Fix for random bad colors in UI on Intel HD 4000

1 files changed, 10 insertions, 1 deletions

diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 0ac30b4d63..41301b6c85 100755
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -2196,7 +2196,16 @@ void LLRender::texCoord2fv(const GLfloat* tc)
 
 void LLRender::color4ub(const GLubyte& r, const GLubyte& g, const GLubyte& b, const GLubyte& a)
 {
-	mColorsp[mCount] = LLColor4U(r,g,b,a);
+	if (LLGLSLShader::sNoFixedFunction && 
+		(!LLGLSLShader::sCurBoundShaderPtr || 
+		LLGLSLShader::sCurBoundShaderPtr->mAttributeMask & LLVertexBuffer::MAP_COLOR))
+	{
+		mColorsp[mCount] = LLColor4U(r,g,b,a);
+	}
+	else
+	{ //not using shaders or shader reads color from a uniform
+		diffuseColor4ub(r,g,b,a);
+	}
 }
 void LLRender::color4ubv(const GLubyte* c)
 {