您最多选择25个主题
主题必须以中文或者字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
31 行
1.4 KiB
31 行
1.4 KiB
//-------------------------------------------------------------------------------------
|
|
// Fill SurfaceData/Builtin data function
|
|
//-------------------------------------------------------------------------------------
|
|
#include "CoreRP/ShaderLibrary/Packing.hlsl"
|
|
#include "CoreRP/ShaderLibrary/Sampling/SampleUVMapping.hlsl"
|
|
|
|
void GetSurfaceData(float2 texCoordDS, float4x4 normalToWorld, out DecalSurfaceData surfaceData)
|
|
{
|
|
surfaceData.baseColor = float4(0,0,0,0);
|
|
surfaceData.normalWS = float4(0,0,0,0);
|
|
surfaceData.mask = float4(0,0,0,0);
|
|
surfaceData.HTileMask = 0;
|
|
float totalBlend = clamp(normalToWorld[0][3], 0.0f, 1.0f);
|
|
#if _COLORMAP
|
|
surfaceData.baseColor = SAMPLE_TEXTURE2D(_BaseColorMap, sampler_BaseColorMap, texCoordDS.xy);
|
|
surfaceData.baseColor.w *= totalBlend;
|
|
totalBlend = surfaceData.baseColor.w; // base alpha affects all other channels;
|
|
surfaceData.HTileMask |= DBUFFERHTILEBIT_DIFFUSE;
|
|
#endif
|
|
#if _NORMALMAP
|
|
surfaceData.normalWS.xyz = mul((float3x3)normalToWorld, UnpackNormalmapRGorAG(SAMPLE_TEXTURE2D(_NormalMap, sampler_NormalMap, texCoordDS))) * 0.5f + 0.5f;
|
|
surfaceData.normalWS.w = totalBlend;
|
|
surfaceData.HTileMask |= DBUFFERHTILEBIT_NORMAL;
|
|
#endif
|
|
#if _MASKMAP
|
|
surfaceData.mask = SAMPLE_TEXTURE2D(_MaskMap, sampler_MaskMap, texCoordDS.xy);
|
|
surfaceData.mask.z = surfaceData.mask.w;
|
|
surfaceData.mask.w = totalBlend;
|
|
surfaceData.HTileMask |= DBUFFERHTILEBIT_MASK;
|
|
#endif
|
|
}
|