[RELEASE] u22-v03

This version is submitted to U22 breau.

core/loshader/hud_text.vshader

@@ -0,0 +1,33 @@
+layout (location = 0) in vec2 i_pos;
+layout (location = 1) in vec2 i_size;
+layout (location = 2) in vec2 i_uv_pos;
+layout (location = 3) in vec2 i_uv_size;
+layout (location = 4) in vec4 i_color;
+
+out vec2  v_pos;
+out vec2  v_size;
+out vec2  v_uv_pos;
+out vec2  v_uv_size;
+out vec2  v_dp;
+out vec4  v_color;
+
+void main(void) {
+  const vec2[] verts = vec2[](
+      vec2( 0.,  0.), vec2( 0., -1.), vec2( 1., -1.),
+      vec2( 0.,  0.), vec2( 1., -1.), vec2( 1.,  0.)
+  );
+
+  float scale = (uni.cam * vec4(1., 0., 0., 0.)).x;
+  scale = pow(1.2, scale-1.);
+
+  v_pos     = i_pos  * scale;
+  v_size    = i_size * scale;
+  v_uv_pos  = i_uv_pos;
+  v_uv_size = i_uv_size;
+  v_color   = i_color;
+
+  v_dp  = verts[gl_VertexID]*v_size*1.5 + v_pos;
+  v_dp /= pow(length(v_dp), .1);
+
+  gl_Position = vec4(v_dp, 0., 1.);
+}