From 04ab1a3420b46af046a898ee5510e0d9b25ed24c Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Sun, 27 Aug 2017 20:24:28 +0500
Subject: 2017-08-27

---
 cwd/shaders/gui.fs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 cwd/shaders/gui.fs

(limited to 'cwd/shaders/gui.fs')

diff --git a/cwd/shaders/gui.fs b/cwd/shaders/gui.fs
new file mode 100644
index 0000000..95196b9
--- /dev/null
+++ b/cwd/shaders/gui.fs
@@ -0,0 +1,21 @@
+#version 330 core
+
+in vec2 uv;
+
+uniform vec4 widgetTexture;
+uniform sampler2D textureAtlas;
+
+vec2 TransformTextureCoord(vec4 TextureAtlasCoords, vec2 UvCoords) {
+    float x = TextureAtlasCoords.x;
+    float y = TextureAtlasCoords.y;
+    float w = TextureAtlasCoords.z;
+    float h = TextureAtlasCoords.w;
+    vec2 A = vec2(x, 1 - y - h);
+    vec2 B = vec2(x + w, 1 - y);
+    return A + UvCoords * (B - A);
+}
+
+void main(){
+    vec4 color = texture(textureAtlas,TransformTextureCoord(widgetTexture,uv));
+    gl_FragColor = color;
+}
\ No newline at end of file
-- 
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