Merge pull request #1787 from Armada651/fix-3dvision

VertexShaderManager: Turn off the epsilon hack for Nvidia 3D Vision.

1 files changed, 4 insertions, 1 deletions

diff --git a/Source/Core/VideoCommon/VertexShaderManager.cpp b/Source/Core/VideoCommon/VertexShaderManager.cpp
index 542328e523..4ca20a21f4 100644
--- a/Source/Core/VideoCommon/VertexShaderManager.cpp
+++ b/Source/Core/VideoCommon/VertexShaderManager.cpp
@@ -456,7 +456,10 @@ void VertexShaderManager::SetConstants()
 			g_fProjectionMatrix[13] = 0.0f;
 
 			g_fProjectionMatrix[14] = 0.0f;
-			g_fProjectionMatrix[15] = 1.0f + FLT_EPSILON; // hack to fix depth clipping precision issues (such as Sonic Unleashed UI)
+
+			// Hack to fix depth clipping precision issues (such as Sonic Unleashed UI)
+			// Turn it off for Nvidia 3D Vision, because it can't handle such a projection matrix
+			g_fProjectionMatrix[15] = (g_ActiveConfig.iStereoMode == STEREO_3DVISION) ? 1.0f : 1.0f + FLT_EPSILON;
 
 			SETSTAT_FT(stats.g2proj_0, g_fProjectionMatrix[0]);
 			SETSTAT_FT(stats.g2proj_1, g_fProjectionMatrix[1]);