SH-874 Revert much of the bad water bounding box and distortion texture usage changes from SNOW-643 and properly occlusion cull void water patches for machines without depth clamp.

2 files changed, 6 insertions, 3 deletions

diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index f91584b5e4..9354373dba 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -2071,11 +2071,14 @@ void LLGLDepthTest::checkState()
 	}
 }
 
-LLGLSquashToFarClip::LLGLSquashToFarClip(glh::matrix4f P)
+LLGLSquashToFarClip::LLGLSquashToFarClip(glh::matrix4f P, U32 layer)
 {
+
+	F32 depth = 0.99999f - 0.0001f * layer;
+
 	for (U32 i = 0; i < 4; i++)
 	{
-		P.element(2, i) = P.element(3, i) * 0.99999f;
+		P.element(2, i) = P.element(3, i) * depth;
 	}
 
 	glMatrixMode(GL_PROJECTION);
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index ff4e6078c9..df110613e3 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -320,7 +320,7 @@ private:
 class LLGLSquashToFarClip
 {
 public:
-	LLGLSquashToFarClip(glh::matrix4f projection);
+	LLGLSquashToFarClip(glh::matrix4f projection, U32 layer = 0);
 	~LLGLSquashToFarClip();
 };