在unity中高性能的绘制相同网格和材质的物体-SRP Bather

参考链接-/https://catlikecoding.com/unity/tutorials/
1、SRP Batcher
shader代码：

#ifndef CUSTOM_UNLIT_PASS_INCLUDED
#define CUSTOM_UNLIT_PASS_INCLUDED
	#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
	#include "UnityInput.hlsl"
	#define UNITY_MATRIX_M unity_ObjectToWorld
	#define UNITY_MATRIX_I_M unity_WorldToObject
	#define UNITY_MATRIX_V unity_MatrixV
	#define UNITY_MATRIX_VP unity_MatrixVP
	#define UNITY_MATRIX_P glstate_matrix_projection
	#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/SpaceTransforms.hlsl"
	
	CBUFFER_START(UnityPerMaterial)
	float4 _BaseColor;
	CBUFFER_END

	float4 UnlitPassVertex (float3 positionOS : POSITION):SV_POSITION  
	{
		return TransformObjectToHClip(positionOS);
	}
	float4 UnlitPassFragment(): SV_TARGET 
	{
		return _BaseColor;
	}
#endif

主要关注下：

	#include "Packages/com.unity.render-pipe