-display dbus: add win32 support

[PATCH 13/21] ui/egl: default to GLES on windows

marcandre.lureau@redhat.com posted 21 patches 2 years, 8 months ago

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Maintainers: "Marc-André Lureau" <marcandre.lureau@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Stefan Weil <sw@weilnetz.de>, Paolo Bonzini <pbonzini@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Thomas Huth <thuth@redhat.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, John Snow <jsnow@redhat.com>, Cleber Rosa <crosa@redhat.com>, Laurent Vivier <lvivier@redhat.com>

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[PATCH 13/21] ui/egl: default to GLES on windows

Posted by marcandre.lureau@redhat.com 2 years, 8 months ago

From: Marc-André Lureau <marcandre.lureau@redhat.com>

Windows GL drivers are notoriously not very good. Otoh, ANGLE provides
rock solid GLES implementation on top of direct3d. We should recommend
it and default to ES when using EGL (users can easily override this if
necessary)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 ui/egl-helpers.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c
index 4b29dda7ed..1c718b0b98 100644
--- a/ui/egl-helpers.c
+++ b/ui/egl-helpers.c
@@ -537,6 +537,10 @@ int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, DisplayGLMode mode)
 #ifdef WIN32
 int qemu_egl_init_dpy_win32(EGLNativeDisplayType dpy, DisplayGLMode mode)
 {
+    /* prefer GL ES, as that's what ANGLE supports */
+    if (mode == DISPLAYGL_MODE_ON) {
+        mode = DISPLAYGL_MODE_ES;
+    }
     return qemu_egl_init_dpy(dpy, 0, mode);
 }
 #endif
-- 
2.40.1