dolphin/Source/Core/VideoCommon/Src/TextureDecoder.h

90 lines
2.7 KiB
C

// Copyright (C) 2003-2008 Dolphin Project.
// This program 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, version 2.0.
// This program 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _TEXTUREDECODER_H
#define _TEXTUREDECODER_H
enum
{
TMEM_SIZE = 1024*1024,
HALFTMEM_SIZE = 512*1024
};
extern u8 texMem[TMEM_SIZE];
enum TextureFormat
{
GX_TF_I4 = 0x0,
GX_TF_I8 = 0x1,
GX_TF_IA4 = 0x2,
GX_TF_IA8 = 0x3,
GX_TF_RGB565 = 0x4,
GX_TF_RGB5A3 = 0x5,
GX_TF_RGBA8 = 0x6,
GX_TF_C4 = 0x8,
GX_TF_C8 = 0x9,
GX_TF_C14X2 = 0xA,
GX_TF_CMPR = 0xE,
_GX_TF_CTF = 0x20, // copy-texture-format only (simply means linear?)
_GX_TF_ZTF = 0x10, // Z-texture-format
// these formats are also valid when copying targets
GX_CTF_R4 = 0x0 | _GX_TF_CTF,
GX_CTF_RA4 = 0x2 | _GX_TF_CTF,
GX_CTF_RA8 = 0x3 | _GX_TF_CTF,
GX_CTF_YUVA8 = 0x6 | _GX_TF_CTF,
GX_CTF_A8 = 0x7 | _GX_TF_CTF,
GX_CTF_R8 = 0x8 | _GX_TF_CTF,
GX_CTF_G8 = 0x9 | _GX_TF_CTF,
GX_CTF_B8 = 0xA | _GX_TF_CTF,
GX_CTF_RG8 = 0xB | _GX_TF_CTF,
GX_CTF_GB8 = 0xC | _GX_TF_CTF,
GX_TF_Z8 = 0x1 | _GX_TF_ZTF,
GX_TF_Z16 = 0x3 | _GX_TF_ZTF,
GX_TF_Z24X8 = 0x6 | _GX_TF_ZTF,
GX_CTF_Z4 = 0x0 | _GX_TF_ZTF | _GX_TF_CTF,
GX_CTF_Z8M = 0x9 | _GX_TF_ZTF | _GX_TF_CTF,
GX_CTF_Z8L = 0xA | _GX_TF_ZTF | _GX_TF_CTF,
GX_CTF_Z16L = 0xC | _GX_TF_ZTF | _GX_TF_CTF,
};
int TexDecoder_GetTexelSizeInNibbles(int format);
int TexDecoder_GetTextureSizeInBytes(int width, int height, int format);
int TexDecoder_GetBlockWidthInTexels(int format);
int TexDecoder_GetPaletteSize(int fmt);
enum PC_TexFormat
{
PC_TEX_FMT_NONE = 0,
PC_TEX_FMT_BGRA32,
PC_TEX_FMT_IA4,
PC_TEX_FMT_I8,
PC_TEX_FMT_IA8,
PC_TEX_FMT_RGB565,
};
PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt);
u32 TexDecoder_GetSafeTextureHash(const u8 *src, int width, int height, int texformat, u32 seed=0);
u32 TexDecoder_GetTlutHash(const u8* src, int len);
void TexDecoder_SetTexFmtOverlayOptions(bool enable, bool center);
#endif