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#include "test_utils.h"
#include "video/out/gpu/utils.h"
int main(void)
{
float x;
x = gl_video_scale_ambient_lux(16.0, 64.0, 2.40, 1.961, 16.0);
assert_float_equal(x, 2.40f, FLT_EPSILON);
x = gl_video_scale_ambient_lux(16.0, 64.0, 2.40, 1.961, 64.0);
assert_float_equal(x, 1.961f, FLT_EPSILON);
x = gl_video_scale_ambient_lux(16.0, 64.0, 1.961, 2.40, 64.0);
assert_float_equal(x, 2.40f, FLT_EPSILON);
x = gl_video_scale_ambient_lux(16.0, 64.0, 2.40, 1.961, 0.0);
assert_float_equal(x, 2.40f, FLT_EPSILON);
// 32 corresponds to the midpoint after converting lux to the log10 scale
x = gl_video_scale_ambient_lux(16.0, 64.0, 2.40, 1.961, 32.0);
float mid_gamma = (2.40 - 1.961) / 2 + 1.961;
assert_float_equal(x, mid_gamma, FLT_EPSILON);
return 0;
}
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