Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 378c859a6e51b19ea340d33aa44de3e1c7e84c71
https://github.com/WebKit/WebKit/commit/378c859a6e51b19ea340d33aa44de3e1c7e84c71
Author: Diego Pino Garcia <dp...@igalia.com>
Date: 2025-08-26 (Tue, 26 Aug 2025)
Changed paths:
M Source/WebKit/WPEPlatform/wpe/drm/WPEDRM.cpp
M Source/WebKit/WPEPlatform/wpe/drm/WPEDRM.h
M Source/WebKit/WPEPlatform/wpe/drm/WPEDisplayDRM.cpp
M Source/WebKit/WPEPlatform/wpe/drm/WPEScreenDRM.cpp
M Source/WebKit/WPEPlatform/wpe/drm/WPEScreenDRMPrivate.h
M Source/WebKit/WPEPlatform/wpe/drm/WPEViewDRM.cpp
Log Message:
-----------
[WPE] Launching MiniBrowser on DRM mode doesn't pick VSync clock
https://bugs.webkit.org/show_bug.cgi?id=297892
Reviewed by Nikolas Zimmermann.
Function 'drmWaitVBlank' needs a file descriptor with a frame buffer
attached in order to work. However, a trace shows the function call
that tries to attach the frame buffer, 'drmAddFrameBuffer', happens after.
To make 'drmWaitVBlank' work before the frame buffer is ready, a mock
frame buffer is attached temporarily to the file descriptor before the
actual frame buffer is created.
Patch by Carlos Garcia Campos <cgar...@igalia.com>
* Source/WebKit/WPEPlatform/wpe/drm/WPEDRM.cpp:
(WPE::DRM::Crtc::Crtc):
* Source/WebKit/WPEPlatform/wpe/drm/WPEDRM.h:
(WPE::DRM::Crtc::bufferID const):
* Source/WebKit/WPEPlatform/wpe/drm/WPEDisplayDRM.cpp:
(wpeDisplayDRMSetup):
* Source/WebKit/WPEPlatform/wpe/drm/WPEScreenDRM.cpp:
(wpeScreenDRMCreateDumbBufferIfNeeded):
(wpeScreenDRMDestroyDumbBufferIfNeeded):
* Source/WebKit/WPEPlatform/wpe/drm/WPEScreenDRMPrivate.h:
* Source/WebKit/WPEPlatform/wpe/drm/WPEViewDRM.cpp:
(wpeViewDRMCommitAtomic):
(wpeViewDRMCommitLegacy):
Canonical link: https://commits.webkit.org/299155@main
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