80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2019 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "gs-effect-technique.hpp"
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#include <cstring>
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#include <stdexcept>
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extern "C" {
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4201)
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#endif
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#include <graphics/effect.h>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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}
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gs::effect_technique::effect_technique(gs_technique_t* technique, std::shared_ptr<gs_effect_t> parent) : _parent(parent)
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{
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reset(technique, [](void*) {});
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}
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gs::effect_technique::~effect_technique() {}
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std::string gs::effect_technique::name()
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{
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const char* name_c = get()->name;
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std::size_t name_len = strnlen(name_c, 256);
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return name_c ? std::string(name_c, name_c + name_len) : std::string();
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}
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std::size_t gs::effect_technique::count_passes()
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{
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return static_cast<size_t>(get()->passes.num);
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}
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gs::effect_pass gs::effect_technique::get_pass(std::size_t idx)
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{
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if (idx >= get()->passes.num) {
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return nullptr;
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}
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return gs::effect_pass(get()->passes.array + idx, *this);
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}
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gs::effect_pass gs::effect_technique::get_pass(std::string name)
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{
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for (std::size_t idx = 0; idx < get()->passes.num; idx++) {
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auto ptr = get()->passes.array + idx;
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if (strcmp(ptr->name, name.c_str()) == 0)
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return gs::effect_pass(ptr, *this);
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}
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return nullptr;
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}
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bool gs::effect_technique::has_pass(std::string name)
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{
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if (get_pass(name) != nullptr)
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return true;
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return false;
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}
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