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[Mali-400] Vanishing Point Broken Graphics. #964

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NightWolf2014 opened this issue Mar 6, 2023 · 7 comments
Open

[Mali-400] Vanishing Point Broken Graphics. #964

NightWolf2014 opened this issue Mar 6, 2023 · 7 comments
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@NightWolf2014
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NightWolf2014 commented Mar 6, 2023

I tried to emulate Vanishing Point (USA Region) for first time, everything works for the menu, when i start the race, the graphics are broken:
Screenshot_2023-03-06-10-02-12
If i go back to the main menu, the letter disappears.
I am using the last 2.1 version of Flycast for Android, my device its the Samsung Galaxy Tab E SM-T116BU with Android 4.4.4 and GPU Mali-400.
Another racing games that i emulated worked without graphics bugs.

@NightWolf2014 NightWolf2014 added the bug Something isn't working label Mar 6, 2023
@flyinghead
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The Mali-400 has floating point precision issues, which is probably the issue here. It's also limited to GLES 2.0.
More recent Mali GPUs don't have this problem and support GLES 3.0+.

See these other Mali-400 issues: #382 #99

@flyinghead flyinghead changed the title Vanishing Point Broken Graphics. [Mali-400] Vanishing Point Broken Graphics. Mar 6, 2023
@NightWolf2014
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The Mali-400 has floating point precision issues, which is probably the issue here. It's also limited to GLES 2.0. More recent Mali GPUs don't have this problem and support GLES 3.0+.

See these other Mali-400 issues: #382 #99
What i should to do?

@flyinghead
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Get a more recent phone with a better GPU.

@NightWolf2014
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Get a more recent phone with a better GPU.

Damn, i don't have money for that, the only alternative is to emulate the PS1 version.

@ghost
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ghost commented Mar 7, 2023

Mali 4xx gpu is very problematic gpu in terms of emulator see hrydgard/ppsspp#11598 (comment)

@ghost
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ghost commented Mar 7, 2023

I tested this game on my vivo y11 snapdragon 439 vulkan the game is stuttering not well optimize:(

XiaoYing_Video_1678157654841.mp4

@NightWolf2014
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Mali 4xx gpu is very problematic gpu in terms of emulator see hrydgard/ppsspp#11598 (comment)

Thanks for the information.

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