xorg_renderer.c revision a9f8baf00b264a9b370ecb611334af3063674ce5
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 24static INLINE boolean is_affine(float *matrix) 25{ 26 return floatIsZero(matrix[2]) && floatIsZero(matrix[5]) 27 && floatsEqual(matrix[8], 1); 28} 29static INLINE void map_point(float *mat, float x, float y, 30 float *out_x, float *out_y) 31{ 32 if (!mat) { 33 *out_x = x; 34 *out_y = y; 35 return; 36 } 37 38 *out_x = mat[0]*x + mat[3]*y + mat[6]; 39 *out_y = mat[1]*x + mat[4]*y + mat[7]; 40 if (!is_affine(mat)) { 41 float w = 1/(mat[2]*x + mat[5]*y + mat[8]); 42 *out_x *= w; 43 *out_y *= w; 44 } 45} 46 47static void 48renderer_init_state(struct xorg_renderer *r) 49{ 50 struct pipe_depth_stencil_alpha_state dsa; 51 52 /* set common initial clip state */ 53 memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state)); 54 cso_set_depth_stencil_alpha(r->cso, &dsa); 55} 56 57 58static INLINE void 59setup_vertex0(float vertex[2][4], float x, float y, 60 float color[4]) 61{ 62 vertex[0][0] = x; 63 vertex[0][1] = y; 64 vertex[0][2] = 0.f; /*z*/ 65 vertex[0][3] = 1.f; /*w*/ 66 67 vertex[1][0] = color[0]; /*r*/ 68 vertex[1][1] = color[1]; /*g*/ 69 vertex[1][2] = color[2]; /*b*/ 70 vertex[1][3] = color[3]; /*a*/ 71} 72 73static INLINE void 74setup_vertex1(float vertex[2][4], float x, float y, float s, float t) 75{ 76 vertex[0][0] = x; 77 vertex[0][1] = y; 78 vertex[0][2] = 0.f; /*z*/ 79 vertex[0][3] = 1.f; /*w*/ 80 81 vertex[1][0] = s; /*s*/ 82 vertex[1][1] = t; /*t*/ 83 vertex[1][2] = 0.f; /*r*/ 84 vertex[1][3] = 1.f; /*q*/ 85} 86 87static struct pipe_buffer * 88setup_vertex_data1(struct xorg_renderer *r, 89 float srcX, float srcY, float dstX, float dstY, 90 float width, float height, 91 struct pipe_texture *src, float *src_matrix) 92{ 93 float s0, t0, s1, t1; 94 float pt0[2], pt1[2]; 95 96 pt0[0] = srcX; 97 pt0[1] = srcY; 98 pt1[0] = (srcX + width); 99 pt1[1] = (srcY + height); 100 101 if (src_matrix) { 102 map_point(src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]); 103 map_point(src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]); 104 } 105 106 s0 = pt0[0] / src->width[0]; 107 s1 = pt1[0] / src->width[0]; 108 t0 = pt0[1] / src->height[0]; 109 t1 = pt1[1] / src->height[0]; 110 111 /* 1st vertex */ 112 setup_vertex1(r->vertices2[0], dstX, dstY, s0, t0); 113 /* 2nd vertex */ 114 setup_vertex1(r->vertices2[1], dstX + width, dstY, s1, t0); 115 /* 3rd vertex */ 116 setup_vertex1(r->vertices2[2], dstX + width, dstY + height, s1, t1); 117 /* 4th vertex */ 118 setup_vertex1(r->vertices2[3], dstX, dstY + height, s0, t1); 119 120 return pipe_user_buffer_create(r->pipe->screen, 121 r->vertices2, 122 sizeof(r->vertices2)); 123} 124 125static struct pipe_buffer * 126setup_vertex_data_tex(struct xorg_renderer *r, 127 float x0, float y0, float x1, float y1, 128 float s0, float t0, float s1, float t1, 129 float z) 130{ 131 /* 1st vertex */ 132 setup_vertex1(r->vertices2[0], x0, y0, s0, t0); 