1 /************************************************************************** 2 * 3 * Copyright 2009 Marek Olk <maraeo (at) 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 VMWARE 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, resource_copy_region, and blit functions. 31 * 32 * @author Marek Olk 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 #include "util/u_upload_mgr.h" 51 52 #define INVALID_PTR ((void*)~0) 53 54 #define GET_CLEAR_BLEND_STATE_IDX(clear_buffers) \ 55 ((clear_buffers) / PIPE_CLEAR_COLOR0) 56 57 #define NUM_RESOLVE_FRAG_SHADERS 5 /* MSAA 2x, 4x, 8x, 16x, 32x */ 58 #define GET_MSAA_RESOLVE_FS_IDX(nr_samples) (util_logbase2(nr_samples)-1) 59 60 struct blitter_context_priv 61 { 62 struct blitter_context base; 63 64 float vertices[4][2][4]; /**< {pos, color} or {pos, texcoord} */ 65 66 /* Templates for various state objects. */ 67 68 /* Constant state objects. */ 69 /* Vertex shaders. */ 70 void *vs; /**< Vertex shader which passes {pos, generic} to the output.*/ 71 void *vs_nogeneric; 72 void *vs_pos_only[4]; /**< Vertex shader which passes pos to the output 73 for clear_buffer/copy_buffer.*/ 74 void *vs_layered; /**< Vertex shader which sets LAYER = INSTANCEID. */ 75 76 /* Fragment shaders. */ 77 void *fs_empty; 78 void *fs_write_one_cbuf; 79 void *fs_write_all_cbufs; 80 81 /* FS which outputs a color from a texture where 82 * the 1st index indicates the texture type / destination type, 83 * the 2nd index is the PIPE_TEXTURE_* to be sampled, 84 * the 3rd index is 0 = use TEX, 1 = use TXF. 85 */ 86 void *fs_texfetch_col[5][PIPE_MAX_TEXTURE_TYPES][2]; 87 88 /* FS which outputs a depth from a texture, where 89 * the 1st index is the PIPE_TEXTURE_* to be sampled, 90 * the 2nd index is 0 = use TEX, 1 = use TXF. 91 */ 92 void *fs_texfetch_depth[PIPE_MAX_TEXTURE_TYPES][2]; 93 void *fs_texfetch_depthstencil[PIPE_MAX_TEXTURE_TYPES][2]; 94 void *fs_texfetch_stencil[PIPE_MAX_TEXTURE_TYPES][2]; 95 96 /* FS which outputs one sample from a multisample texture. */ 97 void *fs_texfetch_col_msaa[5][PIPE_MAX_TEXTURE_TYPES]; 98 void *fs_texfetch_depth_msaa[PIPE_MAX_TEXTURE_TYPES]; 99 void *fs_texfetch_depthstencil_msaa[PIPE_MAX_TEXTURE_TYPES]; 100 void *fs_texfetch_stencil_msaa[PIPE_MAX_TEXTURE_TYPES]; 101 102 /* FS which outputs an average of all samples. */ 103 void *fs_resolve[PIPE_MAX_TEXTURE_TYPES][NUM_RESOLVE_FRAG_SHADERS][2]; 104 105 /* Blend state. */ 106 void *blend[PIPE_MASK_RGBA+1][2]; /**< blend state with writemask */ 107 void *blend_clear[GET_CLEAR_BLEND_STATE_IDX(PIPE_CLEAR_COLOR)+1]; 108 109 /* Depth stencil alpha state. */ 110 void *dsa_write_depth_stencil; 111 void *dsa_write_depth_keep_stencil; 112 void *dsa_keep_depth_stencil; 113 void *dsa_keep_depth_write_stencil; 114 115 /* Vertex elements states. */ 116 void *velem_state; 117 void *velem_state_readbuf[4]; /**< X, XY, XYZ, XYZW */ 118 119 /* Sampler state. */ 120 void *sampler_state; 121 void *sampler_state_linear; 122 void *sampler_state_rect; 123 void *sampler_state_rect_linear; 124 125 /* Rasterizer state. */ 126 void *rs_state, *rs_state_scissor, *rs_discard_state; 127 128 /* Destination surface dimensions. */ 129 unsigned dst_width; 130 unsigned dst_height; 131 132 bool has_geometry_shader; 133 bool has_tessellation; 134 bool has_layered; 135 bool has_stream_out; 136 bool has_stencil_export; 137 bool has_texture_multisample; 138 bool has_tex_lz; 139 bool has_txf; 140 bool cube_as_2darray; 141 bool cached_all_shaders; 142 143 /* The Draw module overrides these functions. 144 * Always create the blitter before Draw. */ 145 void (*bind_fs_state)(struct pipe_context *, void *); 146 void (*delete_fs_state)(struct pipe_context *, void *); 147 }; 148 149 struct blitter_context *util_blitter_create(struct pipe_context *pipe) 150 { 151 struct blitter_context_priv *ctx; 152 struct pipe_blend_state blend; 153 struct pipe_depth_stencil_alpha_state dsa; 154 struct pipe_rasterizer_state rs_state; 155 struct pipe_sampler_state sampler_state; 156 struct pipe_vertex_element velem[2]; 157 unsigned i, j; 158 159 ctx = CALLOC_STRUCT(blitter_context_priv); 160 if (!ctx) 161 return NULL; 162 163 ctx->base.pipe = pipe; 164 ctx->base.draw_rectangle = util_blitter_draw_rectangle; 165 166 ctx->bind_fs_state = pipe->bind_fs_state; 167 ctx->delete_fs_state = pipe->delete_fs_state; 168 169 /* init state objects for them to be considered invalid */ 170 ctx->base.saved_blend_state = INVALID_PTR; 171 ctx->base.saved_dsa_state = INVALID_PTR; 172 ctx->base.saved_rs_state = INVALID_PTR; 173 ctx->base.saved_fs = INVALID_PTR; 174 ctx->base.saved_vs = INVALID_PTR; 175 ctx->base.saved_gs = INVALID_PTR; 176 ctx->base.saved_velem_state = INVALID_PTR; 177 ctx->base.saved_fb_state.nr_cbufs = ~0; 178 ctx->base.saved_num_sampler_views = ~0; 179 ctx->base.saved_num_sampler_states = ~0; 180 ctx->base.saved_num_so_targets = ~0; 181 182 ctx->has_geometry_shader = 183 pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY, 184 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0; 185 186 ctx->has_tessellation = 187 pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_TESS_CTRL, 188 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0; 189 190 ctx->has_stream_out = 191 pipe->screen->get_param(pipe->screen, 192 PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0; 193 194 ctx->has_stencil_export = 195 pipe->screen->get_param(pipe->screen, 196 PIPE_CAP_SHADER_STENCIL_EXPORT); 197 198 ctx->has_texture_multisample = 199 pipe->screen->get_param(pipe->screen, PIPE_CAP_TEXTURE_MULTISAMPLE); 200 201 ctx->has_tex_lz = pipe->screen->get_param(pipe->screen, 202 PIPE_CAP_TGSI_TEX_TXF_LZ); 203 ctx->has_txf = pipe->screen->get_param(pipe->screen, 204 PIPE_CAP_GLSL_FEATURE_LEVEL) > 130; 205 ctx->cube_as_2darray = pipe->screen->get_param(pipe->screen, 206 PIPE_CAP_SAMPLER_VIEW_TARGET); 207 208 /* blend state objects */ 209 memset(&blend, 0, sizeof(blend)); 210 211 for (i = 0; i <= PIPE_MASK_RGBA; i++) { 212 for (j = 0; j < 2; j++) { 213 memset(&blend.rt[0], 0, sizeof(blend.rt[0])); 214 blend.rt[0].colormask = i; 215 if (j) { 216 blend.rt[0].blend_enable = 1; 217 blend.rt[0].rgb_func = PIPE_BLEND_ADD; 218 blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA; 219 blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA; 220 blend.rt[0].alpha_func = PIPE_BLEND_ADD; 221 blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA; 222 blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA; 223 } 224 ctx->blend[i][j] = pipe->create_blend_state(pipe, &blend); 225 } 226 } 227 228 /* depth stencil alpha state objects */ 229 memset(&dsa, 0, sizeof(dsa)); 230 ctx->dsa_keep_depth_stencil = 231 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 232 233 dsa.depth.enabled = 1; 234 dsa.depth.writemask = 1; 235 dsa.depth.func = PIPE_FUNC_ALWAYS; 236 ctx->dsa_write_depth_keep_stencil = 237 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 238 239 dsa.stencil[0].enabled = 1; 240 dsa.stencil[0].func = PIPE_FUNC_ALWAYS; 241 dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; 242 dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; 243 dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; 244 dsa.stencil[0].valuemask = 0xff; 245 dsa.stencil[0].writemask = 0xff; 246 ctx->dsa_write_depth_stencil = 247 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 248 249 dsa.depth.enabled = 0; 250 dsa.depth.writemask = 0; 251 ctx->dsa_keep_depth_write_stencil = 252 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 253 254 /* sampler state */ 255 memset(&sampler_state, 0, sizeof(sampler_state)); 256 sampler_state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 257 sampler_state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 258 sampler_state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 259 sampler_state.normalized_coords = 1; 260 ctx->sampler_state = pipe->create_sampler_state(pipe, &sampler_state); 261 sampler_state.normalized_coords = 0; 262 ctx->sampler_state_rect = pipe->create_sampler_state(pipe, &sampler_state); 263 264 sampler_state.min_img_filter = PIPE_TEX_FILTER_LINEAR; 265 sampler_state.mag_img_filter = PIPE_TEX_FILTER_LINEAR; 266 sampler_state.normalized_coords = 1; 267 ctx->sampler_state_linear = pipe->create_sampler_state(pipe, &sampler_state); 268 sampler_state.normalized_coords = 0; 269 ctx->sampler_state_rect_linear = pipe->create_sampler_state(pipe, &sampler_state); 270 271 /* rasterizer state */ 272 memset(&rs_state, 0, sizeof(rs_state)); 273 rs_state.cull_face = PIPE_FACE_NONE; 274 rs_state.half_pixel_center = 1; 275 rs_state.bottom_edge_rule = 1; 276 rs_state.flatshade = 1; 277 rs_state.depth_clip = 1; 278 ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); 279 280 rs_state.scissor = 1; 281 ctx->rs_state_scissor = pipe->create_rasterizer_state(pipe, &rs_state); 282 283 if (ctx->has_stream_out) { 284 rs_state.scissor = 0; 285 rs_state.rasterizer_discard = 1; 286 ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state); 287 } 288 289 ctx->base.cb_slot = 0; /* 0 for now */ 290 ctx->base.vb_slot = 0; /* 0 for now */ 291 292 /* vertex elements states */ 293 memset(&velem[0], 0, sizeof(velem[0]) * 2); 294 for (i = 0; i < 2; i++) { 295 velem[i].src_offset = i * 4 * sizeof(float); 296 velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 297 velem[i].vertex_buffer_index = ctx->base.vb_slot; 298 } 299 ctx->velem_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); 300 301 if (ctx->has_stream_out) { 302 static enum pipe_format formats[4] = { 303 PIPE_FORMAT_R32_UINT, 304 PIPE_FORMAT_R32G32_UINT, 305 PIPE_FORMAT_R32G32B32_UINT, 306 PIPE_FORMAT_R32G32B32A32_UINT 307 }; 308 309 for (i = 0; i < 4; i++) { 310 velem[0].src_format = formats[i]; 311 velem[0].vertex_buffer_index = ctx->base.vb_slot; 312 ctx->velem_state_readbuf[i] = 313 pipe->create_vertex_elements_state(pipe, 1, &velem[0]); 314 } 315 } 316 317 ctx->has_layered = 318 pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_INSTANCEID) && 319 pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT); 320 321 /* set invariant vertex coordinates */ 322 for (i = 0; i < 4; i++) 323 ctx->vertices[i][0][3] = 1; /*v.w*/ 324 325 return &ctx->base; 326 } 327 328 static void bind_vs_pos_only(struct blitter_context_priv *ctx, 329 unsigned num_so_channels) 330 { 331 struct pipe_context *pipe = ctx->base.pipe; 332 int index = num_so_channels ? num_so_channels - 1 : 0; 333 334 if (!ctx->vs_pos_only[index]) { 335 struct pipe_stream_output_info so; 336 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION }; 337 const uint semantic_indices[] = { 0 }; 338 339 memset(&so, 0, sizeof(so)); 