xorg_renderer.c revision 25485f4b69447514ab8b595aced90c75606a99bd
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 0)); 455 (void) screen; 456 457 458 /* set misc state we care about */ 459 { 460 struct pipe_blend_state blend; 461 memset(&blend, 0, sizeof(blend)); 462 blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE; 463 blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE; 464 blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; 465 blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; 466 blend.rt[0].colormask = PIPE_MASK_RGBA; 467 cso_set_blend(r->cso, &blend); 468 } 469 470 /* sampler */ 471 { 472 struct pipe_sampler_state sampler; 473 memset(&sampler, 0, sizeof(sampler)); 474 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 475 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 476 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 477 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 478 sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; 479 sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; 480 sampler.normalized_coords = 1; 481 cso_single_sampler(r->cso, 0, &sampler); 482 cso_single_sampler_done(r->cso); 483 } 484 485 renderer_bind_destination(r, dst_surface, 486 dst_surface->width, 487 dst_surface->height); 488 489 /* texture/sampler view */ 490 { 491 struct pipe_sampler_view templ; 492 struct pipe_sampler_view *src_view; 493 u_sampler_view_default_template(&templ, 494 src_texture, 495 src_texture->format); 496 src_view = pipe->create_sampler_view(pipe, src_texture, &templ); 497 cso_set_fragment_sampler_views(r->cso, 1, &src_view); 498 pipe_sampler_view_reference(&src_view, NULL); 499 } 500 501 /* shaders */ 502 shader = xorg_shaders_get(r->shaders, 503 VS_COMPOSITE, 504 FS_COMPOSITE); 505 cso_set_vertex_shader_handle(r->cso, shader.vs); 506 cso_set_fragment_shader_handle(r->cso, shader.fs); 507 508 r->buffer_size = 0; 509 r->attrs_per_vertex = 2; 510} 511 512struct pipe_resource * 513renderer_clone_texture(struct xorg_renderer *r, 514 struct pipe_resource *src) 515{ 516 enum pipe_format format; 517 struct pipe_context *pipe = r->pipe; 518 struct pipe_screen *screen = pipe->screen; 519 struct pipe_resource *pt; 520 struct pipe_resource templ; 521 522 /* the coming in texture should already have that invariance */ 523 debug_assert(screen->is_format_supported(screen, src->format, 524 PIPE_TEXTURE_2D, 0, 525 PIPE_BIND_SAMPLER_VIEW, 0)); 526 527 format = src->format; 528 529 memset(&templ, 0, sizeof(templ)); 530 templ.target = PIPE_TEXTURE_2D; 531 templ.format = format; 532 templ.last_level = 0; 533 templ.width0 = src->width0; 534 templ.height0 = src->height0; 535 templ.depth0 = 1; 536 templ.array_size = 1; 537 templ.bind = PIPE_BIND_SAMPLER_VIEW; 538 539 pt = screen->resource_create(screen, &templ); 540 541 debug_assert(!pt || pipe_is_referenced(&pt->reference)); 542 543 if (!pt) 544 return NULL; 545 546 { 547 /* copy source framebuffer surface into texture */ 548 struct pipe_box src_box; 549 u_box_origin_2d(src->width0, src->height0, &src_box); 550 551 pipe->resource_copy_region(pipe, 552 pt, /* dest */ 553 0, /* dest_level */ 554 0, 0, 0, /* destx/y/z */ 555 src, 556 0, &src_box); 557 } 558 559 return pt; 560} 561 562 563void renderer_copy_pixmap(struct xorg_renderer *r, 564 int dx, int dy, 565 int sx, int sy, 566 int width, int height, 567 float src_width, 568 float src_height) 569{ 570 float s0, t0, s1, t1; 571 float x0, y0, x1, y1; 572 573 574 /* XXX: could put the texcoord scaling calculation into the vertex 575 * shader. 