1 2 /********************************************************** 3 * Copyright 2008-2009 VMware, Inc. All rights reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person 6 * obtaining a copy of this software and associated documentation 7 * files (the "Software"), to deal in the Software without 8 * restriction, including without limitation the rights to use, copy, 9 * modify, merge, publish, distribute, sublicense, and/or sell copies 10 * of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 **********************************************************/ 26 27 #include "util/u_format.h" 28 #include "util/u_inlines.h" 29 #include "util/u_memory.h" 30 #include "pipe/p_defines.h" 31 #include "util/u_upload_mgr.h" 32 33 #include "svga_screen.h" 34 #include "svga_context.h" 35 #include "svga_state.h" 36 #include "svga_cmd.h" 37 #include "svga_tgsi.h" 38 #include "svga_debug.h" 39 #include "svga_resource_buffer.h" 40 #include "svga_shader.h" 41 42 #include "svga_hw_reg.h" 43 44 45 /* 46 * Don't try to send more than 4kb of successive constants. 47 */ 48 #define MAX_CONST_REG_COUNT 256 /**< number of float[4] constants */ 49 50 /** 51 * Extra space for svga-specific VS/PS constants (such as texcoord 52 * scale factors, vertex transformation scale/translation). 53 */ 54 #define MAX_EXTRA_CONSTS 32 55 56 /** Guest-backed surface constant buffers must be this size */ 57 #define GB_CONSTBUF_SIZE (SVGA3D_CONSTREG_MAX) 58 59 60 /** 61 * Emit any extra shader-type-independent shader constants into the buffer 62 * pointed to by 'dest'. 63 * \return number of float[4] constants put into the 'dest' buffer 64 */ 65 static unsigned 66 svga_get_extra_constants_common(struct svga_context *svga, 67 const struct svga_shader_variant *variant, 68 enum pipe_shader_type shader, float *dest) 69 { 70 uint32_t *dest_u = (uint32_t *) dest; // uint version of dest 71 unsigned i; 72 unsigned count = 0; 73 74 for (i = 0; i < variant->key.num_textures; i++) { 75 const struct pipe_sampler_view *sv = svga->curr.sampler_views[shader][i]; 76 if (sv) { 77 const struct pipe_resource *tex = sv->texture; 78 /* Scaling factors needed for handling unnormalized texture coordinates 79 * for texture rectangles. 80 */ 81 if (variant->key.tex[i].unnormalized) { 82 /* debug/sanity check */ 83 assert(variant->key.tex[i].width_height_idx == count); 84 85 *dest++ = 1.0 / (float)tex->width0; 86 *dest++ = 1.0 / (float)tex->height0; 87 *dest++ = 1.0; 88 *dest++ = 1.0; 89 90 count++; 91 } 92 93 /* Store the sizes for texture buffers. 94 */ 95 if (tex->target == PIPE_BUFFER) { 96 unsigned bytes_per_element = util_format_get_blocksize(sv->format); 97 *dest_u++ = tex->width0 / bytes_per_element; 98 *dest_u++ = 1; 99 *dest_u++ = 1; 100 *dest_u++ = 1; 101 102 count++; 103 } 104 } 105 } 106 107 return count; 108 } 109 110 111 /** 112 * Emit any extra fragment shader constants into the buffer pointed 113 * to by 'dest'. 114 * \return number of float[4] constants put into the dest buffer 115 */ 116 static unsigned 117 svga_get_extra_fs_constants(struct svga_context *svga, float *dest) 118 { 119 const struct svga_shader_variant *variant = svga->state.hw_draw.fs; 120 unsigned count = 0; 121 122 count += svga_get_extra_constants_common(svga, variant, 123 PIPE_SHADER_FRAGMENT, dest); 124 125 assert(count <= MAX_EXTRA_CONSTS); 126 127 return count; 128 } 129 130 /** 131 * Emit extra constants needed for prescale computation into the 132 * the buffer pointed to by '*dest'. The updated buffer pointer 133 * will be returned in 'dest'. 