77 lines
2.6 KiB
HLSL
77 lines
2.6 KiB
HLSL
|
|
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Unlit.hlsl"
|
|
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/UnityGBuffer.hlsl"
|
|
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderVariablesFunctions.hlsl"
|
|
|
|
void InitializeInputData(Varyings input, out InputData inputData)
|
|
{
|
|
inputData = (InputData)0;
|
|
|
|
// InputData is only used for DebugDisplay purposes in Unlit, so these are not initialized.
|
|
#if defined(DEBUG_DISPLAY)
|
|
inputData.positionWS = input.positionWS;
|
|
inputData.positionCS = input.positionCS;
|
|
inputData.normalWS = NormalizeNormalPerPixel(input.normalWS);
|
|
#else
|
|
inputData.positionWS = half3(0, 0, 0);
|
|
inputData.normalWS = NormalizeNormalPerPixel(input.normalWS);
|
|
inputData.viewDirectionWS = half3(0, 0, 1);
|
|
#endif
|
|
inputData.shadowCoord = 0;
|
|
inputData.fogCoord = 0;
|
|
inputData.vertexLighting = half3(0, 0, 0);
|
|
inputData.bakedGI = half3(0, 0, 0);
|
|
inputData.normalizedScreenSpaceUV = 0;
|
|
inputData.shadowMask = half4(1, 1, 1, 1);
|
|
}
|
|
|
|
PackedVaryings vert(Attributes input)
|
|
{
|
|
Varyings output = (Varyings)0;
|
|
output = BuildVaryings(input);
|
|
PackedVaryings packedOutput = PackVaryings(output);
|
|
return packedOutput;
|
|
}
|
|
|
|
FragmentOutput frag(PackedVaryings packedInput)
|
|
{
|
|
Varyings unpacked = UnpackVaryings(packedInput);
|
|
UNITY_SETUP_INSTANCE_ID(unpacked);
|
|
UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(unpacked);
|
|
SurfaceDescription surfaceDescription = BuildSurfaceDescription(unpacked);
|
|
|
|
SurfaceData surfaceData = (SurfaceData)0;
|
|
surfaceData.alpha = 1;
|
|
|
|
#if defined(_ALPHATEST_ON)
|
|
surfaceData.alpha = AlphaDiscard(surfaceDescription.Alpha, surfaceDescription.AlphaClipThreshold);
|
|
#endif
|
|
|
|
#if defined(LOD_FADE_CROSSFADE) && USE_UNITY_CROSSFADE
|
|
LODFadeCrossFade(unpacked.positionCS);
|
|
#endif
|
|
|
|
#if defined(_ALPHAMODULATE_ON)
|
|
surfaceData.albedo = AlphaModulate(surfaceDescription.BaseColor, surfaceData.alpha);
|
|
#else
|
|
surfaceData.albedo = surfaceDescription.BaseColor;
|
|
#endif
|
|
|
|
#if defined(_DBUFFER)
|
|
ApplyDecalToBaseColor(unpacked.positionCS, surfaceData.albedo);
|
|
#endif
|
|
|
|
InputData inputData;
|
|
InitializeInputData(unpacked, inputData);
|
|
|
|
#if defined(_SCREEN_SPACE_OCCLUSION) && !defined(_SURFACE_TYPE_TRANSPARENT)
|
|
float2 normalizedScreenSpaceUV = GetNormalizedScreenSpaceUV(unpacked.positionCS);
|
|
AmbientOcclusionFactor aoFactor = GetScreenSpaceAmbientOcclusion(normalizedScreenSpaceUV);
|
|
surfaceData.albedo.rgb *= aoFactor.directAmbientOcclusion;
|
|
#else
|
|
surfaceData.occlusion = 1;
|
|
#endif
|
|
|
|
return SurfaceDataToGbuffer(surfaceData, inputData, float3(0,0,0), kLightingInvalid);
|
|
}
|