t_draw.c revision 28249bd260f4c52badf3eb61ade2744604b21bca
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/mtypes.h" 33bbd287103dad776d8a45c87c4e51fbc26d9b80d5Brian Paul#include "main/macros.h" 34bbd287103dad776d8a45c87c4e51fbc26d9b80d5Brian Paul#include "main/enums.h" 35c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 36c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell#include "t_context.h" 37c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell#include "tnl.h" 38c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 39c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 40c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 41f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergstatic GLubyte *get_space(struct gl_context *ctx, GLuint bytes) 42c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 43c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 4432f2fd1c5d6088692551c80352b7d6fa35b0cd09Kristian Høgsberg GLubyte *space = malloc(bytes); 45c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 46c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell tnl->block[tnl->nr_blocks++] = space; 47188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell return space; 48c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 49c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 50c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 51f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergstatic void free_space(struct gl_context *ctx) 52c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 53c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 54c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint i; 55c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell for (i = 0; i < tnl->nr_blocks; i++) 5632f2fd1c5d6088692551c80352b7d6fa35b0cd09Kristian Høgsberg free(tnl->block[i]); 57c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell tnl->nr_blocks = 0; 58c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 59c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 60c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 619827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell/* Convert the incoming array to GLfloats. Understands the 629827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell * array->Normalized flag and selects the correct conversion method. 639827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell */ 649827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell#define CONVERT( TYPE, MACRO ) do { \ 659827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell GLuint i, j; \ 669827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell if (input->Normalized) { \ 679827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell for (i = 0; i < count; i++) { \ 689827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell const TYPE *in = (TYPE *)ptr; \ 699827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell for (j = 0; j < sz; j++) { \ 709827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell *fptr++ = MACRO(*in); \ 719827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell in++; \ 729827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } \ 739827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell ptr += input->StrideB; \ 749827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } \ 759827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } else { \ 769827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell for (i = 0; i < count; i++) { \ 779827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell const TYPE *in = (TYPE *)ptr; \ 789827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell for (j = 0; j < sz; j++) { \ 799827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell *fptr++ = (GLfloat)(*in); \ 809827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell in++; \ 819827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } \ 829827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell ptr += input->StrideB; \ 839827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } \ 849827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } \ 859827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell} while (0) 869827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 879827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 880791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul/** 890791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul * Convert array of BGRA/GLubyte[4] values to RGBA/float[4] 900791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul * \param ptr input/ubyte array 910791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul * \param fptr output/float array 920791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul */ 930791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paulstatic void 940791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paulconvert_bgra_to_float(const struct gl_client_array *input, 950791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul const GLubyte *ptr, GLfloat *fptr, 960791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul GLuint count ) 970791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul{ 980791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul GLuint i; 990791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul assert(input->Normalized); 1000791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul assert(input->Size == 4); 1010791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul for (i = 0; i < count; i++) { 1020791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul const GLubyte *in = (GLubyte *) ptr; /* in is in BGRA order */ 1030791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul *fptr++ = UBYTE_TO_FLOAT(in[2]); /* red */ 1040791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul *fptr++ = UBYTE_TO_FLOAT(in[1]); /* green */ 1050791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul *fptr++ = UBYTE_TO_FLOAT(in[0]); /* blue */ 1060791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul *fptr++ = UBYTE_TO_FLOAT(in[3]); /* alpha */ 1070791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul ptr += input->StrideB; 1080791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul } 1090791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul} 1100791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul 111cfe884e2030466df673881da8e830c300dda40dbDave Airliestatic void 112cfe884e2030466df673881da8e830c300dda40dbDave Airlieconvert_half_to_float(const struct gl_client_array *input, 113cfe884e2030466df673881da8e830c300dda40dbDave Airlie const GLubyte *ptr, GLfloat *fptr, 114cfe884e2030466df673881da8e830c300dda40dbDave Airlie GLuint count, GLuint sz) 115cfe884e2030466df673881da8e830c300dda40dbDave