2D OpenGL renderer. More...

#include <Renderer.hpp>

Collaboration diagram for galaxy::graphics::Renderer:

Public Member Functions
void	init ()
	Initialize renderer.

void	destroy ()
	Cleanup renderer data.

void	on_window_resized (const events::WindowResized &e)
	Event processing method for window size change.

void	submit_camera (Camera &camera)
	Set the camera to use when calling draw().

void	submit_cmd (RenderCommand &command)
	Add an entity rendering command.

void	submit_texture (const Texture2D &texture, VertexArray &va, Transform &tf, const int layer, const float opacity)
	Submit a standalone texture to be rendered.

void	submit_text (Text &text, Transform &tf, const int layer)
	Submit standalone text to be rendered.

void	submit_shape (Shape *shape, Transform &tf, const int layer)
	Submit a standalone shape to be rendered.

void	draw_texture_to_target (RenderTexture &target, Texture *texture, VertexArray &va, Transform &tf)
	Draw a texture to a render texture.

void	draw ()
	Draw all submitted render commands to screen.

void	flush ()
	Deletes all submitted render commands.

void	clear_active ()
	Clears currently active framebuffer.

void	begin_post ()
	Begin rendering to post process framebuffer.

void	end_post ()
	Renders effects to post processing framebuffer and rebinds to default framebuffer.

void	render_post ()
	Renders final post processing output to active framebuffer.

void	begin_default ()
	Start rendering to default framebuffer.

void	end_default ()
	Swaps buffers.

Static Public Member Functions
static Renderer &	ref ()
	Get reference to renderer singleton.

Private Member Functions
	Renderer ()
	Constructor.

	~Renderer ()=default
	Destructor.

void	calc_viewport (int window_width, int window_height)
	Need to recalculate default framebuffer viewport.

Private Attributes
meta::vector< RenderCommand >	m_cmds
	List of renderables to draw.

Shader	m_r2d_shader
	Mono render shader.

ShaderStorageBuffer	m_camera
	Camera buffer storage.

ShaderStorageBuffer	m_renderdata
	Uniform buffer storage.

PostProcess	m_post
	Post processor.

glm::vec4	m_viewport
	Default framebuffer viewport.

Detailed Description

2D OpenGL renderer.

Definition at line 32 of file Renderer.hpp.

Constructor & Destructor Documentation

◆ Renderer()

galaxy::graphics::Renderer::Renderer ( )

private

Constructor.

Definition at line 25 of file Renderer.cpp.

◆ ~Renderer()

galaxy::graphics::Renderer::~Renderer ( )

privatedefault

Destructor.

Member Function Documentation

◆ ref()

Renderer & galaxy::graphics::Renderer::ref ( )

staticnodiscard

Get reference to renderer singleton.

Returns: Static reference.

Definition at line 19 of file Renderer.cpp.

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◆ init()

void galaxy::graphics::Renderer::init ( )

Initialize renderer.

Definition at line 31 of file Renderer.cpp.

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◆ destroy()

void galaxy::graphics::Renderer::destroy ( )

Cleanup renderer data.

Definition at line 62 of file Renderer.cpp.

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◆ on_window_resized()

void galaxy::graphics::Renderer::on_window_resized ( const events::WindowResized & e )

Event processing method for window size change.

Parameters

e	Takes in a window resized event.

Definition at line 71 of file Renderer.cpp.

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◆ submit_camera()

void galaxy::graphics::Renderer::submit_camera ( Camera & camera )

Set the camera to use when calling draw().

Parameters

camera Camera object to buffer.

Definition at line 76 of file Renderer.cpp.

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◆ submit_cmd()

void galaxy::graphics::Renderer::submit_cmd ( RenderCommand & command )

Add an entity rendering command.

Parameters

command Rendering command to draw.

Definition at line 81 of file Renderer.cpp.

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◆ submit_texture()

void galaxy::graphics::Renderer::submit_texture	(	const Texture2D &	texture,
		VertexArray &	va,
		Transform &	tf,
		const int	layer,
		const float	opacity )

Submit a standalone texture to be rendered.

Parameters

texture	Texture to use when drawing.
va	Vertex data to use when drawing.
tf	Object transformation.
layer	Rendering z-level layer.
opacity	Object opacity.

Definition at line 86 of file Renderer.cpp.

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◆ submit_text()

void galaxy::graphics::Renderer::submit_text	(	Text &	text,
		Transform &	tf,
		const int	layer )

Submit standalone text to be rendered.

