浏览代码
allow arfoundation-samples to support LWRP, with a little help from ARFoundation. we could take the changes in the LWRPSupport folder and make them into a separate package (they already have their own assembly). The main idea is when you upgrade to LWRP (by setting up a LWRP settings asset in the graphics settings), you will at the same time, create a LWRPBackgroundRendererAsset, add the two materials in the folder to it, and set it as Custom Renderer Asset on your CameraBackground component on ARCamera.
/1.5-preview
allow arfoundation-samples to support LWRP, with a little help from ARFoundation. we could take the changes in the LWRPSupport folder and make them into a separate package (they already have their own assembly). The main idea is when you upgrade to LWRP (by setting up a LWRP settings asset in the graphics settings), you will at the same time, create a LWRPBackgroundRendererAsset, add the two materials in the folder to it, and set it as Custom Renderer Asset on your CameraBackground component on ARCamera.
/1.5-preview
Jimmy Alamparambil
6 年前
当前提交
2c980b8d
共有 24 个文件被更改，包括 718 次插入 和 56 次删除
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128Assets/Scenes/SampleScene.unity
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7ProjectSettings/GraphicsSettings.asset
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8Assets/LWRPSupport.meta
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29Assets/Prefabs/LightweightRP.asset
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8Assets/Prefabs/LightweightRP.asset.meta
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56Assets/LWRPSupport/ARCoreBackgroundLWRP.shader
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9Assets/LWRPSupport/ARCoreBackgroundLWRP.shader.meta
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87Assets/LWRPSupport/ARCoreBackgroundLWRPMaterial.mat
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8Assets/LWRPSupport/ARCoreBackgroundLWRPMaterial.mat.meta
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95Assets/LWRPSupport/ARKitLWRPMaterial.mat
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8Assets/LWRPSupport/ARKitLWRPMaterial.mat.meta
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77Assets/LWRPSupport/ARKitLWRPShader.shader
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9Assets/LWRPSupport/ARKitLWRPShader.shader.meta
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56Assets/LWRPSupport/LWRPBackgroundRenderer.cs
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11Assets/LWRPSupport/LWRPBackgroundRenderer.cs.meta
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17Assets/LWRPSupport/LWRPBackroundRendererAsset.asset
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8Assets/LWRPSupport/LWRPBackroundRendererAsset.asset.meta
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73Assets/LWRPSupport/LWRPBackroundRendererAsset.cs
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11Assets/LWRPSupport/LWRPBackroundRendererAsset.cs.meta
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35Assets/LWRPSupport/LWRPBeforeCameraRender.cs
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11Assets/LWRPSupport/LWRPBeforeCameraRender.cs.meta
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16Assets/LWRPSupport/Unity.XR.ARFoundation.LWRPSupport.asmdef
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7Assets/LWRPSupport/Unity.XR.ARFoundation.LWRPSupport.asmdef.meta
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Shader "Unlit/ARCoreBackgroundLWRP" |
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{ |
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Properties |
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{ |
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_MainTex("Texture", 2D) = "white" {} |
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} |
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// For GLES3 |
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SubShader |
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{ |
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Pass |
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ZWrite Off |
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GLSLPROGRAM |
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#pragma only_renderers gles3 |
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#ifdef SHADER_API_GLES3 |
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#extension GL_OES_EGL_image_external_essl3 : require |
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#endif |
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uniform mat4 _UnityDisplayTransform; |
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#ifdef VERTEX |
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varying vec2 textureCoord; |
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void main() |
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{ |
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#ifdef SHADER_API_GLES3 |
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float flippedV = 1.0 - gl_MultiTexCoord0.y; |
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textureCoord.x = _UnityDisplayTransform[0].x * gl_MultiTexCoord0.x + _UnityDisplayTransform[1].x * flippedV + _UnityDisplayTransform[2].x; |
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textureCoord.y = _UnityDisplayTransform[0].y * gl_MultiTexCoord0.x + _UnityDisplayTransform[1].y * flippedV + _UnityDisplayTransform[2].y; |
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gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex; |
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#endif |
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} |
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#endif |
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#ifdef FRAGMENT |
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varying vec2 textureCoord; |
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uniform samplerExternalOES _MainTex; |
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void main() |
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{ |
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#ifdef SHADER_API_GLES3 |
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gl_FragColor = texture(_MainTex, textureCoord); |
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#endif |
