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 "vdpau_private.h"
  40
  41 /**
  42  * Create a VdpOutputSurface.
  43  */
  44 VdpStatus
  45 vlVdpOutputSurfaceCreate(VdpDevice device,
  46                          VdpRGBAFormat rgba_format,
  47                          uint32_t width, uint32_t height,
  48                          VdpOutputSurface  *surface)
  49 {
  50    struct pipe_context *pipe;
  51    struct pipe_resource res_tmpl, *res;
  52    struct pipe_sampler_view sv_templ;
  53    struct pipe_surface surf_templ;
  54
  55    vlVdpOutputSurface *vlsurface = NULL;
  56
  57    if (!(width && height))
  58       return VDP_STATUS_INVALID_SIZE;
  59
  60    vlVdpDevice *dev = vlGetDataHTAB(device);
  61    if (!dev)
  62       return VDP_STATUS_INVALID_HANDLE;
  63
  64    pipe = dev->context;
  65    if (!pipe)
  66       return VDP_STATUS_INVALID_HANDLE;
  67
  68    vlsurface = CALLOC(1, sizeof(vlVdpOutputSurface));
  69    if (!vlsurface)
  70       return VDP_STATUS_RESOURCES;
  71
  72    DeviceReference(&vlsurface->device, dev);
  73
  74    memset(&res_tmpl, 0, sizeof(res_tmpl));
  75
  76    res_tmpl.target = PIPE_TEXTURE_2D;
  77    res_tmpl.format = FormatRGBAToPipe(rgba_format);
  78    res_tmpl.width0 = width;
  79    res_tmpl.height0 = height;
  80    res_tmpl.depth0 = 1;
  81    res_tmpl.array_size = 1;
  82    res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
  83    res_tmpl.usage = PIPE_USAGE_DEFAULT;
  84
  85    pipe_mutex_lock(dev->mutex);
  86
  87    if (!CheckSurfaceParams(pipe->screen, &res_tmpl))
  88       goto err_unlock;
  89
  90    res = pipe->screen->resource_create(pipe->screen, &res_tmpl);
  91    if (!res)
  92       goto err_unlock;
  93
  94    vlVdpDefaultSamplerViewTemplate(&sv_templ, res);
  95    vlsurface->sampler_view = pipe->create_sampler_view(pipe, res, &sv_templ);
  96    if (!vlsurface->sampler_view)
  97       goto err_resource;
  98
  99    memset(&surf_templ, 0, sizeof(surf_templ));
 100    surf_templ.format = res->format;
 101    vlsurface->surface = pipe->create_surface(pipe, res, &surf_templ);
 102    if (!vlsurface->surface)
 103       goto err_resource;
 104
 105    *surface = vlAddDataHTAB(vlsurface);
 106    if (*surface == 0)
 107       goto err_resource;
 108
 109    pipe_resource_reference(&res, NULL);
 110
 111    vl_compositor_init_state(&vlsurface->cstate, pipe);
 112    vl_compositor_reset_dirty_area(&vlsurface->dirty_area);
 113    pipe_mutex_unlock(dev->mutex);
 114
 115    return VDP_STATUS_OK;
 116
 117 err_resource:
 118    pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
 119    pipe_surface_reference(&vlsurface->surface, NULL);
 120    pipe_resource_reference(&res, NULL);
 121 err_unlock:
 122    pipe_mutex_unlock(dev->mutex);
 123    DeviceReference(&vlsurface->device, NULL);
 124    FREE(vlsurface);
 125    return VDP_STATUS_ERROR;
 126 }
 127
 128 /**
 129  * Destroy a VdpOutputSurface.
 130  */
 131 VdpStatus
 132 vlVdpOutputSurfaceDestroy(VdpOutputSurface surface)
 133 {
 134    vlVdpOutputSurface *vlsurface;
 135    struct pipe_context *pipe;
 136
 137    vlsurface = vlGetDataHTAB(surface);
 138    if (!vlsurface)
 139       return VDP_STATUS_INVALID_HANDLE;
 140
 141    pipe = vlsurface->device->context;
 142
 143    pipe_mutex_lock(vlsurface->device->mutex);
 144    vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
 145
 146    pipe_surface_reference(&vlsurface->surface, NULL);
 147    pipe_sampler_view_reference(&vlsurface->sampler_view, NULL);
 148    pipe->screen->fence_reference(pipe->screen, &vlsurface->fence, NULL);
 149    vl_compositor_cleanup_state(&vlsurface->cstate);
 150    pipe_mutex_unlock(vlsurface->device->mutex);
 151
 152    vlRemoveDataHTAB(surface);
 153    DeviceReference(&vlsurface->device, NULL);
 154    FREE(vlsurface);
 155
 156    return VDP_STATUS_OK;
 157 }
 158
 159 /**
 160  * Retrieve the parameters used to create a VdpOutputSurface.
