xorg_renderer.c revision d509f84543d0979e9bb53c20c195f378dd61e728
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_rect.h" 11 12#include "pipe/p_inlines.h" 13 14#include <math.h> 15 16enum AxisOrientation { 17 Y0_BOTTOM, 18 Y0_TOP 19}; 20 21#define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y))) 22#define floatIsZero(x) (floatsEqual((x) + 1, 1)) 23 24#define NUM_COMPONENTS 4 25 26static INLINE boolean is_affine(float *matrix) 27{ 28 return floatIsZero(matrix[2]) && floatIsZero(matrix[5]) 29 && floatsEqual(matrix[8], 1); 30} 31static INLINE void map_point(float *mat, float x, float y, 32 float *out_x, float *out_y) 33{ 34 if (!mat) { 35 *out_x = x; 36 *out_y = y; 37 return; 38 } 39 40 *out_x = mat[0]*x + mat[3]*y + mat[6]; 41 *out_y = mat[1]*x + mat[4]*y + mat[7]; 42 if (!is_affine(mat)) { 43 float w = 1/(mat[2]*x + mat[5]*y + mat[8]); 44 *out_x *= w; 45 *out_y *= w; 46 } 47} 48 49static INLINE struct pipe_buffer * 50renderer_buffer_create(struct xorg_renderer *r) 51{ 52 struct pipe_buffer *buf = 53 pipe_user_buffer_create(r->pipe->screen, 54 r->buffer, 55 sizeof(float)* 56 r->buffer_size); 57 r->buffer_size = 0; 58 59 return buf; 60} 61 62static INLINE void 63renderer_draw(struct xorg_renderer *r) 64{ 65 struct pipe_context *pipe = r->pipe; 66 struct pipe_buffer *buf = 0; 67 int num_verts = r->buffer_size/(r->attrs_per_vertex * NUM_COMPONENTS); 68 69 if (!r->buffer_size) 70 return; 71 72 buf = renderer_buffer_create(r); 73 74 75 if (buf) { 76 util_draw_vertex_buffer(pipe, buf, 0, 77 PIPE_PRIM_QUADS, 78 num_verts, /* verts */ 79 r->attrs_per_vertex); /* attribs/vert */ 80 81 pipe_buffer_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; 99 100 /* set common initial clip state */ 101 memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state)); 102 cso_set_depth_stencil_alpha(r->cso, &dsa); 103} 104 105 106static INLINE void 107add_vertex_color(struct xorg_renderer *r, 108 float x, float y, 109 float color[4]) 110{ 111 float *vertex = r->buffer + r->buffer_size; 112 113 vertex[0] = x; 114 vertex[1] = y; 115 vertex[2] = 0.f; /*z*/ 116 vertex[3] = 1.f; /*w*/ 117 118 vertex[4] = color[0]; /*r*/ 119 vertex[5] = color[1]; /*g*/ 120 vertex[6] = color[2]; /*b*/ 121 vertex[7] = color[3]; /*a*/ 122 123 r->buffer_size += 8; 124} 125 126static INLINE void 127add_vertex_1tex(struct xorg_renderer *r, 128 float x, float y, float s, float t) 129{ 130 float *vertex = r->buffer + r->buffer_size; 131 132 vertex[0] = x; 133 vertex[1] = y; 134 vertex[2] = 0.f; /*z*/ 135 vertex[3] = 1.f; /*w*/ 136 137 vertex[4] = s; /*s*/ 138 vertex[5] = t; /*t*/ 139 vertex[6] = 0.f; /*r*/ 140 vertex[7] = 1.f; /*q*/ 141 142 r->buffer_size += 8; 143} 144 145static void 146add_vertex_data1(struct xorg_renderer *r, 147 float srcX, float srcY, float dstX, float dstY, 148 float width, float height, 149 struct pipe_texture *src, float *src_matrix) 150{ 151 float s0, t0, s1, t1, s2, t2, s3, t3; 152 float pt0[2], pt1[2], pt2[2], pt3[2]; 153 154 pt0[0] = srcX; 155 pt0[1] = srcY; 156 pt1[0] = (srcX + width); 157 pt1[1] = srcY; 158 pt2[0] = (srcX + width); 159 pt2[1] = (srcY + height); 160 pt3[0] = srcX; 161 pt3[1] = (srcY + height); 162 163 if (src_matrix) { 164 map_point(src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]); 165 map_point(src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]); 166 map_point(src_matrix, pt2[0], pt2[1], &pt2[0], &pt2[1]); 167 map_point(src_matrix, pt3[0], pt3[1], &pt3[0], &pt3[1]); 168 } 169 170 s0 = pt0[0] / src->width0; 171 s1 = pt1[0] / src->width0; 172 s2 = pt2[0] / src->width0; 173 s3 = pt3[0] / src->width0; 174 t0 = pt0[1] / src->height0; 175 t1 = pt1[1] / src->height0; 176 t2 = pt2[1] / src->height0; 177 t3 = pt3[1] / src->height0; 178 179 /* 1st vertex */ 180 add_vertex_1tex(r, dstX, dstY, s0, t0); 181 /* 2nd vertex */ 182 add_vertex_1tex(r, dstX + width, dstY, s1, t1); 183 /* 3rd vertex */ 184 add_vertex_1tex(r, dstX + width, dstY + height, s2, t2); 185 /* 4th vertex */ 186 add_vertex_1tex(r, dstX, dstY + height, s3, t3); 187} 188 189static struct pipe_buffer * 190setup_vertex_data_tex(struct xorg_renderer *r, 191 float x0, float y0, float x1, float y1, 192 float s0, float t0, float s1, float t1, 193 float z) 194{ 195 /* 1st vertex */ 196 add_vertex_1tex(r, x0, y0, s0, t0); 197 /* 2nd vertex */ 198 add_vertex_1tex(r, x1, y0, s1, t0); 199 /* 3rd vertex */ 200 add_vertex_1tex(r, x1, y1, s1, t1); 201 /* 4th vertex */ 202 add_vertex_1tex(r, x0, y1, s0, t1); 203 204 return renderer_buffer_create(r); 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_texture *src, 237 struct pipe_texture *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_buffer * 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_texture **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 325static void 326set_viewport(struct xorg_renderer *r, int width, int height, 327 enum AxisOrientation orientation) 328{ 329 struct pipe_viewport_state viewport; 330 float y_scale = (orientation == Y0_BOTTOM) ? -2.f : 2.f; 331 332 viewport.scale[0] = width / 2.f; 333 viewport.scale[1] = height / y_scale; 334 viewport.scale[2] = 1.0; 335 viewport.scale[3] = 1.0; 336 viewport.translate[0] = width / 2.f; 337 viewport.translate[1] = height / 2.f; 338 viewport.translate[2] = 0.0; 339 viewport.translate[3] = 0.0; 340 341 cso_set_viewport(r->cso, &viewport); 342} 343 344 345 346struct xorg_renderer * renderer_create(struct pipe_context *pipe) 347{ 348 struct xorg_renderer *renderer = CALLOC_STRUCT(xorg_renderer); 349 350 renderer->pipe = pipe; 351 renderer->cso = cso_create_context(pipe); 352 renderer->shaders = xorg_shaders_create(renderer); 353 354 renderer_init_state(renderer); 355 356 return renderer; 357} 358 359void renderer_destroy(struct xorg_renderer *r) 360{ 361 struct pipe_constant_buffer *vsbuf = &r->vs_const_buffer; 362 struct pipe_constant_buffer *fsbuf = &r->fs_const_buffer; 363 364 if (vsbuf && vsbuf->buffer) 365 pipe_buffer_reference(&vsbuf->buffer, NULL); 366 367 if (fsbuf && fsbuf->buffer) 368 pipe_buffer_reference(&fsbuf->buffer, NULL); 369 370 if (r->shaders) { 371 xorg_shaders_destroy(r->shaders); 372 r->shaders = NULL; 373 } 374 375 if (r->cso) { 376 cso_release_all(r->cso); 377 cso_destroy_context(r->cso); 378 r->cso = NULL; 379 } 380} 381 382void renderer_bind_framebuffer(struct