92 lines
3.5 KiB
HLSL
92 lines
3.5 KiB
HLSL
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// Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt)
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// This code in no way belongs to BrainFailProductions. I have just made a small change to make
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// it work with texture arrays
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#ifndef UNITY_STANDARD_CONFIG_INCLUDED
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#define UNITY_STANDARD_CONFIG_INCLUDED
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// Define Specular cubemap constants
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#ifndef UNITY_SPECCUBE_LOD_EXPONENT
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#define UNITY_SPECCUBE_LOD_EXPONENT (1.5)
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#endif
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#ifndef UNITY_SPECCUBE_LOD_STEPS
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#define UNITY_SPECCUBE_LOD_STEPS (6)
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#endif
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// Energy conservation for Specular workflow is Monochrome. For instance: Red metal will make diffuse Black not Cyan
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#ifndef UNITY_CONSERVE_ENERGY
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#define UNITY_CONSERVE_ENERGY 1
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#endif
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#ifndef UNITY_CONSERVE_ENERGY_MONOCHROME
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#define UNITY_CONSERVE_ENERGY_MONOCHROME 1
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#endif
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// "platform caps" defines: they are controlled from TierSettings (Editor will determine values and pass them to compiler)
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// UNITY_SPECCUBE_BOX_PROJECTION: TierSettings.reflectionProbeBoxProjection
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// UNITY_SPECCUBE_BLENDING: TierSettings.reflectionProbeBlending
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// UNITY_ENABLE_DETAIL_NORMALMAP: TierSettings.detailNormalMap
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// UNITY_USE_DITHER_MASK_FOR_ALPHABLENDED_SHADOWS: TierSettings.semitransparentShadows
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// disregarding what is set in TierSettings, some features have hardware restrictions
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// so we still add safety net, otherwise we might end up with shaders failing to compile
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#if SHADER_TARGET < 30
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#undef UNITY_SPECCUBE_BOX_PROJECTION
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#undef UNITY_SPECCUBE_BLENDING
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#undef UNITY_ENABLE_DETAIL_NORMALMAP
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#if defined(_PARALLAXMAP)
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#undef _PARALLAXMAP
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#endif
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#if defined(_POM)
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#undef _POM
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#endif
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#endif
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#if (SHADER_TARGET < 30) || defined(SHADER_API_GLES) || defined(SHADER_API_D3D11_9X) || defined (SHADER_API_PSP2)
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#undef UNITY_USE_DITHER_MASK_FOR_ALPHABLENDED_SHADOWS
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#endif
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#ifndef UNITY_SAMPLE_FULL_SH_PER_PIXEL
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//If this is enabled then we should consider Light Probe Proxy Volumes(SHEvalLinearL0L1_SampleProbeVolume) in ShadeSH9
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#define UNITY_SAMPLE_FULL_SH_PER_PIXEL 0
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#endif
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#ifndef UNITY_BRDF_GGX
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#define UNITY_BRDF_GGX 1
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#endif
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// Orthnormalize Tangent Space basis per-pixel
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// Necessary to support high-quality normal-maps. Compatible with Maya and Marmoset.
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// However xNormal expects oldschool non-orthnormalized basis - essentially preventing good looking normal-maps :(
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// Due to the fact that xNormal is probably _the most used tool to bake out normal-maps today_ we have to stick to old ways for now.
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//
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// Disabled by default, until xNormal has an option to bake proper normal-maps.
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#ifndef UNITY_TANGENT_ORTHONORMALIZE
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#define UNITY_TANGENT_ORTHONORMALIZE 0
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#endif
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// Some extra optimizations
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// Simplified Standard Shader is off by default and should not be used for Legacy Shaders
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#ifndef UNITY_STANDARD_SIMPLE
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#define UNITY_STANDARD_SIMPLE 0
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#endif
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// Setup a new define with meaningful name to know if we require world pos in fragment shader
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#if UNITY_STANDARD_SIMPLE
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#define UNITY_REQUIRE_FRAG_WORLDPOS 0
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#else
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#define UNITY_REQUIRE_FRAG_WORLDPOS 1
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#endif
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// Should we pack worldPos along tangent (saving an interpolator)
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// We want to skip this on mobile platforms, because worldpos gets packed into mediump
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#if UNITY_REQUIRE_FRAG_WORLDPOS && !defined(_PARALLAXMAP) && !defined(_POM) && !(defined(SHADER_API_MOBILE) && !defined(SHADER_API_D3D11_9X))
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#define UNITY_PACK_WORLDPOS_WITH_TANGENT 1
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#else
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#define UNITY_PACK_WORLDPOS_WITH_TANGENT 0
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#endif
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#endif // UNITY_STANDARD_CONFIG_INCLUDED
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