skia2/tests/sksl/workarounds/FragCoords.glsl

10 lines
377 B
Plaintext
Raw Normal View History

#version 400
in vec4 sk_FragCoord_Workaround;
out vec4 sk_FragColor;
void main() {
float sk_FragCoord_InvW = 1. / sk_FragCoord_Workaround.w;
vec4 sk_FragCoord_Resolved = vec4(sk_FragCoord_Workaround.xyz * sk_FragCoord_InvW, sk_FragCoord_InvW);
sk_FragCoord_Resolved.xy = floor(sk_FragCoord_Resolved.xy) + vec2(.5);
sk_FragColor.xy = sk_FragCoord_Resolved.xy;
}