133 /* 2nd vertex */ 134 setup_vertex1(r->vertices2[1], x1, y0, s1, t0); 135 /* 3rd vertex */ 136 setup_vertex1(r->vertices2[2], x1, y1, s1, t1); 137 /* 4th vertex */ 138 setup_vertex1(r->vertices2[3], x0, y1, s0, t1); 139 140 return pipe_user_buffer_create(r->pipe->screen, 141 r->vertices2, 142 sizeof(r->vertices2)); 143} 144 145static INLINE void 146setup_vertex2(float vertex[3][4], float x, float y, 147 float s0, float t0, float s1, float t1) 148{ 149 vertex[0][0] = x; 150 vertex[0][1] = y; 151 vertex[0][2] = 0.f; /*z*/ 152 vertex[0][3] = 1.f; /*w*/ 153 154 vertex[1][0] = s0; /*s*/ 155 vertex[1][1] = t0; /*t*/ 156 vertex[1][2] = 0.f; /*r*/ 157 vertex[1][3] = 1.f; /*q*/ 158 159 vertex[2][0] = s1; /*s*/ 160 vertex[2][1] = t1; /*t*/ 161 vertex[2][2] = 0.f; /*r*/ 162 vertex[2][3] = 1.f; /*q*/ 163} 164 165static struct pipe_buffer * 166setup_vertex_data2(struct xorg_renderer *r, 167 float srcX, float srcY, float maskX, float maskY, 168 float dstX, float dstY, float width, float height, 169 struct pipe_texture *src, 170 struct pipe_texture *mask, 171 float *src_matrix, float *mask_matrix) 172{ 173 float src_s0, src_t0, src_s1, src_t1; 174 float mask_s0, mask_t0, mask_s1, mask_t1; 175 float spt0[2], spt1[2]; 176 float mpt0[2], mpt1[2]; 177 178 spt0[0] = srcX; 179 spt0[1] = srcY; 180 spt1[0] = srcX + width; 181 spt1[1] = srcY + height; 182 183 mpt0[0] = maskX; 184 mpt0[1] = maskY; 185 mpt1[0] = maskX + width; 186 mpt1[1] = maskY + height; 187 188 if (src_matrix) { 189 map_point(src_matrix, spt0[0], spt0[1], &spt0[0], &spt0[1]); 190 map_point(src_matrix, spt1[0], spt1[1], &spt1[0], &spt1[1]); 191 } 192 193 if (mask_matrix) { 194 map_point(mask_matrix, mpt0[0], mpt0[1], &mpt0[0], &mpt0[1]); 195 map_point(mask_matrix, mpt1[0], mpt1[1], &mpt1[0], &mpt1[1]); 196 } 197 198 src_s0 = spt0[0] / src->width[0]; 199 src_t0 = spt0[1] / src->height[0]; 200 src_s1 = spt1[0] / src->width[0]; 201 src_t1 = spt1[1] / src->height[0]; 202 203 mask_s0 = mpt0[0] / mask->width[0]; 204 mask_t0 = mpt0[1] / mask->height[0]; 205 mask_s1 = mpt1[0] / mask->width[0]; 206 mask_t1 = mpt1[1] / mask->height[0]; 207 208 /* 1st vertex */ 209 setup_vertex2(r->vertices3[0], dstX, dstY, 210 src_s0, src_t0, mask_s0, mask_t0); 211 /* 2nd vertex */ 212 setup_vertex2(r->vertices3[1], dstX + width, dstY, 213 src_s1, src_t0, mask_s1, mask_t0); 214 /* 3rd vertex */ 215 setup_vertex2(r->vertices3[2], dstX + width, dstY + height, 216 src_s1, src_t1, mask_s1, mask_t1); 217 /* 4th vertex */ 218 setup_vertex2(r->vertices3[3], dstX, dstY + height, 219 src_s0, src_t1, mask_s0, mask_t1); 220 221 222 return pipe_user_buffer_create(r->pipe->screen, 223 r->vertices3, 224 sizeof(r->vertices3)); 225} 226 227static struct pipe_buffer * 228setup_vertex_data_yuv(struct xorg_renderer *r, 229 float srcX, float srcY, 230 float dstX, float dstY, 231 float width, float height, 232 struct pipe_texture **tex) 233{ 234 float s0, t0, s1, t1; 235 float spt0[2], spt1[2]; 236 237 