From b14428548163b00cb9f98c7aa98aa03ad93c6676 Mon Sep 17 00:00:00 2001
From: Milan Nikolic <gen2brain@gmail.com>
Date: Wed, 23 Mar 2022 14:03:16 +0100
Subject: [PATCH] Allow passing nil to LoadShader, issue #172

---
 raylib/rlgl.go | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/raylib/rlgl.go b/raylib/rlgl.go
index 63881a3..2a662a1 100644
--- a/raylib/rlgl.go
+++ b/raylib/rlgl.go
@@ -24,15 +24,17 @@ func LoadShader(vsFileName string, fsFileName string) Shader {
 	cfsFileName := C.CString(fsFileName)
 	defer C.free(unsafe.Pointer(cfsFileName))
 
-	var v Shader
 	if vsFileName == "" {
-		ret := C.LoadShader(nil, cfsFileName)
-		v = newShaderFromPointer(unsafe.Pointer(&ret))
-	} else {
-		ret := C.LoadShader(cvsFileName, cfsFileName)
-		v = newShaderFromPointer(unsafe.Pointer(&ret))
+		cvsFileName = nil
 	}
 
+	if fsFileName == "" {
+		cfsFileName = nil
+	}
+
+	ret := C.LoadShader(cvsFileName, cfsFileName)
+	v := newShaderFromPointer(unsafe.Pointer(&ret))
+
 	return v
 }
 
@@ -44,6 +46,14 @@ func LoadShaderFromMemory(vsCode string, fsCode string) Shader {
 	cfsCode := C.CString(fsCode)
 	defer C.free(unsafe.Pointer(cfsCode))
 
+	if vsCode == "" {
+		cvsCode = nil
+	}
+
+	if fsCode == "" {
+		cfsCode = nil
+	}
+
 	ret := C.LoadShaderFromMemory(cvsCode, cfsCode)
 	v := newShaderFromPointer(unsafe.Pointer(&ret))