Source Engine Shader Fallbacks

This is list of the shader fallbacks that shipped with Source 2004 to Source 2013. See Material optimization and DirectX Versions for more details.

Note:These DirectX shader fallbacks have been removed and replaced by the shader and effect detail systems since Left 4 Dead (which also deprecated DirectX 8 feature level). Furthermore, since Source 2007 (also applies to Source 2013) also no longer support anything below DirectX 8, so it would be unnecessary to create shader fallbacks below DX8.

LightmappedGeneric

LightmappedGeneric_HDR_DX9

DX9 with HDR

LightmappedGeneric_DX9

DX9

LightmappedGeneric_DX8

DX8.0, DX8.1

LightmappedGeneric_NoBump_DX8

DX8.0, DX8.1, but only used when mat_reducefillrate 1 is set (usually by dxsupport.cfg). Note that this fallback doesn't actually cause the shader code to do anything different, it's only there to allow a material to specify different parameters.

LightmappedGeneric_DX6

DX6, DX7

VertexLitGeneric

VertexLitGeneric_HDR_DX9

DX9 with HDR

VertexLitGeneric_DX9

DX9

VertexLitGeneric_DX8

DX8.0, DX8.1

VertexLitGeneric_DX7

DX7

VertexLitGeneric_DX6

DX6

UnlitGeneric

UnlitGeneric_DX9

DX9

UnlitGeneric_DX8

DX8.0, DX8.1

UnlitGeneric_DX6

DX6, DX7

Refract

Refract_DX90

DX9

Refract_DX80

DX8.0, DX8.1

Refract_DX60

DX6, DX7: refraction isn't supported under DX6 and DX7, this fallback shader is only defined to allow you to use the $fallbackmaterial feature to cause the material system to use a different material under DX6 and DX7.

UnlitGeneric_DX6

DX6, DX7: If you neglect to define a fallback shader, unlit generic is used.

ShatteredGlass

ShatteredGlass

DX9

ShatteredGlass_DX8

DX8.0, DX8.1

ShatteredGlass_DX7

DX7

Wireframe

DX6: Shattered glass isn't supported under DX6.

Water

Water_HDR_DX90

DX9 with HDR

Water_DX90

DX9

Water_DX81

DX8.1

Water_DX80

DX8.0

Water_DX60

DX7/DX6: this fallback shader is only defined to allow you to use the $fallbackmaterial feature to cause the material system to use a different material under DX6 and DX7.

LightmappedGeneric_DX6

DX7/DX6: This is used if you neglect to define a fallback shader.

WorldTwoTextureBlend

WorldTwoTextureBlend

DX9

WorldTwoTextureBlend_DX8

DX8.0, DX8.1

WorldTwoTextureBlend_DX6

DX6, DX7

WorldVertexTransition

WorldVertexTransition_DX9

DX9

WorldVertexTransition_DX8

DX8.0, DX8.1

WorldVertexTransition_DX6

DX6, DX7

WorldVertexAlpha

WorldVertexAlpha

DX9

WorldVertexAlpha_DX8

DX8.0, DX8.1: Note this shader has no fallbacks to DX7 or below.

Cable

Cable

DX8.0, DX8.1, DX9

UnlitGeneric_DX6

DX6, DX7

Eyes

Eyes

DX9

Eyes_dx8

DX8.0, DX8.1

Eyes_dx6

DX6, DX7

EyeRefract

EyeRefract

DX9

Eyes_dx8

DX8.0, DX8.1

Eyes_dx6

DX6, DX7

Modulate

Modulate

DX8.0, DX8.1, DX9

Modulate_DX6

DX6, DX7

MonitorScreen

MonitorScreen

DX8.0, DX8.1, DX9

LightmappedGeneric_DX6

DX6, DX7

Predator

Predator_DX80

DX8.0, DX8.1, DX9

Predator_DX60

DX6, DX7: this fallback shader is only defined to allow you to use the $fallbackmaterial feature to cause the material system to use a different material under DX6 and DX7.

UnlitGeneric_DX6

DX6, DX7: This is used if you neglect to define a fallback shader.

Sprite

Sprite_DX8

DX8.0, DX8.1, DX9

Sprite_DX6

DX6, DX7

Teeth

Teeth

DX9

Teeth_DX8

DX8.0, DX8.1

Teeth_DX6

DX6, DX7

UnlitTwoTexture

UnlitTwoTexture

DX8.0, DX8.1, DX9

UnlitTwoTexture_DX6

DX6, DX7

VortWarp

VortWarp

DX9

VortWarp_DX8

DX8.0, DX8.1

VortWarp_DX7

DX7

VertexLitGeneric_DX6

DX6

WriteZ

WriteZ

DX8.0, DX8.1, DX9

WriteZ_DX6

DX6, DX7

WindowImposter

WindowImposter_DX80

DX8.0, DX8.1, DX9

WindowImposter_DX60

DX6, DX7: this fallback shader is only defined to allow you to use the $fallbackmaterial feature to cause the material system to use a different material under DX6 and DX7.

UnlitGeneric_DX6

DX6, DX7: This is used if you neglect to define a fallback shader