u_vbuf.c revision fba685a0995e76f86af5920163297e5c3b32fb4b
1ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch/************************************************************************** 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Copyright 2011 Marek Olšák <maraeo@gmail.com> 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * All Rights Reserved. 546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) * Permission is hereby granted, free of charge, to any person obtaining a 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * copy of this software and associated documentation files (the 8ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch * "Software"), to deal in the Software without restriction, including 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * without limitation the rights to use, copy, modify, merge, publish, 107dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch * distribute, sub license, and/or sell copies of the Software, and to 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * permit persons to whom the Software is furnished to do so, subject to 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * the following conditions: 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * The above copyright notice and this permission notice (including the 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * next paragraph) shall be included in all copies or substantial portions 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * of the Software. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * IN NO EVENT SHALL AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) **************************************************************************/ 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "util/u_vbuf.h" 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "util/u_format.h" 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "util/u_inlines.h" 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "util/u_memory.h" 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "util/u_upload_mgr.h" 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "translate/translate.h" 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "translate/translate_cache.h" 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct u_vbuf_elements { 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned count; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct pipe_vertex_element ve[PIPE_MAX_ATTRIBS]; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned src_format_size[PIPE_MAX_ATTRIBS]; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* If (velem[i].src_format != native_format[i]), the vertex buffer 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * referenced by the vertex element cannot be used for rendering and 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * its vertex data must be translated to native_format[i]. */ 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enum pipe_format native_format[PIPE_MAX_ATTRIBS]; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned native_format_size[PIPE_MAX_ATTRIBS]; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* This might mean two things: 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * - src_format != native_format, as discussed above. 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * - src_offset % 4 != 0 (if the caps don't allow such an offset). */ 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) boolean incompatible_layout; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* Per-element flags. */ 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) boolean incompatible_layout_elem[PIPE_MAX_ATTRIBS]; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct u_vbuf_priv { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct u_vbuf b; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct pipe_context *pipe; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct translate_cache *translate_cache; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* Vertex element state bound by the state tracker. */ 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void *saved_ve; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* and