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#include "nw4r/g3d.h" // IWYU pragma: export
namespace nw4r {
namespace g3d {
namespace fifo {
void GDSetGenMode2(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
LoadXFCmd(GX_XF_REG_NUMCOLORS, numChans);
LoadXFCmd(GX_XF_REG_NUMTEX, numTexGens);
}
void GDSetCullMode(GXCullMode cullMode) {
// clang-format off
LoadBPCmd(GX_BP_REG_SSMASK << GX_BP_OPCODE_SHIFT |
GX_BP_GENMODE_CULLMODE_MASK);
// clang-format on
LoadBPCmd(cm2hw[cullMode] << GX_BP_GENMODE_CULLMODE_SHIFT);
}
void GDSetTexCoordScale2(
GXTexCoordID coord, u16 scaleS, GXBool biasS, GXBool wrapS, u16 scaleT, GXBool biasT, GXBool wrapT
) {
// clang-format off
LoadBPCmd(GX_BP_REG_SSMASK << GX_BP_OPCODE_SHIFT |
GX_BP_SU_SIZE_SCALE_MASK |
GX_BP_SU_SIZE_RANGEBIAS_MASK |
GX_BP_SU_SIZE_CYLINDRICWRAP_MASK);
// clang-format on
// clang-format off
LoadBPCmd(
scaleS - 1 << GX_BP_SU_SIZE_SCALE_SHIFT |
biasS << GX_BP_SU_SIZE_RANGEBIAS_SHIFT |
wrapS << GX_BP_SU_SIZE_CYLINDRICWRAP_SHIFT |
GX_BP_REG_SU_SSIZE0 + coord * 2 << GX_BP_OPCODE_SHIFT);
// clang-format on
// clang-format off
LoadBPCmd(
scaleT - 1 << GX_BP_SU_SIZE_SCALE_SHIFT |
biasT << GX_BP_SU_SIZE_RANGEBIAS_SHIFT |
wrapT << GX_BP_SU_SIZE_CYLINDRICWRAP_SHIFT |
GX_BP_REG_SU_TSIZE0 + coord * 2 << GX_BP_OPCODE_SHIFT);
// clang-format on
}
void GDSetIndTexMtx(u32 id, const math::MTX34 &rMtx) {
f32 m00, m01, m02, m10, m11, m12;
f32 a00, a01, a02, a10, a11, a12;
s8 scaleExp = 0;
m00 = rMtx._00;
m01 = rMtx._01;
m02 = rMtx._02;
m10 = rMtx._10;
m11 = rMtx._11;
m12 = rMtx._12;
a00 = math::FAbs(m00);
a01 = math::FAbs(m01);
a02 = math::FAbs(m02);
a10 = math::FAbs(m10);
a11 = math::FAbs(m11);
a12 = math::FAbs(m12);
if (a00 >= 1.0f || a01 >= 1.0f || a02 >= 1.0f || a10 >= 1.0f || a11 >= 1.0f || a12 >= 1.0f) {
do {
if (scaleExp >= 46) {
break;
}
scaleExp++;
m00 /= 2.0f;
m01 /= 2.0f;
m02 /= 2.0f;
m10 /= 2.0f;
m11 /= 2.0f;
m12 /= 2.0f;
a00 /= 2.0f;
a01 /= 2.0f;
a02 /= 2.0f;
a10 /= 2.0f;
a11 /= 2.0f;
a12 /= 2.0f;
} while (a00 >= 1.0f || a01 >= 1.0f || a02 >= 1.0f || a10 >= 1.0f || a11 >= 1.0f || a12 >= 1.0f);
} else if (a00 < 0.5f && a01 < 0.5f && a02 < 0.5f && a10 < 0.5f && a11 < 0.5f && a12 < 0.5f) {
do {
scaleExp--;
m00 *= 2.0f;
m01 *= 2.0f;
m02 *= 2.0f;
m10 *= 2.0f;
m11 *= 2.0f;
m12 *= 2.0f;
a00 *= 2.0f;
a01 *= 2.0f;
a02 *= 2.0f;
a10 *= 2.0f;
a11 *= 2.0f;
a12 *= 2.0f;
if (!(a00 < 0.5f) || !(a01 < 0.5f) || !(a02 < 0.5f) || !(a10 < 0.5f) || !(a11 < 0.5f) || !(a12 < 0.5f)) {
break;
}
} while (scaleExp > -17);
}
// Hardware stores as -17
scaleExp += 17;
// clang-format off
LoadBPCmd(
static_cast<u32>((static_cast<int>(1024.0f * m00) & GX_BP_INDMTXA_M00_LMASK) << GX_BP_INDMTXA_M00_SHIFT) |
