1 /************************************************************************** 2 * 3 * Copyright 2013 Grigori Goronzy <greg (at) chown.ath.cx>. 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 /* 29 * References: 30 * 31 * Lin, S. F., Chang, Y. L., & Chen, L. G. (2003). 32 * Motion adaptive interpolation with horizontal motion detection for deinterlacing. 33 * Consumer Electronics, IEEE Transactions on, 49(4), 1256-1265. 34 * 35 * Pei-Yin, C. H. E. N., & Yao-Hsien, L. A. I. (2007). 36 * A low-complexity interpolation method for deinterlacing. 37 * IEICE transactions on information and systems, 90(2), 606-608. 38 * 39 */ 40 41 #include <stdio.h> 42 43 #include "pipe/p_context.h" 44 45 #include "tgsi/tgsi_ureg.h" 46 47 #include "util/u_draw.h" 48 #include "util/u_memory.h" 49 #include "util/u_math.h" 50 #include "util/u_format.h" 51 52 #include "vl_types.h" 53 #include "vl_video_buffer.h" 54 #include "vl_vertex_buffers.h" 55 #include "vl_deint_filter.h" 56 57 enum VS_OUTPUT 58 { 59 VS_O_VPOS = 0, 60 VS_O_VTEX = 0 61 }; 62 63 static void * 64 create_vert_shader(struct vl_deint_filter *filter) 65 { 66 struct ureg_program *shader; 67 struct ureg_src i_vpos; 68 struct ureg_dst o_vpos, o_vtex; 69 70 shader = ureg_create(PIPE_SHADER_VERTEX); 71 if (!shader) 72 return NULL; 73 74 i_vpos = ureg_DECL_vs_input(shader, 0); 75 o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS); 76 o_vtex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX); 77 78 ureg_MOV(shader, o_vpos, i_vpos); 79 ureg_MOV(shader, o_vtex, i_vpos); 80 81 ureg_END(shader); 82 83 return ureg_create_shader_and_destroy(shader, filter->pipe); 84 } 85 86 static void * 87 create_copy_frag_shader(struct vl_deint_filter *filter, unsigned field) 88 { 89 struct ureg_program *shader; 90 struct ureg_src i_vtex; 91 struct ureg_src sampler; 92 struct ureg_dst o_fragment; 93 struct ureg_dst t_tex; 94 95 shader = ureg_create(PIPE_SHADER_FRAGMENT); 96 if (!shader) { 97 return NULL; 98 } 99 t_tex = ureg_DECL_temporary(shader); 100 101 i_vtex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR); 102 sampler = ureg_DECL_sampler(shader, 2); 103 o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); 104 105 ureg_MOV(shader, t_tex, i_vtex); 106 if (field) { 107 ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW), 108 ureg_imm4f(shader, 0, 0, 1.0f, 0)); 109 } else { 110 ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW), 111 ureg_imm1f(shader, 0)); 112 } 113 114 ureg_TEX(shader, o_fragment, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_tex), sampler); 115 116 ureg_release_temporary(shader, t_tex); 117 ureg_END(shader); 118 119 return ureg_create_shader_and_destroy(shader, filter->pipe); 120 } 121 122 static void * 123 create_deint_frag_shader(struct vl_deint_filter *filter, unsigned field, 124 struct vertex2f *sizes, bool spatial_filter) 125 { 126 struct ureg_program *shader; 127 struct ureg_src i_vtex; 128 struct ureg_src sampler_cur; 129 struct ureg_src sampler_prevprev; 130 struct ureg_src sampler_prev; 131 struct ureg_src sampler_next; 132 struct ureg_dst o_fragment; 133 struct ureg_dst t_tex; 134 struct ureg_dst t_comp_top, t_comp_bot; 135 struct ureg_dst t_diff; 136 struct ureg_dst t_a, t_b; 137 struct ureg_dst t_weave, t_linear; 138 139 shader = ureg_create(PIPE_SHADER_FRAGMENT); 140 if (!shader) { 141 return NULL; 142 } 143 144 t_tex = ureg_DECL_temporary(shader); 145 t_comp_top = ureg_DECL_temporary(shader); 146 t_comp_bot = ureg_DECL_temporary(shader); 147 t_diff = ureg_DECL_temporary(shader); 148 t_a = ureg_DECL_temporary(shader); 149 t_b = ureg_DECL_temporary(shader); 150 t_weave = ureg_DECL_temporary(shader); 151 t_linear = ureg_DECL_temporary(shader); 152 153 i_vtex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR); 154 sampler_prevprev = ureg_DECL_sampler(shader, 0); 155 sampler_prev = ureg_DECL_sampler(shader, 1); 156 sampler_cur = ureg_DECL_sampler(shader, 2); 157 sampler_next = ureg_DECL_sampler(shader, 3); 158 o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); 159 160 // we don't care about ZW interpolation (allows better optimization) 161 ureg_MOV(shader, t_tex, i_vtex); 162 ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW), 163 ureg_imm1f(shader, 0)); 164 165 // sample between texels for cheap lowpass 166 ureg_ADD(shader, t_comp_top, ureg_src(t_tex), 167 ureg_imm4f(shader, sizes->x * 0.5f, sizes->y * -0.5f, 0, 0)); 168 ureg_ADD(shader, t_comp_bot, ureg_src(t_tex), 169 ureg_imm4f(shader, sizes->x * -0.5f, sizes->y * 0.5f, 1.0f, 0)); 170 171 if (field == 0) { 172 /* interpolating top field -> current field is a bottom field */ 173 // cur vs prev2 174 ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_cur); 175 ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prevprev); 176 ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_negate(ureg_src(t_b))); 177 // prev vs next 178 ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_prev); 179 ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_next); 180 ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_negate(ureg_src(t_b))); 181 } else { 182 /* interpolating bottom field -> current field is a top field */ 183 // cur vs prev2 184 ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_cur); 185 ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_prevprev); 186 ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_a), ureg_negate(ureg_src(t_b))); 187 // prev vs next 188 ureg_TEX(shader, t_a, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prev); 189 ureg_TEX(shader, t_b, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_next); 190 ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_Y), ureg_src(t_a), ureg_negate(ureg_src(t_b))); 191 } 192 193 // absolute maximum of differences 194 ureg_MAX(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_abs(ureg_src(t_diff)), 195 ureg_scalar(ureg_abs(ureg_src(t_diff)), TGSI_SWIZZLE_Y)); 196 197 if (field == 0) { 198 /* weave with prev top field */ 199 ureg_TEX(shader, t_weave, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_tex), sampler_prev); 200 /* get linear interpolation from current bottom field */ 201 ureg_ADD(shader, t_comp_top, ureg_src(t_tex), ureg_imm4f(shader, 0, sizes->y * -1.0f, 1.0f, 0)); 202 ureg_TEX(shader, t_linear, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_top), sampler_cur); 203 } else { 204 /* weave with prev bottom field */ 205 ureg_ADD(shader, t_comp_bot, ureg_src(t_tex), ureg_imm4f(shader, 0, 0, 1.0f, 0)); 206 ureg_TEX(shader, t_weave, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_prev); 207 /* get linear interpolation from current top field */ 208 ureg_ADD(shader, t_comp_bot, ureg_src(t_tex), ureg_imm4f(shader, 0, sizes->y * 1.0f, 0, 0)); 209 ureg_TEX(shader, t_linear, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_comp_bot), sampler_cur); 210 } 211 212 // mix between weave and linear 213 // fully weave if diff < 6 (0.02353), fully interpolate if diff > 14 (0.05490) 214 ureg_ADD(shader, ureg_writemask(t_diff, TGSI_WRITEMASK_X), ureg_src(t_diff), 215 ureg_imm4f(shader, -0.02353f, 0, 0, 0)); 216 ureg_MUL(shader, ureg_saturate(ureg_writemask(t_diff, TGSI_WRITEMASK_X)), 217 