src/gallium/drivers/softpipe/sp_video_context.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "util/u_inlines.h"
  29 #include "util/u_memory.h"
  30
  31 #include "sp_video_context.h"
  32 #include <util/u_inlines.h>
  33 #include <util/u_memory.h>
  34 #include <util/u_rect.h>
  35 #include <util/u_video.h>
  36 #include <util/u_surface.h>
  37 #include "sp_public.h"
  38 #include "sp_texture.h"
  39
  40 static void
  41 sp_mpeg12_destroy(struct pipe_video_context *vpipe)
  42 {
  43    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
  44
  45    assert(vpipe);
  46
  47    /* Asserted in softpipe_delete_fs_state() for some reason */
  48    ctx->pipe->bind_vs_state(ctx->pipe, NULL);
  49    ctx->pipe->bind_fs_state(ctx->pipe, NULL);
  50
  51    ctx->pipe->delete_blend_state(ctx->pipe, ctx->blend);
  52    ctx->pipe->delete_rasterizer_state(ctx->pipe, ctx->rast);
  53    ctx->pipe->delete_depth_stencil_alpha_state(ctx->pipe, ctx->dsa);
  54
  55    pipe_surface_reference(&ctx->decode_target, NULL);
  56    vl_compositor_cleanup(&ctx->compositor);
  57    vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer);
  58    ctx->pipe->destroy(ctx->pipe);
  59
  60    FREE(ctx);
  61 }
  62
  63 static int
  64 sp_mpeg12_get_param(struct pipe_video_context *vpipe, int param)
  65 {
  66    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
  67
  68    assert(vpipe);
  69
  70    switch (param) {
  71       case PIPE_CAP_NPOT_TEXTURES:
  72          /* XXX: Temporary; not all paths are NPOT-tested */
  73 #if 0
  74          return ctx->pipe->screen->get_param(ctx->pipe->screen, param);
  75 #endif
  76          return FALSE;
  77       case PIPE_CAP_DECODE_TARGET_PREFERRED_FORMAT:
  78          return ctx->decode_format;
  79       default:
  80       {
  81          debug_printf("Softpipe: Unknown PIPE_CAP %d\n", param);
  82          return 0;
  83       }
  84    }
  85 }
  86
  87 static boolean
  88 sp_mpeg12_is_format_supported(struct pipe_video_context *vpipe,
  89                               enum pipe_format format,
  90                               unsigned usage,
  91                               unsigned geom)
  92 {
  93    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
  94
  95    assert(vpipe);
  96
  97    /* XXX: Temporary; not all paths are NPOT-tested */
  98    if (geom & PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO)
  99       return FALSE;
 100
 101    return ctx->pipe->screen->is_format_supported(ctx->pipe->screen, format, PIPE_TEXTURE_2D,
 102                                                  0, usage, geom);
 103 }
 104
 105 static void
 106 sp_mpeg12_decode_macroblocks(struct pipe_video_context *vpipe,
 107                              struct pipe_surface *past,
 108                              struct pipe_surface *future,
 109                              unsigned num_macroblocks,
 110                              struct pipe_macroblock *macroblocks,
 111                              struct pipe_fence_handle **fence)
 112 {
 113    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 114    struct pipe_mpeg12_macroblock *mpeg12_macroblocks = (struct pipe_mpeg12_macroblock*)macroblocks;
 115
 116    assert(vpipe);
 117    assert(num_macroblocks);
 118    assert(macroblocks);
 119    assert(macroblocks->codec == PIPE_VIDEO_CODEC_MPEG12);
 120    assert(ctx->decode_target);
 121
 122    vl_mpeg12_mc_renderer_render_macroblocks(&ctx->mc_renderer,
 123                                             ctx->decode_target,
 124                                             past, future, num_macroblocks,
 125                                             mpeg12_macroblocks, fence);
 126 }
 127
 128 static void
 129 sp_mpeg12_surface_fill(struct pipe_video_context *vpipe,
 130                        struct pipe_surface *dst,
 131                        unsigned dstx, unsigned dsty,
 132                        unsigned width, unsigned height,