340 so.num_outputs = 1; 341 so.output[0].num_components = num_so_channels; 342 so.stride[0] = num_so_channels; 343 344 ctx->vs_pos_only[index] = 345 util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names, 346 semantic_indices, false, 347 false, &so); 348 } 349 350 pipe->bind_vs_state(pipe, ctx->vs_pos_only[index]); 351 } 352 353 static void *get_vs_passthrough_pos_generic(struct blitter_context *blitter) 354 { 355 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 356 struct pipe_context *pipe = ctx->base.pipe; 357 358 if (!ctx->vs) { 359 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, 360 TGSI_SEMANTIC_GENERIC }; 361 const uint semantic_indices[] = { 0, 0 }; 362 ctx->vs = 363 util_make_vertex_passthrough_shader(pipe, 2, semantic_names, 364 semantic_indices, false); 365 } 366 return ctx->vs; 367 } 368 369 static void *get_vs_passthrough_pos(struct blitter_context *blitter) 370 { 371 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 372 struct pipe_context *pipe = ctx->base.pipe; 373 374 if (!ctx->vs_nogeneric) { 375 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION }; 376 const uint semantic_indices[] = { 0 }; 377 378 ctx->vs_nogeneric = 379 util_make_vertex_passthrough_shader(pipe, 1, 380 semantic_names, 381 semantic_indices, false); 382 } 383 return ctx->vs_nogeneric; 384 } 385 386 static void *get_vs_layered(struct blitter_context *blitter) 387 { 388 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 389 struct pipe_context *pipe = ctx->base.pipe; 390 391 if (!ctx->vs_layered) { 392 ctx->vs_layered = util_make_layered_clear_vertex_shader(pipe); 393 } 394 return ctx->vs_layered; 395 } 396 397 static void bind_fs_empty(struct blitter_context_priv *ctx) 398 { 399 struct pipe_context *pipe = ctx->base.pipe; 400 401 if (!ctx->fs_empty) { 402 assert(!ctx->cached_all_shaders); 403 ctx->fs_empty = util_make_empty_fragment_shader(pipe); 404 } 405 406 ctx->bind_fs_state(pipe, ctx->fs_empty); 407 } 408 409 static void bind_fs_write_one_cbuf(struct blitter_context_priv *ctx) 410 { 411 struct pipe_context *pipe = ctx->base.pipe; 412 413 if (!ctx->fs_write_one_cbuf) { 414 assert(!ctx->cached_all_shaders); 415 ctx->fs_write_one_cbuf = 416 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, 417 TGSI_INTERPOLATE_CONSTANT, false); 418 } 419 420 ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); 421 } 422 423 static void bind_fs_write_all_cbufs(struct blitter_context_priv *ctx) 424 { 425 struct pipe_context *pipe = ctx->base.pipe; 426 427 if (!ctx->fs_write_all_cbufs) { 428 assert(!ctx->cached_all_shaders); 429 ctx->fs_write_all_cbufs = 430 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, 431 TGSI_INTERPOLATE_CONSTANT, true); 432 } 433 434 ctx->bind_fs_state(pipe, ctx->fs_write_all_cbufs); 435 } 436 437 void util_blitter_destroy(struct blitter_context *blitter) 438 { 439 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 440 struct pipe_context *pipe = blitter->pipe; 441 unsigned i, j, f; 442 443 for (i = 0; i <= PIPE_MASK_RGBA; i++) 444 for (j = 0; j < 2; j++) 445 pipe->delete_blend_state(pipe, ctx->blend[i][j]); 446 447 for (i = 0; i < ARRAY_SIZE(ctx->blend_clear); i++) { 448 if (ctx->blend_clear[i]) 449 pipe->delete_blend_state(pipe, ctx->blend_clear[i]); 450 } 451 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 452 pipe->delete_depth_stencil_alpha_state(pipe, 453 ctx->dsa_write_depth_keep_stencil); 454 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 455 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 456 457 pipe->delete_rasterizer_state(pipe, ctx->rs_state); 458 pipe->delete_rasterizer_state(pipe, ctx->rs_state_scissor); 459 if (ctx->rs_discard_state) 460 pipe->delete_rasterizer_state(pipe, ctx->rs_discard_state); 461 if (ctx->vs) 462 pipe->delete_vs_state(pipe, ctx->vs); 463 if (ctx->vs_nogeneric) 464 pipe->delete_vs_state(pipe, ctx->vs_nogeneric); 465 for (i = 0; i < 4; i++) 466 if (ctx->vs_pos_only[i]) 467 pipe->delete_vs_state(pipe, ctx->vs_pos_only[i]); 468 if (ctx->vs_layered) 469 pipe->delete_vs_state(pipe, ctx->vs_layered); 470 pipe->delete_vertex_elements_state(pipe, ctx->velem_state); 471 for (i = 0; i < 4; i++) { 472 if (ctx->velem_state_readbuf[i]) { 473 pipe->delete_vertex_elements_state(pipe, ctx->velem_state_readbuf[i]); 474 } 475 } 476 477 for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) { 478 for (unsigned type = 0; type < ARRAY_SIZE(ctx->fs_texfetch_col); ++type) { 479 for (unsigned inst = 0; inst < 2; inst++) { 480 if (ctx->fs_texfetch_col[type][i][inst]) 481 ctx->delete_fs_state(pipe, ctx->fs_texfetch_col[type][i][inst]); 482 } 483 if (ctx->fs_texfetch_col_msaa[type][i]) 484 ctx->delete_fs_state(pipe, ctx->fs_texfetch_col_msaa[type][i]); 485 } 486 487 for (unsigned inst = 0; inst < 2; inst++) { 488 if (ctx->fs_texfetch_depth[i][inst]) 489 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth[i][inst]); 490 if (ctx->fs_texfetch_depthstencil[i][inst]) 491 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i][inst]); 492 if (ctx->fs_texfetch_stencil[i][inst]) 493 ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i][inst]); 494 } 495 496 if (ctx->fs_texfetch_depth_msaa[i]) 497 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth_msaa[i]); 498 if (ctx->fs_texfetch_depthstencil_msaa[i]) 499 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil_msaa[i]); 500 if (ctx->fs_texfetch_stencil_msaa[i]) 501 ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil_msaa[i]); 502 503 for (j = 0; j< ARRAY_SIZE(ctx->fs_resolve[i]); j++) 504 for (f = 0; f < 2; f++) 505 if (ctx->fs_resolve[i][j][f]) 506 ctx->delete_fs_state(pipe, ctx->fs_resolve[i][j][f]); 507 } 508 509 if (ctx->fs_empty) 510 ctx->delete_fs_state(pipe, ctx->fs_empty); 511 if (ctx->fs_write_one_cbuf) 512 ctx->delete_fs_state(pipe, ctx->fs_write_one_cbuf); 513 if (ctx->fs_write_all_cbufs) 514 ctx->delete_fs_state(pipe, ctx->fs_write_all_cbufs); 515 516 pipe->delete_sampler_state(pipe, ctx->sampler_state_rect_linear); 517 pipe->delete_sampler_state(pipe, ctx->sampler_state_rect); 518 pipe->delete_sampler_state(pipe, ctx->sampler_state_linear); 519 pipe->delete_sampler_state(pipe, ctx->sampler_state); 520 FREE(ctx); 521 } 522 523 void util_blitter_set_texture_multisample(struct blitter_context *blitter, 524 bool supported) 525 { 526 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 527 528 ctx->has_texture_multisample = supported; 529 } 530 531 void util_blitter_set_running_flag(struct blitter_context *blitter) 532 { 533 if (blitter->running) { 534 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", 535 __LINE__); 536 } 537 blitter->running = true; 538 539 blitter->pipe->set_active_query_state(blitter->pipe, false); 540 } 541 542 void util_blitter_unset_running_flag(struct blitter_context *blitter) 543 { 544 if (!blitter->running) { 545 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", 546 __LINE__); 547 } 548 blitter->running = false; 549 550 blitter->pipe->set_active_query_state(blitter->pipe, true); 551 } 552 553 static void blitter_check_saved_vertex_states(MAYBE_UNUSED struct blitter_context_priv *ctx) 554 { 555 assert(ctx->base.saved_vs != INVALID_PTR); 556 assert(!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR); 557 assert(!ctx->has_tessellation || ctx->base.saved_tcs != INVALID_PTR); 558 assert(!ctx->has_tessellation || ctx->base.saved_tes != INVALID_PTR); 559 assert(!ctx->has_stream_out || ctx->base.saved_num_so_targets != ~0u); 560 assert(ctx->base.saved_rs_state != INVALID_PTR); 561 } 562 563 void util_blitter_restore_vertex_states(struct blitter_context *blitter) 564 { 565 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 566 struct pipe_context *pipe = ctx->base.pipe; 567 unsigned i; 568 569 /* Vertex buffer. */ 570 if (ctx->base.saved_vertex_buffer.buffer.resource) { 571 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, 572 &ctx->base.saved_vertex_buffer); 573 pipe_vertex_buffer_unreference(&ctx->base.saved_vertex_buffer); 574 } 575 576 /* Vertex elements. */ 577 if (ctx->base.saved_velem_state != INVALID_PTR) { 578 pipe->bind_vertex_elements_state(pipe, ctx->base.saved_velem_state); 579 ctx->base.saved_velem_state = INVALID_PTR; 580 } 581 582 /* Vertex shader. */ 583 pipe->bind_vs_state(pipe, ctx->base.saved_vs); 584 ctx->base.saved_vs = INVALID_PTR; 585 586 /* Geometry shader. */ 587 if (ctx->has_geometry_shader) { 588 pipe->bind_gs_state(pipe, ctx->base.saved_gs); 589 ctx->base.saved_gs = INVALID_PTR; 590 } 591 592 if (ctx->has_tessellation) { 593 pipe->bind_tcs_state(pipe, ctx->base.saved_tcs); 594 pipe->bind_tes_state(pipe, ctx->base.saved_tes); 595 ctx->base.saved_tcs = INVALID_PTR; 596 ctx->base.saved_tes = INVALID_PTR; 597 } 598 599 /* Stream outputs. */ 600 if (ctx->has_stream_out) { 601 unsigned offsets[PIPE_MAX_SO_BUFFERS]; 602 for (i = 0; i < ctx->base.saved_num_so_targets; i++) 603 offsets[i] = (unsigned)-1; 604 pipe->set_stream_output_targets(pipe, 605 ctx->base.saved_num_so_targets, 606 ctx->base.saved_so_targets, offsets); 607 608 for (i = 0; i < ctx->base.saved_num_so_targets; i++) 609 pipe_so_target_reference(&ctx->base.saved_so_targets[i], NULL); 610 611 ctx->base.saved_num_so_targets = ~0; 612 } 613 614 /* Rasterizer. */ 615 pipe->bind_rasterizer_state(pipe, ctx->base.saved_rs_state); 616 ctx->base.saved_rs_state = INVALID_PTR; 617 } 618 619 static void blitter_check_saved_fragment_states(MAYBE_UNUSED struct blitter_context_priv *ctx) 620 { 621 assert(ctx->base.saved_fs != INVALID_PTR); 622 assert(ctx->base.saved_dsa_state != INVALID_PTR); 623 assert(ctx->base.saved_blend_state != INVALID_PTR); 624 } 625 626 void util_blitter_restore_fragment_states(struct blitter_context *blitter) 627 { 628 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 629 struct pipe_context *pipe = ctx->base.pipe; 630 631 /* Fragment shader. */ 632 ctx->bind_fs_state(pipe, ctx->base.saved_fs); 633 ctx->base.saved_fs = INVALID_PTR; 634 635 /* Depth, stencil, alpha. */ 636 pipe->bind_depth_stencil_alpha_state(pipe, ctx->base.saved_dsa_state); 637 ctx->base.saved_dsa_state = INVALID_PTR; 638 639 /* Blend state. */ 640 pipe->bind_blend_state(pipe, ctx->base.saved_blend_state); 641 ctx->base.saved_blend_state = INVALID_PTR; 642 643 /* Sample mask. */ 644 if (ctx->base.is_sample_mask_saved) { 645 pipe->set_sample_mask(pipe, ctx->base.saved_sample_mask); 646 ctx->base.is_sample_mask_saved = false; 647 } 648 649 /* Miscellaneous states. */ 650 /* XXX check whether these are saved and whether they need to be restored 651 * (depending on the operation) */ 652 pipe->set_stencil_ref(pipe, &ctx->base.saved_stencil_ref); 653 654 