backend: give backends more flexibility regarding shadow creation

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2022-08-25 05:21:19 +01:00
parent e942f253f7
commit 84407099a9
13 changed files with 100 additions and 32 deletions
--- a/src/kernel.h
+++ b/src/kernel.h
@@ -27,7 +27,7 @@ conv *gaussian_kernel(double r, int size);
 /// transparent.
 ///
 /// @param[in] shadow_radius the radius of the shadow
-conv *gaussian_kernel_autodetect_deviation(int shadow_radius);
+conv *gaussian_kernel_autodetect_deviation(double shadow_radius);

 /// preprocess kernels to make shadow generation faster
 /// shadow_sum[x*d+y] is the sum of the kernel from (0, 0) to (x, y), inclusive