134 */ 135 static unsigned 136 svga_get_prescale_constants(struct svga_context *svga, float **dest) 137 { 138 memcpy(*dest, svga->state.hw_clear.prescale.scale, 4 * sizeof(float)); 139 *dest += 4; 140 141 memcpy(*dest, svga->state.hw_clear.prescale.translate, 4 * sizeof(float)); 142 *dest += 4; 143 144 return 2; 145 } 146 147 /** 148 * Emit extra constants needed for point sprite emulation. 149 */ 150 static unsigned 151 svga_get_pt_sprite_constants(struct svga_context *svga, float **dest) 152 { 153 const struct svga_screen *screen = svga_screen(svga->pipe.screen); 154 float *dst = *dest; 155 156 dst[0] = 1.0 / (svga->curr.viewport.scale[0] * 2); 157 dst[1] = 1.0 / (svga->curr.viewport.scale[1] * 2); 158 dst[2] = svga->curr.rast->pointsize; 159 dst[3] = screen->maxPointSize; 160 *dest = *dest + 4; 161 return 1; 162 } 163 164 /** 165 * Emit user-defined clip plane coefficients into the buffer pointed to 166 * by '*dest'. The updated buffer pointer will be returned in 'dest'. 167 */ 168 static unsigned 169 svga_get_clip_plane_constants(struct svga_context *svga, 170 const struct svga_shader_variant *variant, 171 float **dest) 172 { 173 unsigned count = 0; 174 175 /* SVGA_NEW_CLIP */ 176 if (svga_have_vgpu10(svga)) { 177 /* append user-defined clip plane coefficients onto constant buffer */ 178 unsigned clip_planes = variant->key.clip_plane_enable; 179 while (clip_planes) { 180 int i = u_bit_scan(&clip_planes); 181 COPY_4V(*dest, svga->curr.clip.ucp[i]); 182 *dest += 4; 183 count += 1; 184 } 185 } 186 return count; 187 } 188 189 /** 190 * Emit any extra vertex shader constants into the buffer pointed 191 * to by 'dest'. 192 * In particular, these would be the scale and bias factors computed 193 * from the framebuffer size which are used to copy with differences in 194 * GL vs D3D coordinate spaces. See svga_tgsi_insn.c for more info. 195 * \return number of float[4] constants put into the dest buffer 196 */ 197 static unsigned 198 svga_get_extra_vs_constants(struct svga_context *svga, float *dest) 199 { 200 const struct svga_shader_variant *variant = svga->state.hw_draw.vs; 201 unsigned count = 0; 202 203 /* SVGA_NEW_VS_VARIANT 204 */ 205 if (variant->key.vs.need_prescale) { 206 count += svga_get_prescale_constants(svga, &dest); 207 } 208 209 if (variant->key.vs.undo_viewport) { 210 /* Used to convert window coords back to NDC coords */ 211 dest[0] = 1.0f / svga->curr.viewport.scale[0]; 212 dest[1] = 1.0f / svga->curr.viewport.scale[1]; 213 dest[2] = -svga->curr.viewport.translate[0]; 214 dest[3] = -svga->curr.viewport.translate[1]; 215 dest += 4; 216 count += 1; 217 } 218 219 /* SVGA_NEW_CLIP */ 220 count += svga_get_clip_plane_constants(svga, variant, &dest); 221 222 /* common constants */ 223 count += svga_get_extra_constants_common(svga, variant, 224 PIPE_SHADER_VERTEX, dest); 225 226 assert(count <= MAX_EXTRA_CONSTS); 227 228 return count; 229 } 230 231 /** 232 * Emit any extra geometry shader constants into the buffer pointed 233 * to by 'dest'. 