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more sensible way of obtaining and using colorbuffertexture

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This commit is contained in:
minjaesong
2021-04-03 20:48:14 +09:00
parent bae438c2df
commit 6bb33e5c3d
1 changed files with 33 additions and 28 deletions
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61
src/net/torvald/terrarum/modulebasegame/IngameRenderer.kt
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@@ -4,6 +4,7 @@ import com.badlogic.gdx.Gdx
import com.badlogic.gdx.Input import com.badlogic.gdx.Input
import com.badlogic.gdx.graphics.* import com.badlogic.gdx.graphics.*
import com.badlogic.gdx.graphics.g2d.SpriteBatch import com.badlogic.gdx.graphics.g2d.SpriteBatch
import com.badlogic.gdx.graphics.g2d.TextureRegion
import com.badlogic.gdx.graphics.glutils.FrameBuffer import com.badlogic.gdx.graphics.glutils.FrameBuffer
import com.badlogic.gdx.graphics.glutils.ShaderProgram import com.badlogic.gdx.graphics.glutils.ShaderProgram
import com.badlogic.gdx.utils.Disposable import com.badlogic.gdx.utils.Disposable
@@ -41,6 +42,10 @@ object IngameRenderer : Disposable {
private lateinit var fboRGB_lightMixed: FrameBuffer private lateinit var fboRGB_lightMixed: FrameBuffer
private lateinit var fboA: FrameBuffer private lateinit var fboA: FrameBuffer
private lateinit var fboA_lightMixed: FrameBuffer private lateinit var fboA_lightMixed: FrameBuffer
private lateinit var rgbTex: TextureRegion
private lateinit var aTex: TextureRegion
private lateinit var lightTex: TextureRegion
private lateinit var blurTex: TextureRegion
// you must have lightMixed FBO; otherwise you'll be reading from unbaked FBO and it freaks out GPU // you must have lightMixed FBO; otherwise you'll be reading from unbaked FBO and it freaks out GPU
@@ -216,10 +221,8 @@ object IngameRenderer : Disposable {
// use shader to mix RGB and A // use shader to mix RGB and A
setCameraPosition(0f, 0f) setCameraPosition(0f, 0f)
val rgbTex = fboRGB_lightMixed.colorBufferTexture rgbTex.texture.setFilter(Texture.TextureFilter.Nearest, Texture.TextureFilter.Nearest)
val aTex = fboA_lightMixed.colorBufferTexture aTex.texture.setFilter(Texture.TextureFilter.Nearest, Texture.TextureFilter.Nearest)
rgbTex.setFilter(Texture.TextureFilter.Nearest, Texture.TextureFilter.Nearest)
aTex.setFilter(Texture.TextureFilter.Nearest, Texture.TextureFilter.Nearest)
// normal behaviour // normal behaviour
if (!KeyToggler.isOn(Input.Keys.F6) && if (!KeyToggler.isOn(Input.Keys.F6) &&
@@ -227,7 +230,7 @@ object IngameRenderer : Disposable {
) { ) {
debugMode = 0 debugMode = 0
aTex.bind(1) aTex.texture.bind(1)
Gdx.gl.glActiveTexture(GL20.GL_TEXTURE0) // so that batch that comes next will bind any tex to it Gdx.gl.glActiveTexture(GL20.GL_TEXTURE0) // so that batch that comes next will bind any tex to it
@@ -236,10 +239,10 @@ object IngameRenderer : Disposable {
batch.shader = shaderBlendGlow batch.shader = shaderBlendGlow
shaderBlendGlow.setUniformi("tex1", 1) shaderBlendGlow.setUniformi("tex1", 1)
batch.draw(rgbTex, batch.draw(rgbTex,
-0.5f * rgbTex.width * zoom + 0.5f * rgbTex.width, -0.5f * rgbTex.regionWidth * zoom + 0.5f * rgbTex.regionWidth,
-0.5f * rgbTex.height * zoom + 0.5f * rgbTex.height, -0.5f * rgbTex.regionHeight * zoom + 0.5f * rgbTex.regionHeight,
rgbTex.width * zoom, rgbTex.regionWidth * zoom,
rgbTex.height * zoom rgbTex.regionHeight * zoom
) )
} }
@@ -255,10 +258,10 @@ object IngameRenderer : Disposable {
blendNormal(batch) blendNormal(batch)
batch.shader = null batch.shader = null
batch.draw(rgbTex, batch.draw(rgbTex,
-0.5f * rgbTex.width * zoom + 0.5f * rgbTex.width, -0.5f * rgbTex.regionWidth * zoom + 0.5f * rgbTex.regionWidth,
