1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// Unit tests for AlphaDivisionEffect.
#include <epoxy/gl.h>
#include "gtest/gtest.h"
#include "image_format.h"
#include "test_util.h"
namespace movit {
TEST(AlphaDivisionEffectTest, SimpleTest) {
const int size = 2;
float data[4 * size] = {
0.1f, 0.5f, 0.1f, 0.5f,
0.2f, 0.2f, 1.0f, 1.0f,
};
float expected_data[4 * size] = {
0.2f, 1.0f, 0.2f, 0.5f,
0.2f, 0.2f, 1.0f, 1.0f,
};
float out_data[4 * size];
EffectChainTester tester(data, 1, size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(expected_data, out_data, 4, size);
}
TEST(AlphaDivisionEffectTest, ZeroAlphaIsPreserved) {
const int size = 2;
float data[4 * size] = {
0.1f, 0.5f, 0.1f, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f,
};
float out_data[4 * size];
EffectChainTester tester(data, 1, size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
EXPECT_EQ(0.0f, out_data[3]);
EXPECT_EQ(0.0f, out_data[7]);
}
} // namespace movit
|
