66 lines
2.6 KiB
HLSL
66 lines
2.6 KiB
HLSL
// The following comment prevents Unity from auto upgrading the shader. Please keep it to keep backward compatibility.
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// UNITY_SHADER_NO_UPGRADE
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#ifndef _VLB_SHADER_SPECIFIC_INCLUDED_
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#define _VLB_SHADER_SPECIFIC_INCLUDED_
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// POSITION TRANSFORM
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#if UNITY_VERSION < 540
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#define __VLBMatrixWorldToObject _World2Object
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#define __VLBMatrixObjectToWorld _Object2World
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#define __VLBMatrixV UNITY_MATRIX_V
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inline float4 VLBObjectToClipPos(in float3 pos) { return mul(UNITY_MATRIX_MVP, float4(pos, 1.0)); }
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#else
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#if VLB_CUSTOM_INSTANCED_OBJECT_MATRICES
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#define __VLBMatrixWorldToObject UNITY_ACCESS_INSTANCED_PROP(Props, _WorldToLocalMatrix)
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#define __VLBMatrixObjectToWorld UNITY_ACCESS_INSTANCED_PROP(Props, _LocalToWorldMatrix)
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#define __VLBMatrixV unity_MatrixV
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inline float4 VLBObjectToClipPos(in float3 pos) { return mul(mul(unity_MatrixVP, __VLBMatrixObjectToWorld), float4(pos, 1.0)); }
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#else
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#define __VLBMatrixWorldToObject unity_WorldToObject
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#define __VLBMatrixObjectToWorld unity_ObjectToWorld
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#define __VLBMatrixV UNITY_MATRIX_V
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#define VLBObjectToClipPos UnityObjectToClipPos
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#endif
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#endif
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inline float4 VLBObjectToWorldPos(in float4 pos) { return mul(__VLBMatrixObjectToWorld, pos); }
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#define VLBWorldToViewPos(pos) (mul(__VLBMatrixV, float4(pos.xyz, 1.0)).xyz)
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// FRUSTUM PLANES
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#define VLBFrustumPlanes unity_CameraWorldClipPlanes
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// CAMERA
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inline float3 __VLBWorldToObjectPos(in float3 pos) { return mul(__VLBMatrixWorldToObject, float4(pos, 1.0)).xyz; }
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inline float3 VLBGetCameraPositionObjectSpace(float3 scaleObjectSpace)
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{
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return __VLBWorldToObjectPos(_WorldSpaceCameraPos).xyz * scaleObjectSpace;
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}
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// DEPTH
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#ifndef UNITY_DECLARE_DEPTH_TEXTURE // handle Unity pre 5.6.0
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#define UNITY_DECLARE_DEPTH_TEXTURE(tex) sampler2D_float tex
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#endif
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UNITY_DECLARE_DEPTH_TEXTURE(_CameraDepthTexture);
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#define VLBSampleDepthTexture(/*float4*/uv) (SAMPLE_DEPTH_TEXTURE(_CameraDepthTexture, (uv)/(uv.w)))
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#define VLBLinearEyeDepth(depth) (LinearEyeDepth(depth))
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// FOG
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#define VLB_FOG_UNITY_BUILTIN_COORDS
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#if VLB_ALPHA_AS_BLACK
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#define VLB_FOG_APPLY(color) \
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float4 fogColor = unity_FogColor; \
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fogColor.rgb *= color.a; \
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UNITY_APPLY_FOG_COLOR(i.fogCoord, color, fogColor);
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// since we use this shader with Additive blending, fog color should be modulated by general alpha
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#else
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#define VLB_FOG_APPLY(color) UNITY_APPLY_FOG(i.fogCoord, color);
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#endif
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inline void ApplyPipelineSpecificIntensityModifier(inout float intensity) {}
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#endif // _VLB_SHADER_SPECIFIC_INCLUDED_
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