234 */ 235 static unsigned 236 svga_get_extra_gs_constants(struct svga_context *svga, float *dest) 237 { 238 const struct svga_shader_variant *variant = svga->state.hw_draw.gs; 239 unsigned count = 0; 240 241 /* SVGA_NEW_GS_VARIANT 242 */ 243 244 /* Constants for point sprite 245 * These are used in the transformed gs that supports point sprite. 246 * They need to be added before the prescale constants. 247 */ 248 if (variant->key.gs.wide_point) { 249 count += svga_get_pt_sprite_constants(svga, &dest); 250 } 251 252 if (variant->key.gs.need_prescale) { 253 count += svga_get_prescale_constants(svga, &dest); 254 } 255 256 /* SVGA_NEW_CLIP */ 257 count += svga_get_clip_plane_constants(svga, variant, &dest); 258 259 /* common constants */ 260 count += svga_get_extra_constants_common(svga, variant, 261 PIPE_SHADER_GEOMETRY, dest); 262 263 assert(count <= MAX_EXTRA_CONSTS); 264 return count; 265 } 266 267 268 /* 269 * Check and emit a range of shader constant registers, trying to coalesce 270 * successive shader constant updates in a single command in order to save 271 * space on the command buffer. This is a HWv8 feature. 272 */ 273 static enum pipe_error 274 emit_const_range(struct svga_context *svga, 275 enum pipe_shader_type shader, 276 unsigned offset, 277 unsigned count, 278 const float (*values)[4]) 279 { 280 unsigned i, j; 281 enum pipe_error ret; 282 283 assert(shader == PIPE_SHADER_VERTEX || 284 shader == PIPE_SHADER_FRAGMENT); 285 assert(!svga_have_vgpu10(svga)); 286 287 #ifdef DEBUG 288 if (offset + count > SVGA3D_CONSTREG_MAX) { 289 debug_printf("svga: too many constants (offset %u + count %u = %u (max = %u))\n", 290 offset, count, offset + count, SVGA3D_CONSTREG_MAX); 291 } 292 #endif 293 294 if (offset > SVGA3D_CONSTREG_MAX) { 295 /* This isn't OK, but if we propagate an error all the way up we'll 296 * just get into more trouble. 297 * XXX note that offset is always zero at this time so this is moot. 298 */ 299 return PIPE_OK; 300 } 301 302 if (offset + count > SVGA3D_CONSTREG_MAX) { 303 /* Just drop the extra constants for now. 304 * Ideally we should not have allowed the app to create a shader 305 * that exceeds our constant buffer size but there's no way to 306 * express that in gallium at this time. 307 */ 308 count = SVGA3D_CONSTREG_MAX - offset; 309 } 310 311 i = 0; 312 while (i < count) { 313 if (memcmp(svga->state.hw_draw.cb[shader][offset + i], 314 values[i], 315 4 * sizeof(float)) != 0) { 316 /* Found one dirty constant 317 */ 318 if (SVGA_DEBUG & DEBUG_CONSTS) 319 debug_printf("%s %s %d: %f %f %f %f\n", 320 __FUNCTION__, 321 shader == PIPE_SHADER_VERTEX ? "VERT" : "FRAG", 322 offset + i, 323 values[i][0], 324 values[i][1], 325 values[i][2], 326 values[i][3]); 327 328 /* Look for more consecutive dirty constants. 329 */ 330 j = i + 1; 331 while (j < count && 332 j < i + MAX_CONST_REG_COUNT && 333 memcmp(svga->state.hw_draw.cb[shader][offset + j], 334 values[j], 335 4 * sizeof(float)) != 0) { 336 337 if (SVGA_DEBUG & DEBUG_CONSTS) 338 debug_printf("%s %s %d: %f %f %f %f\n", 339 __FUNCTION__, 340 shader == PIPE_SHADER_VERTEX ? "VERT" : "FRAG", 341 offset + j, 342 values[j][0], 343 values[j][1], 344 values[j][2], 345 values[j][3]); 346 347 ++j; 348 } 349 350 assert(j >= i + 1); 351 352 /* Send them all together. 