ureg_src(t_diff), ureg_imm4f(shader, 31.8750f, 0, 0, 0)); 218 ureg_LRP(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_X), ureg_src(t_diff), 219 ureg_src(t_linear), ureg_src(t_weave)); 220 ureg_MOV(shader, o_fragment, ureg_scalar(ureg_src(t_tex), TGSI_SWIZZLE_X)); 221 222 ureg_release_temporary(shader, t_tex); 223 ureg_release_temporary(shader, t_comp_top); 224 ureg_release_temporary(shader, t_comp_bot); 225 ureg_release_temporary(shader, t_diff); 226 ureg_release_temporary(shader, t_a); 227 ureg_release_temporary(shader, t_b); 228 ureg_release_temporary(shader, t_weave); 229 ureg_release_temporary(shader, t_linear); 230 ureg_END(shader); 231 232 return ureg_create_shader_and_destroy(shader, filter->pipe); 233 } 234 235 bool 236 vl_deint_filter_init(struct vl_deint_filter *filter, struct pipe_context *pipe, 237 unsigned video_width, unsigned video_height, 238 bool skip_chroma, bool spatial_filter) 239 { 240 struct pipe_rasterizer_state rs_state; 241 struct pipe_blend_state blend; 242 struct pipe_sampler_state sampler; 243 struct pipe_vertex_element ve; 244 struct vertex2f sizes; 245 struct pipe_video_buffer templ; 246 247 assert(filter && pipe); 248 assert(video_width && video_height); 249 250 memset(filter, 0, sizeof(*filter)); 251 filter->pipe = pipe; 252 filter->skip_chroma = skip_chroma; 253 filter->video_width = video_width; 254 filter->video_height = video_height; 255 256 /* TODO: handle other than 4:2:0 subsampling */ 257 memset(&templ, 0, sizeof(templ)); 258 templ.buffer_format = pipe->screen->get_video_param 259 ( 260 pipe->screen, 261 PIPE_VIDEO_PROFILE_UNKNOWN, 262 PIPE_VIDEO_ENTRYPOINT_UNKNOWN, 263 PIPE_VIDEO_CAP_PREFERED_FORMAT 264 ); 265 templ.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420; 266 templ.width = video_width; 267 templ.height = video_height; 268 templ.interlaced = true; 269 filter->video_buffer = vl_video_buffer_create(pipe, &templ); 270 if (!filter->video_buffer) 271 goto error_video_buffer; 272 273 memset(&rs_state, 0, sizeof(rs_state)); 274 rs_state.half_pixel_center = true; 275 rs_state.bottom_edge_rule = true; 276 rs_state.depth_clip = 1; 277 filter->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); 278 if (!filter->rs_state) 279 goto error_rs_state; 280 281 memset(&blend, 0, sizeof blend); 282 blend.rt[0].colormask = PIPE_MASK_R; 283 filter->blend[0] = pipe->create_blend_state(pipe, &blend); 284 if (!filter->blend[0]) 285 goto error_blendR; 286 287 blend.rt[0].colormask = PIPE_MASK_G; 288 filter->blend[1] = pipe->create_blend_state(pipe, &blend); 289 if (!filter->blend[1]) 290 goto error_blendG; 291 292 blend.rt[0].colormask = PIPE_MASK_B; 293 filter->blend[2] = pipe->create_blend_state(pipe, &blend); 294 if (!filter->blend[2]) 295 goto error_blendB; 296 297 memset(&sampler, 0, sizeof(sampler)); 298 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 299 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 300 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 301 sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR; 302 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 303 sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR; 304 sampler.normalized_coords = 1; 305 filter->sampler[0] = pipe->create_sampler_state(pipe, &sampler); 306 filter->sampler[1] = filter->sampler[2] = filter->sampler[3] = filter->sampler[0]; 307 if (!filter->sampler[0]) 308 goto error_sampler; 309 310 filter->quad = vl_vb_upload_quads(pipe); 311 if(!filter->quad.buffer) 312 goto error_quad; 313 314 memset(&ve, 0, sizeof(ve)); 315 ve.src_offset = 0; 316 ve.instance_divisor = 0; 317 ve.vertex_buffer_index = 0; 318 ve.src_format = PIPE_FORMAT_R32G32_FLOAT; 319 filter->ves = pipe->create_vertex_elements_state(pipe, 1, &ve); 320 if (!filter->ves) 321 goto error_ves; 322 323 sizes.x = 1.0f / video_width; 324 sizes.y = 1.0f / video_height; 325 326 filter->vs = create_vert_shader(filter); 327 if (!filter->vs) 328 goto error_vs; 329 330 filter->fs_copy_top = create_copy_frag_shader(filter, 0); 331 if (!filter->fs_copy_top) 332 goto error_fs_copy_top; 333 334 filter->fs_copy_bottom = create_copy_frag_shader(filter, 1); 335 if (!filter->fs_copy_bottom) 336 goto error_fs_copy_bottom; 337 338 filter->fs_deint_top = create_deint_frag_shader(filter, 0, &sizes, spatial_filter); 339 if (!filter->fs_deint_top) 340 goto error_fs_deint_top; 341 342 filter->fs_deint_bottom = create_deint_frag_shader(filter, 1, &sizes, spatial_filter); 343 if (!filter->fs_deint_bottom) 344 goto error_fs_deint_bottom; 345 346 return true; 347 348 error_fs_deint_bottom: 349 pipe->delete_fs_state(pipe, filter->fs_deint_top); 350 351 error_fs_deint_top: 352 pipe->delete_fs_state(pipe, filter->fs_copy_bottom); 353 354 error_fs_copy_bottom: 355 pipe->delete_fs_state(pipe, filter->fs_copy_top); 356 357 error_fs_copy_top: 358 pipe->delete_vs_state(pipe, filter->vs); 359 360 error_vs: 361 pipe->delete_vertex_elements_state(pipe, filter->ves); 362 363 error_ves: 364 pipe_resource_reference(&filter->quad.buffer, NULL); 365 366 error_quad: 367 pipe->delete_sampler_state(pipe, filter->sampler); 368 369 error_sampler: 370 pipe->delete_blend_state(pipe, filter->blend[2]); 371 372 error_blendB: 373 pipe->delete_blend_state(pipe, filter->blend[1]); 374 375 error_blendG: 376 pipe->delete_blend_state(pipe, filter->blend[0]); 377 378 error_blendR: 379 pipe->delete_rasterizer_state(pipe, filter->rs_state); 380 381 error_rs_state: 382 filter->video_buffer->destroy(filter->video_buffer); 383 384 error_video_buffer: 385 return false; 386 } 387 388 void 389 vl_deint_filter_cleanup(struct vl_deint_filter *filter) 390 { 391 assert(filter); 392 393 filter->pipe->delete_sampler_state(filter->pipe, filter->sampler[0]); 394 filter->pipe->delete_blend_state(filter->pipe, filter->blend[0]); 395 filter->pipe->delete_blend_state(filter->pipe, filter->blend[1]); 396 filter->pipe->delete_blend_state(filter->pipe, filter->blend[2]); 397 filter->pipe->delete_rasterizer_state(filter->pipe, filter->rs_state); 398 filter->pipe->delete_vertex_elements_state(filter->pipe, filter->ves); 399 pipe_resource_reference(&filter->quad.buffer, NULL); 400 401 filter->pipe->delete_vs_state(filter->pipe, filter->vs); 402 filter->pipe->delete_fs_state(filter->pipe, filter->fs_copy_top); 403 filter->pipe->delete_fs_state(filter->pipe, filter->fs_copy_bottom); 404 filter->pipe->delete_fs_state(filter->pipe, filter->fs_deint_top); 405 filter->pipe->delete_fs_state(filter->pipe, filter->fs_deint_bottom); 406 407 filter->video_buffer->destroy(filter->video_buffer); 408 } 409 410 bool 411 vl_deint_filter_check_buffers(struct vl_deint_filter *filter, 412 struct pipe_video_buffer *prevprev, 413 struct pipe_video_buffer *prev, 414 struct pipe_video_buffer *cur, 415 struct pipe_video_buffer *next) 416 { 417 int i; 418 struct pipe_video_buffer *bufs[] = { prevprev, prev, cur, next }; 419 420 for (i = 0; i < 4; i++) { 421 if (bufs[i]->chroma_format != PIPE_VIDEO_CHROMA_FORMAT_420) 422 return false; 423 if (bufs[i]->width < filter->video_width || 424 bufs[i]->height < filter->video_height) 425 return false; 426 if (!bufs[i]->interlaced) 427 return false; 428 } 429 430 return true; 431 } 432 