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Update #6 - Added FXAA Antialiasing

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LAX1DUDE
2022-12-28 23:47:37 -08:00
parent 855e61836f
commit 3d6bbb672c
15 changed files with 672 additions and 129 deletions
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2
sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/EaglercraftGPU.java
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@ -452,6 +452,8 @@ public class EaglercraftGPU {
SpriteLevelMixer.initialize();
InstancedFontRenderer.initialize();
InstancedParticleRenderer.initialize();
EffectPipelineFXAA.initialize();
SpriteLevelMixer.vshLocal.free();
}
public static final ITextureGL getNativeTexture(int tex) {

159
sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/EffectPipelineFXAA.java Normal file
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@ -0,0 +1,159 @@
package net.lax1dude.eaglercraft.v1_8.opengl;
import net.lax1dude.eaglercraft.v1_8.internal.IFramebufferGL;
import net.lax1dude.eaglercraft.v1_8.internal.IProgramGL;
import net.lax1dude.eaglercraft.v1_8.internal.IRenderbufferGL;
import net.lax1dude.eaglercraft.v1_8.internal.IShaderGL;
import net.lax1dude.eaglercraft.v1_8.internal.IUniformGL;
import net.lax1dude.eaglercraft.v1_8.internal.buffer.ByteBuffer;
import net.lax1dude.eaglercraft.v1_8.log4j.LogManager;
import net.lax1dude.eaglercraft.v1_8.log4j.Logger;
import net.lax1dude.eaglercraft.v1_8.opengl.FixedFunctionShader.FixedFunctionConstants;
import static net.lax1dude.eaglercraft.v1_8.opengl.RealOpenGLEnums.*;
import static net.lax1dude.eaglercraft.v1_8.internal.PlatformOpenGL.*;
import net.lax1dude.eaglercraft.v1_8.EagRuntime;
/**
* Copyright (c) 2022 LAX1DUDE. All Rights Reserved.
*
* WITH THE EXCEPTION OF PATCH FILES, MINIFIED JAVASCRIPT, AND ALL FILES
* NORMALLY FOUND IN AN UNMODIFIED MINECRAFT RESOURCE PACK, YOU ARE NOT ALLOWED
* TO SHARE, DISTRIBUTE, OR REPURPOSE ANY FILE USED BY OR PRODUCED BY THE
* SOFTWARE IN THIS REPOSITORY WITHOUT PRIOR PERMISSION FROM THE PROJECT AUTHOR.
*
* NOT FOR COMMERCIAL OR MALICIOUS USE
*
* (please read the 'LICENSE' file this repo's root directory for more info)
*
*/
public class EffectPipelineFXAA {
private static final Logger logger = LogManager.getLogger("EffectPipelineFXAA");
public static final String fragmentShaderPath = "/assets/eagler/glsl/post_fxaa.fsh";
private static final int _GL_FRAMEBUFFER = 0x8D40;
private static final int _GL_RENDERBUFFER = 0x8D41;
private static final int _GL_COLOR_ATTACHMENT0 = 0x8CE0;
private static final int _GL_DEPTH_ATTACHMENT = 0x8D00;
private static final int _GL_DEPTH_COMPONENT32F = 0x8CAC;
private static IProgramGL shaderProgram = null;
private static IUniformGL u_screenSize2f = null;
private static IFramebufferGL framebuffer = null;
private static int framebufferColor = -1;
private static IRenderbufferGL framebufferDepth = null;
private static int currentWidth = -1;
private static int currentHeight = -1;
static void initialize() {
String fragmentSource = EagRuntime.getResourceString(fragmentShaderPath);
if(fragmentSource == null) {
throw new RuntimeException("EffectPipelineFXAA shader \"" + fragmentShaderPath + "\" is missing!");
}
IShaderGL frag = _wglCreateShader(GL_FRAGMENT_SHADER);
_wglShaderSource(frag, FixedFunctionConstants.VERSION + "\n" + fragmentSource);
_wglCompileShader(frag);
if(_wglGetShaderi(frag, GL_COMPILE_STATUS) != GL_TRUE) {
logger.error("Failed to compile GL_FRAGMENT_SHADER \"" + fragmentShaderPath + "\" for EffectPipelineFXAA!");
String log = _wglGetShaderInfoLog(frag);
if(log != null) {
String[] lines = log.split("(\\r\\n|\\r|\\n)");
for(int i = 0; i < lines.length; ++i) {
logger.error("[FRAG] {}", lines[i]);
}
}
throw new IllegalStateException("Fragment shader \"" + fragmentShaderPath + "\" could not be compiled!");
}
shaderProgram = _wglCreateProgram();
_wglAttachShader(shaderProgram, SpriteLevelMixer.vshLocal);
_wglAttachShader(shaderProgram, frag);
_wglBindAttribLocation(shaderProgram, 0, "a_position2f");
_wglLinkProgram(shaderProgram);
_wglDetachShader(shaderProgram, SpriteLevelMixer.vshLocal);
_wglDetachShader(shaderProgram, frag);
_wglDeleteShader(frag);
if(_wglGetProgrami(shaderProgram, GL_LINK_STATUS) != GL_TRUE) {
logger.error("Failed to link shader program for EffectPipelineFXAA!");
String log = _wglGetProgramInfoLog(shaderProgram);
if(log != null) {
String[] lines = log.split("(\\r\\n|\\r|\\n)");
for(int i = 0; i < lines.length; ++i) {
logger.error("[LINK] {}", lines[i]);
}
}
throw new IllegalStateException("Shader program for EffectPipelineFXAA could not be linked!");
}
u_screenSize2f = _wglGetUniformLocation(shaderProgram, "u_screenSize2f");
EaglercraftGPU.bindGLShaderProgram(shaderProgram);
_wglUniform1i(_wglGetUniformLocation(shaderProgram, "u_screenTexture"), 0);
framebuffer = _wglCreateFramebuffer();
framebufferColor = GlStateManager.generateTexture();
GlStateManager.bindTexture(framebufferColor);
_wglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
_wglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
_wglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
_wglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
framebufferDepth = _wglCreateRenderbuffer();
_wglBindRenderbuffer(_GL_RENDERBUFFER, framebufferDepth);
_wglBindFramebuffer(_GL_FRAMEBUFFER, framebuffer);
_wglFramebufferTexture2D(_GL_FRAMEBUFFER, _GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, EaglercraftGPU.getNativeTexture(framebufferColor), 0);
_wglFramebufferRenderbuffer(_GL_FRAMEBUFFER, _GL_DEPTH_ATTACHMENT, _GL_RENDERBUFFER, framebufferDepth);
_wglBindFramebuffer(_GL_FRAMEBUFFER, null);
}
public static void begin(int width, int height) {
if(currentWidth != width || currentHeight != height) {
currentWidth = width;
currentHeight = height;
GlStateManager.bindTexture(framebufferColor);
_wglTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, (ByteBuffer)null);
_wglBindRenderbuffer(_GL_RENDERBUFFER, framebufferDepth);
_wglRenderbufferStorage(_GL_RENDERBUFFER, _GL_DEPTH_COMPONENT32F, width, height);
}
_wglBindFramebuffer(_GL_FRAMEBUFFER, framebuffer);
GlStateManager.clearColor(0.0f, 0.0f, 0.0f, 1.0f);
GlStateManager.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
public static void end() {
_wglBindFramebuffer(_GL_FRAMEBUFFER, null);
EaglercraftGPU.bindGLBufferArray(SpriteLevelMixer.vertexArray);
EaglercraftGPU.bindGLShaderProgram(shaderProgram);
GlStateManager.bindTexture(framebufferColor);
_wglUniform2f(u_screenSize2f, 1.0f / currentWidth, 1.0f / currentHeight);
_wglDrawArrays(GL_TRIANGLES, 0, 6);
}
}