353 */ 354 if (svga_have_gb_objects(svga)) { 355 ret = SVGA3D_SetGBShaderConstsInline(svga->swc, 356 offset + i, /* start */ 357 j - i, /* count */ 358 svga_shader_type(shader), 359 SVGA3D_CONST_TYPE_FLOAT, 360 values + i); 361 } 362 else { 363 ret = SVGA3D_SetShaderConsts(svga->swc, 364 offset + i, j - i, 365 svga_shader_type(shader), 366 SVGA3D_CONST_TYPE_FLOAT, 367 values + i); 368 } 369 if (ret != PIPE_OK) { 370 return ret; 371 } 372 373 /* 374 * Local copy of the hardware state. 375 */ 376 memcpy(svga->state.hw_draw.cb[shader][offset + i], 377 values[i], 378 (j - i) * 4 * sizeof(float)); 379 380 i = j + 1; 381 382 svga->hud.num_const_updates++; 383 384 } else { 385 ++i; 386 } 387 } 388 389 return PIPE_OK; 390 } 391 392 393 /** 394 * Emit all the constants in a constant buffer for a shader stage. 395 * On VGPU10, emit_consts_vgpu10 is used instead. 396 */ 397 static enum pipe_error 398 emit_consts_vgpu9(struct svga_context *svga, enum pipe_shader_type shader) 399 { 400 const struct pipe_constant_buffer *cbuf; 401 struct pipe_transfer *transfer = NULL; 402 unsigned count; 403 const float (*data)[4] = NULL; 404 enum pipe_error ret = PIPE_OK; 405 const unsigned offset = 0; 406 407 assert(shader < PIPE_SHADER_TYPES); 408 assert(!svga_have_vgpu10(svga)); 409 /* Only one constant buffer per shader is supported before VGPU10. 410 * This is only an approximate check against that. 411 */ 412 assert(svga->curr.constbufs[shader][1].buffer == NULL); 413 414 cbuf = &svga->curr.constbufs[shader][0]; 415 416 if (svga->curr.constbufs[shader][0].buffer) { 417 /* emit user-provided constants */ 418 data = (const float (*)[4]) 419 pipe_buffer_map(&svga->pipe, svga->curr.constbufs[shader][0].buffer, 420 PIPE_TRANSFER_READ, &transfer); 421 if (!data) { 422 return PIPE_ERROR_OUT_OF_MEMORY; 423 } 424 425 /* sanity check */ 426 assert(cbuf->buffer->width0 >= cbuf->buffer_size); 427 428 /* Use/apply the constant buffer size and offsets here */ 429 count = cbuf->buffer_size / (4 * sizeof(float)); 430 data += cbuf->buffer_offset / (4 * sizeof(float)); 431 432 ret = emit_const_range( svga, shader, offset, count, data ); 433 434 pipe_buffer_unmap(&svga->pipe, transfer); 435 436 if (ret != PIPE_OK) { 437 return ret; 438 } 439 } 440 441 /* emit extra shader constants */ 442 { 443 const struct svga_shader_variant *variant = NULL; 444 unsigned offset; 445 float extras[MAX_EXTRA_CONSTS][4]; 446 unsigned count; 447 448 switch (shader) { 449 case PIPE_SHADER_VERTEX: 450 variant = svga->state.hw_draw.vs; 451 count = svga_get_extra_vs_constants(svga, (float *) extras); 452 break; 453 case PIPE_SHADER_FRAGMENT: 454 variant = svga->state.hw_draw.fs; 455 count = svga_get_extra_fs_constants(svga, (float *) extras); 456 break; 457 default: 458 assert(!"Unexpected shader type"); 459 count = 0; 460 } 461 462 assert(variant); 463 offset = variant->shader->info.file_max[TGSI_FILE_CONSTANT] + 1; 464 assert(count <= ARRAY_SIZE(extras)); 465 466 if (count > 0) { 467 ret = emit_const_range(svga, shader, offset, count, 468 (const float (*) [4])extras); 469 } 470 } 471 472 return ret; 473 } 474 475 476 477 static enum pipe_error 478 emit_constbuf_vgpu10(struct svga_context *svga, enum pipe_shader_type shader) 479 { 480 const