xorg_renderer *r, 383 struct exa_pixmap_priv *priv) 384{ 385 unsigned i; 386 struct pipe_framebuffer_state state; 387 struct pipe_surface *surface = xorg_gpu_surface(r->pipe->screen, priv); 388 memset(&state, 0, sizeof(struct pipe_framebuffer_state)); 389 390 state.width = priv->tex->width0; 391 state.height = priv->tex->height0; 392 393 state.nr_cbufs = 1; 394 state.cbufs[0] = surface; 395 for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i) 396 state.cbufs[i] = 0; 397 398 /* currently we don't use depth/stencil */ 399 state.zsbuf = 0; 400 401 cso_set_framebuffer(r->cso, &state); 402 403 /* we do fire and forget for the framebuffer, this is the forget part */ 404 pipe_surface_reference(&surface, NULL); 405} 406 407void renderer_bind_viewport(struct xorg_renderer *r, 408 struct exa_pixmap_priv *dst) 409{ 410 int width = dst->tex->width0; 411 int height = dst->tex->height0; 412 413 /*debug_printf("Bind viewport (%d, %d)\n", width, height);*/ 414 415 set_viewport(r, width, height, Y0_TOP); 416} 417 418void renderer_bind_rasterizer(struct xorg_renderer *r) 419{ 420 struct pipe_rasterizer_state raster; 421 422 /* XXX: move to renderer_init_state? */ 423 memset(&raster, 0, sizeof(struct pipe_rasterizer_state)); 424 raster.gl_rasterization_rules = 1; 425 cso_set_rasterizer(r->cso, &raster); 426} 427 428void renderer_set_constants(struct xorg_renderer *r, 429 int shader_type, 430 const float *params, 431 int param_bytes) 432{ 433 struct pipe_constant_buffer *cbuf = 434 (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer : 435 &r->fs_const_buffer; 436 437 pipe_buffer_reference(&cbuf->buffer, NULL); 438 cbuf->buffer = pipe_buffer_create(r->pipe->screen, 16, 439 PIPE_BUFFER_USAGE_CONSTANT, 440 param_bytes); 441 442 if (cbuf->buffer) { 443 pipe_buffer_write(r->pipe->screen, cbuf->buffer, 444 0, param_bytes, params); 445 } 446 r->pipe->set_constant_buffer(r->pipe, shader_type, 0, cbuf); 447} 448 449static void 450setup_vs_constant_buffer(struct xorg_renderer *r, 451 int width, int height) 452{ 453 const int param_bytes = 8 * sizeof(float); 454 float vs_consts[8] = { 455 2.f/width, 2.f/height, 1, 1, 456 -1, -1, 0, 0 457 }; 458 renderer_set_constants(r, PIPE_SHADER_VERTEX, 459 vs_consts, param_bytes); 460} 461 462static void 463setup_fs_constant_buffer(struct xorg_renderer *r) 464{ 465 const int param_bytes = 4 * sizeof(float); 466 const float fs_consts[8] = { 467 0, 0, 0, 1, 468 }; 469 renderer_set_constants(r, PIPE_SHADER_FRAGMENT, 470 fs_consts, param_bytes); 471} 472 473static INLINE void shift_rectx(float coords[4], 474 const float *bounds, 475 const float shift) 476{ 477 coords[0] += shift; 478 coords[2] -= shift; 479 if (bounds) { 480 coords[2] = MIN2(coords[2], bounds[2]); 481 /* bound x/y + width/height */ 482 if ((coords[0] + coords[2]) > (bounds[0] + bounds[2])) { 483 coords[2] = (bounds[0] + bounds[2]) - coords[0]; 484 } 485 } 486} 487 488static INLINE void shift_recty(float coords[4], 489 const float *bounds, 490 const float shift) 491{ 492 coords[1] += shift; 493 coords[3] -= shift; 494 if (bounds) { 495 coords[3] = MIN2(coords[3], bounds[3]); 496 if ((coords[1] + coords[3]) > (bounds[1] + bounds[3])) { 497 coords[3] = (bounds[1] + bounds[3]) - coords[1]; 498 } 499 } 500} 501 502static INLINE void bound_rect(float coords[4], 503 const float bounds[4], 504 float shift[4]) 505{ 506 /* if outside the bounds */ 507 if (coords[0] > (bounds[0] + bounds[2]) || 508 coords[1] > (bounds[1] + bounds[3]) || 509 (coords[0] + coords[2]) < bounds[0] || 510 (coords[1] + coords[3]) < bounds[1]) { 511 coords[0] = 0.f; 512 coords[1] = 0.f; 513 coords[2] = 0.f; 514 coords[3] = 0.f; 515 shift[0] = 0.f; 516 shift[1] = 0.f; 517 return; 518 } 519 520 /* bound x */ 521 if (coords[0] < bounds[0]) { 522 shift[0] = bounds[0] - coords[0]; 523 coords[2] -= shift[0]; 524 coords[0] = bounds[0]; 525 } else 526 shift[0] = 0.f; 527 528 /* bound y */ 529 if (coords[1] < bounds[1]) { 530 shift[1] = bounds[1] - coords[1]; 531 coords[3] -= shift[1]; 532 coords[1] = bounds[1]; 533 } else 534 shift[1] = 0.f; 535 536 shift[2] = bounds[2] - coords[2]; 537 shift[3] = bounds[3] - coords[3]; 538 /* bound width/height */ 539 coords[2] = MIN2(coords[2], bounds[2]); 540 coords[3] = MIN2(coords[3], bounds[3]); 541 542 /* bound x/y + width/height */ 543 if ((coords[0] + coords[2]) > (bounds[0] + bounds[2])) { 544 coords[2] = (bounds[0] + bounds[2]) - coords[0]; 545 } 546 if ((coords[1] + coords[3]) > (bounds[1] + bounds[3])) { 547 coords[3] = (bounds[1] + bounds[3]) - coords[1]; 548 } 549 550 /* if outside the bounds */ 551 if ((coords[0] + coords[2]) < bounds[0] || 552 (coords[1] + coords[3]) < bounds[1]) { 553 coords[0] = 0.f; 554 coords[1] = 0.f; 555 coords[2] = 0.f; 556 coords[3] = 0.f; 557 return; 558 } 559} 560 561static INLINE void sync_size(float *src_loc, float *dst_loc) 562{ 563 src_loc[2] = MIN2(src_loc[2], dst_loc[2]); 564 src_loc[3] = MIN2(src_loc[3], dst_loc[3]); 565 dst_loc[2] = src_loc[2]; 566 dst_loc[3] = src_loc[3]; 567} 568 569static void renderer_copy_texture(struct xorg_renderer *r, 570 struct pipe_texture *src, 571 float sx1, float sy1, 572 float sx2, float sy2, 573 struct pipe_texture *dst, 574 float dx1, float dy1, 575 float dx2, float dy2) 576{ 577 struct pipe_context *pipe = r->pipe; 578 struct pipe_screen *screen = pipe->screen; 579 struct pipe_buffer *buf; 580 struct pipe_surface *dst_surf = screen->get_tex_surface( 581 screen, dst, 0, 0, 0, 582 PIPE_BUFFER_USAGE_GPU_WRITE); 583 struct pipe_framebuffer_state fb; 584 float s0, t0, s1, t1; 585 struct xorg_shader shader; 586 587 assert(src->width0 != 0); 588 assert(src->height0 != 0); 589 assert(dst->width0 != 0); 590 assert(dst->height0 != 0); 591 592#if 1 593 s0 = sx1 / src->width0; 594 s1 = sx2 / src->width0; 595 t0 = sy1 / src->height0; 596 t1 = sy2 / src->height0; 597#else 598 s0 = 0; 599 s1 = 1; 600 t0 = 0; 601 t1 = 1; 602#endif 603 604#if 0 605 debug_printf("copy texture src=[%f, %f, %f, %f], dst=[%f, %f, %f, %f], tex=[%f, %f, %f, %f]\n", 606 sx1, sy1, sx2, sy2, dx1, dy1, dx2, dy2, 607 s0, t0, s1, t1); 608#endif 609 610 assert(screen->is_format_supported(screen, dst_surf->format, 611 PIPE_TEXTURE_2D, 612 PIPE_TEXTURE_USAGE_RENDER_TARGET, 613 0)); 614 615 /* save state (restored below) */ 616 cso_save_blend(r->cso); 617 