if (!blitter->skip_viewport_restore) 655 pipe->set_viewport_states(pipe, 0, 1, &ctx->base.saved_viewport); 656 } 657 658 static void blitter_check_saved_fb_state(MAYBE_UNUSED struct blitter_context_priv *ctx) 659 { 660 assert(ctx->base.saved_fb_state.nr_cbufs != ~0u); 661 } 662 663 static void blitter_disable_render_cond(struct blitter_context_priv *ctx) 664 { 665 struct pipe_context *pipe = ctx->base.pipe; 666 667 if (ctx->base.saved_render_cond_query) { 668 pipe->render_condition(pipe, NULL, false, 0); 669 } 670 } 671 672 void util_blitter_restore_render_cond(struct blitter_context *blitter) 673 { 674 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 675 struct pipe_context *pipe = ctx->base.pipe; 676 677 if (ctx->base.saved_render_cond_query) { 678 pipe->render_condition(pipe, ctx->base.saved_render_cond_query, 679 ctx->base.saved_render_cond_cond, 680 ctx->base.saved_render_cond_mode); 681 ctx->base.saved_render_cond_query = NULL; 682 } 683 } 684 685 void util_blitter_restore_fb_state(struct blitter_context *blitter) 686 { 687 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 688 struct pipe_context *pipe = ctx->base.pipe; 689 690 pipe->set_framebuffer_state(pipe, &ctx->base.saved_fb_state); 691 util_unreference_framebuffer_state(&ctx->base.saved_fb_state); 692 } 693 694 static void blitter_check_saved_textures(MAYBE_UNUSED struct blitter_context_priv *ctx) 695 { 696 assert(ctx->base.saved_num_sampler_states != ~0u); 697 assert(ctx->base.saved_num_sampler_views != ~0u); 698 } 699 700 void util_blitter_restore_textures(struct blitter_context *blitter) 701 { 702 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 703 struct pipe_context *pipe = ctx->base.pipe; 704 unsigned i; 705 706 /* Fragment sampler states. */ 707 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 708 ctx->base.saved_num_sampler_states, 709 ctx->base.saved_sampler_states); 710 711 ctx->base.saved_num_sampler_states = ~0; 712 713 /* Fragment sampler views. */ 714 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 715 ctx->base.saved_num_sampler_views, 716 ctx->base.saved_sampler_views); 717 718 for (i = 0; i < ctx->base.saved_num_sampler_views; i++) 719 pipe_sampler_view_reference(&ctx->base.saved_sampler_views[i], NULL); 720 721 ctx->base.saved_num_sampler_views = ~0; 722 } 723 724 void util_blitter_restore_constant_buffer_state(struct blitter_context *blitter) 725 { 726 struct pipe_context *pipe = blitter->pipe; 727 728 pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, blitter->cb_slot, 729 &blitter->saved_fs_constant_buffer); 730 pipe_resource_reference(&blitter->saved_fs_constant_buffer.buffer, NULL); 731 } 732 733 static void blitter_set_rectangle(struct blitter_context_priv *ctx, 734 int x1, int y1, int x2, int y2, 735 float depth) 736 { 737 int i; 738 739 /* set vertex positions */ 740 ctx->vertices[0][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v0.x*/ 741 ctx->vertices[0][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v0.y*/ 742 743 ctx->vertices[1][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v1.x*/ 744 ctx->vertices[1][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v1.y*/ 745 746 ctx->vertices[2][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v2.x*/ 747 ctx->vertices[2][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v2.y*/ 748 749 ctx->vertices[3][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v3.x*/ 750 ctx->vertices[3][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v3.y*/ 751 752 for (i = 0; i < 4; i++) 753 ctx->vertices[i][0][2] = depth; /*z*/ 754 755 /* viewport */ 756 struct pipe_viewport_state viewport; 757 viewport.scale[0] = 0.5f * ctx->dst_width; 758 viewport.scale[1] = 0.5f * ctx->dst_height; 759 viewport.scale[2] = 1.0f; 760 viewport.translate[0] = 0.5f * ctx->dst_width; 761 viewport.translate[1] = 0.5f * ctx->dst_height; 762 viewport.translate[2] = 0.0f; 763 ctx->base.pipe->set_viewport_states(ctx->base.pipe, 0, 1, &viewport); 764 } 765 766 static void blitter_set_clear_color(struct blitter_context_priv *ctx, 767 const float color[4]) 768 { 769 int i; 770 771 if (color) { 772 for (i = 0; i < 4; i++) 773 memcpy(&ctx->vertices[i][1][0], color, sizeof(uint32_t) * 4); 774 } else { 775 for (i = 0; i < 4; i++) 776 memset(&ctx->vertices[i][1][0], 0, sizeof(uint32_t) * 4); 777 } 778 } 779 780 static void get_texcoords(struct pipe_sampler_view *src, 781 unsigned src_width0, unsigned src_height0, 782 int x1, int y1, int x2, int y2, 783 float layer, unsigned sample, 784 bool uses_txf, union blitter_attrib *out) 785 { 786 unsigned level = src->u.tex.first_level; 787 bool normalized = !uses_txf && 788 src->target != PIPE_TEXTURE_RECT && 789 src->texture->nr_samples <= 1; 790 791 if (normalized) { 792 out->texcoord.x1 = x1 / (float)u_minify(src_width0, level); 793 out->texcoord.y1 = y1 / (float)u_minify(src_height0, level); 794 out->texcoord.x2 = x2 / (float)u_minify(src_width0, level); 795 out->texcoord.y2 = y2 / (float)u_minify(src_height0, level); 796 } else { 797 out->texcoord.x1 = x1; 798 out->texcoord.y1 = y1; 799 out->texcoord.x2 = x2; 800 out->texcoord.y2 = y2; 801 } 802 803 out->texcoord.z = 0; 804 out->texcoord.w = 0; 805 806 /* Set the layer. */ 807 switch (src->target) { 808 case PIPE_TEXTURE_3D: 809 { 810 float r = layer; 811 812 if (!uses_txf) 813 r /= u_minify(src->texture->depth0, src->u.tex.first_level); 814 815 out->texcoord.z = r; 816 } 817 break; 818 819 case PIPE_TEXTURE_1D_ARRAY: 820 out->texcoord.y1 = out->texcoord.y2 = layer; 821 break; 822 823 case PIPE_TEXTURE_2D_ARRAY: 824 out->texcoord.z = layer; 825 out->texcoord.w = sample; 826 break; 827 828 case PIPE_TEXTURE_CUBE_ARRAY: 829 out->texcoord.w = (unsigned)layer / 6; 830 break; 831 832 case PIPE_TEXTURE_2D: 833 out->texcoord.w = sample; 834 break; 835 836 default:; 837 } 838 } 839 840 static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx, 841 unsigned width, unsigned height) 842 { 843 ctx->dst_width = width; 844 ctx->dst_height = height; 845 } 846 847 static void set_texcoords_in_vertices(const union blitter_attrib *attrib, 848 float *out, unsigned stride) 849 { 850 out[0] = attrib->texcoord.x1; 851 out[1] = attrib->texcoord.y1; 852 out += stride; 853 out[0] = attrib->texcoord.x2; 854 out[1] = attrib->texcoord.y1; 855 out += stride; 856 out[0] = attrib->texcoord.x2; 857 out[1] = attrib->texcoord.y2; 858 out += stride; 859 out[0] = attrib->texcoord.x1; 860 out[1] = attrib->texcoord.y2; 861 } 862 863 static void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx, 864 enum pipe_format src_format, 865 enum pipe_format dst_format, 866 enum pipe_texture_target target, 867 unsigned src_nr_samples, 868 unsigned dst_nr_samples, 869 unsigned filter, 870 bool use_txf) 871 { 872 struct pipe_context *pipe = ctx->base.pipe; 873 enum tgsi_texture_type tgsi_tex = 874 util_pipe_tex_to_tgsi_tex(target, src_nr_samples); 875 enum tgsi_return_type stype; 876 enum tgsi_return_type dtype; 877 unsigned type; 878 879 assert(target < PIPE_MAX_TEXTURE_TYPES); 880 881 if (util_format_is_pure_uint(src_format)) { 882 stype = TGSI_RETURN_TYPE_UINT; 883 if (util_format_is_pure_uint(dst_format)) { 884 dtype = TGSI_RETURN_TYPE_UINT; 885 type = 0; 886 } else { 887 assert(util_format_is_pure_sint(dst_format)); 888 dtype = TGSI_RETURN_TYPE_SINT; 889 type = 1; 890 } 891 } else if (util_format_is_pure_sint(src_format)) { 892 stype = TGSI_RETURN_TYPE_SINT; 893 if (util_format_is_pure_sint(dst_format)) { 894 dtype = TGSI_RETURN_TYPE_SINT; 895 type = 2; 896 } else { 897 assert(util_format_is_pure_uint(dst_format)); 898 dtype = TGSI_RETURN_TYPE_UINT; 899 type = 3; 900 } 901 } else { 902 assert(!util_format_is_pure_uint(dst_format) && 903 !util_format_is_pure_sint(dst_format)); 904 dtype = stype = TGSI_RETURN_TYPE_FLOAT; 905 type = 4; 906 } 907 908 if (src_nr_samples > 1) { 909 void **shader; 910 911 /* OpenGL requires that integer textures just copy 1 sample instead 912 * of averaging. 913 */ 914 if (dst_nr_samples <= 1 && 915 stype != TGSI_RETURN_TYPE_UINT && 916 stype != TGSI_RETURN_TYPE_SINT) { 917 /* The destination has one sample, so we'll do color resolve. */ 918 unsigned index = GET_MSAA_RESOLVE_FS_IDX(src_nr_samples); 919 920 assert(filter < 2); 921 922 shader = &ctx->fs_resolve[target][index][filter]; 923 924 if (!*shader) { 925 assert(!ctx->cached_all_shaders); 926 if (filter == PIPE_TEX_FILTER_LINEAR) { 927 *shader = util_make_fs_msaa_resolve_bilinear(pipe, tgsi_tex, 928 src_nr_samples, 929 stype); 930 } 931 else { 932 *shader = util_make_fs_msaa_resolve(pipe, tgsi_tex, 933 src_nr_samples, 934 stype); 935 } 936 } 937 } 938 else { 939 /* The destination has multiple samples, we'll do 940 * an MSAA->MSAA copy. 941 */ 942 shader = &ctx->fs_texfetch_col_msaa[type][target]; 943 944 /* Create the fragment shader on-demand. */ 945 if (!*shader) { 946 assert(!ctx->cached_all_shaders); 947 *shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex, stype, dtype); 948 } 949 } 950 951 return *shader; 952 } else { 953 void **shader; 954 955 if (use_txf) 956 shader = &ctx->fs_texfetch_col[type][target][1]; 957 else 958 shader = &ctx->fs_texfetch_col[type][target][0]; 959 960 /* Create the fragment shader on-demand. */ 961 if (!*shader) { 962 assert(!ctx->cached_all_shaders); 963 *shader = util_make_fragment_tex_shader(pipe, tgsi_tex, 964 TGSI_INTERPOLATE_LINEAR, 965 stype, dtype, 966 ctx->has_tex_lz, use_txf); 967 } 968 969 return *shader; 970 } 971 } 972 973 static inline 974 void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx, 975 enum pipe_texture_target target, 976 unsigned nr_samples, 977 bool use_txf) 978 { 979 struct pipe_context *pipe = ctx->base.pipe; 980 981 assert(target < PIPE_MAX_TEXTURE_TYPES); 982 983 if (nr_samples > 1) { 984 void **shader = &ctx->fs_texfetch_depth_msaa[target]; 985 986 /* Create the fragment shader on-demand. */ 987 if (!*shader) { 988 enum tgsi_texture_type tgsi_tex; 989 assert(!ctx->cached_all_shaders); 990 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, nr_samples); 991 *shader = util_make_fs_blit_msaa_depth(pipe, tgsi_tex); 992 } 993 994 return *shader; 995 } else { 996 void **shader; 997 998 if (use_txf) 999 shader = &ctx->fs_texfetch_depth[target][1]; 1000 else 1001 shader = &ctx->fs_texfetch_depth[target][0]; 1002 1003 /* Create the fragment shader on-demand. */ 1004 if (!