Handle texture non-bounce a bit better.

[movit] / padding_effect_test.cpp

diff --git a/padding_effect_test.cpp b/padding_effect_test.cpp
index f7705883bc5167bb8c74ee5ce9ad2381e274fecf..767f3e8d4f3a79c654553c3aa9e843f57e629ef4 100644 (file)
--- 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"
@@ -10,6 +11,8 @@
 #include "test_util.h"
 #include "util.h"
 
+namespace movit {
+
 TEST(PaddingEffectTest, SimpleCenter) {
        float data[2 * 2] = {
                1.0f, 0.5f,
@@ -204,3 +207,41 @@ 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);
+}
+
+}  // namespace movit