 133                        unsigned value)
 134 {
 135    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 136    float rgba[4] = { 0, 0, 0, 0 };
 137
 138    assert(vpipe);
 139    assert(dst);
 140
 141    if (ctx->pipe->clear_render_target)
 142       ctx->pipe->clear_render_target(ctx->pipe, dst, rgba, dstx, dsty, width, height);
 143    else
 144       util_clear_render_target(ctx->pipe, dst, rgba, dstx, dsty, width, height);
 145 }
 146
 147 static void
 148 sp_mpeg12_surface_copy(struct pipe_video_context *vpipe,
 149                        struct pipe_surface *dst,
 150                        unsigned dstx, unsigned dsty,
 151                        struct pipe_surface *src,
 152                        unsigned srcx, unsigned srcy,
 153                        unsigned width, unsigned height)
 154 {
 155    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 156
 157    assert(vpipe);
 158    assert(dst);
 159
 160    struct pipe_subresource subdst, subsrc;
 161    subdst.face = dst->face;
 162    subdst.level = dst->level;
 163    subsrc.face = src->face;
 164    subsrc.level = src->level;
 165
 166    if (ctx->pipe->resource_copy_region)
 167       ctx->pipe->resource_copy_region(ctx->pipe, dst->texture, subdst, dstx, dsty, dst->zslice,
 168                                       src->texture, subsrc, srcx, srcy, src->zslice,
 169                                       width, height);
 170    else
 171       util_resource_copy_region(ctx->pipe, dst->texture, subdst, dstx, dsty, dst->zslice,
 172                                 src->texture, subsrc, srcx, srcy, src->zslice,
 173                                 width, height);
 174 }
 175
 176 static struct pipe_transfer*
 177 sp_mpeg12_get_transfer(struct pipe_video_context *vpipe,
 178                        struct pipe_resource *resource,
 179                        struct pipe_subresource subresource,
 180                        unsigned usage,  /* a combination of PIPE_TRANSFER_x */
 181                        const struct pipe_box *box)
 182 {
 183    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 184
 185    assert(vpipe);
 186    assert(resource);
 187    assert(box);
 188
 189    return ctx->pipe->get_transfer(ctx->pipe, resource, subresource, usage, box);
 190 }
 191
 192 static void
 193 sp_mpeg12_transfer_destroy(struct pipe_video_context *vpipe,
 194                            struct pipe_transfer *transfer)
 195 {
 196    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 197
 198    assert(vpipe);
 199    assert(transfer);
 200
 201    ctx->pipe->transfer_destroy(ctx->pipe, transfer);
 202 }
 203
 204 static void*
 205 sp_mpeg12_transfer_map(struct pipe_video_context *vpipe,
 206                        struct pipe_transfer *transfer)
 207 {
 208    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 209
 210    assert(vpipe);
 211    assert(transfer);
 212
 213    return ctx->pipe->transfer_map(ctx->pipe, transfer);
 214 }
 215
 216 static void
 217 sp_mpeg12_transfer_flush_region(struct pipe_video_context *vpipe,
 218                                 struct pipe_transfer *transfer,
 219                                 const struct pipe_box *box)
 220 {
 221    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 222
 223    assert(vpipe);
 224    assert(transfer);
 225    assert(box);
 226
 227    ctx->pipe->transfer_flush_region(ctx->pipe, transfer, box);
 228 }
 229
 230 static void
 231 sp_mpeg12_transfer_unmap(struct pipe_video_context *vpipe,
 232                          struct pipe_transfer *transfer)
 233 {
 234    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 235
 236    assert(vpipe);
 237    assert(transfer);
 238
 239    ctx->pipe->transfer_unmap(ctx->pipe, transfer);
 240 }
 241
 242 static void
 243 sp_mpeg12_transfer_inline_write(struct pipe_video_context *vpipe,
 244                                 struct pipe_resource *resource,
