u_blitter.c revision 848b8605
1/************************************************************************** 2 * 3 * Copyright 2009 Marek Olšák <maraeo@gmail.com> 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial portions 15 * of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 20 * IN NO EVENT SHALL 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 Olšák 33 */ 34 35#include "pipe/p_context.h" 36#include "pipe/p_defines.h" 37#include "util/u_inlines.h" 38#include "pipe/p_shader_tokens.h" 39#include "pipe/p_state.h" 40 41#include "util/u_format.h" 42#include "util/u_memory.h" 43#include "util/u_math.h" 44#include "util/u_blitter.h" 45#include "util/u_draw_quad.h" 46#include "util/u_sampler.h" 47#include "util/u_simple_shaders.h" 48#include "util/u_surface.h" 49#include "util/u_texture.h" 50#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 60struct 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; /**< 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 where the index is PIPE_TEXTURE_* to be sampled. */ 83 void *fs_texfetch_col[PIPE_MAX_TEXTURE_TYPES]; 84 85 /* FS which outputs a depth from a texture, 86 where the index is PIPE_TEXTURE_* to be sampled. */ 87 void *fs_texfetch_depth[PIPE_MAX_TEXTURE_TYPES]; 88 void *fs_texfetch_depthstencil[PIPE_MAX_TEXTURE_TYPES]; 89 void *fs_texfetch_stencil[PIPE_MAX_TEXTURE_TYPES]; 90 91 /* FS which outputs one sample from a multisample texture. */ 92 void *fs_texfetch_col_msaa[PIPE_MAX_TEXTURE_TYPES]; 93 void *fs_texfetch_depth_msaa[PIPE_MAX_TEXTURE_TYPES]; 94 void *fs_texfetch_depthstencil_msaa[PIPE_MAX_TEXTURE_TYPES]; 95 void *fs_texfetch_stencil_msaa[PIPE_MAX_TEXTURE_TYPES]; 96 97 /* FS which outputs an average of all samples. */ 98 void *fs_resolve[PIPE_MAX_TEXTURE_TYPES][NUM_RESOLVE_FRAG_SHADERS][2]; 99 void *fs_resolve_sint[PIPE_MAX_TEXTURE_TYPES][NUM_RESOLVE_FRAG_SHADERS][2]; 100 void *fs_resolve_uint[PIPE_MAX_TEXTURE_TYPES][NUM_RESOLVE_FRAG_SHADERS][2]; 101 102 /* Blend state. */ 103 void *blend[PIPE_MASK_RGBA+1]; /**< blend state with writemask */ 104 void *blend_clear[GET_CLEAR_BLEND_STATE_IDX(PIPE_CLEAR_COLOR)+1]; 105 106 /* Depth stencil alpha state. */ 107 void *dsa_write_depth_stencil; 108 void *dsa_write_depth_keep_stencil; 109 void *dsa_keep_depth_stencil; 110 void *dsa_keep_depth_write_stencil; 111 112 /* Vertex elements states. */ 113 void *velem_state; 114 void *velem_state_readbuf[4]; /**< X, XY, XYZ, XYZW */ 115 116 /* Sampler state. */ 117 void *sampler_state; 118 void *sampler_state_linear; 119 void *sampler_state_rect; 120 void *sampler_state_rect_linear; 121 122 /* Rasterizer state. */ 123 void *rs_state, *rs_state_scissor, *rs_discard_state; 124 125 /* Viewport state. */ 126 struct pipe_viewport_state viewport; 127 128 /* Destination surface dimensions. */ 129 unsigned dst_width; 130 unsigned dst_height; 131 132 boolean has_geometry_shader; 133 boolean has_stream_out; 134 boolean has_stencil_export; 135 boolean has_texture_multisample; 136 137 /* The Draw module overrides these functions. 138 * Always create the blitter before Draw. */ 139 void (*bind_fs_state)(struct pipe_context *, void *); 140 void (*delete_fs_state)(struct pipe_context *, void *); 141}; 142 143static struct pipe_surface * 144util_blitter_get_next_surface_layer(struct pipe_context *pipe, 145 struct pipe_surface *surf); 146 147struct blitter_context *util_blitter_create(struct pipe_context *pipe) 148{ 149 struct blitter_context_priv *ctx; 150 struct pipe_blend_state blend; 151 struct pipe_depth_stencil_alpha_state dsa; 152 struct pipe_rasterizer_state rs_state; 153 struct pipe_sampler_state sampler_state; 154 struct pipe_vertex_element velem[2]; 155 unsigned i; 156 157 ctx = CALLOC_STRUCT(blitter_context_priv); 158 if (!ctx) 159 return NULL; 160 161 ctx->base.pipe = pipe; 162 ctx->base.draw_rectangle = util_blitter_draw_rectangle; 163 ctx->base.get_next_surface_layer = util_blitter_get_next_surface_layer; 164 165 ctx->bind_fs_state = pipe->bind_fs_state; 166 ctx->delete_fs_state = pipe->delete_fs_state; 167 168 /* init state objects for them to be considered invalid */ 169 ctx->base.saved_blend_state = INVALID_PTR; 170 ctx->base.saved_dsa_state = INVALID_PTR; 171 ctx->base.saved_rs_state = INVALID_PTR; 172 ctx->base.saved_fs = INVALID_PTR; 173 ctx->base.saved_vs = INVALID_PTR; 174 ctx->base.saved_gs = INVALID_PTR; 175 ctx->base.saved_velem_state = INVALID_PTR; 176 ctx->base.saved_fb_state.nr_cbufs = ~0; 177 ctx->base.saved_num_sampler_views = ~0; 178 ctx->base.saved_num_sampler_states = ~0; 179 ctx->base.saved_num_so_targets = ~0; 180 181 ctx->has_geometry_shader = 182 pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY, 183 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0; 184 ctx->has_stream_out = 185 pipe->screen->get_param(pipe->screen, 186 PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0; 187 188 ctx->has_stencil_export = 189 pipe->screen->get_param(pipe->screen, 190 PIPE_CAP_SHADER_STENCIL_EXPORT); 191 192 ctx->has_texture_multisample = 193 pipe->screen->get_param(pipe->screen, PIPE_CAP_TEXTURE_MULTISAMPLE); 194 195 /* blend state objects */ 196 memset(&blend, 0, sizeof(blend)); 197 198 for (i = 0; i <= PIPE_MASK_RGBA; i++) { 199 blend.rt[0].colormask = i; 200 ctx->blend[i] = pipe->create_blend_state(pipe, &blend); 201 } 202 203 /* depth stencil alpha state objects */ 204 memset(&dsa, 0, sizeof(dsa)); 205 ctx->dsa_keep_depth_stencil = 206 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 207 208 dsa.depth.enabled = 1; 209 dsa.depth.writemask = 1; 210 dsa.depth.func = PIPE_FUNC_ALWAYS; 211 ctx->dsa_write_depth_keep_stencil = 212 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 213 214 dsa.stencil[0].enabled = 1; 215 dsa.stencil[0].func = PIPE_FUNC_ALWAYS; 216 dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; 217 dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; 218 dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; 219 dsa.stencil[0].valuemask = 0xff; 220 dsa.stencil[0].writemask = 0xff; 221 ctx->dsa_write_depth_stencil = 222 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 223 224 dsa.depth.enabled = 0; 225 dsa.depth.writemask = 0; 226 ctx->dsa_keep_depth_write_stencil = 227 pipe->create_depth_stencil_alpha_state(pipe, &dsa); 228 229 /* sampler state */ 230 memset(&sampler_state, 0, sizeof(sampler_state)); 231 sampler_state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 232 sampler_state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 233 sampler_state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 234 sampler_state.normalized_coords = 1; 235 ctx->sampler_state = pipe->create_sampler_state(pipe, &sampler_state); 236 sampler_state.normalized_coords = 0; 237 ctx->sampler_state_rect = pipe->create_sampler_state(pipe, &sampler_state); 238 239 sampler_state.min_img_filter = PIPE_TEX_FILTER_LINEAR; 240 sampler_state.mag_img_filter = PIPE_TEX_FILTER_LINEAR; 241 sampler_state.normalized_coords = 1; 242 ctx->sampler_state_linear = pipe->create_sampler_state(pipe, &sampler_state); 243 sampler_state.normalized_coords = 0; 244 ctx->sampler_state_rect_linear = pipe->create_sampler_state(pipe, &sampler_state); 245 246 /* rasterizer state */ 247 memset(&rs_state, 0, sizeof(rs_state)); 248 rs_state.cull_face = PIPE_FACE_NONE; 249 rs_state.half_pixel_center = 1; 250 rs_state.bottom_edge_rule = 1; 251 rs_state.flatshade = 1; 252 rs_state.depth_clip = 1; 253 ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); 254 255 rs_state.scissor = 1; 256 ctx->rs_state_scissor = pipe->create_rasterizer_state(pipe, &rs_state); 257 258 if (ctx->has_stream_out) { 259 rs_state.scissor = 0; 260 rs_state.rasterizer_discard = 1; 261 ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state); 262 } 263 264 ctx->base.vb_slot = 0; /* 0 for now */ 265 266 /* vertex elements states */ 267 memset(&velem[0], 0, sizeof(velem[0]) * 2); 268 for (i = 0; i < 2; i++) { 269 velem[i].src_offset = i * 4 * sizeof(float); 270 velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 271 velem[i].vertex_buffer_index = ctx->base.vb_slot; 272 } 273 ctx->velem_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); 274 275 if (ctx->has_stream_out) { 276 static enum pipe_format formats[4] = { 277 PIPE_FORMAT_R32_UINT, 278 PIPE_FORMAT_R32G32_UINT, 279 PIPE_FORMAT_R32G32B32_UINT, 280 PIPE_FORMAT_R32G32B32A32_UINT 281 }; 282 283 for (i = 0; i < 4; i++) { 284 velem[0].src_format = formats[i]; 285 velem[0].vertex_buffer_index = ctx->base.vb_slot; 286 ctx->velem_state_readbuf[i] = 287 pipe->create_vertex_elements_state(pipe, 1, &velem[0]); 288 } 289 } 290 291 /* Fragment shaders are created on-demand, except these. 