its associated helper structure for this module. */ 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct u_vbuf_elements *ve; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* Vertex elements used for the translate fallback. */ 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct pipe_vertex_element fallback_velems[PIPE_MAX_ATTRIBS]; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* If non-NULL, this is a vertex element state used for the translate 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * fallback and therefore used for rendering too. */ 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void *fallback_ve; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* The vertex buffer slot index where translated vertices have been 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * stored in. */ 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned fallback_vb_slot; 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* When binding the fallback vertex element state, we don't want to 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * change saved_ve and ve. This is set to TRUE in such cases. */ 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) boolean ve_binding_lock; 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* Whether there is any user buffer. */ 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) boolean any_user_vbs; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* Whether there is a buffer with a non-native layout. */ 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) boolean incompatible_vb_layout; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* Per-buffer flags. */ 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) boolean incompatible_vb[PIPE_MAX_ATTRIBS]; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void u_vbuf_init_format_caps(struct u_vbuf_priv *mgr) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct pipe_screen *screen = mgr->pipe->screen; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->b.caps.format_fixed32 = 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) screen->is_format_supported(screen, PIPE_FORMAT_R32_FIXED, PIPE_BUFFER, 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, PIPE_BIND_VERTEX_BUFFER); 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->b.caps.format_float16 = 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) screen->is_format_supported(screen, PIPE_FORMAT_R16_FLOAT, PIPE_BUFFER, 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, PIPE_BIND_VERTEX_BUFFER); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->b.caps.format_float64 = 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) screen->is_format_supported(screen, PIPE_FORMAT_R64_FLOAT, PIPE_BUFFER, 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, PIPE_BIND_VERTEX_BUFFER); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->b.caps.format_norm32 = 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) screen->is_format_supported(screen, PIPE_FORMAT_R32_UNORM, PIPE_BUFFER, 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, PIPE_BIND_VERTEX_BUFFER) && 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) screen->is_format_supported(screen, PIPE_FORMAT_R32_SNORM, PIPE_BUFFER, 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, PIPE_BIND_VERTEX_BUFFER); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->b.caps.format_scaled32 = 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) screen->is_format_supported(screen, PIPE_FORMAT_R32_USCALED, PIPE_BUFFER, 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, PIPE_BIND_VERTEX_BUFFER) && 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) screen->is_format_supported(screen, PIPE_FORMAT_R32_SSCALED, PIPE_BUFFER, 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, PIPE_BIND_VERTEX_BUFFER); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct u_vbuf * 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)u_vbuf_create(struct pipe_context *pipe, 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned upload_buffer_size, 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned upload_buffer_alignment, 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned