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 struct u_upload_mgr *upload; 65 66 float vertices[4][2][4]; /**< {pos, color} or {pos, texcoord} */ 67 68 /* Templates for various state objects. */ 69 70 /* Constant state objects. */ 71 /* Vertex shaders. */ 72 void *vs; /**< Vertex shader which passes {pos, generic} to the output.*/ 73 void *vs_pos_only[4]; /**< Vertex shader which passes pos to the output.*/ 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. 82 * The first index indicates the texture type / destination type, 83 * the second index is the PIPE_TEXTURE_* to be sampled. */ 84 void *fs_texfetch_col[5][PIPE_MAX_TEXTURE_TYPES]; 85 86 /* FS which outputs a depth from a texture, 87 where the index is PIPE_TEXTURE_* to be sampled. */ 88 void *fs_texfetch_depth[PIPE_MAX_TEXTURE_TYPES]; 89 void *fs_texfetch_depthstencil[PIPE_MAX_TEXTURE_TYPES]; 90 void *fs_texfetch_stencil[PIPE_MAX_TEXTURE_TYPES]; 91 92 /* FS which outputs one sample from a multisample texture. */ 93 void *fs_texfetch_col_msaa[5][PIPE_MAX_TEXTURE_TYPES]; 94 void *fs_texfetch_depth_msaa[PIPE_MAX_TEXTURE_TYPES]; 95 void *fs_texfetch_depthstencil_msaa[PIPE_MAX_TEXTURE_TYPES]; 96 void *fs_texfetch_stencil_msaa[PIPE_MAX_TEXTURE_TYPES]; 97 98 /* FS which outputs an average of all samples. */ 99 void *fs_resolve[PIPE_MAX_TEXTURE_TYPES][NUM_RESOLVE_FRAG_SHADERS][2]; 100 101 /* Blend state. */ 102 void *blend[PIPE_MASK_RGBA+1][2]; /**< blend state with writemask */ 103 void *blend_clear[GET_CLEAR_BLEND_STATE_IDX(PIPE_CLEAR_COLOR)+1]; 104 105 /* Depth stencil alpha state. */ 106 void *dsa_write_depth_stencil; 107 void *dsa_write_depth_keep_stencil; 108 void *dsa_keep_depth_stencil; 109 void *dsa_keep_depth_write_stencil; 110 111 /* Vertex elements states. */ 112 void *velem_state; 113 void *velem_state_readbuf[4]; /**< X, XY, XYZ, XYZW */ 114 115 /* Sampler state. */ 116 void *sampler_state; 117 void *sampler_state_linear; 118 void *sampler_state_rect; 119 void *sampler_state_rect_linear; 120 121 /* Rasterizer state. */ 122 void *rs_state, *rs_state_scissor, *rs_discard_state; 123 124 /* Viewport state. */ 125 struct pipe_viewport_state viewport; 126 127 /* Destination surface dimensions. */ 128 unsigned dst_width; 129 unsigned dst_height; 130 131 boolean has_geometry_shader; 132 boolean has_tessellation; 133 boolean has_layered; 134 boolean has_stream_out; 135 boolean has_stencil_export; 136 boolean has_texture_multisample; 137 boolean cached_all_shaders; 138 139 /* The Draw module overrides these functions. 140 * Always create the blitter before Draw. */ 141 void (*bind_fs_state)(struct pipe_context *, void *); 142 void (*delete_fs_state)(struct pipe_context *, void *); 143 }; 144 145 static struct pipe_surface * 146 util_blitter_get_next_surface_layer(struct pipe_context *pipe, 147 struct pipe_surface *surf); 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 ctx->base.get_next_surface_layer = util_blitter_get_next_surface_layer; 166 167 ctx->bind_fs_state = pipe->bind_fs_state; 168 ctx->delete_fs_state = pipe->delete_fs_state; 169 170 /* init state objects for them to be considered invalid */ 171 ctx->base.saved_blend_state = INVALID_PTR; 172 ctx->base.saved_dsa_state = INVALID_PTR; 173 ctx->base.saved_rs_state = INVALID_PTR; 174 ctx->base.saved_fs = INVALID_PTR; 175 ctx->base.saved_vs = INVALID_PTR; 176 ctx->base.saved_gs = INVALID_PTR; 177 ctx->base.saved_velem_state = INVALID_PTR; 178 ctx->base.saved_fb_state.nr_cbufs = ~0; 179 ctx->base.saved_num_sampler_views = ~0; 180 ctx->base.saved_num_sampler_states = ~0; 181 ctx->base.saved_num_so_targets = ~0; 182 183 ctx->has_geometry_shader = 184 pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY, 185 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0; 186 187 ctx->has_tessellation = 188 pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_TESS_CTRL, 189 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0; 190 191 ctx->has_stream_out = 192 pipe->screen->get_param(pipe->screen, 193 PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0; 194 195 ctx->has_stencil_export = 196 pipe->screen->get_param(pipe->screen, 197 PIPE_CAP_SHADER_STENCIL_EXPORT); 198 199 ctx->has_texture_multisample = 200 pipe->screen->get_param(pipe->screen, PIPE_CAP_TEXTURE_MULTISAMPLE); 201 202 /* blend state objects */ 203 memset(&blend, 0, sizeof(blend)); 204 205 for (i = 0; i <= PIPE_MASK_RGBA; i++) { 206 for (j = 0; j < 2; j++) { 207 memset(&blend.rt[0], 0, sizeof(blend.rt[0])); 208 blend.rt[0].colormask = i; 209 if (j) { 210 blend.rt[0].blend_enable = 1; 211 blend.rt[0].rgb_func = PIPE_BLEND_ADD; 212 blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA; 213 blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA; 214 blend.rt[0].alpha_func = PIPE_BLEND_ADD; 215 blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA; 216 blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA; 217 } 218 ctx->blend[i][j] = pipe->create_blend_state(pipe, &blend); 219 } 220 } 221 222 /* depth stencil alpha state objects */ 223 memset(&dsa, 0, sizeof(dsa)); 224 ctx->dsa_keep_depth_stencil = 225 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 226 227 dsa.depth.enabled = 1; 228 dsa.depth.writemask = 1; 229 dsa.depth.func = PIPE_FUNC_ALWAYS; 230 ctx->dsa_write_depth_keep_stencil = 231 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 232 233 dsa.stencil[0].enabled = 1; 234 dsa.stencil[0].func = PIPE_FUNC_ALWAYS; 235 dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; 236 dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; 237 dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; 238 dsa.stencil[0].valuemask = 0xff; 239 dsa.stencil[0].writemask = 0xff; 240 ctx->dsa_write_depth_stencil = 241 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 242 243 dsa.depth.enabled = 0; 244 dsa.depth.writemask = 0; 245 ctx->dsa_keep_depth_write_stencil = 246 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 247 248 /* sampler state */ 249 memset(&sampler_state, 0, sizeof(sampler_state)); 250 sampler_state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 251 sampler_state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 252 sampler_state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 253 sampler_state.normalized_coords = 1; 254 ctx->sampler_state = pipe->create_sampler_state(pipe, &sampler_state); 255 sampler_state.normalized_coords = 0; 256 ctx->sampler_state_rect = pipe->create_sampler_state(pipe, &sampler_state); 257 258 sampler_state.min_img_filter = PIPE_TEX_FILTER_LINEAR; 259 sampler_state.mag_img_filter = PIPE_TEX_FILTER_LINEAR; 260 sampler_state.normalized_coords = 1; 261 ctx->sampler_state_linear = pipe->create_sampler_state(pipe, &sampler_state); 262 sampler_state.normalized_coords = 0; 263 ctx->sampler_state_rect_linear = pipe->create_sampler_state(pipe, &sampler_state); 264 265 /* rasterizer state */ 266 memset(&rs_state, 0, sizeof(rs_state)); 267 rs_state.cull_face = PIPE_FACE_NONE; 268 rs_state.half_pixel_center = 1; 269 rs_state.bottom_edge_rule = 1; 270 rs_state.flatshade = 1; 271 rs_state.depth_clip = 1; 272 ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); 273 274 rs_state.scissor = 1; 275 ctx->rs_state_scissor = pipe->create_rasterizer_state(pipe, &rs_state); 276 277 if (ctx->has_stream_out) { 278 rs_state.scissor = 0; 279 rs_state.rasterizer_discard = 1; 280 ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state); 281 } 282 283 ctx->base.cb_slot = 0; /* 0 for now */ 284 ctx->base.vb_slot = 0; /* 0 for now */ 285 286 /* vertex elements states */ 287 memset(&velem[0], 0, sizeof(velem[0]) * 2); 288 for (i = 0; i < 2; i++) { 289 velem[i].src_offset = i * 4 * sizeof(float); 290 velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 291 velem[i].vertex_buffer_index = ctx->base.vb_slot; 292 } 293 ctx->velem_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); 294 295 if (ctx->has_stream_out) { 296 static enum pipe_format formats[4] = { 297 PIPE_FORMAT_R32_UINT, 298 PIPE_FORMAT_R32G32_UINT, 299 PIPE_FORMAT_R32G32B32_UINT, 300 PIPE_FORMAT_R32G32B32A32_UINT 301 }; 302 303 for (i = 0; i < 4; i++) { 304 velem[0].src_format = formats[i]; 305 velem[0].vertex_buffer_index = ctx->base.vb_slot; 306 ctx->velem_state_readbuf[i] = 307 pipe->create_vertex_elements_state(pipe, 1, &velem[0]); 308 } 309 } 310 311 ctx->has_layered = 312 pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_INSTANCEID) && 313 pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT); 314 315 /* set invariant vertex coordinates */ 316 for (i = 0; i < 4; i++) 317 ctx->vertices[i][0][3] = 1; /*v.w*/ 318 319 ctx->upload = u_upload_create(pipe, 65536, PIPE_BIND_VERTEX_BUFFER, 320 PIPE_USAGE_STREAM); 321 322 return &ctx->base; 323 } 324 325 static void bind_vs_pos_only(struct blitter_context_priv *ctx, 326 unsigned num_so_channels) 327 { 328 struct pipe_context *pipe = ctx->base.pipe; 329 int index = num_so_channels ? num_so_channels - 1 : 0; 330 331 if (!ctx->vs_pos_only[index]) { 332 struct pipe_stream_output_info so; 333 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION }; 334 const uint semantic_indices[] = { 0 }; 335 336 memset(&so, 0, sizeof(so)); 337 so.num_outputs = 1; 338 so.output[0].num_components = num_so_channels; 339 so.stride[0] = num_so_channels; 340 341 ctx->vs_pos_only[index] = 342 util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names, 343 semantic_indices, FALSE, 344 &so); 345 } 346 347 pipe->bind_vs_state(pipe, ctx->vs_pos_only[index]); 348 } 349 350 static void bind_vs_passthrough(struct blitter_context_priv *ctx) 351 { 352 struct pipe_context *pipe = ctx->base.pipe; 353 354 if (!ctx->vs) { 355 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, 356 TGSI_SEMANTIC_GENERIC }; 357 const uint semantic_indices[] = { 0, 0 }; 358 ctx->vs = 359 util_make_vertex_passthrough_shader(pipe, 