User Tools
ibl_sample_shader_lys
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
ibl_sample_shader_lys [2017/05/15 17:13] adavies old revision restored (2017/05/15 17:11) |
ibl_sample_shader_lys [2017/05/16 02:57] adavies |
||
|---|---|---|---|
| Line 124: | Line 124: | ||
| // form as cube maps convolved in Lys are based on RdotL and not NdotH. You can find | // form as cube maps convolved in Lys are based on RdotL and not NdotH. You can find | ||
| // a more detailed description in "Pre-convolved Cube Maps vs Path Tracers" | // a more detailed description in "Pre-convolved Cube Maps vs Path Tracers" | ||
| + | // Despite the difference in distribution of MIPs the lit specular response resulting from | ||
| + | // the “roughness texture” will be identical to existing PBR based game engines and tools. | ||
| float BurleyToMip(float fPerceptualRoughness, int nMips, float NdotR) | float BurleyToMip(float fPerceptualRoughness, int nMips, float NdotR) | ||
| { | { | ||
ibl_sample_shader_lys.txt · Last modified: 2017/05/23 03:49 (external edit)
Page Tools
