205 lines
8.5 KiB
HLSL
205 lines
8.5 KiB
HLSL
|
// Must match: LightBatch.isBatchingSupported
|
||
|
|
#define USE_STRUCTURED_BUFFER_FOR_LIGHT2D_DATA 0
|
||
|
|
|
||
|
|
#if USE_NORMAL_MAP
|
||
|
|
#if LIGHT_QUALITY_FAST
|
||
|
|
#define NORMALS_LIGHTING_COORDS(TEXCOORDA, TEXCOORDB) \
|
||
|
|
half4 lightDirection : TEXCOORDA;\
|
||
|
|
half2 screenUV : TEXCOORDB;
|
||
|
|
|
||
|
|
#define TRANSFER_NORMALS_LIGHTING(output, worldSpacePos, lightPosition, lightZDistance)\
|
||
|
|
output.screenUV = ComputeNormalizedDeviceCoordinates(output.positionCS.xyz / output.positionCS.w);\
|
||
|
|
half3 planeNormal = -GetViewForwardDir();\
|
||
|
|
half3 projLightPos = lightPosition.xyz - (dot(lightPosition.xyz - worldSpacePos.xyz, planeNormal) - lightZDistance) * planeNormal;\
|
||
|
|
output.lightDirection.xyz = projLightPos - worldSpacePos.xyz;\
|
||
|
|
output.lightDirection.w = 0;
|
||
|
|
|
||
|
|
#define APPLY_NORMALS_LIGHTING(input, lightColor, lightPosition, lightZDistance)\
|
||
|
|
half4 normal = SAMPLE_TEXTURE2D(_NormalMap, sampler_NormalMap, input.screenUV);\
|
||
|
|
half3 normalUnpacked = UnpackNormalRGBNoScale(normal);\
|
||
|
|
half3 dirToLight = normalize(input.lightDirection.xyz);\
|
||
|
|
lightColor = lightColor * saturate(dot(dirToLight, normalUnpacked));
|
||
|
|
#else
|
||
|
|
#define NORMALS_LIGHTING_COORDS(TEXCOORDA, TEXCOORDB) \
|
||
|
|
half4 positionWS : TEXCOORDA;\
|
||
|
|
half2 screenUV : TEXCOORDB;
|
||
|
|
|
||
|
|
#define TRANSFER_NORMALS_LIGHTING(output, worldSpacePos, lightPosition, lightZDistance) \
|
||
|
|
output.screenUV = ComputeNormalizedDeviceCoordinates(output.positionCS.xyz / output.positionCS.w); \
|
||
|
|
output.positionWS = worldSpacePos;
|
||
|
|
|
||
|
|
#define APPLY_NORMALS_LIGHTING(input, lightColor, lightPosition, lightZDistance)\
|
||
|
|
half4 normal = SAMPLE_TEXTURE2D(_NormalMap, sampler_NormalMap, input.screenUV);\
|
||
|
|
half3 normalUnpacked = UnpackNormalRGBNoScale(normal);\
|
||
|
|
half3 planeNormal = -GetViewForwardDir();\
|
||
|
|
half3 projLightPos = lightPosition.xyz - (dot(lightPosition.xyz - input.positionWS.xyz, planeNormal) - lightZDistance) * planeNormal;\
|
||
|
|
half3 dirToLight = normalize(projLightPos - input.positionWS.xyz);\
|
||
|
|
lightColor = lightColor * saturate(dot(dirToLight, normalUnpacked));
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define NORMALS_LIGHTING_VARIABLES \
|
||
|
|
TEXTURE2D(_NormalMap); \
|
||
|
|
SAMPLER(sampler_NormalMap);
|
||
|
|
#else
|
||
|
|
#define NORMALS_LIGHTING_COORDS(TEXCOORDA, TEXCOORDB)
|
||
|
|
#define NORMALS_LIGHTING_VARIABLES
|
||
|
|
#define TRANSFER_NORMALS_LIGHTING(output, worldSpacePos, lightPosition, lightZDistance)
|
||
|
|
#define APPLY_NORMALS_LIGHTING(input, lightColor, lightPosition, lightZDistance)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define SHADOW_COORDS(TEXCOORDA)\
|
||
|
|
float2 shadowUV : TEXCOORDA;
