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xwayland: Check for scanout support in tranches 

The helper function xwl_feedback_is_modifier_supported() walks all the
formats of a feeedback tranche and checks for format/modifier support
availability.

Add scanout support to that so that a caller can easily restrict the
tranches to those which support scanout.

This is preparation work for the implicit scanout support, no functional
change.

Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
This commit is contained in:
Olivier Fourdan 2023-03-28 14:18:36 +02:00
parent 1a0cc25d48
commit 79ab129fdf
1 changed files with 7 additions and 3 deletions
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10
hw/xwayland/xwayland-glamor.c
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@ -124,11 +124,15 @@ xwl_glamor_is_modifier_supported_in_formats(struct xwl_format *formats, int num_
static Bool
xwl_feedback_is_modifier_supported(struct xwl_dmabuf_feedback *xwl_feedback,
uint32_t format, uint64_t modifier)
uint32_t format, uint64_t modifier,
int supports_scanout)
{
for (int i = 0; i < xwl_feedback->dev_formats_len; i++) {
struct xwl_device_formats *dev_formats = &xwl_feedback->dev_formats[i];
if (supports_scanout && !dev_formats->supports_scanout)
continue;
if (xwl_glamor_is_modifier_supported_in_formats(dev_formats->formats,
dev_formats->num_formats,
format, modifier))
@ -157,11 +161,11 @@ xwl_glamor_is_modifier_supported(struct xwl_screen *xwl_screen,
format, modifier);
}
if (xwl_feedback_is_modifier_supported(&xwl_screen->default_feedback, format, modifier))
if (xwl_feedback_is_modifier_supported(&xwl_screen->default_feedback, format, modifier, FALSE))
return TRUE;
xorg_list_for_each_entry(xwl_window, &xwl_screen->window_list, link_window) {
if (xwl_feedback_is_modifier_supported(&xwl_window->feedback, format, modifier))
if (xwl_feedback_is_modifier_supported(&xwl_window->feedback, format, modifier, FALSE))
return TRUE;
}