t_draw.c revision 699cfaeb3cde2a329b2d79ae09c7783ed4edacfe
1c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell/* 2c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * Mesa 3-D graphics library 3f8ee72d98f2d23e034e90870ff6a760659a462a5Brian * Version: 7.1 4c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * 5f8ee72d98f2d23e034e90870ff6a760659a462a5Brian * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. 6c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * 7c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * Permission is hereby granted, free of charge, to any person obtaining a 8c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * copy of this software and associated documentation files (the "Software"), 9c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * to deal in the Software without restriction, including without limitation 10c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * and/or sell copies of the Software, and to permit persons to whom the 12c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * Software is furnished to do so, subject to the following conditions: 13c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * 14c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * The above copyright notice and this permission notice shall be included 15c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * in all copies or substantial portions of the Software. 16c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * 17c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 21c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * 24c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * Authors: 25c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * Keith Whitwell <keith@tungstengraphics.com> 26c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 27c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 28bbd287103dad776d8a45c87c4e51fbc26d9b80d5Brian Paul#include "main/glheader.h" 29699cfaeb3cde2a329b2d79ae09c7783ed4edacfeBrian Paul#include "main/condrender.h" 30bbd287103dad776d8a45c87c4e51fbc26d9b80d5Brian Paul#include "main/context.h" 31bbd287103dad776d8a45c87c4e51fbc26d9b80d5Brian Paul#include "main/imports.h" 32bbd287103dad776d8a45c87c4e51fbc26d9b80d5Brian Paul#include "main/state.h" 33bbd287103dad776d8a45c87c4e51fbc26d9b80d5Brian Paul#include "main/mtypes.h" 34bbd287103dad776d8a45c87c4e51fbc26d9b80d5Brian Paul#include "main/macros.h" 35bbd287103dad776d8a45c87c4e51fbc26d9b80d5Brian Paul#include "main/enums.h" 36c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 37c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell#include "t_context.h" 38c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell#include "t_pipeline.h" 39c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell#include "t_vp_build.h" 40c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell#include "t_vertex.h" 41c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell#include "tnl.h" 42c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 43c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 44c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 45188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwellstatic GLubyte *get_space(GLcontext *ctx, GLuint bytes) 46c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 47c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 48c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLubyte *space = _mesa_malloc(bytes); 49c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 50c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell tnl->block[tnl->nr_blocks++] = space; 51188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell return space; 52c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 53c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 54c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 55c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwellstatic void free_space(GLcontext *ctx) 56c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 57c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 58c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint i; 59c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell for (i = 0; i < tnl->nr_blocks; i++) 60c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell _mesa_free(tnl->block[i]); 61c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell tnl->nr_blocks = 0; 62c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 63c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 64c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 659827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell/* Convert the incoming array to GLfloats. Understands the 669827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell * array->Normalized flag and selects the correct conversion method. 679827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell */ 689827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell#define CONVERT( TYPE, MACRO ) do { \ 699827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell GLuint i, j; \ 709827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell if (input->Normalized) { \ 719827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell for (i = 0; i < count; i++) { \ 729827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell const TYPE *in = (TYPE *)ptr; \ 739827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell for (j = 0; j < sz; j++) { \ 749827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell *fptr++ = MACRO(*in); \ 759827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell in++; \ 769827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } \ 779827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell ptr += input->StrideB; \ 789827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } \ 799827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } else { \ 809827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell for (i = 0; i < count; i++) { \ 819827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell const TYPE *in = (TYPE *)ptr; \ 829827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell for (j = 0; j < sz; j++) { \ 839827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell *fptr++ = (GLfloat)(*in); \ 849827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell in++; \ 859827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } \ 869827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell ptr += input->StrideB; \ 879827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } \ 889827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } \ 899827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell} while (0) 909827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 919827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 920791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul/** 930791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul * Convert array of BGRA/GLubyte[4] values to RGBA/float[4] 940791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul * \param ptr input/ubyte array 950791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul * \param fptr output/float array 960791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul */ 970791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paulstatic void 980791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paulconvert_bgra_to_float(const struct gl_client_array *input, 990791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul const GLubyte *ptr, GLfloat *fptr, 