mirror of
https://github.com/Xaymar/obs-StreamFX
synced 2024-11-30 23:33:02 +00:00
317 lines
8 KiB
C++
317 lines
8 KiB
C++
/*
|
|
* Modern effects for a modern Streamer
|
|
* Copyright (C) 2017 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.h"
|
|
#include <stdexcept>
|
|
|
|
extern "C" {
|
|
#pragma warning(push)
|
|
#pragma warning(disable : 4201)
|
|
#include <obs.h>
|
|
#pragma warning(pop)
|
|
}
|
|
|
|
gs::effect::effect() : m_effect(nullptr) {}
|
|
|
|
gs::effect::effect(std::string file)
|
|
{
|
|
obs_enter_graphics();
|
|
char* errorMessage = nullptr;
|
|
m_effect = gs_effect_create_from_file(file.c_str(), &errorMessage);
|
|
if (!m_effect || errorMessage) {
|
|
std::string error = "Generic Error";
|
|
if (errorMessage) {
|
|
error = std::string(errorMessage);
|
|
bfree((void*)errorMessage);
|
|
}
|
|
obs_leave_graphics();
|
|
throw std::runtime_error(error);
|
|
}
|
|
obs_leave_graphics();
|
|
}
|
|
|
|
gs::effect::effect(std::string code, std::string name)
|
|
{
|
|
obs_enter_graphics();
|
|
char* errorMessage = nullptr;
|
|
m_effect = gs_effect_create(code.c_str(), name.c_str(), &errorMessage);
|
|
if (!m_effect || errorMessage) {
|
|
std::string error = "Generic Error";
|
|
if (errorMessage) {
|
|
error = std::string(errorMessage);
|
|
bfree((void*)errorMessage);
|
|
}
|
|
obs_leave_graphics();
|
|
throw std::runtime_error(error);
|
|
}
|
|
obs_leave_graphics();
|
|
}
|
|
|
|
gs::effect::~effect()
|
|
{
|
|
obs_enter_graphics();
|
|
gs_effect_destroy(m_effect);
|
|
obs_leave_graphics();
|
|
}
|
|
|
|
gs_effect_t* gs::effect::get_object()
|
|
{
|
|
return m_effect;
|
|
}
|
|
|
|
size_t gs::effect::count_parameters()
|
|
{
|
|
return (size_t)gs_effect_get_num_params(m_effect);
|
|
}
|
|
|
|
std::list<gs::effect_parameter> gs::effect::get_parameters()
|
|
{
|
|
size_t num = gs_effect_get_num_params(m_effect);
|
|
std::list<gs::effect_parameter> ps;
|
|
for (size_t idx = 0; idx < num; idx++) {
|
|
ps.emplace_back(get_parameter(idx));
|
|
}
|
|
return ps;
|
|
}
|
|
|
|
gs::effect_parameter gs::effect::get_parameter(size_t idx)
|
|
{
|
|
gs_eparam_t* param = gs_effect_get_param_by_idx(m_effect, idx);
|
|
if (!param)
|
|
throw std::invalid_argument("parameter with index not found");
|
|
return effect_parameter(param);
|
|
}
|
|
|
|
bool gs::effect::has_parameter(std::string name)
|
|
{
|
|
gs_eparam_t* param = gs_effect_get_param_by_name(m_effect, name.c_str());
|
|
return (param != nullptr);
|
|
}
|
|
|
|
bool gs::effect::has_parameter(std::string name, effect_parameter::type type)
|
|
{
|
|
gs_eparam_t* param = gs_effect_get_param_by_name(m_effect, name.c_str());
|
|
if (param == nullptr)
|
|
return false;
|
|
gs::effect_parameter eprm(param);
|
|
return eprm.get_type() == type;
|
|
}
|
|
|
|
gs::effect_parameter gs::effect::get_parameter(std::string name)
|
|
{
|
|