 245                                 struct pipe_subresource subresource,
 246                                 unsigned usage, /* a combination of PIPE_TRANSFER_x */
 247                                 const struct pipe_box *box,
 248                                 const void *data,
 249                                 unsigned stride,
 250                                 unsigned slice_stride)
 251 {
 252    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 253
 254    assert(vpipe);
 255    assert(resource);
 256    assert(box);
 257    assert(data);
 258    assert(ctx->pipe->transfer_inline_write);
 259
 260    ctx->pipe->transfer_inline_write(ctx->pipe, resource, subresource, usage,
 261                                     box, data, stride, slice_stride);
 262 }
 263
 264 static void
 265 sp_mpeg12_render_picture(struct pipe_video_context     *vpipe,
 266                          struct pipe_surface           *src_surface,
 267                          enum pipe_mpeg12_picture_type picture_type,
 268                          /*unsigned                    num_past_surfaces,
 269                          struct pipe_surface           *past_surfaces,
 270                          unsigned                      num_future_surfaces,
 271                          struct pipe_surface           *future_surfaces,*/
 272                          struct pipe_video_rect        *src_area,
 273                          struct pipe_surface           *dst_surface,
 274                          struct pipe_video_rect        *dst_area,
 275                          struct pipe_fence_handle      **fence)
 276 {
 277    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 278
 279    assert(vpipe);
 280    assert(src_surface);
 281    assert(src_area);
 282    assert(dst_surface);
 283    assert(dst_area);
 284
 285    vl_compositor_render(&ctx->compositor, src_surface,
 286                         picture_type, src_area, dst_surface, dst_area, fence);
 287 }
 288
 289 static void
 290 sp_mpeg12_set_picture_background(struct pipe_video_context *vpipe,
 291                                   struct pipe_surface *bg,
 292                                   struct pipe_video_rect *bg_src_rect)
 293 {
 294    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 295
 296    assert(vpipe);
 297    assert(bg);
 298    assert(bg_src_rect);
 299
 300    vl_compositor_set_background(&ctx->compositor, bg, bg_src_rect);
 301 }
 302
 303 static void
 304 sp_mpeg12_set_picture_layers(struct pipe_video_context *vpipe,
 305                              struct pipe_surface *layers[],
 306                              struct pipe_video_rect *src_rects[],
 307                              struct pipe_video_rect *dst_rects[],
 308                              unsigned num_layers)
 309 {
 310    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 311
 312    assert(vpipe);
 313    assert((layers && src_rects && dst_rects) ||
 314           (!layers && !src_rects && !dst_rects));
 315
 316    vl_compositor_set_layers(&ctx->compositor, layers, src_rects, dst_rects, num_layers);
 317 }
 318
 319 static void
 320 sp_mpeg12_set_decode_target(struct pipe_video_context *vpipe,
 321                             struct pipe_surface *dt)
 322 {
 323    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 324
 325    assert(vpipe);
 326    assert(dt);
 327
 328    pipe_surface_reference(&ctx->decode_target, dt);
 329 }
 330
 331 static void
 332 sp_mpeg12_set_csc_matrix(struct pipe_video_context *vpipe, const float *mat)
 333 {
 334    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 335
 336    assert(vpipe);
 337
 338    vl_compositor_set_csc_matrix(&ctx->compositor, mat);
 339 }
 340
 341 static bool
 342 init_pipe_state(struct sp_mpeg12_context *ctx)
 343 {
 344    struct pipe_rasterizer_state rast;
 345    struct pipe_blend_state blend;
 346    struct pipe_depth_stencil_alpha_state dsa;
 347    unsigned i;
 348
 349    assert(ctx);
 350
