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Won't Fix
Votes
1
Found in
2017.4.0f1
2018.3.0a1
2018.3.2f1
2019.1.0a1
2019.2.0a1
Issue ID
1124553
Regression
No
HDR values "bleeding" through transparent shader on vertex color on Nvidia GPUs
Steps to reproduce:
1. Download and open the attached project (in comment) on a PC with an Nvdia GPU
2. Make sure player settings is set to Linear color space
3. Observe the game view
Expected result: sun disk is fully covered
Actual result: sun disks HDR values can be seen behind the sprite
Reproduced on 2017.4.0f1, 2017.4.20f1, 2018.3.5f1, 2019.1.0b2, 2019.3.0a2
DUT:
NVIDIA GeForce GTX 970 - reproducible
Radeon™ Pro WX 9100 - not reproducible
AMD Radeon(TM) RX 460 Graphics - not reproducible
Changing Color space to Gamma or turning off HDR removes the issue
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Resolution Note:
Possibly due to driver issue. Workaround is to add a very small float number in Vertex shader.
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.color = _Color+0.0001f; //workaround
return o;
}