gs_eparam_t* param = gs_effect_get_param_by_name(m_effect, name.c_str());
|
|
if (!param)
|
|
throw std::invalid_argument("parameter with name not found");
|
|
return effect_parameter(param);
|
|
}
|
|
|
|
gs::effect_parameter::effect_parameter(gs_eparam_t* param)
|
|
{
|
|
if (!param)
|
|
throw std::invalid_argument("param is null");
|
|
|
|
m_param = param;
|
|
gs_effect_get_param_info(m_param, &m_paramInfo);
|
|
}
|
|
|
|
std::string gs::effect_parameter::get_name()
|
|
{
|
|
return m_paramInfo.name;
|
|
}
|
|
|
|
gs::effect_parameter::type gs::effect_parameter::get_type()
|
|
{
|
|
switch (m_paramInfo.type) {
|
|
case GS_SHADER_PARAM_BOOL:
|
|
return type::Boolean;
|
|
case GS_SHADER_PARAM_FLOAT:
|
|
return type::Float;
|
|
case GS_SHADER_PARAM_VEC2:
|
|
return type::Float2;
|
|
case GS_SHADER_PARAM_VEC3:
|
|
return type::Float3;
|
|
case GS_SHADER_PARAM_VEC4:
|
|
return type::Float4;
|
|
case GS_SHADER_PARAM_INT:
|
|
return type::Integer;
|
|
case GS_SHADER_PARAM_INT2:
|
|
return type::Integer2;
|
|
case GS_SHADER_PARAM_INT3:
|
|
return type::Integer3;
|
|
case GS_SHADER_PARAM_INT4:
|
|
return type::Integer4;
|
|
case GS_SHADER_PARAM_MATRIX4X4:
|
|
return type::Matrix;
|
|
case GS_SHADER_PARAM_TEXTURE:
|
|
return type::Texture;
|
|
//case GS_SHADER_PARAM_STRING:
|
|
// return Type::String;
|
|
default:
|
|
case GS_SHADER_PARAM_UNKNOWN:
|
|
return type::Unknown;
|
|
}
|
|
}
|
|
|
|
void gs::effect_parameter::set_bool(bool v)
|
|
{
|
|
if (get_type() != type::Boolean)
|
|
throw std::bad_cast();
|
|
gs_effect_set_bool(m_param, v);
|
|
}
|
|
|
|
void gs::effect_parameter::set_bool_array(bool v[], size_t sz)
|
|
{
|
|
if (get_type() != type::Boolean)
|
|
throw std::bad_cast();
|
|
gs_effect_set_val(m_param, v, sz);
|
|
}
|
|
|
|
void gs::effect_parameter::set_float(float_t x)
|
|
{
|
|
if (get_type() != type::Float)
|
|
throw std::bad_cast();
|
|
gs_effect_set_float(m_param, x);
|
|
}
|
|
|
|
void gs::effect_parameter::set_float2(vec2& v)
|
|
{
|
|
if (get_type() != type::Float2)
|
|
throw std::bad_cast();
|
|
gs_effect_set_vec2(m_param, &v);
|
|
}
|
|
|
|
void gs::effect_parameter::set_float2(float_t x, float_t y)
|
|
{
|
|
if (get_type() != type::Float2)
|
|
throw std::bad_cast();
|
|
vec2 v = {x, y};
|
|
gs_effect_set_vec2(m_param, &v);
|
|
}
|
|
|
|
void gs::effect_parameter::set_float3(vec3& v)
|
|
{
|
|
if (get_type() != type::Float3)
|
|
throw std::bad_cast();
|
|
gs_effect_set_vec3(m_param, &v);
|
|
}
|
|
|
|
void gs::effect_parameter::set_float3(float_t x, float_t y, float_t z)
|
|
{
|
|
if (get_type() != type::Float3)
|
|
throw std::bad_cast();
|
|
vec3 v = {x, y, z};
|
|
gs_effect_set_vec3(m_param, &v);
|
|
}
|
|
|
|
void gs::effect_parameter::set_float4(vec4& v)
|
|
{
|
|
if (get_type() != type::Float4)
|
|
throw std::bad_cast();
|
|
gs_effect_set_vec4(m_param, &v);
|
|
}
|
|
|
|