spt0[0] = srcX; 238 spt0[1] = srcY; 239 spt1[0] = srcX + width; 240 spt1[1] = srcY + height; 241 242 s0 = spt0[0] / tex[0]->width[0]; 243 t0 = spt0[1] / tex[0]->height[0]; 244 s1 = spt1[0] / tex[0]->width[0]; 245 t1 = spt1[1] / tex[0]->height[0]; 246 247 /* 1st vertex */ 248 setup_vertex1(r->vertices2[0], dstX, dstY, s0, t0); 249 /* 2nd vertex */ 250 setup_vertex1(r->vertices2[1], dstX + width, dstY, 251 s1, t0); 252 /* 3rd vertex */ 253 setup_vertex1(r->vertices2[2], dstX + width, dstY + height, 254 s1, t1); 255 /* 4th vertex */ 256 setup_vertex1(r->vertices2[3], dstX, dstY + height, 257 s0, t1); 258 259 260 return pipe_user_buffer_create(r->pipe->screen, 261 r->vertices2, 262 sizeof(r->vertices2)); 263} 264 265 266 267static void 268set_viewport(struct xorg_renderer *r, int width, int height, 269 enum AxisOrientation orientation) 270{ 271 struct pipe_viewport_state viewport; 272 float y_scale = (orientation == Y0_BOTTOM) ? -2.f : 2.f; 273 274 viewport.scale[0] = width / 2.f; 275 viewport.scale[1] = height / y_scale; 276 viewport.scale[2] = 1.0; 277 viewport.scale[3] = 1.0; 278 viewport.translate[0] = width / 2.f; 279 viewport.translate[1] = height / 2.f; 280 viewport.translate[2] = 0.0; 281 viewport.translate[3] = 0.0; 282 283 cso_set_viewport(r->cso, &viewport); 284} 285 286 287 288struct xorg_renderer * renderer_create(struct pipe_context *pipe) 289{ 290 struct xorg_renderer *renderer = CALLOC_STRUCT(xorg_renderer); 291 292 renderer->pipe = pipe; 293 renderer->cso = cso_create_context(pipe); 294 renderer->shaders = xorg_shaders_create(renderer); 295 296 renderer_init_state(renderer); 297 298 return renderer; 299} 300 301void renderer_destroy(struct xorg_renderer *r) 302{ 303 struct pipe_constant_buffer *vsbuf = &r->vs_const_buffer; 304 struct pipe_constant_buffer *fsbuf = &r->fs_const_buffer; 305 306 if (vsbuf && vsbuf->buffer) 307 pipe_buffer_reference(&vsbuf->buffer, NULL); 308 309 if (fsbuf && fsbuf->buffer) 310 pipe_buffer_reference(&fsbuf->buffer, NULL); 311 312 if (r->shaders) { 313 xorg_shaders_destroy(r->shaders); 314 r->shaders = NULL; 315 } 316 317 if (r->cso) { 318 cso_release_all(r->cso); 319 cso_destroy_context(r->cso); 320 r->cso = NULL; 321 } 322} 323 324void renderer_bind_framebuffer(struct xorg_renderer *r, 325 struct exa_pixmap_priv *priv) 326{ 327 unsigned i; 328 struct pipe_framebuffer_state state; 329 struct pipe_surface *surface = xorg_gpu_surface(r->pipe->screen, priv); 330 memset(&state, 0, sizeof(struct pipe_framebuffer_state)); 331 332 state.width = priv->tex->width[0]; 333 state.height = priv->tex->height[0]; 334 335 state.nr_cbufs = 1; 336 state.cbufs[0] = surface; 337 for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i) 338 state.cbufs[i] = 0; 339 340 /* currently we don't use depth/stencil */ 341 state.zsbuf = 0; 342 343 cso_set_framebuffer(r->cso, &state); 344 345 /* we do fire and forget for the framebuffer, this is the forget part */ 346 pipe_surface_reference(&surface, NULL); 