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Diffstat (limited to 'servers/rendering/renderer_rd/effects/luminance.h')
| -rw-r--r-- | servers/rendering/renderer_rd/effects/luminance.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/servers/rendering/renderer_rd/effects/luminance.h b/servers/rendering/renderer_rd/effects/luminance.h new file mode 100644 index 0000000000..0f343fceab --- /dev/null +++ b/servers/rendering/renderer_rd/effects/luminance.h @@ -0,0 +1,120 @@ +/**************************************************************************/ +/* luminance.h */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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 LUMINANCE_RD_H +#define LUMINANCE_RD_H + +#include "servers/rendering/renderer_rd/pipeline_cache_rd.h" +#include "servers/rendering/renderer_rd/shaders/effects/luminance_reduce.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/luminance_reduce_raster.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" + +#define RB_LUMINANCE_BUFFERS SNAME("luminance_buffers") + +namespace RendererRD { + +class Luminance { +private: + bool prefer_raster_effects; + + enum LuminanceReduceMode { + LUMINANCE_REDUCE_READ, + LUMINANCE_REDUCE, + LUMINANCE_REDUCE_WRITE, + LUMINANCE_REDUCE_MAX + }; + + struct LuminanceReducePushConstant { + int32_t source_size[2]; + float max_luminance; + float min_luminance; + float exposure_adjust; + float pad[3]; + }; + + struct LuminanceReduce { + LuminanceReduceShaderRD shader; + RID shader_version; + RID pipelines[LUMINANCE_REDUCE_MAX]; + } luminance_reduce; + + enum LuminanceReduceRasterMode { + LUMINANCE_REDUCE_FRAGMENT_FIRST, + LUMINANCE_REDUCE_FRAGMENT, + LUMINANCE_REDUCE_FRAGMENT_FINAL, + LUMINANCE_REDUCE_FRAGMENT_MAX + }; + + struct LuminanceReduceRasterPushConstant { + int32_t source_size[2]; + int32_t dest_size[2]; + float exposure_adjust; + float min_luminance; + float max_luminance; + uint32_t pad1; + }; + + struct LuminanceReduceFragment { + LuminanceReduceRasterShaderRD shader; + RID shader_version; + PipelineCacheRD pipelines[LUMINANCE_REDUCE_FRAGMENT_MAX]; + } luminance_reduce_raster; + +public: + class LuminanceBuffers : public RenderBufferCustomDataRD { + GDCLASS(LuminanceBuffers, RenderBufferCustomDataRD); + + private: + bool prefer_raster_effects; + + public: + Vector<RID> reduce; + RID current; + + virtual void configure(RenderSceneBuffersRD *p_render_buffers) override; + virtual void free_data() override; + + void set_prefer_raster_effects(bool p_prefer_raster_effects); + }; + + Ref<LuminanceBuffers> get_luminance_buffers(Ref<RenderSceneBuffersRD> p_render_buffers); + RID get_current_luminance_buffer(Ref<RenderSceneBuffersRD> p_render_buffers); + void luminance_reduction(RID p_source_texture, const Size2i p_source_size, Ref<LuminanceBuffers> p_luminance_buffers, float p_min_luminance, float p_max_luminance, float p_adjust, bool p_set = false); + + Luminance(bool p_prefer_raster_effects); + ~Luminance(); +}; + +} // namespace RendererRD + +#endif // LUMINANCE_RD_H |