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-rw-r--r--video/out/gl_video.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/video/out/gl_video.c b/video/out/gl_video.c
index f43ad71858..6cff529843 100644
--- a/video/out/gl_video.c
+++ b/video/out/gl_video.c
@@ -829,8 +829,8 @@ static void shader_setup_scaler(char **shader, struct scaler *scaler, int pass)
int xx = x > 0 ? x-1 : x;
double d = sqrt(xx*xx + yy*yy);
- // Samples outside the radius are unnecessary
- if (d < radius) {
+ if (d < radius - 1) {
+ // Samples definitely inside the main ring
APPENDF(shader, "SAMPLE_POLAR_%s(LUT, %f, %d, %d) \\\n ",
// The center 4 coefficients are the primary
// contributors, used to clamp the result for
@@ -838,6 +838,10 @@ static void shader_setup_scaler(char **shader, struct scaler *scaler, int pass)
(x >= 0 && y >= 0 && x <= 1 && y <= 1)
? "PRIMARY" : "HELPER",
(double)radius, x, y);
+ } else if (d < radius) {
+ // Samples on the edge, these are potential values
+ APPENDF(shader, "SAMPLE_POLAR_POTENTIAL(LUT, %f, %d, %d) \\\n ",
+ (double)radius, x, y);
}
}
}