struct pipe_constant_buffer *cbuf; 481 struct pipe_resource *dst_buffer = NULL; 482 enum pipe_error ret = PIPE_OK; 483 struct pipe_transfer *src_transfer; 484 struct svga_winsys_surface *dst_handle; 485 float extras[MAX_EXTRA_CONSTS][4]; 486 unsigned extra_count, extra_size, extra_offset; 487 unsigned new_buf_size; 488 void *src_map = NULL, *dst_map; 489 unsigned offset; 490 const struct svga_shader_variant *variant; 491 unsigned alloc_buf_size; 492 493 assert(shader == PIPE_SHADER_VERTEX || 494 shader == PIPE_SHADER_GEOMETRY || 495 shader == PIPE_SHADER_FRAGMENT); 496 497 cbuf = &svga->curr.constbufs[shader][0]; 498 499 switch (shader) { 500 case PIPE_SHADER_VERTEX: 501 variant = svga->state.hw_draw.vs; 502 extra_count = svga_get_extra_vs_constants(svga, (float *) extras); 503 break; 504 case PIPE_SHADER_FRAGMENT: 505 variant = svga->state.hw_draw.fs; 506 extra_count = svga_get_extra_fs_constants(svga, (float *) extras); 507 break; 508 case PIPE_SHADER_GEOMETRY: 509 variant = svga->state.hw_draw.gs; 510 extra_count = svga_get_extra_gs_constants(svga, (float *) extras); 511 break; 512 default: 513 assert(!"Unexpected shader type"); 514 /* Don't return an error code since we don't want to keep re-trying 515 * this function and getting stuck in an infinite loop. 516 */ 517 return PIPE_OK; 518 } 519 520 assert(variant); 521 522 /* Compute extra constants size and offset in bytes */ 523 extra_size = extra_count * 4 * sizeof(float); 524 extra_offset = 4 * sizeof(float) * variant->extra_const_start; 525 526 if (cbuf->buffer_size + extra_size == 0) 527 return PIPE_OK; /* nothing to do */ 528 529 /* Typically, the cbuf->buffer here is a user-space buffer so mapping 530 * it is really cheap. If we ever get real HW buffers for constants 531 * we should void mapping and instead use a ResourceCopy command. 532 */ 533 if (cbuf->buffer_size > 0) { 534 src_map = pipe_buffer_map_range(&svga->pipe, cbuf->buffer, 535 cbuf->buffer_offset, cbuf->buffer_size, 536 PIPE_TRANSFER_READ, &src_transfer); 537 assert(src_map); 538 if (!src_map) { 539 return PIPE_ERROR_OUT_OF_MEMORY; 540 } 541 } 542 543 /* The new/dest buffer's size must be large enough to hold the original, 544 * user-specified constants, plus the extra constants. 545 * The size of the original constant buffer _should_ agree with what the 546 * shader is expecting, but it might not (it's not enforced anywhere by 547 * gallium). 548 */ 549 new_buf_size = MAX2(cbuf->buffer_size, extra_offset) + extra_size; 550 551 /* According to the DX10 spec, the constant buffer size must be 552 * in multiples of 16. 553 */ 554 new_buf_size = align(new_buf_size, 16); 555 556 /* Constant buffer size in the upload buffer must be in multiples of 256. 557 * In order to maximize the chance of merging the upload buffer chunks 558 * when svga_buffer_add_range() is called, 559 * the allocate buffer size needs to be in multiples of 256 as well. 560 * Otherwise, since there is gap between each dirty range of the upload buffer, 561 * each dirty range will end up in its own UPDATE_GB_IMAGE command. 