2, semantic_names, 360 semantic_indices, FALSE); 361 } 362 363 pipe->bind_vs_state(pipe, ctx->vs); 364 } 365 366 static void bind_vs_layered(struct blitter_context_priv *ctx) 367 { 368 struct pipe_context *pipe = ctx->base.pipe; 369 370 if (!ctx->vs_layered) { 371 ctx->vs_layered = util_make_layered_clear_vertex_shader(pipe); 372 } 373 374 pipe->bind_vs_state(pipe, ctx->vs_layered); 375 } 376 377 static void bind_fs_empty(struct blitter_context_priv *ctx) 378 { 379 struct pipe_context *pipe = ctx->base.pipe; 380 381 if (!ctx->fs_empty) { 382 assert(!ctx->cached_all_shaders); 383 ctx->fs_empty = util_make_empty_fragment_shader(pipe); 384 } 385 386 ctx->bind_fs_state(pipe, ctx->fs_empty); 387 } 388 389 static void bind_fs_write_one_cbuf(struct blitter_context_priv *ctx) 390 { 391 struct pipe_context *pipe = ctx->base.pipe; 392 393 if (!ctx->fs_write_one_cbuf) { 394 assert(!ctx->cached_all_shaders); 395 ctx->fs_write_one_cbuf = 396 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, 397 TGSI_INTERPOLATE_CONSTANT, FALSE); 398 } 399 400 ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); 401 } 402 403 static void bind_fs_write_all_cbufs(struct blitter_context_priv *ctx) 404 { 405 struct pipe_context *pipe = ctx->base.pipe; 406 407 if (!ctx->fs_write_all_cbufs) { 408 assert(!ctx->cached_all_shaders); 409 ctx->fs_write_all_cbufs = 410 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, 411 TGSI_INTERPOLATE_CONSTANT, TRUE); 412 } 413 414 ctx->bind_fs_state(pipe, ctx->fs_write_all_cbufs); 415 } 416 417 void util_blitter_destroy(struct blitter_context *blitter) 418 { 419 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 420 struct pipe_context *pipe = blitter->pipe; 421 unsigned i, j, f; 422 423 for (i = 0; i <= PIPE_MASK_RGBA; i++) 424 for (j = 0; j < 2; j++) 425 pipe->delete_blend_state(pipe, ctx->blend[i][j]); 426 427 for (i = 0; i < ARRAY_SIZE(ctx->blend_clear); i++) { 428 if (ctx->blend_clear[i]) 429 pipe->delete_blend_state(pipe, ctx->blend_clear[i]); 430 } 431 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 432 pipe->delete_depth_stencil_alpha_state(pipe, 433 ctx->dsa_write_depth_keep_stencil); 434 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 435 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 436 437 pipe->delete_rasterizer_state(pipe, ctx->rs_state); 438 pipe->delete_rasterizer_state(pipe, ctx->rs_state_scissor); 439 if (ctx->rs_discard_state) 440 pipe->delete_rasterizer_state(pipe, ctx->rs_discard_state); 441 if (ctx->vs) 442 pipe->delete_vs_state(pipe, ctx->vs); 443 for (i = 0; i < 4; i++) 444 if (ctx->vs_pos_only[i]) 445 pipe->delete_vs_state(pipe, ctx->vs_pos_only[i]); 446 if (ctx->vs_layered) 447 pipe->delete_vs_state(pipe, ctx->vs_layered); 448 pipe->delete_vertex_elements_state(pipe, ctx->velem_state); 449 for (i = 0; i < 4; i++) { 450 if (ctx->velem_state_readbuf[i]) { 451 pipe->delete_vertex_elements_state(pipe, ctx->velem_state_readbuf[i]); 452 } 453 } 454 455 for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) { 456 for (unsigned type = 0; type < ARRAY_SIZE(ctx->fs_texfetch_col); ++type) { 457 if (ctx->fs_texfetch_col[type][i]) 458 ctx->delete_fs_state(pipe, ctx->fs_texfetch_col[type][i]); 459 if (ctx->fs_texfetch_col_msaa[type][i]) 460 ctx->delete_fs_state(pipe, ctx->fs_texfetch_col_msaa[type][i]); 461 } 462 463 if (ctx->fs_texfetch_depth[i]) 464 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]); 465 if (ctx->fs_texfetch_depthstencil[i]) 466 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i]); 467 if (ctx->fs_texfetch_stencil[i]) 468 ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i]); 469 470 if (ctx->fs_texfetch_depth_msaa[i]) 471 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth_msaa[i]); 472 if (ctx->fs_texfetch_depthstencil_msaa[i]) 473 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil_msaa[i]); 474 if (ctx->fs_texfetch_stencil_msaa[i]) 475 ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil_msaa[i]); 476 477 for (j = 0; j< ARRAY_SIZE(ctx->fs_resolve[i]); j++) 478 for (f = 0; f < 2; f++) 479 if (ctx->fs_resolve[i][j][f]) 480 ctx->delete_fs_state(pipe, ctx->fs_resolve[i][j][f]); 481 } 482 483 if (ctx->fs_empty) 484 ctx->delete_fs_state(pipe, ctx->fs_empty); 485 if (ctx->fs_write_one_cbuf) 486 ctx->delete_fs_state(pipe, ctx->fs_write_one_cbuf); 487 if (ctx->fs_write_all_cbufs) 488 ctx->delete_fs_state(pipe, ctx->fs_write_all_cbufs); 489 490 pipe->delete_sampler_state(pipe, ctx->sampler_state_rect_linear); 491 pipe->delete_sampler_state(pipe, ctx->sampler_state_rect); 492 pipe->delete_sampler_state(pipe, ctx->sampler_state_linear); 493 pipe->delete_sampler_state(pipe, ctx->sampler_state); 494 u_upload_destroy(ctx->upload); 495 FREE(ctx); 496 } 497 498 void util_blitter_set_texture_multisample(struct blitter_context *blitter, 499 boolean supported) 500 { 501 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 502 503 ctx->has_texture_multisample = supported; 504 } 505 506 void util_blitter_set_running_flag(struct blitter_context *blitter) 507 { 508 if (blitter->running) { 509 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", 510 __LINE__); 511 } 512 blitter->running = TRUE; 513 514 blitter->pipe->set_active_query_state(blitter->pipe, false); 515 } 516 517 void util_blitter_unset_running_flag(struct blitter_context *blitter) 518 { 519 if (!blitter->running) { 520 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", 521 __LINE__); 522 } 523 blitter->running = FALSE; 524 525 blitter->pipe->set_active_query_state(blitter->pipe, true); 526 } 527 528 static void blitter_check_saved_vertex_states(struct blitter_context_priv *ctx) 529 { 530 assert(ctx->base.saved_velem_state != INVALID_PTR); 531 assert(ctx->base.saved_vs != INVALID_PTR); 532 assert(!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR); 533 assert(!ctx->has_tessellation || ctx->base.saved_tcs != INVALID_PTR); 534 assert(!ctx->has_tessellation || ctx->base.saved_tes != INVALID_PTR); 535 assert(!ctx->has_stream_out || ctx->base.saved_num_so_targets != ~0u); 536 assert(ctx->base.saved_rs_state != INVALID_PTR); 537 } 538 539 void util_blitter_restore_vertex_states(struct blitter_context *blitter) 540 { 541 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 542 struct pipe_context *pipe = ctx->base.pipe; 543 unsigned i; 544 545 /* Vertex buffer. */ 546 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, 547 &ctx->base.saved_vertex_buffer); 548 pipe_resource_reference(&ctx->base.saved_vertex_buffer.buffer, NULL); 549 550 /* Vertex elements. */ 551 pipe->bind_vertex_elements_state(pipe, ctx->base.saved_velem_state); 552 ctx->base.saved_velem_state = INVALID_PTR; 553 554 /* Vertex shader. */ 555 pipe->bind_vs_state(pipe, ctx->base.saved_vs); 556 ctx->base.saved_vs = INVALID_PTR; 557 558 /* Geometry shader. */ 559 if (ctx->has_geometry_shader) { 560 pipe->bind_gs_state(pipe, ctx->base.saved_gs); 561 ctx->base.saved_gs = INVALID_PTR; 562 } 563 564 if (ctx->has_tessellation) { 565 pipe->bind_tcs_state(pipe, ctx->base.saved_tcs); 566 pipe->bind_tes_state(pipe, ctx->base.saved_tes); 567 ctx->base.saved_tcs = INVALID_PTR; 568 ctx->base.saved_tes = INVALID_PTR; 569 } 570 571 /* Stream outputs. */ 572 if (ctx->has_stream_out) { 573 unsigned offsets[PIPE_MAX_SO_BUFFERS]; 574 for (i = 0; i < ctx->base.saved_num_so_targets; i++) 575 offsets[i] = (unsigned)-1; 576 pipe->set_stream_output_targets(pipe, 577 ctx->base.saved_num_so_targets, 578 ctx->base.saved_so_targets, offsets); 579 580 for (i = 0; i < ctx->base.saved_num_so_targets; i++) 581 pipe_so_target_reference(&ctx->base.saved_so_targets[i], NULL); 582 583 ctx->base.saved_num_so_targets = ~0; 584 } 585 586 /* Rasterizer. */ 587 pipe->bind_rasterizer_state(pipe, ctx->base.saved_rs_state); 588 ctx->base.saved_rs_state = INVALID_PTR; 589 } 590 591 static void blitter_check_saved_fragment_states(struct blitter_context_priv *ctx) 592 { 593 assert(ctx->base.saved_fs != INVALID_PTR); 594 assert(ctx->base.saved_dsa_state != INVALID_PTR); 595 assert(ctx->base.saved_blend_state != INVALID_PTR); 596 } 597 598 void util_blitter_restore_fragment_states(struct blitter_context *blitter) 599 { 600 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 601 struct pipe_context *pipe = ctx->base.pipe; 602 603 /* Fragment shader. */ 604 ctx->bind_fs_state(pipe, ctx->base.saved_fs); 605 ctx->base.saved_fs = INVALID_PTR; 606 607 /* Depth, stencil, alpha. */ 608 pipe->bind_depth_stencil_alpha_state(pipe, ctx->base.saved_dsa_state); 609 ctx->base.saved_dsa_state = INVALID_PTR; 610 611 /* Blend state. */ 612 pipe->bind_blend_state(pipe, ctx->base.saved_blend_state); 613 ctx->base.saved_blend_state = INVALID_PTR; 614 615 /* Sample mask. */ 616 if (ctx->base.is_sample_mask_saved) { 617 pipe->set_sample_mask(pipe, ctx->base.saved_sample_mask); 618 ctx->base.is_sample_mask_saved = FALSE; 619 } 620 621 /* Miscellaneous states. */ 622 /* XXX check whether these are saved and whether they need to be restored 623 * (depending on the operation) */ 624 pipe->set_stencil_ref(pipe, &ctx->base.saved_stencil_ref); 625 pipe->set_viewport_states(pipe, 0, 1, &ctx->base.saved_viewport); 626 } 627 628 static void blitter_check_saved_fb_state(struct blitter_context_priv *ctx) 629 { 630 assert(ctx->base.saved_fb_state.nr_cbufs != ~0u); 631 } 632 633 static void blitter_disable_render_cond(struct blitter_context_priv *ctx) 634 { 635 struct pipe_context *pipe = ctx->base.pipe; 636 637 if (ctx->base.saved_render_cond_query) { 638 pipe->render_condition(pipe, NULL, FALSE, 0); 639 } 640 } 641 642 void util_blitter_restore_render_cond(struct blitter_context *blitter) 643 { 644 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 645 struct pipe_context *pipe = ctx->base.pipe; 646 647 if (ctx->base.saved_render_cond_query) { 648 