37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
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// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
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// SPDX-FileCopyrightText: 2025 Jorrit Rouwe
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// SPDX-License-Identifier: MIT
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#pragma once
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#include <Renderer/MTL/RendererMTL.h>
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#include <Renderer/RenderInstances.h>
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class RenderPrimitive;
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/// Metal implementation of a render instances object
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class RenderInstancesMTL : public RenderInstances
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{
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public:
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/// Constructor
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RenderInstancesMTL(RendererMTL *inRenderer) : mRenderer(inRenderer) { }
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virtual ~RenderInstancesMTL() override { Clear(); }
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/// Erase all instance data
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virtual void Clear() override;
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/// Instance buffer management functions
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virtual void CreateBuffer(int inNumInstances, int inInstanceSize) override;
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virtual void * Lock() override;
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virtual void Unlock() override;
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/// Draw the instances when context has been set by Renderer::BindShader
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virtual void Draw(RenderPrimitive *inPrimitive, int inStartInstance, int inNumInstances) const override;
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private:
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RendererMTL * mRenderer;
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id<MTLBuffer> mBuffer;
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NSUInteger mBufferSize;
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NSUInteger mInstanceSize;
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};
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