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Updated LW PBR FWD pass template in shader graph.

Removed normal renormalization in frag for mobile targets that don't define "SHADER_HINT_NICE_QUALITY" to 1.
/2018.1
Felipe Lira 7 年前
当前提交
e69b9454
共有 4 个文件被更改,包括 14 次插入10 次删除
  1. 16
      ScriptableRenderPipeline/LightweightPipeline/LWRP/Editor/ShaderGraph/lightweightPBRForwardPass.template
  2. 2
      ScriptableRenderPipeline/LightweightPipeline/LWRP/ShaderLibrary/Core.hlsl
  3. 2
      ScriptableRenderPipeline/LightweightPipeline/LWRP/ShaderLibrary/Lighting.hlsl
  4. 4
      ScriptableRenderPipeline/LightweightPipeline/LWRP/ShaderLibrary/LightweightPassLit.hlsl

16
ScriptableRenderPipeline/LightweightPipeline/LWRP/Editor/ShaderGraph/lightweightPBRForwardPass.template


HLSLPROGRAM
// Required to compile gles 2.0 with standard srp library
#pragma prefer_hlslcc gles
#pragma target 3.0
#pragma target 2.0
// -------------------------------------
// Lightweight Pipeline keywords

struct GraphVertexOutput
{
float4 clipPos : SV_POSITION;
float4 lightmapUVOrVertexSH : TEXCOORD0;
DECLARE_LIGHTMAP_OR_SH(lightmapUV, vertexSH, 0);
half4 fogFactorAndVertexLight : TEXCOORD1; // x: fogFactor, yzw: vertex light
float4 shadowCoord : TEXCOORD2;
${Interpolators}

// We either sample GI from lightmap or SH. lightmap UV and vertex SH coefficients
// are packed in lightmapUVOrVertexSH to save interpolator.
// The following funcions initialize
OUTPUT_LIGHTMAP_UV(v.texcoord1, unity_LightmapST, o.lightmapUVOrVertexSH);
OUTPUT_SH(lwWNormal, o.lightmapUVOrVertexSH);
OUTPUT_LIGHTMAP_UV(v.texcoord1, unity_LightmapST, o.lightmapUV);
OUTPUT_SH(lwWNormal, o.vertexSH);
half3 vertexLight = VertexLighting(lwWorldPos, lwWNormal);
half fogFactor = ComputeFogFactor(clipPos.z);

#ifdef _NORMALMAP
inputData.normalWS = TangentToWorldNormal(Normal, WorldSpaceTangent, WorldSpaceBiTangent, WorldSpaceNormal);
#else
#if !SHADER_HINT_NICE_QUALITY
inputData.normalWS = WorldSpaceNormal;
#else
#endif
#ifdef SHADER_API_MOBILE
#if !SHADER_HINT_NICE_QUALITY
// viewDirection should be normalized here, but we avoid doing it as it's close enough and we save some ALU.
inputData.viewDirectionWS = WorldSpaceViewDirection;
#else

inputData.fogCoord = IN.fogFactorAndVertexLight.x;
inputData.vertexLighting = IN.fogFactorAndVertexLight.yzw;
inputData.bakedGI = SampleGI(IN.lightmapUVOrVertexSH, inputData.normalWS);
inputData.bakedGI = SAMPLE_GI(IN.lightmapUV, IN.vertexSH, inputData.normalWS);
half4 color = LightweightFragmentPBR(
inputData,

2
ScriptableRenderPipeline/LightweightPipeline/LWRP/ShaderLibrary/Core.hlsl


half3 TangentToWorldNormal(half3 normalTangent, half3 tangent, half3 binormal, half3 normal)
{
half3x3 tangentToWorld = half3x3(tangent, binormal, normal);
#ifdef SHADER_API_MOBILE
#if !SHADER_HINT_NICE_QUALITY
return mul(normalTangent, tangentToWorld);
#else
return normalize(mul(normalTangent, tangentToWorld));

2
ScriptableRenderPipeline/LightweightPipeline/LWRP/ShaderLibrary/Lighting.hlsl


#if defined(SHADER_API_GLES) || (SHADER_TARGET < 30) || !defined(_NORMALMAP)
// Evaluates SH fully in vertex
#define EVALUATE_SH_VERTEX
#elif defined(SHADER_API_MOBILE) && !defined(NICEST_QUALITY)
#elif !SHADER_HINT_NICE_QUALITY
// Evaluates L2 SH in vertex and L0L1 in pixel
#define EVALUATE_SH_MIXED
#endif

4
ScriptableRenderPipeline/LightweightPipeline/LWRP/ShaderLibrary/LightweightPassLit.hlsl


inputData.normalWS = TangentToWorldNormal(normalTS, IN.tangent.xyz, IN.binormal.xyz, IN.normal.xyz);
#else
half3 viewDir = IN.viewDir;
#ifdef SHADER_API_MOBILE
#if !SHADER_HINT_NICE_QUALITY
inputData.normalWS = IN.normal;
#else
inputData.normalWS = normalize(IN.normal);

#ifdef SHADER_API_MOBILE
#if !SHADER_HINT_NICE_QUALITY
// viewDirection should be normalized here, but we avoid doing it as it's close enough and we save some ALU.
inputData.viewDirectionWS = viewDir;
#else

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