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x-labz/vertex-shader.c

Created February 2, 2022 09:52
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vertex-shader
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vertex-shader.c
attribute vec2 a_position;
attribute vec2 a_texCoord;
uniform vec2 u_resolution;
varying vec2 v_texCoord;
void main() {
gl_Position = vec4(( (a_position / u_resolution * 2.0) - 1.0) * vec2(1, -1), 0, 1);
v_texCoord = a_texCoord;
}
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