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screen blur without creating a texture

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minjaesong
2021-12-12 13:09:59 +09:00
parent 90a794cc7b
commit 06a6d2774c
6 changed files with 107 additions and 110 deletions
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30
src/net/torvald/terrarum/PostProcessor.kt
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@@ -8,7 +8,6 @@ import com.badlogic.gdx.graphics.OrthographicCamera
import com.badlogic.gdx.graphics.Texture
import com.badlogic.gdx.graphics.g2d.SpriteBatch
import com.badlogic.gdx.graphics.glutils.FrameBuffer
import com.badlogic.gdx.graphics.glutils.ShaderProgram
import com.badlogic.gdx.graphics.glutils.ShapeRenderer
import com.badlogic.gdx.math.Matrix4
import com.badlogic.gdx.utils.Disposable
@@ -43,7 +42,6 @@ object PostProcessor : Disposable {
private val functionRowHelper = Texture(Gdx.files.internal("assets/graphics/function_row_help.png"))
private val shaderBayer = App.loadShaderFromFile("assets/shaders/4096.vert", "assets/shaders/4096_bayer.frag") // always load the shader regardless of config because the config may cange
init {
App.disposables.add(this)
@@ -57,7 +55,6 @@ object PostProcessor : Disposable {
lutTex.dispose()
}
catch (e: UninitializedPropertyAccessException) { }
shaderBayer.dispose()
}
fun draw(projMat: Matrix4, fbo: FrameBuffer) {
@@ -133,17 +130,26 @@ object PostProcessor : Disposable {
private val rng = HQRNG()
private fun postShader(projMat: Matrix4, fbo: FrameBuffer) {
val shader: ShaderProgram = shaderBayer
App.getCurrentDitherTex().bind(1)
fbo.colorBufferTexture.bind(0)
if (App.getConfigBoolean("fx_dither")) {
App.getCurrentDitherTex().bind(1)
fbo.colorBufferTexture.bind(0)
shader.bind()
shader.setUniformMatrix("u_projTrans", projMat)
shader.setUniformi("u_texture", 0)
shader.setUniformi("rnd", rng.nextInt(8192), rng.nextInt(8192))
shader.setUniformi("u_pattern", 1)
App.fullscreenQuad.render(shader, GL20.GL_TRIANGLES)
App.shaderDitherRGBA.bind()
App.shaderDitherRGBA.setUniformMatrix("u_projTrans", projMat)
App.shaderDitherRGBA.setUniformi("u_texture", 0)
App.shaderDitherRGBA.setUniformi("rnd", rng.nextInt(8192), rng.nextInt(8192))
App.shaderDitherRGBA.setUniformi("u_pattern", 1)
App.fullscreenQuad.render(App.shaderDitherRGBA, GL20.GL_TRIANGLES)
}
else {
fbo.colorBufferTexture.bind(0)
App.shaderPassthruRGBA.bind()
App.shaderPassthruRGBA.setUniformMatrix("u_projTrans", projMat)
App.shaderPassthruRGBA.setUniformi("u_texture", 0)
App.fullscreenQuad.render(App.shaderPassthruRGBA, GL20.GL_TRIANGLES)
}
Gdx.gl.glActiveTexture(GL20.GL_TEXTURE0) // so that batch that comes next will bind any tex to it