292 * The interpolation must be constant for integer texture clearing to work. 293 */ 294 ctx->fs_empty = util_make_empty_fragment_shader(pipe); 295 ctx->fs_write_one_cbuf = 296 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, 297 TGSI_INTERPOLATE_CONSTANT, FALSE); 298 ctx->fs_write_all_cbufs = 299 util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, 300 TGSI_INTERPOLATE_CONSTANT, TRUE); 301 302 /* vertex shaders */ 303 { 304 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, 305 TGSI_SEMANTIC_GENERIC }; 306 const uint semantic_indices[] = { 0, 0 }; 307 ctx->vs = 308 util_make_vertex_passthrough_shader(pipe, 2, semantic_names, 309 semantic_indices); 310 } 311 312 if (ctx->has_stream_out) { 313 struct pipe_stream_output_info so; 314 const uint semantic_names[] = { TGSI_SEMANTIC_POSITION }; 315 const uint semantic_indices[] = { 0 }; 316 317 memset(&so, 0, sizeof(so)); 318 so.num_outputs = 1; 319 so.output[0].num_components = 1; 320 so.stride[0] = 1; 321 322 ctx->vs_pos_only = 323 util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names, 324 semantic_indices, &so); 325 } 326 327 if (pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_INSTANCEID) && 328 pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT)) { 329 ctx->vs_layered = util_make_layered_clear_vertex_shader(pipe); 330 } 331 332 /* set invariant vertex coordinates */ 333 for (i = 0; i < 4; i++) 334 ctx->vertices[i][0][3] = 1; /*v.w*/ 335 336 ctx->upload = u_upload_create(pipe, 65536, 4, PIPE_BIND_VERTEX_BUFFER); 337 338 return &ctx->base; 339} 340 341void util_blitter_destroy(struct blitter_context *blitter) 342{ 343 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 344 struct pipe_context *pipe = blitter->pipe; 345 int i, j, f; 346 347 for (i = 0; i <= PIPE_MASK_RGBA; i++) { 348 pipe->delete_blend_state(pipe, ctx->blend[i]); 349 } 350 for (i = 0; i < Elements(ctx->blend_clear); i++) { 351 if (ctx->blend_clear[i]) 352 pipe->delete_blend_state(pipe, ctx->blend_clear[i]); 353 } 354 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 355 pipe->delete_depth_stencil_alpha_state(pipe, 356 ctx->dsa_write_depth_keep_stencil); 357 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 358 pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 359 360 pipe->delete_rasterizer_state(pipe, ctx->rs_state); 361 pipe->delete_rasterizer_state(pipe, ctx->rs_state_scissor); 362 if (ctx->rs_discard_state) 363 pipe->delete_rasterizer_state(pipe, ctx->rs_discard_state); 364 pipe->delete_vs_state(pipe, ctx->vs); 365 if (ctx->vs_pos_only) 366 pipe->delete_vs_state(pipe, ctx->vs_pos_only); 367 if (ctx->vs_layered) 368 pipe->delete_vs_state(pipe, ctx->vs_layered); 369 pipe->delete_vertex_elements_state(pipe, ctx->velem_state); 370 for (i = 0; i < 4; i++) { 371 if (ctx->velem_state_readbuf[i]) { 372 pipe->delete_vertex_elements_state(pipe, ctx->velem_state_readbuf[i]); 373 } 374 } 375 376 for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) { 377 if (ctx->fs_texfetch_col[i]) 378 ctx->delete_fs_state(pipe, ctx->fs_texfetch_col[i]); 379 if (ctx->fs_texfetch_depth[i]) 380 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]); 381 if (ctx->fs_texfetch_depthstencil[i]) 382 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i]); 383 if (ctx->fs_texfetch_stencil[i]) 384 ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i]); 385 386 if (ctx->fs_texfetch_col_msaa[i]) 387 ctx->delete_fs_state(pipe, ctx->fs_texfetch_col_msaa[i]); 388 if (ctx->fs_texfetch_depth_msaa[i]) 389 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth_msaa[i]); 390 if (ctx->fs_texfetch_depthstencil_msaa[i]) 391 ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil_msaa[i]); 392 if (ctx->fs_texfetch_stencil_msaa[i]) 393 ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil_msaa[i]); 394 395 for (j = 0; j< Elements(ctx->fs_resolve[i]); j++) 396 for (f = 0; f < 2; f++) 397 if (ctx->fs_resolve[i][j][f]) 398 ctx->delete_fs_state(pipe, ctx->fs_resolve[i][j][f]); 399 400 for (j = 0; j< Elements(ctx->fs_resolve_sint[i]); j++) 401 for (f = 0; f < 2; f++) 402 if (ctx->fs_resolve_sint[i][j][f]) 403 ctx->delete_fs_state(pipe, ctx->fs_resolve_sint[i][j][f]); 404 405 for (j = 0; j< Elements(ctx->fs_resolve_uint[i]); j++) 406 for (f = 0; f < 2; f++) 407 if (ctx->fs_resolve_uint[i][j][f]) 408 ctx->delete_fs_state(pipe, ctx->fs_resolve_uint[i][j][f]); 409 } 410 411 ctx->delete_fs_state(pipe, ctx->fs_empty); 412 ctx->delete_fs_state(pipe, ctx->fs_write_one_cbuf); 413 ctx->delete_fs_state(pipe, ctx->fs_write_all_cbufs); 414 415 pipe->delete_sampler_state(pipe, ctx->sampler_state_rect_linear); 416 pipe->delete_sampler_state(pipe, ctx->sampler_state_rect); 417 pipe->delete_sampler_state(pipe, ctx->sampler_state_linear); 418 pipe->delete_sampler_state(pipe, ctx->sampler_state); 419 u_upload_destroy(ctx->upload); 420 FREE(ctx); 421} 422 423void util_blitter_set_texture_multisample(struct blitter_context *blitter, 424 boolean supported) 425{ 426 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 427 428 ctx->has_texture_multisample = supported; 429} 430 431static void blitter_set_running_flag(struct blitter_context_priv *ctx) 432{ 433 if (ctx->base.running) { 434 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", 435 __LINE__); 436 } 437 ctx->base.running = TRUE; 438} 439 440static void blitter_unset_running_flag(struct blitter_context_priv *ctx) 441{ 442 if (!ctx->base.running) { 443 _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", 444 __LINE__); 445 } 446 ctx->base.running = FALSE; 447} 448 449static void blitter_check_saved_vertex_states(struct blitter_context_priv *ctx) 450{ 451 assert(ctx->base.saved_velem_state != INVALID_PTR); 452 assert(ctx->base.saved_vs != INVALID_PTR); 453 assert(!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR); 454 assert(!ctx->has_stream_out || ctx->base.saved_num_so_targets != ~0); 455 assert(ctx->base.saved_rs_state != INVALID_PTR); 456} 457 458static void blitter_restore_vertex_states(struct blitter_context_priv *ctx) 459{ 460 struct pipe_context *pipe = ctx->base.pipe; 461 unsigned i; 462 463 /* Vertex buffer. */ 464 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, 465 &ctx->base.saved_vertex_buffer); 466 pipe_resource_reference(&ctx->base.saved_vertex_buffer.buffer, NULL); 467 468 /* Vertex elements. */ 469 pipe->bind_vertex_elements_state(pipe, ctx->base.saved_velem_state); 470 ctx->base.saved_velem_state = INVALID_PTR; 471 472 /* Vertex shader. */ 473 pipe->bind_vs_state(pipe, ctx->base.saved_vs); 474 ctx->base.saved_vs = INVALID_PTR; 475 476 /* Geometry shader. */ 477 if (ctx->has_geometry_shader) { 478 pipe->bind_gs_state(pipe, ctx->base.saved_gs); 479 ctx->base.saved_gs = INVALID_PTR; 480 } 481 482 /* Stream outputs. */ 483 if (ctx->has_stream_out) { 484 unsigned offsets[PIPE_MAX_SO_BUFFERS]; 485 for (i = 0; i < ctx->base.saved_num_so_targets; i++) 486 offsets[i] = (unsigned)-1; 487 pipe->set_stream_output_targets(pipe, 488 ctx->base.saved_num_so_targets, 489 ctx->base.saved_so_targets, offsets); 490 491 for (i = 0; i < ctx->base.saved_num_so_targets; i++) 492 pipe_so_target_reference(&ctx->base.saved_so_targets[i], NULL); 493 494 ctx->base.saved_num_so_targets = ~0; 495 } 496 497 /* Rasterizer. */ 498 pipe->bind_rasterizer_state(pipe, ctx->base.saved_rs_state); 499 ctx->base.saved_rs_state = INVALID_PTR; 500} 501 502static void blitter_check_saved_fragment_states(struct blitter_context_priv *ctx) 503{ 504 assert(ctx->base.saved_fs != INVALID_PTR); 505 assert(ctx->base.saved_dsa_state != INVALID_PTR); 506 assert(ctx->base.saved_blend_state != INVALID_PTR); 507} 508 509static void blitter_restore_fragment_states(struct blitter_context_priv *ctx) 510{ 511 struct pipe_context *pipe = ctx->base.pipe; 512 513 /* Fragment shader. */ 514 ctx->bind_fs_state(pipe, ctx->base.saved_fs); 515 ctx->base.saved_fs = INVALID_PTR; 516 517 /* Depth, stencil, alpha. */ 518 pipe->bind_depth_stencil_alpha_state(pipe, ctx->base.saved_dsa_state); 519 ctx->base.saved_dsa_state = INVALID_PTR; 520 521 /* Blend state. */ 522 pipe->bind_blend_state(pipe, ctx->base.saved_blend_state); 523 ctx->base.saved_blend_state = INVALID_PTR; 524 525 /* Sample mask. */ 526 if (ctx->base.is_sample_mask_saved) { 527 pipe->set_sample_mask(pipe, ctx->base.saved_sample_mask); 528 ctx->base.is_sample_mask_saved = FALSE; 529 } 530 531 /* Miscellaneous states. */ 532 /* XXX check whether these are saved and whether they need to be restored 533 * (depending on the operation) */ 534 pipe->set_stencil_ref(pipe, &ctx->base.saved_stencil_ref); 535 pipe->set_viewport_states(pipe, 0, 1, &ctx->base.saved_viewport); 536} 537 538static void blitter_check_saved_fb_state(struct blitter_context_priv *ctx) 539{ 540 assert(ctx->base.saved_fb_state.nr_cbufs != ~0); 541} 542 543static void blitter_disable_render_cond(struct blitter_context_priv *ctx) 544{ 545 struct pipe_context *pipe = ctx->base.pipe; 546 547 if (ctx->base.saved_render_cond_query) { 548 pipe->render_condition(pipe, NULL, FALSE, 0); 549 } 550} 551 552static void blitter_restore_render_cond(struct blitter_context_priv *ctx) 553{ 554 struct pipe_context *pipe = ctx->base.pipe; 555 556 if (ctx->base.saved_render_cond_query) { 557 pipe->render_condition(pipe, ctx->base.saved_render_cond_query, 558 ctx->base.saved_render_cond_cond, 559 ctx->base.saved_render_cond_mode); 560 ctx->base.saved_render_cond_query = NULL; 561 } 562} 563 564static void blitter_restore_fb_state(struct blitter_context_priv *ctx) 565{ 566 struct pipe_context *pipe = ctx->base.pipe; 567 568 pipe->set_framebuffer_state(pipe, &ctx->base.saved_fb_state); 569 util_unreference_framebuffer_state(&ctx->base.saved_fb_state); 570} 571 572static void blitter_check_saved_textures(struct blitter_context_priv *ctx) 573{ 574 assert(ctx->base.saved_num_sampler_states != ~0); 575 assert(ctx->base.saved_num_sampler_views != ~0); 576} 577 578static void blitter_restore_textures(struct blitter_context_priv *ctx) 579{ 580 struct pipe_context *pipe = ctx->base.pipe; 581 unsigned i; 582 583 /* Fragment sampler states. */ 584 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 585 ctx->base.saved_num_sampler_states, 586 ctx->base.saved_sampler_states); 587 588 ctx->base.saved_num_sampler_states = ~0; 589 590 /* Fragment sampler views. */ 591 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 592 ctx->base.saved_num_sampler_views, 593 ctx->base.saved_sampler_views); 594 595 for (i = 0; i < ctx->base.saved_num_sampler_views; i++) 596 pipe_sampler_view_reference(&ctx->base.saved_sampler_views[i], NULL); 597 598 ctx->base.saved_num_sampler_views = ~0; 599} 600 601static void blitter_set_rectangle(struct blitter_context_priv *ctx, 602 int x1, int y1, int x2, int y2, 603 float depth) 604{ 605 int i; 606 607 /* set vertex positions */ 608 ctx->vertices[0][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v0.x*/ 609 ctx->vertices[0][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v0.y*/ 610 611 ctx->vertices[1][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v1.x*/ 612 ctx->vertices[1][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v1.y*/ 613 614 ctx->vertices[2][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v2.x*/ 615 ctx->vertices[2][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v2.y*/ 616 617 ctx->vertices[3][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v3.x*/ 618 ctx->vertices[3][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v3.y*/ 619 620 for (i = 0; i < 4; i++) 621 ctx->vertices[i][0][2] = depth; /*z*/ 622 623 /* viewport */ 624 ctx->viewport.scale[0] = 0.5f * ctx->dst_width; 625 ctx->viewport.scale[1] = 0.5f * ctx->dst_height; 626 ctx->viewport.scale[2] = 1.0f; 627 ctx->viewport.scale[3] = 1.0f; 628 ctx->viewport.translate[0] = 0.5f * ctx->dst_width; 629 ctx->viewport.translate[1] = 0.5f * ctx->dst_height; 630 ctx->viewport.translate[2] = 0.0f; 631 ctx->viewport.translate[3] = 0.0f; 632 ctx->base.pipe->set_viewport_states(ctx->base.pipe, 0, 1, &ctx->viewport); 633} 634 635static void blitter_set_clear_color(struct blitter_context_priv *ctx, 636 const union pipe_color_union *color) 637{ 638 int i; 639 640 if (color) { 641 for (i = 0; i < 4; i++) { 642 uint32_t *uiverts = (uint32_t *)ctx->vertices[i][1]; 643 uiverts[0] = color->ui[0]; 644 uiverts[1] = color->ui[1]; 645 uiverts[2] = color->ui[2]; 646 uiverts[3] = color->ui[3]; 647 } 648 } else { 649 for (i = 0; i < 4; i++) { 650 ctx->vertices[i][1][0] = 0; 651 ctx->vertices[i][1][1] = 0; 652 ctx->vertices[i][1][2] = 0; 653 ctx->vertices[i][1][3] = 0; 654 } 655 } 656} 657 658static void get_texcoords(struct pipe_sampler_view *src, 659 unsigned src_width0, unsigned src_height0, 660 int x1, int y1, int x2, int y2, 661 float out[4]) 662{ 663 struct pipe_resource *tex = src->texture; 664 unsigned level = src->u.tex.first_level; 665 boolean normalized = tex->target != PIPE_TEXTURE_RECT && 666 tex->nr_samples <= 1; 667 668 if (normalized) { 669 out[0] = x1 / (float)u_minify(src_width0, level); 670 out[1] = y1 / (float)u_minify(src_height0, level); 671 out[2] = x2 / (float)u_minify(src_width0, level); 672 out[3] = y2 / (float)u_minify(src_height0, level); 673 } else { 674 out[0] = (float) x1; 675 out[1] = (float) y1; 676 out[2] = (float) x2; 677 out[3] = (float) y2; 678 } 679} 680 681static void set_texcoords_in_vertices(const float coord[4], 682 float *out, unsigned stride) 683{ 684 out[0] = coord[0]; /*t0.s*/ 685 out[1] = coord[1]; /*t0.t*/ 686 out += stride; 687 out[0] = coord[2]; /*t1.s*/ 688 out[1] = coord[1]; /*t1.t*/ 689 out += stride; 690 out[0] = coord[2]; /*t2.s*/ 691 out[1] = coord[3]; /*t2.t*/ 692 out += stride; 693 out[0] = coord[0]; /*t3.s*/ 694 out[1] = coord[3]; /*t3.t*/ 695} 696 697static void blitter_set_texcoords(struct blitter_context_priv *ctx, 698 struct pipe_sampler_view *src, 699 unsigned src_width0, unsigned src_height0, 700 float layer, unsigned sample, 701 int x1, int y1, int x2, int y2) 702{ 703 unsigned i; 704 float coord[4]; 705 float face_coord[4][2]; 706 707 get_texcoords(src, src_width0, src_height0, x1, y1, x2, y2, coord); 708 709 if (src->texture->target == PIPE_TEXTURE_CUBE || 710 src->texture->target == PIPE_TEXTURE_CUBE_ARRAY) { 711 set_texcoords_in_vertices(coord, &face_coord[0][0], 2); 712 util_map_texcoords2d_onto_cubemap((unsigned)layer % 6, 713 /* pointer, stride in floats */ 714 &face_coord[0][0], 2, 715 &ctx->vertices[0][1][0], 8, 716 FALSE); 717 } else { 718 set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8); 719 } 720 721 /* Set the layer. */ 722 switch (src->texture->target) { 723 case PIPE_TEXTURE_3D: 724 { 725 float r = layer / (float)u_minify(src->texture->depth0, 726 src->u.tex.first_level); 727 for (i = 0; i < 4; i++) 728 ctx->vertices[i][1][2] = r; /*r*/ 729 } 730 break; 731 732 case PIPE_TEXTURE_1D_ARRAY: 733 for (i = 0; i < 4; i++) 734 ctx->vertices[i][1][1] = (float) layer; /*t*/ 735 break; 736 737 case PIPE_TEXTURE_2D_ARRAY: 738 for (i = 0; i < 4; i++) { 739 ctx->vertices[i][1][2] = (float) layer; /*r*/ 740 ctx->vertices[i][1][3] = (float) sample; /*q*/ 741 } 742 break; 743 744 case PIPE_TEXTURE_CUBE_ARRAY: 745 for (i = 0; i < 4; i++) 746 ctx->vertices[i][1][3] = (float) ((unsigned)layer / 6); /*w*/ 747 break; 748 749 case PIPE_TEXTURE_2D: 750 for (i = 0; i < 4; i++) { 751 ctx->vertices[i][1][3] = (float) sample; /*r*/ 752 } 753 break; 754 755 default:; 756 } 757} 758 759static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx, 760 unsigned width, unsigned height) 761{ 762 ctx->dst_width = width; 763 ctx->dst_height = height; 764} 765 766static void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx, 767 enum pipe_format format, 768 enum pipe_texture_target target, 769 unsigned src_nr_samples, 770 unsigned dst_nr_samples, 771 unsigned filter) 772{ 773 struct pipe_context *pipe = ctx->base.pipe; 774 unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, src_nr_samples); 775 776 assert(target < PIPE_MAX_TEXTURE_TYPES); 777 778 if (src_nr_samples > 1) { 779 void **shader; 780 781 if (dst_nr_samples <= 1) { 782 /* The destination has one sample, so we'll do color resolve. */ 783 boolean is_uint, is_sint; 784 unsigned index = GET_MSAA_RESOLVE_FS_IDX(src_nr_samples); 785 786 is_uint = util_format_is_pure_uint(format); 787 is_sint = util_format_is_pure_sint(format); 788 789 assert(filter < 2); 790 791 if (is_uint) 792 shader = &ctx->fs_resolve_uint[target][index][filter]; 793 else if (is_sint) 794 shader = &ctx->fs_resolve_sint[target][index][filter]; 795 else 796 shader = &ctx->fs_resolve[target][index][filter]; 797 798 if (!