cso_save_samplers(r->cso); 618 cso_save_sampler_textures(r->cso); 619 cso_save_framebuffer(r->cso); 620 cso_save_fragment_shader(r->cso); 621 cso_save_vertex_shader(r->cso); 622 623 cso_save_viewport(r->cso); 624 625 626 /* set misc state we care about */ 627 { 628 struct pipe_blend_state blend; 629 memset(&blend, 0, sizeof(blend)); 630 blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE; 631 blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE; 632 blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; 633 blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; 634 blend.colormask = PIPE_MASK_RGBA; 635 cso_set_blend(r->cso, &blend); 636 } 637 638 /* sampler */ 639 { 640 struct pipe_sampler_state sampler; 641 memset(&sampler, 0, sizeof(sampler)); 642 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 643 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 644 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 645 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 646 sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; 647 sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; 648 sampler.normalized_coords = 1; 649 cso_single_sampler(r->cso, 0, &sampler); 650 cso_single_sampler_done(r->cso); 651 } 652 653 set_viewport(r, dst_surf->width, dst_surf->height, Y0_TOP); 654 655 /* texture */ 656 cso_set_sampler_textures(r->cso, 1, &src); 657 658 renderer_bind_rasterizer(r); 659 660 /* shaders */ 661 shader = xorg_shaders_get(r->shaders, 662 VS_COMPOSITE, 663 FS_COMPOSITE); 664 cso_set_vertex_shader_handle(r->cso, shader.vs); 665 cso_set_fragment_shader_handle(r->cso, shader.fs); 666 667 /* drawing dest */ 668 memset(&fb, 0, sizeof(fb)); 669 fb.width = dst_surf->width; 670 fb.height = dst_surf->height; 671 fb.nr_cbufs = 1; 672 fb.cbufs[0] = dst_surf; 673 { 674 int i; 675 for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i) 676 fb.cbufs[i] = 0; 677 } 678 cso_set_framebuffer(r->cso, &fb); 679 setup_vs_constant_buffer(r, fb.width, fb.height); 680 setup_fs_constant_buffer(r); 681 682 /* draw quad */ 683 buf = setup_vertex_data_tex(r, 684 dx1, dy1, 685 dx2, dy2, 686 s0, t0, s1, t1, 687 0.0f); 688 689 if (buf) { 690 util_draw_vertex_buffer(r->pipe, buf, 0, 691 PIPE_PRIM_QUADS, 692 4, /* verts */ 693 2); /* attribs/vert */ 694 695 pipe_buffer_reference(&buf, NULL); 696 } 697 698 /* restore state we changed */ 699 cso_restore_blend(r->cso); 700 cso_restore_samplers(r->cso); 701 cso_restore_sampler_textures(r->cso); 702 cso_restore_framebuffer(r->cso); 703 cso_restore_vertex_shader(r->cso); 704 cso_restore_fragment_shader(r->cso); 705 cso_restore_viewport(r->cso); 706 707 pipe_surface_reference(&dst_surf, NULL); 708} 709 710static struct pipe_texture * 711create_sampler_texture(struct xorg_renderer *r, 712 struct pipe_texture *src) 713{ 714 enum pipe_format format; 715 struct pipe_context *pipe = r->pipe; 716 struct pipe_screen *screen = pipe->screen; 717 struct pipe_texture *pt; 718 struct pipe_texture templ; 719 720 pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL); 721 722 /* the coming in texture should already have that invariance */ 723 debug_assert(screen->is_format_supported(screen, src->format, 724 PIPE_TEXTURE_2D, 725 PIPE_TEXTURE_USAGE_SAMPLER, 0)); 726 727 format = src->format; 728 729 memset(&templ, 0, sizeof(templ)); 730 templ.target = PIPE_TEXTURE_2D; 731 templ.format = format; 732 templ.last_level = 0; 733 templ.width0 = src->width0; 734 templ.height0 = src->height0; 735 templ.depth0 = 1; 736 pf_get_block(format, &templ.block); 737 templ.