💿🐜 Antkeeper source code
https://antkeeper.com
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
2.8 KiB
123 lines
2.8 KiB
/*
|
|
* Copyright (C) 2021 Christopher J. Howard
|
|
*
|
|
* This file is part of Antkeeper source code.
|
|
*
|
|
* Antkeeper source code 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Antkeeper source code 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 Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef ANTKEEPER_GL_FRAMEBUFFER_HPP
|
|
#define ANTKEEPER_GL_FRAMEBUFFER_HPP
|
|
|
|
#include <array>
|
|
|
|
namespace gl {
|
|
|
|
class rasterizer;
|
|
class texture_2d;
|
|
|
|
enum class framebuffer_attachment_type
|
|
{
|
|
color,
|
|
depth,
|
|
stencil
|
|
};
|
|
|
|
class framebuffer
|
|
{
|
|
public:
|
|
/**
|
|
* Creates a framebuffer.
|
|
*/
|
|
framebuffer(int width, int height);
|
|
|
|
/// Destroys a framebuffer.
|
|
~framebuffer();
|
|
|
|
/**
|
|
* Resizes the framebuffer. Note: This does not resize any attached textures.
|
|
*
|
|
* @param width New width of the framebuffer.
|
|
* @param height New height of the framebuffer.
|
|
*/
|
|
void resize(const std::array<int, 2>& dimensions);
|
|
|
|
/**
|
|
* Attaches a color, depth, or stencil texture to the framebuffer.
|
|
*
|
|
* @param attachment_type Type of attachment.
|
|
*/
|
|
void attach(framebuffer_attachment_type attachment_type, texture_2d* texture);
|
|
|
|
/// Returns the dimensions of the framebuffer, in pixels.
|
|
const std::array<int, 2>& get_dimensions() const;
|
|
|
|
const texture_2d* get_color_attachment() const;
|
|
texture_2d* get_color_attachment();
|
|
const texture_2d* get_depth_attachment() const;
|
|
texture_2d* get_depth_attachment();
|
|
const texture_2d* get_stencil_attachment() const;
|
|
texture_2d* get_stencil_attachment();
|
|
|
|
private:
|
|
friend class rasterizer;
|
|
|
|
framebuffer();
|
|
|
|
unsigned int gl_framebuffer_id;
|
|
std::array<int, 2> dimensions;
|
|
texture_2d* color_attachment;
|
|
texture_2d* depth_attachment;
|
|
texture_2d* stencil_attachment;
|
|
};
|
|
|
|
inline const std::array<int, 2>& framebuffer::get_dimensions() const
|
|
{
|
|
return dimensions;
|
|
}
|
|
|
|
inline const texture_2d* framebuffer::get_color_attachment() const
|
|
{
|
|
return color_attachment;
|
|
}
|
|
|
|
inline texture_2d* framebuffer::get_color_attachment()
|
|
{
|
|
return color_attachment;
|
|
}
|
|
|
|
inline const texture_2d* framebuffer::get_depth_attachment() const
|
|
{
|
|
return depth_attachment;
|
|
}
|
|
|
|
inline texture_2d* framebuffer::get_depth_attachment()
|
|
{
|
|
return depth_attachment;
|
|
}
|
|
|
|
inline const texture_2d* framebuffer::get_stencil_attachment() const
|
|
{
|
|
return stencil_attachment;
|
|
}
|
|
|
|
inline texture_2d* framebuffer::get_stencil_attachment()
|
|
{
|
|
return stencil_attachment;
|
|
}
|
|
|
|
} // namespace gl
|
|
|
|
#endif // ANTKEEPER_GL_FRAMEBUFFER_HPP
|
|
|