 351    memset(&rast, 0, sizeof rast);
 352    rast.flatshade = 1;
 353    rast.flatshade_first = 0;
 354    rast.light_twoside = 0;
 355    rast.front_ccw = 1;
 356    rast.cull_face = PIPE_FACE_NONE;
 357    rast.fill_back = PIPE_POLYGON_MODE_FILL;
 358    rast.fill_front = PIPE_POLYGON_MODE_FILL;
 359    rast.offset_point = 0;
 360    rast.offset_line = 0;
 361    rast.scissor = 0;
 362    rast.poly_smooth = 0;
 363    rast.poly_stipple_enable = 0;
 364    rast.sprite_coord_enable = 0;
 365    rast.point_size_per_vertex = 0;
 366    rast.multisample = 0;
 367    rast.line_smooth = 0;
 368    rast.line_stipple_enable = 0;
 369    rast.line_stipple_factor = 0;
 370    rast.line_stipple_pattern = 0;
 371    rast.line_last_pixel = 0;
 372    rast.line_width = 1;
 373    rast.point_smooth = 0;
 374    rast.point_quad_rasterization = 0;
 375    rast.point_size = 1;
 376    rast.offset_units = 1;
 377    rast.offset_scale = 1;
 378    rast.gl_rasterization_rules = 1;
 379    ctx->rast = ctx->pipe->create_rasterizer_state(ctx->pipe, &rast);
 380    ctx->pipe->bind_rasterizer_state(ctx->pipe, ctx->rast);
 381
 382    memset(&blend, 0, sizeof blend);
 383    blend.independent_blend_enable = 0;
 384    blend.rt[0].blend_enable = 0;
 385    blend.rt[0].rgb_func = PIPE_BLEND_ADD;
 386    blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
 387    blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
 388    blend.rt[0].alpha_func = PIPE_BLEND_ADD;
 389    blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
 390    blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
 391    blend.logicop_enable = 0;
 392    blend.logicop_func = PIPE_LOGICOP_CLEAR;
 393    /* Needed to allow color writes to FB, even if blending disabled */
 394    blend.rt[0].colormask = PIPE_MASK_RGBA;
 395    blend.dither = 0;
 396    ctx->blend = ctx->pipe->create_blend_state(ctx->pipe, &blend);
 397    ctx->pipe->bind_blend_state(ctx->pipe, ctx->blend);
 398
 399    memset(&dsa, 0, sizeof dsa);
 400    dsa.depth.enabled = 0;
 401    dsa.depth.writemask = 0;
 402    dsa.depth.func = PIPE_FUNC_ALWAYS;
 403    for (i = 0; i < 2; ++i) {
 404       dsa.stencil[i].enabled = 0;
 405       dsa.stencil[i].func = PIPE_FUNC_ALWAYS;
 406       dsa.stencil[i].fail_op = PIPE_STENCIL_OP_KEEP;
 407       dsa.stencil[i].zpass_op = PIPE_STENCIL_OP_KEEP;
 408       dsa.stencil[i].zfail_op = PIPE_STENCIL_OP_KEEP;
 409       dsa.stencil[i].valuemask = 0;
 410       dsa.stencil[i].writemask = 0;
 411    }
 412    dsa.alpha.enabled = 0;
 413    dsa.alpha.func = PIPE_FUNC_ALWAYS;
 414    dsa.alpha.ref_value = 0;
 415    ctx->dsa = ctx->pipe->create_depth_stencil_alpha_state(ctx->pipe, &dsa);
 416    ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, ctx->dsa);
 417
 418    return true;
 419 }
 420
 421 static struct pipe_video_context *
 422 sp_mpeg12_create(struct pipe_context *pipe, enum pipe_video_profile profile,
 423                  enum pipe_video_chroma_format chroma_format,
 424                  unsigned width, unsigned height,
 425                  enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode,
 426                  enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling,
 427                  bool pot_buffers,
 428                  enum pipe_format decode_format)
 429 {
 430    struct sp_mpeg12_context *ctx;
 431
 432    assert(u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12);
 433
 434    ctx = CALLOC_STRUCT(sp_mpeg12_context);
 435
 436    if (!ctx)
 437       return NULL;
 438
 439    ctx->base.profile = profile;
 440    ctx->base.chroma_format = chroma_format;
 441    ctx->base.width = width;
 442    ctx->base.height = height;
 443
 444    ctx->base.screen = pipe->screen;
 445    ctx->base.destroy = sp_mpeg12_destroy;
 446    ctx->base.get_param = sp_mpeg12_get_param;
 447    ctx->base.is_format_supported = sp_mpeg12_is_format_supported;
 448    ctx->base.decode_macroblocks = sp_mpeg12_decode_macroblocks;
