From 36dbb037c60e91f4276c38d965bdd7a1498b28c1 Mon Sep 17 00:00:00 2001
From: saschawillems <webmaster@saschawillems.de>
Date: Tue, 20 Feb 2018 19:28:44 +0100
Subject: [PATCH] Debug quad shader

Fixes #424
---
 data/shaders/shadowmapping/quad.vert     |  19 +++----------------
 data/shaders/shadowmapping/quad.vert.spv | Bin 1304 -> 880 bytes
 2 files changed, 3 insertions(+), 16 deletions(-)

diff --git a/data/shaders/shadowmapping/quad.vert b/data/shaders/shadowmapping/quad.vert
index 3f7fe733..e9360b69 100644
--- a/data/shaders/shadowmapping/quad.vert
+++ b/data/shaders/shadowmapping/quad.vert
@@ -1,27 +1,14 @@
 #version 450
 
-#extension GL_ARB_separate_shader_objects : enable
-#extension GL_ARB_shading_language_420pack : enable
-
-layout (location = 0) in vec3 inPos;
-layout (location = 1) in vec2 inUV;
-
-layout (binding = 0) uniform UBO 
-{
-	mat4 projection;
-	mat4 model;
-} ubo;
-
 layout (location = 0) out vec2 outUV;
 
 out gl_PerVertex 
 {
-    vec4 gl_Position;   
+	vec4 gl_Position;   
 };
 
-
 void main() 
 {
-	outUV = inUV;
-	gl_Position = ubo.projection * ubo.model * vec4(inPos.xyz, 1.0);
+	outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
+	gl_Position = vec4(outUV, 0.0f, 1.0f);
 }
diff --git a/data/shaders/shadowmapping/quad.vert.spv b/data/shaders/shadowmapping/quad.vert.spv
index dbaf4b667cef2cf68c1e0119e144d7a8251fc931..74758aa22a68bfdcfacd9d9ee236239b8a4b43b7 100644
GIT binary patch
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