xorg_renderer.c revision e968975cb57eb854769292f7c6ff773c64a386c3
1#include "xorg_exa.h" 2#include "xorg_renderer.h" 3 4#include "xorg_exa_tgsi.h" 5 6#include "cso_cache/cso_context.h" 7#include "util/u_draw_quad.h" 8#include "util/u_math.h" 9#include "util/u_memory.h" 10#include "util/u_sampler.h" 11 12#include "util/u_inlines.h" 13#include "util/u_box.h" 14 15#include <math.h> 16 17#define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y))) 18#define floatIsZero(x) (floatsEqual((x) + 1, 1)) 19 20#define NUM_COMPONENTS 4 21 22static INLINE boolean is_affine(float *matrix) 23{ 24 return floatIsZero(matrix[2]) && floatIsZero(matrix[5]) 25 && floatsEqual(matrix[8], 1); 26} 27static INLINE void map_point(float *mat, float x, float y, 28 float *out_x, float *out_y) 29{ 30 if (!mat) { 31 *out_x = x; 32 *out_y = y; 33 return; 34 } 35 36 *out_x = mat[0]*x + mat[3]*y + mat[6]; 37 *out_y = mat[1]*x + mat[4]*y + mat[7]; 38 if (!is_affine(mat)) { 39 float w = 1/(mat[2]*x + mat[5]*y + mat[8]); 40 *out_x *= w; 41 *out_y *= w; 42 } 43} 44 45static INLINE struct pipe_resource * 46renderer_buffer_create(struct xorg_renderer *r) 47{ 48 struct pipe_resource *buf = 49 pipe_user_buffer_create(r->pipe->screen, 50 r->buffer, 51 sizeof(float)* 52 r->buffer_size, 53/* XXX was: PIPE_BUFFER_USAGE_PIXEL/PIPE_BUFFER_USAGE_GPU_WRITE even though this is a vertex buffer??? */ 54 PIPE_BIND_VERTEX_BUFFER); 55 r->buffer_size = 0; 56 57 return buf; 58} 59 60static INLINE void 61renderer_draw(struct xorg_renderer *r) 62{ 63 struct pipe_context *pipe = r->pipe; 64 struct pipe_resource *buf = 0; 65 int num_verts = r->buffer_size/(r->attrs_per_vertex * NUM_COMPONENTS); 66 67 if (!r->buffer_size) 68 return; 69 70 buf = renderer_buffer_create(r); 71 72 73 if (buf) { 74 cso_set_vertex_elements(r->cso, r->attrs_per_vertex, r->velems); 75 76 util_draw_vertex_buffer(pipe, r->cso, buf, 0, 77 PIPE_PRIM_QUADS, 78 num_verts, /* verts */ 79 r->attrs_per_vertex); /* attribs/vert */ 80 81 pipe_resource_reference(&buf, NULL); 82 } 83} 84 85static INLINE void 86renderer_draw_conditional(struct xorg_renderer *r, 87 int next_batch) 88{ 89 if (r->buffer_size + next_batch >= BUF_SIZE || 90 (next_batch == 0 && r->buffer_size)) { 91 renderer_draw(r); 92 } 93} 94 95static void 96renderer_init_state(struct xorg_renderer *r) 97{ 98 struct pipe_depth_stencil_alpha_state dsa; 99 struct pipe_rasterizer_state raster; 100 unsigned i; 101 102 /* set common initial clip state */ 103 memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state)); 104 cso_set_depth_stencil_alpha(r->cso, &dsa); 105 106 107 /* XXX: move to renderer_init_state? */ 108 memset(&raster, 0, sizeof(struct pipe_rasterizer_state)); 109 raster.gl_rasterization_rules = 1; 110 cso_set_rasterizer(r->cso, &raster); 111 112 /* vertex elements state */ 113 memset(&r->velems[0], 0, sizeof(r->velems[0]) * 3); 114 for (i = 0; i < 3; i++) { 115 r->velems[i].src_offset = i * 4 * sizeof(float); 116 r->velems[i].instance_divisor = 0; 117 r->velems[i].vertex_buffer_index = 0; 118 r->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 119 } 