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VertexShaderManager: Compute stereoscopy projection matrices.

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This commit is contained in:
Jules Blok
2014-10-26 19:17:00 +01:00
parent c64486075d
commit f6ea293027
10 changed files with 52 additions and 8 deletions
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24
Source/Core/VideoCommon/VertexShaderManager.cpp
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@ -512,6 +512,30 @@ void VertexShaderManager::SetConstants()
Matrix44::Multiply(s_viewportCorrection, projMtx, correctedMtx);
memcpy(constants.projection, correctedMtx.data, 4*16);
}
if (g_ActiveConfig.bStereo && xfmem.projection.type == GX_PERSPECTIVE)
{
Matrix44 projMtx;
Matrix44::Set(projMtx, g_fProjectionMatrix);
Matrix44 leftShearMtx, rightShearMtx;
Matrix44::Shear(leftShearMtx, g_ActiveConfig.iStereoSeparation / (200.0f * g_ActiveConfig.iStereoFocalLength));
Matrix44::Shear(rightShearMtx, -g_ActiveConfig.iStereoSeparation / (200.0f * g_ActiveConfig.iStereoFocalLength));
Matrix44 leftProjMtx, rightProjMtx, leftCorrectedMtx, rightCorrectedMtx;
Matrix44::Multiply(projMtx, leftShearMtx, leftProjMtx);
Matrix44::Multiply(s_viewportCorrection, leftProjMtx, leftCorrectedMtx);
Matrix44::Multiply(projMtx, rightShearMtx, rightProjMtx);
Matrix44::Multiply(s_viewportCorrection, rightProjMtx, rightCorrectedMtx);
memcpy(constants.stereoprojection, leftCorrectedMtx.data, 4*16);
memcpy(constants.stereoprojection + 4, rightCorrectedMtx.data, 4*16);
}
else
{
memcpy(constants.stereoprojection, constants.projection, 4 * 16);
memcpy(constants.stereoprojection + 4, constants.projection, 4 * 16);
}
dirty = true;
}
}