 161  */
 162 VdpStatus
 163 vlVdpOutputSurfaceGetParameters(VdpOutputSurface surface,
 164                                 VdpRGBAFormat *rgba_format,
 165                                 uint32_t *width, uint32_t *height)
 166 {
 167    vlVdpOutputSurface *vlsurface;
 168
 169    vlsurface = vlGetDataHTAB(surface);
 170    if (!vlsurface)
 171       return VDP_STATUS_INVALID_HANDLE;
 172
 173    *rgba_format = PipeToFormatRGBA(vlsurface->sampler_view->texture->format);
 174    *width = vlsurface->sampler_view->texture->width0;
 175    *height = vlsurface->sampler_view->texture->height0;
 176
 177    return VDP_STATUS_OK;
 178 }
 179
 180 /**
 181  * Copy image data from a VdpOutputSurface to application memory in the
 182  * surface's native format.
 183  */
 184 VdpStatus
 185 vlVdpOutputSurfaceGetBitsNative(VdpOutputSurface surface,
 186                                 VdpRect const *source_rect,
 187                                 void *const *destination_data,
 188                                 uint32_t const *destination_pitches)
 189 {
 190    vlVdpOutputSurface *vlsurface;
 191    struct pipe_context *pipe;
 192    struct pipe_resource *res;
 193    struct pipe_box box;
 194    struct pipe_transfer *transfer;
 195    uint8_t *map;
 196
 197    vlsurface = vlGetDataHTAB(surface);
 198    if (!vlsurface)
 199       return VDP_STATUS_INVALID_HANDLE;
 200
 201    pipe = vlsurface->device->context;
 202    if (!pipe)
 203       return VDP_STATUS_INVALID_HANDLE;
 204
 205    pipe_mutex_lock(vlsurface->device->mutex);
 206    vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
 207
 208    res = vlsurface->sampler_view->texture;
 209    box = RectToPipeBox(source_rect, res);
 210    map = pipe->transfer_map(pipe, res, 0, PIPE_TRANSFER_READ, &box, &transfer);
 211    if (!map) {
 212       pipe_mutex_unlock(vlsurface->device->mutex);
 213       return VDP_STATUS_RESOURCES;
 214    }
 215
 216    util_copy_rect(*destination_data, res->format, *destination_pitches, 0, 0,
 217                   box.width, box.height, map, transfer->stride, 0, 0);
 218
 219    pipe_transfer_unmap(pipe, transfer);
 220    pipe_mutex_unlock(vlsurface->device->mutex);
 221
 222    return VDP_STATUS_OK;
 223 }
 224
 225 /**
 226  * Copy image data from application memory in the surface's native format to
 227  * a VdpOutputSurface.
 228  */
 229 VdpStatus
 230 vlVdpOutputSurfacePutBitsNative(VdpOutputSurface surface,
 231                                 void const *const *source_data,
 232                                 uint32_t const *source_pitches,
 233                                 VdpRect const *destination_rect)
 234 {
 235    vlVdpOutputSurface *vlsurface;
 236    struct pipe_box dst_box;
 237    struct pipe_context *pipe;
 238
 239    vlsurface = vlGetDataHTAB(surface);
 240    if (!vlsurface)
 241       return VDP_STATUS_INVALID_HANDLE;
 242
 243    pipe = vlsurface->device->context;
 244    if (!pipe)
 245       return VDP_STATUS_INVALID_HANDLE;
 246
 247    pipe_mutex_lock(vlsurface->device->mutex);
 248    vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
 249
 250    dst_box = RectToPipeBox(destination_rect, vlsurface->sampler_view->texture);
 251    pipe->transfer_inline_write(pipe, vlsurface->sampler_view->texture, 0,
 252                                PIPE_TRANSFER_WRITE, &dst_box, *source_data,
 253                                *source_pitches, 0);
 254    pipe_mutex_unlock(vlsurface->device->mutex);
 255
 256    return VDP_STATUS_OK;
 257 }
 258
 259 /**
 260  * Copy image data from application memory in a specific indexed format to
 261  * a VdpOutputSurface.
