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Dolphin Progress Report: September 2016


There was apparently some big deal this month about getting every GameCube game to boot. But, the increasingly more amusing part of this new found accuracy is emulating game crashes. When using MMU Enabled + Single Core, it should be impossible for a game to crash Dolphin, but, much more likely to emulate a game crashing in situations where it would on console. As such, booting all games is old news, Dolphin is now onto emulating crashes in all games. One infamous one that didn't work in Dolphin is known as the Gotcha Force "Force 20" game glitch.


Gotcha Force "Force 20" Crash

Though not specially highlighted this month, our applause has to go to aldelero5 for continuing to work on and renovate Dolphin's debugger. With Dolphin's increasingly accurate MMU emulation, it's actually become even more useful to poke at and prod games. They are making it so much easier to research and prod bugs like this to delve even deeper into the game logic!

While that was merged near the beginning of the month, we had another major change merged at the end of the month. Two hours before the progress report was originally scheduled. Dolphin now has another experimental backend, this time using the Vulkan API. Much like D3D12, it should be considered experimental, with a few features still missing from the backend, and many drivers having their own issues with Vulkan.

With that out of the way, let's get onto this month's notable changes!

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Dolphin Progress Report: February 2016


Another month rolls by and now the feature freeze is starting to take a toll on the new features. Aside from Android and D3D12 development, which have an exception from the feature freeze, most of the changes this month were either relatively small or involved Dolphin 5.0 blocker bugs. Progress on the eventual Dolphin 5.0 release is very promising, with over half of the remaining blocking issues with fixes pending! While there is still quite a bit of work to do, we hope this month's notable changes, featuring some oft requested tweaks, will tide people over until the feature freeze is over.

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Dolphin Progress Report: January 2016


With Dolphin in the thick of the 5.0 feature freeze, things were expected to slowdown a bit. Some of us were worried there wouldn't even be enough content for a Progress Report! Alas, while the gears have shifted toward different things to prepare for a release, there is no shortage of interesting changes. As an added bonus a feature implemented three years ago was rediscovered! That kind of thing just seems to happen over the course of a project.

Work toward Dolphin 5.0 has continued; but, a lot of these cleanups have come at a cost. There have been some noteworthy regressions (notably with netplay) and through testing we've noticed some broken features that have been working incorrectly for some time. As Dolphin approaches its next release, we hope that users will continue to update to the latest dev builds and test for regressions and issues so they can be caught before 5.0 is in everyone's hands.

Something to notice about this Progress Report is that we heavily leaned on Dolphin's FIFOCI infrastructure for screenshots and examples. These images were automatically generated on a server without user interaction and were taken from the exact same frame of instructions sent to the emulated GameCube/Wii GPU. Of course, FIFOCI is limited to graphical bugs, and certain graphical bugs at that. Without FIFOCI, it's possible that these changes would not exist, or if they did, there wouldn't be an easy way to verify what they fixed. In the case of the Wrap Negative Indirect Texture Coordinates, it was developed as a fix for F-Zero GX, but FIFOCI discovered it also affected Skyward Sword.

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