We now structure the code to assume we have EGL_KHR_no_config_context,
which is the common case. This allows use to decouple context creation
from swapchain creation.
We still handle the case where the extension is not present by always
selecting a transparent config.
There can be up to 4 channels drawing commands can be associated to.
Channels work like "priorities" except it's the strongest command ordering
key, in particular it takes precedence over the object's blending mode.
We were using a specialization constant to size an array inside an
UBO interface block, which caused the crash in the Vulkan driver.
However, this specialization constant was only used to workaround a
Chrome bug on WebGL. Additionally, specialized array size inside blocks
are not fully supported in spirv.
This workaround simply replaces the specialization constant by a
constant on Vulkan.
Fix#6444
- Remove DefaultPlatform from public headers
DefaultPlatform is now PlatormFactory and is just an implementation
detail.
- VulkanPlatform is now public
- Improvements to the OpenGLPlatform interface
- Cleanup PlatformEGL and PlatformEGLAndroid
Also:
- reworked how external image worked so that all the implementation
is contained in the Platform and no dependency to the backend is
needed.
- MetalPlatform is now entirely private and final
This is because MetalPlatform wasn't an interface. We probably need one
so it could be customized in the future. But as it stands now it's
better to be private.
* Refactor VulkanContext/Driver initialization
Move the initialization of VulkanContext fields to the class
itself. This will clean up how the various extension support
flags are deteremined.
Also disable debugUtils extension for Mesa driver (#6192).
* Re-land #1 "[vulkan] Refactor vkEnumerate methods (#6423)"
This reverts commit 6f7d203adb.
The above commit (6f7d20) is the revert of #6423. Commit
6f7d20 is PR #6425.
"[vulkan] Refactor vkEnumerate methods (#6423)" failed [here] due to
a missing function attribute (VKAPI_ATTR in bluevk) for ARM64
compilers.
[here]: https://github.com/google/filament/actions/runs/3841550984