120} 121 122 123static INLINE void 124add_vertex_color(struct xorg_renderer *r, 125 float x, float y, 126 float color[4]) 127{ 128 float *vertex = r->buffer + r->buffer_size; 129 130 vertex[0] = x; 131 vertex[1] = y; 132 vertex[2] = 0.f; /*z*/ 133 vertex[3] = 1.f; /*w*/ 134 135 vertex[4] = color[0]; /*r*/ 136 vertex[5] = color[1]; /*g*/ 137 vertex[6] = color[2]; /*b*/ 138 vertex[7] = color[3]; /*a*/ 139 140 r->buffer_size += 8; 141} 142 143static INLINE void 144add_vertex_1tex(struct xorg_renderer *r, 145 float x, float y, float s, float t) 146{ 147 float *vertex = r->buffer + r->buffer_size; 148 149 vertex[0] = x; 150 vertex[1] = y; 151 vertex[2] = 0.f; /*z*/ 152 vertex[3] = 1.f; /*w*/ 153 154 vertex[4] = s; /*s*/ 155 vertex[5] = t; /*t*/ 156 vertex[6] = 0.f; /*r*/ 157 vertex[7] = 1.f; /*q*/ 158 159 r->buffer_size += 8; 160} 161 162static void 163add_vertex_data1(struct xorg_renderer *r, 164 float srcX, float srcY, float dstX, float dstY, 165 float width, float height, 166 struct pipe_resource *src, float *src_matrix) 167{ 168 float s0, t0, s1, t1, s2, t2, s3, t3; 169 float pt0[2], pt1[2], pt2[2], pt3[2]; 170 171 pt0[0] = srcX; 172 pt0[1] = srcY; 173 pt1[0] = (srcX + width); 174 pt1[1] = srcY; 175 pt2[0] = (srcX + width); 176 pt2[1] = (srcY + height); 177 pt3[0] = srcX; 178 pt3[1] = (srcY + height); 179 180 if (src_matrix) { 181 map_point(src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]); 182 map_point(src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]); 183 map_point(src_matrix, pt2[0], pt2[1], &pt2[0], &pt2[1]); 184 map_point(src_matrix, pt3[0], pt3[1], &pt3[0], &pt3[1]); 185 } 186 187 s0 = pt0[0] / src->width0; 188 s1 = pt1[0] / src->width0; 189 s2 = pt2[0] / src->width0; 190 s3 = pt3[0] / src->width0; 191 t0 = pt0[1] / src->height0; 192 t1 = pt1[1] / src->height0; 193 t2 = pt2[1] / src->height0; 194 t3 = pt3[1] / src->height0; 195 196 /* 1st vertex */ 197 add_vertex_1tex(r, dstX, dstY, s0, t0); 198 /* 2nd vertex */ 199 add_vertex_1tex(r, dstX + width, dstY, s1, t1); 200 /* 3rd vertex */ 201 add_vertex_1tex(r, dstX + width, dstY + height, s2, t2); 202 /* 4th vertex */ 203 add_vertex_1tex(r, dstX, dstY + height, s3, t3); 204} 205 206 207static INLINE void 208add_vertex_2tex(struct xorg_renderer *r, 209 float x, float y, 210 float s0, float t0, float s1, float t1) 211{ 212 float *vertex = r->buffer + r->buffer_size; 213 214 vertex[0] = x; 215 vertex[1] = y; 216 vertex[2] = 0.f; /*z*/ 217 vertex[3] = 1.f; /*w*/ 218 219 vertex[4] = s0; /*s*/ 220 vertex[5] = t0; /*t*/ 221 vertex[6] = 0.f; /*r*/ 222 vertex[7] = 1.f; /*q*/ 223 224 vertex[8] = s1; /*s*/ 225 vertex[9] = t1; /*t*/ 226 vertex[10] = 0.f; /*r*/ 227 vertex[11] = 1.f; /*q*/ 228 229 r->buffer_size += 12; 230} 231 232static void 233add_vertex_data2(struct xorg_renderer *r, 234 float srcX, float srcY, float maskX, float maskY, 235 float dstX, float dstY, float width, float height, 236 struct pipe_resource *src, 237 struct pipe_resource *mask, 238 float *src_matrix, float *mask_matrix) 239{ 240 float src_s0, src_t0, src_s1, src_t1; 241 float mask_s0, mask_t0, mask_s1, mask_t1; 