347} 348 349void renderer_bind_viewport(struct xorg_renderer *r, 350 struct exa_pixmap_priv *dst) 351{ 352 int width = dst->tex->width[0]; 353 int height = dst->tex->height[0]; 354 355 /*debug_printf("Bind viewport (%d, %d)\n", width, height);*/ 356 357 set_viewport(r, width, height, Y0_TOP); 358} 359 360void renderer_bind_rasterizer(struct xorg_renderer *r) 361{ 362 struct pipe_rasterizer_state raster; 363 364 /* XXX: move to renderer_init_state? */ 365 memset(&raster, 0, sizeof(struct pipe_rasterizer_state)); 366 raster.gl_rasterization_rules = 1; 367 cso_set_rasterizer(r->cso, &raster); 368} 369 370void renderer_set_constants(struct xorg_renderer *r, 371 int shader_type, 372 const float *params, 373 int param_bytes) 374{ 375 struct pipe_constant_buffer *cbuf = 376 (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer : 377 &r->fs_const_buffer; 378 379 pipe_buffer_reference(&cbuf->buffer, NULL); 380 cbuf->buffer = pipe_buffer_create(r->pipe->screen, 16, 381 PIPE_BUFFER_USAGE_CONSTANT, 382 param_bytes); 383 384 if (cbuf->buffer) { 385 pipe_buffer_write(r->pipe->screen, cbuf->buffer, 386 0, param_bytes, params); 387 } 388 r->pipe->set_constant_buffer(r->pipe, shader_type, 0, cbuf); 389} 390 391static void 392setup_vs_constant_buffer(struct xorg_renderer *r, 393 int width, int height) 394{ 395 const int param_bytes = 8 * sizeof(float); 396 float vs_consts[8] = { 397 2.f/width, 2.f/height, 1, 1, 398 -1, -1, 0, 0 399 }; 400 renderer_set_constants(r, PIPE_SHADER_VERTEX, 401 vs_consts, param_bytes); 402} 403 404static void 405setup_fs_constant_buffer(struct xorg_renderer *r) 406{ 407 const int param_bytes = 4 * sizeof(float); 408 const float fs_consts[8] = { 409 0, 0, 0, 1, 410 }; 411 renderer_set_constants(r, PIPE_SHADER_FRAGMENT, 412 fs_consts, param_bytes); 413} 414 415static INLINE void shift_rectx(float coords[4], 416 const float *bounds, 417 const float shift) 418{ 419 coords[0] += shift; 420 coords[2] -= shift; 421 if (bounds) { 422 coords[2] = MIN2(coords[2], bounds[2]); 423 /* bound x/y + width/height */ 424 if ((coords[0] + coords[2]) > (bounds[0] + bounds[2])) { 425 coords[2] = (bounds[0] + bounds[2]) - coords[0]; 426 } 427 } 428} 429 430static INLINE void shift_recty(float coords[4], 431 const float *bounds, 432 const float shift) 433{ 434 coords[1] += shift; 435 coords[3] -= shift; 436 if (bounds) { 437 coords[3] = MIN2(coords[3], bounds[3]); 438 if ((coords[1] + coords[3]) > (bounds[1] + bounds[3])) { 439 coords[3] = (bounds[1] + bounds[3]) - coords[1]; 440 } 441 } 442} 443 444static INLINE void bound_rect(float coords[4], 445 const float bounds[4], 446 float shift[4]) 447{ 448 /* if outside the bounds */ 449 if (coords[0] > (bounds[0] + bounds[2]) || 450 coords[1] > (bounds[1] + bounds[3]) || 451 (coords[0] + coords[2]) < bounds[0] || 452 (coords[1] + coords[3]) < bounds[1]) { 453 coords[0] = 0.f; 454 coords[1] = 0.f; 455 coords[2] = 0.f; 456 coords[3] = 0.f; 457 shift[0] = 