From e66fd6c2a000e2fd5130d3c127df112ca473ecea Mon Sep 17 00:00:00 2001
From: Sidney Just <sidney.just@gmail.com>
Date: Mon, 12 Mar 2018 00:59:06 +1000
Subject: [PATCH] Added generation of the textureXYZGrad() legacy GLSL
 instruction

---
 spirv_glsl.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/spirv_glsl.cpp b/spirv_glsl.cpp
index d515c37c..1f4dd6c3 100644
--- a/spirv_glsl.cpp
+++ b/spirv_glsl.cpp
@@ -3384,6 +3384,8 @@ string CompilerGLSL::legacy_tex_op(const std::string &op, const SPIRType &imgtyp
 	}
 	else if (op == "textureProj")
 		return join("texture", type, "Proj");
+	else if (op == "textureGrad")
+		return join("texture", type, "Grad");
 	else if (op == "textureProjLod")
 	{
 		if (use_explicit_lod)