#include <algorithm>
+namespace {
+
+// Flip upside-down to compensate for different origin.
+template<class T>
+void vertical_flip(T *data, unsigned width, unsigned height)
+{
+ for (unsigned y = 0; y < height / 2; ++y) {
+ unsigned flip_y = height - y - 1;
+ for (unsigned x = 0; x < width; ++x) {
+ std::swap(data[y * width + x], data[flip_y * width + x]);
+ }
+ }
+}
+
+} // namespace
+
EffectChainTester::EffectChainTester(const float *data, unsigned width, unsigned height,
MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve)
: chain(width, height), width(width), height(height), finalized(false)
void EffectChainTester::run(float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve)
{
if (!finalized) {
- ImageFormat image_format;
- image_format.color_space = color_space;
- image_format.gamma_curve = gamma_curve;
- chain.add_output(image_format);
- chain.finalize();
- finalized = true;
+ finalize_chain(color_space, gamma_curve);
}
chain.render_to_fbo(fbo, width, height);
width *= 4;
}
- // Flip upside-down to compensate for different origin.
- for (unsigned y = 0; y < height / 2; ++y) {
- unsigned flip_y = height - y - 1;
- for (unsigned x = 0; x < width; ++x) {
- std::swap(out_data[y * width + x], out_data[flip_y * width + x]);
- }
- }
+ vertical_flip(out_data, width, height);
+}
+
+void EffectChainTester::finalize_chain(Colorspace color_space, GammaCurve gamma_curve)
+{
+ assert(!finalized);
+ ImageFormat image_format;
+ image_format.color_space = color_space;
+ image_format.gamma_curve = gamma_curve;
+ chain.add_output(image_format);
+ chain.finalize();
+ finalized = true;
}
void expect_equal(const float *ref, const float *result, unsigned width, unsigned height, float largest_difference_limit, float rms_limit)