Airlie{ 116cfe884e2030466df673881da8e830c300dda40dbDave Airlie GLuint i, j; 117cfe884e2030466df673881da8e830c300dda40dbDave Airlie 118cfe884e2030466df673881da8e830c300dda40dbDave Airlie for (i = 0; i < count; i++) { 119cfe884e2030466df673881da8e830c300dda40dbDave Airlie GLhalfARB *in = (GLhalfARB *)ptr; 120cfe884e2030466df673881da8e830c300dda40dbDave Airlie 121cfe884e2030466df673881da8e830c300dda40dbDave Airlie for (j = 0; j < sz; j++) { 122cfe884e2030466df673881da8e830c300dda40dbDave Airlie *fptr++ = _mesa_half_to_float(in[j]); 123cfe884e2030466df673881da8e830c300dda40dbDave Airlie } 124cfe884e2030466df673881da8e830c300dda40dbDave Airlie ptr += input->StrideB; 125cfe884e2030466df673881da8e830c300dda40dbDave Airlie } 126cfe884e2030466df673881da8e830c300dda40dbDave Airlie} 1279827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 128a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace/** 129a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace * \brief Convert fixed-point to floating-point. 130a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace * 131a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace * In OpenGL, a fixed-point number is a "signed 2's complement 16.16 scaled 132a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace * integer" (Table 2.2 of the OpenGL ES 2.0 spec). 133a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace * 134a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace * If the buffer has the \c normalized flag set, the formula 135a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace * \code normalize(x) := (2*x + 1) / (2^16 - 1) \endcode 136a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace * is used to map the fixed-point numbers into the range [-1, 1]. 137a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace */ 138a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versacestatic void 139a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versaceconvert_fixed_to_float(const struct gl_client_array *input, 140a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace const GLubyte *ptr, GLfloat *fptr, 141a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace GLuint count) 142a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace{ 143a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace GLuint i, j; 144a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace const GLint size = input->Size; 145a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace 146a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace if (input->Normalized) { 147a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace for (i = 0; i < count; ++i) { 148a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace const GLfixed *in = (GLfixed *) ptr; 149a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace for (j = 0; j < size; ++j) { 150a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace *fptr++ = (GLfloat) (2 * in[j] + 1) / (GLfloat) ((1 << 16) - 1); 151a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace } 152a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace ptr += input->StrideB; 153a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace } 154a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace } else { 155a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace for (i = 0; i < count; ++i) { 156a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace const GLfixed *in = (GLfixed *) ptr; 157a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace for (j = 0; j < size; ++j) { 158a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace *fptr++ = in[j] / (GLfloat) (1 << 16); 159a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace } 160a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace ptr += input->StrideB; 161a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace } 162a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace } 163a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace} 164a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace 165c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell/* Adjust pointer to point at first requested element, convert to 166c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * floating point, populate VB->AttribPtr[]. 167c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 168f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergstatic void _tnl_import_array( struct gl_context *ctx, 169c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint attrib, 170893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint count, 171c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const struct gl_client_array *input, 172188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell const GLubyte *ptr ) 173c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 174c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 175c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell struct vertex_buffer *VB = &tnl->vb; 176c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint stride = input->StrideB; 177c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 178c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell if (input->Type != GL_FLOAT) { 179c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const GLuint sz = input->Size; 180188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell GLubyte *buf = get_space(ctx, count * sz * sizeof(GLfloat)); 1817e9c3684ef45e0df8426317f28c883d16f27c031Keith Whitwell GLfloat *fptr = (GLfloat *)buf; 182c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 183c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell switch (input->Type) { 184c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_BYTE: 185c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLbyte, BYTE_TO_FLOAT); 186c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 187c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_UNSIGNED_BYTE: 1880791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul if (input->Format == GL_BGRA) { 1890791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul /* See GL_EXT_vertex_array_bgra */ 1900791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul convert_bgra_to_float(input, ptr, fptr, count); 1910791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul } 1920791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul else { 1930791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul CONVERT(GLubyte, UBYTE_TO_FLOAT); 1940791fdff6fe87cf9a29ddf4a716f1881c367c7deBrian Paul } 195c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 196c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_SHORT: 197c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLshort, SHORT_TO_FLOAT); 198c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 