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hrydgard / ppsspp

A PSP emulator for Android, Windows, Mac and Linux, written in C++. Want to contribute? Join us on Discord at https://discord.gg/5NJB6dD or just send pull requests / issues. For discussion use the forums at forums.ppsspp.org.
https://www.ppsspp.org
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Duplicate Frames to 60Hz prevents drawing in GTA #13068

Closed NABN00B closed 4 years ago

NABN00B commented 4 years ago

What happens?

When the "Duplicate Frames to 60Hz" option is enabled, the emulator stops drawing frames in GTA LCS and VCS. The game is still running because I can move around, shoot and hear the sound of all of that. The pause menu of the games are drawn correctly, but only if a frame had been correctly drawn before enabling the 60Hz option.

What hardware, operating system, and PPSSPP version? On desktop, GPU matters for graphical issues.

OS: Windows 10 (x64) GPU: GeForce GTX 1060 3GB PPSSPP: v1.10 (x64) Backend: OpenGL / Vulkan / Direct3D 11 VSync: Enabled

hrydgard commented 4 years ago

I cannot seem to repro this, weirdly. Wonder if it's an interaction with another setting too?

NABN00B commented 4 years ago

ppsspp.zip Here's my configuration.

hrydgard commented 4 years ago

That does actually repro if I switch to Vulkan. Thanks! But very weird...

Since it uses the same mechanism to force 60fps rendering, the post processing effect CRT Scanlines also has the same behavior.

hrydgard commented 4 years ago

Aha, you had Frameskipping set to 1. That together with DuplicateFrames confuses things badly.

I'm going to make DuplicateFrames only available if Frameskipping is 0.