Implement gl_DepthRange using a single uniform vector.
TRAC #14504
Signed-off-by: Daniel Koch

Author:    Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/trunk@495 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/compiler/OutputHLSL.cpp b/src/compiler/OutputHLSL.cpp
index aa51ba1..57e99d2 100644
--- a/src/compiler/OutputHLSL.cpp
+++ b/src/compiler/OutputHLSL.cpp
@@ -362,7 +362,8 @@
                "    float diff;\n"
                "};\n"
                "\n"
-               "uniform gl_DepthRangeParameters gl_DepthRange;\n"
+               "uniform float3 dx_DepthRange;"
+               "static gl_DepthRangeParameters gl_DepthRange = {dx_DepthRange.x, dx_DepthRange.y, dx_DepthRange.z};\n"
                "\n";
     }