From 7b94f02f55bee062ca46ea49da1aedef437da749 Mon Sep 17 00:00:00 2001
From: miku-666 <74728189+NessieHax@users.noreply.github.com>
Date: Wed, 31 Jan 2024 19:59:37 +0100
Subject: [PATCH] Shader - Add link and validate functions

---
 PCK-Studio/Rendering/Shader.cs | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/PCK-Studio/Rendering/Shader.cs b/PCK-Studio/Rendering/Shader.cs
index e8b526fa..906924cb 100644
--- a/PCK-Studio/Rendering/Shader.cs
+++ b/PCK-Studio/Rendering/Shader.cs
@@ -103,6 +103,22 @@ namespace PckStudio.Rendering
                 );
         }
 
+        private bool Link()
+        {
+            GL.LinkProgram(_programId);
+            GL.GetProgram(_programId, GetProgramParameterName.LinkStatus, out int status);
+            return status != 0;
+        }
+
+        public bool Validate()
+        {
+            GL.ValidateProgram(_programId);
+            GL.GetProgram(_programId, GetProgramParameterName.ValidateStatus, out int status);
+            if (status == 0)
+                Debug.WriteLine(GL.GetProgramInfoLog(_programId), category: nameof(Shader));
+            return status != 0;
+        }
+
         public static Shader Create(params ShaderSource[] shaderSources)
         {
             int programId = GL.CreateProgram();
@@ -115,16 +131,15 @@ namespace PckStudio.Rendering
                 GL.AttachShader(programId, shaderId);
                 shaderIds.Add(shaderId);
             }
-            GL.LinkProgram(programId);
-            GL.ValidateProgram(programId);
-
-            Debug.WriteLine(GL.GetProgramInfoLog(programId), category: nameof(Shader));
 
+            var shader = new Shader(programId);
+            shader.Link();
+            
             foreach (var shaderId in shaderIds)
             {
                 GL.DeleteShader(shaderId);
             }
-            return new Shader(programId);
+            return shader;
         }
 
     }