u_blitter.c revision 37b62cc35435a704d33c1814fbdbd0e807699e21
1/************************************************************************** 2 * 3 * Copyright 2009 Marek Olšák <maraeo@gmail.com> 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial portions 15 * of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 **************************************************************************/ 26 27/** 28 * @file 29 * Blitter utility to facilitate acceleration of the clear, clear_render_target, 30 * clear_depth_stencil, and resource_copy_region functions. 31 * 32 * @author Marek Olšák 33 */ 34 35#include "pipe/p_context.h" 36#include "pipe/p_defines.h" 37#include "util/u_inlines.h" 38#include "pipe/p_shader_tokens.h" 39#include "pipe/p_state.h" 40 41#include "util/u_format.h" 42#include "util/u_memory.h" 43#include "util/u_math.h" 44#include "util/u_blitter.h" 45#include "util/u_draw_quad.h" 46#include "util/u_sampler.h" 47#include "util/u_simple_shaders.h" 48#include "util/u_surface.h" 49#include "util/u_texture.h" 50 51#define INVALID_PTR ((void*)~0) 52 53struct blitter_context_priv 54{ 55 struct blitter_context base; 56 57 struct pipe_resource *vbuf; /**< quad */ 58 59 float vertices[4][2][4]; /**< {pos, color} or {pos, texcoord} */ 60 61 /* Templates for various state objects. */ 62 63 /* Constant state objects. */ 64 /* Vertex shaders. */ 65 void *vs; /**< Vertex shader which passes {pos, generic} to the output.*/ 66 67 /* Fragment shaders. */ 68 /* The shader at index i outputs color to color buffers 0,1,...,i-1. */ 69 void *fs_col[PIPE_MAX_COLOR_BUFS+1]; 70 void *fs_col_int[PIPE_MAX_COLOR_BUFS+1]; 71 72 /* FS which outputs a color from a texture, 73 where the index is PIPE_TEXTURE_* to be sampled. */ 74 void *fs_texfetch_col[PIPE_MAX_TEXTURE_TYPES]; 75 76 /* FS which outputs a depth from a texture, 77 where the index is PIPE_TEXTURE_* to be sampled. */ 78 void *fs_texfetch_depth[PIPE_MAX_TEXTURE_TYPES]; 79 80 /* Blend state. */ 81 void *blend_write_color; /**< blend state with writemask of RGBA */ 82 void *blend_keep_color; /**< blend state with writemask of 0 */ 83 84 /* Depth stencil alpha state. */ 85 void *dsa_write_depth_stencil; 86 void *dsa_write_depth_keep_stencil; 87 void *dsa_keep_depth_stencil; 88 void *dsa_keep_depth_write_stencil; 89 90 void *velem_state; 91 void *velem_uint_state; 92 void *velem_sint_state; 93 94 /* Sampler state. */ 95 void *sampler_state; 96 97 /* Rasterizer state. */ 98 void *rs_state; 99 100 /* Viewport state. */ 101 struct pipe_viewport_state viewport; 102 103 /* Clip state. */ 104 struct pipe_clip_state clip; 105 106 /* Destination surface dimensions. */ 107 unsigned dst_width; 108 unsigned dst_height; 109 110 boolean has_geometry_shader; 111 boolean vertex_has_integers; 112}; 113 114static void blitter_draw_rectangle(struct blitter_context *blitter, 115 unsigned x, unsigned y, 116 unsigned width, unsigned height, 117 float depth, 118 enum blitter_attrib_type type, 119 const union pipe_color_union *attrib); 120 121 122struct blitter_context *util_blitter_create(struct pipe_context *pipe) 123{ 124 struct blitter_context_priv *ctx; 125 struct pipe_blend_state blend; 126 struct pipe_depth_stencil_alpha_state dsa; 127 struct pipe_rasterizer_state rs_state; 128 struct pipe_sampler_state sampler_state; 129 struct pipe_vertex_element velem[2]; 130 unsigned i; 131 132 ctx = CALLOC_STRUCT(blitter_context_priv); 133 if (!ctx) 134 return NULL; 135 136 ctx->base.pipe = pipe; 137 ctx->base.draw_rectangle = blitter_draw_rectangle; 138 139 /* init state objects for them to be considered invalid */ 140 ctx->base.saved_blend_state = INVALID_PTR; 141 ctx->base.saved_dsa_state = INVALID_PTR; 142 ctx->base.saved_rs_state = INVALID_PTR; 143 ctx->base.saved_fs = INVALID_PTR; 144 ctx->base.saved_vs = INVALID_PTR; 145 ctx->base.saved_gs = INVALID_PTR; 146 ctx->base.saved_velem_state = INVALID_PTR; 147 ctx->base.saved_fb_state.nr_cbufs = ~0; 148 ctx->base.saved_num_sampler_views = ~0; 149 ctx->base.saved_num_sampler_states = ~0; 150 ctx->base.saved_num_vertex_buffers = ~0; 151 152 ctx->has_geometry_shader = 153 pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY, 154 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0; 155 ctx->vertex_has_integers = 156 pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_VERTEX, 157 PIPE_SHADER_CAP_INTEGERS); 158 159 /* blend state objects */ 160 memset(&blend, 0, sizeof(blend)); 161 ctx->blend_keep_color = pipe->create_blend_state(pipe, &blend); 162 163 blend.rt[0].colormask = PIPE_MASK_RGBA; 164 ctx->blend_write_color = pipe->create_blend_state(pipe, &blend); 165 166 /* depth stencil alpha state objects */ 167 memset(&dsa, 0, sizeof(dsa)); 168 ctx->dsa_keep_depth_stencil = 169 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 170 171 dsa.depth.enabled = 1; 172 