pipe->render_condition(pipe, ctx->base.saved_render_cond_query, 649 ctx->base.saved_render_cond_cond, 650 ctx->base.saved_render_cond_mode); 651 ctx->base.saved_render_cond_query = NULL; 652 } 653 } 654 655 void util_blitter_restore_fb_state(struct blitter_context *blitter) 656 { 657 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 658 struct pipe_context *pipe = ctx->base.pipe; 659 660 pipe->set_framebuffer_state(pipe, &ctx->base.saved_fb_state); 661 util_unreference_framebuffer_state(&ctx->base.saved_fb_state); 662 } 663 664 static void blitter_check_saved_textures(struct blitter_context_priv *ctx) 665 { 666 assert(ctx->base.saved_num_sampler_states != ~0u); 667 assert(ctx->base.saved_num_sampler_views != ~0u); 668 } 669 670 void util_blitter_restore_textures(struct blitter_context *blitter) 671 { 672 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 673 struct pipe_context *pipe = ctx->base.pipe; 674 unsigned i; 675 676 /* Fragment sampler states. */ 677 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 678 ctx->base.saved_num_sampler_states, 679 ctx->base.saved_sampler_states); 680 681 ctx->base.saved_num_sampler_states = ~0; 682 683 /* Fragment sampler views. */ 684 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 685 ctx->base.saved_num_sampler_views, 686 ctx->base.saved_sampler_views); 687 688 for (i = 0; i < ctx->base.saved_num_sampler_views; i++) 689 pipe_sampler_view_reference(&ctx->base.saved_sampler_views[i], NULL); 690 691 ctx->base.saved_num_sampler_views = ~0; 692 } 693 694 void util_blitter_restore_constant_buffer_state(struct blitter_context *blitter) 695 { 696 struct pipe_context *pipe = blitter->pipe; 697 698 pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, blitter->cb_slot, 699 &blitter->saved_fs_constant_buffer); 700 pipe_resource_reference(&blitter->saved_fs_constant_buffer.buffer, NULL); 701 } 702 703 static void blitter_set_rectangle(struct blitter_context_priv *ctx, 704 int x1, int y1, int x2, int y2, 705 float depth) 706 { 707 int i; 708 709 /* set vertex positions */ 710 ctx->vertices[0][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v0.x*/ 711 ctx->vertices[0][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v0.y*/ 712 713 ctx->vertices[1][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v1.x*/ 714 ctx->vertices[1][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v1.y*/ 715 716 ctx->vertices[2][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v2.x*/ 717 ctx->vertices[2][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v2.y*/ 718 719 ctx->vertices[3][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v3.x*/ 720 ctx->vertices[3][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v3.y*/ 721 722 for (i = 0; i < 4; i++) 723 ctx->vertices[i][0][2] = depth; /*z*/ 724 725 /* viewport */ 726 ctx->viewport.scale[0] = 0.5f * ctx->dst_width; 727 ctx->viewport.scale[1] = 0.5f * ctx->dst_height; 728 ctx->viewport.scale[2] = 1.0f; 729 ctx->viewport.translate[0] = 0.5f * ctx->dst_width; 730 ctx->viewport.translate[1] = 0.5f * ctx->dst_height; 731 ctx->viewport.translate[2] = 0.0f; 732 ctx->base.pipe->set_viewport_states(ctx->base.pipe, 0, 1, &ctx->viewport); 733 } 734 735 static void blitter_set_clear_color(struct blitter_context_priv *ctx, 736 const union pipe_color_union *color) 737 { 738 int i; 739 740 if (color) { 741 for (i = 0; i < 4; i++) { 742 uint32_t *uiverts = (uint32_t *)ctx->vertices[i][1]; 743 uiverts[0] = color->ui[0]; 744 uiverts[1] = color->ui[1]; 745 uiverts[2] = color->ui[2]; 746 uiverts[3] = color->ui[3]; 747 } 748 } else { 749 for (i = 0; i < 4; i++) { 750 ctx->vertices[i][1][0] = 0; 751 ctx->vertices[i][1][1] = 0; 752 ctx->vertices[i][1][2] = 0; 753 ctx->vertices[i][1][3] = 0; 754 } 755 } 756 } 757 758 static void get_texcoords(struct pipe_sampler_view *src, 759 unsigned src_width0, unsigned src_height0, 760 int x1, int y1, int x2, int y2, 761 float out[4]) 762 { 763 struct pipe_resource *tex = src->texture; 764 unsigned level = src->u.tex.first_level; 765 boolean normalized = tex->target != PIPE_TEXTURE_RECT && 766 tex->nr_samples <= 1; 767 768 if (normalized) { 769 out[0] = x1 / (float)u_minify(src_width0, level); 770 out[1] = y1 / (float)u_minify(src_height0, level); 771 out[2] = x2 / (float)u_minify(src_width0, level); 772 out[3] = y2 / (float)u_minify(src_height0, level); 773 } else { 774 out[0] = (float) x1; 775 out[1] = (float) y1; 776 out[2] = (float) x2; 777 out[3] = (float) y2; 778 } 779 } 780 781 static void set_texcoords_in_vertices(const float coord[4], 782 float *out, unsigned stride) 783 { 784 out[0] = coord[0]; /*t0.s*/ 785 out[1] = coord[1]; /*t0.t*/ 786 out += stride; 787 out[0] = coord[2]; /*t1.s*/ 788 out[1] = coord[1]; /*t1.t*/ 789 out += stride; 790 out[0] = coord[2]; /*t2.s*/ 791 out[1] = coord[3]; /*t2.t*/ 792 out += stride; 793 out[0] = coord[0]; /*t3.s*/ 794 out[1] = coord[3]; /*t3.t*/ 795 } 796 797 static void blitter_set_texcoords(struct blitter_context_priv *ctx, 798 struct pipe_sampler_view *src, 799 unsigned src_width0, unsigned src_height0, 800 float layer, unsigned sample, 801 int x1, int y1, int x2, int y2) 802 { 803 unsigned i; 804 float coord[4]; 805 float face_coord[4][2]; 806 807 get_texcoords(src, src_width0, src_height0, x1, y1, x2, y2, coord); 808 809 if (src->texture->target == PIPE_TEXTURE_CUBE || 810 src->texture->target == PIPE_TEXTURE_CUBE_ARRAY) { 811 set_texcoords_in_vertices(coord, &face_coord[0][0], 2); 812 util_map_texcoords2d_onto_cubemap((unsigned)layer % 6, 813 /* pointer, stride in floats */ 814 &face_coord[0][0], 2, 815 &ctx->vertices[0][1][0], 8, 816 FALSE); 817 } else { 818 set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8); 819 } 820 821 /* Set the layer. */ 822 switch (src->texture->target) { 823 case PIPE_TEXTURE_3D: 824 { 825 float r = layer / (float)u_minify(src->texture->depth0, 826 src->u.tex.first_level); 827 for (i = 0; i < 4; i++) 828 ctx->vertices[i][1][2] = r; /*r*/ 829 } 830 break; 831 832 case PIPE_TEXTURE_1D_ARRAY: 833 for (i = 0; i < 4; i++) 834 ctx->vertices[i][1][1] = (float) layer; /*t*/ 835 break; 836 837 case PIPE_TEXTURE_2D_ARRAY: 838 for (i = 0; i < 4; i++) { 839 ctx->vertices[i][1][2] = (float) layer; /*r*/ 840 ctx->vertices[i][1][3] = (float) sample; /*q*/ 841 } 842 break; 843 844 case PIPE_TEXTURE_CUBE_ARRAY: 845 for (i = 0; i < 4; i++) 846 ctx->vertices[i][1][3] = (float) ((unsigned)layer / 6); /*w*/ 847 break; 848 849 case PIPE_TEXTURE_2D: 850 for (i = 0; i < 4; i++) { 851 ctx->vertices[i][1][3] = (float) sample; /*r*/ 852 } 853 break; 854 855 default:; 856 } 857 } 858 859 static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx, 860 unsigned width, unsigned height) 861 { 862 ctx->dst_width = width; 863 ctx->dst_height = height; 864 } 865 866 static void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx, 867 enum pipe_format src_format, 868 enum pipe_format dst_format, 869 enum pipe_texture_target target, 870 unsigned src_nr_samples, 871 unsigned dst_nr_samples, 872 unsigned filter) 873 { 874 struct pipe_context *pipe = ctx->base.pipe; 875 unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, src_nr_samples); 876 enum tgsi_return_type stype; 877 enum tgsi_return_type dtype; 878 unsigned type; 879 880 assert(target < PIPE_MAX_TEXTURE_TYPES); 881 882 if (util_format_is_pure_uint(src_format)) { 883 stype = TGSI_RETURN_TYPE_UINT; 884 if (util_format_is_pure_uint(dst_format)) { 885 dtype = TGSI_RETURN_TYPE_UINT; 886 type = 0; 887 } else { 888 assert(util_format_is_pure_sint(dst_format)); 889 dtype = TGSI_RETURN_TYPE_SINT; 890 type = 1; 891 } 892 } else if (util_format_is_pure_sint(src_format)) { 893 stype = TGSI_RETURN_TYPE_SINT; 894 if (util_format_is_pure_sint(dst_format)) { 895 dtype = TGSI_RETURN_TYPE_SINT; 896 type = 2; 897 } else { 898 assert(util_format_is_pure_uint(dst_format)); 899 dtype = TGSI_RETURN_TYPE_UINT; 900 type = 3; 901 } 902 } else { 903 assert(!util_format_is_pure_uint(dst_format) && 904 !util_format_is_pure_sint(dst_format)); 905 dtype = stype = TGSI_RETURN_TYPE_FLOAT; 906 type = 4; 907 } 908 909 if (src_nr_samples > 1) { 910 void **shader; 911 912 /* OpenGL requires that integer textures just copy 1 sample instead 913 * of averaging. 914 */ 915 if (dst_nr_samples <= 1 && 916 stype != TGSI_RETURN_TYPE_UINT && 917 stype != TGSI_RETURN_TYPE_SINT) { 918 /* The destination has one sample, so we'll do color resolve. */ 919 unsigned index = GET_MSAA_RESOLVE_FS_IDX(src_nr_samples); 920 921 assert(filter < 2); 922 923 shader = &ctx->fs_resolve[target][index][filter]; 924 925 if (!*shader) { 926 assert(!ctx->cached_all_shaders); 927 if (filter == PIPE_TEX_FILTER_LINEAR) { 928 *shader = util_make_fs_msaa_resolve_bilinear(pipe, tgsi_tex, 929 src_nr_samples, 930 stype); 931 } 932 else { 933 *shader = util_make_fs_msaa_resolve(pipe, tgsi_tex, 934 src_nr_samples, 935 stype); 936 } 937 } 938 } 939 else { 940 /* The destination has multiple samples, we'll do 941 * an MSAA->MSAA copy. 942 */ 943 shader = &ctx->fs_texfetch_col_msaa[type][target]; 944 945 /* Create the fragment shader on-demand. */ 946 if (!*shader) { 947 assert(!ctx->cached_all_shaders); 948 *shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex, stype, dtype); 949 } 950 } 951 952 return *shader; 953 } else { 954 void **shader = &ctx->fs_texfetch_col[type][target]; 955 956 /* Create the fragment shader on-demand. */ 957 if (!*shader) { 958 assert(!ctx->cached_all_shaders); 959 *shader = util_make_fragment_tex_shader(pipe, tgsi_tex, 960 TGSI_INTERPOLATE_LINEAR, 961 stype, dtype); 962 } 963 964 return *shader; 965 } 966 } 967 968 static inline 969 void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx, 970 enum pipe_texture_target target, 971 unsigned nr_samples) 972 { 973 struct pipe_context *pipe = ctx->base.pipe; 974 975 assert(target < PIPE_MAX_TEXTURE_TYPES); 976 977 if (nr_samples > 1) { 978 void **shader = &ctx->fs_texfetch_depth_msaa[target]; 979 980 /* Create the fragment shader on-demand. */ 981 if (!