 449    ctx->base.render_picture = sp_mpeg12_render_picture;
 450    ctx->base.surface_fill = sp_mpeg12_surface_fill;
 451    ctx->base.surface_copy = sp_mpeg12_surface_copy;
 452    ctx->base.get_transfer = sp_mpeg12_get_transfer;
 453    ctx->base.transfer_destroy = sp_mpeg12_transfer_destroy;
 454    ctx->base.transfer_map = sp_mpeg12_transfer_map;
 455    ctx->base.transfer_flush_region = sp_mpeg12_transfer_flush_region;
 456    ctx->base.transfer_unmap = sp_mpeg12_transfer_unmap;
 457    if (pipe->transfer_inline_write)
 458       ctx->base.transfer_inline_write = sp_mpeg12_transfer_inline_write;
 459    ctx->base.set_picture_background = sp_mpeg12_set_picture_background;
 460    ctx->base.set_picture_layers = sp_mpeg12_set_picture_layers;
 461    ctx->base.set_decode_target = sp_mpeg12_set_decode_target;
 462    ctx->base.set_csc_matrix = sp_mpeg12_set_csc_matrix;
 463
 464    ctx->pipe = pipe;
 465    ctx->decode_format = decode_format;
 466
 467    if (!vl_mpeg12_mc_renderer_init(&ctx->mc_renderer, ctx->pipe,
 468                                    width, height, chroma_format,
 469                                    bufmode, eb_handling, pot_buffers)) {
 470       ctx->pipe->destroy(ctx->pipe);
 471       FREE(ctx);
 472       return NULL;
 473    }
 474
 475    if (!vl_compositor_init(&ctx->compositor, ctx->pipe)) {
 476       vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer);
 477       ctx->pipe->destroy(ctx->pipe);
 478       FREE(ctx);
 479       return NULL;
 480    }
 481
 482    if (!init_pipe_state(ctx)) {
 483       vl_compositor_cleanup(&ctx->compositor);
 484       vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer);
 485       ctx->pipe->destroy(ctx->pipe);
 486       FREE(ctx);
 487       return NULL;
 488    }
 489
 490    return &ctx->base;
 491 }
 492
 493 struct pipe_video_context *
 494 sp_video_create(struct pipe_screen *screen, enum pipe_video_profile profile,
 495                 enum pipe_video_chroma_format chroma_format,
 496                 unsigned width, unsigned height, void *priv)
 497 {
 498    struct pipe_context *pipe;
 499
 500    assert(screen);
 501    assert(width && height);
 502
 503    pipe = screen->context_create(screen, NULL);
 504    if (!pipe)
 505       return NULL;
 506
 507    /* TODO: Use slice buffering for softpipe when implemented, no advantage to buffering an entire picture with softpipe */
 508    /* TODO: Use XFER_NONE when implemented */
 509    return sp_video_create_ex(pipe, profile,
 510                              chroma_format,
 511                              width, height,
 512                              VL_MPEG12_MC_RENDERER_BUFFER_PICTURE,
 513                              VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE,
 514                              true,
 515                              PIPE_FORMAT_XYUV);
 516 }
 517
 518 struct pipe_video_context *
 519 sp_video_create_ex(struct pipe_context *pipe, enum pipe_video_profile profile,
 520                    enum pipe_video_chroma_format chroma_format,
 521                    unsigned width, unsigned height,
 522                    enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode,
 523                    enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling,
 524                    bool pot_buffers,
 525                    enum pipe_format decode_format)
 526 {
 527    assert(pipe);
 528    assert(width && height);
 529
 530    switch (u_reduce_video_profile(profile)) {
 531       case PIPE_VIDEO_CODEC_MPEG12:
 532          return sp_mpeg12_create(pipe, profile,
 533                                  chroma_format,
 534                                  width, height,
 535                                  bufmode, eb_handling,
 536                                  pot_buffers,
 537                                  decode_format);
 538       default:
 539          return NULL;
 540    }
 541 }