dsa.depth.writemask = 1; 173 dsa.depth.func = PIPE_FUNC_ALWAYS; 174 ctx->dsa_write_depth_keep_stencil = 175 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 176 177 dsa.stencil[0].enabled = 1; 178 dsa.stencil[0].func = PIPE_FUNC_ALWAYS; 179 dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; 180 dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; 181 dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; 182 dsa.stencil[0].valuemask = 0xff; 183 dsa.stencil[0].writemask = 0xff; 184 ctx->dsa_write_depth_stencil = 185 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 186 187 188 dsa.depth.enabled = 0; 189 dsa.depth.writemask = 0; 190 ctx->dsa_keep_depth_write_stencil = 191 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 192 193 /* sampler state */ 194 memset(&sampler_state, 0, sizeof(sampler_state)); 195 sampler_state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 196 sampler_state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 197 sampler_state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 198 sampler_state.normalized_coords = 1; 199 ctx->sampler_state = pipe->create_sampler_state(pipe, &sampler_state); 200 201 /* rasterizer state */ 202 memset(&rs_state, 0, sizeof(rs_state)); 203 rs_state.cull_face = PIPE_FACE_NONE; 204 rs_state.gl_rasterization_rules = 1; 205 rs_state.flatshade = 1; 206 ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); 207 208 /* vertex elements state */ 209 memset(&velem[0], 0, sizeof(velem[0]) * 2); 210 for (i = 0; i < 2; i++) { 211 velem[i].src_offset = i * 4 * sizeof(float); 212 velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 213 } 214 ctx->velem_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); 215 216 if (ctx->vertex_has_integers) { 217 memset(&velem[0], 0, sizeof(velem[0]) * 2); 218 velem[0].src_offset = 0; 219 velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 220 velem[1].src_offset = 4 * sizeof(float); 221 velem[1].src_format = PIPE_FORMAT_R32G32B32A32_SINT; 222 ctx->velem_sint_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); 223 224 memset(&velem[0], 0, sizeof(velem[0]) * 2); 225 velem[0].src_offset = 0; 226 velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 227 velem[1].src_offset = 4 * sizeof(float); 228 velem[1].src_format = PIPE_FORMAT_R32G32B32A32_UINT; 229 ctx->velem_uint_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); 230 } 231 232 /* fragment shaders are created on-demand */ 233 234 /* vertex shader */ 235 { 236 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, 237 TGSI_SEMANTIC_GENERIC }; 238 const uint semantic_indices[] = { 0, 0 }; 239 ctx->vs = 240 util_make_vertex_passthrough_shader(pipe, 2, semantic_names, 241 semantic_indices); 242 } 243 244 /* set invariant vertex coordinates */ 245 for (i = 0; i < 4; i++) 246 ctx->vertices[i][0][3] = 1; /*v.w*/ 247 248 /* create the vertex buffer */ 249 ctx->vbuf = pipe_user_buffer_create(ctx->base.pipe->screen, 250 ctx->vertices, 251 sizeof(ctx->vertices), 252 PIPE_BIND_VERTEX_BUFFER); 253 254 return &ctx->base; 255} 256 257void util_blitter_destroy(struct blitter_context *blitter) 258{ 259 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 260 struct pipe_context *pipe = blitter->pipe; 261 int i; 262 263 pipe->delete_blend_state(pipe, ctx->blend_write_color); 264 pipe->delete_blend_state(pipe, ctx->blend_keep_color); 265 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 266 pipe->delete_depth_stencil_alpha_state(pipe, 267 ctx->dsa_write_depth_keep_stencil); 268 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 269 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 270 271 pipe->delete_rasterizer_state(pipe, ctx->rs_state); 272 pipe->delete_vs_state(pipe, ctx->vs); 273 pipe->delete_vertex_elements_state(pipe, ctx->velem_state); 274 if (ctx->vertex_has_integers) { 275 pipe->delete_vertex_elements_state(pipe, ctx->velem_sint_state); 276 pipe->delete_vertex_elements_state(pipe, ctx->velem_uint_state); 277 } 278 279 for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) { 280 if (ctx->fs_texfetch_col[i]) 281 pipe->delete_fs_state(pipe, ctx->fs_texfetch_col[i]); 282 if (ctx->fs_texfetch_depth[i]) 283 pipe->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]); 284 } 285 286 for (i = 0; i <= PIPE_MAX_COLOR_BUFS; i++) { 287 if (ctx->fs_col[i]) 288 pipe->delete_fs_state(pipe, ctx->fs_col[i]); 289 if (ctx->fs_col_int[i]) 290 pipe->delete_fs_state(pipe, ctx->fs_col_int[i]); 291 } 292 293 pipe->delete_sampler_state(pipe, ctx->sampler_state); 294 pipe_resource_reference(&ctx->vbuf, NULL); 295 FREE(ctx); 296} 297 298static void blitter_set_running_flag(struct blitter_context_priv *ctx) 299{ 300 if (ctx->base.running) { 301 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", 302 __LINE__); 303 } 304 ctx->base.running = TRUE; 305} 306 307static void blitter_unset_running_flag(struct blitter_context_priv *ctx) 308{ 309 if (!ctx->base.running) { 310 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", 311 __LINE__); 312 } 313 ctx->base.running = FALSE; 314} 315 316static void blitter_check_saved_vertex_states(struct blitter_context_priv *ctx) 317{ 318 assert(ctx->base.saved_num_vertex_buffers != ~0 && 319 ctx->base.saved_velem_state != INVALID_PTR && 320 ctx->base.saved_vs != INVALID_PTR && 321 (!