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fix(gx): removed DirectXMath-less matrix multiplication shim

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This commit is contained in:
superp00t 2024-09-10 20:21:03 -04:00
parent 90a75ca55c
commit 7240aa5dd2
1 changed files with 0 additions and 39 deletions
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39
src/gx/d3d/CGxDeviceD3d.cpp
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@ -2022,8 +2022,6 @@ UNLOCK:
}
void CGxDeviceD3d::IXformSetProjection(const C44Matrix& matrix) {
#if defined(_MSC_VER)
// This is the correct way
DirectX::XMMATRIX projNative;
memcpy(&projNative, &matrix, sizeof(projNative));
@ -2057,43 +2055,6 @@ void CGxDeviceD3d::IXformSetProjection(const C44Matrix& matrix) {
this->m_xforms[GxXform_Projection].m_dirty = 1;
memcpy(&this->m_projNative, &projNative, sizeof(this->m_projNative));
#else
// Without the DirectX::XMMATRIX, we can soldier on
// with a Tempest matrix
C44Matrix projNative;
memcpy(&projNative, &matrix, sizeof(projNative));
if (NotEqual(projNative.c3, 1.0f, WHOA_EPSILON_1) && NotEqual(projNative.c3, 0.0f, WHOA_EPSILON_1)) {
projNative = projNative * (1.0f / projNative.c3);
}
if (projNative.d3 == 0.0f) {
auto v5 = -(projNative.d2 / (projNative.c2 + 1.0f));
auto v6 = -(projNative.d2 / (projNative.c2 - 1.0f));
projNative.c2 = v6 / (v6 - v5);
projNative.d2 = v6 * v5 / (v5 - v6);
} else {
auto v8 = 1.0f / projNative.c2;
auto v9 = (-1.0f - projNative.d2) * v8;
auto v10 = v8 * (1.0f - projNative.d2);
projNative.c2 = 1.0f / (v10 - v9);
projNative.d2 = v9 / (v9 - v10);
}
if (!this->MasterEnable(GxMasterEnable_NormalProjection) && projNative.d3 != 1.0f) {
C44Matrix shrink = {
0.2f, 0.0f, 0.0f, 0.0f,
0.0f, 0.2f, 0.0f, 0.0f,
0.0f, 0.0f, 0.2f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f
};
projNative = projNative * shrink;
}
this->m_xforms[GxXform_Projection].m_dirty = 1;
memcpy(&this->m_projNative, &projNative, sizeof(this->m_projNative));
#endif
}
void CGxDeviceD3d::IXformSetViewport() {