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gl-renderer: Don't re-import dmabufs

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My reading of the GL spec is that a dmabuf becomes a sibling to the
EGLImage created from it, and that all updates to the dmabuf will be
propagated to the EGLImage.

A rebind is still required every time the dmabuf content changes,
but this should be satisfied by gl_renderer_attach(), which does
a rebind when the buffer is commit.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2021-07-28 08:13:25 -05:00 • committed by Daniel Stone
parent b47e2cc902
commit 0b51b02c5e
1 changed files with 0 additions and 37 deletions
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37
libweston/renderer-gl/gl-renderer.c
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@ -2732,35 +2732,6 @@ gl_renderer_import_dmabuf(struct weston_compositor *ec,
return true;
}
static bool
import_known_dmabuf(struct gl_renderer *gr,
struct dmabuf_image *image)
{
switch (image->import_type) {
case IMPORT_TYPE_DIRECT:
image->images[0] = import_simple_dmabuf(gr, &image->dmabuf->attributes);
if (!image->images[0]) {
/* num_images is already set to 1 when doing the intial
* import so reset it to 0 to avoid passing an empty
* egl_image to dmabuf_destroy */
image->num_images = 0;
return false;
}
break;
case IMPORT_TYPE_GL_CONVERSION:
if (!import_yuv_dmabuf(gr, image))
return false;
break;
default:
weston_log("Invalid import type for dmabuf\n");
return false;
}
return true;
}
static bool
dmabuf_is_opaque(struct linux_dmabuf_buffer *dmabuf)
{
@ -2829,14 +2800,6 @@ gl_renderer_attach_dmabuf(struct weston_surface *surface,
/* The dmabuf_image should have been created during the import */
assert(image != NULL);
for (i = 0; i < image->num_images; ++i)
egl_image_unref(image->images[i]);
if (!import_known_dmabuf(gr, image)) {
linux_dmabuf_buffer_send_server_error(dmabuf, "EGL dmabuf import failed");
return;
}
gs->num_images = image->num_images;
for (i = 0; i < gs->num_images; ++i)
gs->images[i] = egl_image_ref(image->images[i]);