mirror of
https://github.com/curioustorvald/Terrarum.git
synced 2026-03-07 12:21:52 +09:00
blur shader works
This commit is contained in:
minjaesong
@@ -1,12 +1,31 @@
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#ifdef GL_ES
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precision mediump float;
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#endif
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varying vec4 v_color;
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varying vec2 v_texCoords;
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uniform sampler2D u_texture;
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uniform vec3 iResolution;
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uniform float flip;
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uniform vec2 direction;
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vec4 blur(sampler2D image, vec2 uv, vec2 resolution, vec2 direction) {
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vec4 color = vec4(0.0);
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vec2 off1 = vec2(1.3846153846) * direction;
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vec2 off2 = vec2(3.2307692308) * direction;
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color += texture2D(image, uv) * 0.2270270270;
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color += texture2D(image, uv + (off1 / resolution)) * 0.3162162162;
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color += texture2D(image, uv - (off1 / resolution)) * 0.3162162162;
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color += texture2D(image, uv + (off2 / resolution)) * 0.0702702703;
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color += texture2D(image, uv - (off2 / resolution)) * 0.0702702703;
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return color;
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}
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void main() {
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//gl_FragColor = v_color * texture2D(u_texture, v_texCoords);
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gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
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vec2 uv = vec2(gl_FragCoord.xy / iResolution.xy);
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if (flip == 1.0) {
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uv.y = 1.0 - uv.y;
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}
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gl_FragColor = blur(u_texture, uv, iResolution.xy, direction);
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}
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@@ -4,12 +4,17 @@ import com.badlogic.gdx.ApplicationAdapter
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import com.badlogic.gdx.Gdx
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import com.badlogic.gdx.backends.lwjgl.LwjglApplication
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import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration
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import com.badlogic.gdx.graphics.Color
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import com.badlogic.gdx.graphics.GL20
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import com.badlogic.gdx.graphics.Pixmap
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import com.badlogic.gdx.graphics.Texture
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import com.badlogic.gdx.graphics.g2d.BitmapFont
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import com.badlogic.gdx.graphics.g2d.SpriteBatch
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import com.badlogic.gdx.graphics.glutils.FrameBuffer
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import com.badlogic.gdx.graphics.glutils.ShaderProgram
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import net.torvald.terrarumsansbitmap.gdx.GameFontBase
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import com.badlogic.gdx.graphics.OrthographicCamera
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/**
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@@ -22,6 +27,13 @@ class TestTestTest : ApplicationAdapter() {
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lateinit var gameFont: BitmapFont
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lateinit var blurShader: ShaderProgram
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lateinit var blurFboA: FrameBuffer
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lateinit var blurFboB: FrameBuffer
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lateinit var cam: OrthographicCamera
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override fun create() {
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batch = SpriteBatch()
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img = Texture("assets/test_texture.tga")
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@@ -29,59 +41,89 @@ class TestTestTest : ApplicationAdapter() {
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gameFont = GameFontBase("assets/graphics/fonts/terrarum-sans-bitmap")
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//gameFont = BitmapFont()
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blurFboA = FrameBuffer(Pixmap.Format.RGBA8888, img.width, img.height, false)
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blurFboB = FrameBuffer(Pixmap.Format.RGBA8888, img.width, img.height, false)
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ShaderProgram.pedantic = false
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blurShader = ShaderProgram(Gdx.files.internal("assets/blur.vert"), Gdx.files.internal("assets/blur.frag"))
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blurShader.begin()
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blurShader.setUniformf("iResolution", img.width.toFloat(), img.height.toFloat(), 0f)
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blurShader.end()
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cam = OrthographicCamera(Gdx.graphics.width.toFloat(), Gdx.graphics.height.toFloat())
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cam.setToOrtho(false)
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}
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val text = arrayOf(
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"x64またはx86-64とは、x86アーキテクチャを64ビットに拡張した命令セットアーキテクチャ。",
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"実際には、AMDが発表したAMD64命令セット、続けてインテルが採用したIntel 64命令セット (かつてIA-32eまたはEM64Tと呼ばれていた)",
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"などを含む、各社のAMD64互換命令セットの総称である。x86命令セットと互換性を持っていることから、広義にはx86にx64を含む場合がある。",
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"",
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"x86-64는 x86 명령어 집합 아키텍처의 64비트 모임이다. x86-64 명령어 집합은 에뮬레이션 없이 인텔의 x86를 지원하며 AMD64로 이름 붙인",
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"AMD에 의해 고안되었다. 이 아키텍처는 인텔 64라는 이름으로 인텔에 의해 복제되기도 했다. (옘힐, 클래카마스 기술, CT, IA-32e, EM64T 등으로",
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"불렸음) 이로써 x86-64 또는 x64의 이름을 일상적으로 사용하기에 이르렀다.",
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"",
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"x86-64 (также AMD64/Intel64/EM64T) — 64-битное расширение, набор команд для архитектуры x86, разработанное",
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"компанией AMD, позволяющее выполнять программы в 64-разрядном режиме. Это расширение архитектуры x86 с",
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"почти полной обратной совместимостью.",
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"",
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"Επίσης η x86-64 έχει καταχωρητές γενικής χρήσης 64-bit και πολλές άλλες βελτιώσεις. Η αρχική προδιαγραφή",
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"δημιουργήθηκε από την AMD και έχει υλοποιηθεί από την AMD, την Intel, τη VIA και άλλες εταιρείες. Διατηρεί πλήρη",