void gs::effect_parameter::set_float4(float_t x, float_t y, float_t z, float_t w)
|
|
{
|
|
if (get_type() != type::Float4)
|
|
throw std::bad_cast();
|
|
vec4 v = {x, y, z, w};
|
|
gs_effect_set_vec4(m_param, &v);
|
|
}
|
|
|
|
void gs::effect_parameter::set_float_array(float_t v[], size_t sz)
|
|
{
|
|
if ((get_type() != type::Float) && (get_type() != type::Float2) && (get_type() != type::Float3)
|
|
&& (get_type() != type::Float4))
|
|
throw std::bad_cast();
|
|
gs_effect_set_val(m_param, v, sizeof(float_t) * sz);
|
|
}
|
|
|
|
void gs::effect_parameter::set_int(int32_t x)
|
|
{
|
|
if ((get_type() != type::Integer) && (get_type() != type::Unknown))
|
|
throw std::bad_cast();
|
|
gs_effect_set_int(m_param, x);
|
|
}
|
|
|
|
void gs::effect_parameter::set_int2(int32_t x, int32_t y)
|
|
{
|
|
if ((get_type() != type::Integer2) && (get_type() != type::Unknown))
|
|
throw std::bad_cast();
|
|
int32_t v[2] = {x, y};
|
|
gs_effect_set_val(m_param, v, sizeof(int) * 2);
|
|
}
|
|
|
|
void gs::effect_parameter::set_int3(int32_t x, int32_t y, int32_t z)
|
|
{
|
|
if ((get_type() != type::Integer3) && (get_type() != type::Unknown))
|
|
throw std::bad_cast();
|
|
int32_t v[3] = {x, y, z};
|
|
gs_effect_set_val(m_param, v, sizeof(int) * 3);
|
|
}
|
|
|
|
void gs::effect_parameter::set_int4(int32_t x, int32_t y, int32_t z, int32_t w)
|
|
{
|
|
if ((get_type() != type::Integer4) && (get_type() != type::Unknown))
|
|
throw std::bad_cast();
|
|
int32_t v[4] = {x, y, z, w};
|
|
gs_effect_set_val(m_param, v, sizeof(int) * 4);
|
|
}
|
|
|
|
void gs::effect_parameter::set_int_array(int32_t v[], size_t sz)
|
|
{
|
|
if ((get_type() != type::Integer) && (get_type() != type::Integer2) && (get_type() != type::Integer3)
|
|
&& (get_type() != type::Integer4) && (get_type() != type::Unknown))
|
|
throw std::bad_cast();
|
|
gs_effect_set_val(m_param, v, sizeof(int) * sz);
|
|
}
|
|
|
|
void gs::effect_parameter::set_matrix(matrix4& v)
|
|
{
|
|
if (get_type() != type::Matrix)
|
|
throw std::bad_cast();
|
|
gs_effect_set_matrix4(m_param, &v);
|
|
}
|
|
|
|
void gs::effect_parameter::set_texture(std::shared_ptr<gs::texture> v)
|
|
{
|
|
if (get_type() != type::Texture)
|
|
throw std::bad_cast();
|
|
gs_effect_set_texture(m_param, v->get_object());
|
|
}
|
|
|
|
void gs::effect_parameter::set_texture(gs_texture_t* v)
|
|
{
|
|
if (get_type() != type::Texture)
|
|
throw std::bad_cast();
|
|
gs_effect_set_texture(m_param, v);
|
|
}
|
|
|
|
void gs::effect_parameter::set_sampler(std::shared_ptr<gs::sampler> v)
|
|
{
|
|
if (get_type() != type::Texture)
|
|
throw std::bad_cast();
|
|
gs_effect_set_next_sampler(m_param, v->get_object());
|
|
}
|
|
|
|
void gs::effect_parameter::set_sampler(gs_sampler_state* v)
|
|
{
|
|
if (get_type() != type::Texture)
|
|
throw std::bad_cast();
|
|
gs_effect_set_next_sampler(m_param, v);
|
|
}
|