199c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_UNSIGNED_SHORT: 200c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLushort, USHORT_TO_FLOAT); 201c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 202c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_INT: 203c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLint, INT_TO_FLOAT); 204c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 205c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_UNSIGNED_INT: 206c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLuint, UINT_TO_FLOAT); 207c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 208c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell case GL_DOUBLE: 209c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell CONVERT(GLdouble, (GLfloat)); 210c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 211cfe884e2030466df673881da8e830c300dda40dbDave Airlie case GL_HALF_FLOAT: 212cfe884e2030466df673881da8e830c300dda40dbDave Airlie convert_half_to_float(input, ptr, fptr, count, sz); 213cfe884e2030466df673881da8e830c300dda40dbDave Airlie break; 214a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace case GL_FIXED: 215a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace convert_fixed_to_float(input, ptr, fptr, count); 216a231ac23f41a38cf9bde80bab4cb6aa8821d4895Chad Versace break; 217c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell default: 218c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell assert(0); 219c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell break; 220c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 221c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 2227e9c3684ef45e0df8426317f28c883d16f27c031Keith Whitwell ptr = buf; 223c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell stride = sz * sizeof(GLfloat); 224c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 225c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 226c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib] = &tnl->tmp_inputs[attrib]; 227c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->data = (GLfloat (*)[4])ptr; 228c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->start = (GLfloat *)ptr; 229c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->count = count; 230c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->stride = stride; 231c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->size = input->Size; 232c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 233c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell /* This should die, but so should the whole GLvector4f concept: 234c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 235c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->flags = (((1<<input->Size)-1) | 236c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VEC_NOT_WRITEABLE | 237c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell (stride == 4*sizeof(GLfloat) ? 0 : VEC_BAD_STRIDE)); 238c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 239c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell VB->AttribPtr[attrib]->storage = NULL; 240c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 241c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 2429827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell#define CLIPVERTS ((6 + MAX_CLIP_PLANES) * 2) 2439827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 2449827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 245f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergstatic GLboolean *_tnl_import_edgeflag( struct gl_context *ctx, 2469827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell const GLvector4f *input, 2479827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell GLuint count) 2489827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell{ 2499827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell const GLubyte *ptr = (const GLubyte *)input->data; 2509827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell const GLuint stride = input->stride; 2519827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell GLboolean *space = (GLboolean *)get_space(ctx, count + CLIPVERTS); 2529827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell GLboolean *bptr = space; 2539827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell GLuint i; 2549827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 2559827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell for (i = 0; i < count; i++) { 2569827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell *bptr++ = ((GLfloat *)ptr)[0] == 1.0; 2579827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell ptr += stride; 2589827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell } 2599827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 2609827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell return space; 2619827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell} 2629827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell 263c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 264f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergstatic void bind_inputs( struct gl_context *ctx, 265c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const struct gl_client_array *inputs[], 266893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLint count, 267c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell struct gl_buffer_object **bo, 268c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint *nr_bo ) 269c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 270c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 271c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell struct vertex_buffer *VB = &tnl->vb; 272c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint i; 273c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 274c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell /* Map all the VBOs 275c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 276c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell for (i = 0; i < VERT_ATTRIB_MAX; i++) { 277c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const void *ptr; 278c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 279c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell if (inputs[i]->BufferObj->Name) { 280c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell if (!inputs[i]->BufferObj->Pointer) { 281c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell bo[*nr_bo] = inputs[i]->BufferObj; 2827e9c3684ef45e0df8426317f28c883d16f27c031Keith Whitwell (*nr_bo)++; 28328249bd260f4c52badf3eb61ade2744604b21bcaIan Romanick ctx->Driver.MapBufferRange(ctx, 0, inputs[i]->BufferObj->Size, 28428249bd260f4c52badf3eb61ade2744604b21bcaIan Romanick GL_MAP_READ_BIT, 28528249bd260f4c52badf3eb61ade2744604b21bcaIan Romanick inputs[i]->BufferObj); 286c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 287c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell assert(inputs[i]->BufferObj->Pointer); 288c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 289c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 290c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell ptr = ADD_POINTERS(inputs[i]->BufferObj->Pointer, 291c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell inputs[i]->Ptr); 292c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 293c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell else 294c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell ptr = inputs[i]->Ptr; 295c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 296c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell /* Just make sure the array is floating point, otherwise convert to 297893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * temporary storage. 