*shader) { 799 if (filter == PIPE_TEX_FILTER_LINEAR) { 800 *shader = util_make_fs_msaa_resolve_bilinear(pipe, tgsi_tex, 801 src_nr_samples, 802 is_uint, is_sint); 803 } 804 else { 805 *shader = util_make_fs_msaa_resolve(pipe, tgsi_tex, 806 src_nr_samples, 807 is_uint, is_sint); 808 } 809 } 810 } 811 else { 812 /* The destination has multiple samples, we'll do 813 * an MSAA->MSAA copy. 814 */ 815 shader = &ctx->fs_texfetch_col_msaa[target]; 816 817 /* Create the fragment shader on-demand. */ 818 if (!*shader) { 819 *shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex); 820 } 821 } 822 823 return *shader; 824 } else { 825 void **shader = &ctx->fs_texfetch_col[target]; 826 827 /* Create the fragment shader on-demand. */ 828 if (!*shader) { 829 *shader = util_make_fragment_tex_shader(pipe, tgsi_tex, 830 TGSI_INTERPOLATE_LINEAR); 831 } 832 833 return *shader; 834 } 835} 836 837static INLINE 838void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx, 839 enum pipe_texture_target target, 840 unsigned nr_samples) 841{ 842 struct pipe_context *pipe = ctx->base.pipe; 843 844 assert(target < PIPE_MAX_TEXTURE_TYPES); 845 846 if (nr_samples > 1) { 847 void **shader = &ctx->fs_texfetch_depth_msaa[target]; 848 849 /* Create the fragment shader on-demand. */ 850 if (!*shader) { 851 unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 852 nr_samples); 853 854 *shader = 855 util_make_fs_blit_msaa_depth(pipe, tgsi_tex); 856 } 857 858 return *shader; 859 } else { 860 void **shader = &ctx->fs_texfetch_depth[target]; 861 862 /* Create the fragment shader on-demand. */ 863 if (!*shader) { 864 unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); 865 866 *shader = 867 util_make_fragment_tex_shader_writedepth(pipe, tgsi_tex, 868 TGSI_INTERPOLATE_LINEAR); 869 } 870 871 return *shader; 872 } 873} 874 875static INLINE 876void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx, 877 enum pipe_texture_target target, 878 unsigned nr_samples) 879{ 880 struct pipe_context *pipe = ctx->base.pipe; 881 882 assert(target < PIPE_MAX_TEXTURE_TYPES); 883 884 if (nr_samples > 1) { 885 void **shader = &ctx->fs_texfetch_depthstencil_msaa[target]; 886 887 /* Create the fragment shader on-demand. */ 888 if (!*shader) { 889 unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 890 nr_samples); 891 892 *shader = 893 util_make_fs_blit_msaa_depthstencil(pipe, tgsi_tex); 894 } 895 896 return *shader; 897 } else { 898 void **shader = &ctx->fs_texfetch_depthstencil[target]; 899 900 /* Create the fragment shader on-demand. */ 901 if (!*shader) { 902 unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); 903 904 *shader = 905 util_make_fragment_tex_shader_writedepthstencil(pipe, tgsi_tex, 906 TGSI_INTERPOLATE_LINEAR); 907 } 908 909 return *shader; 910 } 911} 912 913static INLINE 914void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx, 915 enum pipe_texture_target target, 916 unsigned nr_samples) 917{ 918 struct pipe_context *pipe = ctx->base.pipe; 919 920 assert(target < PIPE_MAX_TEXTURE_TYPES); 921 922 if (nr_samples > 1) { 923 void **shader = &ctx->fs_texfetch_stencil_msaa[target]; 924 925 /* Create the fragment shader on-demand. */ 926 if (!*shader) { 927 unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 928 nr_samples); 929 930 *shader = 931 util_make_fs_blit_msaa_stencil(pipe, tgsi_tex); 932 } 933 934 return *shader; 935 } else { 936 void **shader = &ctx->fs_texfetch_stencil[target]; 937 938 /* Create the fragment shader on-demand. */ 939 if (!*shader) { 940 unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); 941 942 *shader = 943 util_make_fragment_tex_shader_writestencil(pipe, tgsi_tex, 944 TGSI_INTERPOLATE_LINEAR); 945 } 946 947 return *shader; 948 } 949} 950 951void util_blitter_cache_all_shaders(struct blitter_context *blitter) 952{ 953 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 954 struct pipe_screen *screen = blitter->pipe->screen; 955 unsigned samples, j, f, target, max_samples; 956 boolean has_arraytex, has_cubearraytex; 957 958 max_samples = ctx->has_texture_multisample ? 2 : 1; 959 has_arraytex = screen->get_param(screen, 960 PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS) != 0; 961 has_cubearraytex = screen->get_param(screen, 962 PIPE_CAP_CUBE_MAP_ARRAY) != 0; 963 964 /* It only matters if i <= 1 or > 1. */ 965 for (samples = 1; samples <= max_samples; samples++) { 966 for (target = PIPE_TEXTURE_1D; target < PIPE_MAX_TEXTURE_TYPES; target++) { 967 if (!has_arraytex && 968 (target == PIPE_TEXTURE_1D_ARRAY || 969 target == PIPE_TEXTURE_2D_ARRAY)) { 970 continue; 971 } 972 if (!has_cubearraytex && 973 (target == PIPE_TEXTURE_CUBE_ARRAY)) 974 continue; 975 976 if (samples > 1 && 977 (target != PIPE_TEXTURE_2D && 978 target != PIPE_TEXTURE_2D_ARRAY)) 979 continue; 980 981 /* If samples == 1, the shaders read one texel. If samples >= 1, 982 * they read one sample. 983 */ 984 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT, target, 985 samples, samples, 0); 986 blitter_get_fs_texfetch_depth(ctx, target, samples); 987 if (ctx->has_stencil_export) { 988 blitter_get_fs_texfetch_depthstencil(ctx, target, samples); 989 blitter_get_fs_texfetch_stencil(ctx, target, samples); 990 } 991 992 if (samples == 1) 993 continue; 994 995 /* MSAA resolve shaders. */ 996 for (j = 2; j < 32; j++) { 997 if (!screen->is_format_supported(screen, PIPE_FORMAT_R32_FLOAT, 998 target, j, 999 PIPE_BIND_SAMPLER_VIEW)) { 1000 continue; 1001 } 1002 1003 for (f = 0; f < 2; f++) { 1004 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT, target, 1005 j, 1, f); 1006 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT, target, 1007 j, 1, f); 1008 blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT, target, 1009 j, 1, f); 1010 } 1011 } 1012 } 1013 } 1014} 1015 1016static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx, 1017 boolean scissor, 1018 boolean vs_layered) 1019{ 1020 struct pipe_context *pipe = ctx->base.pipe; 1021 1022 pipe->bind_rasterizer_state(pipe, scissor ? ctx->rs_state_scissor 1023 : ctx->rs_state); 1024 pipe->bind_vs_state(pipe, vs_layered ? ctx->vs_layered : ctx->vs); 1025 if (ctx->has_geometry_shader) 1026 pipe->bind_gs_state(pipe, NULL); 1027 if (ctx->has_stream_out) 1028 pipe->set_stream_output_targets(pipe, 0, NULL, NULL); 1029} 1030 1031static void blitter_draw(struct blitter_context_priv *ctx, 1032 int x1, int y1, int x2, int y2, float depth, 1033 unsigned num_instances) 1034{ 1035 struct pipe_context *pipe = ctx->base.pipe; 1036 struct pipe_vertex_buffer vb = {0}; 1037 1038 blitter_set_rectangle(ctx, x1, y1, x2, y2, depth); 1039 1040 vb.stride = 8 * sizeof(float); 1041 1042 u_upload_data(ctx->upload, 0, sizeof(ctx->vertices), ctx->vertices, 1043 &vb.buffer_offset, &vb.buffer); 1044 u_upload_unmap(ctx->upload); 1045 1046 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); 1047 util_draw_arrays_instanced(pipe, PIPE_PRIM_TRIANGLE_FAN, 0, 4, 1048 0, num_instances); 1049 pipe_resource_reference(&vb.buffer, NULL); 1050} 1051 1052void util_blitter_draw_rectangle(struct blitter_context *blitter, 1053 int x1, int y1, int x2, int y2, float depth, 1054 enum blitter_attrib_type type, 1055 const union pipe_color_union *attrib) 1056{ 1057 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1058 1059 switch (type) { 1060 case UTIL_BLITTER_ATTRIB_COLOR: 1061 blitter_set_clear_color(ctx, attrib); 1062 break; 1063 1064 case UTIL_BLITTER_ATTRIB_TEXCOORD: 1065 set_texcoords_in_vertices(attrib->f, &ctx->vertices[0][1][0], 8); 1066 break; 1067 1068 default:; 1069 } 1070 1071 blitter_draw(ctx, x1, y1, x2, y2, depth, 1); 1072} 1073 1074static void *get_clear_blend_state(struct blitter_context_priv *ctx, 1075 unsigned clear_buffers) 1076{ 1077 struct pipe_context *pipe = ctx->base.pipe; 1078 int index; 1079 1080 clear_buffers &= PIPE_CLEAR_COLOR; 1081 1082 /* Return an existing blend state. */ 1083 if (!clear_buffers) 1084 return ctx->blend[0]; 1085 1086 index = GET_CLEAR_BLEND_STATE_IDX(clear_buffers); 1087 1088 if (ctx->blend_clear[index]) 1089 return ctx->blend_clear[index]; 1090 1091 /* Create a new one. */ 1092 { 1093 struct pipe_blend_state blend = {0}; 1094 unsigned i; 1095 1096 blend.independent_blend_enable = 1; 1097 1098 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { 1099 if (clear_buffers & (PIPE_CLEAR_COLOR0 << i)) { 1100 blend.rt[i].colormask = PIPE_MASK_RGBA; 1101 } 1102 } 1103 1104 ctx->blend_clear[index] = pipe->create_blend_state(pipe, &blend); 