242 float spt0[2], spt1[2]; 243 float mpt0[2], mpt1[2]; 244 245 spt0[0] = srcX; 246 spt0[1] = srcY; 247 spt1[0] = srcX + width; 248 spt1[1] = srcY + height; 249 250 mpt0[0] = maskX; 251 mpt0[1] = maskY; 252 mpt1[0] = maskX + width; 253 mpt1[1] = maskY + height; 254 255 if (src_matrix) { 256 map_point(src_matrix, spt0[0], spt0[1], &spt0[0], &spt0[1]); 257 map_point(src_matrix, spt1[0], spt1[1], &spt1[0], &spt1[1]); 258 } 259 260 if (mask_matrix) { 261 map_point(mask_matrix, mpt0[0], mpt0[1], &mpt0[0], &mpt0[1]); 262 map_point(mask_matrix, mpt1[0], mpt1[1], &mpt1[0], &mpt1[1]); 263 } 264 265 src_s0 = spt0[0] / src->width0; 266 src_t0 = spt0[1] / src->height0; 267 src_s1 = spt1[0] / src->width0; 268 src_t1 = spt1[1] / src->height0; 269 270 mask_s0 = mpt0[0] / mask->width0; 271 mask_t0 = mpt0[1] / mask->height0; 272 mask_s1 = mpt1[0] / mask->width0; 273 mask_t1 = mpt1[1] / mask->height0; 274 275 /* 1st vertex */ 276 add_vertex_2tex(r, dstX, dstY, 277 src_s0, src_t0, mask_s0, mask_t0); 278 /* 2nd vertex */ 279 add_vertex_2tex(r, dstX + width, dstY, 280 src_s1, src_t0, mask_s1, mask_t0); 281 /* 3rd vertex */ 282 add_vertex_2tex(r, dstX + width, dstY + height, 283 src_s1, src_t1, mask_s1, mask_t1); 284 /* 4th vertex */ 285 add_vertex_2tex(r, dstX, dstY + height, 286 src_s0, src_t1, mask_s0, mask_t1); 287} 288 289static struct pipe_resource * 290setup_vertex_data_yuv(struct xorg_renderer *r, 291 float srcX, float srcY, float srcW, float srcH, 292 float dstX, float dstY, float dstW, float dstH, 293 struct pipe_resource **tex) 294{ 295 float s0, t0, s1, t1; 296 float spt0[2], spt1[2]; 297 298 spt0[0] = srcX; 299 spt0[1] = srcY; 300 spt1[0] = srcX + srcW; 301 spt1[1] = srcY + srcH; 302 303 s0 = spt0[0] / tex[0]->width0; 304 t0 = spt0[1] / tex[0]->height0; 305 s1 = spt1[0] / tex[0]->width0; 306 t1 = spt1[1] / tex[0]->height0; 307 308 /* 1st vertex */ 309 add_vertex_1tex(r, dstX, dstY, s0, t0); 310 /* 2nd vertex */ 311 add_vertex_1tex(r, dstX + dstW, dstY, 312 s1, t0); 313 /* 3rd vertex */ 314 add_vertex_1tex(r, dstX + dstW, dstY + dstH, 315 s1, t1); 316 /* 4th vertex */ 317 add_vertex_1tex(r, dstX, dstY + dstH, 318 s0, t1); 319 320 return renderer_buffer_create(r); 321} 322 323 324 325/* Set up framebuffer, viewport and vertex shader constant buffer 326 * state for a particular destinaton surface. In all our rendering, 327 * these concepts are linked. 328 */ 329void renderer_bind_destination(struct xorg_renderer *r, 330 struct pipe_surface *surface, 331 int width, 332 int height ) 333{ 334 335 struct pipe_framebuffer_state fb; 336 struct pipe_viewport_state viewport; 337 338 /* Framebuffer uses actual surface width/height 339 */ 340 memset(&fb, 0, sizeof fb); 341 fb.width = surface->width; 342 fb.height = surface->height; 343 fb.nr_cbufs = 1; 344 fb.cbufs[0] = surface; 345 fb.zsbuf = 0; 346 347 /* Viewport just touches the bit we're interested in: 348 */ 349 viewport.scale[0] = width / 2.f; 350 viewport.scale[1] = height / 2.f; 351 viewport.scale[2] = 1.0; 352 viewport.scale[3] = 1.0; 353 viewport.translate[0] = width / 2.f; 354 