*shader) { 1005 enum tgsi_texture_type tgsi_tex; 1006 assert(!ctx->cached_all_shaders); 1007 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); 1008 *shader = 1009 util_make_fragment_tex_shader_writedepth(pipe, tgsi_tex, 1010 TGSI_INTERPOLATE_LINEAR, 1011 ctx->has_tex_lz, use_txf); 1012 } 1013 1014 return *shader; 1015 } 1016 } 1017 1018 static inline 1019 void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx, 1020 enum pipe_texture_target target, 1021 unsigned nr_samples, 1022 bool use_txf) 1023 { 1024 struct pipe_context *pipe = ctx->base.pipe; 1025 1026 assert(target < PIPE_MAX_TEXTURE_TYPES); 1027 1028 if (nr_samples > 1) { 1029 void **shader = &ctx->fs_texfetch_depthstencil_msaa[target]; 1030 1031 /* Create the fragment shader on-demand. */ 1032 if (!*shader) { 1033 enum tgsi_texture_type tgsi_tex; 1034 assert(!ctx->cached_all_shaders); 1035 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, nr_samples); 1036 *shader = util_make_fs_blit_msaa_depthstencil(pipe, tgsi_tex); 1037 } 1038 1039 return *shader; 1040 } else { 1041 void **shader; 1042 1043 if (use_txf) 1044 shader = &ctx->fs_texfetch_depthstencil[target][1]; 1045 else 1046 shader = &ctx->fs_texfetch_depthstencil[target][0]; 1047 1048 /* Create the fragment shader on-demand. */ 1049 if (!*shader) { 1050 enum tgsi_texture_type tgsi_tex; 1051 assert(!ctx->cached_all_shaders); 1052 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); 1053 *shader = 1054 util_make_fragment_tex_shader_writedepthstencil(pipe, tgsi_tex, 1055 TGSI_INTERPOLATE_LINEAR, 1056 ctx->has_tex_lz, 1057 use_txf); 1058 } 1059 1060 return *shader; 1061 } 1062 } 1063 1064 static inline 1065 void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx, 1066 enum pipe_texture_target target, 1067 unsigned nr_samples, 1068 bool use_txf) 1069 { 1070 struct pipe_context *pipe = ctx->base.pipe; 1071 1072 assert(target < PIPE_MAX_TEXTURE_TYPES); 1073 1074 if (nr_samples > 1) { 1075 void **shader = &ctx->fs_texfetch_stencil_msaa[target]; 1076 1077 /* Create the fragment shader on-demand. */ 1078 if (!*shader) { 1079 enum tgsi_texture_type tgsi_tex; 1080 assert(!ctx->cached_all_shaders); 1081 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, nr_samples); 1082 *shader = util_make_fs_blit_msaa_stencil(pipe, tgsi_tex); 1083 } 1084 1085 return *shader; 1086 } else { 1087 void **shader; 1088 1089 if (use_txf) 1090 shader = &ctx->fs_texfetch_stencil[target][1]; 1091 else 1092 shader = &ctx->fs_texfetch_stencil[target][0]; 1093 1094 /* Create the fragment shader on-demand. */ 1095 if (!*shader) { 1096 enum tgsi_texture_type tgsi_tex; 1097 assert(!ctx->cached_all_shaders); 1098 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); 1099 *shader = 1100 util_make_fragment_tex_shader_writestencil(pipe, tgsi_tex, 1101 TGSI_INTERPOLATE_LINEAR, 1102 ctx->has_tex_lz, use_txf); 1103 } 1104 1105 return *shader; 1106 } 1107 } 1108 1109 1110 /** 1111 * Generate and save all fragment shaders that we will ever need for 1112 * blitting. Drivers which use the 'draw' fallbacks will typically use 1113 * this to make sure we generate/use shaders that don't go through the 1114 * draw module's wrapper functions. 1115 */ 1116 void util_blitter_cache_all_shaders(struct blitter_context *blitter) 1117 { 1118 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1119 struct pipe_context *pipe = blitter->pipe; 1120 struct pipe_screen *screen = pipe->screen; 1121 unsigned samples, j, f, target, max_samples, use_txf; 1122 bool has_arraytex, has_cubearraytex; 1123 1124 max_samples = ctx->has_texture_multisample ? 2 : 1; 1125 has_arraytex = screen->get_param(screen, 1126 PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS) != 0; 1127 has_cubearraytex = screen->get_param(screen, 1128 PIPE_CAP_CUBE_MAP_ARRAY) != 0; 1129 1130 /* It only matters if i <= 1 or > 1. */ 1131 for (samples = 1; samples <= max_samples; samples++) { 1132 for (target = PIPE_TEXTURE_1D; target < PIPE_MAX_TEXTURE_TYPES; target++) { 1133 for (use_txf = 0; use_txf <= ctx->has_txf; use_txf++) { 1134 if (!has_arraytex && 1135 (target == PIPE_TEXTURE_1D_ARRAY || 1136 target == PIPE_TEXTURE_2D_ARRAY)) { 1137 continue; 1138 } 1139 if (!has_cubearraytex && 1140 (target == PIPE_TEXTURE_CUBE_ARRAY)) 1141 continue; 1142 1143 if (samples > 1 && 1144 (target != PIPE_TEXTURE_2D && 1145 target != PIPE_TEXTURE_2D_ARRAY)) 1146 continue; 1147 1148 if (samples > 1 && use_txf) 1149 continue; /* TXF is the only option, use_txf has no effect */ 1150 1151 /* If samples == 1, the shaders read one texel. If samples >= 1, 1152 * they read one sample. 1153 */ 1154 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT, 1155 PIPE_FORMAT_R32_FLOAT, target, 1156 samples, samples, 0, use_txf); 1157 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT, 1158 PIPE_FORMAT_R32_UINT, target, 1159 samples, samples, 0, use_txf); 1160 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT, 1161 PIPE_FORMAT_R32_SINT, target, 1162 samples, samples, 0, use_txf); 1163 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT, 1164 PIPE_FORMAT_R32_SINT, target, 1165 samples, samples, 0, use_txf); 1166 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT, 1167 PIPE_FORMAT_R32_UINT, target, 1168 samples, samples, 0, use_txf); 1169 blitter_get_fs_texfetch_depth(ctx, target, samples, use_txf); 1170 if (ctx->has_stencil_export) { 1171 blitter_get_fs_texfetch_depthstencil(ctx, target, samples, use_txf); 1172 blitter_get_fs_texfetch_stencil(ctx, target, samples, use_txf); 1173 } 1174 1175 if (samples == 1) 1176 continue; 1177 1178 /* MSAA resolve shaders. */ 1179 for (j = 2; j < 32; j++) { 1180 if (!screen->is_format_supported(screen, PIPE_FORMAT_R32_FLOAT, 1181 target, j, 1182 PIPE_BIND_SAMPLER_VIEW)) { 1183 continue; 1184 } 1185 1186 for (f = 0; f < 2; f++) { 1187 if (f != PIPE_TEX_FILTER_NEAREST && use_txf) 1188 continue; 1189 1190 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT, 1191 PIPE_FORMAT_R32_FLOAT, target, 1192 j, 1, f, use_txf); 1193 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT, 1194 PIPE_FORMAT_R32_UINT, target, 1195 j, 1, f, use_txf); 1196 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT, 1197 PIPE_FORMAT_R32_SINT, target, 1198 j, 1, f, use_txf); 1199 } 1200 } 1201 } 1202 } 1203 } 1204 1205 ctx->fs_empty = util_make_empty_fragment_shader(pipe); 1206 1207 ctx->fs_write_one_cbuf = 1208 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, 1209 TGSI_INTERPOLATE_CONSTANT, false); 1210 1211 ctx->fs_write_all_cbufs = 1212 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, 1213 TGSI_INTERPOLATE_CONSTANT, true); 1214 1215 ctx->cached_all_shaders = true; 1216 } 1217 1218 static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx, 1219 bool scissor) 1220 { 1221 struct pipe_context *pipe = ctx->base.pipe; 1222 1223 pipe->bind_rasterizer_state(pipe, scissor ? ctx->rs_state_scissor 1224 : ctx->rs_state); 1225 if (ctx->has_geometry_shader) 1226 pipe->bind_gs_state(pipe, NULL); 1227 if (ctx->has_tessellation) { 1228 pipe->bind_tcs_state(pipe, NULL); 1229 pipe->bind_tes_state(pipe, NULL); 1230 } 1231 if (ctx->has_stream_out) 1232 pipe->set_stream_output_targets(pipe, 0, NULL, NULL); 1233 } 1234 1235 static void blitter_draw(struct blitter_context_priv *ctx, 1236 void *vertex_elements_cso, 1237 blitter_get_vs_func get_vs, 1238 int x1, int y1, int x2, int y2, float depth, 1239 unsigned num_instances) 1240 { 1241 struct pipe_context *pipe = ctx->base.pipe; 1242 struct pipe_vertex_buffer vb = {0}; 1243 1244 blitter_set_rectangle(ctx, x1, y1, x2, y2, depth); 1245 1246 vb.stride = 8 * sizeof(float); 1247 1248 u_upload_data(pipe->stream_uploader, 0, sizeof(ctx->vertices), 4, ctx->vertices, 1249 &vb.buffer_offset, &vb.buffer.resource); 1250 if (!vb.buffer.resource) 1251 return; 1252 u_upload_unmap(pipe->stream_uploader); 1253 1254 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); 1255 pipe->bind_vertex_elements_state(pipe, vertex_elements_cso); 1256 pipe->bind_vs_state(pipe, get_vs(&ctx->base)); 1257 util_draw_arrays_instanced(pipe, PIPE_PRIM_TRIANGLE_FAN, 0, 4, 1258 0, num_instances); 1259 pipe_resource_reference(&vb.buffer.resource, NULL); 1260 } 1261 1262 void util_blitter_draw_rectangle(struct blitter_context *blitter, 1263 void *vertex_elements_cso, 1264 blitter_get_vs_func get_vs, 1265 int x1, int y1, int x2, int y2, 1266 float depth, unsigned num_instances, 1267 enum blitter_attrib_type type, 1268 const union blitter_attrib *attrib) 1269 { 1270 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1271 unsigned i; 1272 1273 switch (type) { 1274 case UTIL_BLITTER_ATTRIB_COLOR: 1275 blitter_set_clear_color(ctx, attrib->color); 1276 break; 1277 1278 case UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW: 1279 for (i = 0; i < 4; i++) { 1280 ctx->vertices[i][1][2] = attrib->texcoord.z; 1281 ctx->vertices[i][1][3] = attrib->texcoord.w; 1282 } 1283 /* fall through */ 1284 case UTIL_BLITTER_ATTRIB_TEXCOORD_XY: 1285 set_texcoords_in_vertices(attrib, &ctx->vertices[0][1][0], 8); 1286 break; 1287 1288 default:; 1289 } 1290 1291 blitter_draw(ctx, vertex_elements_cso, get_vs, x1, y1, x2, y2, depth, 1292 num_instances); 1293 } 1294 1295 static void *get_clear_blend_state(struct blitter_context_priv *ctx, 1296 unsigned clear_buffers) 1297 { 1298 struct pipe_context *pipe = ctx->base.pipe; 1299 int index; 1300 1301 clear_buffers &= PIPE_CLEAR_COLOR; 1302 1303 /* Return an existing blend state. */ 1304 if (!clear_buffers) 1305 return ctx->blend[0][0]; 1306 1307 index = GET_CLEAR_BLEND_STATE_IDX(clear_buffers); 1308 1309 if (ctx->blend_clear[index]) 1310 return ctx->blend_clear[index]; 1311 1312 /* Create a new one. */ 1313 { 1314 struct pipe_blend_state blend = {0}; 1315 unsigned i; 1316 1317 blend.independent_blend_enable = 1; 1318 1319 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { 1320 if (clear_buffers & (PIPE_CLEAR_COLOR0 << i)) { 1321 blend.rt[i].colormask = PIPE_MASK_RGBA; 1322 } 1323 } 1324 1325 ctx->blend_clear[index] = pipe->create_blend_state(pipe, &blend); 1326 } 1327 return ctx->blend_clear[index]; 1328 } 1329 1330 void util_blitter_common_clear_setup(struct blitter_context *blitter, 1331 unsigned width, unsigned height, 1332 unsigned clear_buffers, 1333 void *custom_blend, void *custom_dsa) 1334 { 1335 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1336 struct pipe_context *pipe = ctx->base.pipe; 1337 1338 util_blitter_set_running_flag(blitter); 1339 blitter_check_saved_vertex_states(ctx); 1340 blitter_check_saved_fragment_states(ctx); 1341 blitter_disable_render_cond(ctx); 1342 1343 /* bind states */ 1344 if (custom_blend) { 1345 pipe->bind_blend_state(pipe, custom_blend); 1346 } else { 1347 pipe->bind_blend_state(pipe, get_clear_blend_state(ctx, clear_buffers)); 1348 } 1349 1350 if (custom_dsa) { 1351 pipe->bind_depth_stencil_alpha_state(pipe, custom_dsa); 1352 } else if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { 1353 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 1354 } else if (clear_buffers & PIPE_CLEAR_DEPTH) { 1355 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); 1356 } else if (clear_buffers & PIPE_CLEAR_STENCIL) { 1357 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 1358 } else { 1359 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1360 } 1361 1362 pipe->set_sample_mask(pipe, ~0); 1363 blitter_set_dst_dimensions(ctx, width, height); 1364 } 1365 1366 static void util_blitter_clear_custom(struct blitter_context *blitter, 1367 unsigned width, unsigned height, 1368 unsigned num_layers, 1369 unsigned clear_buffers, 1370 const union pipe_color_union *color, 1371 double depth, unsigned stencil, 1372 void *custom_blend, void *custom_dsa) 1373 { 1374 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1375 struct pipe_context *pipe = ctx->base.pipe; 1376 struct pipe_stencil_ref sr = { { 0 } }; 1377 1378 assert(ctx->has_layered || num_layers <= 1); 1379 1380 util_blitter_common_clear_setup(blitter, width, height, clear_buffers, 1381 custom_blend, custom_dsa); 1382 1383 sr.ref_value[0] = stencil & 0xff; 1384 pipe->set_stencil_ref(pipe, &sr); 1385 1386 bind_fs_write_all_cbufs(ctx); 1387 1388 union blitter_attrib attrib; 1389 memcpy(attrib.color, color->ui, sizeof(color->ui)); 1390 1391 bool pass_generic = (clear_buffers & PIPE_CLEAR_COLOR) != 0; 1392 enum blitter_attrib_type type = pass_generic ? UTIL_BLITTER_ATTRIB_COLOR : 1393 UTIL_BLITTER_ATTRIB_NONE; 1394 1395 if (num_layers > 1 && ctx->has_layered) { 1396 blitter_get_vs_func get_vs = get_vs_layered; 1397 1398 blitter_set_common_draw_rect_state(ctx, false); 1399 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs, 1400 0, 0, width, height, 1401 (float) depth, num_layers, type, &attrib); 1402 } else { 1403 blitter_get_vs_func get_vs; 1404 1405 if (pass_generic) 1406 get_vs = get_vs_passthrough_pos_generic; 1407 else 1408 get_vs = get_vs_passthrough_pos; 1409 1410 blitter_set_common_draw_rect_state(ctx, false); 1411 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs, 1412 0, 0, width, height, 1413 (float) depth, 1, type, &attrib); 1414 } 1415 1416 util_blitter_restore_vertex_states(blitter); 1417 util_blitter_restore_fragment_states(blitter); 1418 util_blitter_restore_render_cond(blitter); 1419 util_blitter_unset_running_flag(blitter); 1420 } 1421 1422 void util_blitter_clear(struct blitter_context *blitter, 1423 unsigned width, unsigned height, unsigned num_layers, 1424 unsigned clear_buffers, 1425 const union pipe_color_union *color, 1426 double depth, unsigned stencil) 1427 { 1428 util_blitter_clear_custom(blitter, width, height, num_layers, 1429 clear_buffers, color, depth, stencil, 1430 NULL, NULL); 1431 } 1432 1433 void util_blitter_custom_clear_depth(struct blitter_context *blitter, 1434 unsigned width, unsigned height, 1435 double depth, void *custom_dsa) 1436 { 1437 static const union pipe_color_union color; 1438 util_blitter_clear_custom(blitter, width, height, 0, 0, &color, depth, 0, 1439 NULL, custom_dsa); 1440 } 1441 1442 void util_blitter_default_dst_texture(struct pipe_surface *dst_templ, 1443 struct pipe_resource *dst, 1444 unsigned dstlevel, 1445 unsigned dstz) 1446 { 1447 memset(dst_templ, 0, sizeof(*dst_templ)); 1448 dst_templ->format = util_format_linear(dst->format); 1449 dst_templ->u.tex.level = dstlevel; 1450 dst_templ->u.tex.first_layer = dstz; 1451 dst_templ->u.tex.last_layer = dstz; 1452 } 1453 1454 static struct pipe_surface * 1455 util_blitter_get_next_surface_layer(struct pipe_context *pipe, 1456 struct pipe_surface *surf) 1457 { 1458 struct pipe_surface dst_templ; 1459 1460 memset(&dst_templ, 0, sizeof(dst_templ)); 1461 dst_templ.format = surf->format; 1462 dst_templ.u.tex.level = surf->u.tex.level; 1463 dst_templ.u.tex.first_layer = surf->u.tex.first_layer + 1; 1464 dst_templ.u.tex.last_layer = surf->u.tex.last_layer + 1; 1465 1466 return pipe->create_surface(pipe, surf->texture, &dst_templ); 1467 } 1468 1469 void util_blitter_default_src_texture(struct blitter_context *blitter, 1470 struct pipe_sampler_view *src_templ, 1471 struct pipe_resource *src, 1472 unsigned srclevel) 1473 { 1474 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1475 1476 memset(src_templ, 0, sizeof(*src_templ)); 1477 1478 if (ctx->cube_as_2darray && 1479 (src->target == PIPE_TEXTURE_CUBE || 1480 src->target == PIPE_TEXTURE_CUBE_ARRAY)) 1481 src_templ->target = PIPE_TEXTURE_2D_ARRAY; 1482 else 1483 src_templ->target = src->target; 1484 1485 src_templ->format = util_format_linear(src->format); 1486 src_templ->u.tex.first_level = srclevel; 1487 src_templ->u.tex.last_level = srclevel; 1488 src_templ->u.tex.first_layer = 0; 1489 src_templ->u.tex.last_layer = 1490 src->target == PIPE_TEXTURE_3D ? u_minify(src->depth0, srclevel) - 1 1491 : (unsigned)(src->array_size - 1); 1492 src_templ->swizzle_r = PIPE_SWIZZLE_X; 1493 src_templ->swizzle_g = PIPE_SWIZZLE_Y; 1494 src_templ->swizzle_b = PIPE_SWIZZLE_Z; 1495 src_templ->swizzle_a = PIPE_SWIZZLE_W; 1496 } 1497 1498 static bool is_blit_generic_supported(struct blitter_context *blitter, 1499 const struct pipe_resource *dst, 1500 enum pipe_format dst_format, 1501 const struct pipe_resource *src, 1502 enum pipe_format src_format, 1503 unsigned mask) 1504 { 1505 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1506 struct pipe_screen *screen = ctx->base.pipe->screen; 1507 1508 if (dst) { 1509 unsigned bind; 1510 const struct util_format_description *desc = 1511 util_format_description(dst_format); 1512 bool dst_has_stencil = util_format_has_stencil(desc); 1513 1514 /* Stencil export must be supported for stencil copy. */ 1515 if ((mask & PIPE_MASK_S) && dst_has_stencil && 1516 !ctx->has_stencil_export) { 1517 return false; 1518 } 1519 1520 if (dst_has_stencil || util_format_has_depth(desc)) 1521 bind = PIPE_BIND_DEPTH_STENCIL; 1522 else 1523 bind = PIPE_BIND_RENDER_TARGET; 1524 1525 if (!screen->is_format_supported(screen, dst_format, dst->target, 1526 dst->nr_samples, bind)) { 1527 return false; 1528 } 1529 } 1530 1531 if (src) { 1532 if (src->nr_samples > 1 && !ctx->has_texture_multisample) { 1533 return false; 1534 } 1535 1536 if (!screen->is_format_supported(screen, src_format, src->target, 1537 src->nr_samples, PIPE_BIND_SAMPLER_VIEW)) { 1538 return false; 1539 } 1540 1541 /* Check stencil sampler support for stencil copy. */ 1542 if (mask & PIPE_MASK_S) { 1543 if (util_format_has_stencil(util_format_description(src_format))) { 1544 enum pipe_format stencil_format = 1545 util_format_stencil_only(src_format); 1546 assert(stencil_format != PIPE_FORMAT_NONE); 1547 1548 if (stencil_format != src_format && 1549 !screen->is_format_supported(screen, stencil_format, 1550 src->target, src->nr_samples, 1551 PIPE_BIND_SAMPLER_VIEW)) { 1552 return false; 1553 } 1554 } 1555 } 1556 } 1557 1558 return true; 1559 } 1560 1561 bool util_blitter_is_copy_supported(struct blitter_context *blitter, 1562 const struct pipe_resource *dst, 1563 const struct pipe_resource *src) 1564 { 1565 return is_blit_generic_supported(blitter, dst, dst->format, 1566 src, src->format, PIPE_MASK_RGBAZS); 1567 } 1568 1569 bool util_blitter_is_blit_supported(struct blitter_context *blitter, 1570 const struct pipe_blit_info *info) 1571 { 1572 return is_blit_generic_supported(blitter, 1573 info->dst.resource, info->dst.format, 1574 info->src.resource, info->src.format, 1575 info->mask); 1576 } 1577 1578 void util_blitter_copy_texture(struct blitter_context *blitter, 1579 struct pipe_resource *dst, 1580 unsigned dst_level, 1581 unsigned dstx, unsigned dsty, unsigned dstz, 1582 struct pipe_resource *src, 1583 unsigned src_level, 1584 const struct pipe_box *srcbox) 1585 { 1586 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1587 struct pipe_context *pipe = ctx->base.pipe; 1588 struct pipe_surface *dst_view, dst_templ; 1589 struct pipe_sampler_view src_templ, *src_view; 1590 struct pipe_box dstbox; 1591 1592 assert(dst && src); 1593 assert(src->target < PIPE_MAX_TEXTURE_TYPES); 1594 1595 u_box_3d(dstx, dsty, dstz, abs(srcbox->width), abs(srcbox->height), 1596 abs(srcbox->depth), &dstbox); 1597 1598 /* Initialize the surface. */ 1599 util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz); 1600 dst_view = pipe->create_surface(pipe, dst, &dst_templ); 1601 1602 /* Initialize the sampler view. */ 1603 util_blitter_default_src_texture(blitter, &src_templ, src, src_level); 1604 src_view = pipe->create_sampler_view(pipe, src, &src_templ); 1605 1606 /* Copy. */ 1607 util_blitter_blit_generic(blitter, dst_view, &dstbox, 1608 src_view, srcbox, src->width0, src->height0, 1609 PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL, 1610 false); 1611 1612 pipe_surface_reference(&dst_view, NULL); 1613 pipe_sampler_view_reference(&src_view, NULL); 1614 } 1615 1616 static void 1617 blitter_draw_tex(struct blitter_context_priv *ctx, 1618 int dst_x1, int dst_y1, int dst_x2, int dst_y2, 1619 struct pipe_sampler_view *src, 1620 unsigned src_width0, unsigned src_height0, 1621 int src_x1, int src_y1, int src_x2, int src_y2, 1622 float layer, unsigned sample, 1623 bool uses_txf, enum blitter_attrib_type type) 1624 { 1625 union blitter_attrib coord; 1626 blitter_get_vs_func get_vs = get_vs_passthrough_pos_generic; 1627 1628 get_texcoords(src, src_width0, src_height0, 1629 src_x1, src_y1, src_x2, src_y2, layer, sample, 1630 uses_txf, &coord); 1631 1632 if (src->target == PIPE_TEXTURE_CUBE || 1633 src->target == PIPE_TEXTURE_CUBE_ARRAY) { 1634 float face_coord[4][2]; 1635 1636 set_texcoords_in_vertices(&coord, &face_coord[0][0], 2); 1637 util_map_texcoords2d_onto_cubemap((unsigned)layer % 6, 1638 /* pointer, stride in floats */ 1639 &face_coord[0][0], 2, 1640 &ctx->vertices[0][1][0], 8, 1641 false); 1642 for (unsigned i = 0; i < 4; i++) 1643 ctx->vertices[i][1][3] = coord.texcoord.w; 1644 1645 /* Cubemaps don't use draw_rectangle. */ 1646 blitter_draw(ctx, ctx->velem_state, get_vs, 1647 dst_x1, dst_y1, dst_x2, dst_y2, 0, 1); 1648 } else { 1649 ctx->base.draw_rectangle(&ctx->base, ctx->velem_state, get_vs, 1650 dst_x1, dst_y1, dst_x2, dst_y2, 1651 0, 1, type, &coord); 1652 } 1653 } 1654 1655 static void do_blits(struct blitter_context_priv *ctx, 1656 struct pipe_surface *dst, 1657 const struct pipe_box *dstbox, 1658 struct pipe_sampler_view *src, 1659 unsigned src_width0, 1660 unsigned src_height0, 1661 const struct pipe_box *srcbox, 1662 bool is_zsbuf, 1663 bool uses_txf) 1664 { 1665 struct pipe_context *pipe = ctx->base.pipe; 1666 unsigned src_samples = src->texture->nr_samples; 1667 unsigned dst_samples = dst->texture->nr_samples; 1668 enum pipe_texture_target src_target = src->target; 1669 struct pipe_framebuffer_state fb_state = {0}; 1670 1671 /* Initialize framebuffer state. */ 1672 fb_state.width = dst->width; 1673 fb_state.height = dst->height; 1674 fb_state.nr_cbufs = is_zsbuf ? 