xa_renderer.c revision dc4c821f0817a3db716f965692fb701079f66340
1/********************************************************** 2 * Copyright 2009-2011 VMware, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person 5 * obtaining a copy of this software and associated documentation 6 * files (the "Software"), to deal in the Software without 7 * restriction, including without limitation the rights to use, copy, 8 * modify, merge, publish, distribute, sublicense, and/or sell copies 9 * of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be 13 * included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 * 24 ********************************************************* 25 * Authors: 26 * Zack Rusin <zackr-at-vmware-dot-com> 27 */ 28 29#include "xa_context.h" 30#include "xa_priv.h" 31#include <math.h> 32#include "cso_cache/cso_context.h" 33#include "util/u_inlines.h" 34#include "util/u_sampler.h" 35#include "util/u_draw_quad.h" 36 37#define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y))) 38#define floatIsZero(x) (floatsEqual((x) + 1, 1)) 39 40#define NUM_COMPONENTS 4 41 42void 43 44 45renderer_set_constants(struct xa_context *r, 46 int shader_type, const float *params, int param_bytes); 47 48static INLINE boolean 49is_affine(float *matrix) 50{ 51 return floatIsZero(matrix[2]) && floatIsZero(matrix[5]) 52 && floatsEqual(matrix[8], 1); 53} 54 55static INLINE void 56map_point(float *mat, float x, float y, float *out_x, float *out_y) 57{ 58 if (!mat) { 59 *out_x = x; 60 *out_y = y; 61 return; 62 } 63 64 *out_x = mat[0] * x + mat[3] * y + mat[6]; 65 *out_y = mat[1] * x + mat[4] * y + mat[7]; 66 if (!is_affine(mat)) { 67 float w = 1 / (mat[2] * x + mat[5] * y + mat[8]); 68 69 *out_x *= w; 70 *out_y *= w; 71 } 72} 73 74static INLINE struct pipe_resource * 75renderer_buffer_create(struct xa_context *r) 76{ 77 struct pipe_resource *buf = pipe_user_buffer_create(r->pipe->screen, 78 r->buffer, 79 sizeof(float) * 80 r->buffer_size, 81 PIPE_BIND_VERTEX_BUFFER); 82 83 r->buffer_size = 0; 84 85 return buf; 86} 87 88static INLINE void 89renderer_draw(struct xa_context *r) 90{ 91 struct pipe_context *pipe = r->pipe; 92 struct pipe_resource *buf = 0; 93 int num_verts = r->buffer_size / (r->attrs_per_vertex * NUM_COMPONENTS); 94 95 if (!r->buffer_size) 96 return; 97 98 buf = renderer_buffer_create(r); 99 100 if (buf) { 101 cso_set_vertex_elements(r->cso, r->attrs_per_vertex, r->velems); 102 103 util_draw_vertex_buffer(pipe, r->cso, buf, 0, PIPE_PRIM_QUADS, num_verts, /* verts */ 104 r->attrs_per_vertex); /* attribs/vert */ 105 106 pipe_resource_reference(&buf, NULL); 107 } 108} 109 110static INLINE void 111renderer_draw_conditional(struct xa_context *r, int next_batch) 112{ 113 if (r->buffer_size + next_batch >= XA_VB_SIZE || 114 (next_batch == 0 && r->buffer_size)) { 115 renderer_draw(r); 116 } 117} 118 119void 120renderer_init_state(struct xa_context *r) 121{ 122 struct pipe_depth_stencil_alpha_state dsa; 123 struct pipe_rasterizer_state raster; 124 unsigned i; 125 126 /* set common initial clip state */ 127 memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state)); 128 cso_set_depth_stencil_alpha(r->cso, &dsa); 129 130 /* XXX: move to renderer_init_state? */ 131 memset(&raster, 0, sizeof(struct pipe_rasterizer_state)); 132 raster.gl_rasterization_rules = 1; 133 raster.depth_clip = 1; 134 cso_set_rasterizer(r->cso, &raster); 135 136 /* vertex elements state */ 137 memset(&r->velems[0], 0, sizeof(r->velems[0]) * 3); 138 for (i = 0; i < 3; i++) { 139 r->velems[i].src_offset = i * 4 * sizeof(float); 140 r->velems[i].instance_divisor = 0; 141 r->velems[i].vertex_buffer_index = 0; 142 r->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 143 } 144} 145 146static INLINE void 147add_vertex_color(struct xa_context *r, float x, float y, float color[4]) 148{ 149 float *vertex = r->buffer + r->buffer_size; 150 151 vertex[0] = x; 152 vertex[1] = y; 153 vertex[2] = 0.f; /*z */ 154 vertex[3] = 1.f; /*w */ 155 156 vertex[4] = color[0]; /*r */ 157 vertex[5] = color[1]; /*g */ 158 vertex[6] = color[2]; /*b */ 159 vertex[7] = color[3]; /*a */ 160 161 r->buffer_size += 8; 162} 163 164static INLINE void 165add_vertex_1tex(struct xa_context *r, float x, float y, float s, float t) 166{ 167 float *vertex = r->buffer + r->buffer_size; 168 169 vertex[0] = x; 170 vertex[1] = y; 171 vertex[2] = 0.f; /*z */ 172 vertex[3] = 1.f; /*w */ 173 174 vertex[4] = s; /*s */ 175 vertex[5] = t; /*t */ 176 vertex[6] = 0.f; /*r */ 177 vertex[7] = 1.f; /*q */ 178 179 r->buffer_size += 8; 180} 181 182static INLINE void 183add_vertex_2tex(struct xa_context *r, 184 float x, float y, float s0, float t0, float s1, float t1) 185{ 186 float *vertex = r->buffer + r->buffer_size; 187 188 vertex[0] = x; 189 vertex[1] = y; 190 vertex[2] = 0.f; /*z */ 191 vertex[3] = 1.f; /*w */ 192 193 vertex[4] = s0; /*s */ 194 vertex[5] = t0; /*t */ 195 vertex[6] = 0.f; /*r */ 196 vertex[7] = 1.f; /*q */ 197 198 vertex[8] = s1; /*s */ 199 vertex[9] = t1; /*t */ 200 vertex[10] = 0.f; /*r */ 201 vertex[11] = 1.f; /*q */ 202 203 r->buffer_size += 12; 204} 205 206static void 207add_vertex_data1(struct xa_context *r, 208 float srcX, float srcY, float dstX, float dstY, 209 float width, float height, 210 struct pipe_resource *src, const float *src_matrix) 211{ 212 float s0, t0, s1, t1, s2, t2, s3, t3; 213 float pt0[2], pt1[2], pt2[2], pt3[2]; 214 215 pt0[0] = srcX; 216 pt0[1] = srcY; 217 pt1[0] = (srcX + width); 218 pt1[1] = srcY; 219 pt2[0] = (srcX + width); 220 pt2[1] = (srcY + height); 221 pt3[0] = srcX; 222 pt3[1] = (srcY + height); 223 224 if (src_matrix) { 225 map_point((float *)src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]); 226 map_point((float *)src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]); 227 map_point((float *)src_matrix, pt2[0], pt2[1], &pt2[0], &pt2[1]); 228 map_point((float *)src_matrix, pt3[0], pt3[1], &pt3[0], &pt3[1]); 229 } 230 231 s0 = pt0[0] / src->width0; 232 s1 = pt1[0] / src->width0; 233 s2 = pt2[0] / src->width0; 234 s3 = pt3[0] / src->width0; 235 t0 = pt0[1] / src->height0; 236 t1 = pt1[1] / src->height0; 237 t2 = pt2[1] / src->height0; 238 t3 = pt3[1] / src->height0; 239 240 /* 1st vertex */ 241 add_vertex_1tex(r, dstX, dstY, s0, t0); 242 /* 2nd vertex */ 243 add_vertex_1tex(r, dstX + width, dstY, s1, t1); 244 /* 3rd vertex */ 245 add_vertex_1tex(r, dstX + width, dstY + height, s2, t2); 246 /* 4th vertex */ 247 add_vertex_1tex(r, dstX, dstY + height, s3, t3); 248} 249 250static void 251add_vertex_data2(struct xa_context *r, 252 float srcX, float srcY, float maskX, float maskY, 253 float dstX, float dstY, float width, float height, 254 struct pipe_resource *src, 255 struct pipe_resource *mask, 256 const float *src_matrix, const float *mask_matrix) 257{ 258 float src_s0, src_t0, src_s1, src_t1; 259 float mask_s0, mask_t0, mask_s1, mask_t1; 260 float spt0[2], spt1[2]; 261 float mpt0[2], mpt1[2]; 262 263 spt0[0] = srcX; 264 spt0[1] = srcY; 265 spt1[0] = srcX + width; 266 spt1[1] = srcY + height; 267 268 mpt0[0] = maskX; 269 mpt0[1] = maskY; 270 mpt1[0] = maskX + width; 271 mpt1[1] = maskY + height; 272 273 if (src_matrix) { 274 map_point((float *)src_matrix, spt0[0], spt0[1], &spt0[0], &spt0[1]); 275 map_point((float *)src_matrix, spt1[0], spt1[1], &spt1[0], &spt1[1]); 276 } 277 278 if (mask_matrix) { 279 map_point((float *)mask_matrix, mpt0[0], mpt0[1], &mpt0[0], &mpt0[1]); 280 map_point((float *)mask_matrix, mpt1[0], mpt1[1], &mpt1[0], &mpt1[1]); 281 } 282 283 src_s0 = spt0[0] / src->width0; 284 src_t0 = spt0[1] / src->height0; 285 src_s1 = spt1[0] / src->width0; 286 src_t1 = spt1[1] / src->height0; 287 288 mask_s0 = mpt0[0] / mask->width0; 289 mask_t0 = mpt0[1] / mask->height0; 290 mask_s1 = mpt1[0] / mask->width0; 291 mask_t1 = mpt1[1] / mask->height0; 292 293 /* 1st vertex */ 294 add_vertex_2tex(r, dstX, dstY, 295 src_s0, src_t0, mask_s0, mask_t0); 296 /* 2nd vertex */ 297 add_vertex_2tex(r, dstX + width, dstY, 298 src_s1, src_t0, mask_s1, mask_t0); 299 /* 3rd vertex */ 300 add_vertex_2tex(r, dstX + width, dstY + height, 301 src_s1, src_t1, mask_s1, mask_t1); 302 /* 4th vertex */ 303 add_vertex_2tex(r, dstX, dstY + height, 304 src_s0, src_t1, mask_s0, mask_t1); 305} 306 307static struct pipe_resource * 308setup_vertex_data_yuv(struct xa_context *r, 309 float srcX, 310 float srcY, 311 float srcW, 312 float srcH, 313 float dstX, 314 float dstY, 315 float dstW, float dstH, struct xa_surface *srf[]) 316{ 317 float s0, t0, s1, t1; 318 float spt0[2], spt1[2]; 319 struct pipe_resource *tex; 320 321 spt0[0] = srcX; 322 spt0[1] = srcY; 323 spt1[0] = srcX + srcW; 324 spt1[1] = srcY + srcH; 325 326 tex = srf[0]->tex; 327 s0 = spt0[0] / tex->width0; 328 t0 = spt0[1] / tex->height0; 329 s1 = spt1[0] / tex->width0; 330 t1 = spt1[1] / tex->height0; 331 332 /* 1st vertex */ 333 add_vertex_1tex(r, dstX, dstY, s0, t0); 334 /* 2nd vertex */ 335 add_vertex_1tex(r, dstX + dstW, dstY, s1, t0); 336 /* 3rd vertex */ 337 add_vertex_1tex(r, dstX + dstW, dstY + dstH, s1, t1); 338 /* 4th vertex */ 339 add_vertex_1tex(r, dstX, dstY + dstH, s0, t1); 340 341 return renderer_buffer_create(r); 342} 343 344/* Set up framebuffer, viewport and vertex shader constant buffer 345 * state for a particular destinaton surface. In all our rendering, 346 * these concepts are linked. 347 */ 348void 349renderer_bind_destination(struct xa_context *r, 350 struct pipe_surface *surface, int width, int height) 351{ 352 353 struct pipe_framebuffer_state fb; 354 struct pipe_viewport_state viewport; 355 356 /* Framebuffer uses actual surface width/height 357 */ 358 memset(&fb, 0, sizeof fb); 359 fb.width = surface->width; 360 fb.height = surface->height; 361 fb.nr_cbufs = 1; 362 fb.cbufs[0] = surface; 363 fb.zsbuf = 0; 364 365 /* Viewport just touches the bit we're interested in: 366 */ 367 viewport.scale[0] = width / 2.f; 368 viewport.scale[1] = height / 2.f; 369 viewport.scale[2] = 1.0; 370 viewport.scale[3] = 1.0; 371 viewport.translate[0] = width / 2.f; 372 viewport.translate[1] = height / 2.f; 373 viewport.translate[2] = 0.0; 374 viewport.translate[3] = 0.0; 375 376 /* Constant buffer set up to match viewport dimensions: 377 */ 378 if (r->fb_width != width || r->fb_height != height) { 379 float vs_consts[8] = { 380 2.f / width, 2.f / height, 1, 1, 381 -1, -1, 0, 0 382 }; 383 384 r->fb_width = width; 385 r->fb_height = height; 386 387 renderer_set_constants(r, PIPE_SHADER_VERTEX, 388 vs_consts, sizeof vs_consts); 389 } 390 391 cso_set_framebuffer(r->cso, &fb); 392 cso_set_viewport(r->cso, &viewport); 393} 394 395void 396renderer_set_constants(struct xa_context *r, 397 int shader_type, const float *params, int param_bytes) 398{ 399 struct pipe_resource **cbuf = 400 (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer : 401 &r->fs_const_buffer; 402 403 pipe_resource_reference(cbuf, NULL); 404 *cbuf = pipe_buffer_create(r->pipe->screen, 405 PIPE_BIND_CONSTANT_BUFFER, PIPE_USAGE_STATIC, 406 param_bytes); 407 408 if (*cbuf) { 409 pipe_buffer_write(r->pipe, *cbuf, 0, param_bytes, params); 410 } 411 r->pipe->set_constant_buffer(r->pipe, shader_type, 0, *cbuf); 412} 413 414void 415renderer_copy_prepare(struct xa_context *r, 416 struct pipe_surface *dst_surface, 417 struct pipe_resource *src_texture, 418 const enum xa_formats src_xa_format, 419 const enum xa_formats dst_xa_format) 420{ 421 struct pipe_context *pipe = r->pipe; 422 struct pipe_screen *screen = pipe->screen; 423 struct xa_shader shader; 424 uint32_t fs_traits = FS_COMPOSITE; 425 426 assert(screen->is_format_supported(screen, dst_surface->format, 427 PIPE_TEXTURE_2D, 0, 428 PIPE_BIND_RENDER_TARGET)); 429 (void)screen; 430 431 /* set misc state we care about */ 432 { 433 struct pipe_blend_state blend; 434 435 memset(&blend, 0, sizeof(blend)); 436 blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE; 437 blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE; 438 blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; 439 blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; 440 blend.rt[0].colormask = PIPE_MASK_RGBA; 441 cso_set_blend(r->cso, &blend); 442 } 443 444 /* sampler */ 445 { 446 struct pipe_sampler_state sampler; 447 448 memset(&sampler, 0, sizeof(sampler)); 449 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 450 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 451 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 452 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 453 sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; 454 sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; 455 sampler.normalized_coords = 1; 456 cso_single_sampler(r->cso, 0, &sampler); 457 cso_single_sampler_done(r->cso); 458 } 459 460 renderer_bind_destination(r, dst_surface, 461 dst_surface->width, dst_surface->height); 462 463 /* texture/sampler view */ 464 { 465 struct pipe_sampler_view templ; 466 struct pipe_sampler_view *src_view; 467 468 u_sampler_view_default_template(&templ, 469 src_texture, src_texture->format); 470 src_view = pipe->create_sampler_view(pipe, src_texture, &templ); 471 cso_set_fragment_sampler_views(r->cso, 1, &src_view); 472 pipe_sampler_view_reference(&src_view, NULL); 473 } 474 475 /* shaders */ 476 if (src_texture->format == PIPE_FORMAT_L8_UNORM) 477 fs_traits |= FS_SRC_LUMINANCE; 478 if (dst_surface->format == PIPE_FORMAT_L8_UNORM) 479 fs_traits |= FS_DST_LUMINANCE; 480 if (xa_format_a(dst_xa_format) != 0 && 481 xa_format_a(src_xa_format) == 0) 482 fs_traits |= FS_SRC_SET_ALPHA; 483 484 shader = xa_shaders_get(r->shaders, VS_COMPOSITE, fs_traits); 485 cso_set_vertex_shader_handle(r->cso, shader.vs); 486 cso_set_fragment_shader_handle(r->cso, shader.fs); 487 488 r->buffer_size = 0; 489 r->attrs_per_vertex = 2; 490} 491 492void 493renderer_copy(struct xa_context *r, 494 int dx, 495 int dy, 496 int sx, 497 int sy, 498 int width, int height, float src_width, float src_height) 499{ 500 float s0, t0, s1, t1; 501 float x0, y0, x1, y1; 502 503 /* XXX: could put the texcoord scaling calculation into the vertex 504 * shader. 