1000791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul GLuint count ) 1010791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul{ 1020791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul GLuint i; 1030791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul assert(input->Normalized); 1040791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul assert(input->Size == 4); 1050791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul for (i = 0; i < count; i++) { 1060791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul const GLubyte *in = (GLubyte *) ptr; /* in is in BGRA order */ 1070791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul *fptr++ = UBYTE_TO_FLOAT(in[2]); /* red */ 1080791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul *fptr++ = UBYTE_TO_FLOAT(in[1]); /* green */ 1090791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul *fptr++ = UBYTE_TO_FLOAT(in[0]); /* blue */ 1100791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul *fptr++ = UBYTE_TO_FLOAT(in[3]); /* alpha */ 1110791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul ptr += input->StrideB; 1120791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul } 1130791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul} 1140791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul 1159827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 116c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell/* Adjust pointer to point at first requested element, convert to 117c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * floating point, populate VB->AttribPtr[]. 118c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 119c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwellstatic void _tnl_import_array( GLcontext *ctx, 120c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint attrib, 121893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint count, 122c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const struct gl_client_array *input, 123188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell const GLubyte *ptr ) 124c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 125c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 126c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell struct vertex_buffer *VB = &tnl->vb; 127c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint stride = input->StrideB; 128c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 129c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell if (input->Type != GL_FLOAT) { 130c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const GLuint sz = input->Size; 131188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell GLubyte *buf = get_space(ctx, count * sz * sizeof(GLfloat)); 1327e9c3684ef45e0df8426317f28c883d16f27c031Keith Whitwell GLfloat *fptr = (GLfloat *)buf; 133c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 134c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell switch (input->Type) { 135c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_BYTE: 136c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLbyte, BYTE_TO_FLOAT); 137c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 138c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_UNSIGNED_BYTE: 1390791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul if (input->Format == GL_BGRA) { 1400791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul /* See GL_EXT_vertex_array_bgra */ 1410791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul convert_bgra_to_float(input, ptr, fptr, count); 1420791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul } 1430791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul else { 1440791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul CONVERT(GLubyte, UBYTE_TO_FLOAT); 1450791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul } 146c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 147c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_SHORT: 148c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLshort, SHORT_TO_FLOAT); 149c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 150c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_UNSIGNED_SHORT: 151c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLushort, USHORT_TO_FLOAT); 152c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 153c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_INT: 154c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLint, INT_TO_FLOAT); 155c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 156c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_UNSIGNED_INT: 157c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLuint, UINT_TO_FLOAT); 158c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 159c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_DOUBLE: 160c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLdouble, (GLfloat)); 161c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 162c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell default: 163c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell assert(0); 164c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 165c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 166c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 1677e9c3684ef45e0df8426317f28c883d16f27c031Keith Whitwell ptr = buf; 168c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell stride = sz * sizeof(GLfloat); 169c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 170c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 171c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib] = &tnl->tmp_inputs[attrib]; 172c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->data = (GLfloat (*)[4])ptr; 173c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->start = (GLfloat *)ptr; 174c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->count = count; 175c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->stride = stride; 176c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->size = input->Size; 177c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 178c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell /* This should die, but so should the whole GLvector4f concept: 179c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 180c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->flags = (((1<<input->Size)-1) | 181c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VEC_NOT_WRITEABLE | 182c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell (stride == 4*sizeof(GLfloat) ? 