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER; 738 739 pt = screen->texture_create(screen, &templ); 740 741 debug_assert(!pt || pipe_is_referenced(&pt->reference)); 742 743 if (!pt) 744 return NULL; 745 746 { 747 /* copy source framebuffer surface into texture */ 748 struct pipe_surface *ps_read = screen->get_tex_surface( 749 screen, src, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ); 750 struct pipe_surface *ps_tex = screen->get_tex_surface( 751 screen, pt, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE ); 752 if (pipe->surface_copy) { 753 pipe->surface_copy(pipe, 754 ps_tex, /* dest */ 755 0, 0, /* destx/y */ 756 ps_read, 757 0, 0, src->width0, src->height0); 758 } else { 759 util_surface_copy(pipe, FALSE, 760 ps_tex, /* dest */ 761 0, 0, /* destx/y */ 762 ps_read, 763 0, 0, src->width0, src->height0); 764 } 765 pipe_surface_reference(&ps_read, NULL); 766 pipe_surface_reference(&ps_tex, NULL); 767 } 768 769 return pt; 770} 771 772 773void renderer_copy_pixmap(struct xorg_renderer *r, 774 struct exa_pixmap_priv *dst_priv, int dx, int dy, 775 struct exa_pixmap_priv *src_priv, int sx, int sy, 776 int width, int height) 777{ 778 float dst_loc[4], src_loc[4]; 779 float dst_bounds[4], src_bounds[4]; 780 float src_shift[4], dst_shift[4], shift[4]; 781 struct pipe_texture *dst = dst_priv->tex; 782 struct pipe_texture *src = src_priv->tex; 783 784 if (r->pipe->is_texture_referenced(r->pipe, src, 0, 0) & 785 PIPE_REFERENCED_FOR_WRITE) 786 r->pipe->flush(r->pipe, PIPE_FLUSH_RENDER_CACHE, NULL); 787 788 dst_loc[0] = dx; 789 dst_loc[1] = dy; 790 dst_loc[2] = width; 791 dst_loc[3] = height; 792 dst_bounds[0] = 0.f; 793 dst_bounds[1] = 0.f; 794 dst_bounds[2] = dst->width0; 795 dst_bounds[3] = dst->height0; 796 797 src_loc[0] = sx; 798 src_loc[1] = sy; 799 src_loc[2] = width; 800 src_loc[3] = height; 801 src_bounds[0] = 0.f; 802 src_bounds[1] = 0.f; 803 src_bounds[2] = src->width0; 804 src_bounds[3] = src->height0; 805 806 bound_rect(src_loc, src_bounds, src_shift); 807 bound_rect(dst_loc, dst_bounds, dst_shift); 808 shift[0] = src_shift[0] - dst_shift[0]; 809 shift[1] = src_shift[1] - dst_shift[1]; 810 811 if (shift[0] < 0) 812 shift_rectx(src_loc, src_bounds, -shift[0]); 813 else 814 shift_rectx(dst_loc, dst_bounds, shift[0]); 815 816 if (shift[1] < 0) 817 shift_recty(src_loc, src_bounds, -shift[1]); 818 else 819 shift_recty(dst_loc, dst_bounds, shift[1]); 820 821 sync_size(src_loc, dst_loc); 822 823 if (src_loc[2] >= 0 && src_loc[3] >= 0 && 824 dst_loc[2] >= 0 && dst_loc[3] >= 0) { 825 struct pipe_texture *temp_src = src; 826 827 if (src == dst) 828 temp_src = create_sampler_texture(r, src); 829 830 renderer_copy_texture(r, 831 temp_src, 832 src_loc[0], 833 src_loc[1], 834 src_loc[0] + src_loc[2], 