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
 
 
 
 

69 行
2.3 KiB

#ifndef LIGHTWEIGHT_INPUT_INCLUDED
#define LIGHTWEIGHT_INPUT_INCLUDED
#define MAX_VISIBLE_LIGHTS 16
struct LightInput
{
float4 pos;
half4 color;
half4 distanceAttenuation;
half4 spotDirection;
half4 spotAttenuation;
};
// Main light initialized without indexing
#define INITIALIZE_MAIN_LIGHT(light) \
light.pos = _MainLightPosition; \
light.color = _MainLightColor; \
light.distanceAttenuation = _MainLightDistanceAttenuation; \
light.spotDirection = _MainLightSpotDir; \
light.spotAttenuation = _MainLightSpotAttenuation
// Indexing might have a performance hit for old mobile hardware
#define INITIALIZE_LIGHT(light, i) \
half4 indices = (i < 4) ? unity_4LightIndices0 : unity_4LightIndices1; \
int index = (i < 4) ? i : i - 4; \
int lightIndex = indices[index]; \
light.pos = _AdditionalLightPosition[lightIndex]; \
light.color = _AdditionalLightColor[lightIndex]; \
light.distanceAttenuation = _AdditionalLightDistanceAttenuation[lightIndex]; \
light.spotDirection = _AdditionalLightSpotDir[lightIndex]; \
light.spotAttenuation = _AdditionalLightSpotAttenuation[lightIndex]
///////////////////////////////////////////////////////////////////////////////
// Constant Buffers //
///////////////////////////////////////////////////////////////////////////////
CBUFFER_START(_PerFrame)
half4 _GlossyEnvironmentColor;
half4 _SubtractiveShadowColor;
CBUFFER_END
CBUFFER_START(_PerCamera)
float4 _MainLightPosition;
half4 _MainLightColor;
half4 _MainLightDistanceAttenuation;
half4 _MainLightSpotDir;
half4 _MainLightSpotAttenuation;
float4x4 _WorldToLight;
half4 _AdditionalLightCount;
float4 _AdditionalLightPosition[MAX_VISIBLE_LIGHTS];
half4 _AdditionalLightColor[MAX_VISIBLE_LIGHTS];
half4 _AdditionalLightDistanceAttenuation[MAX_VISIBLE_LIGHTS];
half4 _AdditionalLightSpotDir[MAX_VISIBLE_LIGHTS];
half4 _AdditionalLightSpotAttenuation[MAX_VISIBLE_LIGHTS];
CBUFFER_END
sampler2D _MainLightCookie;
// These are set internally by the engine upon request by RendererConfiguration.
// Check GetRendererSettings in LightweightPipeline.cs
CBUFFER_START(_PerObject)
half4 unity_LightIndicesOffsetAndCount;
half4 unity_4LightIndices0;
half4 unity_4LightIndices1;
CBUFFER_END
#endif