1105 } 1106 return ctx->blend_clear[index]; 1107} 1108 1109static void util_blitter_clear_custom(struct blitter_context *blitter, 1110 unsigned width, unsigned height, 1111 unsigned num_layers, 1112 unsigned clear_buffers, 1113 const union pipe_color_union *color, 1114 double depth, unsigned stencil, 1115 void *custom_blend, void *custom_dsa) 1116{ 1117 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1118 struct pipe_context *pipe = ctx->base.pipe; 1119 struct pipe_stencil_ref sr = { { 0 } }; 1120 1121 assert(ctx->vs_layered || num_layers <= 1); 1122 1123 blitter_set_running_flag(ctx); 1124 blitter_check_saved_vertex_states(ctx); 1125 blitter_check_saved_fragment_states(ctx); 1126 blitter_disable_render_cond(ctx); 1127 1128 /* bind states */ 1129 if (custom_blend) { 1130 pipe->bind_blend_state(pipe, custom_blend); 1131 } else { 1132 pipe->bind_blend_state(pipe, get_clear_blend_state(ctx, clear_buffers)); 1133 } 1134 1135 if (custom_dsa) { 1136 pipe->bind_depth_stencil_alpha_state(pipe, custom_dsa); 1137 } else if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { 1138 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 1139 } else if (clear_buffers & PIPE_CLEAR_DEPTH) { 1140 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); 1141 } else if (clear_buffers & PIPE_CLEAR_STENCIL) { 1142 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 1143 } else { 1144 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1145 } 1146 1147 sr.ref_value[0] = stencil & 0xff; 1148 pipe->set_stencil_ref(pipe, &sr); 1149 1150 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1151 ctx->bind_fs_state(pipe, ctx->fs_write_all_cbufs); 1152 pipe->set_sample_mask(pipe, ~0); 1153 1154 blitter_set_dst_dimensions(ctx, width, height); 1155 1156 if (num_layers > 1 && ctx->vs_layered) { 1157 blitter_set_common_draw_rect_state(ctx, FALSE, TRUE); 1158 blitter_set_clear_color(ctx, color); 1159 blitter_draw(ctx, 0, 0, width, height, depth, num_layers); 1160 } 1161 else { 1162 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 1163 blitter->draw_rectangle(blitter, 0, 0, width, height, (float) depth, 1164 UTIL_BLITTER_ATTRIB_COLOR, color); 1165 } 1166 1167 blitter_restore_vertex_states(ctx); 1168 blitter_restore_fragment_states(ctx); 1169 blitter_restore_render_cond(ctx); 1170 blitter_unset_running_flag(ctx); 1171} 1172 1173void util_blitter_clear(struct blitter_context *blitter, 1174 unsigned width, unsigned height, unsigned num_layers, 1175 unsigned clear_buffers, 1176 const union pipe_color_union *color, 1177 double depth, unsigned stencil) 1178{ 1179 util_blitter_clear_custom(blitter, width, height, num_layers, 1180 clear_buffers, color, depth, stencil, 1181 NULL, NULL); 1182} 1183 1184void util_blitter_custom_clear_depth(struct blitter_context *blitter, 1185 unsigned width, unsigned height, 1186 double depth, void *custom_dsa) 1187{ 1188 static const union pipe_color_union color; 1189 util_blitter_clear_custom(blitter, width, height, 0, 0, &color, depth, 0, 1190 NULL, custom_dsa); 1191} 1192 1193void util_blitter_default_dst_texture(struct pipe_surface *dst_templ, 1194 struct pipe_resource *dst, 1195 unsigned dstlevel, 1196 unsigned dstz) 1197{ 1198 memset(dst_templ, 0, sizeof(*dst_templ)); 1199 dst_templ->format = util_format_linear(dst->format); 1200 dst_templ->u.tex.level = dstlevel; 1201 dst_templ->u.tex.first_layer = dstz; 1202 dst_templ->u.tex.last_layer = dstz; 1203} 1204 1205static struct pipe_surface * 1206util_blitter_get_next_surface_layer(struct pipe_context *pipe, 1207 struct pipe_surface *surf) 1208{ 1209 struct pipe_surface dst_templ; 1210 1211 memset(&dst_templ, 0, sizeof(dst_templ)); 1212 dst_templ.format = surf->format; 1213 dst_templ.u.tex.level = surf->u.tex.level; 1214 dst_templ.u.tex.first_layer = surf->u.tex.first_layer + 1; 1215 dst_templ.u.tex.last_layer = surf->u.tex.last_layer + 1; 1216 1217 return pipe->create_surface(pipe, surf->texture, &dst_templ); 1218} 1219 1220void util_blitter_default_src_texture(struct pipe_sampler_view *src_templ, 1221 struct pipe_resource *src, 1222 unsigned srclevel) 1223{ 1224 memset(src_templ, 0, sizeof(*src_templ)); 1225 src_templ->format = util_format_linear(src->format); 1226 src_templ->u.tex.first_level = srclevel; 1227 src_templ->u.tex.last_level = srclevel; 1228 src_templ->u.tex.first_layer = 0; 1229 src_templ->u.tex.last_layer = 1230 src->target == PIPE_TEXTURE_3D ? u_minify(src->depth0, srclevel) - 1 1231 : src->array_size - 1; 1232 src_templ->swizzle_r = PIPE_SWIZZLE_RED; 1233 src_templ->swizzle_g = PIPE_SWIZZLE_GREEN; 1234 src_templ->swizzle_b = PIPE_SWIZZLE_BLUE; 1235 src_templ->swizzle_a = PIPE_SWIZZLE_ALPHA; 1236} 1237 1238static boolean is_blit_generic_supported(struct blitter_context *blitter, 1239 const struct pipe_resource *dst, 1240 enum pipe_format dst_format, 1241 const struct pipe_resource *src, 1242 enum pipe_format src_format, 1243 unsigned mask) 1244{ 1245 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1246 struct pipe_screen *screen = ctx->base.pipe->screen; 1247 1248 if (dst) { 1249 unsigned bind; 1250 const struct util_format_description *desc = 1251 util_format_description(dst_format); 1252 boolean dst_has_stencil = util_format_has_stencil(desc); 1253 1254 /* Stencil export must be supported for stencil copy. */ 1255 if ((mask & PIPE_MASK_S) && dst_has_stencil && 1256 !ctx->has_stencil_export) { 1257 return FALSE; 1258 } 1259 1260 if (dst_has_stencil || util_format_has_depth(desc)) 1261 bind = PIPE_BIND_DEPTH_STENCIL; 1262 else 1263 bind = PIPE_BIND_RENDER_TARGET; 1264 1265 if (!screen->is_format_supported(screen, dst_format, dst->target, 1266 dst->nr_samples, bind)) { 1267 return FALSE; 1268 } 1269 } 1270 1271 if (src) { 1272 if (src->nr_samples > 1 && !ctx->has_texture_multisample) { 1273 return FALSE; 1274 } 1275 1276 if (!screen->is_format_supported(screen, src_format, src->target, 1277 src->nr_samples, PIPE_BIND_SAMPLER_VIEW)) { 1278 return FALSE; 1279 } 1280 1281 /* Check stencil sampler support for stencil copy. */ 1282 if (mask & PIPE_MASK_S) { 1283 if (util_format_has_stencil(util_format_description(src_format))) { 1284 enum pipe_format stencil_format = 1285 util_format_stencil_only(src_format); 1286 assert(stencil_format != PIPE_FORMAT_NONE); 1287 1288 if (stencil_format != src_format && 1289 !screen->is_format_supported(screen, stencil_format, 1290 src->target, src->nr_samples, 1291 PIPE_BIND_SAMPLER_VIEW)) { 1292 return FALSE; 1293 } 1294 } 1295 } 1296 } 1297 1298 return TRUE; 1299} 1300 1301boolean util_blitter_is_copy_supported(struct blitter_context *blitter, 1302 const struct pipe_resource *dst, 1303 const struct pipe_resource *src) 1304{ 1305 return is_blit_generic_supported(blitter, dst, dst->format, 1306 src, src->format, PIPE_MASK_RGBAZS); 1307} 1308 1309boolean util_blitter_is_blit_supported(struct blitter_context *blitter, 1310 const struct pipe_blit_info *info) 1311{ 1312 return is_blit_generic_supported(blitter, 1313 info->dst.resource, info->dst.format, 1314 info->src.resource, info->src.format, 1315 info->mask); 1316} 1317 1318void util_blitter_copy_texture(struct blitter_context *blitter, 1319 struct pipe_resource *dst, 1320 unsigned dst_level, 1321 unsigned dstx, unsigned dsty, unsigned dstz, 1322 struct pipe_resource *src, 1323 unsigned src_level, 1324 const struct pipe_box *srcbox) 1325{ 1326 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1327 struct pipe_context *pipe = ctx->base.pipe; 1328 struct pipe_surface *dst_view, dst_templ; 1329 struct pipe_sampler_view src_templ, *src_view; 1330 struct pipe_box dstbox; 1331 1332 assert(dst && src); 1333 assert(src->target < PIPE_MAX_TEXTURE_TYPES); 1334 1335 u_box_3d(dstx, dsty, dstz, abs(srcbox->width), abs(srcbox->height), 1336 abs(srcbox->depth), &dstbox); 1337 1338 /* Initialize the surface. */ 1339 util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz); 1340 dst_view = pipe->create_surface(pipe, dst, &dst_templ); 1341 1342 /* Initialize the sampler view. */ 1343 util_blitter_default_src_texture(&src_templ, src, src_level); 1344 src_view = pipe->create_sampler_view(pipe, src, &src_templ); 1345 1346 /* Copy. */ 1347 util_blitter_blit_generic(blitter, dst_view, &dstbox, 1348 src_view, srcbox, src->width0, src->height0, 1349 PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL); 1350 1351 pipe_surface_reference(&dst_view, NULL); 1352 