downgrade shaders to glsl 1.30

Author: HeliumAnt

Data/Base.rte/Shaders/Blit8.frag

@@ -1,5 +1,5 @@
 // Blit8.frag
-#version 330 core
+#version 130
 
 in vec2 textureUV;
 

Data/Base.rte/Shaders/Blit8.vert

@@ -1,7 +1,7 @@
-#version 330 core
+#version 130
 
-layout(location = 0) in vec2 rteVertexPosition;
-layout(location = 1) in vec2 rteTexUV;
+in vec2 rteVertexPosition;
+in vec2 rteTexUV;
 
 out vec2 textureUV;
 

Data/Base.rte/Shaders/PostProcess.frag

@@ -1,4 +1,4 @@
-#version 330 core
+#version 130
 
 in vec2 textureUV;
 

Data/Base.rte/Shaders/PostProcess.vert

@@ -1,7 +1,7 @@
-#version 330 core
+#version 130
 
-layout(location = 0) in vec2 rteVertexPosition;
-layout(location = 1) in vec2 rteTexUV;
+in vec2 rteVertexPosition;
+in vec2 rteTexUV;
 
 out vec2 textureUV;
 

Data/Base.rte/Shaders/ScreenBlit.frag

@@ -1,4 +1,4 @@
-#version 330 core
+#version 130
 
 in vec2 textureUV;
 

Data/Base.rte/Shaders/ScreenBlit.vert

@@ -1,7 +1,7 @@
-#version 330 core
+#version 130
 
-layout(location = 0) in vec2 rteVertexPosition;
-layout(location = 1) in vec2 rteTexUV;
+in vec2 rteVertexPosition;
+in vec2 rteTexUV;
 
 out vec2 textureUV;
 

Source/Managers/WindowMan.cpp

@@ -99,8 +99,8 @@ void WindowMan::Initialize() {
 
 	SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
-	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
-	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
 	CreatePrimaryWindow();
 	InitializeOpenGL();
 	CreateBackBufferTexture();