 262  */
 263 VdpStatus
 264 vlVdpOutputSurfacePutBitsIndexed(VdpOutputSurface surface,
 265                                  VdpIndexedFormat source_indexed_format,
 266                                  void const *const *source_data,
 267                                  uint32_t const *source_pitch,
 268                                  VdpRect const *destination_rect,
 269                                  VdpColorTableFormat color_table_format,
 270                                  void const *color_table)
 271 {
 272    vlVdpOutputSurface *vlsurface;
 273    struct pipe_context *context;
 274    struct vl_compositor *compositor;
 275    struct vl_compositor_state *cstate;
 276
 277    enum pipe_format index_format;
 278    enum pipe_format colortbl_format;
 279
 280    struct pipe_resource *res, res_tmpl;
 281    struct pipe_sampler_view sv_tmpl;
 282    struct pipe_sampler_view *sv_idx = NULL, *sv_tbl = NULL;
 283
 284    struct pipe_box box;
 285    struct u_rect dst_rect;
 286
 287    vlsurface = vlGetDataHTAB(surface);
 288    if (!vlsurface)
 289       return VDP_STATUS_INVALID_HANDLE;
 290
 291    context = vlsurface->device->context;
 292    compositor = &vlsurface->device->compositor;
 293    cstate = &vlsurface->cstate;
 294
 295    index_format = FormatIndexedToPipe(source_indexed_format);
 296    if (index_format == PIPE_FORMAT_NONE)
 297        return VDP_STATUS_INVALID_INDEXED_FORMAT;
 298
 299    if (!source_data || !source_pitch)
 300        return VDP_STATUS_INVALID_POINTER;
 301
 302    colortbl_format = FormatColorTableToPipe(color_table_format);
 303    if (colortbl_format == PIPE_FORMAT_NONE)
 304        return VDP_STATUS_INVALID_COLOR_TABLE_FORMAT;
 305
 306    if (!color_table)
 307        return VDP_STATUS_INVALID_POINTER;
 308
 309    memset(&res_tmpl, 0, sizeof(res_tmpl));
 310    res_tmpl.target = PIPE_TEXTURE_2D;
 311    res_tmpl.format = index_format;
 312
 313    if (destination_rect) {
 314       res_tmpl.width0 = abs(destination_rect->x0-destination_rect->x1);
 315       res_tmpl.height0 = abs(destination_rect->y0-destination_rect->y1);
 316    } else {
 317       res_tmpl.width0 = vlsurface->surface->texture->width0;
 318       res_tmpl.height0 = vlsurface->surface->texture->height0;
 319    }
 320    res_tmpl.depth0 = 1;
 321    res_tmpl.array_size = 1;
 322    res_tmpl.usage = PIPE_USAGE_STAGING;
 323    res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
 324
 325    pipe_mutex_lock(vlsurface->device->mutex);
 326    vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
 327
 328    if (!CheckSurfaceParams(context->screen, &res_tmpl))
 329       goto error_resource;
 330
 331    res = context->screen->resource_create(context->screen, &res_tmpl);
 332    if (!res)
 333       goto error_resource;
 334
 335    box.x = box.y = box.z = 0;
 336    box.width = res->width0;
 337    box.height = res->height0;
 338    box.depth = res->depth0;
 339
 340    context->transfer_inline_write(context, res, 0, PIPE_TRANSFER_WRITE, &box,
 341                                   source_data[0], source_pitch[0],
 342                                   source_pitch[0] * res->height0);
 343
 344    memset(&sv_tmpl, 0, sizeof(sv_tmpl));
 345    u_sampler_view_default_template(&sv_tmpl, res, res->format);
 346
 347    sv_idx = context->create_sampler_view(context, res, &sv_tmpl);
 348    pipe_resource_reference(&res, NULL);
 349
 350    if (!sv_idx)
 351       goto error_resource;
 352
 353    memset(&res_tmpl, 0, sizeof(res_tmpl));
 354    res_tmpl.target = PIPE_TEXTURE_1D;
 355    res_tmpl.format = colortbl_format;
 356    res_tmpl.width0 = 1 << util_format_get_component_bits(
 357       index_format, UTIL_FORMAT_COLORSPACE_RGB, 0);
 358    res_tmpl.height0 = 1;
 359    res_tmpl.depth0 = 1;
 360    res_tmpl.array_size = 1;
 361    res_tmpl.usage = PIPE_USAGE_STAGING;
 362    res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
 363
 364    res = context->screen->resource_create(context->screen, &res_tmpl);
 365    if (!res)
 366       goto error_resource;
 367
 368    box.x = box.y = box.z = 0;
 369    box.width = res->width0;
 370    box.height = res->height0;
 371    box.depth = res->depth0;
 372
 373    context->transfer_inline_write(context, res, 0, PIPE_TRANSFER_WRITE, &box, color_table,
