vl_mc.c revision 9937e85bccbf2f6bd77d061ab0488d45e9366f10
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 <assert.h> 29 30#include <pipe/p_context.h> 31 32#include <util/u_sampler.h> 33#include <util/u_draw.h> 34 35#include <tgsi/tgsi_ureg.h> 36 37#include "vl_defines.h" 38#include "vl_vertex_buffers.h" 39#include "vl_mc.h" 40#include "vl_idct.h" 41 42enum VS_OUTPUT 43{ 44 VS_O_VPOS, 45 VS_O_VTOP, 46 VS_O_VBOTTOM, 47 48 VS_O_FLAGS = VS_O_VTOP, 49 VS_O_VTEX = VS_O_VBOTTOM 50}; 51 52static struct ureg_dst 53calc_position(struct vl_mc *r, struct ureg_program *shader, struct ureg_src block_scale) 54{ 55 struct ureg_src vrect, vpos; 56 struct ureg_dst t_vpos; 57 struct ureg_dst o_vpos; 58 59 vrect = ureg_DECL_vs_input(shader, VS_I_RECT); 60 vpos = ureg_DECL_vs_input(shader, VS_I_VPOS); 61 62 t_vpos = ureg_DECL_temporary(shader); 63 64 o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS); 65 66 /* 67 * block_scale = (MACROBLOCK_WIDTH, MACROBLOCK_HEIGHT) / (dst.width, dst.height) 68 * 69 * t_vpos = (vpos + vrect) * block_scale 70 * o_vpos.xy = t_vpos 71 * o_vpos.zw = vpos 72 */ 73 ureg_ADD(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), vpos, vrect); 74 ureg_MUL(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos), block_scale); 75 ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos)); 76 ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 1.0f)); 77 78 return t_vpos; 79} 80 81static struct ureg_dst 82calc_line(struct ureg_program *shader) 83{ 84 struct ureg_dst tmp; 85 struct ureg_src pos; 86 87 tmp = ureg_DECL_temporary(shader); 88 89 pos = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS, TGSI_INTERPOLATE_LINEAR); 90 91 /* 92 * tmp.y = fraction(pos.y / 2) >= 0.5 ? 1 : 0 93 */ 94 ureg_MUL(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), pos, ureg_imm1f(shader, 0.5f)); 95 ureg_FRC(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(tmp)); 96 ureg_SGE(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(tmp), ureg_imm1f(shader, 0.5f)); 97 98 return tmp; 99} 100 101static void * 102create_ref_vert_shader(struct vl_mc *r) 103{ 104 struct ureg_program *shader; 105 struct ureg_src mv_scale; 106 struct ureg_src vrect, vmv[2]; 107 struct ureg_dst t_vpos; 108 struct ureg_dst o_vpos, o_vmv[2]; 109 unsigned i; 110 111 shader = ureg_create(TGSI_PROCESSOR_VERTEX); 112 if (!shader) 113 return NULL; 114 115 vrect = ureg_DECL_vs_input(shader, VS_I_RECT); 116 vmv[0] = ureg_DECL_vs_input(shader, VS_I_MV_TOP); 117 vmv[1] = ureg_DECL_vs_input(shader, VS_I_MV_BOTTOM); 118 119 t_vpos = calc_position(r, shader, ureg_imm2f(shader, 120 (float)MACROBLOCK_WIDTH / r->buffer_width, 121 (float)MACROBLOCK_HEIGHT / r->buffer_height) 122 ); 123 124 o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS); 125 o_vmv[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTOP); 126 o_vmv[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VBOTTOM); 127 128 /* 129 * mv_scale.xy = 0.5 / (dst.width, dst.height); 130 * mv_scale.z = 1.0f / 4.0f 131 * mv_scale.w = 1.0f / 255.0f 132 * 133 * // Apply motion vectors 134 * o_vmv[0..1].xy = vmv[0..1] * mv_scale + t_vpos 135 * o_vmv[0..1].zw = vmv[0..1] * mv_scale 136 * 137 */ 138 139 mv_scale = ureg_imm4f(shader, 140 0.5f / r->buffer_width, 141 0.5f / r->buffer_height, 142 1.0f / 4.0f, 143 1.0f / PIPE_VIDEO_MV_WEIGHT_MAX); 144 145 for (i = 0; i < 2; ++i) { 146 ureg_MAD(shader, ureg_writemask(o_vmv[i], TGSI_WRITEMASK_XY), mv_scale, vmv[i], ureg_src(t_vpos)); 147 ureg_MUL(shader, ureg_writemask(o_vmv[i], TGSI_WRITEMASK_ZW), mv_scale, vmv[i]); 148 } 149 150 ureg_release_temporary(shader, t_vpos); 151 152 ureg_END(shader); 153 154 return ureg_create_shader_and_destroy(shader, r->pipe); 155} 156 157static void * 158create_ref_frag_shader(struct vl_mc *r) 159{ 