0 : VEC_BAD_STRIDE)); 183c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 184c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->storage = NULL; 185c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 186c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 1879827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell#define CLIPVERTS ((6 + MAX_CLIP_PLANES) * 2) 1889827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 1899827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 1909827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwellstatic GLboolean *_tnl_import_edgeflag( GLcontext *ctx, 1919827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell const GLvector4f *input, 1929827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell GLuint count) 1939827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell{ 1949827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell const GLubyte *ptr = (const GLubyte *)input->data; 1959827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell const GLuint stride = input->stride; 1969827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell GLboolean *space = (GLboolean *)get_space(ctx, count + CLIPVERTS); 1979827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell GLboolean *bptr = space; 1989827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell GLuint i; 1999827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 2009827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell for (i = 0; i < count; i++) { 2019827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell *bptr++ = ((GLfloat *)ptr)[0] == 1.0; 2029827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell ptr += stride; 2039827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } 2049827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 2059827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell return space; 2069827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell} 2079827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 208c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 209c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwellstatic void bind_inputs( GLcontext *ctx, 210c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const struct gl_client_array *inputs[], 211893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLint count, 212c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell struct gl_buffer_object **bo, 213c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint *nr_bo ) 214c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 215c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 216c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell struct vertex_buffer *VB = &tnl->vb; 217c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint i; 218c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 219c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell /* Map all the VBOs 220c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 221c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell for (i = 0; i < VERT_ATTRIB_MAX; i++) { 222c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const void *ptr; 223c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 224c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell if (inputs[i]->BufferObj->Name) { 225c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell if (!inputs[i]->BufferObj->Pointer) { 226c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell bo[*nr_bo] = inputs[i]->BufferObj; 2277e9c3684ef45e0df8426317f28c883d16f27c031Keith Whitwell (*nr_bo)++; 228c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell ctx->Driver.MapBuffer(ctx, 229c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GL_ARRAY_BUFFER, 230c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GL_READ_ONLY_ARB, 231c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell inputs[i]->BufferObj); 232c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 233c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell assert(inputs[i]->BufferObj->Pointer); 234c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 235c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 236c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell ptr = ADD_POINTERS(inputs[i]->BufferObj->Pointer, 237c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell inputs[i]->Ptr); 238c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 239c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell else 240c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell ptr = inputs[i]->Ptr; 241c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 242c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell /* Just make sure the array is floating point, otherwise convert to 243893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * temporary storage. 244c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * 245c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * XXX: remove the GLvector4f type at some stage and just use 246c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * client arrays. 247c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 248893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell _tnl_import_array(ctx, i, count, inputs[i], ptr); 249c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 250c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 2515464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell /* We process only the vertices between min & max index: 2525464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell */ 253893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell VB->Count = count; 2545464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 25537c79d4d765b10a79e0cf217cc1e70d3fbb7a0c5Eric Anholt /* These should perhaps be part of _TNL_ATTRIB_* */ 2560a9187801505130738ae947c69cafa8a1dd118d1Eric Anholt VB->BackfaceColorPtr = NULL; 257fc9a2970dc539b21b035ea0a770ec69822962145Eric Anholt VB->BackfaceIndexPtr = NULL; 2580a9187801505130738ae947c69cafa8a1dd118d1Eric Anholt VB->BackfaceSecondaryColorPtr = NULL; 259c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 2609827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell /* Clipping and drawing code still requires this to be a packed 2619827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell * array of ubytes which can be written into. TODO: Fix and 2629827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell * remove. 263c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 264c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell if (ctx->Polygon.FrontMode != GL_FILL || 265c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell ctx->Polygon.BackMode != GL_FILL) 266c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell { 2679827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell VB->EdgeFlag = _tnl_import_edgeflag( ctx, 2689827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell VB->AttribPtr[_TNL_ATTRIB_EDGEFLAG], 2699827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell VB->Count ); 270c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 271d2d86a3f0b38716196ea2b3ffa4cbbd0420de1b3Brian else { 272d2d86a3f0b38716196ea2b3ffa4cbbd0420de1b3Brian /* the data previously pointed to by EdgeFlag may have been freed */ 273d2d86a3f0b38716196ea2b3ffa4cbbd0420de1b3Brian VB->EdgeFlag = NULL; 274d2d86a3f0b38716196ea2b3ffa4cbbd0420de1b3Brian } 275c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 276c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 277c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 278c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell/* Translate indices to GLuints and store in VB->Elts. 279c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 2805464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwellstatic void bind_indices( GLcontext *ctx, 2815464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell const struct _mesa_index_buffer *ib, 2825464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell struct gl_buffer_object **bo, 2835464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell GLuint *nr_bo) 284c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 285c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 286c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell struct vertex_buffer *VB = &tnl->vb; 287188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell GLuint i; 288188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell void *ptr; 289c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 