pipe_sampler_view_reference(&src_view, NULL); 1353} 1354 1355void util_blitter_blit_generic(struct blitter_context *blitter, 1356 struct pipe_surface *dst, 1357 const struct pipe_box *dstbox, 1358 struct pipe_sampler_view *src, 1359 const struct pipe_box *srcbox, 1360 unsigned src_width0, unsigned src_height0, 1361 unsigned mask, unsigned filter, 1362 const struct pipe_scissor_state *scissor) 1363{ 1364 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1365 struct pipe_context *pipe = ctx->base.pipe; 1366 struct pipe_framebuffer_state fb_state; 1367 enum pipe_texture_target src_target = src->texture->target; 1368 unsigned src_samples = src->texture->nr_samples; 1369 unsigned dst_samples = dst->texture->nr_samples; 1370 boolean has_depth, has_stencil, has_color; 1371 boolean blit_stencil, blit_depth, blit_color; 1372 void *sampler_state; 1373 const struct util_format_description *src_desc = 1374 util_format_description(src->format); 1375 const struct util_format_description *dst_desc = 1376 util_format_description(dst->format); 1377 1378 has_color = src_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS && 1379 dst_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS; 1380 has_depth = util_format_has_depth(src_desc) && 1381 util_format_has_depth(dst_desc); 1382 has_stencil = util_format_has_stencil(src_desc) && 1383 util_format_has_stencil(dst_desc); 1384 1385 blit_color = has_color && (mask & PIPE_MASK_RGBA); 1386 blit_depth = has_depth && (mask & PIPE_MASK_Z); 1387 blit_stencil = has_stencil && (mask & PIPE_MASK_S) && 1388 ctx->has_stencil_export; 1389 1390 if (!blit_stencil && !blit_depth && !blit_color) { 1391 return; 1392 } 1393 1394 if (blit_stencil || 1395 (dstbox->width == abs(srcbox->width) && 1396 dstbox->height == abs(srcbox->height))) { 1397 filter = PIPE_TEX_FILTER_NEAREST; 1398 } 1399 1400 /* Check whether the states are properly saved. */ 1401 blitter_set_running_flag(ctx); 1402 blitter_check_saved_vertex_states(ctx); 1403 blitter_check_saved_fragment_states(ctx); 1404 blitter_check_saved_textures(ctx); 1405 blitter_check_saved_fb_state(ctx); 1406 blitter_disable_render_cond(ctx); 1407 1408 /* Initialize framebuffer state. */ 1409 fb_state.width = dst->width; 1410 fb_state.height = dst->height; 1411 fb_state.nr_cbufs = blit_depth || blit_stencil ? 0 : 1; 1412 fb_state.cbufs[0] = NULL; 1413 fb_state.zsbuf = NULL; 1414 1415 if (blit_depth || blit_stencil) { 1416 pipe->bind_blend_state(pipe, ctx->blend[0]); 1417 1418 if (blit_depth && blit_stencil) { 1419 pipe->bind_depth_stencil_alpha_state(pipe, 1420 ctx->dsa_write_depth_stencil); 1421 ctx->bind_fs_state(pipe, 1422 blitter_get_fs_texfetch_depthstencil(ctx, src_target, 1423 src_samples)); 1424 } else if (blit_depth) { 1425 pipe->bind_depth_stencil_alpha_state(pipe, 1426 ctx->dsa_write_depth_keep_stencil); 1427 ctx->bind_fs_state(pipe, 1428 blitter_get_fs_texfetch_depth(ctx, src_target, 1429 src_samples)); 1430 } else { /* is_stencil */ 1431 pipe->bind_depth_stencil_alpha_state(pipe, 1432 ctx->dsa_keep_depth_write_stencil); 1433 ctx->bind_fs_state(pipe, 1434 blitter_get_fs_texfetch_stencil(ctx, src_target, 1435 src_samples)); 1436 } 1437 1438 } else { 1439 pipe->bind_blend_state(pipe, ctx->blend[mask & PIPE_MASK_RGBA]); 1440 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1441 ctx->bind_fs_state(pipe, 1442 blitter_get_fs_texfetch_col(ctx, src->format, src_target, 1443 src_samples, dst_samples, filter)); 1444 } 1445 1446 /* Set the linear filter only for scaled color non-MSAA blits. */ 1447 if (filter == PIPE_TEX_FILTER_LINEAR) { 1448 if (src_target == PIPE_TEXTURE_RECT) { 1449 sampler_state = ctx->sampler_state_rect_linear; 1450 } else { 1451 sampler_state = ctx->sampler_state_linear; 1452 } 1453 } else { 1454 if (src_target == PIPE_TEXTURE_RECT) { 1455 sampler_state = ctx->sampler_state_rect; 1456 } else { 1457 sampler_state = ctx->sampler_state; 1458 } 1459 } 1460 1461 /* Set samplers. */ 1462 if (blit_depth && blit_stencil) { 1463 /* Setup two samplers, one for depth and the other one for stencil. */ 1464 struct pipe_sampler_view templ; 1465 struct pipe_sampler_view *views[2]; 1466 void *samplers[2] = {sampler_state, sampler_state}; 1467 1468 templ = *src; 1469 templ.format = util_format_stencil_only(templ.format); 1470 assert(templ.format != PIPE_FORMAT_NONE); 1471 1472 views[0] = src; 1473 views[1] = pipe->create_sampler_view(pipe, src->texture, &templ); 1474 1475 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 2, views); 1476 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 2, samplers); 1477 1478 pipe_sampler_view_reference(&views[1], NULL); 1479 } else if (blit_stencil) { 1480 /* Set a stencil-only sampler view for it not to sample depth instead. */ 1481 struct pipe_sampler_view templ; 1482 struct pipe_sampler_view *view; 1483 1484 templ = *src; 1485 templ.format = util_format_stencil_only(templ.format); 1486 assert(templ.format != PIPE_FORMAT_NONE); 1487 1488 view = pipe->create_sampler_view(pipe, src->texture, &templ); 1489 1490 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &view); 1491 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 1492 0, 1, &sampler_state); 1493 1494 pipe_sampler_view_reference(&view, NULL); 1495 } else { 1496 pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &src); 1497 pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 1498 0, 1, &sampler_state); 1499 } 1500 1501 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1502 if (scissor) { 1503 pipe->set_scissor_states(pipe, 0, 1, scissor); 1504 } 1505 1506 blitter_set_common_draw_rect_state(ctx, scissor != NULL, FALSE); 1507 blitter_set_dst_dimensions(ctx, dst->width, dst->height); 1508 1509 if ((src_target == PIPE_TEXTURE_1D || 1510 src_target == PIPE_TEXTURE_2D || 1511 src_target == PIPE_TEXTURE_RECT) && 1512 src_samples <= 1) { 1513 /* Draw the quad with the draw_rectangle callback. */ 1514 1515 /* Set texture coordinates. - use a pipe color union 1516 * for interface purposes. 1517 * XXX pipe_color_union is a wrong name since we use that to set 1518 * texture coordinates too. 1519 */ 1520 union pipe_color_union coord; 1521 get_texcoords(src, src_width0, src_height0, srcbox->x, srcbox->y, 1522 srcbox->x+srcbox->width, srcbox->y+srcbox->height, coord.f); 1523 1524 /* Set framebuffer state. */ 1525 if (blit_depth || blit_stencil) { 1526 fb_state.zsbuf = dst; 1527 } else { 1528 fb_state.cbufs[0] = dst; 1529 } 1530 pipe->set_framebuffer_state(pipe, &fb_state); 1531 1532 /* Draw. */ 1533 pipe->set_sample_mask(pipe, ~0); 1534 blitter->draw_rectangle(blitter, dstbox->x, dstbox->y, 1535 dstbox->x + dstbox->width, 1536 dstbox->y + dstbox->height, 0, 1537 UTIL_BLITTER_ATTRIB_TEXCOORD, &coord); 1538 } else { 1539 /* Draw the quad with the generic codepath. */ 1540 int dst_z; 1541 for (dst_z = 0; dst_z < dstbox->depth; dst_z++) { 1542 struct pipe_surface *old; 1543 float dst2src_scale = srcbox->depth / (float)dstbox->depth; 1544 1545 /* Scale Z properly if the blit is scaled. 1546 * 1547 * When downscaling, we want the coordinates centered, so that 1548 * mipmapping works for 3D textures. For example, when generating 1549 * a 4x4x4 level, this wouldn't average the pixels: 1550 * 1551 * src Z: 0 1 2 3 4 5 6 7 1552 * dst Z: 0 1 2 3 1553 * 1554 * Because the pixels are not centered below the pixels of the higher 1555 * level. Therefore, we want this: 1556 * src Z: 0 1 2 3 4 5 6 7 1557 * dst Z: 0 1 2 3 1558 * 1559 * dst_offset defines the offset needed for centering the pixels and 1560 * it works with any scaling (not just 2x). 