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Make vignetting and distortion play nice together

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Frederic Bouvier 2012-08-05 10:57:48 +02:00 • committed by Vivian Meazza
parent 5907f9469d
commit 5ebabff309
1 changed files with 2 additions and 1 deletions
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3
Shaders/cinema.frag
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@ -24,6 +24,7 @@ uniform bool bloomBuffers;
void main() {
vec2 coords = gl_TexCoord[0].xy;
vec2 initialCoords = coords;
if (distortion) {
vec2 c = 2.0 * coords - vec2(1.,1.);
@ -50,7 +51,7 @@ void main() {
}
if (vignette) {
vec2 c = 2.0 * coords - vec2(1.,1.);
vec2 c = 2.0 * initialCoords - vec2(1.,1.);
c = c * vec2( 1.0, fg_BufferSize.y / fg_BufferSize.x );
float l = length(c);
float f = smoothstep( innerCircle, innerCircle * outerCircle, l );