128 lines
4.1 KiB
Java
128 lines
4.1 KiB
Java
package com.mojang.blaze3d.pipeline;
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import com.google.common.collect.ImmutableList;
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import com.mojang.blaze3d.GpuOutOfMemoryException;
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import com.mojang.blaze3d.systems.RenderSystem;
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import com.mojang.blaze3d.textures.AddressMode;
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import com.mojang.blaze3d.textures.FilterMode;
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import com.mojang.blaze3d.textures.GpuTexture;
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import com.mojang.blaze3d.textures.TextureFormat;
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import java.util.List;
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import java.util.Objects;
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import net.fabricmc.api.EnvType;
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import net.fabricmc.api.Environment;
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import org.jetbrains.annotations.Nullable;
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@Environment(EnvType.CLIENT)
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public class MainTarget extends RenderTarget {
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public static final int DEFAULT_WIDTH = 854;
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public static final int DEFAULT_HEIGHT = 480;
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static final MainTarget.Dimension DEFAULT_DIMENSIONS = new MainTarget.Dimension(854, 480);
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public MainTarget(int width, int height) {
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super("Main", true);
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this.createFrameBuffer(width, height);
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}
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private void createFrameBuffer(int width, int height) {
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MainTarget.Dimension dimension = this.allocateAttachments(width, height);
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if (this.colorTexture != null && this.depthTexture != null) {
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this.colorTexture.setTextureFilter(FilterMode.NEAREST, false);
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this.colorTexture.setAddressMode(AddressMode.CLAMP_TO_EDGE);
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this.colorTexture.setTextureFilter(FilterMode.NEAREST, false);
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this.colorTexture.setAddressMode(AddressMode.CLAMP_TO_EDGE);
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this.viewWidth = dimension.width;
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this.viewHeight = dimension.height;
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this.width = dimension.width;
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this.height = dimension.height;
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} else {
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throw new IllegalStateException("Missing color and/or depth textures");
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}
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}
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private MainTarget.Dimension allocateAttachments(int width, int height) {
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RenderSystem.assertOnRenderThread();
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for (MainTarget.Dimension dimension : MainTarget.Dimension.listWithFallback(width, height)) {
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if (this.colorTexture != null) {
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this.colorTexture.close();
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this.colorTexture = null;
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}
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if (this.depthTexture != null) {
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this.depthTexture.close();
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this.depthTexture = null;
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}
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this.colorTexture = this.allocateColorAttachment(dimension);
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this.depthTexture = this.allocateDepthAttachment(dimension);
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if (this.colorTexture != null && this.depthTexture != null) {
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return dimension;
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}
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}
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throw new RuntimeException(
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"Unrecoverable GL_OUT_OF_MEMORY ("
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+ (this.colorTexture == null ? "missing color" : "have color")
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+ ", "
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+ (this.depthTexture == null ? "missing depth" : "have depth")
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+ ")"
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);
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}
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@Nullable
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private GpuTexture allocateColorAttachment(MainTarget.Dimension dimension) {
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try {
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return RenderSystem.getDevice().createTexture(() -> this.label + " / Color", TextureFormat.RGBA8, dimension.width, dimension.height, 1);
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} catch (GpuOutOfMemoryException var3) {
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return null;
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}
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}
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@Nullable
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private GpuTexture allocateDepthAttachment(MainTarget.Dimension dimension) {
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try {
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return RenderSystem.getDevice().createTexture(() -> this.label + " / Depth", TextureFormat.DEPTH32, dimension.width, dimension.height, 1);
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} catch (GpuOutOfMemoryException var3) {
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return null;
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}
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}
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@Environment(EnvType.CLIENT)
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static class Dimension {
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public final int width;
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public final int height;
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Dimension(int width, int height) {
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this.width = width;
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this.height = height;
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}
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static List<MainTarget.Dimension> listWithFallback(int width, int height) {
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RenderSystem.assertOnRenderThread();
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int i = RenderSystem.getDevice().getMaxTextureSize();
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return width > 0 && width <= i && height > 0 && height <= i
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? ImmutableList.of(new MainTarget.Dimension(width, height), MainTarget.DEFAULT_DIMENSIONS)
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: ImmutableList.of(MainTarget.DEFAULT_DIMENSIONS);
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}
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public boolean equals(Object object) {
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if (this == object) {
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return true;
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} else if (object != null && this.getClass() == object.getClass()) {
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MainTarget.Dimension dimension = (MainTarget.Dimension)object;
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return this.width == dimension.width && this.height == dimension.height;
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} else {
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return false;
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}
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}
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public int hashCode() {
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return Objects.hash(new Object[]{this.width, this.height});
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}
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public String toString() {
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return this.width + "x" + this.height;
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}
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}
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}
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