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[orx-temporal-blur] Add gain and color matrix controls

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This commit is contained in:
Edwin Jakobs
2021-07-25 12:09:09 +02:00
parent f6263f76f5
commit c388cbe7e2
5 changed files with 125 additions and 27 deletions
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37
orx-temporal-blur/src/main/kotlin/TemporalBlur.kt
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@@ -44,6 +44,7 @@ private val add by lazy { PlainAdd() }
* the scene as many times as you have samples.
*/
class TemporalBlur : Extension {
private var oldClock: () -> Double = { 0.0 }
override var enabled: Boolean = true
private var accumulator: RenderTarget? = null
@@ -51,6 +52,9 @@ class TemporalBlur : Extension {
private var image: RenderTarget? = null
private var imageResolved: RenderTarget? = null
// modifier for final stage averager, higher gain results in brighter images
var gain = 1.0
/**
* number of samples to take, more is slower
*/
@@ -86,6 +90,12 @@ class TemporalBlur : Extension {
* */
var multisample: BufferMultisample = BufferMultisample.SampleCount(8)
var colorMatrix: (Double)->Matrix55 = { Matrix55.IDENTITY }
var beforeDrawAccumulated : TemporalBlur.() -> Unit = {}
override fun beforeDraw(drawer: Drawer, program: Program) {
val extensionOffset = program.extensions.indexOf(this)
val extensionTail = program.extensions.drop(extensionOffset + 1)
@@ -155,12 +165,11 @@ class TemporalBlur : Extension {
drawer.clear(ColorRGBa.BLACK)
}
}
val oldClock = program.clock
oldClock = program.clock
val oldClockValue = oldClock()
for (i in samples - 1 downTo 1) {
image?.bind()
drawer.clear(ColorRGBa.BLACK)
program.clock = { oldClockValue - (i * duration) / (fps * samples) }
@@ -194,8 +203,16 @@ class TemporalBlur : Extension {
}
}
val activeColorMatrix = colorMatrix(i / (samples - 1.0))
if (activeColorMatrix !== Matrix55.IDENTITY) {
drawer.isolatedWithTarget(imageResolved!!) {
drawer.drawStyle.colorMatrix = activeColorMatrix
drawer.drawStyle.blendMode = BlendMode.REPLACE
drawer.image(imageResolved!!.colorBuffer(0))
}
}
add.apply(arrayOf(imageResolved!!.colorBuffer(0), accumulator!!.colorBuffer(0)), accumulator!!.colorBuffer(0))
program.clock = oldClock
fsf.setDouble(program, program.clock())
}
image?.let {
@@ -207,11 +224,23 @@ class TemporalBlur : Extension {
}
override fun afterDraw(drawer: Drawer, program: Program) {
// restore clock
program.clock = oldClock
// -- we receive one last frame here
image?.unbind()
image!!.colorBuffer(0).copyTo(imageResolved!!.colorBuffer(0))
val activeColorMatrix = colorMatrix(0.0)
if (activeColorMatrix !== Matrix55.IDENTITY) {
drawer.isolatedWithTarget(imageResolved!!) {
drawer.drawStyle.colorMatrix = activeColorMatrix
drawer.drawStyle.blendMode = BlendMode.REPLACE
drawer.image(imageResolved!!.colorBuffer(0))
}
}
add.apply(arrayOf(imageResolved!!.colorBuffer(0), accumulator!!.colorBuffer(0)), accumulator!!.colorBuffer(0))
beforeDrawAccumulated()
// -- render accumulated result
drawer.isolated {
@@ -222,7 +251,7 @@ class TemporalBlur : Extension {
drawer.drawStyle.blendMode = BlendMode.OVER
drawer.clear(ColorRGBa.BLACK)
drawer.drawStyle.colorMatrix = tint(ColorRGBa.WHITE.shade(1.0 / samples))
drawer.drawStyle.colorMatrix = tint(ColorRGBa.WHITE.shade((1.0 / samples) * gain))
drawer.image(accumulator!!.colorBuffer(0))
}
if (delinearizeOutput) {