dolphin/Source/Core/VideoCommon/TextureDecoder.h

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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "Common/Common.h"
#include "Common/Hash.h"
enum
{
TMEM_SIZE = 1024 * 1024,
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TMEM_LINE_SIZE = 32,
};
extern GC_ALIGNED16(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,
};
enum TlutFormat
{
GX_TL_IA8 = 0x0,
GX_TL_RGB565 = 0x1,
GX_TL_RGB5A3 = 0x2,
};
int TexDecoder_GetTexelSizeInNibbles(int format);
int TexDecoder_GetTextureSizeInBytes(int width, int height, int format);
int TexDecoder_GetBlockWidthInTexels(u32 format);
int TexDecoder_GetBlockHeightInTexels(u32 format);
int TexDecoder_GetPaletteSize(int fmt);
void TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, int texformat, const u8* tlut, TlutFormat tlutfmt);
void TexDecoder_DecodeRGBA8FromTmem(u8* dst, const u8 *src_ar, const u8 *src_gb, int width, int height);
void TexDecoder_DecodeTexel(u8 *dst, const u8 *src, int s, int t, int imageWidth, int texformat, const u8* tlut, TlutFormat tlutfmt);
void TexDecoder_DecodeTexelRGBA8FromTmem(u8 *dst, const u8 *src_ar, const u8* src_gb, int s, int t, int imageWidth);
void TexDecoder_SetTexFmtOverlayOptions(bool enable, bool center);
/* Internal method, implemented by TextureDecoder_Generic and TextureDecoder_x64. */
void _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int height, int texformat, const u8* tlut, TlutFormat tlutfmt);