetDataHTAB(source_surface);
 674       if (!src_vlsurface)
 675          return VDP_STATUS_INVALID_HANDLE;
 676
 677       if (dst_vlsurface->device != src_vlsurface->device)
 678          return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
 679
 680       src_sv = src_vlsurface->sampler_view;
 681    }
 682
 683    mtx_lock(&dst_vlsurface->device->mutex);
 684
 685    context = dst_vlsurface->device->context;
 686    compositor = &dst_vlsurface->device->compositor;
 687    cstate = &dst_vlsurface->cstate;
 688
 689    blend = BlenderToPipe(context, blend_state);
 690
 691    vl_compositor_clear_layers(cstate);
 692    vl_compositor_set_layer_blend(cstate, 0, blend, false);
 693    vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
 694                                 RectToPipe(source_rect, &src_rect), NULL,
 695                                 ColorsToPipe(colors, flags, vlcolors));
 696    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_0 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_0);
 697    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_90 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_90);
 698    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_180 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_180);
 699    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_270 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_270);
 700    vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
 701    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
 702    vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
 703
 704    context->delete_blend_state(context, blend);
 705    mtx_unlock(&dst_vlsurface->device->mutex);
 706
 707    return VDP_STATUS_OK;
 708 }
 709
 710 /**
 711  * Composite a sub-rectangle of a VdpBitmapSurface into a sub-rectangle of
 712  * a VdpOutputSurface; Output Surface object VdpOutputSurface.
 713  */
 714 VdpStatus
 715 vlVdpOutputSurfaceRenderBitmapSurface(VdpOutputSurface destination_surface,
 716                                       VdpRect const *destination_rect,
 717                                       VdpBitmapSurface source_surface,
 718                                       VdpRect const *source_rect,
 719                                       VdpColor const *colors,
 720                                       VdpOutputSurfaceRenderBlendState const *blend_state,
 721                                       uint32_t flags)
 722 {
 723    vlVdpOutputSurface *dst_vlsurface;
 724
 725    struct pipe_context *context;
 726    struct pipe_sampler_view *src_sv;
 727    struct vl_compositor *compositor;
 728    struct vl_compositor_state *cstate;
 729
 730    struct u_rect src_rect, dst_rect;
 731
 732    struct vertex4f vlcolors[4];
 733    void *blend;
 734
 735    dst_vlsurface = vlGetDataHTAB(destination_surface);
 736    if (!dst_vlsurface)
 737       return VDP_STATUS_INVALID_HANDLE;
 738
 739    if (source_surface == VDP_INVALID_HANDLE) {
 740       src_sv = dst_vlsurface->device->dummy_sv;
 741
 742    } else {
 743       vlVdpBitmapSurface *src_vlsurface = vlGetDataHTAB(source_surface);
 744       if (!src_vlsurface)
 745          return VDP_STATUS_INVALID_HANDLE;
 746
 747       if (dst_vlsurface->device != src_vlsurface->device)
 748          return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
 749
 750       src_sv = src_vlsurface->sampler_view;
 751    }
 752
 753    context = dst_vlsurface->device->context;
 754    compositor = &dst_vlsurface->device->compositor;
 755    cstate = &dst_vlsurface->cstate;
 756
 757    mtx_lock(&dst_vlsurface->device->mutex);
 758
 759    blend = BlenderToPipe(context, blend_state);
 760
 761    vl_compositor_clear_layers(cstate);
 762    vl_compositor_set_layer_blend(cstate, 0, blend, false);
 763    vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
 764                                 RectToPipe(source_rect, &src_rect), NULL,
 765                                 ColorsToPipe(colors, flags, vlcolors));
 766    vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
 767    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
 768    vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
 769
 770    context->delete_blend_state(context, blend);
 771    mtx_unlock(&dst_vlsurface->device->mutex);
 772
 773    return VDP_STATUS_OK;
 774 }
 775
 776 struct pipe_resource *vlVdpOutputSurfaceGallium(VdpOutputSurface surface)
 777 {
 778    vlVdpOutputSurface *vlsurface;
 779
 780    vlsurface = vlGetDataHTAB(surface);
 781    if (!vlsurface || !vlsurface->surface)
 782       return NULL;
 783
 784    mtx_lock(&vlsurface->device->mutex);
 785    vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
 786    mtx_unlock(&vlsurface->device->mutex);
 787
 788    return vlsurface->surface->texture;
 789 }
 790
 791 VdpStatus vlVdpOutputSurfaceDMABuf(VdpOutputSurface surface,
 792                                    struct VdpSurfaceDMABufDesc *result)
 793 {
 794    vlVdpOutputSurface *vlsurface;
 795    struct pipe_screen *pscreen;
 796    struct winsys_handle whandle;
 797
 798    memset(result, 0, sizeof(*result));
 799    result->handle = -1;
 800
 801    vlsurface = vlGetDataHTAB(surface);
 802    if (!vlsurface || !vlsurface->surface)
 803       return VDP_STATUS_INVALID_HANDLE;
 804
 805    mtx_lock(&vlsurface->device->mutex);
 806    vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
 807
 808    memset(&whandle, 0, sizeof(struct winsys_handle));
 809    whandle.type = WINSYS_HANDLE_TYPE_FD;
 810
 811    pscreen = vlsurface->surface->texture->screen;
 812    if (!pscreen->resource_get_handle(pscreen, vlsurface->device->context,
 813                                      vlsurface->surface->texture, &whandle,
 814                                      PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE)) {
 815       mtx_unlock(&vlsurface->device->mutex);
 816       return VDP_STATUS_NO_IMPLEMENTATION;
 817    }
 818
 819    mtx_unlock(&vlsurface->device->mutex);
 820
 821    result->handle = whandle.handle;
 822    result->width = vlsurface->surface->width;
 823    result->height = vlsurface->surface->height;
 824    result->offset = whandle.offset;
 825    result->stride = whandle.stride;
 826    result->format = PipeToFormatRGBA(vlsurface->surface->format);
 827
 828    return VDP_STATUS_OK;
 829 }