util-downsample-2x
Downsample an input image by 2x along a given axis by using a lanczos filter.
Index
Input Textures/Samplers
Uniform Buffer Values
Input Textures/Samplers
- g_sourceTexture
-
g_sourceTexture
Type
texture
(platform-specific)Description
The texture to sample. - g_sampler
-
g_sampler
Type
sampler
(platform-specific, does not exist on some platforms)Description
The sampler to use to sample g_sourceTexture.
Uniform Buffer Values
- g_filterDir
-
float2 g_filterDir
Type
float2
Description
The direction that we're downsampling along. Should either be (1, 0)
to downsample horizontally to a half-width texture or(0, 1)
to downsample vertically to a half-height texture.