diff options
Diffstat (limited to 'Source/Core/VideoCommon/VertexShaderManager.cpp')
| -rw-r--r-- | Source/Core/VideoCommon/VertexShaderManager.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Source/Core/VideoCommon/VertexShaderManager.cpp b/Source/Core/VideoCommon/VertexShaderManager.cpp index b62e2f93e3..e40eb92152 100644 --- a/Source/Core/VideoCommon/VertexShaderManager.cpp +++ b/Source/Core/VideoCommon/VertexShaderManager.cpp @@ -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; } } |