love.graphics.copyBuffer
| Available since LÖVE 12.0 |
| This function is not supported in earlier versions. |
Copies the contents of one GraphicsBuffer to another.
This function requires the copybuffer GraphicsFeature to be supported. It is always supported when OpenGL 3.1+, OpenGL ES 3.0+, or newer graphics APIs are used.
Function
Synopsis
love.graphics.copyBuffer( source, dest, sourceoffset, destoffset, size )
Arguments
GraphicsBuffer source- The GraphicsBuffer to copy data from.
GraphicsBuffer dest- The GraphicsBuffer to copy data into.
number sourceoffset (0)- An offset in bytes from the start of the source GraphicsBuffer. Must be a multiple of 4.
number destoffset (0)- An offset in bytes from the start of the destination GraphicsBuffer. Must be a multiple of 4.
number size (all)- An optional size in bytes to copy. All data after the source offset will be copied by default. Must be a multiple of 4.
Returns
Nothing.
Notes
GraphicsBuffers created with the stream BufferDataUsage cannot be used as a copy destination.
GraphicsBuffers created with the readback BufferDataUsage cannot be used as a copy source.
Copying a GraphicsBuffer to itself is allowed when the source and destination offsets and size do not overlap.
See Also
- love.graphics
- love.graphics.copyBufferToTexture
- love.graphics.copyTextureToBuffer
- love.graphics.getSupported
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