duckstation/data/resources/shaders/simple-flip.glsl

41 lines
600 B
GLSL

/*
[configuration]
[OptionRangeInteger]
GUIName = Flip Horizontally
OptionName = G_FLIP_HORZ
MinValue = 0
MaxValue = 1
StepAmount = 1
DefaultValue = 1
[OptionRangeInteger]
GUIName = Flip Vertically
OptionName = G_FLIP_VERT
MinValue = 0
MaxValue = 1
StepAmount = 1
DefaultValue = 0
[/configuration]
*/
void main()
{
vec2 uv = GetCoordinates();
vec2 ts = GetInvResolution();
vec2 pos = uv;
if (GetOption(G_FLIP_HORZ) == 1) {
pos.x = 1.0 - pos.x;
}
if (GetOption(G_FLIP_VERT) == 1) {
pos.y = 1.0 - pos.y;
}
vec4 sum = SampleLocation(pos);
SetOutput(saturate(sum));
}