298c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * 299c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * XXX: remove the GLvector4f type at some stage and just use 300c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * client arrays. 301c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 302893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell _tnl_import_array(ctx, i, count, inputs[i], ptr); 303c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 304c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 3055464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell /* We process only the vertices between min & max index: 3065464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell */ 307893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell VB->Count = count; 3085464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 30937c79d4d765b10a79e0cf217cc1e70d3fbb7a0c5Eric Anholt /* These should perhaps be part of _TNL_ATTRIB_* */ 3100a9187801505130738ae947c69cafa8a1dd118d1Eric Anholt VB->BackfaceColorPtr = NULL; 311fc9a2970dc539b21b035ea0a770ec69822962145Eric Anholt VB->BackfaceIndexPtr = NULL; 3120a9187801505130738ae947c69cafa8a1dd118d1Eric Anholt VB->BackfaceSecondaryColorPtr = NULL; 313c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 3149827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell /* Clipping and drawing code still requires this to be a packed 3159827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell * array of ubytes which can be written into. TODO: Fix and 3169827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell * remove. 317c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 318c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell if (ctx->Polygon.FrontMode != GL_FILL || 319c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell ctx->Polygon.BackMode != GL_FILL) 320c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell { 3219827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell VB->EdgeFlag = _tnl_import_edgeflag( ctx, 3229827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell VB->AttribPtr[_TNL_ATTRIB_EDGEFLAG], 3239827dc8bea422b940f1efcfbd1c0d76f8bbca844Keith Whitwell VB->Count ); 324c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 325d2d86a3f0b38716196ea2b3ffa4cbbd0420de1b3Brian else { 326d2d86a3f0b38716196ea2b3ffa4cbbd0420de1b3Brian /* the data previously pointed to by EdgeFlag may have been freed */ 327d2d86a3f0b38716196ea2b3ffa4cbbd0420de1b3Brian VB->EdgeFlag = NULL; 328d2d86a3f0b38716196ea2b3ffa4cbbd0420de1b3Brian } 329c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 330c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 331c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 332c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell/* Translate indices to GLuints and store in VB->Elts. 333c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 334f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergstatic void bind_indices( struct gl_context *ctx, 3355464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell const struct _mesa_index_buffer *ib, 3365464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell struct gl_buffer_object **bo, 3375464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell GLuint *nr_bo) 338c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 339c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 340c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell struct vertex_buffer *VB = &tnl->vb; 341188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell GLuint i; 342188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell void *ptr; 343c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 344893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (!ib) { 345893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell VB->Elts = NULL; 346c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell return; 347893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell } 348c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 349c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell if (ib->obj->Name && !ib->obj->Pointer) { 350c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell bo[*nr_bo] = ib->obj; 3517e9c3684ef45e0df8426317f28c883d16f27c031Keith Whitwell (*nr_bo)++; 35228249bd260f4c52badf3eb61ade2744604b21bcaIan Romanick ctx->Driver.MapBufferRange(ctx, 0, ib->obj->Size, GL_MAP_READ_BIT, 35328249bd260f4c52badf3eb61ade2744604b21bcaIan Romanick ib->obj); 354c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 355c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell assert(ib->obj->Pointer); 356c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 357c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 358188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell ptr = ADD_POINTERS(ib->obj->Pointer, ib->ptr); 359c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 36092d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt if (ib->type == GL_UNSIGNED_INT && VB->Primitive[0].basevertex == 0) { 361188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell VB->Elts = (GLuint *) ptr; 362188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell } 363188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell else { 364188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell GLuint *elts = (GLuint *)get_space(ctx, ib->count * sizeof(GLuint)); 365188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell VB->Elts = elts; 366188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell 36792d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt if (ib->type == GL_UNSIGNED_INT) { 36892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt const GLuint *in = (GLuint *)ptr; 