git.sesse.net Git - movit/blob - alpha_multiplication_effect_test.cpp

   1 // Unit tests for AlphaMultiplicationEffect.
   2
   3 #include <epoxy/gl.h>
   4
   5 #include "effect_chain.h"
   6 #include "gtest/gtest.h"
   7 #include "image_format.h"
   8 #include "test_util.h"
   9
  10 namespace movit {
  11
  12 TEST(AlphaMultiplicationEffectTest, SimpleTest) {
  13         const int size = 3;
  14         float data[4 * size] = {
  15                 1.0f, 0.2f, 0.2f, 0.0f,
  16                 0.2f, 1.0f, 0.2f, 0.5f,
  17                 0.2f, 0.2f, 1.0f, 1.0f,
  18         };
  19         float expected_data[4 * size] = {
  20                 0.0f, 0.0f, 0.0f, 0.0f,
  21                 0.1f, 0.5f, 0.1f, 0.5f,
  22                 0.2f, 0.2f, 1.0f, 1.0f,
  23         };
  24         float out_data[4 * size];
  25         EffectChainTester tester(data, 1, size, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
  26         tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
  27
  28         expect_equal(expected_data, out_data, 4, size);
  29 }
  30
  31 }  // namespace movit