*shader) { 982 unsigned tgsi_tex; 983 assert(!ctx->cached_all_shaders); 984 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, nr_samples); 985 *shader = util_make_fs_blit_msaa_depth(pipe, tgsi_tex); 986 } 987 988 return *shader; 989 } else { 990 void **shader = &ctx->fs_texfetch_depth[target]; 991 992 /* Create the fragment shader on-demand. */ 993 if (!*shader) { 994 unsigned tgsi_tex; 995 assert(!ctx->cached_all_shaders); 996 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); 997 *shader = 998 util_make_fragment_tex_shader_writedepth(pipe, tgsi_tex, 999 TGSI_INTERPOLATE_LINEAR); 1000 } 1001 1002 return *shader; 1003 } 1004 } 1005 1006 static inline 1007 void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx, 1008 enum pipe_texture_target target, 1009 unsigned nr_samples) 1010 { 1011 struct pipe_context *pipe = ctx->base.pipe; 1012 1013 assert(target < PIPE_MAX_TEXTURE_TYPES); 1014 1015 if (nr_samples > 1) { 1016 void **shader = &ctx->fs_texfetch_depthstencil_msaa[target]; 1017 1018 /* Create the fragment shader on-demand. */ 1019 if (!*shader) { 1020 unsigned tgsi_tex; 1021 assert(!ctx->cached_all_shaders); 1022 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, nr_samples); 1023 *shader = util_make_fs_blit_msaa_depthstencil(pipe, tgsi_tex); 1024 } 1025 1026 return *shader; 1027 } else { 1028 void **shader = &ctx->fs_texfetch_depthstencil[target]; 1029 1030 /* Create the fragment shader on-demand. */ 1031 if (!*shader) { 1032 unsigned tgsi_tex; 1033 assert(!ctx->cached_all_shaders); 1034 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); 1035 *shader = 1036 util_make_fragment_tex_shader_writedepthstencil(pipe, tgsi_tex, 1037 TGSI_INTERPOLATE_LINEAR); 1038 } 1039 1040 return *shader; 1041 } 1042 } 1043 1044 static inline 1045 void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx, 1046 enum pipe_texture_target target, 1047 unsigned nr_samples) 1048 { 1049 struct pipe_context *pipe = ctx->base.pipe; 1050 1051 assert(target < PIPE_MAX_TEXTURE_TYPES); 1052 1053 if (nr_samples > 1) { 1054 void **shader = &ctx->fs_texfetch_stencil_msaa[target]; 1055 1056 /* Create the fragment shader on-demand. */ 1057 if (!*shader) { 1058 unsigned tgsi_tex; 1059 assert(!ctx->cached_all_shaders); 1060 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, nr_samples); 1061 *shader = util_make_fs_blit_msaa_stencil(pipe, tgsi_tex); 1062 } 1063 1064 return *shader; 1065 } else { 1066 void **shader = &ctx->fs_texfetch_stencil[target]; 1067 1068 /* Create the fragment shader on-demand. */ 1069 if (!*shader) { 1070 unsigned tgsi_tex; 1071 assert(!ctx->cached_all_shaders); 1072 tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); 1073 *shader = 1074 util_make_fragment_tex_shader_writestencil(pipe, tgsi_tex, 1075 TGSI_INTERPOLATE_LINEAR); 1076 } 1077 1078 return *shader; 1079 } 1080 } 1081 1082 1083 /** 1084 * Generate and save all fragment shaders that we will ever need for 1085 * blitting. Drivers which use the 'draw' fallbacks will typically use 1086 * this to make sure we generate/use shaders that don't go through the 1087 * draw module's wrapper functions. 1088 */ 1089 void util_blitter_cache_all_shaders(struct blitter_context *blitter) 1090 { 1091 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1092 struct pipe_context *pipe = blitter->pipe; 1093 struct pipe_screen *screen = pipe->screen; 1094 unsigned samples, j, f, target, max_samples; 1095 boolean has_arraytex, has_cubearraytex; 1096 1097 max_samples = ctx->has_texture_multisample ? 2 : 1; 1098 has_arraytex = screen->get_param(screen, 1099 PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS) != 0; 1100 has_cubearraytex = screen->get_param(screen, 1101 PIPE_CAP_CUBE_MAP_ARRAY) != 0; 1102 1103 /* It only matters if i <= 1 or > 1. */ 1104 for (samples = 1; samples <= max_samples; samples++) { 1105 for (target = PIPE_TEXTURE_1D; target < PIPE_MAX_TEXTURE_TYPES; target++) { 1106 if (!has_arraytex && 1107 (target == PIPE_TEXTURE_1D_ARRAY || 1108 target == PIPE_TEXTURE_2D_ARRAY)) { 1109 continue; 1110 } 1111 if (!has_cubearraytex && 1112 (target == PIPE_TEXTURE_CUBE_ARRAY)) 1113 continue; 1114 1115 if (samples > 1 && 1116 (target != PIPE_TEXTURE_2D && 1117 target != PIPE_TEXTURE_2D_ARRAY)) 1118 continue; 1119 1120 /* If samples == 1, the shaders read one texel. If samples >= 1, 1121 * they read one sample. 1122 */ 1123 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT, 1124 PIPE_FORMAT_R32_FLOAT, target, 1125 samples, samples, 0); 1126 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT, 1127 PIPE_FORMAT_R32_UINT, target, 1128 samples, samples, 0); 1129 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT, 1130 PIPE_FORMAT_R32_SINT, target, 1131 samples, samples, 0); 1132 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT, 1133 PIPE_FORMAT_R32_SINT, target, 1134 samples, samples, 0); 1135 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT, 1136 PIPE_FORMAT_R32_UINT, target, 1137 samples, samples, 0); 1138 blitter_get_fs_texfetch_depth(ctx, target, samples); 1139 if (ctx->has_stencil_export) { 1140 blitter_get_fs_texfetch_depthstencil(ctx, target, samples); 1141 blitter_get_fs_texfetch_stencil(ctx, target, samples); 1142 } 1143 1144 if (samples == 1) 1145 continue; 1146 1147 /* MSAA resolve shaders. */ 1148 for (j = 2; j < 32; j++) { 1149 if (!screen->is_format_supported(screen, PIPE_FORMAT_R32_FLOAT, 1150 target, j, 1151 PIPE_BIND_SAMPLER_VIEW)) { 1152 continue; 1153 } 1154 1155 for (f = 0; f < 2; f++) { 1156 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT, 1157 PIPE_FORMAT_R32_FLOAT, target, 1158 j, 1, f); 1159 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT, 1160 PIPE_FORMAT_R32_UINT, target, 1161 j, 1, f); 1162 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT, 1163 PIPE_FORMAT_R32_SINT, target, 1164 j, 1, f); 1165 } 1166 } 1167 } 1168 } 1169 1170 ctx->fs_empty = util_make_empty_fragment_shader(pipe); 1171 1172 ctx->fs_write_one_cbuf = 1173 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, 1174 TGSI_INTERPOLATE_CONSTANT, FALSE); 1175 1176 ctx->fs_write_all_cbufs = 1177 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, 1178 TGSI_INTERPOLATE_CONSTANT, TRUE); 1179 1180 ctx->cached_all_shaders = TRUE; 1181 } 1182 1183 static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx, 1184 boolean scissor, 1185 boolean vs_layered) 1186 { 1187 struct pipe_context *pipe = ctx->base.pipe; 1188 1189 pipe->bind_rasterizer_state(pipe, scissor ? ctx->rs_state_scissor 1190 : ctx->rs_state); 1191 if (vs_layered) 1192 bind_vs_layered(ctx); 1193 else 1194 bind_vs_passthrough(ctx); 1195 1196 if (ctx->has_geometry_shader) 1197 pipe->bind_gs_state(pipe, NULL); 1198 if (ctx->has_tessellation) { 1199 pipe->bind_tcs_state(pipe, NULL); 1200 pipe->bind_tes_state(pipe, NULL); 1201 } 1202 if (ctx->has_stream_out) 1203 pipe->set_stream_output_targets(pipe, 0, NULL, NULL); 1204 } 1205 1206 static void blitter_draw(struct blitter_context_priv *ctx, 1207 int x1, int y1, int x2, int y2, float depth, 1208 unsigned num_instances) 1209 { 1210 struct pipe_context *pipe = ctx->base.pipe; 1211 struct pipe_vertex_buffer vb = {0}; 1212 1213 blitter_set_rectangle(ctx, x1, y1, x2, y2, depth); 1214 1215 vb.stride = 8 * sizeof(float); 1216 1217 u_upload_data(ctx->upload, 0, sizeof(ctx->vertices), 4, ctx->vertices, 1218 &vb.buffer_offset, &vb.buffer); 1219 if (!vb.buffer) 1220 return; 1221 u_upload_unmap(ctx->upload); 1222 1223 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); 1224 util_draw_arrays_instanced(pipe, PIPE_PRIM_TRIANGLE_FAN, 0, 4, 1225 0, num_instances); 1226 pipe_resource_reference(&vb.buffer, NULL); 1227 } 1228 1229 void util_blitter_draw_rectangle(struct blitter_context *blitter, 1230 int x1, int y1, int x2, int y2, float depth, 1231 enum blitter_attrib_type type, 1232 const union pipe_color_union *attrib) 1233 { 1234 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1235 1236 switch (type) { 1237 case UTIL_BLITTER_ATTRIB_COLOR: 1238 blitter_set_clear_color(ctx, attrib); 1239 break; 1240 1241 case UTIL_BLITTER_ATTRIB_TEXCOORD: 1242 set_texcoords_in_vertices(attrib->f, &ctx->vertices[0][1][0], 8); 1243 break; 1244 1245 default:; 1246 } 1247 1248 blitter_draw(ctx, x1, y1, x2, y2, depth, 1); 1249 } 1250 1251 static void *get_clear_blend_state(struct blitter_context_priv *ctx, 1252 unsigned clear_buffers) 1253 { 1254 struct pipe_context *pipe = ctx->base.pipe; 1255 int index; 1256 1257 clear_buffers &= PIPE_CLEAR_COLOR; 1258 1259 /* Return an existing blend state. */ 1260 if (!clear_buffers) 1261 return ctx->blend[0][0]; 1262 1263 index = GET_CLEAR_BLEND_STATE_IDX(clear_buffers); 1264 1265 if (ctx->blend_clear[index]) 1266 return ctx->blend_clear[index]; 1267 1268 /* Create a new one. */ 1269 { 1270 struct pipe_blend_state blend = {0}; 1271 unsigned i; 1272 1273 blend.independent_blend_enable = 1; 1274 1275 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { 1276 if (clear_buffers & (PIPE_CLEAR_COLOR0 << i)) { 1277 blend.rt[i].colormask = PIPE_MASK_RGBA; 1278 } 1279 } 1280 1281 ctx->blend_clear[index] = pipe->create_blend_state(pipe, &blend); 1282 } 1283 return ctx->blend_clear[index]; 1284 } 1285 1286 void util_blitter_common_clear_setup(struct blitter_context *blitter, 1287 unsigned width, unsigned height, 1288 unsigned clear_buffers, 1289 void *custom_blend, void *custom_dsa) 1290 { 1291 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1292 struct pipe_context *pipe = ctx->base.pipe; 1293 1294 util_blitter_set_running_flag(blitter); 1295 blitter_check_saved_vertex_states(ctx); 1296 blitter_check_saved_fragment_states(ctx); 1297 blitter_disable_render_cond(ctx); 1298 1299 /* bind states */ 1300 if (custom_blend) { 1301 pipe->bind_blend_state(pipe, custom_blend); 1302 } else { 1303 pipe->bind_blend_state(pipe, get_clear_blend_state(ctx, clear_buffers)); 1304 } 1305 1306 if (custom_dsa) { 1307 pipe->bind_depth_stencil_alpha_state(pipe, custom_dsa); 1308 } else if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { 1309 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 1310 } else if (clear_buffers & PIPE_CLEAR_DEPTH) { 1311 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); 1312 } else if (clear_buffers & PIPE_CLEAR_STENCIL) { 1313 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 1314 } else { 1315 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1316 } 1317 1318 pipe->set_sample_mask(pipe, ~0); 1319 blitter_set_dst_dimensions(ctx, width, height); 1320 } 1321 1322 static void util_blitter_clear_custom(struct blitter_context *blitter, 1323 unsigned width, unsigned height, 1324 unsigned num_layers, 1325 unsigned clear_buffers, 1326 const union pipe_color_union *color, 1327 double depth, unsigned stencil, 1328 void *custom_blend, void *custom_dsa) 1329 { 1330 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1331 struct pipe_context *pipe = ctx->base.pipe; 1332 struct pipe_stencil_ref sr = { { 0 } }; 1333 1334 assert(ctx->has_layered || num_layers <= 1); 1335 1336 util_blitter_common_clear_setup(blitter, width, height, clear_buffers, 1337 custom_blend, custom_dsa); 1338 1339 sr.ref_value[0] = stencil & 0xff; 1340 pipe->set_stencil_ref(pipe, &sr); 1341 1342 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1343 bind_fs_write_all_cbufs(ctx); 1344 1345 if (num_layers > 1 && ctx->has_layered) { 1346 blitter_set_common_draw_rect_state(ctx, FALSE, TRUE); 1347 blitter_set_clear_color(ctx, color); 1348 blitter_draw(ctx, 0, 0, width, height, depth, num_layers); 1349 } 1350 else { 1351 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 1352 blitter->draw_rectangle(blitter, 0, 0, width, height, (float) depth, 1353 UTIL_BLITTER_ATTRIB_COLOR, color); 1354 } 1355 1356 util_blitter_restore_vertex_states(blitter); 1357 util_blitter_restore_fragment_states(blitter); 1358 util_blitter_restore_render_cond(blitter); 1359 util_blitter_unset_running_flag(blitter); 1360 } 1361 1362 void util_blitter_clear(struct blitter_context *blitter, 1363 unsigned width, unsigned height, unsigned num_layers, 1364 unsigned clear_buffers, 1365 const union pipe_color_union *color, 1366 double depth, unsigned stencil) 1367 { 1368 util_blitter_clear_custom(blitter, width, height, num_layers, 1369 clear_buffers, color, depth, stencil, 1370 NULL, NULL); 1371 } 1372 1373 void util_blitter_custom_clear_depth(struct blitter_context *blitter, 1374 unsigned width, unsigned height, 1375 double depth, void *custom_dsa) 1376 { 1377 static const union pipe_color_union color; 1378 util_blitter_clear_custom(blitter, width, height, 0, 0, &color, depth, 0, 1379 NULL, custom_dsa); 1380 } 1381 1382 void util_blitter_default_dst_texture(struct pipe_surface *dst_templ, 1383 struct pipe_resource *dst, 1384 unsigned dstlevel, 1385 unsigned dstz) 1386 { 1387 memset(dst_templ, 0, sizeof(*dst_templ)); 1388 dst_templ->format = util_format_linear(dst->format); 1389 dst_templ->u.tex.level = dstlevel; 1390 dst_templ->u.tex.first_layer = dstz; 1391 dst_templ->u.tex.last_layer = dstz; 1392 } 1393 1394 static struct pipe_surface * 1395 util_blitter_get_next_surface_layer(struct pipe_context *pipe, 1396 struct pipe_surface *surf) 1397 { 1398 struct pipe_surface dst_templ; 1399 1400 memset(&dst_templ, 0, sizeof(dst_templ)); 1401 dst_templ.format = surf->format; 1402 dst_templ.u.tex.level = surf->u.tex.level; 1403 dst_templ.u.tex.first_layer = surf->u.tex.first_layer + 1; 1404 dst_templ.u.tex.last_layer = surf->u.tex.last_layer + 1; 1405 1406 return pipe->create_surface(pipe, surf->texture, &dst_templ); 1407 } 1408 1409 void util_blitter_default_src_texture(struct pipe_sampler_view *src_templ, 1410 struct pipe_resource *src, 1411 unsigned srclevel) 1412 { 1413 memset(src_templ, 0, sizeof(*src_templ)); 1414 src_templ->target = src->target; 1415 src_templ->format = util_format_linear(src->format); 1416 src_templ->u.tex.first_level = srclevel; 1417 src_templ->u.tex.last_level = srclevel; 1418 src_templ->u.tex.first_layer = 0; 1419 src_templ->u.tex.last_layer = 1420 src->target == PIPE_TEXTURE_3D ? u_minify(src->depth0, srclevel) - 1 1421 : src->array_size - 1; 1422 src_templ->swizzle_r = PIPE_SWIZZLE_X; 1423 src_templ->swizzle_g = PIPE_SWIZZLE_Y; 1424 src_templ->swizzle_b = PIPE_SWIZZLE_Z; 1425 src_templ->swizzle_a = PIPE_SWIZZLE_W; 1426 } 1427 1428 static boolean is_blit_generic_supported(struct blitter_context *blitter, 1429 const struct pipe_resource *dst, 1430 enum pipe_format dst_format, 1431 const struct pipe_resource *src, 1432 enum pipe_format src_format, 1433 unsigned mask) 1434 { 1435 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1436 struct pipe_screen *screen = ctx->base.pipe->screen; 1437 1438 if (dst) { 1439 unsigned bind; 1440 const struct util_format_description *desc = 1441 util_format_description(dst_format); 1442 boolean dst_has_stencil = util_format_has_stencil(desc); 1443 1444 /* Stencil export must be supported for stencil copy. */ 1445 if ((mask & PIPE_MASK_S) && dst_has_stencil && 1446 !ctx->has_stencil_export) { 1447 return FALSE; 1448 } 1449 1450 if (dst_has_stencil || util_format_has_depth(desc)) 1451 bind = PIPE_BIND_DEPTH_STENCIL; 1452 else 1453 bind = PIPE_BIND_RENDER_TARGET; 1454 1455 if (!screen->is_format_supported(screen, dst_format, dst->target, 1456 dst->nr_samples, bind)) { 1457 return FALSE; 1458 } 1459 } 1460 1461 if (src) { 1462 if (src->nr_samples > 1 && !ctx->has_texture_multisample) { 1463 return FALSE; 1464 } 1465 1466 if (!screen->is_format_supported(screen, src_format, src->target, 1467 src->nr_samples, PIPE_BIND_SAMPLER_VIEW)) { 1468 return FALSE; 1469 } 1470 1471 /* Check stencil sampler support for stencil copy. */ 1472 if (mask & PIPE_MASK_S) { 1473 if (util_format_has_stencil(util_format_description(src_format))) { 1474 enum pipe_format stencil_format = 1475 util_format_stencil_only(src_format); 1476 assert(stencil_format != PIPE_FORMAT_NONE); 1477 1478 if (stencil_format != src_format && 1479 !screen->is_format_supported(screen, stencil_format, 1480 src->target, src->nr_samples, 1481 PIPE_BIND_SAMPLER_VIEW)) { 1482 return FALSE; 1483 } 1484 } 1485 } 1486 } 1487 1488 return TRUE; 1489 } 1490 1491 boolean util_blitter_is_copy_supported(struct blitter_context *blitter, 1492 const struct pipe_resource *dst, 1493 const struct pipe_resource *src) 1494 { 1495 return is_blit_generic_supported(blitter, dst, dst->format, 1496 src, src->format, PIPE_MASK_RGBAZS); 1497 } 1498 1499 boolean util_blitter_is_blit_supported(struct blitter_context *blitter, 1500 const struct pipe_blit_info *info) 1501 { 1502 return is_blit_generic_supported(blitter, 1503 info->dst.resource, info->dst.format, 1504 info->src.resource, info->src.format, 1505 info->mask); 1506 } 1507 1508 void util_blitter_copy_texture(struct blitter_context *blitter, 1509 struct pipe_resource *dst, 1510 unsigned dst_level, 1511 unsigned dstx, unsigned dsty, unsigned dstz, 1512 struct pipe_resource *src, 1513 unsigned src_level, 1514 const struct pipe_box *srcbox) 1515 { 1516 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1517 struct pipe_context *pipe = ctx->base.pipe; 1518 struct pipe_surface *dst_view, dst_templ; 1519 struct pipe_sampler_view src_templ, *src_view; 1520 struct pipe_box dstbox; 1521 1522 assert(dst && src); 1523 assert(src->target < PIPE_MAX_TEXTURE_TYPES); 1524 1525 u_box_3d(dstx, dsty, dstz, abs(srcbox->width), abs(srcbox->height), 1526 abs(srcbox->depth), &dstbox); 1527 1528 /* Initialize the surface. */ 1529 util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz); 1530 dst_view = pipe->create_surface(pipe, dst, &dst_templ); 1531 1532 /* Initialize the sampler view. */ 1533 util_blitter_default_src_texture(&src_templ, src, src_level); 1534 src_view = pipe->create_sampler_view(pipe, src, &src_templ); 1535 1536 /* Copy. */ 1537 util_blitter_blit_generic(blitter, dst_view, &dstbox, 1538 src_view, srcbox, src->width0, src->height0, 1539 PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL, 1540 FALSE); 1541 1542 pipe_surface_reference(&dst_view, NULL); 1543 pipe_sampler_view_reference(&src_view, NULL); 1544 } 1545 1546 static void do_blits(struct blitter_context_priv *ctx, 1547 struct pipe_surface *dst, 1548 const struct pipe_box *dstbox, 1549 struct pipe_sampler_view *src, 1550 unsigned src_width0, 1551 unsigned src_height0, 1552 const struct pipe_box *srcbox, 1553 bool is_zsbuf) 1554 { 1555 struct pipe_context *pipe = ctx->base.pipe; 1556 unsigned src_samples = src->texture->nr_samples; 1557 unsigned dst_samples = dst->texture->nr_samples; 1558 enum pipe_texture_target src_target = src->texture->target; 1559 struct pipe_framebuffer_state fb_state = {0}; 1560 1561 /* Initialize framebuffer state. */ 1562 fb_state.width = dst->width; 1563 fb_state.height = dst->height; 1564 fb_state.nr_cbufs = is_zsbuf ? 0 : 1; 1565 1566 blitter_set_dst_dimensions(ctx, fb_state.width, fb_state.height); 1567 1568 if ((src_target == PIPE_TEXTURE_1D || 1569 src_target == PIPE_TEXTURE_2D || 1570 src_target == PIPE_TEXTURE_RECT) && 1571 src_samples <= 1) { 1572 /* Draw the quad with the draw_rectangle callback. */ 1573 1574 /* Set texture coordinates. - use a pipe color union 1575 * for interface purposes. 