xref: /aosp_15_r20/external/skia/tests/sksl/workarounds/FragCoords.glsl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1#version 400
2in vec4 sk_FragCoord_Workaround;
3out vec4 sk_FragColor;
4void main() {
5    float sk_FragCoord_InvW = 1. / sk_FragCoord_Workaround.w;
6    vec4 sk_FragCoord_Resolved = vec4(sk_FragCoord_Workaround.xyz * sk_FragCoord_InvW, sk_FragCoord_InvW);
7    sk_FragCoord_Resolved.xy = floor(sk_FragCoord_Resolved.xy) + vec2(.5);
8    sk_FragColor.xy = sk_FragCoord_Resolved.xy;
9}
10