Parameters

text	Text to draw.
tf	Object transformation.
layer	Rendering z-level layer.

Definition at line 106 of file Renderer.cpp.

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◆ submit_shape()

void galaxy::graphics::Renderer::submit_shape	(	Shape *	shape,
		Transform &	tf,
		const int	layer )

Submit a standalone shape to be rendered.

Parameters

shape	Polymorphic shape to render.
tf	Object transformation.
layer	Rendering z-level layer.

Definition at line 126 of file Renderer.cpp.

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◆ draw_texture_to_target()

void galaxy::graphics::Renderer::draw_texture_to_target	(	RenderTexture &	target,
		Texture *	texture,
		VertexArray &	va,
		Transform &	tf )

Draw a texture to a render texture.

Standalone function.

Parameters

target	Target to draw texture to.
texture	Texture to draw to the target.
va	Vertex array object.
transform	Orthographic transform.

Definition at line 146 of file Renderer.cpp.

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◆ draw()

void galaxy::graphics::Renderer::draw ( )

Draw all submitted render commands to screen.

Definition at line 166 of file Renderer.cpp.

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◆ flush()

void galaxy::graphics::Renderer::flush ( )

Deletes all submitted render commands.

Definition at line 189 of file Renderer.cpp.

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◆ clear_active()

void galaxy::graphics::Renderer::clear_active ( )

Clears currently active framebuffer.

Definition at line 194 of file Renderer.cpp.

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◆ begin_post()

void galaxy::graphics::Renderer::begin_post ( )

Begin rendering to post process framebuffer.

Definition at line 200 of file Renderer.cpp.

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◆ end_post()

void galaxy::graphics::Renderer::end_post ( )

Renders effects to post processing framebuffer and rebinds to default framebuffer.

Definition at line 206 of file Renderer.cpp.

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◆ render_post()

void galaxy::graphics::Renderer::render_post ( )

Renders final post processing output to active framebuffer.

Definition at line 212 of file Renderer.cpp.

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◆ begin_default()

void galaxy::graphics::Renderer::begin_default ( )

Start rendering to default framebuffer.

This should be called at the end of rendering, only rendering your final framebuffer, since afterwards we swap buffers.

Definition at line 217 of file Renderer.cpp.

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◆ end_default()

void galaxy::graphics::Renderer::end_default ( )

Swaps buffers.

Definition at line 238 of file Renderer.cpp.

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◆ calc_viewport()

void galaxy::graphics::Renderer::calc_viewport	(	int	window_width,
		int	window_height )

private

Need to recalculate default framebuffer viewport.

Parameters

window_width	New window width.
window_height	New window height.

Definition at line 243 of file Renderer.cpp.

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Member Data Documentation

◆ m_cmds

meta::vector<RenderCommand> galaxy::graphics::Renderer::m_cmds

private

List of renderables to draw.

Definition at line 179 of file Renderer.hpp.

◆ m_r2d_shader

Shader galaxy::graphics::Renderer::m_r2d_shader

private

Mono render shader.

Definition at line 184 of file Renderer.hpp.

◆ m_camera

ShaderStorageBuffer galaxy::graphics::Renderer::m_camera

private

Camera buffer storage.

Definition at line 189 of file Renderer.hpp.

◆ m_renderdata

ShaderStorageBuffer galaxy::graphics::Renderer::m_renderdata

private

Uniform buffer storage.

Definition at line 194 of file Renderer.hpp.

◆ m_post

PostProcess galaxy::graphics::Renderer::m_post

private

Post processor.

Definition at line 199 of file Renderer.hpp.

◆ m_viewport

glm::vec4 galaxy::graphics::Renderer::m_viewport

private

Default framebuffer viewport.

Definition at line 204 of file Renderer.hpp.

The documentation for this class was generated from the following files:

galaxy/src/galaxy/graphics/Renderer.hpp
galaxy/src/galaxy/graphics/Renderer.cpp

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Renderer()

◆ ~Renderer()

Member Function Documentation

◆ ref()

◆ init()

◆ destroy()

◆ on_window_resized()

◆ submit_camera()

◆ submit_cmd()

◆ submit_texture()

◆ submit_text()

◆ submit_shape()

◆ draw_texture_to_target()

◆ draw()

◆ flush()

◆ clear_active()

◆ begin_post()

◆ end_post()

◆ render_post()

◆ begin_default()

◆ end_default()

◆ calc_viewport()

Member Data Documentation

◆ m_cmds

◆ m_r2d_shader

◆ m_camera

◆ m_renderdata

◆ m_post

◆ m_viewport