viewport.translate[1] = height / 2.f; 355 viewport.translate[2] = 0.0; 356 viewport.translate[3] = 0.0; 357 358 /* Constant buffer set up to match viewport dimensions: 359 */ 360 if (r->fb_width != width || 361 r->fb_height != height) 362 { 363 float vs_consts[8] = { 364 2.f/width, 2.f/height, 1, 1, 365 -1, -1, 0, 0 366 }; 367 368 r->fb_width = width; 369 r->fb_height = height; 370 371 renderer_set_constants(r, PIPE_SHADER_VERTEX, 372 vs_consts, sizeof vs_consts); 373 } 374 375 cso_set_framebuffer(r->cso, &fb); 376 cso_set_viewport(r->cso, &viewport); 377} 378 379 380struct xorg_renderer * renderer_create(struct pipe_context *pipe) 381{ 382 struct xorg_renderer *renderer = CALLOC_STRUCT(xorg_renderer); 383 384 renderer->pipe = pipe; 385 renderer->cso = cso_create_context(pipe); 386 renderer->shaders = xorg_shaders_create(renderer); 387 388 renderer_init_state(renderer); 389 390 return renderer; 391} 392 393void renderer_destroy(struct xorg_renderer *r) 394{ 395 struct pipe_resource **vsbuf = &r->vs_const_buffer; 396 struct pipe_resource **fsbuf = &r->fs_const_buffer; 397 398 if (*vsbuf) 399 pipe_resource_reference(vsbuf, NULL); 400 401 if (*fsbuf) 402 pipe_resource_reference(fsbuf, NULL); 403 404 if (r->shaders) { 405 xorg_shaders_destroy(r->shaders); 406 r->shaders = NULL; 407 } 408 409 if (r->cso) { 410 cso_release_all(r->cso); 411 cso_destroy_context(r->cso); 412 r->cso = NULL; 413 } 414} 415 416 417 418 419 420void renderer_set_constants(struct xorg_renderer *r, 421 int shader_type, 422 const float *params, 423 int param_bytes) 424{ 425 struct pipe_resource **cbuf = 426 (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer : 427 &r->fs_const_buffer; 428 429 pipe_resource_reference(cbuf, NULL); 430 *cbuf = pipe_buffer_create(r->pipe->screen, 431 PIPE_BIND_CONSTANT_BUFFER, 432 PIPE_USAGE_STATIC, 433 param_bytes); 434 435 if (*cbuf) { 436 pipe_buffer_write(r->pipe, *cbuf, 437 0, param_bytes, params); 438 } 439 r->pipe->set_constant_buffer(r->pipe, shader_type, 0, *cbuf); 440} 441 442 443void renderer_copy_prepare(struct xorg_renderer *r, 444 struct pipe_surface *dst_surface, 445 struct pipe_resource *src_texture) 446{ 447 struct pipe_context *pipe = r->pipe; 448 struct pipe_screen *screen = pipe->screen; 449 struct xorg_shader shader; 450 451 assert(screen->is_format_supported(screen, dst_surface->format, 452 PIPE_TEXTURE_2D, 0, 453 PIPE_BIND_RENDER_TARGET)); 454 (void) screen; 455 456 457 /* set misc state we care about */ 458 { 459 struct pipe_blend_state blend; 460 memset(&blend, 0, sizeof(blend)); 461 blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE; 462 blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE; 463 blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; 464 blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; 465 blend.rt[0].colormask = PIPE_MASK_RGBA; 466 cso_set_blend(r->cso, &blend); 467 } 468 469 /* sampler */ 470 { 471 struct pipe_sampler_state sampler; 472 memset(&sampler, 0, sizeof(sampler)); 473 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 474 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 