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34 lines
640 B
Go
Executable File
34 lines
640 B
Go
Executable File
package buffers
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import (
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"fmt"
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"github.com/bloeys/nmage/asserts"
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"github.com/go-gl/gl/v4.1-core/gl"
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)
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type BufUsage int
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const (
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//Buffer is set only once and used many times
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BufUsage_Static BufUsage = iota
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//Buffer is changed a lot and used many times
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BufUsage_Dynamic
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//Buffer is set only once and used by the GPU at most a few times
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BufUsage_Stream
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)
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func (b BufUsage) ToGL() uint32 {
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switch b {
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case BufUsage_Static:
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return gl.STATIC_DRAW
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case BufUsage_Dynamic:
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return gl.DYNAMIC_DRAW
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case BufUsage_Stream:
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return gl.STREAM_DRAW
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}
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asserts.T(false, fmt.Sprintf("Unexpected BufUsage value '%v'", b))
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return 0
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}
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