576 */ 577 s0 = sx / src_width; 578 s1 = (sx + width) / src_width; 579 t0 = sy / src_height; 580 t1 = (sy + height) / src_height; 581 582 x0 = dx; 583 x1 = dx + width; 584 y0 = dy; 585 y1 = dy + height; 586 587 /* draw quad */ 588 renderer_draw_conditional(r, 4*8); 589 add_vertex_1tex(r, x0, y0, s0, t0); 590 add_vertex_1tex(r, x1, y0, s1, t0); 591 add_vertex_1tex(r, x1, y1, s1, t1); 592 add_vertex_1tex(r, x0, y1, s0, t1); 593} 594 595 596 597 598void renderer_draw_yuv(struct xorg_renderer *r, 599 float src_x, float src_y, float src_w, float src_h, 600 int dst_x, int dst_y, int dst_w, int dst_h, 601 struct pipe_resource **textures) 602{ 603 struct pipe_context *pipe = r->pipe; 604 struct pipe_resource *buf = 0; 605 606 buf = setup_vertex_data_yuv(r, 607 src_x, src_y, src_w, src_h, 608 dst_x, dst_y, dst_w, dst_h, 609 textures); 610 611 if (buf) { 612 const int num_attribs = 2; /*pos + tex coord*/ 613 614 cso_set_vertex_elements(r->cso, num_attribs, r->velems); 615 616 util_draw_vertex_buffer(pipe, r->cso, buf, 0, 617 PIPE_PRIM_QUADS, 618 4, /* verts */ 619 num_attribs); /* attribs/vert */ 620 621 pipe_resource_reference(&buf, NULL); 622 } 623} 624 625void renderer_begin_solid(struct xorg_renderer *r) 626{ 627 r->buffer_size = 0; 628 r->attrs_per_vertex = 2; 629} 630 631void renderer_solid(struct xorg_renderer *r, 632 int x0, int y0, 633 int x1, int y1, 634 float *color) 635{ 636 /* 637 debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n", 638 x0, y0, x1, y1, color[0], color[1], color[2], color[3]);*/ 639 640 renderer_draw_conditional(r, 4 * 8); 641 642 /* 1st vertex */ 643 add_vertex_color(r, x0, y0, color); 644 /* 2nd vertex */ 645 add_vertex_color(r, x1, y0, color); 646 /* 3rd vertex */ 647 add_vertex_color(r, x1, y1, color); 648 /* 4th vertex */ 649 add_vertex_color(r, x0, y1, color); 650} 651 652void renderer_draw_flush(struct xorg_renderer *r) 653{ 654 renderer_draw_conditional(r, 0); 655} 656 657void renderer_begin_textures(struct xorg_renderer *r, 658 int num_textures) 659{ 660 r->attrs_per_vertex = 1 + num_textures; 661 r->buffer_size = 0; 662} 663 664void renderer_texture(struct xorg_renderer *r, 665 int *pos, 666 int width, int height, 667 struct pipe_sampler_view **sampler_view, 668 int num_textures, 669 float *src_matrix, 670 float *mask_matrix) 671{ 672 673#if 0 674 if (src_matrix) { 675 debug_printf("src_matrix = \n"); 676 debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]); 677 debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]); 678 debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]); 679 } 680 if (mask_matrix) { 681 debug_printf("mask_matrix = \n"); 682 debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]); 683 debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]); 684 debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]); 685 } 686#endif 687 688 switch(r->attrs_per_vertex) { 689 case 2: 690 renderer_draw_conditional(r, 4 * 8); 691 add_vertex_data1(r, 692 pos[0], pos[1], /* src */ 693 pos[4], pos[5], /* dst */ 694 width, height, 695 sampler_view[0]->texture, src_matrix); 696 break; 697 case 3: 698 renderer_draw_conditional(r, 4 * 12); 699 add_vertex_data2(r, 700 pos[0], pos[1], /* src */ 701 pos[2], pos[3], /* mask */ 702 pos[4], pos[5], /* dst */ 703 width, height, 704 sampler_view[0]->texture, sampler_view[1]->texture, 705 src_matrix, mask_matrix); 706 break; 707 default: 708 debug_assert(!"Unsupported number of textures"); 709 break; 710 } 711} 712