upload_buffer_bind, 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enum u_fetch_alignment fetch_alignment) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct u_vbuf_priv *mgr = CALLOC_STRUCT(u_vbuf_priv); 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->pipe = pipe; 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->translate_cache = translate_cache_create(); 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->fallback_vb_slot = ~0; 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->b.uploader = u_upload_create(pipe, upload_buffer_size, 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) upload_buffer_alignment, 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) upload_buffer_bind); 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->b.caps.fetch_dword_unaligned = 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fetch_alignment == U_VERTEX_FETCH_BYTE_ALIGNED; 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) u_vbuf_init_format_caps(mgr); 137c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 138c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch return &mgr->b; 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void u_vbuf_destroy(struct u_vbuf *mgrb) 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb; 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned i; 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < mgr->b.nr_vertex_buffers; i++) { 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pipe_resource_reference(&mgr->b.vertex_buffer[i].buffer, NULL); 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < mgr->b.nr_real_vertex_buffers; i++) { 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pipe_resource_reference(&mgr->b.real_vertex_buffer[i].buffer, NULL); 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) translate_cache_destroy(mgr->translate_cache); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) u_upload_destroy(mgr->b.uploader); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FREE(mgr); 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static unsigned u_vbuf_get_free_real_vb_slot(struct u_vbuf_priv *mgr) 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned i, nr = mgr->ve->count; 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) boolean used_vb[PIPE_MAX_ATTRIBS] = {0}; 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < nr; i++) { 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!mgr->ve->incompatible_layout_elem[i]) { 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned index = mgr->ve->ve[i].vertex_buffer_index; 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!mgr->incompatible_vb[index]) { 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) used_vb[index] = TRUE; 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < PIPE_MAX_ATTRIBS; i++) { 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!used_vb[i]) { 1762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (i >= mgr->b.nr_real_vertex_buffers) { 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->b.nr_real_vertex_buffers = i+1; 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return i; 1802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ~0; 1832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)u_vbuf_translate_begin(struct u_vbuf_priv *mgr, 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int min_index, int max_index) 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct translate_key key; 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct translate_element *te; 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned tr_elem_index[PIPE_MAX_ATTRIBS]; 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct translate *tr; 19346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) boolean vb_translated[PIPE_MAX_ATTRIBS] = {0}; 19446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) uint8_t *out_map; 19546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {0}; 19646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) struct pipe_resource *out_buffer = NULL; 19746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) unsigned i, num_verts, out_offset; 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) boolean