[Impeller] OpenGLES embedders text quality affected when changing pixel_ratio. #135523
Description
Is there an existing issue for this?
- I have searched the existing issues
- I have read the guide to filing a bug
Steps to reproduce
Using generic embedder call SendWindowMetricsEvent with pixel_ratio set to .5
Expected results
Smooth scaled text like here when pixel_ratio is set to 1.0
Actual results
Text is jagged, not smooth
Code sample
Code sample
// Set window size
FlutterWindowMetricsEvent fwme = {.struct_size = sizeof(fwme),
.width = width,
.height = height,
.pixel_ratio = 0.5};
auto result = m_proc_table.SendWindowMetricsEvent(m_flutter_engine, &fwme);
if (result != kSuccess) {
spdlog::critical("({}) Failed send initial window size to flutter",
m_index);
assert(false);
}Screenshots or Video
Screenshots / Video demonstration
Logs
NA
Flutter Doctor output
Doctor output
[!] Flutter (Channel [user-branch], 3.15.0-15.2.pre, on Fedora Linux 38 (Workstation Edition) 6.4.15-200.fc38.x86_64, locale en_US.UTF-8)
! Flutter version 3.15.0-15.2.pre on channel [user-branch] at /mnt/raid10/workspace-automation/flutter
Currently on an unknown channel. Run `flutter channel` to switch to an official channel.
If that doesn't fix the issue, reinstall Flutter by following instructions at https://flutter.dev/docs/get-started/install.
! Upstream repository unknown source is not a standard remote.
Set environment variable "FLUTTER_GIT_URL" to unknown source to dismiss this error.
• Framework revision 0d074ced6c (5 days ago), 2023-09-21 10:24:15 -0700
• Engine revision 453411bcf3
• Dart version 3.2.0 (build 3.2.0-134.1.beta)
• DevTools version 2.27.0
• If those were intentional, you can disregard the above warnings; however it is recommended to use "git" directly to perform update checks and upgrades.
[✓] Linux toolchain - develop for Linux desktop
• clang version 16.0.6 (Fedora 16.0.6-3.fc38)
• cmake version 3.27.4
• ninja version 1.11.1
• pkg-config version 1.8.0
[✓] VS Code (version 1.82.2)
• VS Code at /usr/share/code
• Flutter extension version 3.72.0
[✓] Connected device (2 available)
• Linux (desktop) • linux • linux-x64 • Fedora Linux 38 (Workstation Edition) 6.4.15-200.fc38.x86_64
• Toyota homescreen (mobile) • homescreen • linux-x64 • homescreen x86_64
[✓] Network resources
• All expected network resources are available.
! Doctor found issues in 1 category.