96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program 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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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _TEXTUREDECODER_H
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#define _TEXTUREDECODER_H
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enum
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{
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TMEM_SIZE = 1024*1024,
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HALFTMEM_SIZE = 512*1024
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};
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extern u8 texMem[TMEM_SIZE];
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enum TextureFormat
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{
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GX_TF_I4 = 0x0,
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GX_TF_I8 = 0x1,
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GX_TF_IA4 = 0x2,
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GX_TF_IA8 = 0x3,
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GX_TF_RGB565 = 0x4,
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GX_TF_RGB5A3 = 0x5,
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GX_TF_RGBA8 = 0x6,
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GX_TF_C4 = 0x8,
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GX_TF_C8 = 0x9,
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GX_TF_C14X2 = 0xA,
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GX_TF_CMPR = 0xE,
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_GX_TF_CTF = 0x20, // copy-texture-format only (simply means linear?)
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_GX_TF_ZTF = 0x10, // Z-texture-format
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// these formats are also valid when copying targets
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GX_CTF_R4 = 0x0 | _GX_TF_CTF,
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GX_CTF_RA4 = 0x2 | _GX_TF_CTF,
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GX_CTF_RA8 = 0x3 | _GX_TF_CTF,
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GX_CTF_YUVA8 = 0x6 | _GX_TF_CTF,
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GX_CTF_A8 = 0x7 | _GX_TF_CTF,
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GX_CTF_R8 = 0x8 | _GX_TF_CTF,
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GX_CTF_G8 = 0x9 | _GX_TF_CTF,
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GX_CTF_B8 = 0xA | _GX_TF_CTF,
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GX_CTF_RG8 = 0xB | _GX_TF_CTF,
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GX_CTF_GB8 = 0xC | _GX_TF_CTF,
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GX_TF_Z8 = 0x1 | _GX_TF_ZTF,
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GX_TF_Z16 = 0x3 | _GX_TF_ZTF,
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GX_TF_Z24X8 = 0x6 | _GX_TF_ZTF,
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GX_CTF_Z4 = 0x0 | _GX_TF_ZTF | _GX_TF_CTF,
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GX_CTF_Z8M = 0x9 | _GX_TF_ZTF | _GX_TF_CTF,
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GX_CTF_Z8L = 0xA | _GX_TF_ZTF | _GX_TF_CTF,
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GX_CTF_Z16L = 0xC | _GX_TF_ZTF | _GX_TF_CTF,
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};
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int TexDecoder_GetTexelSizeInNibbles(int format);
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int TexDecoder_GetTextureSizeInBytes(int width, int height, int format);
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int TexDecoder_GetBlockWidthInTexels(u32 format);
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int TexDecoder_GetBlockHeightInTexels(u32 format);
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int TexDecoder_GetPaletteSize(int fmt);
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enum PC_TexFormat
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{
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PC_TEX_FMT_NONE = 0,
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PC_TEX_FMT_BGRA32,
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PC_TEX_FMT_RGBA32,
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PC_TEX_FMT_I4_AS_I8,
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PC_TEX_FMT_IA4_AS_IA8,
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PC_TEX_FMT_I8,
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PC_TEX_FMT_IA8,
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PC_TEX_FMT_RGB565,
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PC_TEX_FMT_DXT1,
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};
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PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt);
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void TexDecoder_DecodeTexel(u8 *dst, const u8 *src, int s, int t, int imageWidth, int texformat, int tlutaddr, int tlutfmt);
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u32 TexDecoder_GetSafeTextureHash(const u8 *src, int width, int height, int texformat, u32 seed=0);
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u32 TexDecoder_GetTlutHash(const u8* src, int len);
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void TexDecoder_SetTexFmtOverlayOptions(bool enable, bool center);
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#endif
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