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Add intermediate cache for BoxBlur

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This commit is contained in:
Edwin Jakobs
2020-01-14 18:39:34 +01:00
parent b0f48d2ace
commit f8cee11ab8
2 changed files with 10 additions and 16 deletions
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2
orx-fx/src/main/kotlin/blur/ApproximateGaussianBlur.kt
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@@ -51,7 +51,7 @@ class ApproximateGaussianBlur : Filter(Shader.createFromCode(Filter.filterVertex
colorBuffer(target[0].width, target[0].height, target[0].contentScale, target[0].format, target[0].type)
}
intermediate?.let {
intermediate.let {
parameters["blurDirection"] = Vector2(1.0, 0.0)
super.apply(source, arrayOf(it))

22
orx-fx/src/main/kotlin/blur/BoxBlur.kt
View File

@@ -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 +11,8 @@ import org.openrndr.math.Vector2
class BoxBlur : Filter(Shader.createFromCode(Filter.filterVertexCode,
filterFragmentCode("blur/box-blur.frag"))) {
data class ColorBufferDescription(val width: Int, val height: Int, val contentScale: Double, val format: ColorFormat, val type: ColorType)
/**
* The sample window, default is 5
*/
@@ -29,7 +28,7 @@ class BoxBlur : Filter(Shader.createFromCode(Filter.filterVertexCode,
*/
var gain: Double by parameters
private var intermediate: ColorBuffer? = null
private var intermediateCache = mutableMapOf<ApproximateGaussianBlur.ColorBufferDescription, ColorBuffer>()
init {
window = 5
@@ -38,17 +37,12 @@ class BoxBlur : Filter(Shader.createFromCode(Filter.filterVertexCode,
}
override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>) {
intermediate?.let {
if (it.width != target[0].width || it.height != target[0].height) {
intermediate = null
}
val intermediateDescription = ApproximateGaussianBlur.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)
}
if (intermediate == null) {
intermediate = colorBuffer(target[0].width, target[0].height, target[0].contentScale, target[0].format, target[0].type)
}
intermediate?.let {
intermediate.let {
parameters["blurDirection"] = Vector2(1.0, 0.0)
super.apply(source, arrayOf(it))