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} |
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#endif |
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ENDGLSL |
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} |
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} |
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|
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Shader "Unlit/ARKitLWRP" |
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{ |
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Properties |
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{ |
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_textureY ("TextureY", 2D) = "white" {} |
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_textureCbCr ("TextureCbCr", 2D) = "black" {} |
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} |
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|
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SubShader |
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{ |
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Tags { "RenderType" = "Opaque" "RenderPipeline" = "LightweightPipeline"} |
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LOD 100 |
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|
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Pass |
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{ |
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Name "Default" |
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Tags { "LightMode" = "LightweightForward"} |
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|
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ZTest Always ZWrite Off |
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|
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HLSLPROGRAM |
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// Required to compile gles 2.0 with standard srp library |
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#pragma prefer_hlslcc gles |
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#pragma exclude_renderers d3d11_9x |
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#pragma vertex Vertex |
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#pragma fragment Fragment |
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|
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#include "LWRP/ShaderLibrary/Core.hlsl" |
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|
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float4x4 _UnityDisplayTransform; |
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|
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struct VertexInput |
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{ |
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float4 vertex : POSITION; |
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float2 uv : TEXCOORD0; |
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}; |
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|
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struct VertexOutput |
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{ |
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half4 pos : SV_POSITION; |
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half2 uv : TEXCOORD0; |
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}; |
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|
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TEXTURE2D(_textureY); |
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SAMPLER(sampler_textureY); |
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TEXTURE2D(_textureCbCr); |
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SAMPLER(sampler_textureCbCr); |
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|
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VertexOutput Vertex(VertexInput i) |
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{ |
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VertexOutput o; |
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o.pos = TransformObjectToHClip(i.vertex.xyz); |
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o.uv.x = (_UnityDisplayTransform[0].x * i.uv.x + _UnityDisplayTransform[1].x * (i.uv.y) + _UnityDisplayTransform[2].x); |
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o.uv.y = (_UnityDisplayTransform[0].y * i.uv.x + _UnityDisplayTransform[1].y * (i.uv.y) + _UnityDisplayTransform[2].y); |
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return o; |
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} |
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|
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half4 Fragment(VertexOutput i) : SV_Target |
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{ |
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half y = SAMPLE_TEXTURE2D(_textureY, sampler_textureY, i.uv).r; |
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half4 ycbcr = half4(y, SAMPLE_TEXTURE2D(_textureCbCr, sampler_textureCbCr, i.uv).rg, 1.0); |
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|
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const half4x4 ycbcrToRGBTransform = half4x4( |
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half4(1.0, +0.0000, +1.4020, -0.7010), |
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half4(1.0, -0.3441, -0.7141, +0.5291), |
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half4(1.0, +1.7720, +0.0000, -0.8860), |
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half4(0.0, +0.0000, +0.0000, +1.0000) |
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); |
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|
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return mul(ycbcrToRGBTransform, ycbcr); |
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} |
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ENDHLSL |
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} |
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} |
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|
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namespace UnityEngine.XR.ARFoundation.LWRPSupport |
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{ |
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|
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public class LWRPBackgroundRenderer : ARFoundationBackgroundRenderer |
