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unsafeptr is now byte-aligned

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This commit is contained in:
minjaesong
2022-04-06 20:54:58 +09:00
parent d958683365
commit 97633eba46
4 changed files with 51 additions and 49 deletions
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44
src/net/torvald/gdx/graphics/UnsafeCvecArray.kt
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@@ -16,7 +16,7 @@ internal class UnsafeCvecArray(val width: Int, val height: Int) {
private val array = UnsafeHelper.allocate(TOTAL_SIZE_IN_BYTES)
val ptr = array.ptr
private inline fun toAddr(x: Int, y: Int) = 16L * (y * width + x)
private inline fun toAddr(x: Int, y: Int) = 4L * (y * width + x)
fun isDestroyed() = array.destroyed
@@ -26,43 +26,43 @@ 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) + 4)
fun getB(x: Int, y: Int) = array.getFloat(toAddr(x, y) + 8)
fun getA(x: Int, y: Int) = array.getFloat(toAddr(x, y) + 12)
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)
inline fun getVec(x: Int, y: Int) = Cvec(
array.getFloat(toAddr(x, y)),
array.getFloat(toAddr(x, y) + 4),
array.getFloat(toAddr(x, y) + 8),
array.getFloat(toAddr(x, y) + 12)
array.getFloat(toAddr(x, y) + 1),
array.getFloat(toAddr(x, y) + 2),
array.getFloat(toAddr(x, y) + 3)
)
/**
* @param channel 0 for R, 1 for G, 2 for B, 3 for A
*/
fun channelGet(x: Int, y: Int, channel: Int) = array.getFloat(toAddr(x, y) + 4L * channel)
fun channelGet(x: Int, y: Int, channel: Int) = array.getFloat(toAddr(x, y) + channel)
// setters
fun zerofill() = array.fillWith(0)
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) + 4, value) }
fun setB(x: Int, y: Int, value: Float) { array.setFloat(toAddr(x, y) + 8, value) }
fun setA(x: Int, y: Int, value: Float) { array.setFloat(toAddr(x, y) + 12, 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) }
inline fun setVec(x: Int, y: Int, value: Cvec) {
array.setFloat(toAddr(x, y), value.r)
array.setFloat(toAddr(x, y) + 4, value.g)
array.setFloat(toAddr(x, y) + 8, value.b)
array.setFloat(toAddr(x, y) + 12, value.a)
array.setFloat(toAddr(x, y) + 1, value.g)
array.setFloat(toAddr(x, y) + 2, value.b)
array.setFloat(toAddr(x, y) + 3, value.a)
}
inline fun setScalar(x: Int, y: Int, value: Float) {
array.setFloat(toAddr(x, y), value)
array.setFloat(toAddr(x, y) + 4, value)
array.setFloat(toAddr(x, y) + 8, value)
array.setFloat(toAddr(x, y) + 12, value)
array.setFloat(toAddr(x, y) + 1, value)
array.setFloat(toAddr(x, y) + 2, value)
array.setFloat(toAddr(x, y) + 3, value)
}
/**
* @param channel 0 for R, 1 for G, 2 for B, 3 for A
*/
fun channelSet(x: Int, y: Int, channel: Int, value: Float) {
array.setFloat(toAddr(x, y) + 4L * channel, value)
array.setFloat(toAddr(x, y) + channel, value)
}
// operators
@@ -82,20 +82,20 @@ internal class UnsafeCvecArray(val width: Int, val height: Int) {
fun mulAndAssign(x: Int, y: Int, scalar: Float) {
val addr = toAddr(x, y)
for (k in 0..3) {
array.setFloat(addr + 4*k, (array.getFloat(addr + 4*k) * scalar))
array.setFloat(addr + k, (array.getFloat(addr + k) * scalar))
}
}
fun forAllMulAssign(scalar: Float) {
for (i in 0 until TOTAL_SIZE_IN_BYTES step 4) {
for (i in 0 until TOTAL_SIZE_IN_BYTES / 4) {
array.setFloat(i, array.getFloat(i) * scalar)
}
}
fun forAllMulAssign(vector: Cvec) {
for (i in 0 until TOTAL_SIZE_IN_BYTES step 16) {
for (i in 0 until TOTAL_SIZE_IN_BYTES / 4 step 4) {
for (k in 0 until 4) {
array.setFloat(i + 4*k, array.getFloat(i + 4*k) * vector.getElem(k))
array.setFloat(i + 4*k, array.getFloat(i + k) * vector.getElem(k))
}
}
}