0 : 1; 1675 1676 blitter_set_dst_dimensions(ctx, fb_state.width, fb_state.height); 1677 1678 if ((src_target == PIPE_TEXTURE_1D || 1679 src_target == PIPE_TEXTURE_2D || 1680 src_target == PIPE_TEXTURE_RECT) && 1681 src_samples <= 1) { 1682 /* Set framebuffer state. */ 1683 if (is_zsbuf) { 1684 fb_state.zsbuf = dst; 1685 } else { 1686 fb_state.cbufs[0] = dst; 1687 } 1688 pipe->set_framebuffer_state(pipe, &fb_state); 1689 1690 /* Draw. */ 1691 pipe->set_sample_mask(pipe, ~0); 1692 blitter_draw_tex(ctx, dstbox->x, dstbox->y, 1693 dstbox->x + dstbox->width, 1694 dstbox->y + dstbox->height, 1695 src, src_width0, src_height0, srcbox->x, srcbox->y, 1696 srcbox->x + srcbox->width, srcbox->y + srcbox->height, 1697 0, 0, uses_txf, UTIL_BLITTER_ATTRIB_TEXCOORD_XY); 1698 } else { 1699 /* Draw the quad with the generic codepath. */ 1700 int dst_z; 1701 for (dst_z = 0; dst_z < dstbox->depth; dst_z++) { 1702 struct pipe_surface *old; 1703 float dst2src_scale = srcbox->depth / (float)dstbox->depth; 1704 1705 /* Scale Z properly if the blit is scaled. 1706 * 1707 * When downscaling, we want the coordinates centered, so that 1708 * mipmapping works for 3D textures. For example, when generating 1709 * a 4x4x4 level, this wouldn't average the pixels: 1710 * 1711 * src Z: 0 1 2 3 4 5 6 7 1712 * dst Z: 0 1 2 3 1713 * 1714 * Because the pixels are not centered below the pixels of the higher 1715 * level. Therefore, we want this: 1716 * src Z: 0 1 2 3 4 5 6 7 1717 * dst Z: 0 1 2 3 1718 * 1719 * dst_offset defines the offset needed for centering the pixels and 1720 * it works with any scaling (not just 2x). 1721 */ 1722 float dst_offset = ((srcbox->depth - 1) - 1723 (dstbox->depth - 1) * dst2src_scale) * 0.5; 1724 float src_z = (dst_z + dst_offset) * dst2src_scale; 1725 1726 /* Set framebuffer state. */ 1727 if (is_zsbuf) { 1728 fb_state.zsbuf = dst; 1729 } else { 1730 fb_state.cbufs[0] = dst; 1731 } 1732 pipe->set_framebuffer_state(pipe, &fb_state); 1733 1734 /* See if we need to blit a multisample or singlesample buffer. */ 1735 if (src_samples == dst_samples && dst_samples > 1) { 1736 /* MSAA copy. */ 1737 unsigned i, max_sample = dst_samples - 1; 1738 1739 for (i = 0; i <= max_sample; i++) { 1740 pipe->set_sample_mask(pipe, 1 << i); 1741 blitter_draw_tex(ctx, dstbox->x, dstbox->y, 1742 dstbox->x + dstbox->width, 1743 dstbox->y + dstbox->height, 1744 src, src_width0, src_height0, 1745 srcbox->x, srcbox->y, 1746 srcbox->x + srcbox->width, 1747 srcbox->y + srcbox->height, 1748 srcbox->z + src_z, i, uses_txf, 1749 UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW); 1750 } 1751 } else { 1752 /* Normal copy, MSAA upsampling, or MSAA resolve. */ 1753 pipe->set_sample_mask(pipe, ~0); 1754 blitter_draw_tex(ctx, dstbox->x, dstbox->y, 1755 dstbox->x + dstbox->width, 1756 dstbox->y + dstbox->height, 1757 src, src_width0, src_height0, 1758 srcbox->x, srcbox->y, 1759 srcbox->x + srcbox->width, 1760 srcbox->y + srcbox->height, 1761 srcbox->z + src_z, 0, uses_txf, 1762 UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW); 1763 } 1764 1765 /* Get the next surface or (if this is the last iteration) 1766 * just unreference the last one. */ 1767 old = dst; 1768 if (dst_z < dstbox->depth-1) { 1769 dst = util_blitter_get_next_surface_layer(ctx->base.pipe, dst); 1770 } 1771 if (dst_z) { 1772 pipe_surface_reference(&old, NULL); 1773 } 1774 } 1775 } 1776 } 1777 1778 void util_blitter_blit_generic(struct blitter_context *blitter, 1779 struct pipe_surface *dst, 1780 const struct pipe_box *dstbox, 1781 struct pipe_sampler_view *src, 1782 const struct pipe_box *srcbox, 1783 unsigned src_width0, unsigned src_height0, 1784 unsigned mask, unsigned filter, 1785 const struct pipe_scissor_state *scissor, 1786 bool alpha_blend) 1787 { 1788 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1789 struct pipe_context *pipe = ctx->base.pipe; 1790 enum pipe_texture_target src_target = src->target; 1791 unsigned src_samples = src->texture->nr_samples; 1792 unsigned dst_samples = dst->texture->nr_samples; 1793 bool has_depth, has_stencil, has_color; 1794 bool blit_stencil, blit_depth, blit_color; 1795 void *sampler_state; 1796 const struct util_format_description *src_desc = 1797 util_format_description(src->format); 1798 const struct util_format_description *dst_desc = 1799 util_format_description(dst->format); 1800 1801 has_color = src_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS && 1802 dst_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS; 1803 has_depth = util_format_has_depth(src_desc) && 1804 util_format_has_depth(dst_desc); 1805 has_stencil = util_format_has_stencil(src_desc) && 1806 util_format_has_stencil(dst_desc); 1807 1808 blit_color = has_color && (mask & PIPE_MASK_RGBA); 1809 blit_depth = has_depth && (mask & PIPE_MASK_Z); 1810 blit_stencil = has_stencil && (mask & PIPE_MASK_S) && 1811 ctx->has_stencil_export; 1812 1813 if (!blit_stencil && !blit_depth && !blit_color) { 1814 return; 1815 } 1816 1817 bool is_scaled = dstbox->width != abs(srcbox->width) || 1818 dstbox->height != abs(srcbox->height); 1819 1820 if (blit_stencil || !is_scaled) 1821 filter = PIPE_TEX_FILTER_NEAREST; 1822 1823 bool use_txf = false; 1824 1825 /* Don't support scaled blits. The TXF shader uses F2I for rounding. */ 1826 if (ctx->has_txf && 1827 !is_scaled && 1828 filter == PIPE_TEX_FILTER_NEAREST && 1829 src->target != PIPE_TEXTURE_CUBE && 1830 src->target != PIPE_TEXTURE_CUBE_ARRAY) { 1831 int src_width = u_minify(src_width0, src->u.tex.first_level); 1832 int src_height = u_minify(src_height0, src->u.tex.first_level); 1833 int src_depth = src->u.tex.last_layer + 1; 1834 struct pipe_box box = *srcbox; 1835 1836 /* Eliminate negative width/height/depth. */ 1837 if (box.width < 0) { 1838 box.x += box.width; 1839 box.width *= -1; 1840 } 1841 if (box.height < 0) { 1842 box.y += box.height; 1843 box.height *= -1; 1844 } 1845 if (box.depth < 0) { 1846 box.z += box.depth; 1847 box.depth *= -1; 1848 } 1849 1850 /* See if srcbox is in bounds. TXF doesn't clamp the coordinates. */ 1851 use_txf = 1852 box.x >= 0 && box.x < src_width && 1853 box.y >= 0 && box.y < src_height && 1854 box.z >= 0 && box.z < src_depth && 1855 box.x + box.width > 0 && box.x + box.width <= src_width && 1856 box.y + box.height > 0 && box.y + box.height <= src_height && 1857 box.z + box.depth > 0 && box.z + box.depth <= src_depth; 1858 } 1859 1860 /* Check whether the states are properly saved. */ 1861 util_blitter_set_running_flag(blitter); 1862 blitter_check_saved_vertex_states(ctx); 1863 blitter_check_saved_fragment_states(ctx); 1864 blitter_check_saved_textures(ctx); 1865 blitter_check_saved_fb_state(ctx); 1866 blitter_disable_render_cond(ctx); 1867 1868 if (blit_depth || blit_stencil) { 1869 pipe->bind_blend_state(pipe, ctx->blend[0][0]); 1870 1871 if (blit_depth && blit_stencil) { 1872 pipe->bind_depth_stencil_alpha_state(pipe, 1873 ctx->dsa_write_depth_stencil); 1874 ctx->bind_fs_state(pipe, 1875 blitter_get_fs_texfetch_depthstencil(ctx, src_target, 1876 src_samples, use_txf)); 1877 } else if (blit_depth) { 1878 pipe->bind_depth_stencil_alpha_state(pipe, 1879 ctx->dsa_write_depth_keep_stencil); 1880 ctx->bind_fs_state(pipe, 1881 blitter_get_fs_texfetch_depth(ctx, src_target, 1882 src_samples, use_txf)); 1883 } else { /* is_stencil */ 1884 pipe->bind_depth_stencil_alpha_state(pipe, 1885 ctx->dsa_keep_depth_write_stencil); 1886 ctx->bind_fs_state(pipe, 1887 blitter_get_fs_texfetch_stencil(ctx, src_target, 1888 src_samples, use_txf)); 1889 } 1890 1891 } else { 1892 unsigned colormask = mask & PIPE_MASK_RGBA; 1893 1894 pipe->bind_blend_state(pipe, ctx->blend[colormask][alpha_blend]); 1895 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1896 ctx->bind_fs_state(pipe, 1897 blitter_get_fs_texfetch_col(ctx, src->format, dst->format, src_target, 1898 src_samples, dst_samples, filter, 1899 use_txf)); 1900 } 1901 1902 /* Set the linear filter only for scaled color non-MSAA blits. */ 1903 if (filter == PIPE_TEX_FILTER_LINEAR) { 1904 if (src_target == PIPE_TEXTURE_RECT) { 1905 sampler_state = ctx->sampler_state_rect_linear; 1906 } else { 1907 sampler_state = ctx->sampler_state_linear; 1908 } 1909 } else { 1910 if (src_target == PIPE_TEXTURE_RECT) { 1911 sampler_state = ctx->sampler_state_rect; 1912 } else { 1913 sampler_state = ctx->sampler_state; 1914 } 1915 } 1916 1917 /* Set samplers. */ 1918 if (blit_depth && blit_stencil) { 1919 /* Setup two samplers, one for depth and the other one for stencil. */ 1920 struct pipe_sampler_view templ; 1921 struct pipe_sampler_view *views[2]; 1922 void *samplers[2] = {sampler_state, sampler_state}; 1923 1924 templ = *src; 1925 templ.format = util_format_stencil_only(templ.format); 1926 assert(templ.format != PIPE_FORMAT_NONE); 1927 1928 views[0] = src; 1929 views[1] = pipe->create_sampler_view(pipe, src->texture, &templ); 1930 1931 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 2, views); 1932 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 2, samplers); 1933 1934 pipe_sampler_view_reference(&views[1], NULL); 1935 } else if (blit_stencil) { 1936 /* Set a stencil-only sampler view for it not to sample depth instead. */ 1937 struct pipe_sampler_view templ; 1938 struct pipe_sampler_view *view; 1939 1940 templ = *src; 1941 templ.format = util_format_stencil_only(templ.format); 1942 assert(templ.format != PIPE_FORMAT_NONE); 1943 1944 view = pipe->create_sampler_view(pipe, src->texture, &templ); 1945 1946 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &view); 1947 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 1948 0, 1, &sampler_state); 1949 1950 pipe_sampler_view_reference(&view, NULL); 1951 } else { 1952 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &src); 1953 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 1954 0, 1, &sampler_state); 1955 } 1956 1957 if (scissor) { 1958 pipe->set_scissor_states(pipe, 0, 1, scissor); 1959 } 1960 1961 blitter_set_common_draw_rect_state(ctx, scissor != NULL); 1962 1963 do_blits(ctx, dst, dstbox, src, src_width0, src_height0, 1964 srcbox, blit_depth || blit_stencil, use_txf); 1965 1966 util_blitter_restore_vertex_states(blitter); 1967 util_blitter_restore_fragment_states(blitter); 1968 util_blitter_restore_textures(blitter); 1969 util_blitter_restore_fb_state(blitter); 1970 if (scissor) { 1971 