obs-StreamFX/source/obs/gs/gs-effect-parameter.cpp

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/*
* 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-parameter.hpp"
#include <cstring>
#include <stdexcept>
#include "gs-effect-pass.hpp"
extern "C" {
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4201)
#endif
#include <graphics/effect.h>
#ifdef _MSC_VER
#pragma warning(pop)
#endif
}
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streamfx::obs::gs::effect_parameter::effect_parameter()
: _effect_parent(nullptr), _pass_parent(nullptr), _param_parent(nullptr)
{
reset();
}
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streamfx::obs::gs::effect_parameter::effect_parameter(gs_eparam_t* param)
: _effect_parent(nullptr), _pass_parent(nullptr), _param_parent(nullptr)
{
reset(param, [](void*) {});
}
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streamfx::obs::gs::effect_parameter::effect_parameter(gs_eparam_t* param, std::shared_ptr<gs_effect_t> parent)
: effect_parameter(param)
{
_effect_parent = parent;
}
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streamfx::obs::gs::effect_parameter::effect_parameter(gs_eparam_t* param, std::shared_ptr<gs_epass_t> parent)
: effect_parameter(param)
{
_pass_parent = parent;
}
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streamfx::obs::gs::effect_parameter::effect_parameter(gs_eparam_t* param, std::shared_ptr<gs_eparam_t> parent)
: effect_parameter(param)
{
_param_parent = parent;
}
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streamfx::obs::gs::effect_parameter::~effect_parameter() {}
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streamfx::obs::gs::effect_parameter::effect_parameter(const effect_parameter& rhs)
{
reset(rhs.get(), [](void*) {});
_effect_parent = rhs._effect_parent;
_pass_parent = rhs._pass_parent;
_param_parent = rhs._param_parent;
}
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streamfx::obs::gs::effect_parameter& streamfx::obs::gs::effect_parameter::operator=(const effect_parameter& rhs)
{
reset(rhs.get(), [](void*) {});
_effect_parent = rhs._effect_parent;
_pass_parent = rhs._pass_parent;
_param_parent = rhs._param_parent;
return *this;
}
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streamfx::obs::gs::effect_parameter::effect_parameter(effect_parameter&& rhs) noexcept
try {
reset(rhs.get(), [](gs_eparam_t*) {});
_effect_parent = rhs._effect_parent;
_pass_parent = rhs._pass_parent;
_param_parent = rhs._param_parent;
rhs.reset();
rhs._effect_parent = nullptr;
rhs._pass_parent = nullptr;
rhs._param_parent = nullptr;
} catch (...) {
}
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streamfx::obs::gs::effect_parameter& streamfx::obs::gs::effect_parameter::operator=(effect_parameter&& rhs) noexcept
try {
reset(rhs.get(), [](gs_eparam_t*) {});
_effect_parent = rhs._effect_parent;
_pass_parent = rhs._pass_parent;
_param_parent = rhs._param_parent;
rhs.reset();
rhs._effect_parent = nullptr;
rhs._pass_parent = nullptr;
rhs._param_parent = nullptr;
return *this;
} catch (...) {
return *this;
}
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std::string_view streamfx::obs::gs::effect_parameter::get_name()
{
return std::string_view{get()->name};
}
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streamfx::obs::gs::effect_parameter::type streamfx::obs::gs::effect_parameter::get_type()
{
switch (get()->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;
}
}
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inline std::size_t streamfx::obs::gs::effect_parameter::count_annotations()
{
return gs_param_get_num_annotations(get());
}
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streamfx::obs::gs::effect_parameter streamfx::obs::gs::effect_parameter::get_annotation(std::size_t idx)
{
if (idx >= get()->annotations.num) {
return nullptr;
}
return effect_parameter(get()->annotations.array + idx, *this);
}
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streamfx::obs::gs::effect_parameter streamfx::obs::gs::effect_parameter::get_annotation(const std::string_view name)
{
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for (std::size_t idx = 0; idx < get()->annotations.num; idx++) {
auto ptr = get()->annotations.array + idx;
if (name == std::string_view{ptr->name}) {
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return streamfx::obs::gs::effect_parameter(ptr, *this);
}
}
return nullptr;
}
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bool streamfx::obs::gs::effect_parameter::has_annotation(const std::string_view name)
{
auto eprm = get_annotation(name);
if (eprm)
return true;
return false;
}
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bool streamfx::obs::gs::effect_parameter::has_annotation(const std::string_view name, effect_parameter::type type)
{
auto eprm = get_annotation(name);
if (eprm)
return eprm.get_type() == type;
return false;
}
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void streamfx::obs::gs::effect_parameter::set_bool(bool v)
{
if (get_type() != type::Boolean)
