This class is used for batch rendering with OpenGL. More...

#include <batching_gl.hpp>

Inheritance diagram for sgl::BatchGL:

Public Member Functions
	BatchGL (int capacity=1024 *1024)
	Creates a new batch with specified capacity. More...

	~BatchGL (void)
	Destroys a batch. More...

void	begin () override
	Starts drawing with TRIANGLES mode. More...

void	begin (Primitive mode)
	Starts drawing with specified mode. More...

void	flush () override
	Flushes the batch, could be used if the batch would overflow. More...

void	specifyVertexAttributes ()
	Specifies the vertex attributes. More...

void	applyTransform ()
	Applies the MVP transformation if necessary. More...

void	resetShaderProgram ()
	Resets to the default shader program. More...

ShaderProgram *	getShaderProgram ()
	Gets the current shader program of the batch. More...

void	setShaderProgram (ShaderProgram *program)
	Sets the current shader program of the batch. More...

Public Member Functions inherited from sgl::Batch
	~Batch (void)
	Destroys a batch. More...

virtual void	end ()
	Ends the drawing, this should also flush the batch. More...

void	vertex (float x, float y)
	Defines a new vertex at specified coordinates. More...

void	vertex (float x, float y, float z)
	Defines a new vertex at specified coordinates. More...

void	vertex (glm::vec2 vertex)
	Defines a new vertex at specified coordinates. More...

void	vertex (glm::vec3 vertex)
	Defines a new vertex at specified coordinates. More...

void	color (float r, float g, float b)
	Defines a new color with specified components. More...

void	color (float r, float g, float b, float a)
	Defines a new color with specified components. More...

void	color (glm::vec3 color)
	Defines a new color with specified components. More...

void	color (glm::vec4 color)
	Defines a new color with specified components. More...

void	texCoord (float s, float t)
	Defines a new texture coordinate with specified values. More...

void	texCoord (glm::vec2 texCoord)
	Defines a new texture coordinate with specified values. More...

void	normal (float nx, float ny, float nz)
	Defines a new normal with specified values. More...

void	normal (glm::vec3 normal)
	Defines a new normal with specified values. More...

void	setModel (glm::mat4 model)
	Sets the model matrix. More...

glm::mat4	getModel ()
	Gets the model matrix. More...

void	setView (glm::mat4 view)
	Sets the view matrix. More...

glm::mat4	getView ()
	Gets the view matrix. More...

void	setProjection (glm::mat4 projection)
	Sets the projection matrix. More...

glm::mat4	getProjection ()
	Gets the projection matrix. More...

Additional Inherited Members
Protected Member Functions inherited from sgl::Batch
	Batch (void)
	Initializes a new batch. More...

Protected Attributes inherited from sgl::Batch
Transformation	transformation
	The transformation for the batch. More...

bool	drawing
	Tells if the batch is drawing. More...

int	numVertices
	The counter for the number of vertices. More...

std::vector< glm::vec3 >	vertices
	The storage for vertices. More...

std::vector< glm::vec4 >	colors
	The storage for colors. More...

std::vector< glm::vec2 >	texCoords
	The storage for texture coordinates. More...

std::vector< glm::vec3 >	normals
	The storage for normals. More...

Detailed Description

This class is used for batch rendering with OpenGL.

Definition at line 30 of file batching_gl.hpp.

Constructor & Destructor Documentation

sgl::BatchGL::BatchGL ( int capacity = 1024 * 1024 )

Creates a new batch with specified capacity.

If no capacity is specified it will use a default capacity of 1048576 vertices.

Parameters

capacity The capacity of this batch.

Definition at line 57 of file batching_gl.cpp.

sgl::BatchGL::~BatchGL ( void )

Destroys a batch.

Definition at line 139 of file batching_gl.cpp.

Member Function Documentation

void sgl::BatchGL::applyTransform ( )

Applies the MVP transformation if necessary.

Definition at line 257 of file batching_gl.cpp.

void sgl::BatchGL::begin ( )

overridevirtual

Starts drawing with TRIANGLES mode.

Reimplemented from sgl::Batch.

Definition at line 153 of file batching_gl.cpp.

void sgl::BatchGL::begin ( Primitive mode )

Starts drawing with specified mode.

Parameters

mode	The mode to use for drawing.

Definition at line 157 of file batching_gl.cpp.

void sgl::BatchGL::flush ( )

overridevirtual

Flushes the batch, could be used if the batch would overflow.

Implements sgl::Batch.

Definition at line 166 of file batching_gl.cpp.

ShaderProgram * sgl::BatchGL::getShaderProgram ( )

Gets the current shader program of the batch.

Returns: The current shader program.

Definition at line 278 of file batching_gl.cpp.

void sgl::BatchGL::resetShaderProgram ( )

Resets to the default shader program.

Definition at line 274 of file batching_gl.cpp.

void sgl::BatchGL::setShaderProgram ( ShaderProgram * program )

Sets the current shader program of the batch.

Parameters

program The new shader program.

Definition at line 282 of file batching_gl.cpp.

void sgl::BatchGL::specifyVertexAttributes ( )

Specifies the vertex attributes.

Definition at line 231 of file batching_gl.cpp.

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

/home/heiko/Projekte/Studium/SimpleGL/Backends/OpenGL/include/SimpleGL_gl/batching_gl.hpp
/home/heiko/Projekte/Studium/SimpleGL/Backends/OpenGL/src/batching_gl.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation