Mirrored_Repos/LookingGlass
1
0
Fork 0
mirror of https://github.com/gnif/LookingGlass.git synced 2025-10-10 17:38:10 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[client] egl: prepare for DXGI HDR10 support

Browse Source
This commit is contained in:
Geoffrey McRae
2023-10-27 01:03:22 +11:00
parent 200b7b732c
commit 2f36aaff5c
6 changed files with 24 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
client/renderers/EGL/shader/hdr.h
View File

@@ -40,7 +40,7 @@ float midGain(vec3 pixel)
min(pixel.r, pixel.g)); // min = b
}
vec3 compress(vec3 pixel, float gain)
vec3 compress(vec3 pixel)
{
float maxGain = maxGain(pixel);
return pixel * (maxGain < knee ? maxGain :
@@ -99,8 +99,10 @@ vec3 bt2020to709(vec3 bt2020)
bt2020.r * -0.0182 + bt2020.g * -0.1006 + bt2020.b * 1.1187);
}
vec3 mapToSDR(vec3 color, float gain)
vec3 mapToSDR(vec3 color, float gain, bool pq)
{
vec3 lin = bt2020to709(pq2lin(color.rgb, gain));
return lin2srgb(compress(lin, gain));
if (pq)
color = pq2lin(color.rgb, gain);
color = bt2020to709(color);
return lin2srgb(compress(color));
}