 374                                   util_format_get_stride(colortbl_format, res->width0), 0);
 375
 376    memset(&sv_tmpl, 0, sizeof(sv_tmpl));
 377    u_sampler_view_default_template(&sv_tmpl, res, res->format);
 378
 379    sv_tbl = context->create_sampler_view(context, res, &sv_tmpl);
 380    pipe_resource_reference(&res, NULL);
 381
 382    if (!sv_tbl)
 383       goto error_resource;
 384
 385    vl_compositor_clear_layers(cstate);
 386    vl_compositor_set_palette_layer(cstate, compositor, 0, sv_idx, sv_tbl, NULL, NULL, false);
 387    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
 388    vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
 389
 390    pipe_sampler_view_reference(&sv_idx, NULL);
 391    pipe_sampler_view_reference(&sv_tbl, NULL);
 392    pipe_mutex_unlock(vlsurface->device->mutex);
 393
 394    return VDP_STATUS_OK;
 395
 396 error_resource:
 397    pipe_sampler_view_reference(&sv_idx, NULL);
 398    pipe_sampler_view_reference(&sv_tbl, NULL);
 399    pipe_mutex_unlock(vlsurface->device->mutex);
 400    return VDP_STATUS_RESOURCES;
 401 }
 402
 403 /**
 404  * Copy image data from application memory in a specific YCbCr format to
 405  * a VdpOutputSurface.
 406  */
 407 VdpStatus
 408 vlVdpOutputSurfacePutBitsYCbCr(VdpOutputSurface surface,
 409                                VdpYCbCrFormat source_ycbcr_format,
 410                                void const *const *source_data,
 411                                uint32_t const *source_pitches,
 412                                VdpRect const *destination_rect,
 413                                VdpCSCMatrix const *csc_matrix)
 414 {
 415    vlVdpOutputSurface *vlsurface;
 416    struct vl_compositor *compositor;
 417    struct vl_compositor_state *cstate;
 418
 419    struct pipe_context *pipe;
 420    enum pipe_format format;
 421    struct pipe_video_buffer vtmpl, *vbuffer;
 422    struct u_rect dst_rect;
 423    struct pipe_sampler_view **sampler_views;
 424
 425    unsigned i;
 426
 427    vlsurface = vlGetDataHTAB(surface);
 428    if (!vlsurface)
 429       return VDP_STATUS_INVALID_HANDLE;
 430
 431
 432    pipe = vlsurface->device->context;
 433    compositor = &vlsurface->device->compositor;
 434    cstate = &vlsurface->cstate;
 435
 436    format = FormatYCBCRToPipe(source_ycbcr_format);
 437    if (format == PIPE_FORMAT_NONE)
 438        return VDP_STATUS_INVALID_Y_CB_CR_FORMAT;
 439
 440    if (!source_data || !source_pitches)
 441        return VDP_STATUS_INVALID_POINTER;
 442
 443    pipe_mutex_lock(vlsurface->device->mutex);
 444    vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
 445    memset(&vtmpl, 0, sizeof(vtmpl));
 446    vtmpl.buffer_format = format;
 447    vtmpl.chroma_format = FormatYCBCRToPipeChroma(source_ycbcr_format);
 448
 449    if (destination_rect) {
 450       vtmpl.width = abs(destination_rect->x0-destination_rect->x1);
 451       vtmpl.height = abs(destination_rect->y0-destination_rect->y1);
 452    } else {
 453       vtmpl.width = vlsurface->surface->texture->width0;
 454       vtmpl.height = vlsurface->surface->texture->height0;
 455    }
 456
 457    vbuffer = pipe->create_video_buffer(pipe, &vtmpl);
 458    if (!vbuffer) {
 459       pipe_mutex_unlock(vlsurface->device->mutex);
 460       return VDP_STATUS_RESOURCES;
 461    }
 462
 463    sampler_views = vbuffer->get_sampler_view_planes(vbuffer);
 464    if (!sampler_views) {
 465       vbuffer->destroy(vbuffer);
 466       pipe_mutex_unlock(vlsurface->device->mutex);
 467       return VDP_STATUS_RESOURCES;
 468    }
 469
 470    for (i = 0; i < 3; ++i) {
 471       struct pipe_sampler_view *sv = sampler_views[i];
 472       if (!sv) continue;
 473
 474       struct pipe_box dst_box = {
 475          0, 0, 0,
 476          sv->texture->width0, sv->texture->height0, 1
 477       };
 478
 479       pipe->transfer_inline_write(pipe, sv->texture, 0, PIPE_TRANSFER_WRITE, &dst_box,
 480                                   source_data[i], source_pitches[i], 0);
 481    }
 482
 483    if (!csc_matrix) {
 484       vl_csc_matrix csc;
 485       vl_csc_get_matrix(VL_CSC_COLOR_STANDARD_BT_601, NULL, 1, &csc);