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"συμβατότητα προς τα πίσω με κώδικα 32-bit.",
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"",
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"x86-64 (簡稱x64) 是64位版本的x86指令集，向后相容於16位及32位的x86架構。x64於1999年由AMD設計，AMD首次公開",
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"64位元集以擴充給x86，稱為「AMD64」。其後也為英特爾所採用，現時英特爾稱之為「Intel 64」，在之前曾使用過「Clackamas",
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"Technology」 (CT)、「IA-32e」及「EM64T」",
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"",
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"x86-64, ou x64, est une extension du jeu d'instructions x86 d'Intel, introduite par la société AMD avec la gamme",
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"AMD64. Intel utilisera cette extension en l'appelant initialement EM64T renommé aujourd'hui en Intel 64.",
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"",
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"Amd64 (також x86-64/intel64/em64t/x64) — 64-бітова архітектура мікропроцесора і відповідний набір інструкцій,",
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"розроблені компанією AMD. Це розширення архітектури x86 з повною зворотною сумісністю.",
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"",
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"x86-64 е наименованието на наборът от 64-битови разширения към x86 процесорната архитектура. Като синоним",
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"на това наименование, се използват и съкращенията AMD64 (използвано от AMD), EM64T и IA-32e (използвани от",
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"Intel) и x64 (използвано от Microsoft).",
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"",
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"เอกซ์86-64 (x86-64) เป็นชื่อของสถาปัตยกรรมคอมพิวเตอร์สำหรับไมโครโพรเซสเซอร์แบบ 64 บิต และชุดคำสั่งที่ใช้งานด้วยกัน x86-64",
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"เป็นส่วนขยายของสถาปัตยกรรมแบบ x86 ออกแบบโดยบริษัท AMD และใช้ชื่อทางการค้าว่า AMD64 ในภายหลังบริษัทอินเทลได้นำสถาปัตยกร",
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"รมนี้ไปใช้ใต้ชื่อการค้าว่า Intel 64 หรือ EM64T ซึ่งชื่อทั่วไปที่ใช้กันโดยไม่อิงกับชื่อการค้าคือ x86-64 หรือ x64"
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)
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override fun render() {
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val iterations = 16
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val radius = 4f
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Gdx.gl.glClearColor(.157f, .157f, .157f, 0f)
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Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT)
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Gdx.graphics.setTitle("$GAME_NAME — F: ${Gdx.graphics.framesPerSecond}")
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(gameFont as GameFontBase).reload("bg")
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blurFboA.inAction {
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Gdx.gl.glClearColor(0f, 0f, 0f, 0f)
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Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT)
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}
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batch.inBatch {
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blurFboB.inAction {
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Gdx.gl.glClearColor(0f, 0f, 0f, 0f)
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Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT)
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}
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text.forEachIndexed { index, s ->
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gameFont.color = Color(1f, 1f, 1f, 1f)
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gameFont.draw(batch, s, 10f, 10 + (20 * text.size) - 20f * index)
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var writeBuffer = blurFboA
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var readBuffer = blurFboB
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for (i in 0..iterations - 1) {
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writeBuffer.inAction {
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batch.inUse {
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cam.setToOrtho(false, writeBuffer.width.toFloat(), writeBuffer.height.toFloat())
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batch.projectionMatrix = cam.combined
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val texture = if (i == 0)
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img
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else
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readBuffer.colorBufferTexture
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texture.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
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batch.shader = blurShader
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batch.shader.setUniformf("flip", 1f)
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if (i % 2 == 0)
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batch.shader.setUniformf("direction", radius, 0f)
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else
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batch.shader.setUniformf("direction", 0f, radius)
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batch.draw(texture, 0f, 0f)
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// swap
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val t = writeBuffer
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writeBuffer = readBuffer
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readBuffer = t
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}
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}
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}
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// draw last FBO to screen
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batch.inUse {
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cam.setToOrtho(false, Gdx.graphics.width.toFloat(), Gdx.graphics.height.toFloat())
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batch.projectionMatrix = cam.combined
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batch.shader.setUniformf("direction", 0f, 0f)
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batch.shader.setUniformf("flip", if (iterations % 2 != 0) 1f else 0f)
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batch.draw(writeBuffer.colorBufferTexture, 0f, 0f)
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}
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}
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@@ -91,11 +133,18 @@ class TestTestTest : ApplicationAdapter() {
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}
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private inline fun SpriteBatch.inBatch(action: () -> Unit) {
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private inline fun SpriteBatch.inUse(action: () -> Unit) {
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this.begin()
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action()
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this.end()
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}
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inline fun FrameBuffer.inAction(action: (FrameBuffer) -> Unit) {
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this.begin()
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action(this)
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this.end()
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}
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}
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fun main(args: Array<String>) { // LWJGL 3 won't work? java.lang.VerifyError
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