upload_flushed = FALSE; 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memset(&key, 0, sizeof(key)); 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memset(tr_elem_index, 0xff, sizeof(tr_elem_index)); 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* Get a new vertex buffer slot. */ 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mgr->fallback_vb_slot = u_vbuf_get_free_real_vb_slot(mgr); 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (mgr->fallback_vb_slot == ~0) { 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; /* XXX error, not enough attribs */ 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* Initialize the description of how vertices should be translated. */ 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < mgr->ve->count; i++) { 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enum pipe_format output_format = mgr->ve->native_format[i]; 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned output_format_size = mgr->ve->native_format_size[i]; 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* Check for support. */ 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!mgr->ve->incompatible_layout_elem[i] && 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !mgr->incompatible_vb[mgr->ve->ve[i].vertex_buffer_index]) { 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 22046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 22146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) /* Workaround for translate: output floats instead of halfs. */ 22246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) switch (output_format) { 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case PIPE_FORMAT_R16_FLOAT: 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) output_format = PIPE_FORMAT_R32_FLOAT; 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) output_format_size = 4; 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case PIPE_FORMAT_R16G16_FLOAT: 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) output_format = PIPE_FORMAT_R32G32_FLOAT; 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) output_format_size = 8; 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 231 case PIPE_FORMAT_R16G16B16_FLOAT: 232 output_format = PIPE_FORMAT_R32G32B32_FLOAT; 233 output_format_size = 12; 234 break; 235 case PIPE_FORMAT_R16G16B16A16_FLOAT: 236 output_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 237 output_format_size = 16; 238 break; 239 default:; 240 } 241 242 /* Add this vertex element. */ 243 te = &key.element[key.nr_elements]; 244 te->type = TRANSLATE_ELEMENT_NORMAL; 245 te->instance_divisor = 0; 246 te->input_buffer = mgr->ve->ve[i].vertex_buffer_index; 247 te->input_format = mgr->ve->ve[i].src_format; 248 te->input_offset = mgr->ve->ve[i].src_offset; 249 te->output_format = output_format; 250 te->output_offset = key.output_stride; 251 252 key.output_stride += output_format_size; 253 vb_translated[mgr->ve->ve[i].vertex_buffer_index] = TRUE; 254 tr_elem_index[i] = key.nr_elements; 255 key.nr_elements++; 256 } 257 258 /* Get a translate object. */ 259 tr = translate_cache_find(mgr->translate_cache, &key); 260 261 /* Map buffers we want to translate. */ 262 for (i = 0; i < mgr->b.nr_vertex_buffers; i++) { 263 if (vb_translated[i]) { 264 struct pipe_vertex_buffer *vb = &mgr->b.vertex_buffer[i]; 265 266 uint8_t *map = pipe_buffer_map(mgr->pipe, vb->buffer, 267 PIPE_TRANSFER_READ, &vb_transfer[i]); 268 269 tr->set_buffer(tr, i, 270 map + vb->buffer_offset + vb->stride * min_index, 271 vb->stride, ~0); 272 } 273 } 274 275 /* Create and map the output buffer. */ 276 num_verts = max_index + 1 - min_index; 277 278 u_upload_alloc(mgr->b.uploader, 279 key.output_stride * min_index, 280 key.output_stride * num_verts, 281 &out_offset, &out_buffer, &upload_flushed, 282 (void**)&out_map); 283 284 out_offset -= key.output_stride * min_index; 285 286 /* Translate. */ 287 tr->run(tr, 0, num_verts, 0, out_map); 288 289 /* Unmap all buffers. */ 290 for (i = 0; i < mgr->b.nr_vertex_buffers; i++) { 291 if (vb_translated[i]) { 292 pipe_buffer_unmap(mgr->pipe, vb_transfer[i]); 293 } 294 } 295 296 /* Setup the new vertex buffer. */ 297 mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].buffer_offset = out_offset; 298 mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].stride = key.output_stride; 299 300 /* Move the buffer reference. */ 301 pipe_resource_reference( 302 &mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].buffer, NULL); 303 mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].buffer = out_buffer; 304 out_buffer = NULL; 305 306 /* Setup new vertex elements. */ 307 for (i = 0; i < mgr->ve->count; i++) { 308 if (tr_elem_index[i] < key.nr_elements) { 309 te = &key.element[tr_elem_index[i]]; 310 mgr->fallback_velems[i].instance_divisor = mgr->ve->ve[i].instance_divisor; 311 mgr->fallback_velems[i].src_format = te->output_format; 312 mgr->fallback_velems[i].src_offset = te->output_offset; 313 mgr->fallback_velems[i].vertex_buffer_index = mgr->fallback_vb_slot; 314 } else { 315 memcpy(&mgr->fallback_velems[i], &mgr->ve->ve[i], 316 sizeof(struct pipe_vertex_element)); 317 } 318 } 319 320 321 mgr->fallback_ve = 322 mgr->pipe->create_vertex_elements_state(mgr->pipe, mgr->ve->count, 323 mgr->fallback_velems); 324 325 /* Preserve saved_ve. */ 326 mgr->ve_binding_lock = TRUE; 327 mgr->pipe->bind_vertex_elements_state(mgr->pipe, mgr->fallback_ve); 328 mgr->ve_binding_lock = FALSE; 329} 330 331static void u_vbuf_translate_end(struct u_vbuf_priv *mgr) 332{ 333 if (mgr->fallback_ve == NULL) { 334 return; 335 } 336 337 /* Restore vertex elements. */ 338 /* Note that saved_ve will be overwritten in bind_vertex_elements_state. */ 339 mgr->pipe->bind_vertex_elements_state(mgr->pipe, mgr->saved_ve); 340 mgr->pipe->delete_vertex_elements_state(mgr->pipe, mgr->fallback_ve); 341 mgr->fallback_ve = NULL; 342 343 /* Delete the now-unused VBO. */ 344 pipe_resource_reference(&mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].buffer, 345 NULL); 346 mgr->fallback_vb_slot = ~0; 347 mgr->b.nr_real_vertex_buffers = mgr->b.nr_vertex_buffers; 348} 349 350#define FORMAT_REPLACE(what, withwhat) \ 351 case PIPE_FORMAT_##what: format = PIPE_FORMAT_##withwhat; break 352 353struct u_vbuf_elements * 354u_vbuf_create_vertex_elements(struct u_vbuf *mgrb, 355 unsigned count, 356 const struct pipe_vertex_element *attribs, 357 struct pipe_vertex_element *native_attribs) 358{ 359 struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb; 360 unsigned i; 361 struct u_vbuf_elements *ve = CALLOC_STRUCT(u_vbuf_elements); 362 363 ve->count = count; 364 365 if (!count) { 366 return ve; 367 } 368 369 memcpy(ve->ve, attribs, sizeof(struct pipe_vertex_element) * count); 370 memcpy(native_attribs, attribs, sizeof(struct pipe_vertex_element) * count); 371 372 /* Set the best native format in case the original format is not 373 * supported. */ 374 for (i = 0; i < count; i++) { 375 enum pipe_format format = ve->ve[i].src_format; 376 377 ve->src_format_size[i] = util_format_get_blocksize(format); 378 379 /* Choose a native format. 380 * For now we don't care about the alignment, that's going to 381 * be sorted out later. */ 382 if (!mgr->b.caps.format_fixed32) { 383 switch (format) { 384 FORMAT_REPLACE(R32_FIXED, R32_FLOAT); 385 FORMAT_REPLACE(R32G32_FIXED, R32G32_FLOAT); 386 FORMAT_REPLACE(R32G32B32_FIXED, R32G32B32_FLOAT); 387 FORMAT_REPLACE(R32G32B32A32_FIXED, R32G32B32A32_FLOAT); 388 default:; 389 } 390 } 391 if (!mgr->b.caps.format_float16) { 392 switch (format) { 393 FORMAT_REPLACE(R16_FLOAT, R32_FLOAT); 394 FORMAT_REPLACE(R16G16_FLOAT, R32G32_FLOAT); 395 FORMAT_REPLACE(R16G16B16_FLOAT, R32G32B32_FLOAT); 396 FORMAT_REPLACE(R16G16B16A16_FLOAT, R32G32B32A32_FLOAT); 397 default:; 398 } 399 } 400 if (!mgr->b.caps.format_float64) { 401 switch (format) { 402 FORMAT_REPLACE(R64_FLOAT, R32_FLOAT); 403 FORMAT_REPLACE(R64G64_FLOAT, R32G32_FLOAT); 404 FORMAT_REPLACE(R64G64B64_FLOAT, R32G32B32_FLOAT); 405 FORMAT_REPLACE(R64G64B64A64_FLOAT, R32G32B32A32_FLOAT); 406 default:; 407 } 408 } 409 if (!mgr->b.caps.format_norm32) { 410 switch (format) { 411 FORMAT_REPLACE(R32_UNORM, R32_FLOAT); 412 FORMAT_REPLACE(R32G32_UNORM, R32G32_FLOAT); 413 FORMAT_REPLACE(R32G32B32_UNORM, R32G32B32_FLOAT); 414 FORMAT_REPLACE(R32G32B32A32_UNORM, R32G32B32A32_FLOAT); 415 FORMAT_REPLACE(R32_SNORM, R32_FLOAT); 416 FORMAT_REPLACE(R32G32_SNORM, R32G32_FLOAT); 417 