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{ |
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CameraClearFlags _savedClearFlags; |
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LWRPBeforeCameraRender _lwrpBeforeCameraRender; |
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|
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protected override bool EnableARBackgroundRendering() |
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{ |
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if (m_BackgroundMaterial == null) |
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return false; |
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|
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camera = m_Camera ? m_Camera : Camera.main; |
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|
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if (camera == null) |
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return false; |
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|
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// Clear flags
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_savedClearFlags = camera.clearFlags; |
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camera.clearFlags = CameraClearFlags.Depth; |
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|
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if (_lwrpBeforeCameraRender == null) |
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{ |
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_lwrpBeforeCameraRender = camera.gameObject.GetComponent<LWRPBeforeCameraRender>(); |
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} |
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|
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_lwrpBeforeCameraRender.SetupBlitMaterial(m_BackgroundMaterial); |
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|
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return true; |
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|
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} |
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|
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|
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protected override void DisableARBackgroundRendering() |
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{ |
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if (m_BackgroundMaterial == null) |
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return; |
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|
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camera = m_Camera ? m_Camera : Camera.main; |
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if (camera == null) |
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return; |
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camera.clearFlags = _savedClearFlags; |
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|
|||
if (_lwrpBeforeCameraRender != null) |
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{ |
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_lwrpBeforeCameraRender.SetupBlitMaterial(null); |
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_lwrpBeforeCameraRender = null; |
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} |
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|
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} |
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|
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} |
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m_Name: LWRPBackroundRendererAsset |
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fileFormatVersion: 2 |
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guid: 2310b94e2d8f5463ab592fa99eefbe6f |
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NativeFormatImporter: |
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externalObjects: {} |
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mainObjectFileID: 11400000 |
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userData: |
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assetBundleName: |
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assetBundleVariant: |
|||
|
|||
|
|||
using System; |
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using UnityEngine.Experimental.Rendering.LightweightPipeline; |
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using UnityEngine.Rendering; |
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|
|||
namespace UnityEngine.XR.ARFoundation.LWRPSupport |
|||
{ |
|||
[CreateAssetMenu(fileName = "LWRPBackroundRendererAsset", menuName = "XR/LWRPBackroundRendererAsset")] |
|||
public class LWRPBackroundRendererAsset : ARBackgroundRendererAsset |
|||
{ |
|||
/// <summary>
|
|||
/// we're going to reference all materials that we want to use so that they get built into the project
|
|||
/// </summary>
|
|||
public Material[] MaterialsUsed; |
|||
|
|||
public override ARFoundationBackgroundRenderer CreateARBackgroundRenderer() |
|||
{ |
|||
var bUseRenderPipeline = GraphicsSettings.renderPipelineAsset != null; |
|||
return bUseRenderPipeline ? new LWRPBackgroundRenderer() : new ARFoundationBackgroundRenderer(); |
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} |
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|
|||
public override void CreateHelperComponents(GameObject cameraGameObject) |
|||
{ |
|||
var bUseRenderPipeline = GraphicsSettings.renderPipelineAsset != null; |
|||
|
|||
if (bUseRenderPipeline) |
|||
{ |
|||
var lbcr = cameraGameObject.GetComponent<LWRPBeforeCameraRender>(); |
|||
if (lbcr == null) |
|||
{ |
|||
cameraGameObject.AddComponent<LWRPBeforeCameraRender>(); |
|||
} |
|||
|
|||
var lacd = cameraGameObject.GetComponent<LightweightAdditionalCameraData>(); |
|||
if (lacd == null) |
|||
{ |
|||
lacd = cameraGameObject.AddComponent<LightweightAdditionalCameraData>(); |
|||
} |
|||
|
|||
lacd.renderShadows = false; |
|||
lacd.requiresColorTexture = false; |
|||
lacd.requiresDepthTexture = false; |
|||
|
|||
} |
|||
} |
|||
|
|||
public override Material CreateCustomMaterial() |
|||
{ |
|||
var cameraSubsystem = ARSubsystemManager.cameraSubsystem; |
|||
if (cameraSubsystem == null) |
|||
return null; |
|||
|
|||
// Try to create a material from the plugin's provided shader.
