2017-01-03 06:17:54 +00:00
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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2016-12-30 04:35:25 +00:00
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#include <stdlib.h>
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#include "templates.h"
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#include "doomdef.h"
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#include "m_bbox.h"
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#include "i_system.h"
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#include "p_lnspec.h"
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#include "p_setup.h"
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#include "swrenderer/r_main.h"
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#include "swrenderer/drawers/r_draw.h"
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#include "a_sharedglobal.h"
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#include "g_level.h"
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#include "p_effect.h"
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#include "doomstat.h"
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#include "r_state.h"
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#include "v_palette.h"
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#include "r_sky.h"
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#include "po_man.h"
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#include "r_data/colormaps.h"
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#include "r_memory.h"
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namespace swrenderer
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{
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short *openings;
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namespace
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{
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size_t maxopenings;
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ptrdiff_t lastopening;
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}
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ptrdiff_t R_NewOpening(ptrdiff_t len)
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{
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ptrdiff_t res = lastopening;
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len = (len + 1) & ~1; // only return DWORD aligned addresses because some code stores fixed_t's and floats in openings...
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lastopening += len;
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if ((size_t)lastopening > maxopenings)
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{
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do
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maxopenings = maxopenings ? maxopenings * 2 : 16384;
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while ((size_t)lastopening > maxopenings);
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openings = (short *)M_Realloc(openings, maxopenings * sizeof(*openings));
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DPrintf(DMSG_NOTIFY, "MaxOpenings increased to %zu\n", maxopenings);
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}
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return res;
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}
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void R_FreeOpenings()
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{
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lastopening = 0;
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}
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}
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