pipe->set_scissor_states(pipe, 0, 1, &ctx->base.saved_scissor); 1972 } 1973 util_blitter_restore_render_cond(blitter); 1974 util_blitter_unset_running_flag(blitter); 1975 } 1976 1977 void 1978 util_blitter_blit(struct blitter_context *blitter, 1979 const struct pipe_blit_info *info) 1980 { 1981 struct pipe_resource *dst = info->dst.resource; 1982 struct pipe_resource *src = info->src.resource; 1983 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1984 struct pipe_context *pipe = ctx->base.pipe; 1985 struct pipe_surface *dst_view, dst_templ; 1986 struct pipe_sampler_view src_templ, *src_view; 1987 1988 /* Initialize the surface. */ 1989 util_blitter_default_dst_texture(&dst_templ, dst, info->dst.level, 1990 info->dst.box.z); 1991 dst_templ.format = info->dst.format; 1992 dst_view = pipe->create_surface(pipe, dst, &dst_templ); 1993 1994 /* Initialize the sampler view. */ 1995 util_blitter_default_src_texture(blitter, &src_templ, src, info->src.level); 1996 src_templ.format = info->src.format; 1997 src_view = pipe->create_sampler_view(pipe, src, &src_templ); 1998 1999 /* Copy. */ 2000 util_blitter_blit_generic(blitter, dst_view, &info->dst.box, 2001 src_view, &info->src.box, src->width0, src->height0, 2002 info->mask, info->filter, 2003 info->scissor_enable ? &info->scissor : NULL, 2004 info->alpha_blend); 2005 2006 pipe_surface_reference(&dst_view, NULL); 2007 pipe_sampler_view_reference(&src_view, NULL); 2008 } 2009 2010 void util_blitter_generate_mipmap(struct blitter_context *blitter, 2011 struct pipe_resource *tex, 2012 enum pipe_format format, 2013 unsigned base_level, unsigned last_level, 2014 unsigned first_layer, unsigned last_layer) 2015 { 2016 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2017 struct pipe_context *pipe = ctx->base.pipe; 2018 struct pipe_surface dst_templ, *dst_view; 2019 struct pipe_sampler_view src_templ, *src_view; 2020 bool is_depth; 2021 void *sampler_state; 2022 const struct util_format_description *desc = 2023 util_format_description(format); 2024 unsigned src_level; 2025 unsigned target = tex->target; 2026 2027 if (ctx->cube_as_2darray && 2028 (target == PIPE_TEXTURE_CUBE || target == PIPE_TEXTURE_CUBE_ARRAY)) 2029 target = PIPE_TEXTURE_2D_ARRAY; 2030 2031 assert(tex->nr_samples <= 1); 2032 assert(!util_format_has_stencil(desc)); 2033 2034 is_depth = desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS; 2035 2036 /* Check whether the states are properly saved. */ 2037 util_blitter_set_running_flag(blitter); 2038 blitter_check_saved_vertex_states(ctx); 2039 blitter_check_saved_fragment_states(ctx); 2040 blitter_check_saved_textures(ctx); 2041 blitter_check_saved_fb_state(ctx); 2042 blitter_disable_render_cond(ctx); 2043 2044 /* Set states. */ 2045 if (is_depth) { 2046 pipe->bind_blend_state(pipe, ctx->blend[0][0]); 2047 pipe->bind_depth_stencil_alpha_state(pipe, 2048 ctx->dsa_write_depth_keep_stencil); 2049 ctx->bind_fs_state(pipe, 2050 blitter_get_fs_texfetch_depth(ctx, target, 1, false)); 2051 } else { 2052 pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]); 2053 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 2054 ctx->bind_fs_state(pipe, 2055 blitter_get_fs_texfetch_col(ctx, tex->format, tex->format, target, 2056 1, 1, PIPE_TEX_FILTER_LINEAR, false)); 2057 } 2058 2059 if (target == PIPE_TEXTURE_RECT) { 2060 sampler_state = ctx->sampler_state_rect_linear; 2061 } else { 2062 sampler_state = ctx->sampler_state_linear; 2063 } 2064 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 2065 0, 1, &sampler_state); 2066 2067 blitter_set_common_draw_rect_state(ctx, false); 2068 2069 for (src_level = base_level; src_level < last_level; src_level++) { 2070 struct pipe_box dstbox = {0}, srcbox = {0}; 2071 unsigned dst_level = src_level + 1; 2072 2073 dstbox.width = u_minify(tex->width0, dst_level); 2074 dstbox.height = u_minify(tex->height0, dst_level); 2075 2076 srcbox.width = u_minify(tex->width0, src_level); 2077 srcbox.height = u_minify(tex->height0, src_level); 2078 2079 if (target == PIPE_TEXTURE_3D) { 2080 dstbox.depth = util_num_layers(tex, dst_level); 2081 srcbox.depth = util_num_layers(tex, src_level); 2082 } else { 2083 dstbox.z = srcbox.z = first_layer; 2084 dstbox.depth = srcbox.depth = last_layer - first_layer + 1; 2085 } 2086 2087 /* Initialize the surface. */ 2088 util_blitter_default_dst_texture(&dst_templ, tex, dst_level, 2089 first_layer); 2090 dst_templ.format = format; 2091 dst_view = pipe->create_surface(pipe, tex, &dst_templ); 2092 2093 /* Initialize the sampler view. */ 2094 util_blitter_default_src_texture(blitter, &src_templ, tex, src_level); 2095 src_templ.format = format; 2096 src_view = pipe->create_sampler_view(pipe, tex, &src_templ); 2097 2098 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &src_view); 2099 2100 do_blits(ctx, dst_view, &dstbox, src_view, tex->width0, tex->height0, 2101 &srcbox, is_depth, false); 2102 2103 pipe_surface_reference(&dst_view, NULL); 2104 pipe_sampler_view_reference(&src_view, NULL); 2105 } 2106 2107 util_blitter_restore_vertex_states(blitter); 2108 util_blitter_restore_fragment_states(blitter); 2109 util_blitter_restore_textures(blitter); 2110 util_blitter_restore_fb_state(blitter); 2111 util_blitter_restore_render_cond(blitter); 2112 util_blitter_unset_running_flag(blitter); 2113 } 2114 2115 /* Clear a region of a color surface to a constant value. */ 2116 void util_blitter_clear_render_target(struct blitter_context *blitter, 2117 struct pipe_surface *dstsurf, 2118 const union pipe_color_union *color, 2119 unsigned dstx, unsigned dsty, 2120 unsigned width, unsigned height) 2121 { 2122 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2123 struct pipe_context *pipe = ctx->base.pipe; 2124 struct pipe_framebuffer_state fb_state; 2125 unsigned num_layers; 2126 2127 assert(dstsurf->texture); 2128 if (!dstsurf->texture) 2129 return; 2130 2131 /* check the saved state */ 2132 util_blitter_set_running_flag(blitter); 2133 blitter_check_saved_vertex_states(ctx); 2134 blitter_check_saved_fragment_states(ctx); 2135 blitter_check_saved_fb_state(ctx); 2136 blitter_disable_render_cond(ctx); 2137 2138 /* bind states */ 2139 pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]); 2140 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 2141 bind_fs_write_one_cbuf(ctx); 2142 2143 /* set a framebuffer state */ 2144 fb_state.width = dstsurf->width; 2145 fb_state.height = dstsurf->height; 2146 fb_state.nr_cbufs = 1; 2147 fb_state.cbufs[0] = dstsurf; 2148 fb_state.zsbuf = 0; 2149 pipe->set_framebuffer_state(pipe, &fb_state); 2150 pipe->set_sample_mask(pipe, ~0); 2151 2152 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 2153 2154 union blitter_attrib attrib; 2155 memcpy(attrib.color, color->ui, sizeof(color->ui)); 2156 2157 num_layers = dstsurf->u.tex.last_layer - dstsurf->u.tex.first_layer + 1; 2158 if (num_layers > 1 && ctx->has_layered) { 2159 blitter_set_common_draw_rect_state(ctx, false); 2160 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_layered, 2161 dstx, dsty, dstx+width, dsty+height, 0, 2162 num_layers, UTIL_BLITTER_ATTRIB_COLOR, &attrib); 2163 } else { 2164 blitter_set_common_draw_rect_state(ctx, false); 2165 blitter->draw_rectangle(blitter, ctx->velem_state, 2166 get_vs_passthrough_pos_generic, 2167 dstx, dsty, dstx+width, dsty+height, 0, 2168 1, UTIL_BLITTER_ATTRIB_COLOR, &attrib); 2169 } 2170 2171 util_blitter_restore_vertex_states(blitter); 2172 util_blitter_restore_fragment_states(blitter); 2173 util_blitter_restore_fb_state(blitter); 2174 util_blitter_restore_render_cond(blitter); 2175 util_blitter_unset_running_flag(blitter); 2176 } 2177 2178 /* Clear a region of a depth stencil surface. */ 2179 void util_blitter_clear_depth_stencil(struct blitter_context *blitter, 2180 struct pipe_surface *dstsurf, 2181 unsigned clear_flags, 2182 double depth, 2183 unsigned stencil, 2184 unsigned dstx, unsigned dsty, 2185 unsigned width, unsigned height) 2186 { 2187 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2188 struct pipe_context *pipe = ctx->base.pipe; 2189 struct pipe_framebuffer_state fb_state; 2190 struct pipe_stencil_ref sr = { { 0 } }; 2191 unsigned num_layers; 2192 2193 assert(dstsurf->texture); 2194 if (!dstsurf->texture) 2195 return; 2196 2197 /* check the saved state */ 2198 util_blitter_set_running_flag(blitter); 2199 blitter_check_saved_vertex_states(ctx); 2200 blitter_check_saved_fragment_states(ctx); 2201 blitter_check_saved_fb_state(ctx); 2202 blitter_disable_render_cond(ctx); 2203 2204 /* bind states */ 2205 pipe->bind_blend_state(pipe, ctx->blend[0][0]); 2206 if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { 2207 sr.ref_value[0] = stencil & 0xff; 2208 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 2209 pipe->set_stencil_ref(pipe, &sr); 2210 } 2211 else if (clear_flags & PIPE_CLEAR_DEPTH) { 2212 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); 2213 } 2214 else if (clear_flags & PIPE_CLEAR_STENCIL) { 2215 sr.ref_value[0] = stencil & 0xff; 2216 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 2217 pipe->set_stencil_ref(pipe, &sr); 2218 } 2219 else 2220 /* hmm that should be illegal probably, or make it a no-op somewhere */ 2221 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 2222 2223 bind_fs_empty(ctx); 2224 2225 /* set a framebuffer state */ 2226 fb_state.width = dstsurf->width; 2227 fb_state.height = dstsurf->height; 2228 fb_state.nr_cbufs = 0; 2229 fb_state.cbufs[0] = 0; 2230 fb_state.zsbuf = dstsurf; 2231 pipe->set_framebuffer_state(pipe, &fb_state); 2232 pipe->set_sample_mask(pipe, ~0); 2233 2234 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 2235 2236 num_layers = dstsurf->u.tex.last_layer - dstsurf->u.tex.first_layer + 1; 2237 if (num_layers > 1 && ctx->has_layered) { 2238 blitter_set_common_draw_rect_state(ctx, false); 2239 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_layered, 2240 dstx, dsty, dstx+width, dsty+height, depth, 2241 num_layers, UTIL_BLITTER_ATTRIB_NONE, NULL); 2242 } else { 2243 blitter_set_common_draw_rect_state(ctx, false); 2244 blitter->draw_rectangle(blitter, ctx->velem_state, 2245 get_vs_passthrough_pos, 2246 dstx, dsty, dstx+width, dsty+height, depth, 1, 2247 UTIL_BLITTER_ATTRIB_NONE, NULL); 2248 } 2249 2250 util_blitter_restore_vertex_states(blitter); 2251 util_blitter_restore_fragment_states(blitter); 2252 util_blitter_restore_fb_state(blitter); 2253 util_blitter_restore_render_cond(blitter); 2254 util_blitter_unset_running_flag(blitter); 2255 } 2256 2257 /* draw a rectangle across a region using a custom dsa stage - for r600g */ 2258 void util_blitter_custom_depth_stencil(struct