1561 */ 1562 float dst_offset = ((srcbox->depth - 1) - 1563 (dstbox->depth - 1) * dst2src_scale) * 0.5; 1564 float src_z = (dst_z + dst_offset) * dst2src_scale; 1565 1566 /* Set framebuffer state. */ 1567 if (blit_depth || blit_stencil) { 1568 fb_state.zsbuf = dst; 1569 } else { 1570 fb_state.cbufs[0] = dst; 1571 } 1572 pipe->set_framebuffer_state(pipe, &fb_state); 1573 1574 /* See if we need to blit a multisample or singlesample buffer. */ 1575 if (src_samples == dst_samples && dst_samples > 1) { 1576 /* MSAA copy. */ 1577 unsigned i, max_sample = dst_samples - 1; 1578 1579 for (i = 0; i <= max_sample; i++) { 1580 pipe->set_sample_mask(pipe, 1 << i); 1581 blitter_set_texcoords(ctx, src, src_width0, src_height0, 1582 srcbox->z + src_z, 1583 i, srcbox->x, srcbox->y, 1584 srcbox->x + srcbox->width, 1585 srcbox->y + srcbox->height); 1586 blitter_draw(ctx, dstbox->x, dstbox->y, 1587 dstbox->x + dstbox->width, 1588 dstbox->y + dstbox->height, 0, 1); 1589 } 1590 } else { 1591 /* Normal copy, MSAA upsampling, or MSAA resolve. */ 1592 pipe->set_sample_mask(pipe, ~0); 1593 blitter_set_texcoords(ctx, src, src_width0, src_height0, 1594 srcbox->z + src_z, 0, 1595 srcbox->x, srcbox->y, 1596 srcbox->x + srcbox->width, 1597 srcbox->y + srcbox->height); 1598 blitter_draw(ctx, dstbox->x, dstbox->y, 1599 dstbox->x + dstbox->width, 1600 dstbox->y + dstbox->height, 0, 1); 1601 } 1602 1603 /* Get the next surface or (if this is the last iteration) 1604 * just unreference the last one. */ 1605 old = dst; 1606 if (dst_z < dstbox->depth-1) { 1607 dst = ctx->base.get_next_surface_layer(ctx->base.pipe, dst); 1608 } 1609 if (dst_z) { 1610 pipe_surface_reference(&old, NULL); 1611 } 1612 } 1613 } 1614 1615 blitter_restore_vertex_states(ctx); 1616 blitter_restore_fragment_states(ctx); 1617 blitter_restore_textures(ctx); 1618 blitter_restore_fb_state(ctx); 1619 if (scissor) { 1620 pipe->set_scissor_states(pipe, 0, 1, &ctx->base.saved_scissor); 1621 } 1622 blitter_restore_render_cond(ctx); 1623 blitter_unset_running_flag(ctx); 1624} 1625 1626void 1627util_blitter_blit(struct blitter_context *blitter, 1628 const struct pipe_blit_info *info) 1629{ 1630 struct pipe_resource *dst = info->dst.resource; 1631 struct pipe_resource *src = info->src.resource; 1632 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1633 struct pipe_context *pipe = ctx->base.pipe; 1634 struct pipe_surface *dst_view, dst_templ; 1635 struct pipe_sampler_view src_templ, *src_view; 1636 1637 /* Initialize the surface. */ 1638 util_blitter_default_dst_texture(&dst_templ, dst, info->dst.level, 1639 info->dst.box.z); 1640 dst_templ.format = info->dst.format; 1641 dst_view = pipe->create_surface(pipe, dst, &dst_templ); 1642 1643 /* Initialize the sampler view. */ 1644 util_blitter_default_src_texture(&src_templ, src, info->src.level); 1645 src_templ.format = info->src.format; 1646 src_view = pipe->create_sampler_view(pipe, src, &src_templ); 1647 1648 /* Copy. */ 1649 util_blitter_blit_generic(blitter, dst_view, &info->dst.box, 1650 src_view, &info->src.box, src->width0, src->height0, 1651 info->mask, info->filter, 1652 info->scissor_enable ? &info->scissor : NULL); 1653 1654 pipe_surface_reference(&dst_view, NULL); 1655 pipe_sampler_view_reference(&src_view, NULL); 1656} 1657 1658/* Clear a region of a color surface to a constant value. */ 1659void util_blitter_clear_render_target(struct blitter_context *blitter, 1660 struct pipe_surface *dstsurf, 1661 const union pipe_color_union *color, 1662 unsigned dstx, unsigned dsty, 1663 unsigned width, unsigned height) 1664{ 1665 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1666 struct pipe_context *pipe = ctx->base.pipe; 1667 struct pipe_framebuffer_state fb_state; 1668 1669 assert(dstsurf->texture); 1670 if (!dstsurf->texture) 1671 return; 1672 1673 /* check the saved state */ 1674 blitter_set_running_flag(ctx); 1675 blitter_check_saved_vertex_states(ctx); 1676 blitter_check_saved_fragment_states(ctx); 1677 blitter_check_saved_fb_state(ctx); 1678 blitter_disable_render_cond(ctx); 1679 1680 /* bind states */ 1681 pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA]); 1682 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1683 ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); 1684 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1685 1686 /* set a framebuffer state */ 1687 fb_state.width = dstsurf->width; 1688 fb_state.height = dstsurf->height; 1689 fb_state.nr_cbufs = 1; 1690 fb_state.cbufs[0] = dstsurf; 1691 fb_state.zsbuf = 0; 1692 pipe->set_framebuffer_state(pipe, &fb_state); 1693 pipe->set_sample_mask(pipe, ~0); 1694 1695 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 1696 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 1697 blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, 0, 1698 UTIL_BLITTER_ATTRIB_COLOR, color); 1699 1700 blitter_restore_vertex_states(ctx); 1701 blitter_restore_fragment_states(ctx); 1702 blitter_restore_fb_state(ctx); 1703 blitter_restore_render_cond(ctx); 1704 blitter_unset_running_flag(ctx); 1705} 1706 1707/* Clear a region of a depth stencil surface. */ 1708void util_blitter_clear_depth_stencil(struct blitter_context *blitter, 1709 struct pipe_surface *dstsurf, 1710 unsigned clear_flags, 1711 double depth, 1712 unsigned stencil, 1713 unsigned dstx, unsigned dsty, 1714 unsigned width, unsigned height) 1715{ 1716 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1717 struct pipe_context *pipe = ctx->base.pipe; 1718 struct pipe_framebuffer_state fb_state; 1719 struct pipe_stencil_ref sr = { { 0 } }; 1720 1721 assert(dstsurf->texture); 1722 if (!dstsurf->texture) 1723 return; 1724 1725 /* check the saved state */ 1726 blitter_set_running_flag(ctx); 1727 blitter_check_saved_vertex_states(ctx); 1728 blitter_check_saved_fragment_states(ctx); 1729 blitter_check_saved_fb_state(ctx); 1730 blitter_disable_render_cond(ctx); 1731 1732 /* bind states */ 1733 pipe->bind_blend_state(pipe, ctx->blend[0]); 1734 if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { 1735 sr.ref_value[0] = stencil & 0xff; 1736 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); 1737 pipe->set_stencil_ref(pipe, &sr); 1738 } 1739 else if (clear_flags & PIPE_CLEAR_DEPTH) { 1740 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); 1741 } 1742 else if (clear_flags & PIPE_CLEAR_STENCIL) { 1743 sr.ref_value[0] = stencil & 0xff; 1744 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); 1745 pipe->set_stencil_ref(pipe, &sr); 1746 } 1747 else 1748 /* hmm that should be illegal probably, or make it a no-op somewhere */ 1749 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1750 1751 ctx->bind_fs_state(pipe, ctx->fs_empty); 1752 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1753 1754 /* set a framebuffer state */ 1755 fb_state.width = dstsurf->width; 1756 fb_state.height = dstsurf->height; 1757 fb_state.nr_cbufs = 0; 1758 fb_state.cbufs[0] = 0; 1759 fb_state.zsbuf = dstsurf; 1760 pipe->set_framebuffer_state(pipe, &fb_state); 1761 pipe->set_sample_mask(pipe, ~0); 1762 1763 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 1764 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 1765 blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, 1766 (float) depth, 1767 UTIL_BLITTER_ATTRIB_NONE, NULL); 1768 1769 blitter_restore_vertex_states(ctx); 1770 blitter_restore_fragment_states(ctx); 1771 blitter_restore_fb_state(ctx); 1772 blitter_restore_render_cond(ctx); 1773 blitter_unset_running_flag(ctx); 1774} 1775 1776/* draw a rectangle across a region using a custom dsa stage - for r600g */ 1777void util_blitter_custom_depth_stencil(struct blitter_context *blitter, 1778 struct pipe_surface *zsurf, 1779 struct pipe_surface *cbsurf, 1780 unsigned sample_mask, 1781 void *dsa_stage, float depth) 1782{ 1783 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1784 struct pipe_context *pipe = ctx->base.pipe; 1785 struct pipe_framebuffer_state fb_state; 1786 1787 assert(zsurf->texture); 1788 if (!zsurf->texture) 1789 return; 1790 1791 /* check the saved state */ 1792 blitter_set_running_flag(ctx); 1793 blitter_check_saved_vertex_states(ctx); 1794 blitter_check_saved_fragment_states(ctx); 1795 blitter_check_saved_fb_state(ctx); 1796 blitter_disable_render_cond(ctx); 1797 1798 /* bind states */ 1799 pipe->bind_blend_state(pipe, cbsurf ? ctx->blend[PIPE_MASK_RGBA] : 1800 ctx->blend[0]); 1801 pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage); 1802 ctx->bind_fs_state(pipe, cbsurf ? ctx->fs_write_one_cbuf : ctx->fs_empty); 1803 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1804 1805 /* set a framebuffer state */ 1806 fb_state.width = zsurf->width; 1807 fb_state.height = zsurf->height; 1808 fb_state.nr_cbufs = 1; 1809 if (cbsurf) { 1810 fb_state.cbufs[0] = cbsurf; 1811 fb_state.nr_cbufs = 1; 1812 } else { 1813 fb_state.cbufs[0] = NULL; 1814 fb_state.nr_cbufs = 0; 1815 } 1816 fb_state.zsbuf = zsurf; 1817 pipe->set_framebuffer_state(pipe, &fb_state); 1818 pipe->set_sample_mask(pipe, sample_mask); 1819 1820 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 1821 blitter_set_dst_dimensions(ctx, zsurf->width, zsurf->height); 1822 blitter->draw_rectangle(blitter, 0, 0, zsurf->width, zsurf->height, depth, 1823 UTIL_BLITTER_ATTRIB_NONE, NULL); 1824 1825 blitter_restore_vertex_states(ctx); 