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#include <sdk_math.h>
#include <revolution/gx.h>
#include <revolution/os.h>
#include "__gx.h"
void GXSetFog(GXFogType type, f32 startz, f32 endz, f32 nearz, f32 farz, GXColor color) {
u32 fogclr;
u32 fog0;
u32 fog1;
u32 fog2;
u32 fog3;
f32 A;
f32 B;
f32 B_mant;
f32 C;
f32 a;
f32 c;
u32 B_expn;
u32 b_m;
u32 b_s;
u32 a_hex;
u32 c_hex;
u32 fsel;
u32 proj;
u32 rgba;
fogclr = 0;
fog0 = 0;
fog1 = 0;
fog2 = 0;
fog3 = 0;
CHECK_GXBEGIN(152, "GXSetFog");
ASSERTMSGLINE(154, farz >= 0.0f, "GXSetFog: The farz should be positive value");
ASSERTMSGLINE(155, farz >= nearz, "GXSetFog: The farz should be larger than nearz");
fsel = type & 7;
proj = (type >> 3) & 1;
if (proj) {
if (farz == nearz || endz == startz) {
a = 0.0f;
c = 0.0f;
} else {
A = (1.0f / (endz - startz));
a = A * (farz - nearz);
c = A * (startz - nearz);
}
} else {
if (farz == nearz || endz == startz) {
A = 0.0f;
B = 0.5f;
C = 0.0f;
} else {
A = (farz * nearz) / ((farz - nearz) * (endz - startz));
B = farz / (farz - nearz);
C = startz / (endz - startz);
}
B_mant = B;
B_expn = 0;
while (B_mant > 1.0) {
B_mant /= 2.0f;
B_expn++;
}
while (B_mant > 0.0f && B_mant < 0.5) {
B_mant *= 2.0f;
B_expn--;
}
a = A / (f32) (1 << (B_expn + 1));
b_m = 8.388638e6f * B_mant;
b_s = B_expn + 1;
c = C;
SET_REG_FIELD(212, fog1, 24, 0, b_m);
SET_REG_FIELD(212, fog1, 8, 24, 0xEF);
SET_REG_FIELD(215, fog2, 5, 0, b_s);
SET_REG_FIELD(215, fog2, 8, 24, 0xF0);
GX_WRITE_RAS_REG(fog1);
GX_WRITE_RAS_REG(fog2);
}
a_hex = *(u32*)&a;
c_hex = *(u32*)&c;
SET_REG_FIELD(226, fog0, 11, 0, (a_hex >> 12) & 0x7FF);
SET_REG_FIELD(227, fog0, 8, 11, (a_hex >> 23) & 0xFF);
SET_REG_FIELD(228, fog0, 1, 19, (a_hex >> 31));
SET_REG_FIELD(228, fog0, 8, 24, 0xEE);
SET_REG_FIELD(231, fog3, 11, 0, (c_hex >> 12) & 0x7FF);
SET_REG_FIELD(232, fog3, 8, 11, (c_hex >> 23) & 0xFF);
SET_REG_FIELD(233, fog3, 1, 19, (c_hex >> 31));
SET_REG_FIELD(234, fog3, 1, 20, proj);
SET_REG_FIELD(235, fog3, 3, 21, fsel);
SET_REG_FIELD(236, fog3, 8, 24, 0xF1);
rgba = *(u32*)&color;
SET_REG_FIELD(239, fogclr, 24, 0, rgba >> 8);
SET_REG_FIELD(240, fogclr, 8, 24, 0xF2);
GX_WRITE_RAS_REG(fog0);
GX_WRITE_RAS_REG(fog3);
GX_WRITE_RAS_REG(fogclr);
__GXData->bpSentNot = 0;
}
void GXSetFogColor(GXColor color) {
u32 rgba;
u32 fogclr = 0xF2000000;
rgba = *(u32*)&color;
SET_REG_FIELD(250, fogclr, 24, 0, rgba >> 8);
GX_WRITE_RAS_REG(fogclr);
__GXData->bpSentNot = 0;
}
void GXInitFogAdjTable(GXFogAdjTable *table, u16 width, const f32 projmtx[4][4]) {