0.f; 458 shift[1] = 0.f; 459 return; 460 } 461 462 /* bound x */ 463 if (coords[0] < bounds[0]) { 464 shift[0] = bounds[0] - coords[0]; 465 coords[2] -= shift[0]; 466 coords[0] = bounds[0]; 467 } else 468 shift[0] = 0.f; 469 470 /* bound y */ 471 if (coords[1] < bounds[1]) { 472 shift[1] = bounds[1] - coords[1]; 473 coords[3] -= shift[1]; 474 coords[1] = bounds[1]; 475 } else 476 shift[1] = 0.f; 477 478 shift[2] = bounds[2] - coords[2]; 479 shift[3] = bounds[3] - coords[3]; 480 /* bound width/height */ 481 coords[2] = MIN2(coords[2], bounds[2]); 482 coords[3] = MIN2(coords[3], bounds[3]); 483 484 /* bound x/y + width/height */ 485 if ((coords[0] + coords[2]) > (bounds[0] + bounds[2])) { 486 coords[2] = (bounds[0] + bounds[2]) - coords[0]; 487 } 488 if ((coords[1] + coords[3]) > (bounds[1] + bounds[3])) { 489 coords[3] = (bounds[1] + bounds[3]) - coords[1]; 490 } 491 492 /* if outside the bounds */ 493 if ((coords[0] + coords[2]) < bounds[0] || 494 (coords[1] + coords[3]) < bounds[1]) { 495 coords[0] = 0.f; 496 coords[1] = 0.f; 497 coords[2] = 0.f; 498 coords[3] = 0.f; 499 return; 500 } 501} 502 503static INLINE void sync_size(float *src_loc, float *dst_loc) 504{ 505 src_loc[2] = MIN2(src_loc[2], dst_loc[2]); 506 src_loc[3] = MIN2(src_loc[3], dst_loc[3]); 507 dst_loc[2] = src_loc[2]; 508 dst_loc[3] = src_loc[3]; 509} 510 511static void renderer_copy_texture(struct xorg_renderer *r, 512 struct pipe_texture *src, 513 float sx1, float sy1, 514 float sx2, float sy2, 515 struct pipe_texture *dst, 516 float dx1, float dy1, 517 float dx2, float dy2) 518{ 519 struct pipe_context *pipe = r->pipe; 520 struct pipe_screen *screen = pipe->screen; 521 struct pipe_buffer *buf; 522 struct pipe_surface *dst_surf = screen->get_tex_surface( 523 screen, dst, 0, 0, 0, 524 PIPE_BUFFER_USAGE_GPU_WRITE); 525 struct pipe_framebuffer_state fb; 526 float s0, t0, s1, t1; 527 struct xorg_shader shader; 528 529 assert(src->width[0] != 0); 530 assert(src->height[0] != 0); 531 assert(dst->width[0] != 0); 532 assert(dst->height[0] != 0); 533 534#if 1 535 s0 = sx1 / src->width[0]; 536 s1 = sx2 / src->width[0]; 537 t0 = sy1 / src->height[0]; 538 t1 = sy2 / src->height[0]; 539#else 540 s0 = 0; 541 s1 = 1; 542 t0 = 0; 543 t1 = 1; 544#endif 545 546#if 0 547 debug_printf("copy texture src=[%f, %f, %f, %f], dst=[%f, %f, %f, %f], tex=[%f, %f, %f, %f]\n", 548 sx1, sy1, sx2, sy2, dx1, dy1, dx2, dy2, 549 s0, t0, s1, t1); 550#endif 551 552 assert(screen->is_format_supported(screen, dst_surf->format, 553 PIPE_TEXTURE_2D, 554 PIPE_TEXTURE_USAGE_RENDER_TARGET, 555 0)); 556 557 /* save state (restored below) */ 558 cso_save_blend(r->cso); 559 cso_save_samplers(r->cso); 560 cso_save_sampler_textures(r->cso); 561 cso_save_framebuffer(r->cso); 562 cso_save_fragment_shader(r->cso); 563 cso_save_vertex_shader(r->cso); 564 565 cso_save_viewport(r->cso); 566 567 568 /* set misc state we care about */ 569 { 570 struct pipe_blend_state blend; 571 memset(&blend, 