78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
/**
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This file is a part of our_dick
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Copyright (C) 2020 rexy712
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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 Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OUR_DICK_GRAPHICS_OGL_SHADER_HPP
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#define OUR_DICK_GRAPHICS_OGL_SHADER_HPP
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#include "gl_include.hpp"
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#include <string>
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namespace gfx::ogl{
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//class representing an opengl shader (NOT an opengl program)
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class shader
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{
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public:
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//Strongly typed enum of possible shader types
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enum class type : GLuint{
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FRAGMENT = GL_FRAGMENT_SHADER,
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VERTEX = GL_VERTEX_SHADER,
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GEOMETRY = GL_GEOMETRY_SHADER,
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COMPUTE = GL_COMPUTE_SHADER,
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TESS_CONTROL = GL_TESS_CONTROL_SHADER,
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TESS_EVALUATION = GL_TESS_EVALUATION_SHADER,
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};
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private:
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GLuint m_shader_id = 0; //handle to shader object
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public:
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//initialize this shader with the type 't' and add no source text
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explicit shader(type t);
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//initialize this shader with the type 't't and load in 'data' as source text
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shader(const char* data, type t);
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shader(const shader&);
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shader(shader&&);
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~shader();
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shader& operator=(const shader&);
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shader& operator=(shader&&);
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//change the shader source to 'data' and recompile
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bool load(const char* data);
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//change the shader source and shader type then recompile
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bool reload(const char* data, type t);
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//release ownership of the shader handle. unsafe
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GLuint release();
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type get_type()const;
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//raw access to shader handle
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GLuint raw()const;
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//get most recently generated error from this shader's infolog
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std::string get_error()const;
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//check if an error exists after a compilation attempt
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bool has_compile_error()const;
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};
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}
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#endif
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