Merge pull request #38386 from reduz/new-lightmapper

New GPU lightmapper

1 files changed, 63 insertions, 0 deletions

diff --git a/modules/denoise/lightmap_denoiser.cpp b/modules/denoise/lightmap_denoiser.cpp
new file mode 100644
index 0000000000..c821b22d85
--- /dev/null
+++ b/modules/denoise/lightmap_denoiser.cpp
@@ -0,0 +1,63 @@
+/*************************************************************************/
+/*  lightmap_denoiser.cpp                                                */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "lightmap_denoiser.h"
+#include "denoise_wrapper.h"
+
+LightmapDenoiser *LightmapDenoiserOIDN::create_oidn_denoiser() {
+	return memnew(LightmapDenoiserOIDN);
+}
+
+void LightmapDenoiserOIDN::make_default_denoiser() {
+	create_function = create_oidn_denoiser;
+}
+
+Ref<Image> LightmapDenoiserOIDN::denoise_image(const Ref<Image> &p_image) {
+
+	Ref<Image> img = p_image->duplicate();
+
+	img->convert(Image::FORMAT_RGBF);
+
+	Vector<uint8_t> data = img->get_data();
+	if (!oidn_denoise(device, (float *)data.ptrw(), img->get_width(), img->get_height())) {
+		return p_image;
+	}
+
+	img->create(img->get_width(), img->get_height(), false, img->get_format(), data);
+	return img;
+}
+
+LightmapDenoiserOIDN::LightmapDenoiserOIDN() {
+	device = oidn_denoiser_init();
+}
+
+LightmapDenoiserOIDN::~LightmapDenoiserOIDN() {
+	oidn_denoiser_finish(device);
+}