562 */ 563 alloc_buf_size = align(new_buf_size, CONST0_UPLOAD_ALIGNMENT); 564 565 u_upload_alloc(svga->const0_upload, 0, alloc_buf_size, 566 CONST0_UPLOAD_ALIGNMENT, &offset, 567 &dst_buffer, &dst_map); 568 if (!dst_map) { 569 if (src_map) 570 pipe_buffer_unmap(&svga->pipe, src_transfer); 571 return PIPE_ERROR_OUT_OF_MEMORY; 572 } 573 574 if (src_map) { 575 memcpy(dst_map, src_map, cbuf->buffer_size); 576 pipe_buffer_unmap(&svga->pipe, src_transfer); 577 } 578 579 if (extra_size) { 580 assert(extra_offset + extra_size <= new_buf_size); 581 memcpy((char *) dst_map + extra_offset, extras, extra_size); 582 } 583 584 /* Get winsys handle for the constant buffer */ 585 if (svga->state.hw_draw.const0_buffer == dst_buffer && 586 svga->state.hw_draw.const0_handle) { 587 /* re-reference already mapped buffer */ 588 dst_handle = svga->state.hw_draw.const0_handle; 589 } 590 else { 591 /* we must unmap the buffer before getting the winsys handle */ 592 u_upload_unmap(svga->const0_upload); 593 594 dst_handle = svga_buffer_handle(svga, dst_buffer, 595 PIPE_BIND_CONSTANT_BUFFER); 596 if (!dst_handle) { 597 pipe_resource_reference(&dst_buffer, NULL); 598 return PIPE_ERROR_OUT_OF_MEMORY; 599 } 600 601 /* save the buffer / handle for next time */ 602 pipe_resource_reference(&svga->state.hw_draw.const0_buffer, dst_buffer); 603 svga->state.hw_draw.const0_handle = dst_handle; 604 } 605 606 /* Issue the SetSingleConstantBuffer command */ 607 assert(new_buf_size % 16 == 0); 608 ret = SVGA3D_vgpu10_SetSingleConstantBuffer(svga->swc, 609 0, /* index */ 610 svga_shader_type(shader), 611 dst_handle, 612 offset, 613 new_buf_size); 614 615 if (ret != PIPE_OK) { 616 pipe_resource_reference(&dst_buffer, NULL); 617 return ret; 618 } 619 620 /* Save this const buffer until it's replaced in the future. 621 * Otherwise, all references to the buffer will go away after the 622 * command buffer is submitted, it'll get recycled and we will have 623 * incorrect constant buffer bindings. 624 */ 625 pipe_resource_reference(&svga->state.hw_draw.constbuf[shader], dst_buffer); 626 627 svga->state.hw_draw.default_constbuf_size[shader] = new_buf_size; 628 629 pipe_resource_reference(&dst_buffer, NULL); 630 631 svga->hud.num_const_buf_updates++; 632 633 return ret; 634 } 635 636 637 static enum pipe_error 638 emit_consts_vgpu10(struct svga_context *svga, enum pipe_shader_type shader) 639 { 640 enum pipe_error ret; 641 unsigned dirty_constbufs; 642 unsigned enabled_constbufs; 643 644 /* Emit 0th constant buffer (with extra constants) */ 645 ret = emit_constbuf_vgpu10(svga, shader); 646 if (ret != PIPE_OK) { 647 return ret; 648 } 649 650 enabled_constbufs = svga->state.hw_draw.enabled_constbufs[shader] | 1u; 651 652 /* Emit other constant buffers (UBOs) */ 653 dirty_constbufs = svga->state.dirty_constbufs[shader] & ~1u; 654 655 while (dirty_constbufs) { 656 unsigned index = u_bit_scan(&dirty_constbufs); 657 unsigned offset = svga->curr.constbufs[shader][index].buffer_offset; 658 unsigned size = svga->curr.constbufs[shader][index].buffer_size; 659 struct svga_buffer *buffer = 660 svga_buffer(svga->curr.constbufs[shader][index].buffer); 661 struct svga_winsys_surface *handle; 662 663 if (buffer) { 664 handle = svga_buffer_handle(svga, &buffer->b.b, 665 PIPE_BIND_CONSTANT_BUFFER); 666 enabled_constbufs |= 1 << index; 667 } 668 else { 669 handle = NULL; 670 enabled_constbufs &= ~(1 << index); 671 assert(offset == 0); 672 assert(size == 0); 673 } 674 675 if (size % 16 != 0) { 676 /* GL's buffer range sizes can be any number of bytes but the 677 * SVGA3D device requires a multiple of 16 bytes. 