WiiFlow_Lite/source/gui/texture.hpp

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#ifndef __TEXTURE_HPP
#define __TEXTURE_HPP
#include <gccore.h>
class STexture
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{
public:
STexture(void) : data(NULL), dataSize(0), width(0), height(0), format(-1), maxLOD(0) { }
void Cleanup();
bool CopyTexture(const STexture &tex);
u8 *data;
u32 dataSize;
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u32 width;
u32 height;
u8 format;
u8 maxLOD;
// Utility funcs
enum TexErr { TE_OK, TE_ERROR, TE_NOMEM };
// Get from PNG, if not found from JPG
TexErr fromImageFile(const char *filename, u8 f = -1, u32 minMipSize = 0, u32 maxMipSize = 0);
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// This function doesn't use MEM2 if the PNG is loaded from memory and there's no mip mapping
TexErr fromPNG(const u8 *buffer, u8 f = -1, u32 minMipSize = 0, u32 maxMipSize = 0);
TexErr fromJPG(const u8 *buffer, const u32 buffer_size, u8 f = -1, u32 minMipSize = 0, u32 maxMipSize = 0);
/* Just for THP */
TexErr fromTHP(const u8 *buffer, u32 w, u32 h);
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private:
void _resize(u8 *dst, u32 dstWidth, u32 dstHeight, const u8 *src, u32 srcWidth, u32 srcHeight);
void _resizeD2x2(u8 *dst, const u8 *src, u32 srcWidth, u32 srcHeight);
u8 *_genMipMaps(u8 *src, u32 width, u32 height, u8 maxLOD, u32 lod0Width, u32 lod0Height);
void _calcMipMaps(u8 &maxLOD, u8 &minLOD, u32 &lod0Width, u32 &lod0Height, u32 width, u32 height, u32 minSize, u32 maxSize);
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};
u32 fixGX_GetTexBufferSize(u16 wd, u16 ht, u32 fmt, u8 mipmap, u8 maxlod);
#endif //!defined(__TEXTURE_HPP)