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From 64deb9471c7d9cad4c2ec1de1fba6a35c9af8e68 Mon Sep 17 00:00:00 2001
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From: Erik Kurzinger <ekurzinger@nvidia.com>
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Date: Fri, 14 May 2021 08:26:49 -0400
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Subject: [PATCH xserver 21/27] xwayland/eglstream: allow commits to dma-buf
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backed pixmaps
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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As of commit 098e0f52 xwl_glamor_eglstream_allow_commits will not allow commits
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if the xwl_pixmap does not have an EGLSurface. This is valid for pixmaps backed
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by an EGLStream, however pixmaps backed by a dma-buf for OpenGL or Vulkan
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rendering will never have an EGLSurface. Unlike EGLStream backed pixmaps,
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though, glamor will render directly to the buffer that Xwayland passes to the
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compositor. Hence, they don't require the intermediate copy in
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xwl_glamor_eglstream_post_damage that EGLStream backed pixmaps do, so there is
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no need for an EGLSurface.
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Signed-off-by: Erik Kurzinger <ekurzinger@nvidia.com>
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Acked-by: Olivier Fourdan <ofourdan@redhat.com>
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Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
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(cherry picked from commit 3d33d885fcd1215a74c1819278cf6f9557c9860b)
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---
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hw/xwayland/xwayland-glamor-eglstream.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/hw/xwayland/xwayland-glamor-eglstream.c b/hw/xwayland/xwayland-glamor-eglstream.c
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index 2094d293a..2d0827709 100644
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--- a/hw/xwayland/xwayland-glamor-eglstream.c
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+++ b/hw/xwayland/xwayland-glamor-eglstream.c
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@@ -681,7 +681,8 @@ xwl_glamor_eglstream_allow_commits(struct xwl_window *xwl_window)
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return FALSE;
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} else {
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- if (xwl_pixmap->surface != EGL_NO_SURFACE)
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+ if (xwl_pixmap->surface != EGL_NO_SURFACE ||
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+ xwl_pixmap->type == XWL_PIXMAP_DMA_BUF)
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return TRUE;
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/* The pending stream got removed, we have a xwl_pixmap and
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--
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2.31.1
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