inviwo::OpenGLCapabilities Class Reference

Inheritance diagram for inviwo::OpenGLCapabilities:

Classes
class	GLSLShaderVersion

Public Types
enum class	GlVendor { Nvidia , Amd , Intel , Unknown }

Public Member Functions
size_t	getCurrentAvailableTextureMem ()
size_t	getCurrentShaderIndex () const
GLSLShaderVersion	getCurrentShaderVersion () const
const std::string &	getGLSLVersionString () const
const std::string &	getGLVersionString () const
int	getMax3DTexSize () const
int	getMaxArrayTexSize () const
int	getMaxArrayVertexAttribs () const
int	getMaxColorAttachments () const
int	getMaxProgramLoopCount () const
int	getMaxTexSize () const
size_t	getNumberOfShaderVersions () const
int	getNumTexUnits () const
const std::string &	getProfileString () const
const std::string &	getRenderString () const
GLSLShaderVersion	getShaderVersion (size_t ind) const
size_t	getTotalAvailableTextureMem ()
GlVendor	getVendor () const
const std::string &	getVendorString () const
bool	is3DTexturesSupported () const
bool	isFboSupported () const
bool	isGeometryShadersSupported () const
bool	isShadersSupported () const
bool	isShadersSupportedARB () const
bool	isTextureArraysSupported () const
bool	isTexturesSupported () const
	OpenGLCapabilities (OpenGLSettings *settings)
void	printDetailedInfo ()
virtual void	printInfo () override

Static Public Member Functions
static int	getOpenGLVersion ()
static bool	hasOpenGLVersion ()
static bool	hasSupportedOpenGLVersion ()
static void	initializeGL ()
static bool	isComputeShadersSupported ()
static bool	isExtensionSupported (const char *)
static bool	isShaderStorageBuffersSupported ()
static bool	isSignedIntNormalizationSymmetric ()
static bool	isSupported (const char *)

Protected Member Functions
void	addShaderVersion (GLSLShaderVersion)
void	addShaderVersionIfEqualOrLower (GLSLShaderVersion, int)
void	parseAndAddShaderVersion (std::string, int)
virtual void	retrieveDynamicInfo () override
virtual void	retrieveStaticInfo () override

Static Protected Member Functions
static int	parseAndRetrieveVersion (std::string)

Member Function Documentation

isSignedIntNormalizationSymmetric()

bool inviwo::OpenGLCapabilities::isSignedIntNormalizationSymmetric ( )

static

The conversion from normalized fixed-point integers to floating-point values and back was changed to use a symmetric range in OpenGL 4.2. That is the range [-127, 127] is used for the normalization of 8bit signed integers instead of [-128, 127]. It appears that OpenGL 4.1 on Apple also uses symmetric ranges.

See also

DataMapper::SignedNormalization

OpenGL 4.6 specification, Section 2.3.5 Fixed-Point Data Conversion

printInfo()

virtual void inviwo::OpenGLCapabilities::printInfo ( )

overridevirtual

Implements inviwo::Capabilities.

retrieveDynamicInfo()

virtual void inviwo::OpenGLCapabilities::retrieveDynamicInfo ( )

overrideprotectedvirtual

Implements inviwo::Capabilities.

retrieveStaticInfo()

virtual void inviwo::OpenGLCapabilities::retrieveStaticInfo ( )

overrideprotectedvirtual

Implements inviwo::Capabilities.

---

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

• modules/opengl/include/modules/opengl/openglcapabilities.h