Class TGenericGLVersion
Unit
CastleGLVersion
Declaration
type TGenericGLVersion = class(TObject)
Description
OpenGL(ES) library version information. Determined looking at information from glGetString(GL_VERSION), glGetString(GL_VENDOR) and such.
User code should never create instances of this class. Only use the singleton GLVersion, already initialized for you.
Internally, this should be always created by GLInformationInitialize.
Hierarchy
- TObject
- TGenericGLVersion
Overview
Fields
Methods
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constructor Create(const AVersionString: string); |
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function AtLeast(AMajor, AMinor: Integer): boolean; |
Properties
Description
Fields
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Major: Integer; |
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Major and minor version numbers of OpenGL(ES) implementation.
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Minor: Integer; |
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ReleaseExists: boolean; |
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Release version number of OpenGL(ES) implementation. Optional, some OpenGL(ES) implementations may not have "release" number (check ReleaseExists first).
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Release: Integer; |
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VendorVersion: string; |
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Vendor-specific version that was at the end of VersionString (after the major_number.minor_number.release_number). It never has any whitespace at the beginning (we trim it when initializing).
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Methods
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constructor Create(const AVersionString: string); |
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function AtLeast(AMajor, AMinor: Integer): boolean; |
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Properties
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property VersionString: String read FVersionString; |
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Version as a string. This is full unprocessed and untrimmed value, as returned by glGetString(GL_VERSION).
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