290893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (!ib) { 291893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell VB->Elts = NULL; 292c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell return; 293893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell } 294c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 295c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell if (ib->obj->Name && !ib->obj->Pointer) { 296c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell bo[*nr_bo] = ib->obj; 2977e9c3684ef45e0df8426317f28c883d16f27c031Keith Whitwell (*nr_bo)++; 298c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell ctx->Driver.MapBuffer(ctx, 299c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GL_ELEMENT_ARRAY_BUFFER, 300c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GL_READ_ONLY_ARB, 301c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell ib->obj); 302c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 303c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell assert(ib->obj->Pointer); 304c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 305c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 306188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell ptr = ADD_POINTERS(ib->obj->Pointer, ib->ptr); 307c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 30892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt if (ib->type == GL_UNSIGNED_INT && VB->Primitive[0].basevertex == 0) { 309188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell VB->Elts = (GLuint *) ptr; 310188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell } 311188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell else { 312188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell GLuint *elts = (GLuint *)get_space(ctx, ib->count * sizeof(GLuint)); 313188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell VB->Elts = elts; 314188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell 31592d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt if (ib->type == GL_UNSIGNED_INT) { 31692d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt const GLuint *in = (GLuint *)ptr; 31792d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt for (i = 0; i < ib->count; i++) 31892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt *elts++ = (GLuint)(*in++) + VB->Primitive[0].basevertex; 31992d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt } 32092d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt else if (ib->type == GL_UNSIGNED_SHORT) { 321893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell const GLushort *in = (GLushort *)ptr; 322188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell for (i = 0; i < ib->count; i++) 32392d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt *elts++ = (GLuint)(*in++) + VB->Primitive[0].basevertex; 324188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell } 325893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell else { 326893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell const GLubyte *in = (GLubyte *)ptr; 327188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell for (i = 0; i < ib->count; i++) 32892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt *elts++ = (GLuint)(*in++) + VB->Primitive[0].basevertex; 329188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell } 330c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 331c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 332c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 3335464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwellstatic void bind_prims( GLcontext *ctx, 3345464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell const struct _mesa_prim *prim, 335893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint nr_prims ) 3365464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell{ 3375464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 3385464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell struct vertex_buffer *VB = &tnl->vb; 3395464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 340893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell VB->Primitive = prim; 3415464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell VB->PrimitiveCount = nr_prims; 3425464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell} 3435464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 344c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwellstatic void unmap_vbos( GLcontext *ctx, 345c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell struct gl_buffer_object **bo, 346c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint nr_bo ) 347c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 348c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint i; 349c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell for (i = 0; i < nr_bo; i++) { 350c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell ctx->Driver.UnmapBuffer(ctx, 351c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 0, /* target -- I don't see why this would be needed */ 352c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell bo[i]); 353c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 354c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 355c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 356c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 3572708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholtvoid _tnl_vbo_draw_prims(GLcontext *ctx, 3582708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt const struct gl_client_array *arrays[], 3592708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt const struct _mesa_prim *prim, 3602708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt GLuint nr_prims, 3612708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt const struct _mesa_index_buffer *ib, 3622708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt GLboolean index_bounds_valid, 3632708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt GLuint min_index, 3642708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt GLuint max_index) 3652708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt{ 3662708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt if (!index_bounds_valid) 3672708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt vbo_get_minmax_index(ctx, prim, ib, &min_index, &max_index); 3682708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt 3692708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index); 3702708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt} 371c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 372c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell/* This is the main entrypoint into the slimmed-down software tnl 373c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * module. In a regular swtnl driver, this can be plugged straight 374c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * into the vbo->Driver.DrawPrims() callback. 375c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 376c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwellvoid _tnl_draw_prims( GLcontext *ctx, 377c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const struct gl_client_array *arrays[], 378c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const struct _mesa_prim *prim, 379c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint nr_prims, 380c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const struct _mesa_index_buffer *ib, 381c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint min_index, 382c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint max_index) 383c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 384c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 385893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell const GLuint TEST_SPLIT = 0; 386893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell const GLint max = TEST_SPLIT ? 