From 7c64ef8281b59fc5e1f6f2afc01ce3679af6c061 Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Mon, 28 Mar 2022 18:29:24 +0800
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Subject: [PATCH 6/6] HACK: gdk: gdkgl: Avoid using shared contexts
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Some GL implementations don't support sharing framebuffers in shared
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GL contexts, for example Mali DDK.
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Let's avoid switching GL context here to make sure of generating
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framebuffer in the common GL context.
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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gdk/gdkgl.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/gdk/gdkgl.c b/gdk/gdkgl.c
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index 9690077..c0b5bb3 100644
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--- a/gdk/gdkgl.c
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+++ b/gdk/gdkgl.c
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@@ -366,7 +366,13 @@ gdk_cairo_draw_from_gl (cairo_t *cr,
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clip_region = gdk_cairo_region_from_clip (cr);
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- gdk_gl_context_make_current (paint_context);
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+ /**
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+ * HACK: Some GL implementations don't support sharing framebuffers in shared
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+ * GL contexts, for example Mali DDK.
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+ * Let's avoid switching GL context here to make sure of generating
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+ * framebuffer in the common GL context.
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+ */
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+ // gdk_gl_context_make_current (paint_context);
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paint_data = gdk_gl_context_get_paint_data (paint_context);
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if (paint_data->tmp_framebuffer == 0)
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--
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2.20.1
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