678 */ 679 const unsigned total_size = buffer->b.b.width0; 680 681 if (offset + align(size, 16) <= total_size) { 682 /* round up size to multiple of 16 */ 683 size = align(size, 16); 684 } 685 else { 686 /* round down to mulitple of 16 (this may cause rendering problems 687 * but should avoid a device error). 688 */ 689 size &= ~15; 690 } 691 } 692 693 assert(size % 16 == 0); 694 ret = SVGA3D_vgpu10_SetSingleConstantBuffer(svga->swc, 695 index, 696 svga_shader_type(shader), 697 handle, 698 offset, 699 size); 700 if (ret != PIPE_OK) 701 return ret; 702 703 svga->hud.num_const_buf_updates++; 704 } 705 706 svga->state.hw_draw.enabled_constbufs[shader] = enabled_constbufs; 707 svga->state.dirty_constbufs[shader] = 0; 708 709 return ret; 710 } 711 712 static enum pipe_error 713 emit_fs_consts(struct svga_context *svga, unsigned dirty) 714 { 715 const struct svga_shader_variant *variant = svga->state.hw_draw.fs; 716 enum pipe_error ret = PIPE_OK; 717 718 /* SVGA_NEW_FS_VARIANT 719 */ 720 if (!variant) 721 return PIPE_OK; 722 723 /* SVGA_NEW_FS_CONST_BUFFER 724 */ 725 if (svga_have_vgpu10(svga)) { 726 ret = emit_consts_vgpu10(svga, PIPE_SHADER_FRAGMENT); 727 } 728 else { 729 ret = emit_consts_vgpu9(svga, PIPE_SHADER_FRAGMENT); 730 } 731 732 return ret; 733 } 734 735 736 struct svga_tracked_state svga_hw_fs_constants = 737 { 738 "hw fs params", 739 (SVGA_NEW_FS_CONST_BUFFER | 740 SVGA_NEW_FS_VARIANT | 741 SVGA_NEW_TEXTURE_CONSTS), 742 emit_fs_consts 743 }; 744 745 746 747 static enum pipe_error 748 emit_vs_consts(struct svga_context *svga, unsigned dirty) 749 { 750 const struct svga_shader_variant *variant = svga->state.hw_draw.vs; 751 enum pipe_error ret = PIPE_OK; 752 753 /* SVGA_NEW_VS_VARIANT 754 */ 755 if (!variant) 756 return PIPE_OK; 757 758 /* SVGA_NEW_VS_CONST_BUFFER 759 */ 760 if (svga_have_vgpu10(svga)) { 761 ret = emit_consts_vgpu10(svga, PIPE_SHADER_VERTEX); 762 } 763 else { 764 ret = emit_consts_vgpu9(svga, PIPE_SHADER_VERTEX); 765 } 766 767 return ret; 768 } 769 770 771 struct svga_tracked_state svga_hw_vs_constants = 772 { 773 "hw vs params", 774 (SVGA_NEW_PRESCALE | 775 SVGA_NEW_VS_CONST_BUFFER | 776 SVGA_NEW_VS_VARIANT), 777 emit_vs_consts 778 }; 779 780 781 static enum pipe_error 782 emit_gs_consts(struct svga_context *svga, unsigned dirty) 783 { 784 const struct svga_shader_variant *variant = svga->state.hw_draw.gs; 785 enum pipe_error ret = PIPE_OK; 786 787 /* SVGA_NEW_GS_VARIANT 788 */ 789 if (!variant) 790 return PIPE_OK; 791 792 /* SVGA_NEW_GS_CONST_BUFFER 793 */ 794 if (svga_have_vgpu10(svga)) { 795 /** 796 * If only the rasterizer state has changed and the current geometry 797 * shader does not emit wide points, then there is no reason to 798 * re-emit the GS constants, so skip it. 799 */ 800 if (dirty == SVGA_NEW_RAST && !variant->key.gs.wide_point) 801 return PIPE_OK; 802 803 ret = emit_consts_vgpu10(svga, PIPE_SHADER_GEOMETRY); 804 } 805 806 return ret; 807 } 808 809 810 struct svga_tracked_state svga_hw_gs_constants = 811 { 812 "hw gs params", 813 (SVGA_NEW_GS_CONST_BUFFER | 814 SVGA_NEW_RAST | 815 SVGA_NEW_GS_VARIANT), 816 emit_gs_consts 817 }; 818
