ss/include/rvl/GX/GXInternal.h

#ifndef RVL_SDK_GX_INTERNAL_H
#define RVL_SDK_GX_INTERNAL_H
#include "common.h"
#include "rvl/GX/GXTypes.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * GX internal structures.
 *
 * Wouldn't be necessary if the public ones didn't include padding; but they do,
 * so there has to be different structure definitions.
 *
 * These internal structures are implemented like the RFL ones since we don't
 * have DWARF info for most GX structures.
 */

/**
 * Declare a public structure from the corresponding internal structure.
 * (Implementation size is included to require that such a structure already
 * exists.)
 */
#define GX_DECL_PUBLIC_STRUCT(name, size)                                                                              \
    typedef struct _##name {                                                                                           \
        u8 dummy[(size) - sizeof(name##Impl) + sizeof(name##Impl)];                                                    \
    } name;

typedef struct _GXFifoObjImpl {
    void *base;        // at 0x0
    void *end;         // at 0x4
    u32 size;          // at 0x8
    void *hiWatermark; // at 0xC
    void *loWatermark; // at 0x10
    void *readPtr;     // at 0x14
    void *writePtr;    // at 0x18
    u32 count;         // at 0x1C
    u8 wrap;           // at 0x20
} GXFifoObjImpl;

typedef struct _GXLightObjImpl {
    char UNK_0x0[0xC];
    GXColor color; // at 0xC
    f32 aa;        // at 0x10
    f32 ab;        // at 0x14
    f32 ac;        // at 0x18
    f32 ka;        // at 0x1C
    f32 kb;        // at 0x20
    f32 kc;        // at 0x24
    f32 posX;      // at 0x28
    f32 posY;      // at 0x2C
    f32 posZ;      // at 0x30
    f32 dirX;      // at 0x34
    f32 dirY;      // at 0x38
    f32 dirZ;      // at 0x3C
} GXLightObjImpl;

typedef struct _GXTexObjImpl {
    u32 dummy0;   // at 0x00
                  // -> 0x0x000003 | wrapS
                  // -> 0x0x00000C | wrapT
                  // -> 0x00000010 | magFilt
                  // -> 0x000000E0 | minFilt
                  // -> 0x00000100 | edgeLODEnable
                  // -> 0x0001FE00 | lodBias * 32
                  // -> 0x00180000 | anisotropy
                  // -> 0x00200000 | biasClampEn
    u32 dummy1;   // at 0x04
                  // -> 0x000000FF | minLOD * 16
                  // -> 0x0000FF00 | maxLOD * 16
    u32 dummy2;   // at 0x08
                  // -> 0x000003FF | width - 1
                  // -> 0x000FFC00 | height - 1
    u32 dummy3;   // at 0x0C (( & 0xFFFFFF) << 5 -> ObjData)
    u32 userData; // at 0x10
    u32 format;   // at 0x14
    u32 tlutName; // at 0x18
    u32 dummy7;   // at 0x1C
                  // -> 0x01000000 | MipMap
} GXTexObjImpl;

typedef struct _GXTlutObjImpl {
    u8 todo[0xC];
} GXTlutObjImpl;

typedef struct _GXTexRegionImpl {
    u8 todo;
} GXTexRegionImpl;

typedef struct _GXTlutRegionImpl {
    u8 todo;
} GXTlutRegionImpl;

#ifdef __cplusplus
}
#endif
#endif