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Code Issues Packages Projects Releases Wiki Activity

using weaker and faster fullscreen blurring; this is a style choice

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This commit is contained in:
minjaesong
2021-12-10 23:22:13 +09:00
parent 455f8ebf5f
commit df1b3dc680
4 changed files with 166 additions and 117 deletions
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111
src/net/torvald/terrarum/modulebasegame/IngameRenderer.kt
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@@ -8,10 +8,10 @@ import com.badlogic.gdx.graphics.g2d.TextureRegion
import com.badlogic.gdx.graphics.glutils.FrameBuffer
import com.badlogic.gdx.graphics.glutils.ShaderProgram
import com.badlogic.gdx.utils.Disposable
import com.badlogic.gdx.utils.GdxRuntimeException
import net.torvald.random.HQRNG
import net.torvald.terrarum.*
import net.torvald.terrarum.App.measureDebugTime
import net.torvald.terrarum.App.printdbg
import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZE
import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZEF
import net.torvald.terrarum.gameactors.ActorWithBody
@@ -677,12 +677,22 @@ object IngameRenderer : Disposable {
private const val KAWASE_POWER = 0.667f
private var blurtex0 = Texture(16, 16, Pixmap.Format.RGBA8888)
private var blurtex1 = Texture(16, 16, Pixmap.Format.RGBA8888)
private var blurtex2 = Texture(16, 16, Pixmap.Format.RGBA8888)
private var blurtex3 = Texture(16, 16, Pixmap.Format.RGBA8888)
private var blurtex4 = Texture(16, 16, Pixmap.Format.RGBA8888)
fun processKawaseBlur(outFbo: FrameBuffer) {
blurtex0.dispose()
// initialise readBuffer with untreated lightmap
outFbo.inAction(camera, batch) {
val texture = LightmapRenderer.draw()
texture.bind(0)
blurtex0 = LightmapRenderer.draw()
blurtex0.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
blurtex0.bind(0)
shaderPassthru.bind()
shaderPassthru.setUniformMatrix("u_projTrans", camera.combined)
shaderPassthru.setUniformi("u_texture", 0)
@@ -690,8 +700,9 @@ object IngameRenderer : Disposable {
}
fboBlurHalf.inAction(camera, batch) {
val texture = outFbo.colorBufferTexture
texture.bind(0)
blurtex1 = outFbo.colorBufferTexture
blurtex1.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
blurtex1.bind(0)
shaderKawaseDown.bind()
shaderKawaseDown.setUniformMatrix("u_projTrans", camera.combined)
shaderKawaseDown.setUniformi("u_texture", 0)
@@ -700,8 +711,9 @@ object IngameRenderer : Disposable {
}
fboBlurQuarter.inAction(camera, batch) {
val texture = fboBlurHalf.colorBufferTexture
texture.bind(0)
blurtex2 = fboBlurHalf.colorBufferTexture
blurtex2.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
blurtex2.bind(0)
shaderKawaseDown.bind()
shaderKawaseDown.setUniformMatrix("u_projTrans", camera.combined)
shaderKawaseDown.setUniformi("u_texture", 0)
@@ -710,8 +722,9 @@ object IngameRenderer : Disposable {
}
fboBlurHalf.inAction(camera, batch) {
val texture = fboBlurQuarter.colorBufferTexture
texture.bind(0)
blurtex3 = fboBlurQuarter.colorBufferTexture
blurtex3.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
blurtex3.bind(0)
shaderKawaseUp.bind()
shaderKawaseUp.setUniformMatrix("u_projTrans", camera.combined)
shaderKawaseUp.setUniformi("u_texture", 0)
@@ -721,8 +734,8 @@ object IngameRenderer : Disposable {
// TODO apply dithering on this specific draw call
outFbo.inAction(camera, batch) {
val texture = fboBlurHalf.colorBufferTexture
texture.bind(0)
blurtex4 = fboBlurHalf.colorBufferTexture
blurtex4.bind(0)
shaderKawaseUp.bind()
shaderKawaseUp.setUniformMatrix("u_projTrans", camera.combined)
shaderKawaseUp.setUniformi("u_texture", 0)
@@ -732,76 +745,6 @@ object IngameRenderer : Disposable {
}
fun processNoBlur() {
lightmapFboB.inAction(camera, batch) {
val texture = LightmapRenderer.draw()
texture.bind(0)
shaderPassthru.bind()
shaderPassthru.setUniformMatrix("u_projTrans", camera.combined)
shaderPassthru.setUniformi("u_texture", 0)
blurWriteQuad.render(shaderPassthru, GL20.GL_TRIANGLES)
}
}
fun processBlur(lightmapFboA: FrameBuffer, lightmapFboB: FrameBuffer) {
var blurWriteBuffer = lightmapFboA
var blurReadBuffer = lightmapFboB
// buffers must be cleared beforehand
// initialise readBuffer with untreated lightmap
blurReadBuffer.inAction(camera, batch) {
val texture = LightmapRenderer.draw()
texture.bind(0)
shaderPassthru.bind()
shaderPassthru.setUniformMatrix("u_projTrans", camera.combined)
shaderPassthru.setUniformi("u_texture", 0)
blurWriteQuad.render(shaderPassthru, GL20.GL_TRIANGLES)
}
// do blurring
for (i in 0 until 4) {
val blurRadius = (4f / lightmapDownsample) * (1 shl i.ushr(1))
blurWriteBuffer.inAction(camera, batch) {
blurTex.texture = blurReadBuffer.colorBufferTexture
blurTex.texture.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
blurTex.texture.bind(0)
App.getCurrentDitherTex().bind(1) // order is important!
shaderBlur.bind()
shaderBlur.setUniformMatrix("u_projTrans", camera.combined)
shaderBlur.setUniformi("rnd", rng.nextInt(8192), rng.nextInt(8192))
shaderBlur.setUniformi("u_pattern", 1)
shaderBlur.setUniformi("u_texture", 0)
shaderBlur.setUniformf("iResolution",
blurWriteBuffer.width.toFloat(), blurWriteBuffer.height.toFloat())
shaderBlur.setUniformf("flip", 1f)
if (i % 2 == 0)
shaderBlur.setUniformf("direction", blurRadius, 0f)
else
shaderBlur.setUniformf("direction", 0f, blurRadius)
blurWriteQuad.render(shaderBlur, GL20.GL_TRIANGLES)
// swap
val t = blurWriteBuffer
blurWriteBuffer = blurReadBuffer
blurReadBuffer = t
}
}
blendNormal(batch)
}
private var init = false
fun resize(width: Int, height: Int) {
@@ -914,6 +857,12 @@ object IngameRenderer : Disposable {
lightmapFboA.dispose()
lightmapFboB.dispose()
try { blurtex0.dispose() } catch (e: GdxRuntimeException) {}
// try { blurtex1.dispose() } catch (e: GdxRuntimeException) {}
// try { blurtex2.dispose() } catch (e: GdxRuntimeException) {}
// try { blurtex3.dispose() } catch (e: GdxRuntimeException) {}
// try { blurtex4.dispose() } catch (e: GdxRuntimeException) {}
fboBlurHalf.dispose()
fboBlurQuarter.dispose()