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This will generate one shader per copy format. For now, it is the same
shader with the colmat hard coded. So it should already improve the GPU
performance a bit, but a rewrite of the shader generator is suggested.
Half of the patch is done by linkmauve1:
VideoCommon: Reorganise the shader writes.
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Unsure why this was happening in the first place.
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ScaleRectangleFromTexture, which does a draw, and
CopyRectangleFromTexture, which where possible, does a bit-for-bit copy.
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VideoConfig: Make AspectMode and StereoMode enum classes
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Resolves around 5 -Wmissing-brace warnings on macOS.
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Makes for more strongly-typed identifiers (and doesn't pollute
surrounding namespaces)
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the xfbs created from overlapping copies
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be looked up from cache directly if they were defined previously and their hash hasn't changed
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caused a hash change which would cause us to do a lookup from memory that gave us an incorrect result in XFB2Ram
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only check EFBs
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texture size they are meant to represent
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hasn't changed since the last frame
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display of PAL games that run in 50hz mode.
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makes its own whole chain! This way it "notices" much better gradual divergences. Fixes Mario Sunshine, moss on the window in Zelda TP
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IRs by detecting & fixing the mipmaps that aren't just used for downscaling, but are handmade to create a gradient.
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Update to partial texture updates
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This is supposed to get efb2tex to the same texture as efb2ram, by applying the related efb copies as updates after each other, in the order of their creation.
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In this case, comparing the hash is not enough to check, if two textures are identical.
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Improve bookkeeping around formats. Hopefully make code less confusing.
- Rename TlutFormat -> TLUTFormat to follow conventions.
- Use enum classes to prevent using a Texture format where an EFB Copy format
is expected or vice-versa.
- Use common EFBCopyFormat names regardless of depth and YUV configurations.
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Implement minimal emulation of TMEM caching
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This is a remake of https://github.com/dolphin-emu/dolphin/pull/3749
Full credit goes to phire.
Old message:
"If none of the texture registers have changed and TMEM hasn't been invalidated or changed in other ways, we can blindly reuse the old texture cache entries without rehashing.
Not only does this fix the bloom effect in Spyro: A Hero's Tail (The game abused texture cache) but it will also provide speedups for other games which use the same texture over multiple draw calls, especially when safe texture cache is in use."
Changed the pr per phire's instructions to only return the current texture(s) if none of the texture registers were changed. If any texture register was changed, fall back to the default hashing and rebuilding textures from memory.
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Some code was calling more than one of these functions in a row
(in particular, FileUtil.cpp itself did it a lot...), which is
a waste since it's possible to call stat a single time and then
read all three values from the stat struct. This commit adds a
File::FileInfo class that calls stat once on construction and
then lets Exists/IsDirectory/GetSize be executed very quickly.
The performance improvement mostly matters for functions that
can be handling a lot of files, such as File::ScanDirectoryTree.
I've also done some cleanup in code that uses these functions.
For instance, some code had checks like !Exists() || !IsDirectory(),
which is functionally equivalent to !IsDirectory(), and some
code was using File::GetSize even though there was an IOFile
object that the code could call GetSize on.
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'AbstractTexture'
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The appropriate place for these would be AbstractTexture, once it is
finished.
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This also removes an extra copy of the image for custom textures.
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TextureCache: Fix incomplete GPU texture decoding of non-square mips
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Fixes warning:
```
Source/Core/VideoCommon/TextureCacheBase.cpp:869:17: warning: declaration shadows a local variable [-Wshadow]
const u8* tlut = &texMem[tlutaddr];
^
Source/Core/VideoCommon/TextureCacheBase.cpp:784:13: note: previous declaration is here
const u8* tlut = &texMem[tlutaddr];
^
```
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Fixes bug #10183 [0] introduced by 3bd184a / PR #4467 [1].
TextureCacheBase was no longer calling `entry->Load` for custom textures
since the compute shader decoding logic was added. This adds it back in.
It also slightly restructures the decoding if-group to match the one
below, which I think makes the logic more obvious.
(recommend viewing with `git diff -b` to ignore the indentation changes)
[0]: https://bugs.dolphin-emu.org/issues/10183
[1]: https://github.com/dolphin-emu/dolphin/pull/4467
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Prevents array-to-pointer decay and simplifies some code.
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New Super Mario Bros on PAL still renders at 60 fps, but skips every 5th XFB copy.
So our detection of "per frame" fails, and we require twice the amound of texture objects.
But our pool frees unused textures after 3 frames, so half of them needs to be reallocated
every few frames.
This commit removes the lock for render targets. It was introduced to not update a texture
while it is still in use. But render targets aren't updated while rendering, so this
lock isn't needed. Non-rendertarget textures however aren't as dynamic, so the lock should
have no performance update.
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