0, sizeof(blend)); 572 blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE; 573 blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE; 574 blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; 575 blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; 576 blend.colormask = PIPE_MASK_RGBA; 577 cso_set_blend(r->cso, &blend); 578 } 579 580 /* sampler */ 581 { 582 struct pipe_sampler_state sampler; 583 memset(&sampler, 0, sizeof(sampler)); 584 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 585 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 586 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 587 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 588 sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; 589 sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; 590 sampler.normalized_coords = 1; 591 cso_single_sampler(r->cso, 0, &sampler); 592 cso_single_sampler_done(r->cso); 593 } 594 595 set_viewport(r, dst_surf->width, dst_surf->height, Y0_TOP); 596 597 /* texture */ 598 cso_set_sampler_textures(r->cso, 1, &src); 599 600 renderer_bind_rasterizer(r); 601 602 /* shaders */ 603 shader = xorg_shaders_get(r->shaders, 604 VS_COMPOSITE, 605 FS_COMPOSITE); 606 cso_set_vertex_shader_handle(r->cso, shader.vs); 607 cso_set_fragment_shader_handle(r->cso, shader.fs); 608 609 /* drawing dest */ 610 memset(&fb, 0, sizeof(fb)); 611 fb.width = dst_surf->width; 612 fb.height = dst_surf->height; 613 fb.nr_cbufs = 1; 614 fb.cbufs[0] = dst_surf; 615 { 616 int i; 617 for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i) 618 fb.cbufs[i] = 0; 619 } 620 cso_set_framebuffer(r->cso, &fb); 621 setup_vs_constant_buffer(r, fb.width, fb.height); 622 setup_fs_constant_buffer(r); 623 624 /* draw quad */ 625 buf = setup_vertex_data_tex(r, 626 dx1, dy1, 627 dx2, dy2, 628 s0, t0, s1, t1, 629 0.0f); 630 631 if (buf) { 632 util_draw_vertex_buffer(r->pipe, buf, 0, 633 PIPE_PRIM_TRIANGLE_FAN, 634 4, /* verts */ 635 2); /* attribs/vert */ 636 637 pipe_buffer_reference(&buf, NULL); 638 } 639 640 /* restore state we changed */ 641 cso_restore_blend(r->cso); 642 cso_restore_samplers(r->cso); 643 cso_restore_sampler_textures(r->cso); 644 cso_restore_framebuffer(r->cso); 645 cso_restore_vertex_shader(r->cso); 646 cso_restore_fragment_shader(r->cso); 647 cso_restore_viewport(r->cso); 648 649 pipe_surface_reference(&dst_surf, NULL); 650} 651 652static struct pipe_texture * 653create_sampler_texture(struct xorg_renderer *r, 654 struct pipe_texture *src) 655{ 656 enum pipe_format format; 657 struct pipe_context *pipe = r->pipe; 658 struct pipe_screen *screen = pipe->screen; 659 struct pipe_texture *pt; 660 struct pipe_texture templ; 661 662 pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL); 663 664 /* the coming in texture should already have that invariance */ 665 debug_assert(screen->is_format_supported(screen, src->format, 666 PIPE_TEXTURE_2D, 667 PIPE_TEXTURE_USAGE_SAMPLER, 0)); 668 669 format = src->format; 670 671 memset(&templ, 0, sizeof(templ)); 672 templ.target = PIPE_TEXTURE_2D; 673 templ.format = format; 674 templ.last_level = 0; 675 templ.width[0] = src->width[0]; 676 templ.height[0] = src->height[0]; 677 templ.depth[0] = 1; 678 pf_get_block(format, &templ.block); 679 templ.