19
sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/SpriteLevelMixer.java
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@ -35,8 +35,10 @@ public class SpriteLevelMixer {
public static final String vertexShaderPath = "/assets/eagler/glsl/local.vsh";
public static final String fragmentShaderPath = "/assets/eagler/glsl/texture_mix.fsh";
public static IShaderGL vshLocal = null;
private static IBufferGL vertexBuffer = null;
private static IBufferArrayGL vertexArray = null;
public static IBufferArrayGL vertexArray = null;
private static IProgramGL shaderProgram = null;
private static IUniformGL u_textureLod1f = null;
@ -75,15 +77,15 @@ public class SpriteLevelMixer {
throw new RuntimeException("SpriteLevelMixer shader \"" + fragmentShaderPath + "\" is missing!");
}
IShaderGL vert = _wglCreateShader(GL_VERTEX_SHADER);
vshLocal = _wglCreateShader(GL_VERTEX_SHADER);
IShaderGL frag = _wglCreateShader(GL_FRAGMENT_SHADER);
_wglShaderSource(vert, FixedFunctionConstants.VERSION + "\n" + vertexSource);
_wglCompileShader(vert);
_wglShaderSource(vshLocal, FixedFunctionConstants.VERSION + "\n" + vertexSource);
_wglCompileShader(vshLocal);
if(_wglGetShaderi(vert, GL_COMPILE_STATUS) != GL_TRUE) {
if(_wglGetShaderi(vshLocal, GL_COMPILE_STATUS) != GL_TRUE) {
LOGGER.error("Failed to compile GL_VERTEX_SHADER \"" + vertexShaderPath + "\" for SpriteLevelMixer!");
String log = _wglGetShaderInfoLog(vert);
String log = _wglGetShaderInfoLog(vshLocal);
if(log != null) {
String[] lines = log.split("(\\r\\n|\\r|\\n)");
for(int i = 0; i < lines.length; ++i) {
@ -110,17 +112,16 @@ public class SpriteLevelMixer {
shaderProgram = _wglCreateProgram();
_wglAttachShader(shaderProgram, vert);
_wglAttachShader(shaderProgram, vshLocal);
_wglAttachShader(shaderProgram, frag);
_wglBindAttribLocation(shaderProgram, 0, "a_position2f");
_wglLinkProgram(shaderProgram);
_wglDetachShader(shaderProgram, vert);
_wglDetachShader(shaderProgram, vshLocal);
_wglDetachShader(shaderProgram, frag);
_wglDeleteShader(vert);
_wglDeleteShader(frag);
if(_wglGetProgrami(shaderProgram, GL_LINK_STATUS) != GL_TRUE) {