-0.5f * rgbTex.height * zoom + 0.5f * rgbTex.height, -0.5f * rgbTex.regionHeight * zoom + 0.5f * rgbTex.regionHeight,
rgbTex.width * zoom, rgbTex.regionWidth * zoom,
rgbTex.height * zoom rgbTex.regionHeight * zoom
) )
// indicator // indicator
@@ -282,10 +285,10 @@ object IngameRenderer : Disposable {
blendNormal(batch) blendNormal(batch)
batch.shader = null batch.shader = null
batch.draw(aTex, batch.draw(aTex,
-0.5f * aTex.width * zoom + 0.5f * aTex.width, -0.5f * aTex.regionWidth * zoom + 0.5f * aTex.regionWidth,
-0.5f * aTex.height * zoom + 0.5f * aTex.height, -0.5f * aTex.regionHeight * zoom + 0.5f * aTex.regionHeight,
aTex.width * zoom, aTex.regionWidth * zoom,
aTex.height * zoom aTex.regionHeight * zoom
) )
// indicator // indicator
@@ -449,8 +452,7 @@ object IngameRenderer : Disposable {
batch.flush() batch.flush()
// multiply light on top of it // multiply light on top of it
val lightTex = lightmapFboB.colorBufferTexture lightTex.texture.setFilter(Texture.TextureFilter.Nearest, Texture.TextureFilter.Nearest)
lightTex.setFilter(Texture.TextureFilter.Nearest, Texture.TextureFilter.Nearest)
if (KeyToggler.isOn(Input.Keys.F8)) if (KeyToggler.isOn(Input.Keys.F8))
blendNormal(batch) blendNormal(batch)
@@ -460,8 +462,8 @@ object IngameRenderer : Disposable {
batch.shader = shaderRGBOnly batch.shader = shaderRGBOnly
batch.draw(lightTex, batch.draw(lightTex,
xrem, yrem, xrem, yrem,
lightTex.width * lightmapDownsample, lightTex.regionWidth * lightmapDownsample,
lightTex.height * lightmapDownsample lightTex.regionHeight * lightmapDownsample
) )
} }
@@ -531,8 +533,7 @@ object IngameRenderer : Disposable {
batch.flush() batch.flush()
// multiply light on top of it // multiply light on top of it
val lightTex = lightmapFboB.colorBufferTexture lightTex.texture.setFilter(Texture.TextureFilter.Nearest, Texture.TextureFilter.Nearest)
lightTex.setFilter(Texture.TextureFilter.Nearest, Texture.TextureFilter.Nearest)
if (KeyToggler.isOn(Input.Keys.F8)) if (KeyToggler.isOn(Input.Keys.F8))
blendNormal(batch) blendNormal(batch)
@@ -542,8 +543,8 @@ object IngameRenderer : Disposable {
batch.shader = shaderAtoGrey batch.shader = shaderAtoGrey
batch.draw(lightTex, batch.draw(lightTex,
xrem, yrem, xrem, yrem,
lightTex.width * lightmapDownsample, lightTex.regionWidth * lightmapDownsample,
lightTex.height * lightmapDownsample lightTex.regionHeight * lightmapDownsample
) )
} }
@@ -639,9 +640,9 @@ object IngameRenderer : Disposable {
for (i in 0 until blurIterations) { for (i in 0 until blurIterations) {
blurWriteBuffer.inAction(camera, batch) { blurWriteBuffer.inAction(camera, batch) {
val texture = blurReadBuffer.colorBufferTexture blurTex.texture = blurReadBuffer.colorBufferTexture
texture.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear) blurTex.texture.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
texture.bind(0) blurTex.texture.bind(0)
shaderBlur.begin() shaderBlur.begin()
shaderBlur.setUniformMatrix("u_projTrans", camera.combined) shaderBlur.setUniformMatrix("u_projTrans", camera.combined)
@@ -707,6 +708,10 @@ object IngameRenderer : Disposable {
LightmapRenderer.lightBuffer.height * LightmapRenderer.DRAW_TILE_SIZE.toInt(), LightmapRenderer.lightBuffer.height * LightmapRenderer.DRAW_TILE_SIZE.toInt(),
true true
) )
rgbTex = TextureRegion(fboRGB_lightMixed.colorBufferTexture)
aTex = TextureRegion(fboA_lightMixed.colorBufferTexture)
lightTex = TextureRegion(lightmapFboB.colorBufferTexture)
blurTex = TextureRegion()
BlocksDrawer.resize(width, height) BlocksDrawer.resize(width, height)
LightmapRenderer.resize(width, height) LightmapRenderer.resize(width, height)