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER; 680 681 pt = screen->texture_create(screen, &templ); 682 683 debug_assert(!pt || pipe_is_referenced(&pt->reference)); 684 685 if (!pt) 686 return NULL; 687 688 { 689 /* copy source framebuffer surface into texture */ 690 struct pipe_surface *ps_read = screen->get_tex_surface( 691 screen, src, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ); 692 struct pipe_surface *ps_tex = screen->get_tex_surface( 693 screen, pt, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE ); 694 if (pipe->surface_copy) { 695 pipe->surface_copy(pipe, 696 ps_tex, /* dest */ 697 0, 0, /* destx/y */ 698 ps_read, 699 0, 0, src->width[0], src->height[0]); 700 } else { 701 util_surface_copy(pipe, FALSE, 702 ps_tex, /* dest */ 703 0, 0, /* destx/y */ 704 ps_read, 705 0, 0, src->width[0], src->height[0]); 706 } 707 pipe_surface_reference(&ps_read, NULL); 708 pipe_surface_reference(&ps_tex, NULL); 709 } 710 711 return pt; 712} 713 714 715void renderer_copy_pixmap(struct xorg_renderer *r, 716 struct exa_pixmap_priv *dst_priv, int dx, int dy, 717 struct exa_pixmap_priv *src_priv, int sx, int sy, 718 int width, int height) 719{ 720 float dst_loc[4], src_loc[4]; 721 float dst_bounds[4], src_bounds[4]; 722 float src_shift[4], dst_shift[4], shift[4]; 723 struct pipe_texture *dst = dst_priv->tex; 724 struct pipe_texture *src = src_priv->tex; 725 726 if (r->pipe->is_texture_referenced(r->pipe, src, 0, 0) & 727 PIPE_REFERENCED_FOR_WRITE) 728 r->pipe->flush(r->pipe, PIPE_FLUSH_RENDER_CACHE, NULL); 729 730 dst_loc[0] = dx; 731 dst_loc[1] = dy; 732 dst_loc[2] = width; 733 dst_loc[3] = height; 734 dst_bounds[0] = 0.f; 735 dst_bounds[1] = 0.f; 736 dst_bounds[2] = dst->width[0]; 737 dst_bounds[3] = dst->height[0]; 738 739 src_loc[0] = sx; 740 src_loc[1] = sy; 741 src_loc[2] = width; 742 src_loc[3] = height; 743 src_bounds[0] = 0.f; 744 src_bounds[1] = 0.f; 745 src_bounds[2] = src->width[0]; 746 src_bounds[3] = src->height[0]; 747 748 bound_rect(src_loc, src_bounds, src_shift); 749 bound_rect(dst_loc, dst_bounds, dst_shift); 750 shift[0] = src_shift[0] - dst_shift[0]; 751 shift[1] = src_shift[1] - dst_shift[1]; 752 753 if (shift[0] < 0) 754 shift_rectx(src_loc, src_bounds, -shift[0]); 755 else 756 shift_rectx(dst_loc, dst_bounds, shift[0]); 757 758 if (shift[1] < 0) 759 shift_recty(src_loc, src_bounds, -shift[1]); 760 else 761 shift_recty(dst_loc, dst_bounds, shift[1]); 762 763 sync_size(src_loc, dst_loc); 764 765 if (src_loc[2] >= 0 && src_loc[3] >= 0 && 766 dst_loc[2] >= 0 && dst_loc[3] >= 0) { 767 struct pipe_texture *temp_src = src; 768 769 if (src == dst) 770 temp_src = create_sampler_texture(r, src); 771 