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// Unit tests for ComplexModulateEffect.
#include <epoxy/gl.h>
#include "effect_chain.h"
#include "gtest/gtest.h"
#include "complex_modulate_effect.h"
#include "image_format.h"
#include "input.h"
#include "test_util.h"
namespace movit {
TEST(ComplexModulateEffectTest, Identity) {
const int size = 3;
float data_a[size * 4] = {
0.0f, 0.1f, 0.2f, 0.1f,
0.4f, 0.3f, 0.8f, 2.0f,
0.5f, 0.2f, 0.1f, 0.0f,
};
float data_b[size * 2] = {
1.0f, 0.0f,
1.0f, 0.0f,
1.0f, 0.0f,
};
float out_data[size * 4];
EffectChainTester tester(data_a, 1, size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
Effect *input1 = tester.get_chain()->last_added_effect();
Effect *input2 = tester.add_input(data_b, FORMAT_RG, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.get_chain()->add_effect(new ComplexModulateEffect(), input1, input2);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
expect_equal(data_a, out_data, 4, size);
}
TEST(ComplexModulateEffectTest, ComplexMultiplication) {
const int size = 2;
float data_a[size * 4] = {
0.0f, 0.1f, 0.2f, 0.1f,
0.4f, 0.3f, 0.8f, 2.0f,
};
float data_b[size * 2] = {
0.0f, 1.0f,
0.5f, -0.8f,
};
float expected_data[size * 4] = {
-0.1f, 0.0f, -0.1f, 0.2f,
0.44f, -0.17f, 2.0f, 0.36f,
};
float out_data[size * 4];
EffectChainTester tester(data_a, 1, size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
Effect *input1 = tester.get_chain()->last_added_effect();
Effect *input2 = tester.add_input(data_b, FORMAT_RG, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.get_chain()->add_effect(new ComplexModulateEffect(), input1, input2);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
expect_equal(expected_data, out_data, 4, size);
}
TEST(ComplexModulateEffectTest, Repeat) {
const int size = 2, repeats = 3;
float data_a[size * repeats * 4] = {
0.0f, 0.1f, 0.2f, 0.3f,
1.0f, 1.1f, 1.2f, 1.3f,
2.0f, 2.1f, 2.2f, 2.3f,
3.0f, 3.1f, 3.2f, 3.3f,
4.0f, 4.1f, 4.2f, 4.3f,
5.0f, 5.1f, 5.2f, 5.3f,
};
float data_b[size * 2] = {
1.0f, 0.0f,
0.0f, -1.0f,
};
float expected_data[size * repeats * 4] = {
0.0f, 0.1f, 0.2f, 0.3f,
1.1f, -1.0f, 1.3f, -1.2f,
2.0f, 2.1f, 2.2f, 2.3f,
3.1f, -3.0f, 3.3f, -3.2f,
4.0f, 4.1f, 4.2f, 4.3f,
5.1f, -5.0f, 5.3f, -5.2f,
};
float out_data[size * repeats * 4];
EffectChainTester tester(data_a, 1, repeats * size, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
Effect *input1 = tester.get_chain()->last_added_effect();
Effect *input2 = tester.add_input(data_b, FORMAT_RG, COLORSPACE_sRGB, GAMMA_LINEAR, 1, size);
Effect *effect = tester.get_chain()->add_effect(new ComplexModulateEffect(), input1, input2);
ASSERT_TRUE(effect->set_int("num_repeats_y", repeats));
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
expect_equal(expected_data, out_data, 4, size * repeats);
}
} // namespace movit
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