160 const float y_scale = 161 r->buffer_height / 2 * 162 r->macroblock_size / MACROBLOCK_HEIGHT; 163 164 struct ureg_program *shader; 165 struct ureg_src tc[2], sampler; 166 struct ureg_dst ref, field; 167 struct ureg_dst fragment; 168 unsigned label; 169 170 shader = ureg_create(TGSI_PROCESSOR_FRAGMENT); 171 if (!shader) 172 return NULL; 173 174 tc[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTOP, TGSI_INTERPOLATE_LINEAR); 175 tc[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VBOTTOM, TGSI_INTERPOLATE_LINEAR); 176 177 sampler = ureg_DECL_sampler(shader, 0); 178 ref = ureg_DECL_temporary(shader); 179 180 fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); 181 182 field = calc_line(shader); 183 184 /* 185 * ref = field.z ? tc[1] : tc[0] 186 * 187 * // Adjust tc acording to top/bottom field selection 188 * if (|ref.z|) { 189 * ref.y *= y_scale 190 * ref.y = floor(ref.y) 191 * ref.y += ref.z 192 * ref.y /= y_scale 193 * } 194 * fragment.xyz = tex(ref, sampler[0]) 195 */ 196 ureg_CMP(shader, ureg_writemask(ref, TGSI_WRITEMASK_XYZ), 197 ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)), 198 tc[1], tc[0]); 199 ureg_CMP(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), 200 ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)), 201 tc[1], tc[0]); 202 203 ureg_IF(shader, ureg_scalar(ureg_src(ref), TGSI_SWIZZLE_Z), &label); 204 205 ureg_MUL(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y), 206 ureg_src(ref), ureg_imm1f(shader, y_scale)); 207 ureg_FLR(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y), ureg_src(ref)); 208 ureg_ADD(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y), 209 ureg_src(ref), ureg_scalar(ureg_src(ref), TGSI_SWIZZLE_Z)); 210 ureg_MUL(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y), 211 ureg_src(ref), ureg_imm1f(shader, 1.0f / y_scale)); 212 213 ureg_fixup_label(shader, label, ureg_get_instruction_number(shader)); 214 ureg_ENDIF(shader); 215 216 ureg_TEX(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), TGSI_TEXTURE_2D, ureg_src(ref), sampler); 217 218 ureg_release_temporary(shader, ref); 219 220 ureg_release_temporary(shader, field); 221 ureg_END(shader); 222 223 return ureg_create_shader_and_destroy(shader, r->pipe); 224} 225 226static void * 227create_ycbcr_vert_shader(struct vl_mc *r, vl_mc_ycbcr_vert_shader vs_callback, void *callback_priv) 228{ 229 struct ureg_program *shader; 230 231 struct ureg_src vrect, vpos; 232 struct ureg_dst t_vpos, t_vtex; 233 struct ureg_dst o_vpos, o_flags; 234 235 struct vertex2f scale = { 236 (float)BLOCK_WIDTH / r->buffer_width * MACROBLOCK_WIDTH / r->macroblock_size, 237 (float)BLOCK_HEIGHT / r->buffer_height * MACROBLOCK_HEIGHT / r->macroblock_size 238 }; 239 240 unsigned label; 241 242 shader = ureg_create(TGSI_PROCESSOR_VERTEX); 243 if (!shader) 244 return NULL; 245 246 vrect = ureg_DECL_vs_input(shader, VS_I_RECT); 247 vpos = ureg_DECL_vs_input(shader, VS_I_VPOS); 248 249 t_vpos = calc_position(r, shader, ureg_imm2f(shader, scale.x, scale.y)); 250 t_vtex = ureg_DECL_temporary(shader); 251 252 o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS); 253 o_flags = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_FLAGS); 254 255 /* 256 * o_vtex.xy = t_vpos 257 * o_flags.z = intra * 0.5 258 * 259 * if(interlaced) { 260 * t_vtex.xy = vrect.y ? { 0, scale.y } : { -scale.y : 0 } 261 * t_vtex.z = vpos.y % 2 262 * t_vtex.y = t_vtex.z ? t_vtex.x : t_vtex.y 263 * o_vpos.y = t_vtex.y + t_vpos.y 264 * 265 * o_flags.w = t_vtex.z ? 