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@@ -5,7 +5,7 @@
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%nl
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voxel.x = mad((float) idx, x_region.y, x_region.x);
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voxel.y = mad((float) idy, y_region.y, y_region.x);
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- sin_roll = sincos (mad((float) idz, roll_region.y, roll_region.x), &cos_roll);
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+ sin_roll = sincos (mad((float) idz, -roll_region.y, -roll_region.x), &cos_roll);
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tmp = mad(z_region.x, sin_lamino, y_center);
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tmp_x = voxel.x * cos_lamino;
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tmp_y = -voxel.y * cos_lamino;
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