36992d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt for (i = 0; i < ib->count; i++) 37092d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt *elts++ = (GLuint)(*in++) + VB->Primitive[0].basevertex; 37192d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt } 37292d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt else if (ib->type == GL_UNSIGNED_SHORT) { 373893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell const GLushort *in = (GLushort *)ptr; 374188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell for (i = 0; i < ib->count; i++) 37592d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt *elts++ = (GLuint)(*in++) + VB->Primitive[0].basevertex; 376188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell } 377893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell else { 378893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell const GLubyte *in = (GLubyte *)ptr; 379188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell for (i = 0; i < ib->count; i++) 38092d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt *elts++ = (GLuint)(*in++) + VB->Primitive[0].basevertex; 381188a4db49c4c22429bfa7ae87d4b1a0c35bf0285Keith Whitwell } 382c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 383c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 384c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 385f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergstatic void bind_prims( struct gl_context *ctx, 3865464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell const struct _mesa_prim *prim, 387893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell GLuint nr_prims ) 3885464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell{ 3895464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 3905464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell struct vertex_buffer *VB = &tnl->vb; 3915464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 392893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell VB->Primitive = prim; 3935464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell VB->PrimitiveCount = nr_prims; 3945464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell} 3955464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 396f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergstatic void unmap_vbos( struct gl_context *ctx, 397c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell struct gl_buffer_object **bo, 398c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint nr_bo ) 399c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 400c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint i; 401c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell for (i = 0; i < nr_bo; i++) { 40256f0c00f125ee75caeadc1c9e8cab8a488635e5eIan Romanick ctx->Driver.UnmapBuffer(ctx, bo[i]); 403c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell } 404c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 405c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 406c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 407f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergvoid _tnl_vbo_draw_prims(struct gl_context *ctx, 4082708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt const struct gl_client_array *arrays[], 4092708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt const struct _mesa_prim *prim, 4102708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt GLuint nr_prims, 4112708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt const struct _mesa_index_buffer *ib, 4122708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt GLboolean index_bounds_valid, 4132708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt GLuint min_index, 4142708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt GLuint max_index) 4152708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt{ 4162708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt if (!index_bounds_valid) 4172708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt vbo_get_minmax_index(ctx, prim, ib, &min_index, &max_index); 4182708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt 4192708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index); 4202708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt} 421c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 422c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell/* This is the main entrypoint into the slimmed-down software tnl 423c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * module. In a regular swtnl driver, this can be plugged straight 424c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell * into the vbo->Driver.DrawPrims() callback. 425c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell */ 426f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergvoid _tnl_draw_prims( struct gl_context *ctx, 427c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const struct gl_client_array *arrays[], 428c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const struct _mesa_prim *prim, 429c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint nr_prims, 430c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell const struct _mesa_index_buffer *ib, 431c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint min_index, 432c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell GLuint max_index) 433c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell{ 434c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell TNLcontext *tnl = TNL_CONTEXT(ctx); 435893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell const GLuint TEST_SPLIT = 0; 436893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell const GLint max = TEST_SPLIT ? 8 : tnl->vb.Size - MAX_CLIPPED_VERTICES; 43728bd4a1d81c200d7eff4545de946dd943d853b08Brian Paul GLint max_basevertex = prim->basevertex; 43892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt GLuint i; 43992d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt 4406fea2be7959620fe0a1b28c275a7d960005c8b09Brian Paul /* Mesa core state should have been validated already */ 4416fea2be7959620fe0a1b28c275a7d960005c8b09Brian Paul assert(ctx->NewState == 0x0); 4426fea2be7959620fe0a1b28c275a7d960005c8b09Brian Paul 443699cfaeb3cde2a329b2d79ae09c7783ed4edacfeBrian Paul if (!_mesa_check_conditional_render(ctx)) 444699cfaeb3cde2a329b2d79ae09c7783ed4edacfeBrian Paul return; /* don't draw */ 445699cfaeb3cde2a329b2d79ae09c7783ed4edacfeBrian Paul 44692d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt for (i = 1; i < nr_prims; i++) 44792d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt max_basevertex = MAX2(max_basevertex, prim[i].basevertex); 4485464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 449893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (0) 45082152a2a8e1afeb61710318e769b1379be6c02c6keithw { 451298be2b028263b2c343a707662c6fbfa18293cb2Kristian Høgsberg printf("%s %d..