2022-06-01 13:02:33 -04:00
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: ninja- <ninja-@users.noreply.github.com>
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Date: Tue, 30 Jun 2020 19:41:52 +0200
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Subject: wayland: fix broken opengl screenshots on mutter
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---
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src/egl_context.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/src/egl_context.c b/src/egl_context.c
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2023-02-08 21:57:48 -05:00
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index 975c67be..b5cbeaff 100644
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2022-06-01 13:02:33 -04:00
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--- a/src/egl_context.c
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+++ b/src/egl_context.c
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@@ -175,6 +175,14 @@ static GLFWbool chooseEGLConfig(const _GLFWctxconfig* ctxconfig,
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u->samples = getEGLConfigAttrib(n, EGL_SAMPLES);
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u->doublebuffer = desired->doublebuffer;
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+#if defined(_GLFW_WAYLAND)
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+ // Avoid using transparent buffer on Wayland if transparency is not requested.
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+ // Otherwise mutter will fail to properly screenshot OpenGL content.
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+ if (u->alphaBits > 0 && !desired->transparent) {
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+ continue;
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+ }
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+#endif // _GLFW_WAYLAND
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+
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u->handle = (uintptr_t) n;
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usableCount++;
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}
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