1826 blitter_restore_fragment_states(ctx); 1827 blitter_restore_fb_state(ctx); 1828 blitter_restore_render_cond(ctx); 1829 blitter_unset_running_flag(ctx); 1830} 1831 1832void util_blitter_copy_buffer(struct blitter_context *blitter, 1833 struct pipe_resource *dst, 1834 unsigned dstx, 1835 struct pipe_resource *src, 1836 unsigned srcx, 1837 unsigned size) 1838{ 1839 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1840 struct pipe_context *pipe = ctx->base.pipe; 1841 struct pipe_vertex_buffer vb; 1842 struct pipe_stream_output_target *so_target; 1843 unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0}; 1844 1845 if (srcx >= src->width0 || 1846 dstx >= dst->width0) { 1847 return; 1848 } 1849 if (srcx + size > src->width0) { 1850 size = src->width0 - srcx; 1851 } 1852 if (dstx + size > dst->width0) { 1853 size = dst->width0 - dstx; 1854 } 1855 1856 /* Drivers not capable of Stream Out should not call this function 1857 * in the first place. */ 1858 assert(ctx->has_stream_out); 1859 1860 /* Some alignment is required. */ 1861 if (srcx % 4 != 0 || dstx % 4 != 0 || size % 4 != 0 || 1862 !ctx->has_stream_out) { 1863 struct pipe_box box; 1864 u_box_1d(srcx, size, &box); 1865 util_resource_copy_region(pipe, dst, 0, dstx, 0, 0, src, 0, &box); 1866 return; 1867 } 1868 1869 blitter_set_running_flag(ctx); 1870 blitter_check_saved_vertex_states(ctx); 1871 blitter_disable_render_cond(ctx); 1872 1873 vb.buffer = src; 1874 vb.buffer_offset = srcx; 1875 vb.stride = 4; 1876 1877 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); 1878 pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf[0]); 1879 pipe->bind_vs_state(pipe, ctx->vs_pos_only); 1880 if (ctx->has_geometry_shader) 1881 pipe->bind_gs_state(pipe, NULL); 1882 pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state); 1883 1884 so_target = pipe->create_stream_output_target(pipe, dst, dstx, size); 1885 pipe->set_stream_output_targets(pipe, 1, &so_target, offsets); 1886 1887 util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); 1888 1889 blitter_restore_vertex_states(ctx); 1890 blitter_restore_render_cond(ctx); 1891 blitter_unset_running_flag(ctx); 1892 pipe_so_target_reference(&so_target, NULL); 1893} 1894 1895void util_blitter_clear_buffer(struct blitter_context *blitter, 1896 struct pipe_resource *dst, 1897 unsigned offset, unsigned size, 1898 unsigned num_channels, 1899 const union pipe_color_union *clear_value) 1900{ 1901 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1902 struct pipe_context *pipe = ctx->base.pipe; 1903 struct pipe_vertex_buffer vb = {0}; 1904 struct pipe_stream_output_target *so_target; 1905 unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0}; 1906 1907 assert(num_channels >= 1); 1908 assert(num_channels <= 4); 1909 1910 /* IMPORTANT: DON'T DO ANY BOUNDS CHECKING HERE! 1911 * 1912 * R600 uses this to initialize texture resources, so width0 might not be 1913 * what you think it is. 1914 */ 1915 1916 /* Streamout is required. */ 1917 if (!ctx->has_stream_out) { 1918 assert(!"Streamout unsupported in util_blitter_clear_buffer()"); 1919 return; 1920 } 1921 1922 /* Some alignment is required. */ 1923 if (offset % 4 != 0 || size % 4 != 0) { 1924 assert(!"Bad alignment in util_blitter_clear_buffer()"); 1925 return; 1926 } 1927 1928 u_upload_data(ctx->upload, 0, num_channels*4, clear_value, 1929 &vb.buffer_offset, &vb.buffer); 1930 vb.stride = 0; 1931 1932 blitter_set_running_flag(ctx); 1933 blitter_check_saved_vertex_states(ctx); 1934 blitter_disable_render_cond(ctx); 1935 1936 pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); 1937 pipe->bind_vertex_elements_state(pipe, 1938 ctx->velem_state_readbuf[num_channels-1]); 1939 pipe->bind_vs_state(pipe, ctx->vs_pos_only); 1940 if (ctx->has_geometry_shader) 1941 pipe->bind_gs_state(pipe, NULL); 1942 pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state); 1943 1944 so_target = pipe->create_stream_output_target(pipe, dst, offset, size); 1945 pipe->set_stream_output_targets(pipe, 1, &so_target, offsets); 1946 1947 util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); 1948 1949 blitter_restore_vertex_states(ctx); 1950 blitter_restore_render_cond(ctx); 1951 blitter_unset_running_flag(ctx); 1952 pipe_so_target_reference(&so_target, NULL); 1953 pipe_resource_reference(&vb.buffer, NULL); 1954} 1955 1956/* probably radeon specific */ 1957void util_blitter_custom_resolve_color(struct blitter_context *blitter, 1958 struct pipe_resource *dst, 1959 unsigned dst_level, 1960 unsigned dst_layer, 1961 struct pipe_resource *src, 1962 unsigned src_layer, 1963 unsigned sample_mask, 1964 void *custom_blend, 1965 enum pipe_format format) 1966{ 1967 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 1968 struct pipe_context *pipe = ctx->base.pipe; 1969 struct pipe_framebuffer_state fb_state; 1970 struct pipe_surface *srcsurf, *dstsurf, surf_tmpl; 1971 1972 blitter_set_running_flag(ctx); 1973 blitter_check_saved_vertex_states(ctx); 1974 blitter_check_saved_fragment_states(ctx); 1975 blitter_disable_render_cond(ctx); 1976 1977 /* bind states */ 1978 pipe->bind_blend_state(pipe, custom_blend); 1979 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 1980 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 1981 ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); 1982 pipe->set_sample_mask(pipe, sample_mask); 1983 1984 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1985 surf_tmpl.format = format; 1986 surf_tmpl.u.tex.level = dst_level; 1987 surf_tmpl.u.tex.first_layer = dst_layer; 1988 surf_tmpl.u.tex.last_layer = dst_layer; 1989 1990 dstsurf = pipe->create_surface(pipe, dst, &surf_tmpl); 1991 1992 surf_tmpl.u.tex.level = 0; 1993 surf_tmpl.u.tex.first_layer = src_layer; 1994 surf_tmpl.u.tex.last_layer = src_layer; 1995 1996 srcsurf = pipe->create_surface(pipe, src, &surf_tmpl); 1997 1998 /* set a framebuffer state */ 1999 fb_state.width = src->width0; 2000 fb_state.height = src->height0; 2001 fb_state.nr_cbufs = 2; 2002 fb_state.cbufs[0] = srcsurf; 2003 fb_state.cbufs[1] = dstsurf; 2004 fb_state.zsbuf = NULL; 2005 pipe->set_framebuffer_state(pipe, &fb_state); 2006 2007 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 2008 blitter_set_dst_dimensions(ctx, src->width0, src->height0); 2009 blitter->draw_rectangle(blitter, 0, 0, src->width0, src->height0, 2010 0, 0, NULL); 2011 blitter_restore_fb_state(ctx); 2012 blitter_restore_vertex_states(ctx); 2013 blitter_restore_fragment_states(ctx); 2014 blitter_restore_render_cond(ctx); 2015 blitter_unset_running_flag(ctx); 2016 2017 pipe_surface_reference(&srcsurf, NULL); 2018 pipe_surface_reference(&dstsurf, NULL); 2019} 2020 2021void util_blitter_custom_color(struct blitter_context *blitter, 2022 struct pipe_surface *dstsurf, 2023 void *custom_blend) 2024{ 2025 struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; 2026 struct pipe_context *pipe = ctx->base.pipe; 2027 struct pipe_framebuffer_state fb_state; 2028 2029 assert(dstsurf->texture); 2030 if (!dstsurf->texture) 2031 return; 2032 2033 /* check the saved state */ 2034 blitter_set_running_flag(ctx); 2035 blitter_check_saved_vertex_states(ctx); 2036 blitter_check_saved_fragment_states(ctx); 2037 blitter_check_saved_fb_state(ctx); 2038 blitter_disable_render_cond(ctx); 2039 2040 /* bind states */ 2041 pipe->bind_blend_state(pipe, custom_blend ? custom_blend 2042 : ctx->blend[PIPE_MASK_RGBA]); 2043 pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); 2044 ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); 2045 pipe->bind_vertex_elements_state(pipe, ctx->velem_state); 2046 pipe->set_sample_mask(pipe, (1ull << MAX2(1, dstsurf->texture->nr_samples)) - 1); 2047 2048 /* set a framebuffer state */ 2049 fb_state.width = dstsurf->width; 2050 fb_state.height = dstsurf->height; 2051 fb_state.nr_cbufs = 1; 2052 fb_state.cbufs[0] = dstsurf; 2053 fb_state.zsbuf = 0; 2054 pipe->set_framebuffer_state(pipe, &fb_state); 2055 pipe->set_sample_mask(pipe, ~0); 2056 2057 blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 2058 blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); 2059 blitter->draw_rectangle(blitter, 0, 0, dstsurf->width, dstsurf->height, 2060 0, 0, NULL); 2061 2062 blitter_restore_vertex_states(ctx); 2063 blitter_restore_fragment_states(ctx); 2064 blitter_restore_fb_state(ctx); 2065 blitter_restore_render_cond(ctx); 2066 blitter_unset_running_flag(ctx); 2067} 2068