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR) && 322 ctx->base.saved_rs_state != INVALID_PTR); 323} 324 325static void blitter_restore_vertex_states(struct blitter_context_priv *ctx) 326{ 327 struct pipe_context *pipe = ctx->base.pipe; 328 unsigned i; 329 330 /* Vertex buffers. */ 331 pipe->set_vertex_buffers(pipe, 332 ctx->base.saved_num_vertex_buffers, 333 ctx->base.saved_vertex_buffers); 334 335 for (i = 0; i < ctx->base.saved_num_vertex_buffers; i++) { 336 if (ctx->base.saved_vertex_buffers[i].buffer) { 337 pipe_resource_reference(&ctx->base.saved_vertex_buffers[i].buffer, 338 NULL); 339 } 340 } 341 ctx->base.saved_num_vertex_buffers = ~0; 342 343 /* Vertex elements. */ 344 pipe->bind_vertex_elements_state(pipe, ctx->base.saved_velem_state); 345 ctx->base.saved_velem_state = INVALID_PTR; 346 347 /* Vertex shader. */ 348 pipe->bind_vs_state(pipe, ctx->base.saved_vs); 349 ctx->base.saved_vs = INVALID_PTR; 350 351 /* Geometry shader. */ 352 if (ctx->has_geometry_shader) { 353 pipe->bind_gs_state(pipe, ctx->base.saved_gs); 354 ctx->base.saved_gs = INVALID_PTR; 355 } 356 357 /* Rasterizer. */ 358 pipe->bind_rasterizer_state(pipe, ctx->base.saved_rs_state); 359 ctx->base.saved_rs_state = INVALID_PTR; 360} 361 362static void blitter_check_saved_fragment_states(struct blitter_context_priv *ctx) 363{ 364 assert(ctx->base.saved_fs != INVALID_PTR && 365 ctx->base.saved_dsa_state != INVALID_PTR && 366 ctx->base.saved_blend_state != INVALID_PTR); 367} 368 369static void blitter_restore_fragment_states(struct blitter_context_priv *ctx) 370{ 371 struct pipe_context *pipe = ctx->base.pipe; 372 373 /* Fragment shader. */ 374 pipe->bind_fs_state(pipe, ctx->base.saved_fs); 375 ctx->base.saved_fs = INVALID_PTR; 376 377 /* Depth, stencil, alpha. */ 378 pipe->bind_depth_stencil_alpha_state(pipe, ctx->base.saved_dsa_state); 379 ctx->base.saved_dsa_state = INVALID_PTR; 380 381 /* Blend state. */ 382 pipe->bind_blend_state(pipe, ctx->base.saved_blend_state); 383 ctx->base.saved_blend_state = INVALID_PTR; 384 385 /* Miscellaneous states. */ 386 /* XXX check whether these are saved and whether they need to be restored 387 * (depending on the operation) */ 388 pipe->set_stencil_ref(pipe, &ctx->base.saved_stencil_ref); 389 pipe->set_viewport_state(pipe, &ctx->base.saved_viewport); 390 pipe->set_clip_state(pipe, &ctx->base.saved_clip); 391} 392 393static void blitter_check_saved_fb_state(struct blitter_context_priv *ctx) 394{ 395 assert(ctx->base.saved_fb_state.nr_cbufs != ~0); 396} 397 398static void blitter_restore_fb_state(struct blitter_context_priv *ctx) 399{ 400 struct pipe_context *pipe = ctx->base.pipe; 401 402 pipe->set_framebuffer_state(pipe, &ctx->base.saved_fb_state); 403 util_unreference_framebuffer_state(&ctx->base.saved_fb_state); 404} 405 406static void blitter_check_saved_textures(struct blitter_context_priv *ctx) 407{ 408 assert(ctx->base.saved_num_sampler_states != ~0 && 409 ctx->base.saved_num_sampler_views != ~0); 410} 411 412static void blitter_restore_textures(struct blitter_context_priv *ctx) 413{ 414 struct pipe_context *pipe = ctx->base.pipe; 415 unsigned i; 416 417 /* Fragment sampler states. */ 418 pipe->bind_fragment_sampler_states(pipe, 419 ctx->base.saved_num_sampler_states, 420 ctx->base.saved_sampler_states); 421 ctx->base.saved_num_sampler_states = ~0; 422 423 /* Fragment sampler views. */ 424 pipe->set_fragment_sampler_views(pipe, 425 ctx->base.saved_num_sampler_views, 426 ctx->base.saved_sampler_views); 427 428 for (i = 0; i < ctx->base.saved_num_sampler_views; i++) 429 pipe_sampler_view_reference(&ctx->base.saved_sampler_views[i], NULL); 430 431 ctx->base.saved_num_sampler_views = ~0; 432} 433 434static void blitter_set_rectangle(struct blitter_context_priv *ctx, 435 unsigned x1, unsigned y1, 436 unsigned x2, unsigned y2, 437 float depth) 438{ 439 int i; 440 441 /* set vertex positions */ 442 ctx->vertices[0][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v0.x*/ 443 ctx->vertices[0][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v0.y*/ 444 445 ctx->vertices[1][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v1.x*/ 446 ctx->vertices[1][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v1.y*/ 447 448 ctx->vertices[2][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v2.x*/ 449 ctx->vertices[2][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v2.y*/ 