475 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 476 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 477 sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; 478 sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; 479 sampler.normalized_coords = 1; 480 cso_single_sampler(r->cso, 0, &sampler); 481 cso_single_sampler_done(r->cso); 482 } 483 484 renderer_bind_destination(r, dst_surface, 485 dst_surface->width, 486 dst_surface->height); 487 488 /* texture/sampler view */ 489 { 490 struct pipe_sampler_view templ; 491 struct pipe_sampler_view *src_view; 492 u_sampler_view_default_template(&templ, 493 src_texture, 494 src_texture->format); 495 src_view = pipe->create_sampler_view(pipe, src_texture, &templ); 496 cso_set_fragment_sampler_views(r->cso, 1, &src_view); 497 pipe_sampler_view_reference(&src_view, NULL); 498 } 499 500 /* shaders */ 501 shader = xorg_shaders_get(r->shaders, 502 VS_COMPOSITE, 503 FS_COMPOSITE); 504 cso_set_vertex_shader_handle(r->cso, shader.vs); 505 cso_set_fragment_shader_handle(r->cso, shader.fs); 506 507 r->buffer_size = 0; 508 r->attrs_per_vertex = 2; 509} 510 511struct pipe_resource * 512renderer_clone_texture(struct xorg_renderer *r, 513 struct pipe_resource *src) 514{ 515 enum pipe_format format; 516 struct pipe_context *pipe = r->pipe; 517 struct pipe_screen *screen = pipe->screen; 518 struct pipe_resource *pt; 519 struct pipe_resource templ; 520 521 /* the coming in texture should already have that invariance */ 522 debug_assert(screen->is_format_supported(screen, src->format, 523 PIPE_TEXTURE_2D, 0, 524 PIPE_BIND_SAMPLER_VIEW)); 525 526 format = src->format; 527 528 memset(&templ, 0, sizeof(templ)); 529 templ.target = PIPE_TEXTURE_2D; 530 templ.format = format; 531 templ.last_level = 0; 532 templ.width0 = src->width0; 533 templ.height0 = src->height0; 534 templ.depth0 = 1; 535 templ.array_size = 1; 536 templ.bind = PIPE_BIND_SAMPLER_VIEW; 537 538 pt = screen->resource_create(screen, &templ); 539 540 debug_assert(!pt || pipe_is_referenced(&pt->reference)); 541 542 if (!pt) 543 return NULL; 544 545 { 546 /* copy source framebuffer surface into texture */ 547 struct pipe_box src_box; 548 u_box_origin_2d(src->width0, src->height0, &src_box); 549 550 pipe->resource_copy_region(pipe, 551 pt, /* dest */ 552 0, /* dest_level */ 553 0, 0, 0, /* destx/y/z */ 554 src, 555 0, &src_box); 556 } 557 558 return pt; 559} 560 561 562void renderer_copy_pixmap(struct xorg_renderer *r, 563 int dx, int dy, 564 int sx, int sy, 565 int width, int height, 566 float src_width, 567 float src_height) 568{ 569 float s0, t0, s1, t1; 570 float x0, y0, x1, y1; 571 572 573 /* XXX: could put the texcoord scaling calculation into the vertex 574 * shader. 