103 lines
1.5 KiB
Go
103 lines
1.5 KiB
Go
package pixelgl
|
|
|
|
import "github.com/go-gl/mathgl/mgl32"
|
|
|
|
// AttrType is the attribute's identifier
|
|
type AttrType int
|
|
|
|
// List of all possible attribute types.
|
|
const (
|
|
Int AttrType = iota
|
|
Float
|
|
Vec2
|
|
Vec3
|
|
Vec4
|
|
Mat2
|
|
Mat23
|
|
Mat24
|
|
Mat3
|
|
Mat32
|
|
Mat34
|
|
Mat4
|
|
Mat42
|
|
Mat43
|
|
Intp // pointers
|
|
Floatp
|
|
Vec2p
|
|
Vec3p
|
|
Vec4p
|
|
Mat2p
|
|
Mat23p
|
|
Mat24p
|
|
Mat3p
|
|
Mat32p
|
|
Mat34p
|
|
Mat4p
|
|
Mat42p
|
|
Mat43p
|
|
)
|
|
|
|
// Returns the type identifier for any (supported) variable type
|
|
func getAttrType(v interface{}) AttrType {
|
|
switch v.(type) {
|
|
case int32:
|
|
return Int
|
|
case float32:
|
|
return Float
|
|
case mgl32.Vec2:
|
|
return Vec2
|
|
case mgl32.Vec3:
|
|
return Vec3
|
|
case mgl32.Vec4:
|
|
return Vec4
|
|
case mgl32.Mat2:
|
|
return Mat2
|
|
case mgl32.Mat2x3:
|
|
return Mat23
|
|
case mgl32.Mat2x4:
|
|
return Mat24
|
|
case mgl32.Mat3:
|
|
return Mat3
|
|
case mgl32.Mat3x2:
|
|
return Mat32
|
|
case mgl32.Mat3x4:
|
|
return Mat34
|
|
case mgl32.Mat4:
|
|
return Mat4
|
|
case mgl32.Mat4x2:
|
|
return Mat42
|
|
case mgl32.Mat4x3:
|
|
return Mat43
|
|
case *mgl32.Vec2:
|
|
return Vec2p
|
|
case *mgl32.Vec3:
|
|
return Vec3p
|
|
case *mgl32.Vec4:
|
|
return Vec4p
|
|
case *mgl32.Mat2:
|
|
return Mat2p
|
|
case *mgl32.Mat2x3:
|
|
return Mat23p
|
|
case *mgl32.Mat2x4:
|
|
return Mat24p
|
|
case *mgl32.Mat3:
|
|
return Mat3p
|
|
case *mgl32.Mat3x2:
|
|
return Mat32p
|
|
case *mgl32.Mat3x4:
|
|
return Mat34p
|
|
case *mgl32.Mat4:
|
|
return Mat4p
|
|
case *mgl32.Mat4x2:
|
|
return Mat42p
|
|
case *mgl32.Mat4x3:
|
|
return Mat43p
|
|
case *int32:
|
|
return Intp
|
|
case *float32:
|
|
return Floatp
|
|
default:
|
|
panic("invalid AttrType")
|
|
}
|
|
}
|