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https://github.com/Fledge68/WiiFlow_Lite.git
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37 lines
1.6 KiB
C++
37 lines
1.6 KiB
C++
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#ifndef __TEXTURE_HPP
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#define __TEXTURE_HPP
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#include <gccore.h>
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#include "smartptr.hpp"
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struct STexture
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{
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SmartBuf data;
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u32 width;
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u32 height;
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u8 format;
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u8 maxLOD;
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STexture(void) : data(), width(0), height(0), format(-1), maxLOD(0) { }
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// Utility funcs
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enum TexErr { TE_OK, TE_ERROR, TE_NOMEM };
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// This function doesn't use MEM2 if the PNG is loaded from memory and there's no mip mapping
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TexErr fromPNG(const u8 *buffer, u8 f = -1, Alloc alloc = ALLOC_MEM2, u32 minMipSize = 0, u32 maxMipSize = 0);
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TexErr fromPNGFile(const char *filename, u8 f = -1, Alloc alloc = ALLOC_MEM2, u32 minMipSize = 0, u32 maxMipSize = 0);
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TexErr fromRAW(const u8 *buffer, u32 w, u32 h, u8 f = -1, Alloc alloc = ALLOC_MEM2);
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private:
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static void _resize(u8 *dst, u32 dstWidth, u32 dstHeight, const u8 *src, u32 srcWidth, u32 srcHeight);
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static void _resizeD2x2(u8 *dst, const u8 *src, u32 srcWidth, u32 srcHeight);
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static SmartBuf _genMipMaps(const u8 *src, u32 width, u32 height, u8 maxLOD, u32 lod0Width, u32 lod0Height);
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static void _calcMipMaps(u8 &maxLOD, u8 &minLOD, u32 &lod0Width, u32 &lod0Height, u32 width, u32 height, u32 minSize, u32 maxSize);
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static void _convertToRGBA8(u8 *dst, const u8 *src, u32 width, u32 height);
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static void _convertToFlippedRGBA8(u8 *dst, const u8 *src, u32 width, u32 height);
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static void _convertToRGB565(u8 *dst, const u8 *src, u32 width, u32 height);
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static void _convertToCMPR(u8 *dst, const u8 *src, u32 width, u32 height);
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};
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u32 fixGX_GetTexBufferSize(u16 wd, u16 ht, u32 fmt, u8 mipmap, u8 maxlod);
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#endif //!defined(__TEXTURE_HPP)
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