Move text rendering shaders out of line.

[mandelwow.git] / shaders / text.vert

diff --git a/shaders/text.vert b/shaders/text.vert
new file mode 100644 (file)
index 0000000..e3544f7
--- /dev/null
+++ b/shaders/text.vert
@@ -0,0 +1,20 @@
+#version 140
+
+uniform mat4 model;
+uniform mat4 perspview;
+uniform int index;
+
+in vec2 position;
+in vec2 tex_coords;
+
+out vec2 v_tex_coords;
+out ivec4 v_fgcolor;
+
+void main() {
+    gl_Position = perspview * model * vec4(position, 0.0, 1.0);
+
+    // Characters are arranged in a 16x16 square.
+    int xpos = index % 16;
+    int ypos = index / 16;
+    v_tex_coords = (tex_coords + vec2(xpos, ypos)) / 16.;
+}