X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=padding_effect_test.cpp;h=36e7790fe1b3aec302fe2872756ffa3edcecd5d7;hp=f7705883bc5167bb8c74ee5ce9ad2381e274fecf;hb=03b416172e9db37845b8c897d51064cbc6b3aa3f;hpb=d41e82b7cc456c945dbc460b2ffdc13a80f6505f

diff --git a/padding_effect_test.cpp b/padding_effect_test.cpp
index f770588..36e7790 100644
--- a/padding_effect_test.cpp
+++ b/padding_effect_test.cpp
@@ -1,5 +1,6 @@
 // Unit tests for AlphaMultiplicationEffect.
 
+#include <GL/glew.h>
 #include <stddef.h>
 
 #include "effect_chain.h"
@@ -204,3 +205,39 @@ TEST(PaddingEffectTest, Crop) {
 	tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
 	expect_equal(expected_data, out_data, 1, 1);
 }
+
+TEST(PaddingEffectTest, AlphaIsCorrectEvenWithNonLinearInputsAndOutputs) {
+	float data[2 * 1] = {
+		1.0f,
+		0.8f,
+	};
+	float expected_data[4 * 4] = {
+		1.0f, 1.0f, 1.0f, 0.5f,
+		1.0f, 1.0f, 1.0f, 1.0f,
+		0.8f, 0.8f, 0.8f, 1.0f,
+		1.0f, 1.0f, 1.0f, 0.5f,
+	};
+	float out_data[4 * 4];
+
+	EffectChainTester tester(NULL, 1, 4);
+
+	ImageFormat format;
+	format.color_space = COLORSPACE_REC_601_625;
+	format.gamma_curve = GAMMA_REC_709;
+
+	FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 1, 2);
+	input->set_pixel_data(data);
+	tester.get_chain()->add_input(input);
+
+	Effect *effect = tester.get_chain()->add_effect(new PaddingEffect());
+	CHECK(effect->set_int("width", 1));
+	CHECK(effect->set_int("height", 4));
+	CHECK(effect->set_float("left", 0.0f));
+	CHECK(effect->set_float("top", 1.0f));
+
+	RGBATuple border_color(1.0f, 1.0f, 1.0f, 0.5f);
+	CHECK(effect->set_vec4("border_color", (float *)&border_color));
+
+	tester.run(out_data, GL_RGBA, COLORSPACE_REC_601_625, GAMMA_REC_709, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED);
+	expect_equal(expected_data, out_data, 4, 4);
+}