 486       vl_compositor_set_csc_matrix(cstate, (const vl_csc_matrix*)&csc);
 487    } else {
 488       vl_compositor_set_csc_matrix(cstate, csc_matrix);
 489    }
 490
 491    vl_compositor_clear_layers(cstate);
 492    vl_compositor_set_buffer_layer(cstate, compositor, 0, vbuffer, NULL, NULL, VL_COMPOSITOR_WEAVE);
 493    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
 494    vl_compositor_render(cstate, compositor, vlsurface->surface, &vlsurface->dirty_area, false);
 495
 496    vbuffer->destroy(vbuffer);
 497    pipe_mutex_unlock(vlsurface->device->mutex);
 498
 499    return VDP_STATUS_OK;
 500 }
 501
 502 static unsigned
 503 BlendFactorToPipe(VdpOutputSurfaceRenderBlendFactor factor)
 504 {
 505    switch (factor) {
 506    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ZERO:
 507       return PIPE_BLENDFACTOR_ZERO;
 508    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE:
 509       return PIPE_BLENDFACTOR_ONE;
 510    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_COLOR:
 511       return PIPE_BLENDFACTOR_SRC_COLOR;
 512    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_COLOR:
 513       return PIPE_BLENDFACTOR_INV_SRC_COLOR;
 514    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA:
 515       return PIPE_BLENDFACTOR_SRC_ALPHA;
 516    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA:
 517       return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
 518    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_ALPHA:
 519       return PIPE_BLENDFACTOR_DST_ALPHA;
 520    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_ALPHA:
 521       return PIPE_BLENDFACTOR_INV_DST_ALPHA;
 522    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_DST_COLOR:
 523       return PIPE_BLENDFACTOR_DST_COLOR;
 524    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_DST_COLOR:
 525       return PIPE_BLENDFACTOR_INV_DST_COLOR;
 526    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_SRC_ALPHA_SATURATE:
 527       return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;
 528    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_COLOR:
 529       return PIPE_BLENDFACTOR_CONST_COLOR;
 530    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR:
 531       return PIPE_BLENDFACTOR_INV_CONST_COLOR;
 532    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_CONSTANT_ALPHA:
 533       return PIPE_BLENDFACTOR_CONST_ALPHA;
 534    case VDP_OUTPUT_SURFACE_RENDER_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA:
 535       return PIPE_BLENDFACTOR_INV_CONST_ALPHA;
 536    default:
 537       assert(0);
 538       return PIPE_BLENDFACTOR_ONE;
 539    }
 540 }
 541
 542 static unsigned
 543 BlendEquationToPipe(VdpOutputSurfaceRenderBlendEquation equation)
 544 {
 545    switch (equation) {
 546    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_SUBTRACT:
 547       return PIPE_BLEND_SUBTRACT;
 548    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_REVERSE_SUBTRACT:
 549       return PIPE_BLEND_REVERSE_SUBTRACT;
 550    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_ADD:
 551       return PIPE_BLEND_ADD;
 552    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MIN:
 553       return PIPE_BLEND_MIN;
 554    case VDP_OUTPUT_SURFACE_RENDER_BLEND_EQUATION_MAX:
 555       return PIPE_BLEND_MAX;
 556    default:
 557       assert(0);
 558       return PIPE_BLEND_ADD;
 559    }
 560 }
 561
 562 static void *
 563 BlenderToPipe(struct pipe_context *context,
 564               VdpOutputSurfaceRenderBlendState const *blend_state)
 565 {
 566    struct pipe_blend_state blend;
 567
 568    memset(&blend, 0, sizeof blend);
 569    blend.independent_blend_enable = 0;
 570
 571    if (blend_state) {
 572       blend.rt[0].blend_enable = 1;
 573       blend.rt[0].rgb_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_color);
 574       blend.rt[0].rgb_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_color);
 575       blend.rt[0].alpha_src_factor = BlendFactorToPipe(blend_state->blend_factor_source_alpha);
 576       blend.rt[0].alpha_dst_factor = BlendFactorToPipe(blend_state->blend_factor_destination_alpha);
 577       blend.rt[0].rgb_func = BlendEquationToPipe(blend_state->blend_equation_color);
