System/packages/glfw-minecraft-wayland/0004-wayland-fix-broken-ope...

29 lines
992 B
Diff

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++;
}