450 451 ctx->vertices[3][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v3.x*/ 452 ctx->vertices[3][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v3.y*/ 453 454 for (i = 0; i < 4; i++) 455 ctx->vertices[i][0][2] = depth; /*z*/ 456 457 /* viewport */ 458 ctx->viewport.scale[0] = 0.5f * ctx->dst_width; 459 ctx->viewport.scale[1] = 0.5f * ctx->dst_height; 460 ctx->viewport.scale[2] = 1.0f; 461 ctx->viewport.scale[3] = 1.0f; 462 ctx->viewport.translate[0] = 0.5f * ctx->dst_width; 463 ctx->viewport.translate[1] = 0.5f * ctx->dst_height; 464 ctx->viewport.translate[2] = 0.0f; 465 ctx->viewport.translate[3] = 0.0f; 466 ctx->base.pipe->set_viewport_state(ctx->base.pipe, &ctx->viewport); 467 468 /* clip */ 469 ctx->base.pipe->set_clip_state(ctx->base.pipe, &ctx->clip); 470} 471 472static void blitter_set_clear_color(struct blitter_context_priv *ctx, 473 const union pipe_color_union *color) 474{ 475 int i; 476 477 if (color) { 478 for (i = 0; i < 4; i++) { 479 uint32_t *uiverts = (uint32_t *)ctx->vertices[i][1]; 480 uiverts[0] = color->ui[0]; 481 uiverts[1] = color->ui[1]; 482 uiverts[2] = color->ui[2]; 483 uiverts[3] = color->ui[3]; 484 } 485 } else { 486 for (i = 0; i < 4; i++) { 487 ctx->vertices[i][1][0] = 0; 488 ctx->vertices[i][1][1] = 0; 489 ctx->vertices[i][1][2] = 0; 490 ctx->vertices[i][1][3] = 0; 491 } 492 } 493} 494 495static void get_texcoords(struct pipe_sampler_view *src, 496 unsigned x1, unsigned y1, 497 unsigned x2, unsigned y2, 498 float out[4]) 499{ 500 struct pipe_resource *tex = src->texture; 501 unsigned level = src->u.tex.first_level; 502 boolean normalized = tex->target != PIPE_TEXTURE_RECT; 503 504 if (normalized) { 505 out[0] = x1 / (float)u_minify(tex->width0, level); 506 out[1] = y1 / (float)u_minify(tex->height0, level); 507 out[2] = x2 / (float)u_minify(tex->width0, level); 508 out[3] = y2 / (float)u_minify(tex->height0, level); 509 } else { 510 out[0] = x1; 511 out[1] = y1; 512 out[2] = x2; 513 out[3] = y2; 514 } 515} 516 517static void set_texcoords_in_vertices(const float coord[4], 518 float *out, unsigned stride) 519{ 520 out[0] = coord[0]; /*t0.s*/ 521 out[1] = coord[1]; /*t0.t*/ 522 out += stride; 523 out[0] = coord[2]; /*t1.s*/ 524 out[1] = coord[1]; /*t1.t*/ 525 out += stride; 526 out[0] = coord[2]; /*t2.s*/ 527 out[1] = coord[3]; /*t2.t*/ 528 out += stride; 529 out[0] = coord[0]; /*t3.s*/ 530 out[1] = coord[3]; /*t3.t*/ 531} 532 533static void blitter_set_texcoords_2d(struct blitter_context_priv *ctx, 534 struct pipe_sampler_view *src, 535 unsigned x1, unsigned y1, 536 unsigned x2, unsigned y2) 537{ 538 unsigned i; 539 float coord[4]; 540 541 get_texcoords(src, x1, y1, x2, y2, coord); 542 set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8); 543 544 for (i = 0; i < 4; i++) { 545 ctx->vertices[i][1][2] = 0; /*r*/ 546 ctx->vertices[i][1][3] = 1; /*q*/ 547 } 548} 549 550static void blitter_set_texcoords_3d(struct blitter_context_priv *ctx, 551 struct pipe_sampler_view *src, 552 unsigned zslice, 553 unsigned x1, unsigned y1, 554 unsigned x2, unsigned y2) 555{ 556 struct pipe_resource *tex = src->texture; 557 unsigned level = src->u.tex.first_level; 558 boolean is_array = tex->target != PIPE_TEXTURE_2D_ARRAY; 559 float r = is_array ? zslice : zslice / (float)u_minify(tex->depth0, level); 560 int i; 561 562 blitter_set_texcoords_2d(ctx, src, x1, y1, x2, y2); 563 564 for (i = 0; i < 4; i++) 565 ctx->vertices[i][1][2] = r; /*r*/ 566} 567 568static void blitter_set_texcoords_1d_array(struct blitter_context_priv *ctx, 569 struct pipe_sampler_view *src, 570 unsigned zslice, 571 unsigned x1, unsigned x2) 572{ 573 int i; 574 575 blitter_set_texcoords_2d(ctx, src, x1, 0, x2, 0); 576 577 for (i = 0; i < 4; i++) 578 ctx->vertices[i][1][1] = zslice; /*r*/ 579} 580 581static void blitter_set_texcoords_cube(struct blitter_context_priv *ctx, 582 struct pipe_sampler_view *src, 583 unsigned face, 584 unsigned x1, unsigned y1, 585 unsigned x2, unsigned y2) 586{ 587 int i; 588 float coord[4]; 589 float st[4][2]; 590 591 get_texcoords(src, x1, y1, x2, y2, coord); 592 set_texcoords_in_vertices(coord, &st[0][0], 2); 593 594 util_map_texcoords2d_onto_cubemap(face, 595 /* pointer, stride in floats */ 596 &st[0][0], 2, 597 &ctx->vertices[0][1][0], 8); 598 599 for (i = 0; i < 4; i++) 600 ctx->vertices[i][1][3] = 1; /*q*/ 601} 602 603static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx, 604 unsigned width, unsigned height) 605{ 606 ctx->dst_width = width; 607 ctx->dst_height = height; 608} 609 610static INLINE 611void *blitter_get_fs_col(struct blitter_context_priv *ctx, unsigned num_cbufs, 612 boolean int_format) 613{ 614 struct pipe_context *pipe = ctx->base.pipe; 615 616 assert(num_cbufs <= PIPE_MAX_COLOR_BUFS); 617 618 if (int_format) { 619 if (!ctx->fs_col_int[num_cbufs]) 620 