 578       blend.rt[0].alpha_func = BlendEquationToPipe(blend_state->blend_equation_alpha);
 579    } else {
 580       blend.rt[0].blend_enable = 0;
 581    }
 582
 583    blend.logicop_enable = 0;
 584    blend.logicop_func = PIPE_LOGICOP_CLEAR;
 585    blend.rt[0].colormask = PIPE_MASK_RGBA;
 586    blend.dither = 0;
 587
 588    return context->create_blend_state(context, &blend);
 589 }
 590
 591 static struct vertex4f *
 592 ColorsToPipe(VdpColor const *colors, uint32_t flags, struct vertex4f result[4])
 593 {
 594    unsigned i;
 595    struct vertex4f *dst = result;
 596
 597    if (!colors)
 598       return NULL;
 599
 600    for (i = 0; i < 4; ++i) {
 601       dst->x = colors->red;
 602       dst->y = colors->green;
 603       dst->z = colors->blue;
 604       dst->w = colors->alpha;
 605
 606       ++dst;
 607       if (flags & VDP_OUTPUT_SURFACE_RENDER_COLOR_PER_VERTEX)
 608          ++colors;
 609    }
 610    return result;
 611 }
 612
 613 /**
 614  * Composite a sub-rectangle of a VdpOutputSurface into a sub-rectangle of
 615  * another VdpOutputSurface; Output Surface object VdpOutputSurface.
 616  */
 617 VdpStatus
 618 vlVdpOutputSurfaceRenderOutputSurface(VdpOutputSurface destination_surface,
 619                                       VdpRect const *destination_rect,
 620                                       VdpOutputSurface source_surface,
 621                                       VdpRect const *source_rect,
 622                                       VdpColor const *colors,
 623                                       VdpOutputSurfaceRenderBlendState const *blend_state,
 624                                       uint32_t flags)
 625 {
 626    vlVdpOutputSurface *dst_vlsurface;
 627
 628    struct pipe_context *context;
 629    struct pipe_sampler_view *src_sv;
 630    struct vl_compositor *compositor;
 631    struct vl_compositor_state *cstate;
 632
 633    struct u_rect src_rect, dst_rect;
 634
 635    struct vertex4f vlcolors[4];
 636    void *blend;
 637
 638    dst_vlsurface = vlGetDataHTAB(destination_surface);
 639    if (!dst_vlsurface)
 640       return VDP_STATUS_INVALID_HANDLE;
 641
 642    if (source_surface == VDP_INVALID_HANDLE) {
 643       src_sv = dst_vlsurface->device->dummy_sv;
 644
 645    } else {
 646       vlVdpOutputSurface *src_vlsurface = vlGetDataHTAB(source_surface);
 647       if (!src_vlsurface)
 648          return VDP_STATUS_INVALID_HANDLE;
 649
 650       if (dst_vlsurface->device != src_vlsurface->device)
 651          return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
 652
 653       src_sv = src_vlsurface->sampler_view;
 654    }
 655
 656    pipe_mutex_lock(dst_vlsurface->device->mutex);
 657    vlVdpResolveDelayedRendering(dst_vlsurface->device, NULL, NULL);
 658
 659    context = dst_vlsurface->device->context;
 660    compositor = &dst_vlsurface->device->compositor;
 661    cstate = &dst_vlsurface->cstate;
 662
 663    blend = BlenderToPipe(context, blend_state);
 664
 665    vl_compositor_clear_layers(cstate);
 666    vl_compositor_set_layer_blend(cstate, 0, blend, false);
 667    vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
 668                                 RectToPipe(source_rect, &src_rect), NULL,
 669                                 ColorsToPipe(colors, flags, vlcolors));
 670    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_0 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_0);
 671    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_90 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_90);
 672    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_180 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_180);
 673    STATIC_ASSERT(VL_COMPOSITOR_ROTATE_270 == VDP_OUTPUT_SURFACE_RENDER_ROTATE_270);
 674    vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
 675    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
 676    vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
 677
 678    context->delete_blend_state(context, blend);
 679    pipe_mutex_unlock(dst_vlsurface->device->mutex);
 680
 681    return VDP_STATUS_OK;
 682 }
 683
 684 /**
 685  * Composite a sub-rectangle of a VdpBitmapSurface into a sub-rectangle of
 686  * a VdpOutputSurface; Output Surface object VdpOutputSurface.