575 */ 576 s0 = sx / src_width; 577 s1 = (sx + width) / src_width; 578 t0 = sy / src_height; 579 t1 = (sy + height) / src_height; 580 581 x0 = dx; 582 x1 = dx + width; 583 y0 = dy; 584 y1 = dy + height; 585 586 /* draw quad */ 587 renderer_draw_conditional(r, 4*8); 588 add_vertex_1tex(r, x0, y0, s0, t0); 589 add_vertex_1tex(r, x1, y0, s1, t0); 590 add_vertex_1tex(r, x1, y1, s1, t1); 591 add_vertex_1tex(r, x0, y1, s0, t1); 592} 593 594 595 596 597void renderer_draw_yuv(struct xorg_renderer *r, 598 float src_x, float src_y, float src_w, float src_h, 599 int dst_x, int dst_y, int dst_w, int dst_h, 600 struct pipe_resource **textures) 601{ 602 struct pipe_context *pipe = r->pipe; 603 struct pipe_resource *buf = 0; 604 605 buf = setup_vertex_data_yuv(r, 606 src_x, src_y, src_w, src_h, 607 dst_x, dst_y, dst_w, dst_h, 608 textures); 609 610 if (buf) { 611 const int num_attribs = 2; /*pos + tex coord*/ 612 613 cso_set_vertex_elements(r->cso, num_attribs, r->velems); 614 615 util_draw_vertex_buffer(pipe, r->cso, buf, 0, 616 PIPE_PRIM_QUADS, 617 4, /* verts */ 618 num_attribs); /* attribs/vert */ 619 620 pipe_resource_reference(&buf, NULL); 621 } 622} 623 624void renderer_begin_solid(struct xorg_renderer *r) 625{ 626 r->buffer_size = 0; 627 r->attrs_per_vertex = 2; 628} 629 630void renderer_solid(struct xorg_renderer *r, 631 int x0, int y0, 632 int x1, int y1, 633 float *color) 634{ 635 /* 636 debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n", 637 x0, y0, x1, y1, color[0], color[1], color[2], color[3]);*/ 638 639 renderer_draw_conditional(r, 4 * 8); 640 641 /* 1st vertex */ 642 add_vertex_color(r, x0, y0, color); 643 /* 2nd vertex */ 644 add_vertex_color(r, x1, y0, color); 645 /* 3rd vertex */ 646 add_vertex_color(r, x1, y1, color); 647 /* 4th vertex */ 648 add_vertex_color(r, x0, y1, color); 649} 650 651void renderer_draw_flush(struct xorg_renderer *r) 652{ 653 renderer_draw_conditional(r, 0); 654} 655 656void renderer_begin_textures(struct xorg_renderer *r, 657 int num_textures) 658{ 659 r->attrs_per_vertex = 1 + num_textures; 660 r->buffer_size = 0; 661} 662 663void renderer_texture(struct xorg_renderer *r, 664 int *pos, 665 int width, int height, 666 struct pipe_sampler_view **sampler_view, 667 int num_textures, 668 float *src_matrix, 669 float *mask_matrix) 670{ 671 672#if 0 673 if (src_matrix) { 674 debug_printf("src_matrix = \n"); 675 debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]); 676 debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]); 677 debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]); 678 } 679 if (mask_matrix) { 680 debug_printf("mask_matrix = \n"); 681 debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]); 682 debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]); 683 debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]); 684 } 685#endif 686 687 switch(r->attrs_per_vertex) { 688 case 2: 689 renderer_draw_conditional(r, 4 * 8); 690 add_vertex_data1(r, 691 pos[0], pos[1], /* src */ 692 pos[4], pos[5], /* dst */ 693 width, height, 694 sampler_view[0]->texture, src_matrix); 695 break; 696 case 3: 697 renderer_draw_conditional(r, 4 * 12); 698 add_vertex_data2(r, 699 pos[0], pos[1], /* src */ 700 pos[2], pos[3], /* mask */ 701 pos[4], pos[5], /* dst */ 702 width, height, 703 sampler_view[0]->texture, sampler_view[1]->texture, 704 src_matrix, mask_matrix); 705 break; 706 default: 707 debug_assert(!"Unsupported number of textures"); 708 break; 709 } 710} 711