ctx->fs_col_int[num_cbufs] = 621 util_make_fragment_cloneinput_shader(pipe, num_cbufs, 622 TGSI_SEMANTIC_GENERIC, 623 TGSI_INTERPOLATE_CONSTANT); 624 return ctx->fs_col_int[num_cbufs]; 625 } else { 626 if (!ctx->fs_col[num_cbufs]) 627 ctx->fs_col[num_cbufs] = 628 util_make_fragment_cloneinput_shader(pipe, num_cbufs, 629 TGSI_SEMANTIC_GENERIC, 630 TGSI_INTERPOLATE_LINEAR); 631 return ctx->fs_col[num_cbufs]; 632 } 633} 634 635/** Convert PIPE_TEXTURE_x to TGSI_TEXTURE_x */ 636static unsigned 637pipe_tex_to_tgsi_tex(enum pipe_texture_target pipe_tex_target) 638{ 639 switch (pipe_tex_target) { 640 case PIPE_TEXTURE_1D: 641 return TGSI_TEXTURE_1D; 642 case PIPE_TEXTURE_2D: 643 return TGSI_TEXTURE_2D; 644 case PIPE_TEXTURE_RECT: 645 return TGSI_TEXTURE_RECT; 646 case PIPE_TEXTURE_3D: 647 return TGSI_TEXTURE_3D; 648 case PIPE_TEXTURE_CUBE: 649 return TGSI_TEXTURE_CUBE; 650 case PIPE_TEXTURE_1D_ARRAY: 651 return TGSI_TEXTURE_1D_ARRAY; 652 case PIPE_TEXTURE_2D_ARRAY: 653 return TGSI_TEXTURE_2D_ARRAY; 654 default: 655 assert(0 && "unexpected texture target"); 656 return TGSI_TEXTURE_UNKNOWN; 657 } 658} 659 660 661static INLINE 662void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx, 663 unsigned tex_target) 664{ 665 struct pipe_context *pipe = ctx->base.pipe; 666 667 assert(tex_target < PIPE_MAX_TEXTURE_TYPES); 668 669 /* Create the fragment shader on-demand. */ 670 if (!ctx->fs_texfetch_col[tex_target]) { 671 unsigned tgsi_tex = pipe_tex_to_tgsi_tex(tex_target); 672 673 ctx->fs_texfetch_col[tex_target] = 674 util_make_fragment_tex_shader(pipe, tgsi_tex, TGSI_INTERPOLATE_LINEAR); 675 } 676 677 return ctx->fs_texfetch_col[tex_target]; 678} 679 680static INLINE 681void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx, 682 unsigned tex_target) 683{ 684 struct pipe_context *pipe = ctx->base.pipe; 685 686 assert(tex_target < PIPE_MAX_TEXTURE_TYPES); 687 688 /* Create the fragment shader on-demand. */ 689 if (!ctx->fs_texfetch_depth[tex_target]) { 690 unsigned tgsi_tex = pipe_tex_to_tgsi_tex(tex_target); 691 692 ctx->fs_texfetch_depth[tex_target] = 693 util_make_fragment_tex_shader_writedepth(pipe, tgsi_tex, 694 TGSI_INTERPOLATE_LINEAR); 695 } 696 697 return ctx->fs_texfetch_depth[tex_target]; 698} 699 700static void blitter_draw_rectangle(struct blitter_context *blitter, 701 unsigned x1, unsigned y1, 702 unsigned x2, unsigned y2, 703 float depth, 704 enum blitter_attrib_type type, 705 const union pipe_color_union *attrib) 706{ 707 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 708 709 switch (type) { 710 case UTIL_BLITTER_ATTRIB_COLOR: 711 blitter_set_clear_color(ctx, attrib); 712 break; 713 714 case UTIL_BLITTER_ATTRIB_TEXCOORD: 715 set_texcoords_in_vertices(attrib->f, &ctx->vertices[0][1][0], 8); 716 break; 717 718 default:; 719 } 720 721 blitter_set_rectangle(ctx, x1, y1, x2, y2, depth); 722 ctx->base.pipe->redefine_user_buffer(ctx->base.pipe, ctx->vbuf, 723 0, ctx->vbuf->width0); 724 util_draw_vertex_buffer(ctx->base.pipe, NULL, ctx->vbuf, 0, 725 PIPE_PRIM_TRIANGLE_FAN, 4, 2); 726} 727 728static void util_blitter_clear_custom(struct blitter_context *blitter, 729 unsigned width, unsigned height, 730 unsigned num_cbufs, 731 unsigned clear_buffers, 732 enum pipe_format cbuf_format, 733 const union pipe_color_union *color, 734 double depth, unsigned stencil, 735 void *custom_blend, void *custom_dsa) 736{ 737 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 738 struct pipe_context *pipe = ctx->base.pipe; 739 struct pipe_stencil_ref sr = { { 0 } }; 740 boolean int_format = util_format_is_pure_integer(cbuf_format); 741 assert(num_cbufs <= PIPE_MAX_COLOR_BUFS); 742 743 blitter_set_running_flag(ctx); 744 blitter_check_saved_vertex_states(ctx); 745 blitter_check_saved_fragment_states(ctx); 746 747 /* bind states */ 748 if (custom_blend) { 749 pipe->bind_blend_state(pipe, custom_blend); 750 } else if (clear_buffers & PIPE_CLEAR_COLOR) { 751 pipe->bind_blend_state(pipe, ctx->blend_write_color); 752 } else { 753 pipe->bind_blend_state(pipe, ctx->blend_keep_color); 754 } 755 756 if (custom_dsa) { 757 pipe->bind_depth_stencil_alpha_state(pipe, custom_dsa); 758 } else if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { 759 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 760 } else if (clear_buffers & PIPE_CLEAR_DEPTH) { 761 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); 762 } else if (clear_buffers & PIPE_CLEAR_STENCIL) { 763 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 764 } else { 765 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 766 } 767 768 sr.ref_value[0] = stencil & 0xff; 769 pipe->set_stencil_ref(pipe, &sr); 770 771 pipe->bind_rasterizer_state(pipe, ctx->rs_state); 772 if (util_format_is_pure_sint(cbuf_format)) { 773 pipe->bind_vertex_elements_state(pipe, ctx->velem_sint_state); 774 } else