|
||
|
|
|
||
|
|
#define SHADOW_VARIABLES\
|
||
|
|
TEXTURE2D(_ShadowTex);\
|
||
|
|
SAMPLER(sampler_ShadowTex);
|
||
|
|
|
||
|
|
// Need to look at shadow caster to remove issue with shadows
|
||
|
|
#define APPLY_SHADOWS(input, color, intensity)\
|
||
|
|
if(intensity < 1)\
|
||
|
|
{\
|
||
|
|
half4 shadowTex = SAMPLE_TEXTURE2D(_ShadowTex, sampler_ShadowTex, input.shadowUV); \
|
||
|
|
half shadowFinalValue = dot(half4(1,0,0,0), shadowTex.rgba);\
|
||
|
|
half unshadowValue = dot(half4(0,1,0,0), shadowTex.rgba);\
|
||
|
|
half unshadowGTEOne = unshadowValue > 1;\
|
||
|
|
half spriteAlpha = dot(half4(0,0,1,0), shadowTex.rgba);\
|
||
|
|
half unshadowFinalValue = unshadowGTEOne * (unshadowValue - (1-spriteAlpha)) + (1-unshadowGTEOne) * (unshadowValue * spriteAlpha);\
|
||
|
|
half shadowIntensity = 1-saturate(shadowFinalValue - unshadowFinalValue); \
|
||
|
|
color.rgb = (color.rgb * shadowIntensity) + (color.rgb * intensity*(1 - shadowIntensity));\
|
||
|
|
}
|
||
|
|
|
||
|
|
#define TRANSFER_SHADOWS(output)\
|
||
|
|
output.shadowUV = ComputeNormalizedDeviceCoordinates(output.positionCS.xyz / output.positionCS.w);
|
||
|
|
|
||
|
|
#define SHAPE_LIGHT(index)\
|
||
|
|
TEXTURE2D(_ShapeLightTexture##index);\
|
||
|
|
SAMPLER(sampler_ShapeLightTexture##index);\
|
||
|
|
half2 _ShapeLightBlendFactors##index;\
|
||
|
|
half4 _ShapeLightMaskFilter##index;\
|
||
|
|
half4 _ShapeLightInvertedFilter##index;
|
||
|
|
|
||
|
|
#if !defined(USE_SHAPE_LIGHT_TYPE_0) && !defined(USE_SHAPE_LIGHT_TYPE_1) && !defined(USE_SHAPE_LIGHT_TYPE_2) && !defined(USE_SHAPE_LIGHT_TYPE_3)
|
||
|
|
#define USE_DEFAULT_LIGHT_TYPE 1
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct FragmentOutput
|
||
|
|
{
|
||
|
|
#if USE_SHAPE_LIGHT_TYPE_0 || USE_DEFAULT_LIGHT_TYPE
|
||
|
|
half4 GLightBuffer0 : SV_Target0;
|
||
|
|
#endif
|
||
|
|
#if USE_SHAPE_LIGHT_TYPE_1
|
||
|
|
half4 GLightBuffer1 : SV_Target1;
|
||
|
|
#endif
|
||
|
|
#if USE_SHAPE_LIGHT_TYPE_2
|
||
|
|
half4 GLightBuffer2 : SV_Target2;
|
||
|
|
#endif
|
||
|
|
#if USE_SHAPE_LIGHT_TYPE_3
|
||
|
|
half4 GLightBuffer3 : SV_Target3;
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
FragmentOutput ToFragmentOutput(half4 finalColor)
|
||
|
|
{
|
||
|
|
FragmentOutput output;
|
||
|
|
|
||
|
|
#if USE_SHAPE_LIGHT_TYPE_0 || USE_DEFAULT_LIGHT_TYPE
|
||
|
|
output.GLightBuffer0 = finalColor;
|
||
|
|
#endif
|
||
|
|
#if USE_SHAPE_LIGHT_TYPE_1
|
||
|
|
output.GLightBuffer1 = finalColor;
|
||
|
|
#endif
|
||
|
|
#if USE_SHAPE_LIGHT_TYPE_2
|
||
|
|
output.GLightBuffer2 = finalColor;
|
||
|
|
#endif
|
||
|
|
#if USE_SHAPE_LIGHT_TYPE_3
|
||
|
|
output.GLightBuffer3 = finalColor;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return output;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define LIGHT_OFFSET(TEXCOORD)\
|
||
|
|
float4 lightOffset : TEXCOORD;
|
||
|
|
|
||
|
|
// Light-Batcher mapping for Reference.
