90 lines
2.8 KiB
Java
90 lines
2.8 KiB
Java
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package com.mojang.blaze3d.shaders;
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import com.google.common.collect.Maps;
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import java.util.Map;
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import org.apache.commons.lang3.StringUtils;
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import java.io.IOException;
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import com.mojang.blaze3d.platform.TextureUtil;
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import java.io.InputStream;
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import com.mojang.blaze3d.platform.GLX;
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public class Program {
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private final Type type;
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private final String name;
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private final int id;
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private int references;
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private Program(final Type a, final int integer, final String string) {
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this.type = a;
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this.id = integer;
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this.name = string;
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}
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public void attachToEffect(final Effect cus) {
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++this.references;
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GLX.glAttachShader(cus.getId(), this.id);
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}
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public void close() {
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--this.references;
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if (this.references <= 0) {
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GLX.glDeleteShader(this.id);
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this.type.getPrograms().remove(this.name);
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}
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}
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public String getName() {
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return this.name;
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}
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public static Program compileShader(final Type a, final String string, final InputStream inputStream) throws IOException {
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final String string2 = TextureUtil.readResourceAsString(inputStream);
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if (string2 == null) {
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throw new IOException("Could not load program " + a.getName());
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}
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final int integer5 = GLX.glCreateShader(a.getGlType());
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GLX.glShaderSource(integer5, string2);
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GLX.glCompileShader(integer5);
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if (GLX.glGetShaderi(integer5, GLX.GL_COMPILE_STATUS) == 0) {
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final String string3 = StringUtils.trim(GLX.glGetShaderInfoLog(integer5, 32768));
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throw new IOException("Couldn't compile " + a.getName() + " program: " + string3);
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}
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final Program cut6 = new Program(a, integer5, string);
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a.getPrograms().put(string, cut6);
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return cut6;
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}
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public enum Type {
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VERTEX("vertex", ".vsh", GLX.GL_VERTEX_SHADER),
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FRAGMENT("fragment", ".fsh", GLX.GL_FRAGMENT_SHADER);
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private final String name;
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private final String extension;
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private final int glType;
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private final Map<String, Program> programs;
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private Type(final String string3, final String string4, final int integer5) {
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this.programs = Maps.newHashMap();
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this.name = string3;
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this.extension = string4;
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this.glType = integer5;
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}
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public String getName() {
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return this.name;
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}
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public String getExtension() {
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return this.extension;
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}
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private int getGlType() {
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return this.glType;
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}
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public Map<String, Program> getPrograms() {
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return this.programs;
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}
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}
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}
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