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#pragma once
#include <cstddef>
#include <cstdint>
#include <map>
#include <mutex>
#include <optional>
#include <string>
#include <vector>
namespace GX {
enum class TexFormat {
I4 = 0x0,
I8 = 0x1,
IA4 = 0x2,
IA8 = 0x3,
RGB565 = 0x4,
RGB5A3 = 0x5,
RGBA8 = 0x6,
C4 = 0x8,
C8 = 0x9,
C14X2 = 0xA,
CMPR = 0xE,
};
struct BlockInfo {
uint32_t width;
uint32_t height;
uint32_t bitsPerTexel;
};
BlockInfo GetBlockInfo(TexFormat format);
size_t TiledSize(TexFormat format, uint32_t width, uint32_t height);
std::vector<uint8_t> Detile(TexFormat format, const uint8_t* src, size_t size, uint32_t width, uint32_t height);
std::vector<uint8_t> DecodeRGBA8(TexFormat format, const uint8_t* src, size_t size, uint32_t width, uint32_t height,
const uint8_t* tlut = nullptr, size_t tlutEntries = 0);
void Rgb5a3ToRgba8(uint16_t texel, uint8_t* out);
uint16_t Rgb5a3ToRgba5551(uint16_t texel);
bool Rgb5a3IsLossless(uint16_t texel);
bool Rgb5a3HasPartialAlpha(uint16_t texel);
enum class N64Format { CI4, CI8, I4, I8, IA8, IA16, RGBA16, RGBA32 };
std::optional<N64Format> ParseN64Format(const std::string& name);
std::optional<TexFormat> SourceFormatFor(N64Format format);
struct N64Texture {
N64Format format;
std::vector<uint8_t> data;
};
N64Texture ConvertToN64(N64Format format, const uint8_t* src, size_t size, uint32_t width, uint32_t height);
bool Rgb5a3TextureIsLossless(const uint8_t* src, size_t size, uint32_t width, uint32_t height);
struct N64Tlut {
std::vector<uint8_t> data;
uint32_t partialAlpha;
};
N64Tlut ConvertTlut(const uint8_t* src, uint32_t count);
std::vector<uint8_t> ConvertTlutRgba8(const uint8_t* src, uint32_t count);
class ConversionStats {
public:
void RecordTlut(uint32_t addr, uint32_t partialAlpha);
void RecordPromotion(uint32_t addr, const std::string& name);
uint32_t GetPartialAlphaEntries() const;
uint32_t GetPartialAlphaTluts() const;
std::map<uint32_t, std::string> GetPromotions() const;
void Clear();
private:
mutable std::mutex mMutex;
std::map<uint32_t, uint32_t> mTluts;
std::map<uint32_t, std::string> mPromotions;
};
ConversionStats& GetStats();
} // namespace GX
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