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Shortcircuit image loading to use an existing NativeImage if one is available

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Sollace 2023-08-19 22:14:36 +01:00
parent 0096dec423
commit db75aa1600
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GPG key ID: E52FACE7B5C773DB
1 changed files with 58 additions and 36 deletions
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60
src/main/java/com/minelittlepony/client/util/render/NativeUtil.java
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@ -1,17 +1,19 @@
package com.minelittlepony.client.util.render;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.texture.NativeImage;
import net.minecraft.client.texture.TextureManager;
import net.minecraft.client.texture.*;
import net.minecraft.resource.Resource;
import net.minecraft.util.Identifier;
import com.mojang.blaze3d.systems.RenderSystem;
import java.util.HashMap;
import java.util.Map;
import java.io.InputStream;
import java.util.*;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.stream.Collectors;
import static com.mojang.blaze3d.platform.GlStateManager._getTexLevelParameter;
import static org.lwjgl.opengl.GL11.*;
@ -64,7 +66,7 @@ public class NativeUtil {
private final NativeImage.Format formatClass;
private final int glId;
public static Map<Integer, InternalFormat> LOOKUP = new HashMap<>();
public static final Map<Integer, InternalFormat> LOOKUP = Arrays.stream(values()).collect(Collectors.toMap(i -> i.glId, Function.identity()));
private InternalFormat(NativeImage.Format formatClass) {
this(formatClass.toGl(), formatClass);
@ -80,16 +82,7 @@ public class NativeUtil {
}
public static InternalFormat valueOf(int glId) {
if (!LOOKUP.containsKey(glId)) {
throw new IllegalStateException("Unsupported image format: " + glId);
}
return LOOKUP.get(glId);
}
static {
for (InternalFormat f : values()) {
LOOKUP.put(f.glId, f);
}
return Objects.requireNonNull(LOOKUP.get(glId), "Unsupported image format: " + glId);
}
}
@ -107,6 +100,34 @@ public class NativeUtil {
MinecraftClient mc = MinecraftClient.getInstance();
TextureManager textures = mc.getTextureManager();
AbstractTexture loadedTexture = textures.getTexture(resource);
if (loadedTexture instanceof NativeImageBackedTexture nibt) {
NativeImage image = nibt.getImage();
if (image != null) {
consumer.accept(image);
return;
}
}
Resource res = mc.getResourceManager().getResource(resource).orElse(null);
if (res != null) {
try (InputStream inputStream = res.getInputStream()){
consumer.accept(NativeImage.read(inputStream));
return;
}
}
__reconstructNativeImage(resource, consumer, fail, attempt);
} catch (Exception e) {
fail.accept(e);
}
}
private static void __reconstructNativeImage(Identifier resource, Consumer<NativeImage> consumer, Consumer<Exception> fail, int attempt) {
MinecraftClient mc = MinecraftClient.getInstance();
TextureManager textures = mc.getTextureManager();
// recreate NativeImage from the GL matrix
textures.bindTexture(resource);
@ -120,7 +141,11 @@ public class NativeUtil {
if (width * height == 0) {
if (attempt < 3) {
CompletableFuture.delayedExecutor(500, TimeUnit.MILLISECONDS, mc).execute(() -> {
parseImage(resource, consumer, fail, attempt + 1);
try {
__reconstructNativeImage(resource, consumer, fail, attempt + 1);
} catch (Exception e) {
fail.accept(e);
}
});
} else {
throw new IllegalStateException("GL texture not uploaded yet: " + resource + " Parse failed 3/3 attempts");
@ -133,8 +158,5 @@ public class NativeUtil {
image.loadFromTextureImage(0, false);
consumer.accept(image);
}
} catch (Exception e) {
fail.accept(e);
}
}
}