package com.mojang.blaze3d.resource;

import com.mojang.blaze3d.GpuFormat;
import com.mojang.blaze3d.pipeline.RenderTarget;
import com.mojang.blaze3d.pipeline.TextureTarget;
import com.mojang.blaze3d.systems.RenderSystem;
import org.joml.Vector4fc;

public record RenderTargetDescriptor(int width, int height, boolean useDepth, Vector4fc clearColor, GpuFormat format)
	implements ResourceDescriptor<RenderTarget> {
	public RenderTarget allocate() {
		return new TextureTarget(null, this.width, this.height, this.useDepth, this.format);
	}

	public void prepare(final RenderTarget resource) {
		if (this.useDepth) {
			RenderSystem.getDevice().createCommandEncoder().clearColorAndDepthTextures(resource.getColorTexture(), this.clearColor, resource.getDepthTexture(), 0.0);
		} else {
			RenderSystem.getDevice().createCommandEncoder().clearColorTexture(resource.getColorTexture(), this.clearColor);
		}
	}

	public void free(final RenderTarget resource) {
		resource.destroyBuffers();
	}

	@Override
	public boolean canUsePhysicalResource(final ResourceDescriptor<?> other) {
		return !(other instanceof RenderTargetDescriptor descriptor)
			? false
			: this.width == descriptor.width && this.height == descriptor.height && this.useDepth == descriptor.useDepth && this.format == descriptor.format;
	}
}