Provides management of OpenGL extensions and basic state.

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Inherits :

• QObject

You can access the global instance of DzOpenGL via the Global::OpenGL variable.

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: OGLTexQuality

Defines the possible values for the application-wide texture quality settings.

• OGLLow - Lowest quality / Best performance. Texture sizes are clamped to a small size or the maximum size supported by the hardware, whichever is less.
• OGLMed - Medium quality / Better performance. Texture sizes are clamped to a medium size or the maximum size supported by the hardware, whichever is less.
• OGLHigh - High quality / Good performance. Texture sizes are clamped to a large size or the maximum size supported by the hardware, whichever is less.
• OGLBest - Best quality / Low performance. Texture sizes are clamped to the maximum size supported by the hardware.

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Boolean : isOGLInitialized()

Return Value:

• true if the OpenGL, and the DAZ-supported OpenGL extensions have been initialized. The other OpenGL support funtions will not return the correct result until initialization has occurred.

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Number : getBoundingBoxActiveOpacity()

Return Value:

• the opacity value of the bounding box for active ( highlighted ) nodes.

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Number : getBoundingBoxEdgeLength()

Return Value:

• the length of the edges of the bounding boxes.

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Number : getBoundingBoxInactiveOpacity()

Return Value:

• the opacity value of the bounding box for inactive nodes that are selected.

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Number : getDepthBufferBits()

Return Value:

• The number of bit depth of the client depth buffer.

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Boolean : getDrawNodeHighlight()

Return Value:

• true if nodes should be drawn with a highlight

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Number : getMajorVersion()

Return Value:

• The major version number of OpenGL supported on the current hardware.

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Number : getMaxTextureSize()

Return Value:

• The maximim texture size supported by the client.

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Number : getMaxTextureUnits()

Return Value:

• The maximim number of textures supported by the client.

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Number : getMinorVersion()

Return Value:

• The minor version number of OpenGL supported on the current hardware.

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Number : getNumAuxBuffers()

Return Value:

• The number auxiliary buffers supported by the client.

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Number : getNumLights()

Return Value:

• The maximim number of lights supported by the client.

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Number : getNumOGLExtensions()

Return Value:

• The number of supported OpenGL extensions

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Number : getOpenGLVersion()

Return Value:

• The OpenGL major and minor version numbers supported on the current hardware.

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pbuffer_dz : getPBuffer()

Return Value:

• A pointer to the application-wide global PBuffer object

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Number : getReleaseNumber()

Return Value:

• The release number of OpenGL supported on the current hardware.

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Number : getSubDivisionWireOpacity()

Return Value:

• the opacity value of the wireframe for the generated edges of a subdivided mesh.

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OGLTexQuality : getTextureQuality()

Return Value:

• The current quality setting for loading OpenGL textures

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Number : getTextureQualityMaxSize()

Return Value:

• The maximum dimension for a texture map based on the current OpenGL texture quality setting.

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Number : getTriDivisionWireOpacity()

Return Value:

• the opacity value of the wireframe for drawn triangulation of quads.

Since:

• 4.9.3.142

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Number : getWireframeOpacity()

Return Value:

• the opacity value of the wireframe for the edges of a mesh.

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Boolean : isDisplayOptimizationEnabled()

Return Value:

• true if the user has enabled display optimization and if its supported.

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Boolean : isMultisampleEnabled()

Return Value:

• true if the user has enabled hardware antialiasing.

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Boolean : isMultisampleSupported()

Return Value:

• true if the client supports hardware antialiasing.

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Boolean : isOGLExtensionSupported( String extension )

Parameter(s):

• extension - The extension to check

Return Value:

• true if the given OpenGL extension is supported

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Boolean : isOGLShaderLanguageSupported()

Checks for support of the four following extensions: GL_ARB_shader_objects, GL_ARB_fragment_shader, GL_ARB_vertex_shader, GL_ARB_shading_language_100. All four extensions must exist for this function to return true.

Return Value:

• true if OpenGL Shader Language is supported

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Boolean : isShadowingSupported()

Return Value:

• true if the client supports hardware shadow mapping.

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Boolean : isVBOSupported()

Return Value:

• true if the client supports Vertex Buffer Objects.

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void : setBoundingBoxActiveOpacity( Number opacity )

Sets the opacity of the bounding box for active ( highlighted ) nodes.

Parameter(s):

• opacity - The opacity value to be used

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void : setBoundingBoxEdgeLength( Number length )

Sets the length of the edges of the bounding boxes.

Parameter(s):

• length - The edge length to be used

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void : setBoundingBoxInactiveOpacity( Number opacity )

Sets the opacity of the bounding box for inactive nodes that are selected.

Parameter(s):

• opacity - The opacity value to be used

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void : setDisplayOptimizationEnabled( Boolean onOff )

Sets whether or not display optimization is enabled in the OpenGL viewports

Parameter(s):

• onOff - If true, display optimizations will be enabled

Deprecated

use setPrimitiveDrawMode instead

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void : setDrawNodeHighlight( Boolean onOff )

Parameter(s):

• onOff - If true, nodes will be drawn with a highlight

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void : setMultisampleEnabled( Boolean onOff )

Sets whether or not multisampling is enabled in the OpenGL viewports

Parameter(s):

• onOff - if true, multisampling is enabled

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void : setSubDivisionWireOpacity( Number opacity )

Sets the opacity of the wireframe for the generated edges of a subdivided mesh.

Parameter(s):

• opacity - The opacity value

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void : setTextureQuality( OGLTexQuality quality )

Sets the quality setting for loading OpenGL textures

Parameter(s):

• quality - The quality of the texture

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void : setTriDivisionWireOpacity( Number opacity )

Sets the opacity of the wireframe for the generated edges of a subdivided mesh.

Parameter(s):

• opacity - The opacity value

Since:

• 4.9.3.142

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void : setWireframeOpacity( Number opacity )

Sets the opacity of the wireframe for the edges of a mesh.

Parameter(s):

• opacity - The opacity value

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void : boundingBoxActiveOpacityChanged( Number value )

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void : boundingBoxEdgeLengthChanged( Number value )

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void : boundingBoxInactiveOpacityChanged( Number value )

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void : displayOptimizationEnabled( Boolean onOff )

Signature:“displayOptimizationEnabled(bool)”

Emitted when display optimization is disabled or enabled.

Parameter(s):

• onOff - If true, display optimization was enabled. If false, display optimization was disabled.

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void : multisampleEnabled( Boolean onOff )

Signature:“multisampleEnabled(bool)”

Emitted when multisample is disabled or enabled.

Parameter(s):

• onOff - If true, multipsample was enabled. If false, multisample was disabled.

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void : subDivisionWireOpacityChanged( Number value )

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void : subWireframeOpacityChanged( Number value )

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void : textureQualityChanged( OGLTexQuality quality )

Signature:“textureQualityChanged(DzOpenGL::OGLTexQuality)”

Emitted when the texture quality setting has changed.

Parameter(s):

• quality - The new texture quality setting.