121 lines
3.8 KiB
C++
121 lines
3.8 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-pass.hpp"
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#include <cstring>
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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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streamfx::obs::gs::effect_pass::effect_pass(gs_epass_t* pass, std::shared_ptr<gs_technique_t> parent) : _parent(parent)
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{
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reset(pass, [](void*) {});
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}
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streamfx::obs::gs::effect_pass::~effect_pass() = default;
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std::string streamfx::obs::gs::effect_pass::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 streamfx::obs::gs::effect_pass::count_vertex_parameters()
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{
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return static_cast<size_t>(get()->vertshader_params.num);
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}
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streamfx::obs::gs::effect_parameter streamfx::obs::gs::effect_pass::get_vertex_parameter(std::size_t idx)
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{
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if (idx >= count_vertex_parameters())
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return nullptr;
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return streamfx::obs::gs::effect_parameter((get()->vertshader_params.array + idx)->eparam, *this);
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}
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streamfx::obs::gs::effect_parameter streamfx::obs::gs::effect_pass::get_vertex_parameter(std::string_view name)
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{
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for (std::size_t idx = 0; idx < count_vertex_parameters(); idx++) {
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auto ptr = get()->vertshader_params.array + idx;
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if (strcmp(ptr->eparam->name, name.data()) == 0)
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return streamfx::obs::gs::effect_parameter(ptr->eparam, *this);
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}
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return nullptr;
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}
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bool streamfx::obs::gs::effect_pass::has_vertex_parameter(std::string_view name)
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{
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return (get_vertex_parameter(name) != nullptr);
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}
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bool streamfx::obs::gs::effect_pass::has_vertex_parameter(std::string_view name,
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streamfx::obs::gs::effect_parameter::type type)
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{
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if (auto el = get_vertex_parameter(name); el != nullptr) {
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return el.get_type() == type;
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}
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return false;
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}
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std::size_t streamfx::obs::gs::effect_pass::count_pixel_parameters()
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{
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return static_cast<size_t>(get()->pixelshader_params.num);
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}
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streamfx::obs::gs::effect_parameter streamfx::obs::gs::effect_pass::get_pixel_parameter(std::size_t idx)
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{
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if (idx >= count_pixel_parameters())
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return nullptr;
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return streamfx::obs::gs::effect_parameter((get()->pixelshader_params.array + idx)->eparam, *this);
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}
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streamfx::obs::gs::effect_parameter streamfx::obs::gs::effect_pass::get_pixel_parameter(std::string_view name)
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{
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for (std::size_t idx = 0; idx < count_pixel_parameters(); idx++) {
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auto ptr = get()->pixelshader_params.array + idx;
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if (strcmp(ptr->eparam->name, name.data()) == 0)
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return streamfx::obs::gs::effect_parameter(ptr->eparam, *this);
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}
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return nullptr;
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}
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bool streamfx::obs::gs::effect_pass::has_pixel_parameter(std::string_view name)
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{
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return (get_pixel_parameter(name) != nullptr);
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}
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bool streamfx::obs::gs::effect_pass::has_pixel_parameter(std::string_view name,
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streamfx::obs::gs::effect_parameter::type type)
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{
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if (auto el = get_pixel_parameter(name); el != nullptr) {
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return el.get_type() == type;
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}
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return false;
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}
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