mpv/test/gl_video.c

30 lines
903 B
C

#include "tests.h"
#include "video/out/gpu/video.h"
static void run(struct test_ctx *ctx)
{
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 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);
}
const struct unittest test_gl_video = {
.name = "gl_video",
.run = run,
};