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Add intermediate cache for ApproximateGaussianBlur

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This commit is contained in:
Edwin Jakobs
2020-01-14 18:20:24 +01:00
parent 9d2683e4ec
commit 0152ae478e
1 changed files with 9 additions and 13 deletions
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22
orx-fx/src/main/kotlin/blur/ApproximateGaussianBlur.kt
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@@ -1,9 +1,6 @@
package org.openrndr.extra.fx.blur
import org.openrndr.draw.ColorBuffer
import org.openrndr.draw.Filter
import org.openrndr.draw.Shader
import org.openrndr.draw.colorBuffer
import org.openrndr.draw.*
import org.openrndr.extra.fx.filterFragmentCode
import org.openrndr.math.Vector2
@@ -14,6 +11,9 @@ import org.openrndr.math.Vector2
class ApproximateGaussianBlur : Filter(Shader.createFromCode(Filter.filterVertexCode,
filterFragmentCode("blur/approximate-gaussian-blur.frag"))) {
data class ColorBufferDescription(val width:Int, val height:Int, val contentScale:Double, val format:ColorFormat, val type:ColorType)
/**
* blur sample window, default value is 5
*/
@@ -35,7 +35,8 @@ class ApproximateGaussianBlur : Filter(Shader.createFromCode(Filter.filterVertex
var gain: Double by parameters
private var intermediate: ColorBuffer? = null
private var intermediateCache = mutableMapOf<ColorBufferDescription, ColorBuffer>()
init {
window = 5
@@ -45,14 +46,9 @@ class ApproximateGaussianBlur : Filter(Shader.createFromCode(Filter.filterVertex
}
override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>) {
intermediate?.let {
if (it.width != target[0].width || it.height != target[0].height) {
intermediate = null
}
}
if (intermediate == null) {
intermediate = colorBuffer(target[0].width, target[0].height, target[0].contentScale, target[0].format, target[0].type)
val intermediateDescription = ColorBufferDescription(target[0].width, target[0].height, target[0].contentScale, target[0].format, target[0].type)
val intermediate = intermediateCache.getOrPut(intermediateDescription) {
colorBuffer(target[0].width, target[0].height, target[0].contentScale, target[0].format, target[0].type)
}
intermediate?.let {