From e86628884b65b47048cf46eebf3dd80c5d40a9d7 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@collabora.com>
Date: Thu, 10 Oct 2019 13:04:16 +0100
Subject: [PATCH] comp: Add disabled shader debugging code

---
 src/xrt/compositor/shaders/mesh.frag | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/xrt/compositor/shaders/mesh.frag b/src/xrt/compositor/shaders/mesh.frag
index 2248808d7..21656d95a 100644
--- a/src/xrt/compositor/shaders/mesh.frag
+++ b/src/xrt/compositor/shaders/mesh.frag
@@ -34,5 +34,17 @@ layout (location = 0) out vec4 outColor;
 void main()
 {
 	vec3 color = texture(texSampler, inUV).xyz;
-	outColor = vec4(color,1.0);
+
+#if 0
+	if (inUV.x < 0.0 || inUV.x > 1.0 || inUV.y < 0.0 || inUV.y > 1.0) {
+		color = vec3(1.0, 0.0, 1.0);
+	} else {
+		float t = floor(inUV.x * 16) + floor(inUV.y * 16);
+		bool isEven = mod(t, 2.0) == 0.0;
+		// color = color * float(isEven);
+		color = vec3(isEven, isEven, isEven);
+	}
+#endif
+
+	outColor = vec4(color, 1.0);
 }