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OpenGL/ES: Fix 'R' and 'B' bits inverted on all platforms

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The color channels are swapped on Linux too, not only on Windows. It can be
reproduced by running the "OpenGL Area" example from gtk3-demo with
GDK_GL=gles, or play a video in totem with GDK_GL=gles.

Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/3032
This commit is contained in:
Balló György
2023-09-27 14:08:07 +02:00
parent 9e45d0cef6
commit 261780ac51
3 changed files with 15 additions and 12 deletions
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10
gdk/gdkglcontext.c
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@ -102,6 +102,7 @@ typedef struct {
guint has_frame_terminator : 1;
guint has_unpack_subimage : 1;
guint has_sync : 1;
guint has_texture_format_bgra : 1;
guint extensions_checked : 1;
guint debug_enabled : 1;
guint forward_compatible : 1;
@ -450,6 +451,14 @@ gdk_gl_context_has_sync (GdkGLContext *context)
return priv->has_sync;
}
gboolean
gdk_gl_context_has_texture_format_bgra (GdkGLContext *context)
{
GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (context);
return priv->has_texture_format_bgra;
}
/**
* gdk_gl_context_set_debug_enabled:
* @context: a #GdkGLContext
@ -819,6 +828,7 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
priv->has_unpack_subimage = epoxy_has_gl_extension ("GL_EXT_unpack_subimage");
priv->has_sync = priv->gl_version >= 30;
priv->has_texture_format_bgra = epoxy_has_gl_extension ("GL_EXT_texture_format_BGRA8888");
}
else
{