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Diffstat (limited to 'modules/gltf/structures/gltf_texture_sampler.h')
| -rw-r--r-- | modules/gltf/structures/gltf_texture_sampler.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/modules/gltf/structures/gltf_texture_sampler.h b/modules/gltf/structures/gltf_texture_sampler.h new file mode 100644 index 0000000000..3fad31bbee --- /dev/null +++ b/modules/gltf/structures/gltf_texture_sampler.h @@ -0,0 +1,163 @@ +/*************************************************************************/ +/* gltf_texture_sampler.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 GLTF_TEXTURE_SAMPLER_H +#define GLTF_TEXTURE_SAMPLER_H + +#include "core/io/resource.h" +#include "scene/resources/material.h" + +class GLTFTextureSampler : public Resource { + GDCLASS(GLTFTextureSampler, Resource); + +public: + enum FilterMode { + NEAREST = 9728, + LINEAR = 9729, + NEAREST_MIPMAP_NEAREST = 9984, + LINEAR_MIPMAP_NEAREST = 9985, + NEAREST_MIPMAP_LINEAR = 9986, + LINEAR_MIPMAP_LINEAR = 9987 + }; + + enum WrapMode { + CLAMP_TO_EDGE = 33071, + MIRRORED_REPEAT = 33648, + REPEAT = 10497, + DEFAULT = REPEAT + }; + + int get_mag_filter() const { + return mag_filter; + } + + void set_mag_filter(const int filter_mode) { + mag_filter = (FilterMode)filter_mode; + } + + int get_min_filter() const { + return min_filter; + } + + void set_min_filter(const int filter_mode) { + min_filter = (FilterMode)filter_mode; + } + + int get_wrap_s() const { + return wrap_s; + } + + void set_wrap_s(const int wrap_mode) { + wrap_s = (WrapMode)wrap_mode; + } + + int get_wrap_t() const { + return wrap_t; + } + + void set_wrap_t(const int wrap_mode) { + wrap_s = (WrapMode)wrap_mode; + } + + StandardMaterial3D::TextureFilter get_filter_mode() const { + using TextureFilter = StandardMaterial3D::TextureFilter; + + switch (min_filter) { + case NEAREST: + return TextureFilter::TEXTURE_FILTER_NEAREST; + case LINEAR: + return TextureFilter::TEXTURE_FILTER_LINEAR; + case NEAREST_MIPMAP_NEAREST: + case NEAREST_MIPMAP_LINEAR: + return TextureFilter::TEXTURE_FILTER_NEAREST_WITH_MIPMAPS; + case LINEAR_MIPMAP_NEAREST: + case LINEAR_MIPMAP_LINEAR: + default: + return TextureFilter::TEXTURE_FILTER_LINEAR_WITH_MIPMAPS; + } + } + + void set_filter_mode(StandardMaterial3D::TextureFilter mode) { + using TextureFilter = StandardMaterial3D::TextureFilter; + + switch (mode) { + case TextureFilter::TEXTURE_FILTER_NEAREST: + min_filter = FilterMode::NEAREST; + mag_filter = FilterMode::NEAREST; + break; + case TextureFilter::TEXTURE_FILTER_LINEAR: + min_filter = FilterMode::LINEAR; + mag_filter = FilterMode::LINEAR; + break; + case TextureFilter::TEXTURE_FILTER_NEAREST_WITH_MIPMAPS: + case TextureFilter::TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC: + min_filter = FilterMode::NEAREST_MIPMAP_LINEAR; + mag_filter = FilterMode::NEAREST; + break; + case TextureFilter::TEXTURE_FILTER_LINEAR_WITH_MIPMAPS: + case TextureFilter::TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC: + default: + min_filter = FilterMode::LINEAR_MIPMAP_LINEAR; + mag_filter = FilterMode::LINEAR; + break; + } + } + + bool get_wrap_mode() const { + // BaseMaterial3D presents wrapping as a boolean property. Either the texture is repeated + // in both dimensions, non-mirrored, or it isn't repeated at all. This will cause oddities + // when people import models having other wrapping mode combinations. + return (wrap_s == WrapMode::REPEAT) && (wrap_t == WrapMode::REPEAT); + } + + void set_wrap_mode(bool mat_repeats) { + if (mat_repeats) { + wrap_s = WrapMode::REPEAT; + wrap_t = WrapMode::REPEAT; + } else { + wrap_s = WrapMode::CLAMP_TO_EDGE; + wrap_t = WrapMode::CLAMP_TO_EDGE; + } + } + +protected: + static void _bind_methods(); + +private: + FilterMode mag_filter = FilterMode::LINEAR; + FilterMode min_filter = FilterMode::LINEAR_MIPMAP_LINEAR; + WrapMode wrap_s = WrapMode::REPEAT; + WrapMode wrap_t = WrapMode::REPEAT; +}; + +VARIANT_ENUM_CAST(GLTFTextureSampler::FilterMode); +VARIANT_ENUM_CAST(GLTFTextureSampler::WrapMode); + +#endif // GLTF_TEXTURE_SAMPLER_H |