FORMAT_REPLACE(R32G32B32_SNORM, R32G32B32_FLOAT); 418 FORMAT_REPLACE(R32G32B32A32_SNORM, R32G32B32A32_FLOAT); 419 default:; 420 } 421 } 422 if (!mgr->b.caps.format_scaled32) { 423 switch (format) { 424 FORMAT_REPLACE(R32_USCALED, R32_FLOAT); 425 FORMAT_REPLACE(R32G32_USCALED, R32G32_FLOAT); 426 FORMAT_REPLACE(R32G32B32_USCALED, R32G32B32_FLOAT); 427 FORMAT_REPLACE(R32G32B32A32_USCALED,R32G32B32A32_FLOAT); 428 FORMAT_REPLACE(R32_SSCALED, R32_FLOAT); 429 FORMAT_REPLACE(R32G32_SSCALED, R32G32_FLOAT); 430 FORMAT_REPLACE(R32G32B32_SSCALED, R32G32B32_FLOAT); 431 FORMAT_REPLACE(R32G32B32A32_SSCALED,R32G32B32A32_FLOAT); 432 default:; 433 } 434 } 435 436 native_attribs[i].src_format = format; 437 ve->native_format[i] = format; 438 ve->native_format_size[i] = 439 util_format_get_blocksize(ve->native_format[i]); 440 441 ve->incompatible_layout_elem[i] = 442 ve->ve[i].src_format != ve->native_format[i] || 443 (!mgr->b.caps.fetch_dword_unaligned && ve->ve[i].src_offset % 4 != 0); 444 ve->incompatible_layout = 445 ve->incompatible_layout || 446 ve->incompatible_layout_elem[i]; 447 } 448 449 /* Align the formats to the size of DWORD if needed. */ 450 if (!mgr->b.caps.fetch_dword_unaligned) { 451 for (i = 0; i < count; i++) { 452 ve->native_format_size[i] = align(ve->native_format_size[i], 4); 453 } 454 } 455 456 return ve; 457} 458 459void u_vbuf_bind_vertex_elements(struct u_vbuf *mgrb, 460 void *cso, 461 struct u_vbuf_elements *ve) 462{ 463 struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb; 464 465 if (!cso) { 466 return; 467 } 468 469 if (!mgr->ve_binding_lock) { 470 mgr->saved_ve = cso; 471 mgr->ve = ve; 472 } 473} 474 475void u_vbuf_destroy_vertex_elements(struct u_vbuf *mgr, 476 struct u_vbuf_elements *ve) 477{ 478 FREE(ve); 479} 480 481void u_vbuf_set_vertex_buffers(struct u_vbuf *mgrb, 482 unsigned count, 483 const struct pipe_vertex_buffer *bufs) 484{ 485 struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb; 486 unsigned i; 487 488 mgr->any_user_vbs = FALSE; 489 mgr->incompatible_vb_layout = FALSE; 490 memset(mgr->incompatible_vb, 0, sizeof(mgr->incompatible_vb)); 491 492 if (!mgr->b.caps.fetch_dword_unaligned) { 493 /* Check if the strides and offsets are aligned to the size of DWORD. */ 494 for (i = 0; i < count; i++) { 495 if (bufs[i].buffer) { 496 if (bufs[i].stride % 4 != 0 || 497 bufs[i].buffer_offset % 4 != 0) { 498 mgr->incompatible_vb_layout = TRUE; 499 mgr->incompatible_vb[i] = TRUE; 500 } 501 } 502 } 503 } 504 505 for (i = 0; i < count; i++) { 506 const struct pipe_vertex_buffer *vb = &bufs[i]; 507 508 pipe_resource_reference(&mgr->b.vertex_buffer[i].buffer, vb->buffer); 509 510 mgr->b.real_vertex_buffer[i].buffer_offset = 511 mgr->b.vertex_buffer[i].buffer_offset = vb->buffer_offset; 512 513 mgr->b.real_vertex_buffer[i].stride = 514 mgr->b.vertex_buffer[i].stride = vb->stride; 515 516 if (!vb->buffer || 517 mgr->incompatible_vb[i]) { 518 pipe_resource_reference(&mgr->b.real_vertex_buffer[i].buffer, NULL); 519 continue; 520 } 521 522 if (u_vbuf_resource(vb->buffer)->user_ptr) { 523 pipe_resource_reference(&mgr->b.real_vertex_buffer[i].buffer, NULL); 524 mgr->any_user_vbs = TRUE; 525 continue; 526 } 527 528 pipe_resource_reference(&mgr->b.real_vertex_buffer[i].buffer, vb->buffer); 529 } 530 531 for (i = count; i < mgr->b.nr_vertex_buffers; i++) { 532 pipe_resource_reference(&mgr->b.vertex_buffer[i].buffer, NULL); 533 } 534 for (i = count; i < mgr->b.nr_real_vertex_buffers; i++) { 535 pipe_resource_reference(&mgr->b.real_vertex_buffer[i].buffer, NULL); 536 } 537 538 mgr->b.nr_vertex_buffers = count; 539 mgr->b.nr_real_vertex_buffers = count; 540} 541 542void u_vbuf_set_index_buffer(struct u_vbuf *mgr, 543 const struct pipe_index_buffer *ib) 544{ 545 if (ib && ib->buffer) { 546 assert(ib->offset % ib->index_size == 0); 547 pipe_resource_reference(&mgr->index_buffer.buffer, ib->buffer); 548 mgr->index_buffer.offset = ib->offset; 549 mgr->index_buffer.index_size = ib->index_size; 550 } else { 551 pipe_resource_reference(&mgr->index_buffer.buffer, NULL); 552 } 553} 554 555static void 556u_vbuf_upload_buffers(struct u_vbuf_priv *mgr, 557 int min_index, int max_index, 558 unsigned instance_count) 559{ 560 unsigned i; 561 