1 files changed, 31 insertions, 0 deletions
diff --git a/Test/gl_FragCoord.frag b/Test/gl_FragCoord.frag
new file mode 100644
index 00000000..7bb17920
--- /dev/null
+++ b/Test/gl_FragCoord.frag
@@ -0,0 +1,31 @@
+#version 150 core
+#extension GL_ARB_explicit_attrib_location : enable
+
+#ifdef GL_ES
+precision mediump float;
+#endif
+
+layout (origin_upper_left,pixel_center_integer) in vec4 gl_FragCoord;
+float myGlobalVar = gl_FragCoord.x;
+layout (origin_upper_left,pixel_center_integer) in vec4 gl_FragCoord;
+
+in vec4 i;
+layout (location = 0) out vec4 myColor;
+const float eps=0.001;
+
+void main() {
+    myColor = vec4(0.2);
+    if (gl_FragCoord.y >= 10) {
+        myColor.b = 0.8;
+    }
+    if (gl_FragCoord.y == trunc(gl_FragCoord.y)) {
+        myColor.g = 0.8;
+    }
+    if (gl_FragCoord.x == trunc(gl_FragCoord.x)) {
+        myColor.r = 0.8;
+    }
+
+    vec4 diff = gl_FragCoord - i;
+    if (abs(diff.z)>eps) myColor.b = 0.5;
+    if (abs(diff.w)>eps) myColor.a = 0.5;
+}