mirror of https://github.com/Xaymar/obs-StreamFX
119 lines
3.8 KiB
C++
119 lines
3.8 KiB
C++
/*
|
|
* Modern effects for a modern Streamer
|
|
* Copyright (C) 2019 Michael Fabian Dirks
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "gs-effect-pass.hpp"
|
|
|
|
#include "warning-disable.hpp"
|
|
#include <cstring>
|
|
#include "warning-enable.hpp"
|
|
|
|
extern "C" {
|
|
#include "warning-disable.hpp"
|
|
#include <graphics/effect.h>
|
|
#include "warning-enable.hpp"
|
|
}
|
|
|
|
streamfx::obs::gs::effect_pass::effect_pass(gs_epass_t* pass, std::shared_ptr<gs_technique_t> parent) : _parent(parent)
|
|
{
|
|
reset(pass, [](void*) {});
|
|
}
|
|
|
|
streamfx::obs::gs::effect_pass::~effect_pass() = default;
|
|
|
|
std::string streamfx::obs::gs::effect_pass::name()
|
|
{
|
|
const char* name_c = get()->name;
|
|
std::size_t name_len = strnlen(name_c, 256);
|
|
return name_c ? std::string(name_c, name_c + name_len) : std::string();
|
|
}
|
|
|
|
std::size_t streamfx::obs::gs::effect_pass::count_vertex_parameters()
|
|
{
|
|
return static_cast<size_t>(get()->vertshader_params.num);
|
|
}
|
|
|
|
streamfx::obs::gs::effect_parameter streamfx::obs::gs::effect_pass::get_vertex_parameter(std::size_t idx)
|
|
{
|
|
if (idx >= count_vertex_parameters())
|
|
return nullptr;
|
|
|
|
return streamfx::obs::gs::effect_parameter((get()->vertshader_params.array + idx)->eparam, *this);
|
|
}
|
|
|
|
streamfx::obs::gs::effect_parameter streamfx::obs::gs::effect_pass::get_vertex_parameter(std::string_view name)
|
|
{
|
|
for (std::size_t idx = 0; idx < count_vertex_parameters(); idx++) {
|
|
auto ptr = get()->vertshader_params.array + idx;
|
|
if (strcmp(ptr->eparam->name, name.data()) == 0)
|
|
return streamfx::obs::gs::effect_parameter(ptr->eparam, *this);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool streamfx::obs::gs::effect_pass::has_vertex_parameter(std::string_view name)
|
|
{
|
|
return (get_vertex_parameter(name) != nullptr);
|
|
}
|
|
|
|
bool streamfx::obs::gs::effect_pass::has_vertex_parameter(std::string_view name,
|
|
streamfx::obs::gs::effect_parameter::type type)
|
|
{
|
|
if (auto el = get_vertex_parameter(name); el != nullptr) {
|
|
return el.get_type() == type;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
std::size_t streamfx::obs::gs::effect_pass::count_pixel_parameters()
|
|
{
|
|
return static_cast<size_t>(get()->pixelshader_params.num);
|
|
}
|
|
|
|
streamfx::obs::gs::effect_parameter streamfx::obs::gs::effect_pass::get_pixel_parameter(std::size_t idx)
|
|
{
|
|
if (idx >= count_pixel_parameters())
|
|
return nullptr;
|
|
|
|
return streamfx::obs::gs::effect_parameter((get()->pixelshader_params.array + idx)->eparam, *this);
|
|
}
|
|
|
|
streamfx::obs::gs::effect_parameter streamfx::obs::gs::effect_pass::get_pixel_parameter(std::string_view name)
|
|
{
|
|
for (std::size_t idx = 0; idx < count_pixel_parameters(); idx++) {
|
|
auto ptr = get()->pixelshader_params.array + idx;
|
|
if (strcmp(ptr->eparam->name, name.data()) == 0)
|
|
return streamfx::obs::gs::effect_parameter(ptr->eparam, *this);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool streamfx::obs::gs::effect_pass::has_pixel_parameter(std::string_view name)
|
|
{
|
|
return (get_pixel_parameter(name) != nullptr);
|
|
}
|
|
|
|
bool streamfx::obs::gs::effect_pass::has_pixel_parameter(std::string_view name,
|
|
streamfx::obs::gs::effect_parameter::type type)
|
|
{
|
|
if (auto el = get_pixel_parameter(name); el != nullptr) {
|
|
return el.get_type() == type;
|
|
}
|
|
return false;
|
|
}
|