static_cast<u32>((static_cast<int>(1024.0f * m10) & GX_BP_INDMTXA_M10_LMASK) << GX_BP_INDMTXA_M10_SHIFT) |
static_cast<u32>((scaleExp >> 0 & GX_BP_INDMTXA_EXP_LMASK) << GX_BP_INDMTXA_EXP_SHIFT) |
static_cast<u32>(id + GX_BP_REG_INDMTX0A << GX_BP_OPCODE_SHIFT));
LoadBPCmd(
static_cast<u32>((static_cast<int>(1024.0f * m01) & GX_BP_INDMTXB_M01_LMASK) << GX_BP_INDMTXB_M01_SHIFT) |
static_cast<u32>((static_cast<int>(1024.0f * m11) & GX_BP_INDMTXB_M11_LMASK) << GX_BP_INDMTXB_M11_SHIFT) |
static_cast<u32>((scaleExp >> 2 & GX_BP_INDMTXB_EXP_LMASK) << GX_BP_INDMTXB_EXP_SHIFT) |
static_cast<u32>((id + GX_BP_REG_INDMTX0B << GX_BP_OPCODE_SHIFT)));
LoadBPCmd(
static_cast<u32>((static_cast<int>(1024.0f * m02) & GX_BP_INDMTXC_M02_LMASK) << GX_BP_INDMTXC_M02_SHIFT) |
static_cast<u32>((static_cast<int>(1024.0f * m12) & GX_BP_INDMTXC_M12_LMASK) << GX_BP_INDMTXC_M12_SHIFT) |
static_cast<u32>((scaleExp >> 4 & GX_BP_INDMTXC_EXP_LMASK) << GX_BP_INDMTXC_EXP_SHIFT) |
static_cast<u32>(id + GX_BP_REG_INDMTX0C << GX_BP_OPCODE_SHIFT));
// clang-format on
}
void GDResetCurrentMtx() {
u32 regA = GX_PNMTX0 << GX_CP_MATRIXINDEXA_POSNRM_SHIFT | GX_IDENTITY << GX_CP_MATRIXINDEXA_TEX0_SHIFT |
GX_IDENTITY << GX_CP_MATRIXINDEXA_TEX1_SHIFT | GX_IDENTITY << GX_CP_MATRIXINDEXA_TEX2_SHIFT |
GX_IDENTITY << GX_CP_MATRIXINDEXA_TEX3_SHIFT;
u32 regB = GX_IDENTITY << GX_CP_MATRIXINDEXB_TEX4_SHIFT | GX_IDENTITY << GX_CP_MATRIXINDEXB_TEX5_SHIFT |
GX_IDENTITY << GX_CP_MATRIXINDEXB_TEX6_SHIFT | GX_IDENTITY << GX_CP_MATRIXINDEXB_TEX7_SHIFT;
LoadCPCmd(GX_CP_REG_MATRIXINDEXA, regA);
LoadCPCmd(GX_CP_REG_MATRIXINDEXB, regB);
LoadXFCmdHdr(GX_XF_REG_MATRIXINDEX0, 2);
GXCmd1u32(regA);
GXCmd1u32(regB);
}
void GDSetCurrentMtx(const u32 *pIdArray) {
u32 regA = pIdArray[0] << GX_CP_MATRIXINDEXA_TEX0_SHIFT | pIdArray[1] << GX_CP_MATRIXINDEXA_TEX1_SHIFT |
pIdArray[2] << GX_CP_MATRIXINDEXA_TEX2_SHIFT | pIdArray[3] << GX_CP_MATRIXINDEXA_TEX3_SHIFT;
u32 regB = pIdArray[4] << GX_CP_MATRIXINDEXB_TEX4_SHIFT | pIdArray[5] << GX_CP_MATRIXINDEXB_TEX5_SHIFT |
pIdArray[6] << GX_CP_MATRIXINDEXB_TEX6_SHIFT | pIdArray[7] << GX_CP_MATRIXINDEXB_TEX7_SHIFT;
LoadXFCmdHdr(GX_XF_REG_MATRIXINDEX0, 2);
GXCmd1u32(regA);
GXCmd1u32(regB);
}
void GDLoadTexMtxImm3x3(const math::MTX33 &rMtx, u32 id) {
math::MTX34 mtx;
const math::MTX33 *pMtx = &rMtx;
mtx._00 = pMtx->_00;
mtx._01 = pMtx->_01;
mtx._02 = pMtx->_02;
mtx._03 = 0.0f;
mtx._10 = pMtx->_10;
mtx._11 = pMtx->_11;
mtx._12 = pMtx->_12;
mtx._13 = 0.0f;
mtx._20 = pMtx->_20;
mtx._21 = pMtx->_21;
mtx._22 = pMtx->_22;
mtx._23 = 0.0f;
GXLoadTexMtxImm(mtx, id, GX_MTX3x4);
}
} // namespace fifo
} // namespace g3d
} // namespace nw4r
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