qzdoom/src/v_pfx.h
2016-03-01 09:47:10 -06:00

86 lines
2.5 KiB
C

/*
** v_pfx.h
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#ifndef __V_PFX_H__
#define __V_PFX_H__
//
// Pixel format conversion routines, for use with DFrameBuffer implementations
//
union PfxUnion
{
BYTE Pal8[256];
WORD Pal16[256];
DWORD Pal32[256];
BYTE Pal24[256][4];
};
struct PfxState
{
union
{
struct
{
WORD Red;
WORD Green;
WORD Blue;
} Bits16;
struct
{
uint32 Red;
uint32 Green;
uint32 Blue;
} Bits32;
} Masks;
BYTE RedShift;
BYTE BlueShift;
BYTE GreenShift;
BITFIELD RedLeft:1;
BITFIELD BlueLeft:1;
BITFIELD GreenLeft:1;
void SetFormat (int bits, uint32 redMask, uint32 greenMask, uint32 blueMask);
void (*SetPalette) (const PalEntry *pal);
void (*Convert) (BYTE *src, int srcpitch,
void *dest, int destpitch, int destwidth, int destheight,
fixed_t xstep, fixed_t ystep, fixed_t xfrac, fixed_t yfrac);
};
extern "C"
{
extern PfxUnion GPfxPal;
extern PfxState GPfx;
}
#endif //__V_PFX_H__