obs-StreamFX/source/obs/gs/gs-effect-parameter.hpp
Michael Fabian 'Xaymar' Dirks ad64314b37 obs/gs/effect: Use the actual shared_ptr, not a pointer to it
Fixes several warnings and potential memory corruptions that could happen. Also makes the entire thing easier to read.
2020-07-29 05:17:42 +02:00

307 lines
7 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
*/
#pragma once
#include "common.hpp"
#include "gs-sampler.hpp"
#include "gs-texture.hpp"
namespace gs {
class effect_parameter : public std::shared_ptr<gs_eparam_t> {
std::shared_ptr<gs_effect_t> _effect_parent;
std::shared_ptr<gs_epass_t> _pass_parent;
std::shared_ptr<gs_eparam_t> _param_parent;
public:
enum class type {
Unknown,
Boolean,
Float,
Float2,
Float3,
Float4,
Integer,
Integer2,
Integer3,
Integer4,
Matrix,
String,
Texture,
Invalid = -1,
};
public:
effect_parameter();
effect_parameter(gs_eparam_t* param);
effect_parameter(gs_eparam_t* param, std::shared_ptr<gs_effect_t> parent);
effect_parameter(gs_eparam_t* param, std::shared_ptr<gs_epass_t> parent);
effect_parameter(gs_eparam_t* param, std::shared_ptr<gs_eparam_t> parent);
~effect_parameter();
effect_parameter(const effect_parameter& rhs);
effect_parameter& operator=(const effect_parameter& rhs);
effect_parameter(effect_parameter&& rhs) noexcept;
effect_parameter& operator=(effect_parameter&& rhs) noexcept;
std::string_view get_name();
type get_type();
std::size_t count_annotations();
effect_parameter get_annotation(std::size_t idx);
effect_parameter get_annotation(const std::string_view name);
bool has_annotation(const std::string_view name);
bool has_annotation(const std::string_view name, effect_parameter::type type);
public /* Memory API */:
std::size_t get_default_value_size_in_bytes()
{
return gs_effect_get_default_val_size(get());
}
template<typename T>
std::size_t get_default_value_size()
{
return gs_effect_get_default_val_size(get()) / sizeof(T);
}
template<typename T>
bool get_default_value(T v[], std::size_t len)
{
if (len != get_default_value_size<T>()) {
return false;
}
if (T* ptr = reinterpret_cast<T*>(gs_effect_get_default_val(get())); ptr != nullptr) {
for (std::size_t idx = 0; idx < len; idx++) {
v[idx] = *(ptr + idx);
}
bfree(ptr);
return true;
}
return false;
}
std::size_t get_value_size_in_bytes()
{
return gs_effect_get_val_size(get());
}
template<typename T>
std::size_t get_value_size()
{
return gs_effect_get_val_size(get()) / sizeof(T);
}
template<typename T>
bool get_value(T v[], std::size_t len)
{
if (len != get_value_size<T>()) {
return false;
}
if (T* ptr = reinterpret_cast<T*>(gs_effect_get_val(get())); ptr != nullptr) {
for (std::size_t idx = 0; idx < len; idx++) {
v[idx] = *(ptr + idx);
}
bfree(ptr);
return true;
}
return false;
}
template<typename T>
bool set_value(T v[], std::size_t len)
{
gs_effect_set_val(get(), v, sizeof(T) * len);
return true;
}
public /* Value API */:
void set_bool(bool v);
void get_bool(bool& v);
void get_default_bool(bool& v);
void set_bool_array(bool v[], std::size_t sz);
void set_float(float_t x);
void get_float(float_t& x);
void get_default_float(float_t& x);
void set_float2(vec2 const& v);
void get_float2(vec2& v);
void get_default_float2(vec2& v);
void set_float2(float_t x, float_t y);
void get_float2(float_t& x, float_t& y);
void get_default_float2(float_t& x, float_t& y);
void set_float3(vec3 const& v);
void get_float3(vec3& v);
void get_default_float3(vec3& v);
void set_float3(float_t x, float_t y, float_t z);
void get_float3(float_t& x, float_t& y, float_t& z);
void get_default_float3(float_t& x, float_t& y, float_t& z);
void set_float4(vec4 const& v);
void get_float4(vec4& v);
void get_default_float4(vec4& v);
void set_float4(float_t x, float_t y, float_t z, float_t w);
void get_float4(float_t& x, float_t& y, float_t& z, float_t& w);
void get_default_float4(float_t& x, float_t& y, float_t& z, float_t& w);
void set_int(int32_t x);
void get_int(int32_t& x);
void get_default_int(int32_t& x);
void set_int2(int32_t x, int32_t y);
void get_int2(int32_t& x, int32_t& y);
void get_default_int2(int32_t& x, int32_t& y);
void set_int3(int32_t x, int32_t y, int32_t z);
void get_int3(int32_t& x, int32_t& y, int32_t& z);
void get_default_int3(int32_t& x, int32_t& y, int32_t& z);
void set_int4(int32_t x, int32_t y, int32_t z, int32_t w);
void get_int4(int32_t& x, int32_t& y, int32_t& z, int32_t& w);
void get_default_int4(int32_t& x, int32_t& y, int32_t& z, int32_t& w);
void set_matrix(matrix4 const& v);
void get_matrix(matrix4& v);
void get_default_matrix(matrix4& v);
void set_texture(std::shared_ptr<gs::texture> v);
void set_texture(gs_texture_t* v);
void set_sampler(std::shared_ptr<gs::sampler> v);
void set_sampler(gs_sampler_state* v);
void set_string(std::string const& v);
void get_string(std::string& v);
void get_default_string(std::string& v);
public /* Helpers */:
inline float_t get_bool()
{
bool v;
get_bool(v);
return v;
};
inline bool get_default_bool()
{
bool v;
get_default_bool(v);
return v;
};
inline float_t get_float()
{
float_t v;
get_float(v);
return v;
};
inline float_t get_default_float()
{
float_t v;
get_default_float(v);
return v;
};
inline vec2 get_float2()
{
vec2 v;
get_float2(v);
return v;
};
inline vec2 get_default_float2()
{
vec2 v;
get_default_float2(v);
return v;
};
inline vec3 get_float3()
{
vec3 v;
get_float3(v);
return v;
};
inline vec3 get_default_float3()
{
vec3 v;
get_default_float3(v);
return v;
};
inline vec4 get_float4()
{
vec4 v;
get_float4(v);
return v;
};
inline vec4 get_default_float4()
{
vec4 v;
get_default_float4(v);
return v;
};
inline int32_t get_int()
{
int32_t v;
get_int(v);
return v;
};
inline int32_t get_default_int()
{
int32_t v;
get_default_int(v);
return v;
};
inline matrix4 get_matrix()
{
matrix4 v;
get_matrix(v);
return v;
};
inline matrix4 get_default_matrix()
{
matrix4 v;
get_default_matrix(v);
return v;
};
inline std::string get_string()
{
std::string v;
get_string(v);
return v;
};
inline std::string get_default_string()
{
std::string v;
get_default_string(v);
return v;
};
};
} // namespace gs