diff options
Diffstat (limited to 'src/mesa/tnl/t_imm_alloc.c')
-rw-r--r-- | src/mesa/tnl/t_imm_alloc.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/mesa/tnl/t_imm_alloc.c b/src/mesa/tnl/t_imm_alloc.c new file mode 100644 index 00000000000..44e3a598ecb --- /dev/null +++ b/src/mesa/tnl/t_imm_alloc.c @@ -0,0 +1,104 @@ +/* $Id: t_imm_alloc.c,v 1.1 2000/12/26 05:09:32 keithw Exp $ */ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999 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 <[email protected]> + */ + +#include "glheader.h" +#include "mem.h" +#include "mtypes.h" + +#include "t_imm_alloc.h" + + + +struct immediate *_tnl_alloc_immediate( GLcontext *ctx ) +{ + static int id = 0; + struct immediate *IM = ALIGN_MALLOC_STRUCT( immediate, 32 ); + GLuint j; + + if (!IM) + return 0; + + IM->id = id++; + IM->ref_count = 0; + IM->backref = ctx; + IM->NormalLengths = 0; + IM->FlushElt = 0; + IM->LastPrimitive = IMM_MAX_COPIED_VERTS; + IM->Count = IMM_MAX_COPIED_VERTS; + IM->Start = IMM_MAX_COPIED_VERTS; + IM->Material = 0; + IM->MaterialMask = 0; + IM->MaxTextureUnits = ctx->Const.MaxTextureUnits; + IM->TexSize = 0; + + IM->CopyTexSize = 0; + IM->CopyStart = IM->Start; + + + /* TexCoord0 is special. + */ + IM->TexCoord[0] = IM->TexCoord0; + + for (j = 1; j < ctx->Const.MaxTextureUnits; j++) + IM->TexCoord[j] = ALIGN_MALLOC( IMM_SIZE * sizeof(GLfloat) * 4, 32 ); + + /* KW: Removed initialization of normals as these are now treated + * identically to all other data types. + */ + + MEMSET(IM->Flag, 0, sizeof(IM->Flag)); + + return IM; +} + + +void _tnl_free_immediate( struct immediate *IM ) +{ + GLuint j; + + if (IM->NormalLengths) { + FREE( IM->NormalLengths ); + IM->NormalLengths = 0; + } + + if (IM->Material) { + FREE( IM->Material ); + FREE( IM->MaterialMask ); + IM->Material = 0; + IM->MaterialMask = 0; + + for (j = 1; j < IM->MaxTextureUnits; j++) + ALIGN_FREE( IM->TexCoord[j] ); + } + + ALIGN_FREE( IM ); +} + + + |