Class TVertexArrayObject
Unit
Declaration
type TVertexArrayObject = class(TComponent)
Description
Vertex array object. Wrapper over VAO, as defined by OpenGL >= 3.
Note that you can use this from multiple OpenGL(ES) contexts, it will automatically create and destroy VAOs specific to the current context. (As VAOs are not shared between OpenGL(ES) contexts, see https://stackoverflow.com/questions/55885139/what-is-shareable-between-opengl-contexts-and-how-to-enable-sharing .)
This does nothing if current OpenGL(ES) version doesn't support VAO.
Change the current VAO by RenderContext.CurrentVao. It is done done automatically by TGLSLAttribute.EnableArray, remember that VBOs (including GL_ELEMENT_ARRAY_BUFFER) must be bound within this VAO.
Hierarchy
- TObject
- TPersistent
- TComponent
- TVertexArrayObject
Overview
Methods
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procedure Notification(AComponent: TComponent; Operation: TOperation); override; |
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constructor Create(AOwner: TComponent); override; |
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destructor Destroy; override; |
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function InternalHandle(const Context: TComponent): TGLuint; |
Description
Methods
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procedure Notification(AComponent: TComponent; Operation: TOperation); override; |
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This item has no description. | |
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constructor Create(AOwner: TComponent); override; |
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This item has no description. | |
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destructor Destroy; override; |
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This item has no description. | |
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function InternalHandle(const Context: TComponent): TGLuint; |
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OpenGL VAO identifier, for given context (must be TRenderContext). | |
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