505 */ 506 s0 = sx / src_width; 507 s1 = (sx + width) / src_width; 508 t0 = sy / src_height; 509 t1 = (sy + height) / src_height; 510 511 x0 = dx; 512 x1 = dx + width; 513 y0 = dy; 514 y1 = dy + height; 515 516 /* draw quad */ 517 renderer_draw_conditional(r, 4 * 8); 518 add_vertex_1tex(r, x0, y0, s0, t0); 519 add_vertex_1tex(r, x1, y0, s1, t0); 520 add_vertex_1tex(r, x1, y1, s1, t1); 521 add_vertex_1tex(r, x0, y1, s0, t1); 522} 523 524void 525renderer_draw_yuv(struct xa_context *r, 526 float src_x, 527 float src_y, 528 float src_w, 529 float src_h, 530 int dst_x, 531 int dst_y, int dst_w, int dst_h, struct xa_surface *srf[]) 532{ 533 struct pipe_context *pipe = r->pipe; 534 struct pipe_resource *buf = 0; 535 536 buf = setup_vertex_data_yuv(r, 537 src_x, src_y, src_w, src_h, dst_x, dst_y, dst_w, 538 dst_h, srf); 539 540 if (buf) { 541 const int num_attribs = 2; /*pos + tex coord */ 542 543 cso_set_vertex_elements(r->cso, num_attribs, r->velems); 544 545 util_draw_vertex_buffer(pipe, r->cso, buf, 0, PIPE_PRIM_QUADS, 4, /* verts */ 546 num_attribs); /* attribs/vert */ 547 548 pipe_resource_reference(&buf, NULL); 549 } 550} 551 552void 553renderer_begin_solid(struct xa_context *r) 554{ 555 r->buffer_size = 0; 556 r->attrs_per_vertex = 2; 557} 558 559void 560renderer_solid(struct xa_context *r, 561 int x0, int y0, int x1, int y1, float *color) 562{ 563 /* 564 * debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n", 565 * x0, y0, x1, y1, color[0], color[1], color[2], color[3]); */ 566 567 renderer_draw_conditional(r, 4 * 8); 568 569 /* 1st vertex */ 570 add_vertex_color(r, x0, y0, color); 571 /* 2nd vertex */ 572 add_vertex_color(r, x1, y0, color); 573 /* 3rd vertex */ 574 add_vertex_color(r, x1, y1, color); 575 /* 4th vertex */ 576 add_vertex_color(r, x0, y1, color); 577} 578 579void 580renderer_draw_flush(struct xa_context *r) 581{ 582 renderer_draw_conditional(r, 0); 583} 584 585void 586renderer_begin_textures(struct xa_context *r) 587{ 588 r->attrs_per_vertex = 1 + r->num_bound_samplers; 589 r->buffer_size = 0; 590} 591 592void 593renderer_texture(struct xa_context *r, 594 int *pos, 595 int width, int height, 596 const float *src_matrix, 597 const float *mask_matrix) 598{ 599 struct pipe_sampler_view **sampler_view = r->bound_sampler_views; 600 601#if 0 602 if (src_matrix) { 603 debug_printf("src_matrix = \n"); 604 debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]); 605 debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]); 606 debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]); 607 } 608 if (mask_matrix) { 609 debug_printf("mask_matrix = \n"); 610 debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]); 611 debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]); 612 debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]); 613 } 614#endif 615 616 switch(r->attrs_per_vertex) { 617 case 2: 618 renderer_draw_conditional(r, 4 * 8); 619 add_vertex_data1(r, 620 pos[0], pos[1], /* src */ 621 pos[4], pos[5], /* dst */ 622 width, height, 623 sampler_view[0]->texture, src_matrix); 624 break; 625 case 3: 626 renderer_draw_conditional(r, 4 * 12); 627 add_vertex_data2(r, 628 pos[0], pos[1], /* src */ 629 pos[2], pos[3], /* mask */ 630 pos[4], pos[5], /* dst */ 631 width, height, 632 sampler_view[0]->texture, sampler_view[1]->texture, 633 src_matrix, mask_matrix); 634 break; 635 default: 636 break; 637 } 638} 639