Package gaiasky.util.gdx.mesh
Class IntIndexBufferObject
java.lang.Object
gaiasky.util.gdx.mesh.IntIndexBufferObject
- All Implemented Interfaces:
com.badlogic.gdx.utils.Disposable
,IntIndexData
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Constructor Summary
ConstructorDescriptionIntIndexBufferObject
(boolean isStatic, int maxIndices) Creates a new IntIndexBufferObject.IntIndexBufferObject
(int maxIndices) Creates a new static IntIndexBufferObject to be used with vertex arrays. -
Method Summary
Modifier and TypeMethodDescriptionvoid
bind()
Binds this IntIndexBufferObject for rendering with glDrawElements.void
dispose()
Disposes this IntIndexBufferObject and all its associated OpenGL resources.Returns the underlying IntBuffer.int
int
void
Invalidates the IntIndexBufferObject so a new OpenGL buffer handle is created.void
setIndices
(int[] indices, int offset, int count) Sets the indices of this IntIndexBufferObject, discarding the old indices.void
setIndices
(IntBuffer indices) Copies the specified indices to the indices of this IntIndexBufferObject, discarding the old indices.void
unbind()
Unbinds this IntIndexBufferObject.void
updateIndices
(int targetOffset, int[] indices, int offset, int count) Update (a portion of) the indices.
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Constructor Details
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IntIndexBufferObject
public IntIndexBufferObject(int maxIndices) Creates a new static IntIndexBufferObject to be used with vertex arrays.- Parameters:
maxIndices
- the maximum number of indices this buffer can hold
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IntIndexBufferObject
public IntIndexBufferObject(boolean isStatic, int maxIndices) Creates a new IntIndexBufferObject.- Parameters:
isStatic
- whether the index buffer is staticmaxIndices
- the maximum number of indices this buffer can hold
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Method Details
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getNumIndices
public int getNumIndices()- Specified by:
getNumIndices
in interfaceIntIndexData
- Returns:
- the number of indices currently stored in this buffer
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getNumMaxIndices
public int getNumMaxIndices()- Specified by:
getNumMaxIndices
in interfaceIntIndexData
- Returns:
- the maximum number of indices this IntIndexBufferObject can store.
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setIndices
public void setIndices(int[] indices, int offset, int count) Sets the indices of this IntIndexBufferObject, discarding the old indices. The count must equal the number of indices to be copied to this IntIndexBufferObject.
This can be called in between calls to
bind()
andunbind()
. The index data will be updated instantly.- Specified by:
setIndices
in interfaceIntIndexData
- Parameters:
indices
- the index dataoffset
- the offset to start copying the data fromcount
- the number of integers to copy
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setIndices
Description copied from interface:IntIndexData
Copies the specified indices to the indices of this IntIndexBufferObject, discarding the old indices. Copying start at the currentBuffer.position()
of the specified buffer and copied theBuffer.remaining()
amount of indices. This can be called in between calls toIntIndexData.bind()
andIntIndexData.unbind()
. The index data will be updated instantly.- Specified by:
setIndices
in interfaceIntIndexData
- Parameters:
indices
- the index data to copy
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updateIndices
public void updateIndices(int targetOffset, int[] indices, int offset, int count) Description copied from interface:IntIndexData
Update (a portion of) the indices.- Specified by:
updateIndices
in interfaceIntIndexData
- Parameters:
targetOffset
- offset in indices bufferindices
- the index dataoffset
- the offset to start copying the data fromcount
- the number of ints to copy
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getBuffer
Returns the underlying IntBuffer. If you modify the buffer contents they will be uploaded on the call to
bind()
. If you need immediate uploading usesetIndices(int[], int, int)
.- Specified by:
getBuffer
in interfaceIntIndexData
- Returns:
- the underlying int buffer.
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bind
public void bind()Binds this IntIndexBufferObject for rendering with glDrawElements.- Specified by:
bind
in interfaceIntIndexData
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unbind
public void unbind()Unbinds this IntIndexBufferObject.- Specified by:
unbind
in interfaceIntIndexData
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invalidate
public void invalidate()Invalidates the IntIndexBufferObject so a new OpenGL buffer handle is created. Use this in case of a context loss.- Specified by:
invalidate
in interfaceIntIndexData
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dispose
public void dispose()Disposes this IntIndexBufferObject and all its associated OpenGL resources.- Specified by:
dispose
in interfacecom.badlogic.gdx.utils.Disposable
- Specified by:
dispose
in interfaceIntIndexData
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