0 : 1 266 * } 267 * 268 */ 269 270 vs_callback(callback_priv, r, shader, VS_O_VTEX, t_vpos); 271 272 ureg_MUL(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_Z), 273 ureg_scalar(vpos, TGSI_SWIZZLE_Z), ureg_imm1f(shader, 0.5f)); 274 ureg_MOV(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_W), ureg_imm1f(shader, -1.0f)); 275 276 if (r->macroblock_size == MACROBLOCK_HEIGHT) { //TODO 277 ureg_IF(shader, ureg_scalar(vpos, TGSI_SWIZZLE_W), &label); 278 279 ureg_CMP(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_XY), 280 ureg_negate(ureg_scalar(vrect, TGSI_SWIZZLE_Y)), 281 ureg_imm2f(shader, 0.0f, scale.y), 282 ureg_imm2f(shader, -scale.y, 0.0f)); 283 ureg_MUL(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Z), 284 ureg_scalar(vpos, TGSI_SWIZZLE_Y), ureg_imm1f(shader, 0.5f)); 285 286 ureg_FRC(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Z), ureg_src(t_vtex)); 287 288 ureg_CMP(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Y), 289 ureg_negate(ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Z)), 290 ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_X), 291 ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Y)); 292 ureg_ADD(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_Y), 293 ureg_src(t_vpos), ureg_src(t_vtex)); 294 295 ureg_CMP(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_W), 296 ureg_negate(ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Z)), 297 ureg_imm1f(shader, 0.0f), ureg_imm1f(shader, 1.0f)); 298 299 ureg_fixup_label(shader, label, ureg_get_instruction_number(shader)); 300 ureg_ENDIF(shader); 301 } 302 303 ureg_release_temporary(shader, t_vtex); 304 ureg_release_temporary(shader, t_vpos); 305 306 ureg_END(shader); 307 308 return ureg_create_shader_and_destroy(shader, r->pipe); 309} 310 311static void * 312create_ycbcr_frag_shader(struct vl_mc *r, float scale, vl_mc_ycbcr_frag_shader fs_callback, void *callback_priv) 313{ 314 struct ureg_program *shader; 315 struct ureg_src flags; 316 struct ureg_dst tmp; 317 struct ureg_dst fragment; 318 unsigned label; 319 320 shader = ureg_create(TGSI_PROCESSOR_FRAGMENT); 321 if (!shader) 322 return NULL; 323 324 flags = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_FLAGS, TGSI_INTERPOLATE_LINEAR); 325 326 fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); 327 328 tmp = calc_line(shader); 329 330 /* 331 * if (field == tc.w) 332 * kill(); 333 * else { 334 * fragment.xyz = tex(tc, sampler) * scale + tc.z 335 * fragment.w = 1.0f 336 * } 337 */ 338 339 ureg_SEQ(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), 340 ureg_scalar(flags, TGSI_SWIZZLE_W), ureg_src(tmp)); 341 342 ureg_IF(shader, ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y), &label); 343 344 ureg_KILP(shader); 345 346 ureg_fixup_label(shader, label, ureg_get_instruction_number(shader)); 347 ureg_ELSE(shader, &label); 348 349 fs_callback(callback_priv, r, shader, VS_O_VTEX, tmp); 350 351 if (scale != 1.0f) 352 ureg_MAD(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), 353 ureg_src(tmp), ureg_imm1f(shader, scale), 354 ureg_scalar(flags, TGSI_SWIZZLE_Z)); 355 else 356 ureg_ADD(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), 357 ureg_src(tmp), ureg_scalar(flags, TGSI_SWIZZLE_Z)); 358 359 ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_imm1f(shader, 1.0f)); 360 361 ureg_fixup_label(shader, label, ureg_get_instruction_number(shader)); 362 ureg_ENDIF(shader); 363 364 ureg_release_temporary(shader, tmp); 365 366 ureg_END(shader); 367 368 return ureg_create_shader_and_destroy(shader, r->pipe); 369} 370 371static bool 372init_pipe_state(struct vl_mc *r) 373{ 374 struct pipe_sampler_state sampler; 375 struct pipe_blend_state blend; 376 struct pipe_rasterizer_state rs_state; 377 unsigned i; 378 379 assert(r); 380 381 memset(&sampler, 0, sizeof(sampler)); 382 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 383 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 384 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_BORDER; 385 sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR; 386 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 387 sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR; 388 sampler.compare_mode = PIPE_TEX_COMPARE_NONE; 389 sampler.compare_func = PIPE_FUNC_ALWAYS; 390 sampler.normalized_coords = 1; 391 r->sampler_ref = r->pipe->create_sampler_state(r->pipe, &sampler); 392 if (!r->sampler_ref) 393 goto error_sampler_ref; 394 395 for (i = 0; i < VL_MC_NUM_BLENDERS; ++i) { 396 memset(&blend, 0, sizeof blend); 397 blend.independent_blend_enable = 0; 398 blend.rt[0].blend_enable = 1; 399 blend.rt[0].rgb_func = PIPE_BLEND_ADD; 400 blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA; 401 blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; 402 blend.rt[0].alpha_func = PIPE_BLEND_ADD; 403 blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA; 404 blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; 405 blend.logicop_enable = 0; 406 blend.logicop_func = PIPE_LOGICOP_CLEAR; 407 blend.rt[0].colormask = i; 408 blend.dither = 0; 409 r->blend_clear[i] = r->pipe->create_blend_state(r->pipe, &blend); 410 if (!r->blend_clear[i]) 411 goto error_blend; 412 413 blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ONE; 414 blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE; 415 r->blend_add[i] = r->pipe->create_blend_state(r->pipe, &blend); 416 if (!r->blend_add[i]) 417 goto error_blend; 418 } 419 420 memset(&rs_state, 0, sizeof(rs_state)); 421 /*rs_state.sprite_coord_enable */ 422 rs_state.sprite_coord_mode = PIPE_SPRITE_COORD_UPPER_LEFT; 423 rs_state.point_quad_rasterization = true; 424 rs_state.point_size = BLOCK_WIDTH; 425 rs_state.gl_rasterization_rules = true; 426 r->rs_state = r->pipe->create_rasterizer_state(r->pipe, &rs_state); 427 if (!r->rs_state) 428 goto error_rs_state; 429 430 return true; 431 432error_rs_state: 433error_blend: 434 for (i = 0; i < VL_MC_NUM_BLENDERS; ++i) { 435 if (r->blend_add[i]) 436 r->pipe->delete_blend_state(r->pipe, r->blend_add[i]); 437 438 if (r->blend_clear[i]) 439 r->pipe->delete_blend_state(r->pipe, r->blend_clear[i]); 440 } 441 442 r->pipe->delete_sampler_state(r->pipe, r->sampler_ref); 443 444error_sampler_ref: 445 return false; 446} 447 448static void 449cleanup_pipe_state(struct vl_mc *r) 450{ 451 unsigned i; 452 453 assert(r); 454 455 r->pipe->delete_sampler_state(r->pipe, r->sampler_ref); 456 for (i = 0; i < VL_MC_NUM_BLENDERS; ++i) { 457 r->pipe->delete_blend_state(r->pipe, r->blend_clear[i]); 458 r->pipe->delete_blend_state(r->pipe, r->blend_add[i]); 459 } 460 r->pipe->delete_rasterizer_state(r->pipe, r->rs_state); 461} 462 463bool 464vl_mc_init(struct vl_mc *renderer, struct pipe_context *pipe, 465 unsigned buffer_width, unsigned buffer_height, 466 unsigned macroblock_size, float scale, 467 vl_mc_ycbcr_vert_shader vs_callback, 468 vl_mc_ycbcr_frag_shader fs_callback, 469 void *callback_priv) 470{ 471 assert(renderer); 472 assert(pipe); 473 474 memset(renderer, 0, sizeof(struct vl_mc)); 475 476 renderer->pipe = pipe; 477 renderer->buffer_width = buffer_width; 478 renderer->buffer_height = buffer_height; 479 renderer->macroblock_size = macroblock_size; 480 481 if (!init_pipe_state(renderer)) 482 goto error_pipe_state; 483 484 renderer->vs_ref = create_ref_vert_shader(renderer); 485 if (!renderer->vs_ref) 486 goto error_vs_ref; 487 488 renderer->vs_ycbcr = create_ycbcr_vert_shader(renderer, vs_callback, callback_priv); 489 if (!renderer->vs_ycbcr) 490 goto error_vs_ycbcr; 491 492 renderer->fs_ref = create_ref_frag_shader(renderer); 493 if (!renderer->fs_ref) 494 goto error_fs_ref; 495 496 renderer->fs_ycbcr = create_ycbcr_frag_shader(renderer, scale, fs_callback, callback_priv); 497 if (!renderer->fs_ycbcr) 498 goto error_fs_ycbcr; 499 500 return