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more optimisation

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This commit is contained in:
minjaesong
2022-10-06 21:42:46 +09:00
parent 93ac1011e9
commit 8533f92274
3 changed files with 51 additions and 22 deletions
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37
src/net/torvald/gdx/graphics/UnsafeCvecArray.kt
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@@ -25,10 +25,11 @@ internal class UnsafeCvecArray(val width: Int, val height: Int) {
}
// getters
fun getR(x: Int, y: Int) = array.getFloat(toAddr(x, y))
fun getG(x: Int, y: Int) = array.getFloat(toAddr(x, y) + 1)
fun getB(x: Int, y: Int) = array.getFloat(toAddr(x, y) + 2)
fun getA(x: Int, y: Int) = array.getFloat(toAddr(x, y) + 3)
// fun getR(x: Int, y: Int) = array.getFloat(toAddr(x, y))
// fun getG(x: Int, y: Int) = array.getFloat(toAddr(x, y) + 1)
// fun getB(x: Int, y: Int) = array.getFloat(toAddr(x, y) + 2)
// fun getA(x: Int, y: Int) = array.getFloat(toAddr(x, y) + 3)
// operator fun get(i: Long) = array.getFloat(i)
/**
* Returns a copy of the vector. Use [setVec] to modify the value in the CvecArray
*/
@@ -41,6 +42,31 @@ internal class UnsafeCvecArray(val width: Int, val height: Int) {
array.getFloat(a + 3)
)
}
/**
* `getAndSet(cvec, x, y)` is equivalent to
* `cvec.set(this.getVec(x, y))`
*/
fun getAndSet(target: Cvec, x: Int, y: Int) {
val a = toAddr(x, y)
target.r = array.getFloat(a + 0)
target.g = array.getFloat(a + 1)
target.b = array.getFloat(a + 2)
target.a = array.getFloat(a + 3)
}
/**
* `getAndSet(cvec, x, y, func)` is equivalent to
* `target.setVec(x, y, func(this.getVec(x, y)))`
*
* The target must have the same dimension as this CvecArray.
*/
fun getAndSetMap(target: UnsafeCvecArray, x: Int, y: Int, transform: (Float) -> Float) {
val a = toAddr(x, y)
target.array.setFloat(a + 0, transform(this.array.getFloat(a + 0)))
target.array.setFloat(a + 1, transform(this.array.getFloat(a + 1)))
target.array.setFloat(a + 2, transform(this.array.getFloat(a + 2)))
target.array.setFloat(a + 3, transform(this.array.getFloat(a + 3)))
}
/**
* @param channel 0 for R, 1 for G, 2 for B, 3 for A
*/
@@ -48,10 +74,11 @@ internal class UnsafeCvecArray(val width: Int, val height: Int) {
// setters
fun zerofill() = array.fillWith(0)
// fun setR(x: Int, y: Int, value: Float) { array.setFloat(toAddr(x, y), value) }
// fun setR(x: Int, y: Int, value: Float) { array.setFloat(toAddr(x, y), value) }
// fun setG(x: Int, y: Int, value: Float) { array.setFloat(toAddr(x, y) + 1, value) }
// fun setB(x: Int, y: Int, value: Float) { array.setFloat(toAddr(x, y) + 2, value) }
// fun setA(x: Int, y: Int, value: Float) { array.setFloat(toAddr(x, y) + 3, value) }
// operator fun set(i: Long, value: Float) = array.setFloat(i, value)
fun setVec(x: Int, y: Int, value: Cvec) {
val a = toAddr(x, y)
array.setFloat(a + 0, value.r)