warzone2100/lib/ivis_opengl/rendmode.c

151 lines
4.0 KiB
C

/*
This file is part of Warzone 2100.
Copyright (C) 1999-2004 Eidos Interactive
Copyright (C) 2005-2007 Warzone Resurrection Project
Warzone 2100 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Warzone 2100 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Warzone 2100; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include "lib/ivis_common/ivi.h"
#include "lib/ivis_common/rendmode.h"
#include "lib/ivis_common/pieclip.h"
#include "lib/ivis_common/rendfunc.h"
#include "lib/ivis_common/textdraw.h"
#include "lib/ivis_common/piepalette.h"
#include "lib/ivis_common/piestate.h"
#include "lib/ivis_common/ivispatch.h"
#include "lib/framework/fractions.h"
//*************************************************************************
iSurface rendSurface;
iSurface *psRendSurface;
//*************************************************************************
//***
//*
//*
//******
iSurface *iV_SurfaceCreate(Uint32 flags, int width, int height, int xp, int yp, UBYTE *buffer)
{
iSurface *s;
int i;
assert(buffer!=NULL); // on playstation this MUST be null
if ((s = (iSurface *) malloc(sizeof(iSurface))) == NULL)
return NULL;
s->flags = flags;
s->xcentre = width>>1;
s->ycentre = height>>1;
s->xpshift = xp;
s->ypshift = yp;
s->width = width;
s->height = height;
s->size = width * height;
s->buffer = buffer;
for (i=0; i<iV_SCANTABLE_MAX; i++)
s->scantable[i] = i * width;
s->clip.left = 0;
s->clip.right = width-1;
s->clip.top = 0;
s->clip.bottom = height-1;
iV_DEBUG2("vid[SurfaceCreate] = created surface width %d, height %d\n",width,height);
return s;
}
// user must free s->buffer before calling
void iV_SurfaceDestroy(iSurface *s)
{
// if renderer assigned to surface
if (psRendSurface == s)
psRendSurface = NULL;
if (s)
free(s);
}
//*************************************************************************
//*** assign renderer
//*
//******
void rend_Assign(iSurface *s)
{
iV_RenderAssign(s);
/* Need to look into this - won't the unwanted called still set render surface? */
psRendSurface = s;
}
// pre VideoOpen
void rend_AssignScreen(void)
{
iV_RenderAssign(&rendSurface);
}
int iV_GetDisplayWidth(void)
{
return rendSurface.width;
}
int iV_GetDisplayHeight(void)
{
return rendSurface.height;
}
//*************************************************************************
//
// function pointers for render assign
//
//*************************************************************************
void (*iV_ppBitmap)(iBitmap *bmp, int x, int y, int w, int h, int ow);
void (*iV_ppBitmapTrans)(iBitmap *bmp, int x, int y, int w, int h, int ow);
void (*iV_SetTransFilter)(UDWORD rgb,UDWORD tablenumber);
void (*iV_UniBitmapDepth)(int texPage, int u, int v, int srcWidth, int srcHeight,
int x, int y, int destWidth, int destHeight, unsigned char brightness, int depth);
void (*iV_SetTransImds)(BOOL trans);
//*************************************************************************
//
// function pointers for render assign
//
//*************************************************************************
#ifndef PIETOOL
void iV_RenderAssign(iSurface *s)
{
/* Need to look into this - won't the unwanted called still set render surface? */
psRendSurface = s;
iV_SetTransFilter = SetTransFilter;
iV_DEBUG0("vid[RenderAssign] = assigned renderer :\n");
iV_DEBUG5("usr %d\nflags %x\nxcentre, ycentre %d\nbuffer %p\n",
s->usr,s->flags,s->xcentre,s->ycentre,s->buffer);
}
#endif // don't want this function at all if we have PIETOOL defined