diff options
Diffstat (limited to 'scene/resources/sky_material.cpp')
| -rw-r--r-- | scene/resources/sky_material.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/scene/resources/sky_material.cpp b/scene/resources/sky_material.cpp new file mode 100644 index 0000000000..8c2b339015 --- /dev/null +++ b/scene/resources/sky_material.cpp @@ -0,0 +1,191 @@ +/*************************************************************************/ +/* sky_material.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 "sky_material.h" + +Mutex *SkyMaterial::material_mutex = NULL; +SelfList<SkyMaterial>::List *SkyMaterial::dirty_materials = NULL; +Map<SkyMaterial::MaterialKey, SkyMaterial::ShaderData> SkyMaterial::shader_map; +SkyMaterial::ShaderNames *SkyMaterial::shader_names = NULL; + +void SkyMaterial::init_shaders() { + +#ifndef NO_THREADS + material_mutex = Mutex::create(); +#endif + + dirty_materials = memnew(SelfList<SkyMaterial>::List); + + shader_names = memnew(ShaderNames); + + shader_names->placeholder = "placeholder"; +} + +void SkyMaterial::finish_shaders() { + +#ifndef NO_THREADS + memdelete(material_mutex); +#endif + + memdelete(dirty_materials); + dirty_materials = NULL; + + memdelete(shader_names); +} + +void SkyMaterial::_update_shader() { + + dirty_materials->remove(&element); + + MaterialKey mk = _compute_key(); + if (mk.key == current_key.key) + return; //no update required in the end + + if (shader_map.has(current_key)) { + shader_map[current_key].users--; + if (shader_map[current_key].users == 0) { + //deallocate shader, as it's no longer in use + VS::get_singleton()->free(shader_map[current_key].shader); + shader_map.erase(current_key); + } + } + + current_key = mk; + + if (shader_map.has(mk)) { + + VS::get_singleton()->material_set_shader(_get_material(), shader_map[mk].shader); + shader_map[mk].users++; + return; + } + + //must create a shader! + + String code = "shader_type sky;\n"; + + ShaderData shader_data; + shader_data.shader = VS::get_singleton()->shader_create(); + shader_data.users = 1; + + VS::get_singleton()->shader_set_code(shader_data.shader, code); + + shader_map[mk] = shader_data; + + VS::get_singleton()->material_set_shader(_get_material(), shader_data.shader); +} + +void SkyMaterial::flush_changes() { + + if (material_mutex) + material_mutex->lock(); + + while (dirty_materials->first()) { + + dirty_materials->first()->self()->_update_shader(); + } + + if (material_mutex) + material_mutex->unlock(); +} + +void SkyMaterial::_queue_shader_change() { + + if (material_mutex) + material_mutex->lock(); + + if (!element.in_list()) { + dirty_materials->add(&element); + } + + if (material_mutex) + material_mutex->unlock(); +} + +bool SkyMaterial::_is_shader_dirty() const { + + bool dirty = false; + + if (material_mutex) + material_mutex->lock(); + + dirty = element.in_list(); + + if (material_mutex) + material_mutex->unlock(); + + return dirty; +} + + +RID SkyMaterial::get_shader_rid() const { + + ERR_FAIL_COND_V(!shader_map.has(current_key), RID()); + return shader_map[current_key].shader; +} + +void SkyMaterial::_validate_property(PropertyInfo &property) const { + +} + +Shader::Mode SkyMaterial::get_shader_mode() const { + + return Shader::MODE_SKY; +} + +void SkyMaterial::_bind_methods() { + +} + +SkyMaterial::SkyMaterial() : + element(this) { + + + _queue_shader_change(); +} + +SkyMaterial::~SkyMaterial() { + + if (material_mutex) + material_mutex->lock(); + + if (shader_map.has(current_key)) { + shader_map[current_key].users--; + if (shader_map[current_key].users == 0) { + //deallocate shader, as it's no longer in use + VS::get_singleton()->free(shader_map[current_key].shader); + shader_map.erase(current_key); + } + + VS::get_singleton()->material_set_shader(_get_material(), RID()); + } + + if (material_mutex) + material_mutex->unlock(); +} |