Use only one shader program for all drawing.

1 files changed, 3 insertions, 1 deletions

diff --git a/data/graphics/shaders/simple_vertex.glsl b/data/graphics/shaders/simple_vertex.glsl
index 3be44c6d8..a10a39b13 100644
--- a/data/graphics/shaders/simple_vertex.glsl
+++ b/data/graphics/shaders/simple_vertex.glsl
@@ -1,7 +1,9 @@
 #version 150 core
-in vec2 position;
+in vec4 position;
+out vec2 Texcoord;
 uniform vec2 screen;
 void main()
 {
+    Texcoord = vec2(position.z, position.w);
     gl_Position = vec4(position.x / screen.x - 1, 1 - position.y / screen.y, 0.0, 1.0);
 }