%d\n", __FUNCTION__, min_index, max_index); 45282152a2a8e1afeb61710318e769b1379be6c02c6keithw for (i = 0; i < nr_prims; i++) 453298be2b028263b2c343a707662c6fbfa18293cb2Kristian Høgsberg printf("prim %d: %s start %d count %d\n", i, 454298be2b028263b2c343a707662c6fbfa18293cb2Kristian Høgsberg _mesa_lookup_enum_by_nr(prim[i].mode), 455298be2b028263b2c343a707662c6fbfa18293cb2Kristian Høgsberg prim[i].start, 456298be2b028263b2c343a707662c6fbfa18293cb2Kristian Høgsberg prim[i].count); 45782152a2a8e1afeb61710318e769b1379be6c02c6keithw } 4585464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 459893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell if (min_index) { 460893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell /* We always translate away calls with min_index != 0. 461893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell */ 462893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell vbo_rebase_prims( ctx, arrays, prim, nr_prims, ib, 463893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell min_index, max_index, 4642708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt _tnl_vbo_draw_prims ); 465893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell return; 466893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell } 467b30898f4ab533085d97a33638ad0a1cf9ddb1d67Karl Schultz else if ((GLint)max_index + max_basevertex > max) { 468893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell /* The software TNL pipeline has a fixed amount of storage for 469893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * vertices and it is necessary to split incoming drawing commands 470893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell * if they exceed that limit. 471893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell */ 4725464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell struct split_limits limits; 473893526b8a823fe1b88f2b46376155afb91c84016Keith Whitwell limits.max_verts = max; 4745464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell limits.max_vb_size = ~0; 4755464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell limits.max_indices = ~0; 4765464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell 4775464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell /* This will split the buffers one way or another and 4785464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell * recursively call back into this function. 4795464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell */ 4805464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell vbo_split_prims( ctx, arrays, prim, nr_prims, ib, 48192d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt 0, max_index + prim->basevertex, 4822708ddfb06a36d8568e2aa130bf1f7d551fcd309Eric Anholt _tnl_vbo_draw_prims, 4835464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell &limits ); 4845464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell } 4855464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell else { 4865464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell /* May need to map a vertex buffer object for every attribute plus 4875464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell * one for the index buffer. 4885464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell */ 4895464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell struct gl_buffer_object *bo[VERT_ATTRIB_MAX + 1]; 4905464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell GLuint nr_bo = 0; 491a63486ac680acc0bfb895037aca130a457caa01aBrian Paul GLuint inst; 492c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 49392d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt for (i = 0; i < nr_prims;) { 49492d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt GLuint this_nr_prims; 49592d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt 49692d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt /* Our SW TNL pipeline doesn't handle basevertex yet, so bind_indices 49792d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt * will rebase the elements to the basevertex, and we'll only 49892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt * emit strings of prims with the same basevertex in one draw call. 49992d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt */ 50092d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt for (this_nr_prims = 1; i + this_nr_prims < nr_prims; 50192d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt this_nr_prims++) { 50292d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt if (prim[i].basevertex != prim[i + this_nr_prims].basevertex) 50392d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt break; 50492d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt } 50592d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt 5066179f7e38e78eea6fb06180fca3c8b1e78d25f2bBrian Paul assert(prim[i].num_instances > 0); 5076179f7e38e78eea6fb06180fca3c8b1e78d25f2bBrian Paul 50892d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt /* Binding inputs may imply mapping some vertex buffer objects. 50992d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt * They will need to be unmapped below. 51092d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt */ 511a63486ac680acc0bfb895037aca130a457caa01aBrian Paul for (inst = 0; inst < prim[i].num_instances; inst++) { 512c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 513a63486ac680acc0bfb895037aca130a457caa01aBrian Paul bind_prims(ctx, &prim[i], this_nr_prims); 514a63486ac680acc0bfb895037aca130a457caa01aBrian Paul bind_inputs(ctx, arrays, max_index + prim[i].basevertex + 1, 515a63486ac680acc0bfb895037aca130a457caa01aBrian Paul bo, &nr_bo); 516a63486ac680acc0bfb895037aca130a457caa01aBrian Paul bind_indices(ctx, ib, bo, &nr_bo); 517c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 518a63486ac680acc0bfb895037aca130a457caa01aBrian Paul tnl->CurInstance = inst; 519a63486ac680acc0bfb895037aca130a457caa01aBrian Paul TNL_CONTEXT(ctx)->Driver.RunPipeline(ctx); 520a63486ac680acc0bfb895037aca130a457caa01aBrian Paul 521a63486ac680acc0bfb895037aca130a457caa01aBrian Paul unmap_vbos(ctx, bo, nr_bo); 522a63486ac680acc0bfb895037aca130a457caa01aBrian Paul free_space(ctx); 523a63486ac680acc0bfb895037aca130a457caa01aBrian Paul } 52492d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt 52592d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt i += this_nr_prims; 52692d7ed8a20d4a018ce5324e6537ae7b478b9e5bfEric Anholt } 5275464cd0a60f474753abc6af047fd21b0e29b8ac4Keith Whitwell } 528c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell} 529c22f8a7787bd5260135a20a0c2ae8b743228497bKeith Whitwell 530