package com.mojang.blaze3d.systems;

import com.mojang.blaze3d.IndexType;
import com.mojang.blaze3d.buffers.GpuBuffer;
import com.mojang.blaze3d.buffers.GpuBufferSlice;
import com.mojang.blaze3d.pipeline.RenderPipeline;
import com.mojang.blaze3d.textures.GpuSampler;
import com.mojang.blaze3d.textures.GpuTextureView;
import java.util.Collection;
import java.util.function.Supplier;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import org.jspecify.annotations.Nullable;

@Environment(EnvType.CLIENT)
public interface RenderPassBackend {
	void pushDebugGroup(final Supplier<String> label);

	void popDebugGroup();

	void setPipeline(final RenderPipeline pipeline);

	void bindTexture(final String name, @Nullable final GpuTextureView textureView, @Nullable final GpuSampler sampler);

	void setUniform(final String name, final GpuBuffer value);

	void setUniform(final String name, final GpuBufferSlice value);

	void enableScissor(final int x, final int y, final int width, final int height);

	void disableScissor();

	void setVertexBuffer(final int slot, @Nullable final GpuBufferSlice vertexBuffer);

	void setIndexBuffer(final GpuBuffer indexBuffer, final IndexType indexType);

	void drawIndexed(final int baseVertex, final int firstIndex, final int indexCount, final int instanceCount);

	<T> void drawMultipleIndexed(
		final Collection<RenderPass.Draw<T>> draws,
		@Nullable final GpuBuffer defaultIndexBuffer,
		@Nullable final IndexType defaultIndexType,
		final Collection<String> dynamicUniforms,
		final T uniformArgument
	);

	void draw(final int firstVertex, final int vertexCount);

	void writeTimestamp(GpuQueryPool pool, int index);
}