#if NEW_SHADER_INTERFACE
#define I in
#define O out
#define V(x) x
#else
#define I attribute
#define O varying
#define V(x) vec3(x)
#endif
#ifdef GL_ES
// To avoid weird distortion issues when rendering text etc, we want highp if possible.
// But apparently some devices don't support it, so we have to check first.
#if defined(GL_FRAGMENT_PRECISION_HIGH) && GL_FRAGMENT_PRECISION_HIGH == 1
precision highp float;
#else
precision mediump float;
#endif
#endif
uniform vec2 u_screen_size;
I vec2 a_pos;
I vec4 a_srgba; // 0-255 sRGB
I vec2 a_tc;
O vec4 v_rgba_in_gamma;
O vec2 v_tc;
void main() {
gl_Position = vec4(
2.0 * a_pos.x / u_screen_size.x - 1.0,
1.0 - 2.0 * a_pos.y / u_screen_size.y,
0.0,
1.0);
v_rgba_in_gamma = a_srgba / 255.0;
v_tc = a_tc;
}