if (util_format_is_pure_uint(cbuf_format)) { 775 pipe->bind_vertex_elements_state(pipe, ctx->velem_uint_state); 776 } else { 777 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 778 } 779 pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, num_cbufs, int_format)); 780 pipe->bind_vs_state(pipe, ctx->vs); 781 if (ctx->has_geometry_shader) 782 pipe->bind_gs_state(pipe, NULL); 783 784 blitter_set_dst_dimensions(ctx, width, height); 785 blitter->draw_rectangle(blitter, 0, 0, width, height, depth, 786 UTIL_BLITTER_ATTRIB_COLOR, color); 787 788 blitter_restore_vertex_states(ctx); 789 blitter_restore_fragment_states(ctx); 790 blitter_unset_running_flag(ctx); 791} 792 793void util_blitter_clear(struct blitter_context *blitter, 794 unsigned width, unsigned height, 795 unsigned num_cbufs, 796 unsigned clear_buffers, 797 enum pipe_format cbuf_format, 798 const union pipe_color_union *color, 799 double depth, unsigned stencil) 800{ 801 util_blitter_clear_custom(blitter, width, height, num_cbufs, 802 clear_buffers, cbuf_format, color, depth, stencil, 803 NULL, NULL); 804} 805 806void util_blitter_clear_depth_custom(struct blitter_context *blitter, 807 unsigned width, unsigned height, 808 double depth, void *custom_dsa) 809{ 810 static const union pipe_color_union color; 811 util_blitter_clear_custom(blitter, width, height, 0, 812 0, PIPE_FORMAT_NONE, &color, depth, 0, NULL, custom_dsa); 813} 814 815static 816boolean is_overlap(unsigned sx1, unsigned sx2, unsigned sy1, unsigned sy2, 817 unsigned dx1, unsigned dx2, unsigned dy1, unsigned dy2) 818{ 819 return sx1 < dx2 && sx2 > dx1 && sy1 < dy2 && sy2 > dy1; 820} 821 822void util_blitter_copy_texture(struct blitter_context *blitter, 823 struct pipe_resource *dst, 824 unsigned dstlevel, 825 unsigned dstx, unsigned dsty, unsigned dstz, 826 struct pipe_resource *src, 827 unsigned srclevel, 828 const struct pipe_box *srcbox, 829 boolean ignore_stencil) 830{ 831 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 832 struct pipe_context *pipe = ctx->base.pipe; 833 struct pipe_screen *screen = pipe->screen; 834 struct pipe_surface *dstsurf, surf_templ; 835 struct pipe_sampler_view viewTempl, *view; 836 unsigned bind; 837 boolean is_stencil, is_depth; 838 839 /* Give up if textures are not set. */ 840 assert(dst && src); 841 if (!dst || !src) 842 return; 843 844 assert(src->target < PIPE_MAX_TEXTURE_TYPES); 845 846 /* Is this a ZS format? */ 847 is_depth = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0; 848 is_stencil = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 1) != 0; 849 850 if (is_depth || is_stencil) 851 bind = PIPE_BIND_DEPTH_STENCIL; 852 else 853 bind = PIPE_BIND_RENDER_TARGET; 854 855 /* Check if we can sample from and render to the surfaces. */ 856 /* (assuming copying a stencil buffer is not possible) */ 857 if ((!ignore_stencil && is_stencil) || 858 !screen->is_format_supported(screen, dst->format, dst->target, 859 dst->nr_samples, bind) || 860 !screen->is_format_supported(screen, src->format, src->target, 861 src->nr_samples, PIPE_BIND_SAMPLER_VIEW)) { 862 blitter_set_running_flag(ctx); 863 util_resource_copy_region(pipe, dst, dstlevel, dstx, dsty, dstz, 864 src, srclevel, srcbox); 865 blitter_unset_running_flag(ctx); 866 return; 867 } 868 869 /* Initialize the surface. */ 870 memset(&surf_templ, 0, sizeof(surf_templ)); 871 u_surface_default_template(&surf_templ, dst, bind); 872 surf_templ.format = util_format_linear(dst->format); 873 surf_templ.u.tex.level = dstlevel; 874 surf_templ.u.tex.first_layer = dstz; 875 surf_templ.u.tex.last_layer = dstz + srcbox->depth - 1; 876 dstsurf = pipe->create_surface(pipe, dst, &surf_templ); 877 878 /* Initialize the sampler view. */ 879 u_sampler_view_default_template(&viewTempl, src, 880 util_format_linear(src->format)); 881 viewTempl.u.tex.first_level = srclevel; 882 viewTempl.u.tex.last_level = srclevel; 883 view = pipe->create_sampler_view(pipe, src, &viewTempl); 884 885 /* Copy. */ 886 util_blitter_copy_texture_view(blitter, dstsurf, dstx, dsty, view, srcbox); 887 888 pipe_surface_reference(&dstsurf, NULL); 889 pipe_sampler_view_reference(&view, NULL); 890} 891 892void util_blitter_copy_texture_view(struct blitter_context *blitter, 893 struct pipe_surface *dst, 894 unsigned dstx, unsigned dsty, 895 struct pipe_sampler_view *src, 896 const struct pipe_box *srcbox) 897{ 898 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 899 struct pipe_context *pipe = ctx->base.pipe; 900 struct pipe_framebuffer_state fb_state; 901 enum pipe_texture_target src_target = src->texture->target; 902 unsigned width = srcbox->width; 903 unsigned height = srcbox->height; 904 905 /* Sanity checks. */ 906 if (dst->texture == src->texture && 907 dst->u.tex.level == src->u.tex.first_level) { 908 assert(!is_overlap(srcbox->x, srcbox->x + width, srcbox->y, srcbox->y + height, 909 dstx, dstx + width, dsty, dsty + height)); 910 } 911 /* XXX should handle 3d regions */ 912 assert(srcbox->depth == 1); 913 914 /* Check whether the states are properly saved. */ 915 blitter_set_running_flag(ctx); 916 blitter_check_saved_vertex_states(ctx); 917 blitter_check_saved_fragment_states(ctx); 918 blitter_check_saved_textures(ctx); 919 blitter_check_saved_fb_state(ctx); 920 921 /* Initialize framebuffer state. */ 922 fb_state.width = dst->width; 923 fb_state.height = dst->height; 924 925 if (util_format_is_depth_or_stencil(dst->format)) { 926 pipe->bind_blend_state(pipe, ctx->blend_keep_color); 927 pipe->bind_depth_stencil_alpha_state(pipe, 928 ctx->dsa_write_depth_keep_stencil); 929 pipe->bind_fs_state(pipe, 930 blitter_get_fs_texfetch_depth(ctx, src_target)); 931 932 fb_state.nr_cbufs = 0; 933 fb_state.zsbuf = dst; 934 } else { 935 pipe->bind_blend_state(pipe, ctx->blend_write_color); 936 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 937 pipe->bind_fs_state(pipe, 938 blitter_get_fs_texfetch_col(ctx, src_target)); 939 940 fb_state.nr_cbufs = 1; 941 fb_state.cbufs[0] = dst; 942 fb_state.zsbuf = 0; 943 } 944 945 /* Set rasterizer state, shaders, and textures. */ 946 pipe->bind_rasterizer_state(pipe, ctx->rs_state); 947 pipe->bind_vs_state(pipe, ctx->vs); 948 if (ctx->has_geometry_shader) 949 pipe->bind_gs_state(pipe, NULL); 950 pipe->bind_fragment_sampler_states(pipe, 1, &ctx->sampler_state); 951 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 952 pipe->set_fragment_sampler_views(pipe, 1, &src); 953 pipe->set_framebuffer_state(pipe, &fb_state); 954 955 blitter_set_dst_dimensions(ctx, dst->width, dst->height); 956 957 switch (src_target) { 958 /* Draw the quad with the draw_rectangle callback. */ 959 case PIPE_TEXTURE_1D: 960 case PIPE_TEXTURE_2D: 961 case PIPE_TEXTURE_RECT: 962 { 963 /* Set texture coordinates. - use a pipe color union 964 * for interface purposes. 965 * XXX pipe_color_union is a wrong name since we use that to set 966 * texture coordinates too. 967 */ 968 union pipe_color_union coord; 969 get_texcoords(src, srcbox->x, srcbox->y, 970 srcbox->x+width, srcbox->y+height, coord.f); 971 972 /* Draw. */ 973 blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, 0, 974 UTIL_BLITTER_ATTRIB_TEXCOORD, &coord); 975 } 976 break; 977 978 /* Draw the quad with the generic codepath. */ 979 default: 980 /* Set texture coordinates. */ 981 switch (src_target) { 982 case PIPE_TEXTURE_1D_ARRAY: 983 blitter_set_texcoords_1d_array(ctx, src, srcbox->y, srcbox->x, 984 srcbox->x + width); 985 break; 986 987 case PIPE_TEXTURE_2D_ARRAY: 988 case PIPE_TEXTURE_3D: 989 blitter_set_texcoords_3d(ctx, src, srcbox->z, 990 srcbox->x, srcbox->y, 991 srcbox->x + width, srcbox->y + height); 992 break; 993 994 case PIPE_TEXTURE_CUBE: 995 blitter_set_texcoords_cube(ctx, src, srcbox->z, 996 srcbox->x, srcbox->y, 997 srcbox->x + width, srcbox->y + height); 998 break; 999 1000 default: 1001 assert(0); 1002 } 1003 1004 /* Draw. */ 1005 blitter_set_rectangle(ctx, dstx, dsty, dstx+width, dsty+height, 0); 1006 ctx->base.pipe->redefine_user_buffer(ctx->base.pipe, ctx->vbuf, 1007 0, ctx->vbuf->width0); 1008 util_draw_vertex_buffer(ctx->base.pipe, NULL, ctx->vbuf, 0, 1009 PIPE_PRIM_TRIANGLE_FAN, 4, 2); 1010 break; 1011 } 1012 1013 blitter_restore_vertex_states(ctx); 1014 blitter_restore_fragment_states(ctx); 1015 blitter_restore_textures(ctx); 1016 blitter_restore_fb_state(ctx); 1017 blitter_unset_running_flag(ctx); 1018} 1019 1020/* Clear a region of a color surface to a constant value. */ 1021void util_blitter_clear_render_target(struct blitter_context *blitter, 1022 struct pipe_surface *dstsurf, 1023 const union pipe_color_union *color, 1024 unsigned dstx, unsigned dsty, 1025 unsigned width, unsigned height) 1026{ 1027 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1028 struct pipe_context *pipe = ctx->base.pipe; 1029 struct pipe_framebuffer_state fb_state; 1030 1031 assert(dstsurf->texture); 1032 if (!dstsurf->texture) 1033 return; 1034 1035 /* check the saved state */ 1036 blitter_set_running_flag(ctx); 1037 blitter_check_saved_vertex_states(ctx); 1038 blitter_check_saved_fragment_states(ctx); 1039 blitter_check_saved_fb_state(ctx); 1040 1041 /* bind states */ 1042 pipe->bind_blend_state(pipe, ctx->blend_write_color); 1043 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1044 pipe->bind_rasterizer_state(pipe, ctx->rs_state); 1045 pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1, FALSE)); 1046 pipe->bind_vs_state(pipe, ctx->vs); 1047 if (ctx->has_geometry_shader) 1048 pipe->bind_gs_state(pipe, NULL); 1049 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1050 1051 /* set a framebuffer state */ 1052 fb_state.width = dstsurf->width; 1053 fb_state.height = dstsurf->height; 1054 