true; 501 502error_fs_ycbcr: 503 renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ref); 504 505error_fs_ref: 506 renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ycbcr); 507 508error_vs_ycbcr: 509 renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ref); 510 511error_vs_ref: 512 cleanup_pipe_state(renderer); 513 514error_pipe_state: 515 return false; 516} 517 518void 519vl_mc_cleanup(struct vl_mc *renderer) 520{ 521 assert(renderer); 522 523 cleanup_pipe_state(renderer); 524 525 renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ref); 526 renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ycbcr); 527 renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ref); 528 renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ycbcr); 529} 530 531bool 532vl_mc_init_buffer(struct vl_mc *renderer, struct vl_mc_buffer *buffer) 533{ 534 assert(renderer && buffer); 535 536 buffer->renderer = renderer; 537 538 buffer->viewport.scale[2] = 1; 539 buffer->viewport.scale[3] = 1; 540 buffer->viewport.translate[0] = 0; 541 buffer->viewport.translate[1] = 0; 542 buffer->viewport.translate[2] = 0; 543 buffer->viewport.translate[3] = 0; 544 545 buffer->fb_state.nr_cbufs = 1; 546 buffer->fb_state.zsbuf = NULL; 547 548 return true; 549} 550 551void 552vl_mc_cleanup_buffer(struct vl_mc_buffer *buffer) 553{ 554 assert(buffer); 555} 556 557void 558vl_mc_set_surface(struct vl_mc_buffer *buffer, struct pipe_surface *surface) 559{ 560 assert(buffer && surface); 561 562 buffer->surface_cleared = false; 563 564 buffer->viewport.scale[0] = surface->width; 565 buffer->viewport.scale[1] = surface->height; 566 567 buffer->fb_state.width = surface->width; 568 buffer->fb_state.height = surface->height; 569 buffer->fb_state.cbufs[0] = surface; 570} 571 572static void 573prepare_pipe_4_rendering(struct vl_mc_buffer *buffer, unsigned mask) 574{ 575 struct vl_mc *renderer; 576 577 assert(buffer); 578 579 renderer = buffer->renderer; 580 renderer->pipe->bind_rasterizer_state(renderer->pipe, renderer->rs_state); 581 582 if (buffer->surface_cleared) 583 renderer->pipe->bind_blend_state(renderer->pipe, renderer->blend_add[mask]); 584 else 585 renderer->pipe->bind_blend_state(renderer->pipe, renderer->blend_clear[mask]); 586 587 renderer->pipe->set_framebuffer_state(renderer->pipe, &buffer->fb_state); 588 renderer->pipe->set_viewport_state(renderer->pipe, &buffer->viewport); 589} 590 591void 592vl_mc_render_ref(struct vl_mc_buffer *buffer, struct pipe_sampler_view *ref) 593{ 594 struct vl_mc *renderer; 595 596 assert(buffer && ref); 597 598 prepare_pipe_4_rendering(buffer, PIPE_MASK_R | PIPE_MASK_G | PIPE_MASK_B); 599 600 renderer = buffer->renderer; 601 602 renderer->pipe->bind_vs_state(renderer->pipe, renderer->vs_ref); 603 renderer->pipe->bind_fs_state(renderer->pipe, renderer->fs_ref); 604 605 renderer->pipe->set_fragment_sampler_views(renderer->pipe, 1, &ref); 606 renderer->pipe->bind_fragment_sampler_states(renderer->pipe, 1, &renderer->sampler_ref); 607 608 util_draw_arrays_instanced(renderer->pipe, PIPE_PRIM_QUADS, 0, 4, 0, 609 renderer->buffer_width / MACROBLOCK_WIDTH * 610 renderer->buffer_height / MACROBLOCK_HEIGHT); 611 612 buffer->surface_cleared = true; 613} 614 615void 616vl_mc_render_ycbcr(struct vl_mc_buffer *buffer, unsigned component, unsigned num_instances) 617{ 618 struct vl_mc *renderer; 619 620 assert(buffer); 621 622 if (num_instances == 0) 623 return; 624 625 prepare_pipe_4_rendering(buffer, 1 << component); 626 627 renderer = buffer->renderer; 628 629 renderer->pipe->bind_vs_state(renderer->pipe, renderer->vs_ycbcr); 630 renderer->pipe->bind_fs_state(renderer->pipe, renderer->fs_ycbcr); 631 632 util_draw_arrays_instanced(renderer->pipe, PIPE_PRIM_QUADS, 0, 4, 0, num_instances); 633} 634