Extracting render buffers and changing it to a more generic solution

1 files changed, 73 insertions, 0 deletions

diff --git a/servers/rendering/renderer_rd/effects/fsr.h b/servers/rendering/renderer_rd/effects/fsr.h
new file mode 100644
index 0000000000..1adfba527a
--- /dev/null
+++ b/servers/rendering/renderer_rd/effects/fsr.h
@@ -0,0 +1,73 @@
+/*************************************************************************/
+/*  fsr.h                                                                */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 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.                */
+/*************************************************************************/
+
+#ifndef FSR_RD_H
+#define FSR_RD_H
+
+#include "servers/rendering/renderer_rd/pipeline_cache_rd.h"
+#include "servers/rendering/renderer_rd/shaders/effects/fsr_upscale.glsl.gen.h"
+#include "servers/rendering/renderer_rd/storage_rd/render_scene_buffers_rd.h"
+#include "servers/rendering/renderer_scene_render.h"
+
+#include "servers/rendering_server.h"
+
+namespace RendererRD {
+
+class FSR {
+public:
+	FSR();
+	~FSR();
+
+	void fsr_upscale(Ref<RenderSceneBuffersRD> p_render_buffers, RID p_source_rd_texture, RID p_destination_texture);
+
+private:
+	enum FSRUpscalePass {
+		FSR_UPSCALE_PASS_EASU = 0,
+		FSR_UPSCALE_PASS_RCAS = 1
+	};
+
+	struct FSRUpscalePushConstant {
+		float resolution_width;
+		float resolution_height;
+		float upscaled_width;
+		float upscaled_height;
+		float sharpness;
+		int pass;
+		int _unused0, _unused1;
+	};
+
+	FsrUpscaleShaderRD fsr_shader;
+	RID shader_version;
+	RID pipeline;
+};
+
+} // namespace RendererRD
+
+#endif // FSR_RD_H