fb_state.nr_cbufs = 1; 1055 fb_state.cbufs[0] = dstsurf; 1056 fb_state.zsbuf = 0; 1057 pipe->set_framebuffer_state(pipe, &fb_state); 1058 1059 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 1060 blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, 0, 1061 UTIL_BLITTER_ATTRIB_COLOR, color); 1062 1063 blitter_restore_vertex_states(ctx); 1064 blitter_restore_fragment_states(ctx); 1065 blitter_restore_fb_state(ctx); 1066 blitter_unset_running_flag(ctx); 1067} 1068 1069/* Clear a region of a depth stencil surface. */ 1070void util_blitter_clear_depth_stencil(struct blitter_context *blitter, 1071 struct pipe_surface *dstsurf, 1072 unsigned clear_flags, 1073 double depth, 1074 unsigned stencil, 1075 unsigned dstx, unsigned dsty, 1076 unsigned width, unsigned height) 1077{ 1078 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1079 struct pipe_context *pipe = ctx->base.pipe; 1080 struct pipe_framebuffer_state fb_state; 1081 struct pipe_stencil_ref sr = { { 0 } }; 1082 1083 assert(dstsurf->texture); 1084 if (!dstsurf->texture) 1085 return; 1086 1087 /* check the saved state */ 1088 blitter_set_running_flag(ctx); 1089 blitter_check_saved_vertex_states(ctx); 1090 blitter_check_saved_fragment_states(ctx); 1091 blitter_check_saved_fb_state(ctx); 1092 1093 /* bind states */ 1094 pipe->bind_blend_state(pipe, ctx->blend_keep_color); 1095 if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { 1096 sr.ref_value[0] = stencil & 0xff; 1097 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 1098 pipe->set_stencil_ref(pipe, &sr); 1099 } 1100 else if (clear_flags & PIPE_CLEAR_DEPTH) { 1101 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); 1102 } 1103 else if (clear_flags & PIPE_CLEAR_STENCIL) { 1104 sr.ref_value[0] = stencil & 0xff; 1105 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 1106 pipe->set_stencil_ref(pipe, &sr); 1107 } 1108 else 1109 /* hmm that should be illegal probably, or make it a no-op somewhere */ 1110 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1111 1112 pipe->bind_rasterizer_state(pipe, ctx->rs_state); 1113 pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 0, FALSE)); 1114 pipe->bind_vs_state(pipe, ctx->vs); 1115 if (ctx->has_geometry_shader) 1116 pipe->bind_gs_state(pipe, NULL); 1117 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1118 1119 /* set a framebuffer state */ 1120 fb_state.width = dstsurf->width; 1121 fb_state.height = dstsurf->height; 1122 fb_state.nr_cbufs = 0; 1123 fb_state.cbufs[0] = 0; 1124 fb_state.zsbuf = dstsurf; 1125 pipe->set_framebuffer_state(pipe, &fb_state); 1126 1127 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 1128 blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, depth, 1129 UTIL_BLITTER_ATTRIB_NONE, NULL); 1130 1131 blitter_restore_vertex_states(ctx); 1132 blitter_restore_fragment_states(ctx); 1133 blitter_restore_fb_state(ctx); 1134 blitter_unset_running_flag(ctx); 1135} 1136 1137/* draw a rectangle across a region using a custom dsa stage - for r600g */ 1138void util_blitter_custom_depth_stencil(struct blitter_context *blitter, 1139 struct pipe_surface *zsurf, 1140 struct pipe_surface *cbsurf, 1141 void *dsa_stage, float depth) 1142{ 1143 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1144 struct pipe_context *pipe = ctx->base.pipe; 1145 struct pipe_framebuffer_state fb_state; 1146 1147 assert(zsurf->texture); 1148 if (!zsurf->texture) 1149 return; 1150 1151 /* check the saved state */ 1152 blitter_set_running_flag(ctx); 1153 blitter_check_saved_vertex_states(ctx); 1154 blitter_check_saved_fragment_states(ctx); 1155 blitter_check_saved_fb_state(ctx); 1156 1157 /* bind states */ 1158 pipe->bind_blend_state(pipe, ctx->blend_write_color); 1159 pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage); 1160 1161 pipe->bind_rasterizer_state(pipe, ctx->rs_state); 1162 pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 0, FALSE)); 1163 pipe->bind_vs_state(pipe, ctx->vs); 1164 if (ctx->has_geometry_shader) 1165 pipe->bind_gs_state(pipe, NULL); 1166 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1167 1168 /* set a framebuffer state */ 1169 fb_state.width = zsurf->width; 1170 fb_state.height = zsurf->height; 1171 fb_state.nr_cbufs = 1; 1172 if (cbsurf) { 1173 fb_state.cbufs[0] = cbsurf; 1174 fb_state.nr_cbufs = 1; 1175 } else { 1176 fb_state.cbufs[0] = NULL; 1177 fb_state.nr_cbufs = 0; 1178 } 1179 fb_state.zsbuf = zsurf; 1180 pipe->set_framebuffer_state(pipe, &fb_state); 1181 1182 blitter_set_dst_dimensions(ctx, zsurf->width, zsurf->height); 1183 blitter->draw_rectangle(blitter, 0, 0, zsurf->width, zsurf->height, depth, 1184 UTIL_BLITTER_ATTRIB_NONE, NULL); 1185 1186 blitter_restore_vertex_states(ctx); 1187 blitter_restore_fragment_states(ctx); 1188 blitter_restore_fb_state(ctx); 1189 blitter_unset_running_flag(ctx); 1190} 1191