As usual, also bump its helper crates (`js-sys`, `web-sys` and
`wasm-bindgen-futures`) to the latest versions.
Due to https://github.com/rustwasm/wasm-bindgen/pull/3031, use the
`serde-wasm-bindgen` crate as a replacement to the deprecated
`JsValue::from_serde` function.
In several cases, the current code seems preferable to the
code required by `clippy::bool_to_int_with_if`. Let's suppress
this for now to get the build passing, and decide later if this
is something that we want to enable.
* avm2: Implement `BitmapData.draw` for `wgpu` backend
This method requires us to have the ability to render directly to a
texture. Fortunately, the `wgpu` backend already supports this in
the form of `TextureTarget`. However, the rendering code required
some refactoring in order to avoid creating duplicate `wgpu` resources.
The current implementation blocks on copying the pixels back
from the GPU to the CPU, so that we can immediately set them in
the Ruffle `BitmapData`. This is likely very inefficient, but will
work for a first implementation.
In the future, we could explore allowing the CPU image data and GPU
texture to be out of sync, and only synchronized when explicitly
necessary (e.g. on `getPixel` or `setPixel` calls).
* Rename `with_offscreen_backend` to `render_offscreen` and use Bitmap
* Don't panic when backend doesn't implement `render_offscreen`
Previously, the viewport height and width were stored in
both `Stage` and the `RenderBackend`. Any changes to the viewport
dimensions (e.g. due to window resizing) needed to be updated in both
places to keep our handling of the viewport consistent.
This PR adds a new `ViewportDimensions` type, which holds the
width, height, and scale factor. It is stored inside the
`RenderBackend` impl, and is retrieved using the newly added
method `RenderBackend.get_viewport_dimensions`. After a `Player`
has been constructed, any code that needes access to the viewport
dimensions will ultimate go through this method.
Unfortunately, `Stage` needs to use the viewport dimensions
in `build_matrices`. Therefore, any code modifying the viewport
dimensions should go through `player.set_viewport_dimensions`,
which ensures that the stage matrices are rebuilt after the render
backend is updated.
Each render backend keeps track of a stack of BlenModes,
which are pushed and popped by 'core' as we render objects
in the displaay tree. For now, I've just implemented BlendMode.ADD,
which maps directly onto blend mode supported by each backend.
All other blend modes (besides 'NORMAL') will produce a warning
when we try to render using them. This may produce a very large amount
of log output, but it's simpler than emitting each warning only once,
and will help to point developers in the right direction when they
get otherwise inexplicable rendering issues (due to a blend mode
not being implemented).
The wgpu implementation is by far the most complicated, as we need
to construct a `RenderPipeline` for each possible
`(BlendMode, MaskState)`. I haven't been able to find any documentation
about the maximum supported number of (simultaneous) WebGPU render
pipelines - if this becomes an issue, we may need to register them
on-demand when a particular blend mode is requested.
This basically reverts #5737 and #6458 for the WebGL backend, which
regressed a bug where setting the style `display: none;` to a Ruffle
player logged many WebGL warnings to the console. This happened
because `renderbuffer_width` and `renderbuffer_height` were set to zero,
leading to problems when trying to pass them to WebGL APIs.
Avoid such situation by ensuring that `renderbuffer_width` and
`renderbuffer_height` are at least `1`, exactly as done before.
Also add a comment that explains why `.clamp()` isn't used.
Fixes#1264.
Adjust `common_tess` to add an additional `mask_index_count` to
draws. This is used to not render strokes when drawing a shape as
a mask stencil.
Fixes#7027.
Based on the work in #6717, plus additional adaptions mentioned in
https://github.com/gfx-rs/wgpu/blob/master/CHANGELOG.md#wgpu-013-2022-06-30,
and more not-mentioned but required changes.
Also bump `wasm-bindgen` to `0.2.81` (along with its helper crates), as
required by the new `wgpu` version.
Note that I don't fully understand some of the required changes, notably:
* `wgpu::PresentMode::Mailbox` no longer works on my machine (Windows 11) -
The `wgpu` documentation says that `wgpu::PresentMode::Fifo` is the
only guaranteed to be supported, so I switched over to it instead.
* `self.staging_belt.recall()` doesn't return a `Future` anymore -
I assume it became synchronous so I simply removed the `executor`
from there.
Currently, all three render backends hold on texture-related
resources indefinitely (`register_bitmap` pushes to a `Vec`,
and never removes anything). As a result, the resources used
by the render backend (which may include GPU memory) will grow
over time, even if the corresponding `BitmapData` has been deallocated.
This commit adds a new `unregister_bitmap` method, which is called from
`BitmapData.dispose`. All render backs are changed to now use an
`FnvHashMap<BitmapHandle, _>` instead of a `Vec`, allowing us to
remove individual entries.
Currently, we only call `unregister_bitmap in response to
`BitmapData.dispose` - when `BitmapData` is freed by the
garbage collector, `unregister_bitmap` is *not* called.
This will be addressed in a future PR.
Since all `RenderBackend::register_bitmap_*` implementations are
identical now, move them to the default implementation of `RenderBackend`.
Also, turn `RenderBackend::register_bitmap_raw` into `RenderBackend::register_bitmap`,
which accepts a single `Bitmap` parameter.
Guarantee bitmap data after decoding has the expected length for
the given width+height+format. This eases the burden from backends
to worry about this. Pad or truncate the data if it doesn't have
the expected size.
I (Michael R. Welsh) assign to Ruffle LLC all rights, title, and
interest to copyrights of my personal contributions to Ruffle,
effective March 26, 2022.
If `gl.drawingBufferWidth` returns `0`, then a `clamp` in
`WebGlRenderBackend::set_viewport_dimensions` hits an assertion that
`1 <= self.gl.drawing_buffer_width()` is `false`. I was able to
reproduce this on Chrome by creating many dummy WebGL contexts until
Ruffle's one is lost, and then resize the Ruffle player, but this may
happen in other cases as well.
Fix this by allowing `renderbuffer_width` and `renderbuffer_height`
to be `0`. From basic testing, this seems harmless.
relrelb