835 src_loc[1] + src_loc[3], 836 dst, 837 dst_loc[0], 838 dst_loc[1], 839 dst_loc[0] + dst_loc[2], 840 dst_loc[1] + dst_loc[3]); 841 842 if (src == dst) 843 pipe_texture_reference(&temp_src, NULL); 844 } 845} 846 847void renderer_draw_yuv(struct xorg_renderer *r, 848 int src_x, int src_y, int src_w, int src_h, 849 int dst_x, int dst_y, int dst_w, int dst_h, 850 struct pipe_texture **textures) 851{ 852 struct pipe_context *pipe = r->pipe; 853 struct pipe_buffer *buf = 0; 854 855 buf = setup_vertex_data_yuv(r, 856 src_x, src_y, src_w, src_h, 857 dst_x, dst_y, dst_w, dst_h, 858 textures); 859 860 if (buf) { 861 const int num_attribs = 2; /*pos + tex coord*/ 862 863 util_draw_vertex_buffer(pipe, buf, 0, 864 PIPE_PRIM_QUADS, 865 4, /* verts */ 866 num_attribs); /* attribs/vert */ 867 868 pipe_buffer_reference(&buf, NULL); 869 } 870} 871 872void renderer_begin_solid(struct xorg_renderer *r) 873{ 874 r->buffer_size = 0; 875 r->attrs_per_vertex = 2; 876} 877 878void renderer_solid(struct xorg_renderer *r, 879 int x0, int y0, 880 int x1, int y1, 881 float *color) 882{ 883 /* 884 debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n", 885 x0, y0, x1, y1, color[0], color[1], color[2], color[3]);*/ 886 887 renderer_draw_conditional(r, 4 * 8); 888 889 /* 1st vertex */ 890 add_vertex_color(r, x0, y0, color); 891 /* 2nd vertex */ 892 add_vertex_color(r, x1, y0, color); 893 /* 3rd vertex */ 894 add_vertex_color(r, x1, y1, color); 895 /* 4th vertex */ 896 add_vertex_color(r, x0, y1, color); 897} 898 899void renderer_draw_flush(struct xorg_renderer *r) 900{ 901 renderer_draw_conditional(r, 0); 902} 903 904void renderer_begin_textures(struct xorg_renderer *r, 905 struct pipe_texture **textures, 906 int num_textures) 907{ 908 r->attrs_per_vertex = 1 + num_textures; 909 r->buffer_size = 0; 910} 911 912void renderer_texture(struct xorg_renderer *r, 913 int *pos, 914 int width, int height, 915 struct pipe_texture **textures, 916 int num_textures, 917 float *src_matrix, 918 float *mask_matrix) 919{ 920 921#if 0 922 if (src_matrix) { 923 debug_printf("src_matrix = \n"); 924 debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]); 925 debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]); 926 debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]); 927 } 928 if (mask_matrix) { 929 debug_printf("mask_matrix = \n"); 930 debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]); 931 debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]); 932 debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]); 933 } 934#endif 935 936 switch(r->attrs_per_vertex) { 937 case 2: 938 renderer_draw_conditional(r, 4 * 8); 939 add_vertex_data1(r, 940 pos[0], pos[1], /* src */ 941 pos[4], pos[5], /* dst */ 942 width, height, 943 textures[0], src_matrix); 944 break; 945 case 3: 946 renderer_draw_conditional(r, 4 * 12); 947 add_vertex_data2(r, 948 pos[0], pos[1], /* src */ 949 pos[2], pos[3], /* mask */ 950 pos[4], pos[5], /* dst */ 951 width, height, 952 textures[0], textures[1], 953 src_matrix, mask_matrix); 954 break; 955 default: 956 debug_assert(!"Unsupported number of textures"); 957 break; 958 } 959} 960