1576 * XXX pipe_color_union is a wrong name since we use that to set 1577 * texture coordinates too. 1578 */ 1579 union pipe_color_union coord; 1580 get_texcoords(src, src_width0, src_height0, srcbox->x, srcbox->y, 1581 srcbox->x+srcbox->width, srcbox->y+srcbox->height, coord.f); 1582 1583 /* Set framebuffer state. */ 1584 if (is_zsbuf) { 1585 fb_state.zsbuf = dst; 1586 } else { 1587 fb_state.cbufs[0] = dst; 1588 } 1589 pipe->set_framebuffer_state(pipe, &fb_state); 1590 1591 /* Draw. */ 1592 pipe->set_sample_mask(pipe, ~0); 1593 ctx->base.draw_rectangle(&ctx->base, dstbox->x, dstbox->y, 1594 dstbox->x + dstbox->width, 1595 dstbox->y + dstbox->height, 0, 1596 UTIL_BLITTER_ATTRIB_TEXCOORD, &coord); 1597 } else { 1598 /* Draw the quad with the generic codepath. */ 1599 int dst_z; 1600 for (dst_z = 0; dst_z < dstbox->depth; dst_z++) { 1601 struct pipe_surface *old; 1602 float dst2src_scale = srcbox->depth / (float)dstbox->depth; 1603 1604 /* Scale Z properly if the blit is scaled. 1605 * 1606 * When downscaling, we want the coordinates centered, so that 1607 * mipmapping works for 3D textures. For example, when generating 1608 * a 4x4x4 level, this wouldn't average the pixels: 1609 * 1610 * src Z: 0 1 2 3 4 5 6 7 1611 * dst Z: 0 1 2 3 1612 * 1613 * Because the pixels are not centered below the pixels of the higher 1614 * level. Therefore, we want this: 1615 * src Z: 0 1 2 3 4 5 6 7 1616 * dst Z: 0 1 2 3 1617 * 1618 * dst_offset defines the offset needed for centering the pixels and 1619 * it works with any scaling (not just 2x). 1620 */ 1621 float dst_offset = ((srcbox->depth - 1) - 1622 (dstbox->depth - 1) * dst2src_scale) * 0.5; 1623 float src_z = (dst_z + dst_offset) * dst2src_scale; 1624 1625 /* Set framebuffer state. */ 1626 if (is_zsbuf) { 1627 fb_state.zsbuf = dst; 1628 } else { 1629 fb_state.cbufs[0] = dst; 1630 } 1631 pipe->set_framebuffer_state(pipe, &fb_state); 1632 1633 /* See if we need to blit a multisample or singlesample buffer. */ 1634 if (src_samples == dst_samples && dst_samples > 1) { 1635 /* MSAA copy. */ 1636 unsigned i, max_sample = dst_samples - 1; 1637 1638 for (i = 0; i <= max_sample; i++) { 1639 pipe->set_sample_mask(pipe, 1 << i); 1640 blitter_set_texcoords(ctx, src, src_width0, src_height0, 1641 srcbox->z + src_z, 1642 i, srcbox->x, srcbox->y, 1643 srcbox->x + srcbox->width, 1644 srcbox->y + srcbox->height); 1645 blitter_draw(ctx, dstbox->x, dstbox->y, 1646 dstbox->x + dstbox->width, 1647 dstbox->y + dstbox->height, 0, 1); 1648 } 1649 } else { 1650 /* Normal copy, MSAA upsampling, or MSAA resolve. */ 1651 pipe->set_sample_mask(pipe, ~0); 1652 blitter_set_texcoords(ctx, src, src_width0, src_height0, 1653 srcbox->z + src_z, 0, 1654 srcbox->x, srcbox->y, 1655 srcbox->x + srcbox->width, 1656 srcbox->y + srcbox->height); 1657 blitter_draw(ctx, dstbox->x, dstbox->y, 1658 dstbox->x + dstbox->width, 1659 dstbox->y + dstbox->height, 0, 1); 1660 } 1661 1662 /* Get the next surface or (if this is the last iteration) 1663 * just unreference the last one. */ 1664 old = dst; 1665 if (dst_z < dstbox->depth-1) { 1666 dst = ctx->base.get_next_surface_layer(ctx->base.pipe, dst); 1667 } 1668 if (dst_z) { 1669 pipe_surface_reference(&old, NULL); 1670 } 1671 } 1672 } 1673 } 1674 1675 void util_blitter_blit_generic(struct blitter_context *blitter, 1676 struct pipe_surface *dst, 1677 const struct pipe_box *dstbox, 1678 struct pipe_sampler_view *src, 1679 const struct pipe_box *srcbox, 1680 unsigned src_width0, unsigned src_height0, 1681 unsigned mask, unsigned filter, 1682 const struct pipe_scissor_state *scissor, 1683 boolean alpha_blend) 1684 { 1685 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1686 struct pipe_context *pipe = ctx->base.pipe; 1687 enum pipe_texture_target src_target = src->texture->target; 1688 unsigned src_samples = src->texture->nr_samples; 1689 unsigned dst_samples = dst->texture->nr_samples; 1690 boolean has_depth, has_stencil, has_color; 1691 boolean blit_stencil, blit_depth, blit_color; 1692 void *sampler_state; 1693 const struct util_format_description *src_desc = 1694 util_format_description(src->format); 1695 const struct util_format_description *dst_desc = 1696 util_format_description(dst->format); 1697 1698 has_color = src_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS && 1699 dst_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS; 1700 has_depth = util_format_has_depth(src_desc) && 1701 util_format_has_depth(dst_desc); 1702 has_stencil = util_format_has_stencil(src_desc) && 1703 util_format_has_stencil(dst_desc); 1704 1705 blit_color = has_color && (mask & PIPE_MASK_RGBA); 1706 blit_depth = has_depth && (mask & PIPE_MASK_Z); 1707 blit_stencil = has_stencil && (mask & PIPE_MASK_S) && 1708 ctx->has_stencil_export; 1709 1710 if (!blit_stencil && !blit_depth && !blit_color) { 1711 return; 1712 } 1713 1714 if (blit_stencil || 1715 (dstbox->width == abs(srcbox->width) && 1716 dstbox->height == abs(srcbox->height))) { 1717 filter = PIPE_TEX_FILTER_NEAREST; 1718 } 1719 1720 /* Check whether the states are properly saved. */ 1721 util_blitter_set_running_flag(blitter); 1722 blitter_check_saved_vertex_states(ctx); 1723 blitter_check_saved_fragment_states(ctx); 1724 blitter_check_saved_textures(ctx); 1725 blitter_check_saved_fb_state(ctx); 1726 blitter_disable_render_cond(ctx); 1727 1728 if (blit_depth || blit_stencil) { 1729 pipe->bind_blend_state(pipe, ctx->blend[0][0]); 1730 1731 if (blit_depth && blit_stencil) { 1732 pipe->bind_depth_stencil_alpha_state(pipe, 1733 ctx->dsa_write_depth_stencil); 1734 ctx->bind_fs_state(pipe, 1735 blitter_get_fs_texfetch_depthstencil(ctx, src_target, 1736 src_samples)); 1737 } else if (blit_depth) { 1738 pipe->bind_depth_stencil_alpha_state(pipe, 1739 ctx->dsa_write_depth_keep_stencil); 1740 ctx->bind_fs_state(pipe, 1741 blitter_get_fs_texfetch_depth(ctx, src_target, 1742 src_samples)); 1743 } else { /* is_stencil */ 1744 pipe->bind_depth_stencil_alpha_state(pipe, 1745 ctx->dsa_keep_depth_write_stencil); 1746 ctx->bind_fs_state(pipe, 1747 blitter_get_fs_texfetch_stencil(ctx, src_target, 1748 src_samples)); 1749 } 1750 1751 } else { 1752 unsigned colormask = mask & PIPE_MASK_RGBA; 1753 1754 pipe->bind_blend_state(pipe, ctx->blend[colormask][alpha_blend]); 1755 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1756 ctx->bind_fs_state(pipe, 1757 blitter_get_fs_texfetch_col(ctx, src->format, dst->format, src_target, 1758 src_samples, dst_samples, filter)); 1759 } 1760 1761 /* Set the linear filter only for scaled color non-MSAA blits. */ 1762 if (filter == PIPE_TEX_FILTER_LINEAR) { 1763 if (src_target == PIPE_TEXTURE_RECT) { 1764 sampler_state = ctx->sampler_state_rect_linear; 1765 } else { 1766 sampler_state = ctx->sampler_state_linear; 1767 } 1768 } else { 1769 if (src_target == PIPE_TEXTURE_RECT) { 1770 sampler_state = ctx->sampler_state_rect; 1771 } else { 1772 sampler_state = ctx->sampler_state; 1773 } 1774 } 1775 1776 /* Set samplers. */ 1777 if (blit_depth && blit_stencil) { 1778 /* Setup two samplers, one for depth and the other one for stencil. */ 1779 struct pipe_sampler_view templ; 1780 struct pipe_sampler_view *views[2]; 1781 void *samplers[2] = {sampler_state, sampler_state}; 1782 1783 templ = *src; 1784 templ.format = util_format_stencil_only(templ.format); 1785 assert(templ.format != PIPE_FORMAT_NONE); 1786 1787 views[0] = src; 1788 views[1] = pipe->create_sampler_view(pipe, src->texture, &templ); 1789 1790 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 2, views); 1791 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 2, samplers); 1792 1793 pipe_sampler_view_reference(&views[1], NULL); 1794 } else if (blit_stencil) { 1795 /* Set a stencil-only sampler view for it not to sample depth instead. */ 1796 struct pipe_sampler_view templ; 1797 struct pipe_sampler_view *view; 1798 1799 templ = *src; 1800 templ.format = util_format_stencil_only(templ.format); 1801 assert(templ.format != PIPE_FORMAT_NONE); 1802 1803 view = pipe->create_sampler_view(pipe, src->texture, &templ); 1804 1805 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &view); 1806 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 1807 0, 1, &sampler_state); 1808 1809 pipe_sampler_view_reference(&view, NULL); 1810 } else { 1811 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &src); 1812 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 1813 0, 1, &sampler_state); 1814 } 1815 1816 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1817 if (scissor) { 1818 pipe->set_scissor_states(pipe, 0, 1, scissor); 1819 } 1820 1821 blitter_set_common_draw_rect_state(ctx, scissor != NULL, FALSE); 1822 1823 do_blits(ctx, dst, dstbox, src, src_width0, src_height0, 1824 srcbox, blit_depth || blit_stencil); 1825 1826 util_blitter_restore_vertex_states(blitter); 1827 util_blitter_restore_fragment_states(blitter); 1828 util_blitter_restore_textures(blitter); 1829 util_blitter_restore_fb_state(blitter); 1830 if (scissor) { 1831 pipe->set_scissor_states(pipe, 0, 1, &ctx->base.saved_scissor); 1832 } 1833 util_blitter_restore_render_cond(blitter); 1834 util_blitter_unset_running_flag(blitter); 1835 } 1836 1837 void 1838 util_blitter_blit(struct blitter_context *blitter, 1839 const struct pipe_blit_info *info) 1840 { 1841 struct pipe_resource *dst = info->dst.resource; 1842 struct pipe_resource *src = info->src.resource; 1843 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1844 struct pipe_context *pipe = ctx->base.pipe; 1845 struct pipe_surface *dst_view, dst_templ; 1846 struct pipe_sampler_view src_templ, *src_view; 1847 1848 /* Initialize the surface. */ 1849 util_blitter_default_dst_texture(&dst_templ, dst, info->dst.level, 1850 info->dst.box.z); 1851 dst_templ.format = info->dst.format; 1852 dst_view = pipe->create_surface(pipe, dst, &dst_templ); 1853 1854 /* Initialize the sampler view. */ 1855 util_blitter_default_src_texture(&src_templ, src, info->src.level); 1856 src_templ.format = info->src.format; 1857 src_view = pipe->create_sampler_view(pipe, src, &src_templ); 1858 1859 /* Copy. */ 1860 util_blitter_blit_generic(blitter, dst_view, &info->dst.box, 1861 src_view, &info->src.box, src->width0, src->height0, 