/* * Mesa 3-D graphics library * Version: 5.1 * * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Keith Whitwell <keith@tungstengraphics.com> */ #include "glheader.h" #include "imports.h" #include "mtypes.h" #include "t_imm_alloc.h" static int id = 0; /* give each struct immediate a unique ID number */ static struct immediate * real_alloc_immediate( GLcontext *ctx ) { struct immediate *immed = ALIGN_CALLOC_STRUCT( immediate, 32 ); if (!immed) return NULL; immed->id = id++; immed->ref_count = 0; immed->FlushElt = 0; immed->LastPrimitive = IMM_MAX_COPIED_VERTS; immed->Count = IMM_MAX_COPIED_VERTS; immed->Start = IMM_MAX_COPIED_VERTS; immed->Material = 0; immed->MaterialMask = 0; immed->MaxTextureUnits = ctx->Const.MaxTextureCoordUnits; immed->TexSize = 0; immed->NormalLengthPtr = 0; /* Only allocate space for vertex positions right now. Color, texcoord, * etc storage will be allocated as needed. */ immed->Attrib[VERT_ATTRIB_POS] = (GLfloat (*)[4]) _mesa_malloc(IMM_SIZE * 4 * sizeof(GLfloat)); /* Enable this to allocate all attribute arrays up front */ if (0) { int i; for (i = 1; i < VERT_ATTRIB_MAX; i++) { immed->Attrib[i] = (GLfloat (*)[4]) _mesa_malloc(IMM_SIZE * 4 * sizeof(GLfloat)); } } immed->CopyTexSize = 0; immed->CopyStart = immed->Start; return immed; } static void real_free_immediate( struct immediate *immed ) { static int freed = 0; GLuint i; for (i =0; i < VERT_ATTRIB_MAX; i++) { if (immed->Attrib[i]) _mesa_free(immed->Attrib[i]); immed->Attrib[i] = NULL; } if (immed->Material) { FREE( immed->Material ); FREE( immed->MaterialMask ); immed->Material = 0; immed->MaterialMask = 0; } if (immed->NormalLengthPtr) ALIGN_FREE( immed->NormalLengthPtr ); ALIGN_FREE( immed ); freed++; /* printf("outstanding %d\n", id - freed); */ } /** * Return a pointer to a new 'struct immediate' object. * We actually keep a spare/cached one to reduce malloc calls. */ struct immediate * _tnl_alloc_immediate( GLcontext *ctx ) { TNLcontext *tnl = TNL_CONTEXT(ctx); struct immediate *tmp = tnl->freed_immediate; if (tmp) { tnl->freed_immediate = 0; return tmp; } else return real_alloc_immediate( ctx ); } /** * Free a 'struct immediate' object. * May be called after tnl is destroyed. */ void _tnl_free_immediate( GLcontext *ctx, struct immediate *immed ) { TNLcontext *tnl = TNL_CONTEXT(ctx); ASSERT(immed->ref_count == 0); if (immed->NormalLengthPtr) { ALIGN_FREE(immed->NormalLengthPtr); immed->NormalLengthPtr = NULL; } if (!tnl) { real_free_immediate( immed ); } else { if (tnl->freed_immediate) real_free_immediate( tnl->freed_immediate ); tnl->freed_immediate = immed; } }