gl_rasterizer: Fake render in green, because it's cooler.

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -289,7 +289,7 @@ out vec4 color;
 uniform sampler2D color_texture;
 
 void main() {
-    color = vec4(1.0, 0.0, 0.0, 1.0);
+    color = vec4(1.0, 0.0, 1.0, 0.0);
 }
 )";