8 : tnl->vb.Size - MAX_CLIPPED_VERTICES; 38792d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt GLuint max_basevertex = prim->basevertex; 38892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt GLuint i; 38992d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt 390699cfaeb3cde2a329b2d79ae09c7783ed4edacfeBrian Paul if (!_mesa_check_conditional_render(ctx)) 391699cfaeb3cde2a329b2d79ae09c7783ed4edacfeBrian Paul return; /* don't draw */ 392699cfaeb3cde2a329b2d79ae09c7783ed4edacfeBrian Paul 39392d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt for (i = 1; i < nr_prims; i++) 39492d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt max_basevertex = MAX2(max_basevertex, prim[i].basevertex); 3955464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 396893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (0) 39782152a2a8e1afeb61710318e769b1379be6c02c6keithw { 39882152a2a8e1afeb61710318e769b1379be6c02c6keithw _mesa_printf("%s %d..%d\n", __FUNCTION__, min_index, max_index); 39982152a2a8e1afeb61710318e769b1379be6c02c6keithw for (i = 0; i < nr_prims; i++) 40082152a2a8e1afeb61710318e769b1379be6c02c6keithw _mesa_printf("prim %d: %s start %d count %d\n", i, 40182152a2a8e1afeb61710318e769b1379be6c02c6keithw _mesa_lookup_enum_by_nr(prim[i].mode), 40282152a2a8e1afeb61710318e769b1379be6c02c6keithw prim[i].start, 40382152a2a8e1afeb61710318e769b1379be6c02c6keithw prim[i].count); 40482152a2a8e1afeb61710318e769b1379be6c02c6keithw } 4055464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 406893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (min_index) { 407893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell /* We always translate away calls with min_index != 0. 408893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell */ 409893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell vbo_rebase_prims( ctx, arrays, prim, nr_prims, ib, 410893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell min_index, max_index, 4112708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt _tnl_vbo_draw_prims ); 412893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell return; 413893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell } 41492d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt else if (max_index + max_basevertex > max) { 415893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell /* The software TNL pipeline has a fixed amount of storage for 416893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * vertices and it is necessary to split incoming drawing commands 417893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * if they exceed that limit. 418893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell */ 4195464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell struct split_limits limits; 420893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell limits.max_verts = max; 4215464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell limits.max_vb_size = ~0; 4225464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell limits.max_indices = ~0; 4235464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 4245464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell /* This will split the buffers one way or another and 4255464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell * recursively call back into this function. 4265464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell */ 4275464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell vbo_split_prims( ctx, arrays, prim, nr_prims, ib, 42892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt 0, max_index + prim->basevertex, 4292708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt _tnl_vbo_draw_prims, 4305464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell &limits ); 4315464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell } 4325464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell else { 4335464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell /* May need to map a vertex buffer object for every attribute plus 4345464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell * one for the index buffer. 4355464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell */ 4365464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell struct gl_buffer_object *bo[VERT_ATTRIB_MAX + 1]; 4375464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell GLuint nr_bo = 0; 438c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 43992d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt for (i = 0; i < nr_prims;) { 44092d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt GLuint this_nr_prims; 44192d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt 44292d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt /* Our SW TNL pipeline doesn't handle basevertex yet, so bind_indices 44392d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt * will rebase the elements to the basevertex, and we'll only 44492d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt * emit strings of prims with the same basevertex in one draw call. 44592d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt */ 44692d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt for (this_nr_prims = 1; i + this_nr_prims < nr_prims; 44792d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt this_nr_prims++) { 44892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt if (prim[i].basevertex != prim[i + this_nr_prims].basevertex) 44992d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt break; 45092d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt } 45192d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt 45292d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt /* Binding inputs may imply mapping some vertex buffer objects. 45392d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt * They will need to be unmapped below. 45492d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt */ 45592d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt bind_prims(ctx, &prim[i], this_nr_prims); 45692d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt bind_inputs(ctx, arrays, max_index + prim[i].basevertex + 1, 45792d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt bo, &nr_bo); 45892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt bind_indices(ctx, ib, bo, &nr_bo); 459c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 46092d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt TNL_CONTEXT(ctx)->Driver.RunPipeline(ctx); 461c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 46292d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt unmap_vbos(ctx, bo, nr_bo); 46392d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt free_space(ctx); 46492d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt 46592d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt i += this_nr_prims; 46692d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt } 4675464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell } 468c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 469c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 470