 687  */
 688 VdpStatus
 689 vlVdpOutputSurfaceRenderBitmapSurface(VdpOutputSurface destination_surface,
 690                                       VdpRect const *destination_rect,
 691                                       VdpBitmapSurface source_surface,
 692                                       VdpRect const *source_rect,
 693                                       VdpColor const *colors,
 694                                       VdpOutputSurfaceRenderBlendState const *blend_state,
 695                                       uint32_t flags)
 696 {
 697    vlVdpOutputSurface *dst_vlsurface;
 698
 699    struct pipe_context *context;
 700    struct pipe_sampler_view *src_sv;
 701    struct vl_compositor *compositor;
 702    struct vl_compositor_state *cstate;
 703
 704    struct u_rect src_rect, dst_rect;
 705
 706    struct vertex4f vlcolors[4];
 707    void *blend;
 708
 709    dst_vlsurface = vlGetDataHTAB(destination_surface);
 710    if (!dst_vlsurface)
 711       return VDP_STATUS_INVALID_HANDLE;
 712
 713    if (source_surface == VDP_INVALID_HANDLE) {
 714       src_sv = dst_vlsurface->device->dummy_sv;
 715
 716    } else {
 717       vlVdpBitmapSurface *src_vlsurface = vlGetDataHTAB(source_surface);
 718       if (!src_vlsurface)
 719          return VDP_STATUS_INVALID_HANDLE;
 720
 721       if (dst_vlsurface->device != src_vlsurface->device)
 722          return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
 723
 724       src_sv = src_vlsurface->sampler_view;
 725    }
 726
 727    context = dst_vlsurface->device->context;
 728    compositor = &dst_vlsurface->device->compositor;
 729    cstate = &dst_vlsurface->cstate;
 730
 731    pipe_mutex_lock(dst_vlsurface->device->mutex);
 732    vlVdpResolveDelayedRendering(dst_vlsurface->device, NULL, NULL);
 733
 734    blend = BlenderToPipe(context, blend_state);
 735
 736    vl_compositor_clear_layers(cstate);
 737    vl_compositor_set_layer_blend(cstate, 0, blend, false);
 738    vl_compositor_set_rgba_layer(cstate, compositor, 0, src_sv,
 739                                 RectToPipe(source_rect, &src_rect), NULL,
 740                                 ColorsToPipe(colors, flags, vlcolors));
 741    vl_compositor_set_layer_rotation(cstate, 0, flags & 3);
 742    vl_compositor_set_layer_dst_area(cstate, 0, RectToPipe(destination_rect, &dst_rect));
 743    vl_compositor_render(cstate, compositor, dst_vlsurface->surface, &dst_vlsurface->dirty_area, false);
 744
 745    context->delete_blend_state(context, blend);
 746    pipe_mutex_unlock(dst_vlsurface->device->mutex);
 747
 748    return VDP_STATUS_OK;
 749 }
 750
 751 struct pipe_resource *vlVdpOutputSurfaceGallium(VdpOutputSurface surface)
 752 {
 753    vlVdpOutputSurface *vlsurface;
 754
 755    vlsurface = vlGetDataHTAB(surface);
 756    if (!vlsurface || !vlsurface->surface)
 757       return NULL;
 758
 759    pipe_mutex_lock(vlsurface->device->mutex);
 760    vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
 761    vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
 762    pipe_mutex_unlock(vlsurface->device->mutex);
 763
 764    return vlsurface->surface->texture;
 765 }