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// Unit tests for AlphaMultiplicationEffect.
#include <epoxy/gl.h>
#include "effect_chain.h"
#include "gtest/gtest.h"
#include "image_format.h"
#include "test_util.h"
namespace movit {
TEST(AlphaMultiplicationEffectTest, SimpleTest) {
const int size = 3;
float data[4 * size] = {
1.0f, 0.2f, 0.2f, 0.0f,
0.2f, 1.0f, 0.2f, 0.5f,
0.2f, 0.2f, 1.0f, 1.0f,
};
float expected_data[4 * size] = {
0.0f, 0.0f, 0.0f, 0.0f,
0.1f, 0.5f, 0.1f, 0.5f,
0.2f, 0.2f, 1.0f, 1.0f,
};
float out_data[4 * size];
EffectChainTester tester(data, 1, size, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
expect_equal(expected_data, out_data, 4, size);
}
} // namespace movit
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