unsigned count = max_index + 1 - min_index; 562 unsigned nr_velems = mgr->ve->count; 563 unsigned nr_vbufs = mgr->b.nr_vertex_buffers; 564 struct pipe_vertex_element *velems = 565 mgr->fallback_ve ? mgr->fallback_velems : mgr->ve->ve; 566 unsigned start_offset[PIPE_MAX_ATTRIBS]; 567 unsigned end_offset[PIPE_MAX_ATTRIBS] = {0}; 568 569 /* Determine how much data needs to be uploaded. */ 570 for (i = 0; i < nr_velems; i++) { 571 struct pipe_vertex_element *velem = &velems[i]; 572 unsigned index = velem->vertex_buffer_index; 573 struct pipe_vertex_buffer *vb = &mgr->b.vertex_buffer[index]; 574 unsigned instance_div, first, size; 575 576 /* Skip the buffer generated by translate. */ 577 if (index == mgr->fallback_vb_slot) { 578 continue; 579 } 580 581 assert(vb->buffer); 582 583 if (!u_vbuf_resource(vb->buffer)->user_ptr) { 584 continue; 585 } 586 587 instance_div = velem->instance_divisor; 588 first = vb->buffer_offset + velem->src_offset; 589 590 if (!vb->stride) { 591 /* Constant attrib. */ 592 size = mgr->ve->src_format_size[i]; 593 } else if (instance_div) { 594 /* Per-instance attrib. */ 595 unsigned count = (instance_count + instance_div - 1) / instance_div; 596 size = vb->stride * (count - 1) + mgr->ve->src_format_size[i]; 597 } else { 598 /* Per-vertex attrib. */ 599 first += vb->stride * min_index; 600 size = vb->stride * (count - 1) + mgr->ve->src_format_size[i]; 601 } 602 603 /* Update offsets. */ 604 if (!end_offset[index]) { 605 start_offset[index] = first; 606 end_offset[index] = first + size; 607 } else { 608 if (first < start_offset[index]) 609 start_offset[index] = first; 610 if (first + size > end_offset[index]) 611 end_offset[index] = first + size; 612 } 613 } 614 615 /* Upload buffers. */ 616 for (i = 0; i < nr_vbufs; i++) { 617 unsigned start, end = end_offset[i]; 618 boolean flushed; 619 struct pipe_vertex_buffer *real_vb; 620 uint8_t *ptr; 621 622 if (!end) { 623 continue; 624 } 625 626 start = start_offset[i]; 627 assert(start < end); 628 629 real_vb = &mgr->b.real_vertex_buffer[i]; 630 ptr = u_vbuf_resource(mgr->b.vertex_buffer[i].buffer)->user_ptr; 631 632 u_upload_data(mgr->b.uploader, start, end - start, ptr + start, 633 &real_vb->buffer_offset, &real_vb->buffer, &flushed); 634 635 real_vb->buffer_offset -= start; 636 } 637} 638 639unsigned u_vbuf_draw_max_vertex_count(struct u_vbuf *mgrb) 640{ 641 struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb; 642 unsigned i, nr = mgr->ve->count; 643 struct pipe_vertex_element *velems = 644 mgr->fallback_ve ? mgr->fallback_velems : mgr->ve->ve; 645 unsigned result = ~0; 646 647 for (i = 0; i < nr; i++) { 648 struct pipe_vertex_buffer *vb = 649 &mgr->b.real_vertex_buffer[velems[i].vertex_buffer_index]; 650 unsigned size, max_count, value; 651 652 /* We're not interested in constant and per-instance attribs. */ 653 if (!vb->buffer || 654 !vb->stride || 655 velems[i].instance_divisor) { 656 continue; 657 } 658 659 size = vb->buffer->width0; 660 661 /* Subtract buffer_offset. */ 662 value = vb->buffer_offset; 663 if (value >= size) { 664 return 0; 665 } 666 size -= value; 667 668 /* Subtract src_offset. */ 669 value = velems[i].src_offset; 670 if (value >= size) { 671 return 0; 672 } 673 size -= value; 674 675 /* Subtract format_size. */ 676 value = mgr->ve->native_format_size[i]; 677 if (value >= size) { 678 return 0; 679 } 680 size -= value; 681 682 /* Compute the max count. */ 683 max_count = 1 + size / vb->stride; 684 result = MIN2(result, max_count); 685 } 686 return result; 687} 688 689static boolean u_vbuf_need_minmax_index(struct u_vbuf_priv *mgr) 690{ 691 unsigned i, nr = mgr->ve->count; 692 693 for (i = 0; i < nr; i++) { 694 struct pipe_vertex_buffer *vb; 695 unsigned index; 696 697 /* Per-instance attribs don't need min/max_index. */ 698 if (mgr->ve->ve[i].instance_divisor) { 699 continue; 700 } 701 702 index = mgr->ve->ve[i].vertex_buffer_index; 703 vb = &mgr->b.vertex_buffer[index]; 704 705 /* Constant attribs don't need min/max_index. */ 706 if (!vb->stride) { 707 continue; 708 } 709 710 /* Per-vertex attribs need min/max_index. */ 711 if (u_vbuf_resource(vb->buffer)->user_ptr || 712 mgr->ve->incompatible_layout_elem[i] || 713 mgr->incompatible_vb[index]) { 