16 lines
453 B
GLSL
16 lines
453 B
GLSL
#version 120
|
|
// input
|
|
uniform vec2 resolution; // display resolution
|
|
attribute vec3 vp; // vertex position
|
|
uniform vec2 vp_offset; // vertex offset (draw position)
|
|
attribute vec2 uv; // UV map
|
|
uniform vec2 uv_offset; // offset within the UV map
|
|
// output
|
|
varying vec2 frag_uv;
|
|
|
|
void main() {
|
|
vec2 pos = vp.xy + vp_offset;
|
|
gl_Position = vec4(pos/resolution, 1.0, 1.0);
|
|
frag_uv = vec2(uv.s+uv_offset.x, 1.0 - uv.t+uv_offset.y);
|
|
}
|