X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=shaders%2Ftext.vert;fp=shaders%2Ftext.vert;h=e3544f72e99a5cf510113c4260d055b0b8204799;hb=45391f3ccaa74be2be93e4b31507f45939afa4b0;hp=0000000000000000000000000000000000000000;hpb=147dc8ea810d9be0f965b1b80a208956f944d7fc;p=mandelwow.git

diff --git a/shaders/text.vert b/shaders/text.vert
new file mode 100644
index 0000000..e3544f7
--- /dev/null
+++ b/shaders/text.vert
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+#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.;
+}