772 renderer_copy_texture(r, 773 temp_src, 774 src_loc[0], 775 src_loc[1], 776 src_loc[0] + src_loc[2], 777 src_loc[1] + src_loc[3], 778 dst, 779 dst_loc[0], 780 dst_loc[1], 781 dst_loc[0] + dst_loc[2], 782 dst_loc[1] + dst_loc[3]); 783 784 if (src == dst) 785 pipe_texture_reference(&temp_src, NULL); 786 } 787} 788 789void renderer_draw_solid_rect(struct xorg_renderer *r, 790 int x0, int y0, 791 int x1, int y1, 792 float *color) 793{ 794 struct pipe_context *pipe = r->pipe; 795 struct pipe_buffer *buf = 0; 796 797 /* 798 debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n", 799 x0, y0, x1, y1, color[0], color[1], color[2], color[3]);*/ 800 /* 1st vertex */ 801 setup_vertex0(r->vertices2[0], x0, y0, color); 802 /* 2nd vertex */ 803 setup_vertex0(r->vertices2[1], x1, y0, color); 804 /* 3rd vertex */ 805 setup_vertex0(r->vertices2[2], x1, y1, color); 806 /* 4th vertex */ 807 setup_vertex0(r->vertices2[3], x0, y1, color); 808 809 buf = pipe_user_buffer_create(pipe->screen, 810 r->vertices2, 811 sizeof(r->vertices2)); 812 813 814 if (buf) { 815 util_draw_vertex_buffer(pipe, buf, 0, 816 PIPE_PRIM_TRIANGLE_FAN, 817 4, /* verts */ 818 2); /* attribs/vert */ 819 820 pipe_buffer_reference(&buf, NULL); 821 } 822} 823 824void renderer_draw_textures(struct xorg_renderer *r, 825 int *pos, 826 int width, int height, 827 struct pipe_texture **textures, 828 int num_textures, 829 float *src_matrix, float *mask_matrix) 830{ 831 struct pipe_context *pipe = r->pipe; 832 struct pipe_buffer *buf = 0; 833 834#if 0 835 if (src_matrix) { 836 debug_printf("src_matrix = \n"); 837 debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]); 838 debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]); 839 debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]); 840 } 841 if (mask_matrix) { 842 debug_printf("mask_matrix = \n"); 843 debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]); 844 debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]); 845 debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]); 846 } 847#endif 848 849 switch(num_textures) { 850 case 1: 851 buf = setup_vertex_data1(r, 852 pos[0], pos[1], /* src */ 853 pos[4], pos[5], /* dst */ 854 width, height, 855 textures[0], src_matrix); 856 break; 857 case 2: 858 buf = setup_vertex_data2(r, 859 pos[0], pos[1], /* src */ 860 pos[2], pos[3], /* mask */ 861 pos[4], pos[5], /* dst */ 862 width, height, 863 textures[0], textures[1], 864 src_matrix, mask_matrix); 865 break; 866 case 3: 867 buf = setup_vertex_data_yuv(r, 868 pos[0], pos[1], 869 pos[2], pos[3], 870 width, height, 871 textures); 872 break; 873 default: 874 debug_assert(!"Unsupported number of textures"); 875 break; 876 } 877 878 if (buf) { 879 int num_attribs = 1; /*pos*/ 880 num_attribs += num_textures; 881 882 util_draw_vertex_buffer(pipe, buf, 0, 883 PIPE_PRIM_TRIANGLE_FAN, 884 4, /* verts */ 885 num_attribs); /* attribs/vert */ 886 887 pipe_buffer_reference(&buf, NULL); 888 } 889} 890