f32 xi;
f32 iw;
f32 rangeVal;
f32 nearZ;
f32 sideX;
u32 i;
CHECK_GXBEGIN(275, "GXInitFogAdjTable");
ASSERTMSGLINE(276, table != NULL, "GXInitFogAdjTable: table pointer is null");
ASSERTMSGLINE(277, width <= 640, "GXInitFogAdjTable: invalid width value");
if (0.0 == projmtx[3][3]) {
nearZ = projmtx[2][3] / (projmtx[2][2] - 1.0f);
sideX = nearZ / projmtx[0][0];
} else {
sideX = 1.0f / projmtx[0][0];
nearZ = 1.73205f * sideX;
}
iw = 2.0f / width;
for (i = 0; i < 10; i++) {
xi = (i + 1) << 5;
xi *= iw;
xi *= sideX;
rangeVal = sqrtf(1.0f + ((xi * xi) / (nearZ * nearZ)));
table->r[i] = (u32)(256.0f * rangeVal) & 0xFFF;
}
}
void GXSetFogRangeAdj(GXBool enable, u16 center, const GXFogAdjTable *table) {
u32 i;
u32 range_adj;
u32 range_c;
CHECK_GXBEGIN(347, "GXSetFogRangeAdj");
if (enable) {
ASSERTMSGLINE(350, table != NULL, "GXSetFogRangeAdj: table pointer is null");
for (i = 0; i < 10; i += 2) {
range_adj = 0;
SET_REG_FIELD(354, range_adj, 12, 0, table->r[i]);
SET_REG_FIELD(355, range_adj, 12, 12, table->r[i + 1]);
SET_REG_FIELD(356, range_adj, 8, 24, (i >> 1) + 0xE9);
GX_WRITE_RAS_REG(range_adj);
}
}
range_c = 0;
SET_REG_FIELD(362, range_c, 10, 0, center + 342);
SET_REG_FIELD(363, range_c, 1, 10, enable);
SET_REG_FIELD(364, range_c, 8, 24, 0xE8);
GX_WRITE_RAS_REG(range_c);
__GXData->bpSentNot = 0;
}
void GXSetBlendMode(GXBlendMode type, GXBlendFactor src_factor, GXBlendFactor dst_factor, GXLogicOp op) {
u32 reg;
u32 blend_en;
CHECK_GXBEGIN(391, "GXSetBlendMode");
reg = __GXData->cmode0;
#if DEBUG
blend_en = type == GX_BM_BLEND || type == GX_BM_SUBTRACT;
#endif
SET_REG_FIELD(405, reg, 1, 11, (type == GX_BM_SUBTRACT));
#if DEBUG
SET_REG_FIELD(408, reg, 1, 0, blend_en);
#else
SET_REG_FIELD(408, reg, 1, 0, type);
#endif
SET_REG_FIELD(409, reg, 1, 1, (type == GX_BM_LOGIC));
SET_REG_FIELD(410, reg, 4, 12, op);
SET_REG_FIELD(411, reg, 3, 8, src_factor);
SET_REG_FIELD(412, reg, 3, 5, dst_factor);
GX_WRITE_RAS_REG(reg);
__GXData->cmode0 = reg;
__GXData->bpSentNot = 0;
}
void GXSetColorUpdate(GXBool update_enable) {
u32 reg;
CHECK_GXBEGIN(435, "GXSetColorUpdate");
reg = __GXData->cmode0;
SET_REG_FIELD(437, reg, 1, 3, update_enable);
GX_WRITE_RAS_REG(reg);
__GXData->cmode0 = reg;
__GXData->bpSentNot = 0;
}
void GXSetAlphaUpdate(GXBool update_enable) {
u32 reg;
CHECK_GXBEGIN(474, "GXSetAlphaUpdate");
reg = __GXData->cmode0;
SET_REG_FIELD(476, reg, 1, 4, update_enable);
GX_WRITE_RAS_REG(reg);
__GXData->cmode0 = reg;
__GXData->bpSentNot = 0;
}
