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#ifndef NW4R_G3D_PLATFORM_GPU_H
#define NW4R_G3D_PLATFORM_GPU_H
#include <nw4r/types_nw4r.h>
#include "nw4r/math.h" // IWYU pragma: export
#include "rvl/GX.h" // IWYU pragma: export
namespace nw4r {
namespace g3d {
namespace fifo {
// Swap bits to get hardware representation
static const u8 cm2hw[] = {0b0000, 0b0010, 0b0001, 0b0011};
inline void LoadBPCmd(u32 reg) {
GXCmd1u8(GX_FIFO_CMD_LOAD_BP_REG);
GXCmd1u32(reg);
}
inline void LoadCPCmd(u8 addr, u32 value) {
GXCmd1u8(GX_FIFO_CMD_LOAD_CP_REG);
GXCmd1u8(addr);
GXCmd1u32(value);
}
inline void LoadXFCmd(u16 addr, u32 value) {
GXCmd1u8(GX_FIFO_CMD_LOAD_XF_REG);
GXCmd1u16(0); // No size (single write)
GXCmd1u16(addr);
GXCmd1u32(value);
}
inline void LoadXFCmdHdr(u16 addr, u8 len) {
GXCmd1u8(GX_FIFO_CMD_LOAD_XF_REG);
GXCmd1u16(len - 1);
GXCmd1u16(addr);
}
void GDSetGenMode2(u8 numTexGens, u8 numChans, u8 numTevs, u8 numInds, GXCullMode cullMode);
inline void GDSetGenMode2Ex_BP(u8 numTexGens, u8 numChans, u8 numTevs, u8 numInds, GXCullMode cullMode) {
// clang-format off
// @note NUMCOLORS is actually three bits
LoadBPCmd(GX_BP_REG_SSMASK << GX_BP_OPCODE_SHIFT |
GX_BP_GENMODE_NUMTEX_MASK |
0b11 << GX_BP_GENMODE_NUMCOLORS_SHIFT |
GX_BP_GENMODE_NUMTEVSTAGES_MASK |
GX_BP_GENMODE_CULLMODE_MASK |
GX_BP_GENMODE_NUMINDSTAGES_MASK);
// clang-format on
// clang-format off
LoadBPCmd(
numTexGens << GX_BP_GENMODE_NUMTEX_SHIFT |
numChans << GX_BP_GENMODE_NUMCOLORS_SHIFT |
numTevs - 1 << GX_BP_GENMODE_NUMTEVSTAGES_SHIFT |
cm2hw[cullMode] << GX_BP_GENMODE_CULLMODE_SHIFT |
numInds << GX_BP_GENMODE_NUMINDSTAGES_SHIFT |
GX_BP_REG_GENMODE << GX_BP_OPCODE_SHIFT);
// clang-format on
}
void GDSetCullMode(GXCullMode cullMode);
void GDSetTexCoordScale2(
GXTexCoordID coord, u16 scaleS, GXBool biasS, GXBool wrapS, u16 scaleT, GXBool biasT, GXBool wrapT
);
void GDSetIndTexMtx(u32 id, const math::MTX34 &rMtx);
void GDResetCurrentMtx();
void GDSetCurrentMtx(const u32 *pIdArray);
void GDLoadTexMtxImm3x3(const math::MTX33 &rMtx, u32 id);
inline void GDSetChanCtrl(GXChannelID chan, u32 param, u32 lightMask) {
param &= ~(GX_XF_COLOR0CNTRL_LMASKLO_MASK | GX_XF_COLOR0CNTRL_LMASKHI_MASK);
param |= (lightMask & 0b1111) << GX_XF_COLOR0CNTRL_LMASKLO_SHIFT | ((lightMask >> 4) & 0b1111)
<< GX_XF_COLOR0CNTRL_LMASKHI_SHIFT;
LoadXFCmd(GX_XF_REG_COLOR0CNTRL + (chan & 3), param);
}
inline void GDSetChanCtrlLightOff(GXChannelID chan, u32 param, u32 lightMask) {
param &= ~(GX_XF_COLOR0CNTRL_LMASKLO_MASK | GX_XF_COLOR0CNTRL_LMASKHI_MASK | GX_XF_COLOR0CNTRL_LIGHT_MASK);
param |= (lightMask & 0b1111) << GX_XF_COLOR0CNTRL_LMASKLO_SHIFT | ((lightMask >> 4) & 0b1111)
<< GX_XF_COLOR0CNTRL_LMASKHI_SHIFT;
LoadXFCmd(GX_XF_REG_COLOR0CNTRL + (chan & 3), param);
}
inline void GDSetChanAmbColor(GXChannelID chan, GXColor color) {
LoadXFCmd(GX_XF_REG_AMBIENT0 + (chan & 1), *reinterpret_cast<u32 *>(&color));
}
inline void GDSetChanMatColor(GXChannelID chan, GXColor color) {
LoadXFCmd(GX_XF_REG_MATERIAL0 + (chan & 1), *reinterpret_cast<u32 *>(&color));
}
} // namespace fifo
} // namespace g3d
} // namespace nw4r
#endif
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