// Unit tests for OverlayEffect.
-#include "test_util.h"
+#include <epoxy/gl.h>
+
+#include "effect_chain.h"
#include "gtest/gtest.h"
+#include "image_format.h"
+#include "input.h"
#include "overlay_effect.h"
+#include "test_util.h"
+
+namespace movit {
TEST(OverlayEffectTest, TopDominatesBottomWhenNoAlpha) {
float data_a[] = {
0.5f, 0.5f, 0.5f, 0.0f,
};
float out_data[4];
- EffectChainTester tester(data_a, 1, 1, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ EffectChainTester tester(data_a, 1, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
Effect *input1 = tester.get_chain()->last_added_effect();
- Effect *input2 = tester.add_input(data_b, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ Effect *input2 = tester.add_input(data_b, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.get_chain()->add_effect(new OverlayEffect(), input1, input2);
- tester.run(out_data, GL_BGRA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(data_a, out_data, 4, 1);
}
-TEST(OverlayEffectTest, ZeroAlphaBecomesAllZero) {
+TEST(OverlayEffectTest, ZeroAlphaRemainsZeroAlpha) {
float data_a[] = {
0.0f, 0.25f, 0.5f, 0.0f
};
0.0f, 0.0f, 0.0f, 0.0f
};
float out_data[4];
- EffectChainTester tester(data_a, 1, 1, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ EffectChainTester tester(data_a, 1, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
Effect *input1 = tester.get_chain()->last_added_effect();
- Effect *input2 = tester.add_input(data_b, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ Effect *input2 = tester.add_input(data_b, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.get_chain()->add_effect(new OverlayEffect(), input1, input2);
- tester.run(out_data, GL_BGRA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
- expect_equal(expected_data, out_data, 4, 1);
+ EXPECT_FLOAT_EQ(0.0f, expected_data[3]);
}
// This is tested against what Photoshop does: (255,0,128, 0.25) over (128,255,0, 0.5)
179.0f/255.0f, 153.0f/255.0f, 51.0f/255.0f, 0.625f
};
float out_data[4];
- EffectChainTester tester(data_a, 1, 1, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ EffectChainTester tester(data_a, 1, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
Effect *input1 = tester.get_chain()->last_added_effect();
- Effect *input2 = tester.add_input(data_b, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ Effect *input2 = tester.add_input(data_b, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.get_chain()->add_effect(new OverlayEffect(), input1, input2);
- tester.run(out_data, GL_BGRA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(expected_data, out_data, 4, 1);
}
+
+} // namespace movit