void GXSetZMode(GXBool compare_enable, GXCompare func, GXBool update_enable) {
u32 reg;
CHECK_GXBEGIN(517, "GXSetZMode");
reg = __GXData->zmode;
SET_REG_FIELD(520, reg, 1, 0, compare_enable);
SET_REG_FIELD(521, reg, 3, 1, func);
SET_REG_FIELD(522, reg, 1, 4, update_enable);
GX_WRITE_RAS_REG(reg);
__GXData->zmode = reg;
__GXData->bpSentNot = 0;
}
void GXSetZCompLoc(GXBool before_tex) {
CHECK_GXBEGIN(532, "GXSetZCompLoc");
SET_REG_FIELD(533, __GXData->peCtrl, 1, 6, before_tex);
GX_WRITE_RAS_REG(__GXData->peCtrl);
__GXData->bpSentNot = 0;
}
void GXSetPixelFmt(GXPixelFmt pix_fmt, GXZFmt16 z_fmt) {
u32 oldPeCtrl;
u8 aa;
static u32 p2f[8] = { 0, 1, 2, 3, 4, 4, 4, 5 };
CHECK_GXBEGIN(569, "GXSetPixelFmt");
oldPeCtrl = __GXData->peCtrl;
ASSERTMSGLINE(573, pix_fmt >= GX_PF_RGB8_Z24 && pix_fmt <= GX_PF_YUV420, "Invalid Pixel format");
SET_REG_FIELD(575, __GXData->peCtrl, 3, 0, p2f[pix_fmt]);
SET_REG_FIELD(576, __GXData->peCtrl, 3, 3, z_fmt);
if (oldPeCtrl != __GXData->peCtrl) {
GX_WRITE_RAS_REG(__GXData->peCtrl);
aa = ((pix_fmt == GX_PF_RGB565_Z16) ? GX_TRUE : GX_FALSE);
SET_REG_FIELD(585, __GXData->genMode, 1, 9, aa);
__GXData->dirtyState |= 4;
}
if (p2f[pix_fmt] == 4) {
SET_REG_FIELD(592, __GXData->cmode1, 2, 9, (pix_fmt - 4) & 0x3);
SET_REG_FIELD(592, __GXData->cmode1, 8, 24, 0x42);
GX_WRITE_RAS_REG(__GXData->cmode1);
}
__GXData->bpSentNot = 0;
}
void GXSetDither(GXBool dither) {
u32 reg;
CHECK_GXBEGIN(634, "GXSetDither");
reg = __GXData->cmode0;
SET_REG_FIELD(637, reg, 1, 2, dither);
GX_WRITE_RAS_REG(reg);
__GXData->cmode0 = reg;
__GXData->bpSentNot = 0;
}
void GXSetDstAlpha(GXBool enable, u8 alpha) {
u32 reg;
CHECK_GXBEGIN(675, "GXSetDstAlpha");
reg = __GXData->cmode1;
SET_REG_FIELD(678, reg, 8, 0, alpha);
SET_REG_FIELD(679, reg, 1, 8, enable);
GX_WRITE_RAS_REG(reg);
__GXData->cmode1 = reg;
__GXData->bpSentNot = 0;
}
void GXSetFieldMask(GXBool odd_mask, GXBool even_mask) {
u32 reg;
CHECK_GXBEGIN(702, "GXSetFieldMask");
reg = 0;
SET_REG_FIELD(704, reg, 1, 0, even_mask);
SET_REG_FIELD(705, reg, 1, 1, odd_mask);
SET_REG_FIELD(705, reg, 8, 24, 0x44);
GX_WRITE_RAS_REG(reg);
__GXData->bpSentNot = 0;
}
void GXSetFieldMode(GXBool field_mode, GXBool half_aspect_ratio) {
u32 reg;
CHECK_GXBEGIN(731, "GXSetFieldMode");
SET_REG_FIELD(735, __GXData->lpSize, 1, 22, half_aspect_ratio);
GX_WRITE_RAS_REG(__GXData->lpSize);
__GXFlushTextureState();
reg = field_mode | 0x68000000;
GX_WRITE_RAS_REG(reg);
__GXFlushTextureState();
}
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