dusklight/include/dolphin/gx/GXVert.h

#ifndef _DOLPHIN_GX_GXVERT_H_
#define _DOLPHIN_GX_GXVERT_H_

#ifdef __REVOLUTION_SDK__
#include <revolution/gx/GXVert.h>
#elif defined(TARGET_PC)
// On PC, include Aurora's GXVert for GXPosition/GXNormal/GXColor/GXTexCoord/GXEnd
// (extern functions implemented in Aurora's GXVert.cpp, stream-based vertex buffers)
#include "../../../extern/aurora/include/dolphin/gx/GXVert.h"

// Aurora's GXVert.h does not provide GXCmd, GXParam, GXMatrixIndex, or a valid
// GXWGFifo target. J3D code uses these for low-level display list writes.
// We declare them as extern (implemented in stubs.cpp) and provide a dummy
// GXWGFifo that writes into a throw-away buffer so direct FIFO writes don't crash.

// Replace Aurora's GXWGFifo macro (pointing to 0xCC008000) with an extern variable
#undef GXWGFifo
#ifdef __cplusplus
extern "C" {
#endif

// PPCWGPipe is already typedef'd by Aurora's GXVert.h above.
// Dummy FIFO sink: direct GXWGFifo writes in J3DFifo.h land here harmlessly.
extern volatile PPCWGPipe GXWGFifo;

void GXCmd1u8(const u8 x);
void GXCmd1u16(const u16 x);
void GXCmd1u32(const u32 x);

void GXParam1u8(const u8 x);
void GXParam1u16(const u16 x);
void GXParam1u32(const u32 x);
void GXParam1s8(const s8 x);
void GXParam1s16(const s16 x);
void GXParam1s32(const s32 x);
void GXParam1f32(const f32 x);
void GXParam3f32(const f32 x, const f32 y, const f32 z);
void GXParam4f32(const f32 x, const f32 y, const f32 z, const f32 w);

void GXMatrixIndex1u8(const u8 x);

#ifdef __cplusplus
}
#endif

#else
#include <dolphin/types.h>
#include <dolphin/os.h>

#ifdef __cplusplus
extern "C" {
#endif

#define GXFIFO_ADDR 0xCC008000

typedef union {
    u8  u8;
    u16 u16;
    u32 u32;
    u64 u64;
    s8  s8;
    s16 s16;
    s32 s32;
    s64 s64;
    f32 f32;
    f64 f64;
} PPCWGPipe;

#ifdef __MWERKS__
volatile PPCWGPipe GXWGFifo AT_ADDRESS(GXFIFO_ADDR);
#else
#define GXWGFifo (*(volatile PPCWGPipe *)GXFIFO_ADDR)
#endif

#if DEBUG

// external functions

#define FUNC_1PARAM(name, T) void name##1##T(const T x);
#define FUNC_2PARAM(name, T) void name##2##T(const T x, const T y);
#define FUNC_3PARAM(name, T) void name##3##T(const T x, const T y, const T z);
#define FUNC_4PARAM(name, T) void name##4##T(const T x, const T y, const T z, const T w);
#define FUNC_INDEX8(name)    void name##1x8(const u8 x);
#define FUNC_INDEX16(name)   void name##1x16(const u16 x);

#else

// inline functions

#define FUNC_1PARAM(name, T) \
static inline void name##1##T(const T x) { GXWGFifo.T = x; }

#define FUNC_2PARAM(name, T) \
static inline void name##2##T(const T x, const T y) { GXWGFifo.T = x; GXWGFifo.T = y; }

#define FUNC_3PARAM(name, T) \
static inline void name##3##T(const T x, const T y, const T z) { GXWGFifo.T = x; GXWGFifo.T = y; GXWGFifo.T = z; }

#define FUNC_4PARAM(name, T) \
static inline void name##4##T(const T x, const T y, const T z, const T w) { GXWGFifo.T = x; GXWGFifo.T = y; GXWGFifo.T = z; GXWGFifo.T = w; }

#define FUNC_INDEX8(name) \
static inline void name##1x8(const u8 x) { GXWGFifo.u8 = x; }

#define FUNC_INDEX16(name) \
static inline void name##1x16(const u16 x) { GXWGFifo.u16 = x; }

#endif

// GXCmd
FUNC_1PARAM(GXCmd, u8)
FUNC_1PARAM(GXCmd, u16)
FUNC_1PARAM(GXCmd, u32)

// GXParam
FUNC_1PARAM(GXParam, u8)
FUNC_1PARAM(GXParam, u16)
FUNC_1PARAM(GXParam, u32)
FUNC_1PARAM(GXParam, s8)
FUNC_1PARAM(GXParam, s16)
FUNC_1PARAM(GXParam, s32)
FUNC_1PARAM(GXParam, f32)
FUNC_3PARAM(GXParam, f32)
FUNC_4PARAM(GXParam, f32)

// GXPosition
FUNC_3PARAM(GXPosition, f32)
FUNC_3PARAM(GXPosition, u8)
FUNC_3PARAM(GXPosition, s8)
FUNC_3PARAM(GXPosition, u16)
FUNC_3PARAM(GXPosition, s16)
FUNC_2PARAM(GXPosition, f32)
FUNC_2PARAM(GXPosition, u8)
FUNC_2PARAM(GXPosition, s8)
FUNC_2PARAM(GXPosition, u16)
FUNC_2PARAM(GXPosition, s16)
FUNC_INDEX16(GXPosition)
FUNC_INDEX8(GXPosition)

// GXNormal
FUNC_3PARAM(GXNormal, f32)
FUNC_3PARAM(GXNormal, s16)
FUNC_3PARAM(GXNormal, s8)
FUNC_INDEX16(GXNormal)
FUNC_INDEX8(GXNormal)

// GXColor
FUNC_4PARAM(GXColor, u8)
FUNC_1PARAM(GXColor, u32)
FUNC_3PARAM(GXColor, u8)
FUNC_1PARAM(GXColor, u16)
FUNC_INDEX16(GXColor)
FUNC_INDEX8(GXColor)

// GXTexCoord
FUNC_2PARAM(GXTexCoord, f32)
FUNC_2PARAM(GXTexCoord, s16)
FUNC_2PARAM(GXTexCoord, u16)
FUNC_2PARAM(GXTexCoord, s8)
FUNC_2PARAM(GXTexCoord, u8)
FUNC_1PARAM(GXTexCoord, f32)
FUNC_1PARAM(GXTexCoord, s16)
FUNC_1PARAM(GXTexCoord, u16)
FUNC_1PARAM(GXTexCoord, s8)
FUNC_1PARAM(GXTexCoord, u8)
FUNC_INDEX16(GXTexCoord)
FUNC_INDEX8(GXTexCoord)

// GXMatrixIndex
FUNC_1PARAM(GXMatrixIndex, u8)

#undef FUNC_1PARAM
#undef FUNC_2PARAM
#undef FUNC_3PARAM
#undef FUNC_4PARAM
#undef FUNC_INDEX8
#undef FUNC_INDEX16

#ifdef __cplusplus
}
#endif

#endif
#endif