433 void 434 vl_deint_filter_render(struct vl_deint_filter *filter, 435 struct pipe_video_buffer *prevprev, 436 struct pipe_video_buffer *prev, 437 struct pipe_video_buffer *cur, 438 struct pipe_video_buffer *next, 439 unsigned field) 440 { 441 struct pipe_viewport_state viewport; 442 struct pipe_framebuffer_state fb_state; 443 struct pipe_sampler_view **cur_sv; 444 struct pipe_sampler_view **prevprev_sv; 445 struct pipe_sampler_view **prev_sv; 446 struct pipe_sampler_view **next_sv; 447 struct pipe_sampler_view *sampler_views[4]; 448 struct pipe_surface **dst_surfaces; 449 const unsigned *plane_order; 450 int i; 451 unsigned j; 452 453 assert(filter && prevprev && prev && cur && next && field <= 1); 454 455 /* set up destination and source */ 456 dst_surfaces = filter->video_buffer->get_surfaces(filter->video_buffer); 457 plane_order = vl_video_buffer_plane_order(filter->video_buffer->buffer_format); 458 cur_sv = cur->get_sampler_view_components(cur); 459 prevprev_sv = prevprev->get_sampler_view_components(prevprev); 460 prev_sv = prev->get_sampler_view_components(prev); 461 next_sv = next->get_sampler_view_components(next); 462 463 /* set up pipe state */ 464 filter->pipe->bind_rasterizer_state(filter->pipe, filter->rs_state); 465 filter->pipe->set_vertex_buffers(filter->pipe, 0, 1, &filter->quad); 466 filter->pipe->bind_vertex_elements_state(filter->pipe, filter->ves); 467 filter->pipe->bind_vs_state(filter->pipe, filter->vs); 468 filter->pipe->bind_sampler_states(filter->pipe, PIPE_SHADER_FRAGMENT, 469 0, 4, filter->sampler); 470 471 /* prepare viewport */ 472 memset(&viewport, 0, sizeof(viewport)); 473 viewport.scale[2] = 1; 474 475 /* prepare framebuffer */ 476 memset(&fb_state, 0, sizeof(fb_state)); 477 fb_state.nr_cbufs = 1; 478 479 /* process each plane separately */ 480 for (i = 0, j = 0; i < VL_NUM_COMPONENTS; ++i) { 481 struct pipe_surface *blit_surf = dst_surfaces[field]; 482 struct pipe_surface *dst_surf = dst_surfaces[1 - field]; 483 int k = plane_order[i]; 484 485 /* bind blend state for this component in the plane */ 486 filter->pipe->bind_blend_state(filter->pipe, filter->blend[j]); 487 488 /* update render target state */ 489 viewport.scale[0] = blit_surf->texture->width0; 490 viewport.scale[1] = blit_surf->texture->height0; 491 fb_state.width = blit_surf->texture->width0; 492 fb_state.height = blit_surf->texture->height0; 493 494 /* update sampler view sources */ 495 sampler_views[0] = prevprev_sv[k]; 496 sampler_views[1] = prev_sv[k]; 497 sampler_views[2] = cur_sv[k]; 498 sampler_views[3] = next_sv[k]; 499 filter->pipe->set_sampler_views(filter->pipe, PIPE_SHADER_FRAGMENT, 0, 4, sampler_views); 500 501 /* blit current field */ 502 fb_state.cbufs[0] = blit_surf; 503 filter->pipe->bind_fs_state(filter->pipe, field ? filter->fs_copy_bottom : filter->fs_copy_top); 504 filter->pipe->set_framebuffer_state(filter->pipe, &fb_state); 505 filter->pipe->set_viewport_states(filter->pipe, 0, 1, &viewport); 506 util_draw_arrays(filter->pipe, PIPE_PRIM_QUADS, 0, 4); 507 508 /* blit or interpolate other field */ 509 fb_state.cbufs[0] = dst_surf; 510 filter->pipe->set_framebuffer_state(filter->pipe, &fb_state); 511 if (i > 0 && filter->skip_chroma) { 512 util_draw_arrays(filter->pipe, PIPE_PRIM_QUADS, 0, 4); 513 } else { 514 filter->pipe->bind_fs_state(filter->pipe, field ? filter->fs_deint_top : filter->fs_deint_bottom); 515 util_draw_arrays(filter->pipe, PIPE_PRIM_QUADS, 0, 4); 516 } 517 518 if (++j >= util_format_get_nr_components(dst_surf->format)) { 519 dst_surfaces += 2; 520 j = 0; 521 } 522 } 523 } 524
