From 041bba7bc054f0281da74a85ae7542d8dff3f149 Mon Sep 17 00:00:00 2001
From: Jeffery Myers <JefMyers@blizzard.com>
Date: Tue, 15 Jun 2021 12:21:24 -0700
Subject: [PATCH] Add support for mat3/4 shader uniforms

---
 src/raylib.h | 4 +++-
 src/rlgl.h   | 3 +++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/raylib.h b/src/raylib.h
index 5b27fc4ec..197fe7907 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -776,7 +776,9 @@ typedef enum {
     SHADER_UNIFORM_IVEC2,
     SHADER_UNIFORM_IVEC3,
     SHADER_UNIFORM_IVEC4,
-    SHADER_UNIFORM_SAMPLER2D
+    SHADER_UNIFORM_SAMPLER2D,
+    SHADER_UNIFORM_MAT3,
+    SHADER_UNIFORM_MAT4
 } ShaderUniformDataType;
 
 // Pixel formats
diff --git a/src/rlgl.h b/src/rlgl.h
index 5130e5b31..5549c3fd1 100644
--- a/src/rlgl.h
+++ b/src/rlgl.h
@@ -3405,6 +3405,9 @@ void rlSetUniform(int locIndex, const void *value, int uniformType, int count)
         case SHADER_UNIFORM_IVEC3: glUniform3iv(locIndex, count, (int *)value); break;
         case SHADER_UNIFORM_IVEC4: glUniform4iv(locIndex, count, (int *)value); break;
         case SHADER_UNIFORM_SAMPLER2D: glUniform1iv(locIndex, count, (int *)value); break;
+        case SHADER_UNIFORM_MAT3: glUniformMatrix3fv(locIndex, count, GL_FALSE, (float*)value); break;
+        case SHADER_UNIFORM_MAT4: glUniformMatrix4fv(locIndex, count, GL_FALSE, (float*)value); break;
+
         default: TRACELOG(LOG_WARNING, "SHADER: Failed to set uniform value, data type not recognized");
     }
 #endif