// Unit tests for LiftGammaGainEffect.
-#include "test_util.h"
+#include <epoxy/gl.h>
+
+#include "effect_chain.h"
#include "gtest/gtest.h"
+#include "image_format.h"
#include "lift_gamma_gain_effect.h"
+#include "test_util.h"
+
+namespace movit {
TEST(LiftGammaGainEffectTest, DefaultIsNoop) {
float data[] = {
};
float out_data[5 * 4];
- EffectChainTester tester(data, 1, 5, FORMAT_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.get_chain()->add_effect(new LiftGammaGainEffect());
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
};
float out_data[5 * 4];
- EffectChainTester tester(data, 1, 5, FORMAT_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
Effect *lgg_effect = tester.get_chain()->add_effect(new LiftGammaGainEffect());
ASSERT_TRUE(lgg_effect->set_vec3("gain", gain));
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
};
float out_data[5 * 4];
- EffectChainTester tester(data, 1, 5, FORMAT_RGBA, COLORSPACE_sRGB, GAMMA_sRGB);
+ EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB);
Effect *lgg_effect = tester.get_chain()->add_effect(new LiftGammaGainEffect());
ASSERT_TRUE(lgg_effect->set_vec3("lift", lift));
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB);
float gamma[3] = { 2.2f, 2.2f, 2.2f };
float out_data[5 * 4];
- EffectChainTester tester(data, 1, 5, FORMAT_RGBA, COLORSPACE_sRGB, GAMMA_sRGB);
+ EffectChainTester tester(data, 1, 5, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB);
Effect *lgg_effect = tester.get_chain()->add_effect(new LiftGammaGainEffect());
ASSERT_TRUE(lgg_effect->set_vec3("gamma", gamma));
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(data, out_data, 4, 5);
}
+
+TEST(LiftGammaGainEffectTest, OutOfGamutColorsAreClipped) {
+ float data[] = {
+ -0.5f, 0.3f, 0.0f, 1.0f,
+ 0.5f, 0.0f, 0.0f, 1.0f,
+ 0.0f, 1.5f, 0.5f, 0.3f,
+ };
+ float expected_data[] = {
+ 0.0f, 0.3f, 0.0f, 1.0f, // Clipped to zero.
+ 0.5f, 0.0f, 0.0f, 1.0f,
+ 0.0f, 1.5f, 0.5f, 0.3f,
+ };
+
+ float out_data[3 * 4];
+ EffectChainTester tester(data, 1, 3, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ tester.get_chain()->add_effect(new LiftGammaGainEffect());
+ tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+ expect_equal(expected_data, out_data, 4, 3);
+}
+
+} // namespace movit