Package org.lwjgl.opengl

Class NVInternalformatSampleQuery

java.lang.Object

org.lwjgl.opengl.NVInternalformatSampleQuery

public class NVInternalformatSampleQuery
extends Object

Native bindings to the NV_internalformat_sample_query extension.

Some OpenGL implementations support modes of multisampling which have properties which are non-obvious to applications and/or which may not be standards conformant. The idea of non-conformant AA modes is not new, and is exposed in both GLX and EGL with config caveats and the GLX_NON_CONFORMANT_CONFIG for GLX and EGL_NON_CONFORMANT_CONFIG for EGL, or by querying the EGL_CONFORMANT attribute in newer versions of EGL.

Both of these mechanisms operate on a per-config basis, which works as intended for window-based configs. However, with the advent of application-created FBOs, it is now possible to do all the multisample operations in an application-created FBO and never use a multisample window.

This extension further extends the internalformat query mechanism (first introduced by ARB_internalformat_query and extended in ARB_internalformat_query2) and introduces a mechanism for a implementation to report properties of formats that may also be dependent on the number of samples. This includes information such as whether the combination of format and samples should be considered conformant. This enables an implementation to report caveats which might apply to both window and FBO-based rendering configurations.

Requires OpenGL 4.2 or ARB_internalformat_query.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	GL_CONFORMANT_NV	Accepted by the pname parameter of GetInternalformatSampleivNV
static final int	GL_MULTISAMPLES_NV	Accepted by the pname parameter of GetInternalformatSampleivNV
static final int	GL_SUPERSAMPLE_SCALE_X_NV	Accepted by the pname parameter of GetInternalformatSampleivNV
static final int	GL_SUPERSAMPLE_SCALE_Y_NV	Accepted by the pname parameter of GetInternalformatSampleivNV

Method Summary

Modifier and Type	Method	Description
static void	glGetInternalformatSampleivNV(int target, int internalformat, int samples, int pname, int[] params)	Array version of: GetInternalformatSampleivNV
static void	glGetInternalformatSampleivNV(int target, int internalformat, int samples, int pname, IntBuffer params)
static void	nglGetInternalformatSampleivNV(int target, int internalformat, int samples, int pname, int bufSize, long params)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

GL_MULTISAMPLES_NV

public static final int GL_MULTISAMPLES_NV

Accepted by the pname parameter of GetInternalformatSampleivNV

See Also:

• Constant Field Values

GL_SUPERSAMPLE_SCALE_X_NV

public static final int GL_SUPERSAMPLE_SCALE_X_NV

Accepted by the pname parameter of GetInternalformatSampleivNV

See Also:

• Constant Field Values

GL_SUPERSAMPLE_SCALE_Y_NV

public static final int GL_SUPERSAMPLE_SCALE_Y_NV

Accepted by the pname parameter of GetInternalformatSampleivNV

See Also:

• Constant Field Values

GL_CONFORMANT_NV

public static final int GL_CONFORMANT_NV

Accepted by the pname parameter of GetInternalformatSampleivNV

See Also:

• Constant Field Values

Method Details

nglGetInternalformatSampleivNV

public static void nglGetInternalformatSampleivNV(int target,
 int internalformat,
 int samples,
 int pname,
 int bufSize,
 long params)

glGetInternalformatSampleivNV

public static void glGetInternalformatSampleivNV(int target,
 int internalformat,
 int samples,
 int pname,
 IntBuffer params)

glGetInternalformatSampleivNV

public static void glGetInternalformatSampleivNV(int target,
 int internalformat,
 int samples,
 int pname,
 int[] params)

Array version of: GetInternalformatSampleivNV