|
||
|
|
// OuterAngle; // 1-0 where 1 is the value at 0 degrees and 1 is the value at 180 degrees
|
||
|
|
// InnerAngle; // 1-0 where 1 is the value at 0 degrees and 1 is the value at 180 degrees
|
||
|
|
// InnerRadiusMult; // 1-0 where 1 is the value at the center and 0 is the value at the outer radius
|
||
|
|
|
||
|
|
// Note: IsFullSpotlight // Is no longer fed but deduced within the shader. Value basically is test for InnerAngle = 1.0f
|
||
|
|
// Likewise InnerAngleMult is also deduced and is basically 1 / (Outer - Inner)
|
||
|
|
// Position.xyz => _LightPosition
|
||
|
|
// Position.w => _LightZDistance
|
||
|
|
// ShadowIntensity => In case of Volumetric Lighting this represents ShadowVolumeIntensity
|
||
|
|
|
||
|
|
struct PerLight2D
|
||
|
|
{
|
||
|
|
float4x4 InvMatrix;
|
||
|
|
float4 Color;
|
||
|
|
float4 Position;
|
||
|
|
float FalloffIntensity;
|
||
|
|
float FalloffDistance;
|
||
|
|
float OuterAngle;
|
||
|
|
float InnerAngle;
|
||
|
|
float InnerRadiusMult;
|
||
|
|
float VolumeOpacity;
|
||
|
|
float ShadowIntensity;
|
||
|
|
int LightType;
|
||
|
|
};
|
||
|
|
|
||
|
|
#if USE_STRUCTURED_BUFFER_FOR_LIGHT2D_DATA
|
||
|
|
|
||
|
|
#define UNITY_LIGHT2D_DATA \
|
||
|
|
\
|
||
|
|
uniform StructuredBuffer<PerLight2D> _Light2DBuffer; \
|
||
|
|
\
|
||
|
|
int _BatchBufferOffset; \
|
||
|
|
\
|
||
|
|
PerLight2D GetPerLight2D(float4 color) \
|
||
|
|
{ \
|
||
|
|
int idx = (int)(color.b * 64) + _BatchBufferOffset; \
|
||
|
|
return _Light2DBuffer[idx]; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define _L2D_INVMATRIX light.InvMatrix
|
||
|
|
#define _L2D_COLOR light.Color
|
||
|
|
#define _L2D_POSITION light.Position
|
||
|
|
#define _L2D_FALLOFF_INTENSITY light.FalloffIntensity
|
||
|
|
#define _L2D_FALLOFF_DISTANCE light.FalloffDistance
|
||
|
|
#define _L2D_OUTER_ANGLE light.OuterAngle
|
||
|
|
#define _L2D_INNER_ANGLE light.InnerAngle
|
||
|
|
#define _L2D_INNER_RADIUS_MULT light.InnerRadiusMult
|
||
|
|
#define _L2D_VOLUME_OPACITY light.VolumeOpacity
|
||
|
|
#define _L2D_SHADOW_INTENSITY light.ShadowIntensity
|
||
|
|
#define _L2D_LIGHT_TYPE light.LightType
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#define UNITY_LIGHT2D_DATA \
|
||
|
|
\
|
||
|
|
float4x4 L2DInvMatrix; \
|
||
|
|
float4 L2DColor; \
|
||
|
|
float4 L2DPosition; \
|
||
|
|
float L2DFalloffIntensity; \
|
||
|
|
float L2DFalloffDistance; \
|
||
|
|
float L2DOuterAngle; \
|
||
|
|
float L2DInnerAngle; \
|
||
|
|
float L2DInnerRadiusMult; \
|
||
|
|
float L2DVolumeOpacity; \
|
||
|
|
float L2DShadowIntensity; \
|
||
|
|
int L2DLightType; \
|
||
|
|
|
||
|
|
#define _L2D_INVMATRIX L2DInvMatrix
|
||
|
|
#define _L2D_COLOR L2DColor
|
||
|
|
#define _L2D_POSITION L2DPosition
|
||
|
|
#define _L2D_FALLOFF_INTENSITY L2DFalloffIntensity
|
||
|
|
#define _L2D_FALLOFF_DISTANCE L2DFalloffDistance
|
||
|
|
#define _L2D_OUTER_ANGLE L2DOuterAngle
|
||
|
|
#define _L2D_INNER_ANGLE L2DInnerAngle
|
||
|
|
#define _L2D_INNER_RADIUS_MULT L2DInnerRadiusMult
|
||
|
|
#define _L2D_VOLUME_OPACITY L2DVolumeOpacity
|
||
|
|
#define _L2D_SHADOW_INTENSITY L2DShadowIntensity
|
||
|
|
#define _L2D_LIGHT_TYPE L2DLightType
|
||
|
|
|
||
|
|
#endif
|