|
|||
string shaderName = ""; |
|||
if (!cameraSubsystem.TryGetShaderName(ref shaderName)) |
|||
return null; |
|||
|
|||
shaderName = shaderName + "LWRP"; |
|||
|
|||
var shader = Shader.Find(shaderName); |
|||
if (shader == null) |
|||
{ |
|||
throw new InvalidOperationException(string.Format( |
|||
"Could not find shader named \"{0}\" required for LWRP video overlay on camera subsystem named \"{1}\".", |
|||
shaderName, |
|||
cameraSubsystem.SubsystemDescriptor.id)); |
|||
} |
|||
|
|||
return new Material(shader); |
|||
} |
|||
} |
|||
|
|||
} |
|||
|
|||
fileFormatVersion: 2 |
|||
guid: 3974c4b6d5b67422c935da45b02d23f2 |
|||
MonoImporter: |
|||
externalObjects: {} |
|||
serializedVersion: 2 |
|||
defaultReferences: [] |
|||
executionOrder: 0 |
|||
icon: {instanceID: 0} |
|||
userData: |
|||
assetBundleName: |
|||
assetBundleVariant: |
|||
|
|||
|
|||
|
|||
using UnityEngine.Experimental.Rendering; |
|||
using UnityEngine.Rendering; |
|||
using UnityEngine.Experimental.Rendering.LightweightPipeline; |
|||
|
|||
namespace UnityEngine.XR.ARFoundation |
|||
{ |
|||
|
|||
public class LWRPBeforeCameraRender : MonoBehaviour, LightweightPipeline.IBeforeCameraRender |
|||
{ |
|||
const string k_ARBlitTag = "ARBackground Blit Pass"; |
|||
|
|||
Material BlitMaterial { get; set; } |
|||
|
|||
public void SetupBlitMaterial(Material material) |
|||
{ |
|||
this.BlitMaterial = material; |
|||
} |
|||
|
|||
public void ExecuteBeforeCameraRender(ScriptableRenderContext context, Camera camera, LightweightPipeline.PipelineSettings pipelineSettings, |
|||
ScriptableRenderer renderer) |
|||
{ |
|||
if (BlitMaterial == null) return; |
|||
|
|||
CommandBuffer cmd = CommandBufferPool.Get(k_ARBlitTag); |
|||
|
|||
cmd.Blit(null, BuiltinRenderTextureType.CameraTarget, BlitMaterial); |
|||
|
|||
context.ExecuteCommandBuffer(cmd); |
|||
CommandBufferPool.Release(cmd); |
|||
|
|||
} |
|||
} |
|||
} |
|||
|
|||
fileFormatVersion: 2 |
|||
guid: f99128193f4d0421f95800f6ccd0c2c3 |
|||
MonoImporter: |
|||
externalObjects: {} |
|||
serializedVersion: 2 |
|||
defaultReferences: [] |
|||
executionOrder: 0 |
|||
icon: {instanceID: 0} |
|||
userData: |
|||
assetBundleName: |
|||
assetBundleVariant: |
|||
|
|||
{ |
|||
"name": "Unity.XR.ARFoundation.LWRPSupport", |
|||
"references": [ |
|||
"Unity.XR.ARFoundation", |
|||
"Unity.RenderPipelines.Lightweight.Runtime", |
|||
"Unity.RenderPipelines.Core.Runtime" |
|||
], |
|||
"optionalUnityReferences": [], |
|||
"includePlatforms": [], |
|||
"excludePlatforms": [], |
|||
"allowUnsafeCode": false, |
|||
"overrideReferences": false, |
|||
"precompiledReferences": [], |
|||
"autoReferenced": true, |
|||
"defineConstraints": [] |
|||
} |
|||
|
|||
fileFormatVersion: 2 |
|||
guid: 2a16b207c1243468a9f3d32431fa21b2 |
|||
AssemblyDefinitionImporter: |
|||
externalObjects: {} |
|||
userData: |
|||
assetBundleName: |
|||
assetBundleVariant: |
|||
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