blitter_context *blitter, 2259 struct pipe_surface *zsurf, 2260 struct pipe_surface *cbsurf, 2261 unsigned sample_mask, 2262 void *dsa_stage, float depth) 2263 { 2264 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2265 struct pipe_context *pipe = ctx->base.pipe; 2266 struct pipe_framebuffer_state fb_state; 2267 2268 assert(zsurf->texture); 2269 if (!zsurf->texture) 2270 return; 2271 2272 /* check the saved state */ 2273 util_blitter_set_running_flag(blitter); 2274 blitter_check_saved_vertex_states(ctx); 2275 blitter_check_saved_fragment_states(ctx); 2276 blitter_check_saved_fb_state(ctx); 2277 blitter_disable_render_cond(ctx); 2278 2279 /* bind states */ 2280 pipe->bind_blend_state(pipe, cbsurf ? ctx->blend[PIPE_MASK_RGBA][0] : 2281 ctx->blend[0][0]); 2282 pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage); 2283 if (cbsurf) 2284 bind_fs_write_one_cbuf(ctx); 2285 else 2286 bind_fs_empty(ctx); 2287 2288 /* set a framebuffer state */ 2289 fb_state.width = zsurf->width; 2290 fb_state.height = zsurf->height; 2291 fb_state.nr_cbufs = 1; 2292 if (cbsurf) { 2293 fb_state.cbufs[0] = cbsurf; 2294 fb_state.nr_cbufs = 1; 2295 } else { 2296 fb_state.cbufs[0] = NULL; 2297 fb_state.nr_cbufs = 0; 2298 } 2299 fb_state.zsbuf = zsurf; 2300 pipe->set_framebuffer_state(pipe, &fb_state); 2301 pipe->set_sample_mask(pipe, sample_mask); 2302 2303 blitter_set_common_draw_rect_state(ctx, false); 2304 blitter_set_dst_dimensions(ctx, zsurf->width, zsurf->height); 2305 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_passthrough_pos, 2306 0, 0, zsurf->width, zsurf->height, depth, 2307 1, UTIL_BLITTER_ATTRIB_NONE, NULL); 2308 2309 util_blitter_restore_vertex_states(blitter); 2310 util_blitter_restore_fragment_states(blitter); 2311 util_blitter_restore_fb_state(blitter); 2312 util_blitter_restore_render_cond(blitter); 2313 util_blitter_unset_running_flag(blitter); 2314 } 2315 2316 void util_blitter_copy_buffer(struct blitter_context *blitter, 2317 struct pipe_resource *dst, 2318 unsigned dstx, 2319 struct pipe_resource *src, 2320 unsigned srcx, 2321 unsigned size) 2322 { 2323 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2324 struct pipe_context *pipe = ctx->base.pipe; 2325 struct pipe_vertex_buffer vb; 2326 struct pipe_stream_output_target *so_target; 2327 unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0}; 2328 2329 if (srcx >= src->width0 || 2330 dstx >= dst->width0) { 2331 return; 2332 } 2333 if (srcx + size > src->width0) { 2334 size = src->width0 - srcx; 2335 } 2336 if (dstx + size > dst->width0) { 2337 size = dst->width0 - dstx; 2338 } 2339 2340 /* Drivers not capable of Stream Out should not call this function 2341 * in the first place. */ 2342 assert(ctx->has_stream_out); 2343 2344 /* Some alignment is required. */ 2345 if (srcx % 4 != 0 || dstx % 4 != 0 || size % 4 != 0 || 2346 !ctx->has_stream_out) { 2347 struct pipe_box box; 2348 u_box_1d(srcx, size, &box); 2349 util_resource_copy_region(pipe, dst, 0, dstx, 0, 0, src, 0, &box); 2350 return; 2351 } 2352 2353 util_blitter_set_running_flag(blitter); 2354 blitter_check_saved_vertex_states(ctx); 2355 blitter_disable_render_cond(ctx); 2356 2357 vb.is_user_buffer = false; 2358 vb.buffer.resource = src; 2359 vb.buffer_offset = srcx; 2360 vb.stride = 4; 2361 2362 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); 2363 pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf[0]); 2364 bind_vs_pos_only(ctx, 1); 2365 if (ctx->has_geometry_shader) 2366 pipe->bind_gs_state(pipe, NULL); 2367 if (ctx->has_tessellation) { 2368 pipe->bind_tcs_state(pipe, NULL); 2369 pipe->bind_tes_state(pipe, NULL); 2370 } 2371 pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state); 2372 2373 so_target = pipe->create_stream_output_target(pipe, dst, dstx, size); 2374 pipe->set_stream_output_targets(pipe, 1, &so_target, offsets); 2375 2376 util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); 2377 2378 util_blitter_restore_vertex_states(blitter); 2379 util_blitter_restore_render_cond(blitter); 2380 util_blitter_unset_running_flag(blitter); 2381 pipe_so_target_reference(&so_target, NULL); 2382 } 2383 2384 void util_blitter_clear_buffer(struct blitter_context *blitter, 2385 struct pipe_resource *dst, 2386 unsigned offset, unsigned size, 2387 unsigned num_channels, 2388 const union pipe_color_union *clear_value) 2389 { 2390 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2391 struct pipe_context *pipe = ctx->base.pipe; 2392 struct pipe_vertex_buffer vb = {0}; 2393 struct pipe_stream_output_target *so_target = NULL; 2394 unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0}; 2395 2396 assert(num_channels >= 1); 2397 assert(num_channels <= 4); 2398 2399 /* IMPORTANT: DON'T DO ANY BOUNDS CHECKING HERE! 2400 * 2401 * R600 uses this to initialize texture resources, so width0 might not be 2402 * what you think it is. 2403 */ 2404 2405 /* Streamout is required. */ 2406 if (!ctx->has_stream_out) { 2407 assert(!"Streamout unsupported in util_blitter_clear_buffer()"); 2408 return; 2409 } 2410 2411 /* Some alignment is required. */ 2412 if (offset % 4 != 0 || size % 4 != 0) { 2413 assert(!"Bad alignment in util_blitter_clear_buffer()"); 2414 return; 2415 } 2416 2417 u_upload_data(pipe->stream_uploader, 0, num_channels*4, 4, clear_value, 2418 &vb.buffer_offset, &vb.buffer.resource); 2419 if (!vb.buffer.resource) 2420 goto out; 2421 2422 vb.stride = 0; 2423 2424 util_blitter_set_running_flag(blitter); 2425 blitter_check_saved_vertex_states(ctx); 2426 blitter_disable_render_cond(ctx); 2427 2428 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); 2429 pipe->bind_vertex_elements_state(pipe, 2430 ctx->velem_state_readbuf[num_channels-1]); 2431 bind_vs_pos_only(ctx, num_channels); 2432 if (ctx->has_geometry_shader) 2433 pipe->bind_gs_state(pipe, NULL); 2434 if (ctx->has_tessellation) { 2435 pipe->bind_tcs_state(pipe, NULL); 2436 pipe->bind_tes_state(pipe, NULL); 2437 } 2438 pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state); 2439 2440 so_target = pipe->create_stream_output_target(pipe, dst, offset, size); 2441 pipe->set_stream_output_targets(pipe, 1, &so_target, offsets); 2442 2443 util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); 2444 2445 out: 2446 util_blitter_restore_vertex_states(blitter); 2447 util_blitter_restore_render_cond(blitter); 2448 util_blitter_unset_running_flag(blitter); 2449 pipe_so_target_reference(&so_target, NULL); 2450 pipe_resource_reference(&vb.buffer.resource, NULL); 2451 } 2452 2453 /* probably radeon specific */ 2454 void util_blitter_custom_resolve_color(struct blitter_context *blitter, 2455 struct pipe_resource *dst, 2456 unsigned dst_level, 2457 unsigned dst_layer, 2458 struct pipe_resource *src, 2459 unsigned src_layer, 2460 unsigned sample_mask, 2461 void *custom_blend, 2462 enum pipe_format format) 2463 { 2464 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2465 struct pipe_context *pipe = ctx->base.pipe; 2466 struct pipe_framebuffer_state fb_state; 2467 struct pipe_surface *srcsurf, *dstsurf, surf_tmpl; 2468 2469 util_blitter_set_running_flag(blitter); 2470 blitter_check_saved_vertex_states(ctx); 2471 blitter_check_saved_fragment_states(ctx); 2472 blitter_disable_render_cond(ctx); 2473 2474 /* bind states */ 2475 pipe->bind_blend_state(pipe, custom_blend); 2476 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 2477 bind_fs_write_one_cbuf(ctx); 2478 pipe->set_sample_mask(pipe, sample_mask); 2479 2480 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 2481 surf_tmpl.format = format; 2482 surf_tmpl.u.tex.level = dst_level; 2483 surf_tmpl.u.tex.first_layer = dst_layer; 2484 surf_tmpl.u.tex.last_layer = dst_layer; 2485 2486 dstsurf = pipe->create_surface(pipe, dst, &surf_tmpl); 2487 2488 surf_tmpl.u.tex.level = 0; 2489 surf_tmpl.u.tex.first_layer = src_layer; 2490 surf_tmpl.u.tex.last_layer = src_layer; 2491 2492 srcsurf = pipe->create_surface(pipe, src, &surf_tmpl); 2493 2494 /* set a framebuffer state */ 2495 fb_state.width = src->width0; 2496 fb_state.height = src->height0; 2497 fb_state.nr_cbufs = 2; 2498 fb_state.cbufs[0] = srcsurf; 2499 fb_state.cbufs[1] = dstsurf; 2500 fb_state.zsbuf = NULL; 2501 pipe->set_framebuffer_state(pipe, &fb_state); 2502 2503 blitter_set_common_draw_rect_state(ctx, false); 2504 blitter_set_dst_dimensions(ctx, src->width0, src->height0); 2505 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_passthrough_pos, 2506 0, 0, src->width0, src->height0, 2507 0, 1, UTIL_BLITTER_ATTRIB_NONE, NULL); 2508 util_blitter_restore_fb_state(blitter); 2509 util_blitter_restore_vertex_states(blitter); 2510 util_blitter_restore_fragment_states(blitter); 2511 util_blitter_restore_render_cond(blitter); 2512 util_blitter_unset_running_flag(blitter); 2513 2514 pipe_surface_reference(&srcsurf, NULL); 2515 pipe_surface_reference(&dstsurf, NULL); 2516 } 2517 2518 void util_blitter_custom_color(struct blitter_context *blitter, 2519 struct pipe_surface *dstsurf, 2520 void *custom_blend) 2521 { 2522 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2523 struct pipe_context *pipe = ctx->base.pipe; 2524 struct pipe_framebuffer_state fb_state; 2525 2526 assert(dstsurf->texture); 2527 if (!dstsurf->texture) 2528 return; 2529 2530 /* check the saved state */ 2531 util_blitter_set_running_flag(blitter); 2532 blitter_check_saved_vertex_states(ctx); 2533 blitter_check_saved_fragment_states(ctx); 2534 blitter_check_saved_fb_state(ctx); 2535 blitter_disable_render_cond(ctx); 2536 2537 /* bind states */ 2538 pipe->bind_blend_state(pipe, custom_blend ? custom_blend 2539 : ctx->blend[PIPE_MASK_RGBA][0]); 2540 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 2541 bind_fs_write_one_cbuf(ctx); 2542 pipe->set_sample_mask(pipe, (1ull << MAX2(1, dstsurf->texture->nr_samples)) - 1); 2543 2544 /* set a framebuffer state */ 2545 fb_state.width = dstsurf->width; 2546 fb_state.height = dstsurf->height; 2547 fb_state.nr_cbufs = 1; 2548 fb_state.cbufs[0] = dstsurf; 2549 fb_state.zsbuf = 0; 2550 pipe->set_framebuffer_state(pipe, &fb_state); 2551 pipe->set_sample_mask(pipe, ~0); 2552 2553 blitter_set_common_draw_rect_state(ctx, false); 2554 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 2555 blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_passthrough_pos, 2556 0, 0, dstsurf->width, dstsurf->height, 2557 0, 1, UTIL_BLITTER_ATTRIB_NONE, NULL); 2558 2559 util_blitter_restore_vertex_states(blitter); 2560 util_blitter_restore_fragment_states(blitter); 2561 util_blitter_restore_fb_state(blitter); 2562 util_blitter_restore_render_cond(blitter); 2563 util_blitter_unset_running_flag(blitter); 2564 } 2565
