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File 0004-wayland-fix-broken-opengl-screenshots-on-mutter.patch of Package glfw
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: ninja- <ninja-@users.noreply.github.com> Date: Tue, 30 Jun 2020 19:41:52 +0200 Subject: wayland: fix broken opengl screenshots on mutter --- src/egl_context.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/egl_context.c b/src/egl_context.c index 975c67be..b5cbeaff 100644 --- a/src/egl_context.c +++ b/src/egl_context.c @@ -175,6 +175,14 @@ static GLFWbool chooseEGLConfig(const _GLFWctxconfig* ctxconfig, u->samples = getEGLConfigAttrib(n, EGL_SAMPLES); u->doublebuffer = desired->doublebuffer; +#if defined(_GLFW_WAYLAND) + // Avoid using transparent buffer on Wayland if transparency is not requested. + // Otherwise mutter will fail to properly screenshot OpenGL content. + if (u->alphaBits > 0 && !desired->transparent) { + continue; + } +#endif // _GLFW_WAYLAND + u->handle = (uintptr_t) n; usableCount++; }
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