add oidn

3DEditor/private/Denoise.cpp

@@ -0,0 +1,40 @@
+
+#include "Editor.hpp"
+
+#include "OpenImageDenoise/oidn.hpp"
+#include <iostream>
+
+using namespace tp;
+
+void Editor::denoise() {
+	auto& out = mPathTracerBuffers;
+
+	// Initialize OIDN device
+	oidn::DeviceRef device = oidn::newDevice(oidn::DeviceType::CPU);
+	device.commit();
+
+	// Define buffer size
+	const int channels = 4; // ARGB
+	const auto size = out.color.size();
+	// Create the denoising filter
+	oidn::FilterRef filter = device.newFilter("RT"); // Use the 'RT' filter for path tracing
+
+	// Set the input and output buffer (same buffer for in-place denoising)
+	filter.setImage("color", out.color.getBuff(), oidn::Format::Float3, size.x, size.y, 0, sizeof(float) * channels); // ARGB
+	filter.setImage("output", out.color.getBuff(), oidn::Format::Float3, size.x, size.y, 0, sizeof(float) * channels); // ARGB
+
+	// Set additional parameters if needed
+	filter.set("hdr", false); // Assuming the input image is not HDR
+
+	// Commit the filter
+	filter.commit();
+
+	// Execute the filter
+	filter.execute();
+
+	// Check for errors
+	const char* errorMessage;
+	if (device.getError(errorMessage) != oidn::Error::None) {
+		std::cerr << "Error: " << errorMessage << std::endl;
+	}
+}