GemRenderer Class Reference

The GemRenderer class renders all of our gems. For performance reasons the GemRenderer packs all gems and fakes instanced drawing. More...

#include <gemrenderer.h>

Public Member Functions
	GemRenderer ()
	~GemRenderer ()
void	cleanup (QOpenGLFunctions &gl)
	Cleans up all gpu resources. More...
void	initialize (QOpenGLFunctions &gl)
	Initializes all gpu resources. More...
void	paint (QOpenGLFunctions &gl, QOpenGLShaderProgram &program)
	paint Paints all gems using faked instanced drawing. More...
void	setSceneExtent (float extent)
	Sets the scene extent, which is required to encode gem positions into byte textures. More...
void	updateGem (AbstractGem *gem)
	Save given gem in order to update it later. More...

Protected Member Functions
void	updateData (QOpenGLFunctions &gl)
	Updates previous added gem using updateGem() More...

Protected Attributes
bool	m_areFloatTexturesAvailable
QHash< GemType, GemRenderData * > *	m_gemBuffersTex
QHash< AbstractGem *, GemDataInfo * > *	m_gemMap
bool	m_isGemBufferUpdateRequired
bool	m_isGemDataBufferInvalid
bool	m_isInitialized
QList< GemDataInfo * > *	m_newGems
float	m_sceneExtent

Detailed Description

The GemRenderer class renders all of our gems. For performance reasons the GemRenderer packs all gems and fakes instanced drawing.

Constructor & Destructor Documentation

GemRenderer::GemRenderer

(

)

GemRenderer::~GemRenderer

(

)

Member Function Documentation

void GemRenderer::cleanup

(

QOpenGLFunctions &

gl

)

Cleans up all gpu resources.

Parameters

gl	QOpenGLFunctions used to do gl-calls

void GemRenderer::initialize

(

QOpenGLFunctions &

gl

)

Initializes all gpu resources.

Parameters

gl	QOpenGLFunctions used to do gl-calls

void GemRenderer::paint	(	QOpenGLFunctions &	gl,
		QOpenGLShaderProgram &	program
	)

paint Paints all gems using faked instanced drawing.

Parameters

gl	QOpenGLFunctions used to do gl-calls
program	The program that is used for drawing gems.

void GemRenderer::setSceneExtent

(

float

extent

)

Sets the scene extent, which is required to encode gem positions into byte textures.

Parameters

extent

void GemRenderer::updateData ( QOpenGLFunctions &  gl )

protected

Updates previous added gem using updateGem()

Parameters

gl	QOpenGLFunctions used to do gl-calls

void GemRenderer::updateGem

(

AbstractGem *

gem

)

Save given gem in order to update it later.

Parameters

gem	The gem that should be updated (or added).

See also

updateData()

Member Data Documentation

bool GemRenderer::m_areFloatTexturesAvailable

protected

QHash<GemType, GemRenderData *>* GemRenderer::m_gemBuffersTex

protected

QHash<AbstractGem *, GemDataInfo *>* GemRenderer::m_gemMap

protected

bool GemRenderer::m_isGemBufferUpdateRequired

protected

bool GemRenderer::m_isGemDataBufferInvalid

protected

bool GemRenderer::m_isInitialized

protected

QList<GemDataInfo *>* GemRenderer::m_newGems

protected

float GemRenderer::m_sceneExtent

protected

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

• gemrenderer.h
• gemrenderer.cpp