throw std::bad_cast();
gs_effect_set_bool(get(), v);
}
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void streamfx::obs::gs::effect_parameter::get_bool(bool& v)
{
if (get_type() != type::Boolean)
throw std::bad_cast();
void* ptr = gs_effect_get_val(get());
if (ptr) {
v = *reinterpret_cast<bool*>(ptr);
bfree(ptr);
} else {
v = false;
}
}
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void streamfx::obs::gs::effect_parameter::get_default_bool(bool& v)
{
if (get_type() != type::Boolean)
throw std::bad_cast();
void* ptr = gs_effect_get_default_val(get());
if (ptr) {
v = *reinterpret_cast<bool*>(ptr);
bfree(ptr);
} else {
v = false;
}
}
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void streamfx::obs::gs::effect_parameter::set_bool_array(bool v[], std::size_t sz)
{
if (get_type() != type::Boolean)
throw std::bad_cast();
gs_effect_set_val(get(), v, sz);
}
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void streamfx::obs::gs::effect_parameter::set_float(float_t x)
{
if (get_type() != type::Float)
throw std::bad_cast();
gs_effect_set_float(get(), x);
}
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void streamfx::obs::gs::effect_parameter::get_float(float_t& x)
{
if (get_type() != type::Float)
throw std::bad_cast();
void* ptr = gs_effect_get_val(get());
if (ptr) {
x = *reinterpret_cast<float_t*>(ptr);
bfree(ptr);
} else {
x = 0;
}
}
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void streamfx::obs::gs::effect_parameter::get_default_float(float_t& x)
{
if (get_type() != type::Float)
throw std::bad_cast();
void* ptr = gs_effect_get_default_val(get());
if (ptr) {
x = *reinterpret_cast<float_t*>(ptr);
bfree(ptr);
} else {
x = 0;
}
}
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void streamfx::obs::gs::effect_parameter::set_float2(vec2 const& v)
{
if (get_type() != type::Float2)
throw std::bad_cast();
gs_effect_set_vec2(get(), &v);
}
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void streamfx::obs::gs::effect_parameter::get_float2(vec2& v)
{
get_float2(v.x, v.y);
}
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void streamfx::obs::gs::effect_parameter::get_default_float2(vec2& v)
{
get_default_float2(v.x, v.y);
}
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void streamfx::obs::gs::effect_parameter::set_float2(float_t x, float_t y)
{
vec2 data;
data.x = x;
data.y = y;
set_float2(data);
}
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void streamfx::obs::gs::effect_parameter::get_float2(float_t& x, float_t& y)
{
if (get_type() != type::Float2)
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(get()));
if (ptr) {
x = *reinterpret_cast<float_t*>(ptr);
y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
bfree(ptr);
} else {
x = y = 0;
}
}
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void streamfx::obs::gs::effect_parameter::get_default_float2(float_t& x, float_t& y)
{
if (get_type() != type::Float2)
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(get()));
if (ptr) {
x = *reinterpret_cast<float_t*>(ptr);
y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
bfree(ptr);
} else {
x = y = 0;
}
}
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void streamfx::obs::gs::effect_parameter::set_float3(vec3 const& v)
{
if (get_type() != type::Float3)
throw std::bad_cast();
gs_effect_set_vec3(get(), &v);
}
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void streamfx::obs::gs::effect_parameter::get_float3(vec3& v)
{
get_float3(v.x, v.y, v.z);
}
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void streamfx::obs::gs::effect_parameter::get_default_float3(vec3& v)
{
get_default_float3(v.x, v.y, v.z);
}
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void streamfx::obs::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, 0}};
gs_effect_set_vec3(get(), &v);
}
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void streamfx::obs::gs::effect_parameter::get_float3(float_t& x, float_t& y, float_t& z)
{
if (get_type() != type::Float3)
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(get()));
if (ptr) {
x = *reinterpret_cast<float_t*>(ptr);
y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
bfree(ptr);
} else {
x = y = z = 0;
}
}
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void streamfx::obs::gs::effect_parameter::get_default_float3(float_t& x, float_t& y, float_t& z)
{
if (get_type() != type::Float3)
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(get()));
if (ptr) {
x = *reinterpret_cast<float_t*>(ptr);
y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
bfree(ptr);
} else {
x = y = z = 0;
}
}
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void streamfx::obs::gs::effect_parameter::set_float4(vec4 const& v)
{
if (get_type() != type::Float4)
throw std::bad_cast();
gs_effect_set_vec4(get(), &v);
}
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void streamfx::obs::gs::effect_parameter::get_float4(vec4& v)
{
get_float4(v.x, v.y, v.z, v.w);
}
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void streamfx::obs::gs::effect_parameter::get_default_float4(vec4& v)