714 return TRUE; 715 } 716 } 717 718 return FALSE; 719} 720 721static void u_vbuf_get_minmax_index(struct pipe_context *pipe, 722 struct pipe_index_buffer *ib, 723 const struct pipe_draw_info *info, 724 int *out_min_index, 725 int *out_max_index) 726{ 727 struct pipe_transfer *transfer = NULL; 728 const void *indices; 729 unsigned i; 730 unsigned restart_index = info->restart_index; 731 732 if (u_vbuf_resource(ib->buffer)->user_ptr) { 733 indices = u_vbuf_resource(ib->buffer)->user_ptr + 734 ib->offset + info->start * ib->index_size; 735 } else { 736 indices = pipe_buffer_map_range(pipe, ib->buffer, 737 ib->offset + info->start * ib->index_size, 738 info->count * ib->index_size, 739 PIPE_TRANSFER_READ, &transfer); 740 } 741 742 switch (ib->index_size) { 743 case 4: { 744 const unsigned *ui_indices = (const unsigned*)indices; 745 unsigned max_ui = 0; 746 unsigned min_ui = ~0U; 747 if (info->primitive_restart) { 748 for (i = 0; i < info->count; i++) { 749 if (ui_indices[i] != restart_index) { 750 if (ui_indices[i] > max_ui) max_ui = ui_indices[i]; 751 if (ui_indices[i] < min_ui) min_ui = ui_indices[i]; 752 } 753 } 754 } 755 else { 756 for (i = 0; i < info->count; i++) { 757 if (ui_indices[i] > max_ui) max_ui = ui_indices[i]; 758 if (ui_indices[i] < min_ui) min_ui = ui_indices[i]; 759 } 760 } 761 *out_min_index = min_ui; 762 *out_max_index = max_ui; 763 break; 764 } 765 case 2: { 766 const unsigned short *us_indices = (const unsigned short*)indices; 767 unsigned max_us = 0; 768 unsigned min_us = ~0U; 769 if (info->primitive_restart) { 770 for (i = 0; i < info->count; i++) { 771 if (us_indices[i] != restart_index) { 772 if (us_indices[i] > max_us) max_us = us_indices[i]; 773 if (us_indices[i] < min_us) min_us = us_indices[i]; 774 } 775 } 776 } 777 else { 778 for (i = 0; i < info->count; i++) { 779 if (us_indices[i] > max_us) max_us = us_indices[i]; 780 if (us_indices[i] < min_us) min_us = us_indices[i]; 781 } 782 } 783 *out_min_index = min_us; 784 *out_max_index = max_us; 785 break; 786 } 787 case 1: { 788 const unsigned char *ub_indices = (const unsigned char*)indices; 789 unsigned max_ub = 0; 790 unsigned min_ub = ~0U; 791 if (info->primitive_restart) { 792 for (i = 0; i < info->count; i++) { 793 if (ub_indices[i] != restart_index) { 794 if (ub_indices[i] > max_ub) max_ub = ub_indices[i]; 795 if (ub_indices[i] < min_ub) min_ub = ub_indices[i]; 796 } 797 } 798 } 799 else { 800 for (i = 0; i < info->count; i++) { 801 if (ub_indices[i] > max_ub) max_ub = ub_indices[i]; 802 if (ub_indices[i] < min_ub) min_ub = ub_indices[i]; 803 } 804 } 805 *out_min_index = min_ub; 806 *out_max_index = max_ub; 807 break; 808 } 809 default: 810 assert(0); 811 } 812 813 if (transfer) { 814 pipe_buffer_unmap(pipe, transfer); 815 } 816} 817 818enum u_vbuf_return_flags 819u_vbuf_draw_begin(struct u_vbuf *mgrb, 820 const struct pipe_draw_info *info) 821{ 822 struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb; 823 int min_index, max_index; 824 825 if (!mgr->incompatible_vb_layout && 826 !mgr->ve->incompatible_layout && 827 !mgr->any_user_vbs) { 828 return 0; 829 } 830 831 if (info->indexed) { 832 if (info->max_index != ~0) { 833 min_index = info->min_index + info->index_bias; 834 max_index = info->max_index + info->index_bias; 835 } else if (u_vbuf_need_minmax_index(mgr)) { 836 u_vbuf_get_minmax_index(mgr->pipe, &mgr->b.index_buffer, info, 837 &min_index, &max_index); 838 min_index += info->index_bias; 839 max_index += info->index_bias; 840 } else { 841 min_index = 0; 842 max_index = 0; 843 } 844 } else { 845 min_index = info->start; 846 max_index = info->start + info->count - 1; 847 } 848 849 /* Translate vertices with non-native layouts or formats. */ 850 if (mgr->incompatible_vb_layout || mgr->ve->incompatible_layout) { 851 u_vbuf_translate_begin(mgr, min_index, max_index); 852 } 853 854 /* Upload user buffers. */ 855 if (mgr->any_user_vbs) { 856 u_vbuf_upload_buffers(mgr, min_index, max_index, info->instance_count); 857 } 858 return U_VBUF_BUFFERS_UPDATED; 859} 860 861void u_vbuf_draw_end(struct u_vbuf *mgrb) 862{ 863 struct u_vbuf_priv *mgr = (struct u_vbuf_priv*)mgrb; 864 865 if (mgr->fallback_ve) { 866 u_vbuf_translate_end(mgr); 867 } 868} 869