check_error();
}
+EffectChainTester::~EffectChainTester()
+{
+ glDeleteFramebuffers(1, &fbo);
+ check_error();
+ glDeleteTextures(1, &texnum);
+ check_error();
+}
+
Input *EffectChainTester::add_input(const float *data, MovitPixelFormat pixel_format, ColorSpace color_space, GammaCurve gamma_curve)
{
ImageFormat format;
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glReadPixels(0, 0, width, height, format, GL_FLOAT, out_data);
+ if (format == GL_RGBA) {
+ width *= 4;
+ }
+
// Flip upside-down to compensate for different origin.
for (unsigned y = 0; y < height / 2; ++y) {
unsigned flip_y = height - y - 1;
{
float largest_difference = -1.0f;
float squared_difference = 0.0f;
+ int largest_diff_x = -1, largest_diff_y = -1;
for (unsigned y = 0; y < height; ++y) {
for (unsigned x = 0; x < width; ++x) {
float diff = ref[y * width + x] - result[y * width + x];
- largest_difference = std::max(largest_difference, fabsf(diff));
+ if (fabs(diff) > largest_difference) {
+ largest_difference = fabs(diff);
+ largest_diff_x = x;
+ largest_diff_y = y;
+ }
squared_difference += diff * diff;
}
}
- EXPECT_LT(largest_difference, largest_difference_limit);
+ EXPECT_LT(largest_difference, largest_difference_limit)
+ << "Largest difference is in x=" << largest_diff_x << ", y=" << largest_diff_y << ":\n"
+ << "Reference: " << ref[largest_diff_y * width + largest_diff_x] << "\n"
+ << "Result: " << result[largest_diff_y * width + largest_diff_x];
float rms = sqrt(squared_difference) / (width * height);
EXPECT_LT(rms, rms_limit);