setSamplePositions(_:)
Sets the programmable sample positions for a render pass.
Declaration
func setSamplePositions(_ positions: [MTLSamplePosition])Parameters
- positions:
An array of programmable sample positions for the render pass with the the same number of elements as the render pass sample count, or an empty array to disable custom sample positions.
Discussion
Programmable sample positions need to be floating-point values in the [0.0, 1.0) range along each axis, with the origin (0,0) defined at the top-left corner. Values can be set from 0/16 up to 15/16, inclusive, in 1/16 increments along each axis.
If the length of the array is 0, the GPU uses the default sample positions for the render pass.