{
get_default_float4(v.x, v.y, v.z, v.w);
}
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void streamfx::obs::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(get(), &v);
}
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void streamfx::obs::gs::effect_parameter::get_float4(float_t& x, float_t& y, float_t& z, float_t& w)
{
if (get_type() != type::Float4)
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(get()));
if (ptr) {
x = *reinterpret_cast<float_t*>(ptr);
y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 3);
bfree(ptr);
} else {
x = y = z = w = 0;
}
}
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void streamfx::obs::gs::effect_parameter::get_default_float4(float_t& x, float_t& y, float_t& z, float_t& w)
{
if (get_type() != type::Float4)
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(get()));
if (ptr) {
x = *reinterpret_cast<float_t*>(ptr);
y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t));
z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 3);
bfree(ptr);
} else {
x = y = z = w = 0;
}
}
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void streamfx::obs::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(get(), x);
}
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void streamfx::obs::gs::effect_parameter::get_int(int32_t& x)
{
if ((get_type() != type::Integer) && (get_type() != type::Unknown))
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(get()));
if (ptr) {
x = *reinterpret_cast<int32_t*>(ptr);
bfree(ptr);
} else {
x = 0;
}
}
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void streamfx::obs::gs::effect_parameter::get_default_int(int32_t& x)
{
if ((get_type() != type::Integer) && (get_type() != type::Unknown))
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(get()));
if (ptr) {
x = *reinterpret_cast<int32_t*>(ptr);
bfree(ptr);
} else {
x = 0;
}
}
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void streamfx::obs::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(get(), v, sizeof(int) * 2);
}
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void streamfx::obs::gs::effect_parameter::get_int2(int32_t& x, int32_t& y)
{
if ((get_type() != type::Integer2) && (get_type() != type::Unknown))
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(get()));
if (ptr) {
x = *reinterpret_cast<int32_t*>(ptr);
y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
bfree(ptr);
} else {
x = y = 0;
}
}
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void streamfx::obs::gs::effect_parameter::get_default_int2(int32_t& x, int32_t& y)
{
if ((get_type() != type::Integer2) && (get_type() != type::Unknown))
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(get()));
if (ptr) {
x = *reinterpret_cast<int32_t*>(ptr);
y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
bfree(ptr);
} else {
x = y = 0;
}
}
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void streamfx::obs::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(get(), v, sizeof(int) * 3);
}
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void streamfx::obs::gs::effect_parameter::get_int3(int32_t& x, int32_t& y, int32_t& z)
{
if ((get_type() != type::Integer3) && (get_type() != type::Unknown))
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(get()));
if (ptr) {
x = *reinterpret_cast<int32_t*>(ptr);
y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
z = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 2);
bfree(ptr);
} else {
x = y = z = 0;
}
}
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void streamfx::obs::gs::effect_parameter::get_default_int3(int32_t& x, int32_t& y, int32_t& z)
{
if ((get_type() != type::Integer3) && (get_type() != type::Unknown))
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(get()));
if (ptr) {
x = *reinterpret_cast<int32_t*>(ptr);
y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
z = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 2);
bfree(ptr);
} else {
x = y = z = 0;
}
}
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void streamfx::obs::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(get(), v, sizeof(int) * 4);
}
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void streamfx::obs::gs::effect_parameter::get_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();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(get()));
if (ptr) {
x = *reinterpret_cast<int32_t*>(ptr);
y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
z = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 2);
w = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 3);
bfree(ptr);
} else {
x = y = z = w = 0;
}
}
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void streamfx::obs::gs::effect_parameter::get_default_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();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(get()));
if (ptr) {
x = *reinterpret_cast<int32_t*>(ptr);
y = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t));
z = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 2);
w = *reinterpret_cast<int32_t*>(ptr + sizeof(int32_t) * 3);
bfree(ptr);
} else {
x = y = z = w = 0;
}
}
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void streamfx::obs::gs::effect_parameter::set_matrix(matrix4 const& v)
{
if (get_type() != type::Matrix)
throw std::bad_cast();
gs_effect_set_matrix4(get(), &v);
}
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void streamfx::obs::gs::effect_parameter::get_matrix(matrix4& v)
{
if (get_type() != type::Matrix)
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(get()));
if (ptr) {
v.x.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 0);
v.x.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 1);
v.x.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
v.x.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 3);
v.y.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 4);
v.y.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 5);
v.y.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 6);
v.y.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 7);
v.z.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 8);
v.z.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 9);
v.z.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 10);
v.z.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 11);
v.t.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 12);
v.t.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 13);
v.t.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 14);
v.t.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 15);
bfree(ptr);
} else {
v.x = vec4{};
v.y = vec4{};
v.z = vec4{};
v.t = vec4{};
}
}
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void streamfx::obs::gs::effect_parameter::get_default_matrix(matrix4& v)
{
if (get_type() != type::Matrix)
throw std::bad_cast();
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(get()));
if (ptr) {
v.x.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 0);
v.x.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 1);
v.x.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 2);
v.x.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 3);
v.y.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 4);
v.y.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 5);
v.y.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 6);
v.y.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 7);
v.z.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 8);
v.z.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 9);
v.z.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 10);
v.z.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 11);
v.t.x = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 12);
v.t.y = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 13);
v.t.z = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 14);
v.t.w = *reinterpret_cast<float_t*>(ptr + sizeof(float_t) * 15);
bfree(ptr);
} else {
v.x = vec4{};
v.y = vec4{};
v.z = vec4{};
v.t = vec4{};
}
}
void streamfx::obs::gs::effect_parameter::set_texture(std::shared_ptr<streamfx::obs::gs::texture> v, bool srgb)
{
set_texture(v->get_object(), srgb);
}
void streamfx::obs::gs::effect_parameter::set_texture(gs_texture_t* v, bool srgb)
{
if (get_type() != type::Texture)
throw std::bad_cast();
if (!srgb) {
gs_effect_set_texture(get(), v);
} else {
gs_effect_set_texture_srgb(get(), v);
}
}
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void streamfx::obs::gs::effect_parameter::set_sampler(std::shared_ptr<streamfx::obs::gs::sampler> v)
{
if (get_type() != type::Texture)
throw std::bad_cast();
gs_effect_set_next_sampler(get(), v->get_object());
}
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void streamfx::obs::gs::effect_parameter::set_sampler(gs_sampler_state* v)
{
if (get_type() != type::Texture)
throw std::bad_cast();
gs_effect_set_next_sampler(get(), v);
}
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void streamfx::obs::gs::effect_parameter::set_string(std::string const& v)
{
if (get_type() != type::String)
throw std::bad_cast();
gs_effect_set_val(get(), v.c_str(), v.length());
}
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void streamfx::obs::gs::effect_parameter::get_string(std::string& v)
{
if (get_type() != type::String)
throw std::bad_cast();
std::size_t ptr_len = gs_effect_get_val_size(get());
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_val(get()));
if (ptr) {
v = std::string(reinterpret_cast<int8_t*>(ptr), reinterpret_cast<int8_t*>(ptr) + ptr_len - 1);
bfree(ptr);
} else {
v = "";
}
}
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void streamfx::obs::gs::effect_parameter::get_default_string(std::string& v)
{
if (get_type() != type::String)
throw std::bad_cast();
std::size_t ptr_len = gs_effect_get_default_val_size(get());
uint8_t* ptr = static_cast<uint8_t*>(gs_effect_get_default_val(get()));
if (ptr) {
v = std::string(reinterpret_cast<int8_t*>(ptr), reinterpret_cast<int8_t*>(ptr) + ptr_len - 1);
bfree(ptr);
} else {
v = "";
}
}