From 6c268e0f98722c3253366b639a3a0abe37c8835d Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sun, 12 Dec 2021 16:12:01 +0000
Subject: Introduce the UI shader

---
 gfx/gl/shaders/uiShader.fs | 11 +++++++++++
 gfx/gl/shaders/uiShader.vs | 13 +++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 gfx/gl/shaders/uiShader.fs
 create mode 100644 gfx/gl/shaders/uiShader.vs

(limited to 'gfx/gl/shaders')

diff --git a/gfx/gl/shaders/uiShader.fs b/gfx/gl/shaders/uiShader.fs
new file mode 100644
index 0000000..907c4f1
--- /dev/null
+++ b/gfx/gl/shaders/uiShader.fs
@@ -0,0 +1,11 @@
+#version 130
+
+in vec2 texCoord0;
+
+uniform sampler2D sampler;
+
+void
+main()
+{
+	gl_FragColor = texture(sampler, texCoord0);
+}
diff --git a/gfx/gl/shaders/uiShader.vs b/gfx/gl/shaders/uiShader.vs
new file mode 100644
index 0000000..0d00fed
--- /dev/null
+++ b/gfx/gl/shaders/uiShader.vs
@@ -0,0 +1,13 @@
+#version 130
+
+in vec4 position;
+
+out vec2 texCoord0;
+uniform mat4 uiProjection;
+
+void
+main()
+{
+	gl_Position = uiProjection * vec4(position.xy, 0.0, 1.0);
+	texCoord0 = position.zw;
+}
-- 
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