From e621efe79ff47318969c2b4f7885bfdeb83a4cf9 Mon Sep 17 00:00:00 2001
From: Matthew Owens <matthew@owens.tech>
Date: Thu, 13 Jan 2022 17:42:44 +0000
Subject: [PATCH] rlLoadShaderCode - set ShaderId variables to
 RLGL.State.default[VF]ShaderId if repesctive Code is NULL (#2281)

---
 src/rlgl.h | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/rlgl.h b/src/rlgl.h
index 37af998fc..52d8a9e83 100644
--- a/src/rlgl.h
+++ b/src/rlgl.h
@@ -3544,8 +3544,16 @@ unsigned int rlLoadShaderCode(const char *vsCode, const char *fsCode)
     unsigned int vertexShaderId = 0;
     unsigned int fragmentShaderId = 0;
 
-    if (vsCode != NULL) vertexShaderId = rlCompileShader(vsCode, GL_VERTEX_SHADER);
-    if (fsCode != NULL) fragmentShaderId = rlCompileShader(fsCode, GL_FRAGMENT_SHADER);
+    if (vsCode != NULL) {
+        vertexShaderId = rlCompileShader(vsCode, GL_VERTEX_SHADER);
+    } else {
+        vertexShaderId = RLGL.State.defaultVShaderId;
+    }
+    if (fsCode != NULL) {
+        fragmentShaderId = rlCompileShader(fsCode, GL_FRAGMENT_SHADER);
+    } else {
+        fragmentShaderId = RLGL.State.defaultFShaderId;
+    }
 
     // Load shader program if provided vertex/fragment shaders compile successfully
     if ((vertexShaderId != 0) && (fragmentShaderId != 0)) id = rlLoadShaderProgram(vertexShaderId, fragmentShaderId);