1862 info->mask, info->filter, 1863 info->scissor_enable ? &info->scissor : NULL, 1864 info->alpha_blend); 1865 1866 pipe_surface_reference(&dst_view, NULL); 1867 pipe_sampler_view_reference(&src_view, NULL); 1868 } 1869 1870 void util_blitter_generate_mipmap(struct blitter_context *blitter, 1871 struct pipe_resource *tex, 1872 enum pipe_format format, 1873 unsigned base_level, unsigned last_level, 1874 unsigned first_layer, unsigned last_layer) 1875 { 1876 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1877 struct pipe_context *pipe = ctx->base.pipe; 1878 struct pipe_surface dst_templ, *dst_view; 1879 struct pipe_sampler_view src_templ, *src_view; 1880 boolean is_depth; 1881 void *sampler_state; 1882 const struct util_format_description *desc = 1883 util_format_description(format); 1884 unsigned src_level; 1885 1886 assert(tex->nr_samples <= 1); 1887 assert(!util_format_has_stencil(desc)); 1888 1889 is_depth = desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS; 1890 1891 /* Check whether the states are properly saved. */ 1892 util_blitter_set_running_flag(blitter); 1893 blitter_check_saved_vertex_states(ctx); 1894 blitter_check_saved_fragment_states(ctx); 1895 blitter_check_saved_textures(ctx); 1896 blitter_check_saved_fb_state(ctx); 1897 blitter_disable_render_cond(ctx); 1898 1899 /* Set states. */ 1900 if (is_depth) { 1901 pipe->bind_blend_state(pipe, ctx->blend[0][0]); 1902 pipe->bind_depth_stencil_alpha_state(pipe, 1903 ctx->dsa_write_depth_keep_stencil); 1904 ctx->bind_fs_state(pipe, 1905 blitter_get_fs_texfetch_depth(ctx, tex->target, 1)); 1906 } else { 1907 pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]); 1908 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1909 ctx->bind_fs_state(pipe, 1910 blitter_get_fs_texfetch_col(ctx, tex->format, tex->format, tex->target, 1911 1, 1, PIPE_TEX_FILTER_LINEAR)); 1912 } 1913 1914 if (tex->target == PIPE_TEXTURE_RECT) { 1915 sampler_state = ctx->sampler_state_rect_linear; 1916 } else { 1917 sampler_state = ctx->sampler_state_linear; 1918 } 1919 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 1920 0, 1, &sampler_state); 1921 1922 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1923 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 1924 1925 for (src_level = base_level; src_level < last_level; src_level++) { 1926 struct pipe_box dstbox = {0}, srcbox = {0}; 1927 unsigned dst_level = src_level + 1; 1928 1929 dstbox.width = u_minify(tex->width0, dst_level); 1930 dstbox.height = u_minify(tex->height0, dst_level); 1931 1932 srcbox.width = u_minify(tex->width0, src_level); 1933 srcbox.height = u_minify(tex->height0, src_level); 1934 1935 if (tex->target == PIPE_TEXTURE_3D) { 1936 dstbox.depth = util_max_layer(tex, dst_level) + 1; 1937 srcbox.depth = util_max_layer(tex, src_level) + 1; 1938 } else { 1939 dstbox.z = srcbox.z = first_layer; 1940 dstbox.depth = srcbox.depth = last_layer - first_layer + 1; 1941 } 1942 1943 /* Initialize the surface. */ 1944 util_blitter_default_dst_texture(&dst_templ, tex, dst_level, 1945 first_layer); 1946 dst_templ.format = format; 1947 dst_view = pipe->create_surface(pipe, tex, &dst_templ); 1948 1949 /* Initialize the sampler view. */ 1950 util_blitter_default_src_texture(&src_templ, tex, src_level); 1951 src_templ.format = format; 1952 src_view = pipe->create_sampler_view(pipe, tex, &src_templ); 1953 1954 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &src_view); 1955 1956 do_blits(ctx, dst_view, &dstbox, src_view, tex->width0, tex->height0, 1957 &srcbox, is_depth); 1958 1959 pipe_surface_reference(&dst_view, NULL); 1960 pipe_sampler_view_reference(&src_view, NULL); 1961 } 1962 1963 util_blitter_restore_vertex_states(blitter); 1964 util_blitter_restore_fragment_states(blitter); 1965 util_blitter_restore_textures(blitter); 1966 util_blitter_restore_fb_state(blitter); 1967 util_blitter_restore_render_cond(blitter); 1968 util_blitter_unset_running_flag(blitter); 1969 } 1970 1971 /* Clear a region of a color surface to a constant value. */ 1972 void util_blitter_clear_render_target(struct blitter_context *blitter, 1973 struct pipe_surface *dstsurf, 1974 const union pipe_color_union *color, 1975 unsigned dstx, unsigned dsty, 1976 unsigned width, unsigned height) 1977 { 1978 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1979 struct pipe_context *pipe = ctx->base.pipe; 1980 struct pipe_framebuffer_state fb_state; 1981 unsigned num_layers; 1982 1983 assert(dstsurf->texture); 1984 if (!dstsurf->texture) 1985 return; 1986 1987 /* check the saved state */ 1988 util_blitter_set_running_flag(blitter); 1989 blitter_check_saved_vertex_states(ctx); 1990 blitter_check_saved_fragment_states(ctx); 1991 blitter_check_saved_fb_state(ctx); 1992 blitter_disable_render_cond(ctx); 1993 1994 /* bind states */ 1995 pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]); 1996 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1997 bind_fs_write_one_cbuf(ctx); 1998 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1999 2000 /* set a framebuffer state */ 2001 fb_state.width = dstsurf->width; 2002 fb_state.height = dstsurf->height; 2003 fb_state.nr_cbufs = 1; 2004 fb_state.cbufs[0] = dstsurf; 2005 fb_state.zsbuf = 0; 2006 pipe->set_framebuffer_state(pipe, &fb_state); 2007 pipe->set_sample_mask(pipe, ~0); 2008 2009 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 2010 2011 num_layers = dstsurf->u.tex.last_layer - dstsurf->u.tex.first_layer + 1; 2012 if (num_layers > 1 && ctx->has_layered) { 2013 blitter_set_common_draw_rect_state(ctx, FALSE, TRUE); 2014 blitter_set_clear_color(ctx, color); 2015 blitter_draw(ctx, dstx, dsty, dstx+width, dsty+height, 0, num_layers); 2016 } 2017 else { 2018 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 2019 blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, 0, 2020 UTIL_BLITTER_ATTRIB_COLOR, color); 2021 } 2022 2023 util_blitter_restore_vertex_states(blitter); 2024 util_blitter_restore_fragment_states(blitter); 2025 util_blitter_restore_fb_state(blitter); 2026 util_blitter_restore_render_cond(blitter); 2027 util_blitter_unset_running_flag(blitter); 2028 } 2029 2030 /* Clear a region of a depth stencil surface. */ 2031 void util_blitter_clear_depth_stencil(struct blitter_context *blitter, 2032 struct pipe_surface *dstsurf, 2033 unsigned clear_flags, 2034 double depth, 2035 unsigned stencil, 2036 unsigned dstx, unsigned dsty, 2037 unsigned width, unsigned height) 2038 { 2039 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2040 struct pipe_context *pipe = ctx->base.pipe; 2041 struct pipe_framebuffer_state fb_state; 2042 struct pipe_stencil_ref sr = { { 0 } }; 2043 unsigned num_layers; 2044 2045 assert(dstsurf->texture); 2046 if (!dstsurf->texture) 2047 return; 2048 2049 /* check the saved state */ 2050 util_blitter_set_running_flag(blitter); 2051 blitter_check_saved_vertex_states(ctx); 2052 blitter_check_saved_fragment_states(ctx); 2053 blitter_check_saved_fb_state(ctx); 2054 blitter_disable_render_cond(ctx); 2055 2056 /* bind states */ 2057 pipe->bind_blend_state(pipe, ctx->blend[0][0]); 2058 if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { 2059 sr.ref_value[0] = stencil & 0xff; 2060 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 2061 pipe->set_stencil_ref(pipe, &sr); 2062 } 2063 else if (clear_flags & PIPE_CLEAR_DEPTH) { 2064 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); 2065 } 2066 else if (clear_flags & PIPE_CLEAR_STENCIL) { 2067 sr.ref_value[0] = stencil & 0xff; 2068 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 2069 pipe->set_stencil_ref(pipe, &sr); 2070 } 2071 else 2072 /* hmm that should be illegal probably, or make it a no-op somewhere */ 2073 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 2074 2075 bind_fs_empty(ctx); 2076 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 2077 2078 /* set a framebuffer state */ 2079 fb_state.width = dstsurf->width; 2080 fb_state.height = dstsurf->height; 2081 fb_state.nr_cbufs = 0; 2082 fb_state.cbufs[0] = 0; 2083 fb_state.zsbuf = dstsurf; 2084 pipe->set_framebuffer_state(pipe, &fb_state); 2085 pipe->set_sample_mask(pipe, ~0); 2086 2087 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 2088 2089 num_layers = dstsurf->u.tex.last_layer - dstsurf->u.tex.first_layer + 1; 2090 if (num_layers > 1 && ctx->has_layered) { 2091 blitter_set_common_draw_rect_state(ctx, FALSE, TRUE); 2092 blitter_draw(ctx, dstx, dsty, dstx+width, dsty+height, (float) depth, num_layers); 2093 } 2094 else { 2095 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 2096 blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, 2097 (float) depth, 2098 UTIL_BLITTER_ATTRIB_NONE, NULL); 2099 } 2100 2101 util_blitter_restore_vertex_states(blitter); 2102 util_blitter_restore_fragment_states(blitter); 2103 util_blitter_restore_fb_state(blitter); 2104 util_blitter_restore_render_cond(blitter); 2105 util_blitter_unset_running_flag(blitter); 2106 } 2107 2108 /* draw a rectangle across a region using a custom dsa stage - for r600g */ 2109 void util_blitter_custom_depth_stencil(struct blitter_context *blitter, 2110 struct pipe_surface *zsurf, 2111 struct pipe_surface *cbsurf, 2112 unsigned sample_mask, 2113 void *dsa_stage, float depth) 2114 { 2115 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2116 struct pipe_context *pipe = ctx->base.pipe; 2117 struct pipe_framebuffer_state fb_state; 2118 2119 assert(zsurf->texture); 2120 if (!zsurf->texture) 2121 return; 2122 2123 /* check the saved state */ 2124 util_blitter_set_running_flag(blitter); 2125 blitter_check_saved_vertex_states(ctx); 2126 blitter_check_saved_fragment_states(ctx); 2127 blitter_check_saved_fb_state(ctx); 2128 blitter_disable_render_cond(ctx); 2129 2130 /* bind states */ 2131 pipe->bind_blend_state(pipe, cbsurf ? ctx->blend[PIPE_MASK_RGBA][0] : 2132 ctx->blend[0][0]); 2133 pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage); 2134 if (cbsurf) 2135 bind_fs_write_one_cbuf(ctx); 2136 else 2137 bind_fs_empty(ctx); 2138 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 2139 2140 /* set a framebuffer state */ 2141 fb_state.width = zsurf->width; 2142 fb_state.height = zsurf->height; 2143 fb_state.nr_cbufs = 1; 2144 if (cbsurf) { 2145 fb_state.cbufs[0] = cbsurf; 2146 fb_state.nr_cbufs = 1; 2147 } else { 2148 fb_state.cbufs[0] = NULL; 2149 fb_state.nr_cbufs = 0; 2150 } 2151 fb_state.zsbuf = zsurf; 2152 pipe->set_framebuffer_state(pipe, &fb_state); 2153 pipe->set_sample_mask(pipe, sample_mask); 2154 2155 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 2156 blitter_set_dst_dimensions(ctx, zsurf->width, zsurf->height); 2157 blitter->draw_rectangle(blitter, 0, 0, zsurf->width, zsurf->height, depth, 2158 UTIL_BLITTER_ATTRIB_NONE, NULL); 2159 2160 util_blitter_restore_vertex_states(blitter); 2161 util_blitter_restore_fragment_states(blitter); 2162 util_blitter_restore_fb_state(blitter); 2163 util_blitter_restore_render_cond(blitter); 2164 util_blitter_unset_running_flag(blitter); 2165 } 2166 2167 void util_blitter_copy_buffer(struct blitter_context *blitter, 2168 struct pipe_resource *dst, 2169 unsigned dstx, 2170 struct pipe_resource *src, 2171 unsigned srcx, 2172 unsigned size) 2173 { 2174 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2175 struct pipe_context *pipe = ctx->base.pipe; 2176 struct pipe_vertex_buffer vb; 2177 struct pipe_stream_output_target *so_target; 2178 unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0}; 2179 2180 if (srcx >= src->width0 || 2181 dstx >= dst->width0) { 2182 return; 2183 } 2184 if (srcx + size > src->width0) { 2185 size = src->width0 - srcx; 2186 } 2187 if (dstx + size > dst->width0) { 2188 size = dst->width0 - dstx; 2189 } 2190 2191 /* Drivers not capable of Stream Out should not call this function 2192 * in the first place. */ 2193 assert(ctx->has_stream_out); 2194 2195 /* Some alignment is required. */ 2196 if (srcx % 4 != 0 || dstx % 4 != 0 || size % 4 != 0 || 2197 !ctx->has_stream_out) { 2198 struct pipe_box box; 2199 u_box_1d(srcx, size, &box); 2200 util_resource_copy_region(pipe, dst, 0, dstx, 0, 0, src, 0, &box); 2201 return; 2202 } 2203 2204 util_blitter_set_running_flag(blitter); 2205 blitter_check_saved_vertex_states(ctx); 2206 blitter_disable_render_cond(ctx); 2207 2208 vb.buffer = src; 2209 vb.buffer_offset = srcx; 2210 vb.stride = 4; 2211 2212 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); 2213 pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf[0]); 2214 bind_vs_pos_only(ctx, 1); 2215 if (ctx->has_geometry_shader) 2216 pipe->bind_gs_state(pipe, NULL); 2217 if (ctx->has_tessellation) { 2218 pipe->bind_tcs_state(pipe, NULL); 2219 pipe->bind_tes_state(pipe, NULL); 2220 } 2221 pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state); 2222 2223 so_target = pipe->create_stream_output_target(pipe, dst, dstx, size); 2224 pipe->set_stream_output_targets(pipe, 1, &so_target, offsets); 2225 2226 util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); 2227 2228 util_blitter_restore_vertex_states(blitter); 2229 util_blitter_restore_render_cond(blitter); 2230 util_blitter_unset_running_flag(blitter); 2231 pipe_so_target_reference(&so_target, NULL); 2232 } 2233 2234 void util_blitter_clear_buffer(struct blitter_context *blitter, 2235 struct pipe_resource *dst, 2236 unsigned offset, unsigned size, 2237 unsigned num_channels, 2238 const union pipe_color_union *clear_value) 2239 { 2240 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2241 struct pipe_context *pipe = ctx->base.pipe; 2242 struct pipe_vertex_buffer vb = {0}; 2243 struct pipe_stream_output_target *so_target = NULL; 2244 unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0}; 2245 2246 assert(num_channels >= 1); 2247 assert(num_channels <= 4); 2248 2249 /* IMPORTANT: DON'T DO ANY BOUNDS CHECKING HERE! 2250 * 2251 * R600 uses this to initialize texture resources, so width0 might not be 2252 * what you think it is. 2253 */ 2254 2255 /* Streamout is required. */ 2256 if (!ctx->has_stream_out) { 2257 assert(!"Streamout unsupported in util_blitter_clear_buffer()"); 2258 return; 2259 } 2260 2261 /* Some alignment is required. */ 2262 if (offset % 4 != 0 || size % 4 != 0) { 2263 assert(!"Bad alignment in util_blitter_clear_buffer()"); 2264 return; 2265 } 2266 2267 u_upload_data(ctx->upload, 0, num_channels*4, 4, clear_value, 2268 &vb.buffer_offset, &vb.buffer); 2269 if (!vb.buffer) 2270 goto out; 2271 2272 vb.stride = 0; 2273 2274 util_blitter_set_running_flag(blitter); 2275 blitter_check_saved_vertex_states(ctx); 2276 blitter_disable_render_cond(ctx); 2277 2278 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); 2279 pipe->bind_vertex_elements_state(pipe, 2280 ctx->velem_state_readbuf[num_channels-1]); 2281 bind_vs_pos_only(ctx, num_channels); 2282 if (ctx->has_geometry_shader) 2283 pipe->bind_gs_state(pipe, NULL); 2284 if (ctx->has_tessellation) { 2285 pipe->bind_tcs_state(pipe, NULL); 2286 pipe->bind_tes_state(pipe, NULL); 2287 } 2288 pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state); 2289 2290 so_target = pipe->create_stream_output_target(pipe, dst, offset, size); 2291 pipe->set_stream_output_targets(pipe, 1, &so_target, offsets); 2292 2293 util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); 2294 2295 out: 2296 util_blitter_restore_vertex_states(blitter); 2297 util_blitter_restore_render_cond(blitter); 2298 util_blitter_unset_running_flag(blitter); 2299 pipe_so_target_reference(&so_target, NULL); 2300 pipe_resource_reference(&vb.buffer, NULL); 2301 } 2302 2303 /* probably radeon specific */ 2304 void util_blitter_custom_resolve_color(struct blitter_context *blitter, 2305 struct pipe_resource *dst, 2306 unsigned dst_level, 2307 unsigned dst_layer, 2308 struct pipe_resource *src, 2309 unsigned src_layer, 2310 unsigned sample_mask, 2311 void *custom_blend, 2312 enum pipe_format format) 2313 { 2314 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2315 struct pipe_context *pipe = ctx->base.pipe; 2316 struct pipe_framebuffer_state fb_state; 2317 struct pipe_surface *srcsurf, *dstsurf, surf_tmpl; 2318 2319 util_blitter_set_running_flag(blitter); 2320 blitter_check_saved_vertex_states(ctx); 2321 blitter_check_saved_fragment_states(ctx); 2322 blitter_disable_render_cond(ctx); 2323 2324 /* bind states */ 2325 pipe->bind_blend_state(pipe, custom_blend); 2326 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 2327 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 2328 bind_fs_write_one_cbuf(ctx); 2329 pipe->set_sample_mask(pipe, sample_mask); 2330 2331 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 2332 surf_tmpl.format = format; 2333 surf_tmpl.u.tex.level = dst_level; 2334 surf_tmpl.u.tex.first_layer = dst_layer; 2335 surf_tmpl.u.tex.last_layer = dst_layer; 2336 2337 dstsurf = pipe->create_surface(pipe, dst, &surf_tmpl); 2338 2339 surf_tmpl.u.tex.level = 0; 2340 surf_tmpl.u.tex.first_layer = src_layer; 2341 surf_tmpl.u.tex.last_layer = src_layer; 2342 2343 srcsurf = pipe->create_surface(pipe, src, &surf_tmpl); 2344 2345 /* set a framebuffer state */ 2346 fb_state.width = src->width0; 2347 fb_state.height = src->height0; 2348 fb_state.nr_cbufs = 2; 2349 fb_state.cbufs[0] = srcsurf; 2350 fb_state.cbufs[1] = dstsurf; 2351 fb_state.zsbuf = NULL; 2352 pipe->set_framebuffer_state(pipe, &fb_state); 2353 2354 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 2355 blitter_set_dst_dimensions(ctx, src->width0, src->height0); 2356 blitter->draw_rectangle(blitter, 0, 0, src->width0, src->height0, 2357 0, 0, NULL); 2358 util_blitter_restore_fb_state(blitter); 2359 util_blitter_restore_vertex_states(blitter); 2360 util_blitter_restore_fragment_states(blitter); 2361 util_blitter_restore_render_cond(blitter); 2362 util_blitter_unset_running_flag(blitter); 2363 2364 pipe_surface_reference(&srcsurf, NULL); 2365 pipe_surface_reference(&dstsurf, NULL); 2366 } 2367 2368 void util_blitter_custom_color(struct blitter_context *blitter, 2369 struct pipe_surface *dstsurf, 2370 void *custom_blend) 2371 { 2372 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2373 struct pipe_context *pipe = ctx->base.pipe; 2374 struct pipe_framebuffer_state fb_state; 2375 2376 assert(dstsurf->texture); 2377 if (!dstsurf->texture) 2378 return; 2379 2380 /* check the saved state */ 2381 util_blitter_set_running_flag(blitter); 2382 blitter_check_saved_vertex_states(ctx); 2383 blitter_check_saved_fragment_states(ctx); 2384 blitter_check_saved_fb_state(ctx); 2385 blitter_disable_render_cond(ctx); 2386 2387 /* bind states */ 2388 pipe->bind_blend_state(pipe, custom_blend ? custom_blend 2389 : ctx->blend[PIPE_MASK_RGBA][0]); 2390 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 2391 bind_fs_write_one_cbuf(ctx); 2392 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 2393 pipe->set_sample_mask(pipe, (1ull << MAX2(1, dstsurf->texture->nr_samples)) - 1); 2394 2395 /* set a framebuffer state */ 2396 fb_state.width = dstsurf->width; 2397 fb_state.height = dstsurf->height; 2398 fb_state.nr_cbufs = 1; 2399 fb_state.cbufs[0] = dstsurf; 2400 fb_state.zsbuf = 0; 2401 pipe->set_framebuffer_state(pipe, &fb_state); 2402 pipe->set_sample_mask(pipe, ~0); 2403 2404 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 2405 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 2406 blitter->draw_rectangle(blitter, 0, 0, dstsurf->width, dstsurf->height, 2407 0, 0, NULL); 2408 2409 util_blitter_restore_vertex_states(blitter); 2410 util_blitter_restore_fragment_states(blitter); 2411 util_blitter_restore_fb_state(blitter); 2412 util_blitter_restore_render_cond(blitter); 2413 util_blitter_unset_running_flag(blitter); 2414 } 2415
