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