Added basic UI shaders

2 files changed, 26 insertions, 0 deletions

diff --git a/Shaders/ui.frag b/Shaders/ui.frag
new file mode 100644
index 0000000..737344e
--- /dev/null
+++ b/Shaders/ui.frag
@@ -0,0 +1,12 @@
+uniform sampler2D sampler;
+
+varying vec2 texCoord;
+varying vec4 color;
+
+void main(){
+    vec4 pixelColor = texture2D(sampler, vec2(texCoord.x, texCoord.y));
+    //TODO allow antialiasing
+	//if (pixelColor.w != 1.0f)
+	//	discard;
+	gl_FragColor = pixelColor * color;
+}
diff --git a/Shaders/ui.vert b/Shaders/ui.vert
new file mode 100644
index 0000000..b2fcba4
--- /dev/null
+++ b/Shaders/ui.vert
@@ -0,0 +1,14 @@
+attribute vec3 coord2d;
+attribute vec2 tex_coord;
+
+uniform mat4 ortho;
+uniform vec4 tex_color;
+
+varying vec2 texCoord;
+varying vec4 color;
+
+void main(){
+    texCoord = tex_coord;
+    color = tex_color;
+    gl_Position = ortho * vec4(coord2d.xyz, 1.0);
+}