4 files changed, 8 insertions, 4 deletions
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index d6ab5208c6..5a6f3d8292 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -1009,9 +1009,8 @@ void LLGLSLShader::vertexAttrib4fv(U32 index, GLfloat* v)
 	}
 }
 
-void LLGLSLShader::setAlphaRange(F32 minimum, F32 maximum)
+void LLGLSLShader::setMinimumAlpha(F32 minimum)
 {
 	gGL.flush();
-	uniform1f("minimum_alpha", minimum);
-	uniform1f("maximum_alpha", maximum);
+	uniform1f(LLShaderMgr::MINIMUM_ALPHA, minimum);
 }
diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h
index eb19599eca..2a6c050eac 100644
--- a/indra/llrender/llglslshader.h
+++ b/indra/llrender/llglslshader.h
@@ -108,7 +108,7 @@ public:
 	void uniformMatrix3fv(const std::string& uniform, U32 count, GLboolean transpose, const GLfloat *v);
 	void uniformMatrix4fv(const std::string& uniform, U32 count, GLboolean transpose, const GLfloat *v);
 
-	void setAlphaRange(F32 minimum, F32 maximum);
+	void setMinimumAlpha(F32 minimum);
 
 	void vertexAttrib4f(U32 index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
 	void vertexAttrib4fv(U32 index, GLfloat* v);
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 810afe210d..84dc768983 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -1009,6 +1009,9 @@ void LLShaderMgr::initAttribsAndUniforms()
 
 	llassert(mReservedUniforms.size() == LLShaderMgr::GLOW_DELTA+1);
 
+
+	mReservedUniforms.push_back("minimum_alpha");
+
 	mReservedUniforms.push_back("shadow_matrix");
 	mReservedUniforms.push_back("env_mat");
 	mReservedUniforms.push_back("shadow_clip");
diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h
index 9cc2f1bd7f..a5150b3e51 100644
--- a/indra/llrender/llshadermgr.h
+++ b/indra/llrender/llshadermgr.h
@@ -107,6 +107,8 @@ public:
 		GLOW_STRENGTH,
 		GLOW_DELTA,
 
+		MINIMUM_ALPHA,
+
 		DEFERRED_SHADOW_MATRIX,
 		DEFERRED_ENV_MAT,
 		DEFERRED_SHADOW_CLIP,