We try to avoid sharing all resources with KMS side of renderonly, as this
adds some overhead that isn't really needed for most resources. If
someone tries to validate a resource for scanout, this is a good indication
that the sharing with the KMS side is actually needed.
Signed-off-by: Lucas Stach <l.st...@pengutronix.de>
---
.../drivers/etnaviv/etnaviv_resource.c | 22 +++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/src/gallium/drivers/etnaviv/etnaviv_resource.c
b/src/gallium/drivers/etnaviv/etnaviv_resource.c
index c00912880309..cd846e3ae36e 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_resource.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_resource.c
@@ -624,6 +624,27 @@ etna_resource_get_handle(struct pipe_screen *pscreen,
}
}
+static bool
+etna_check_resource_capability(struct pipe_screen *pscreen,
+ struct pipe_resource *prsc,
+ unsigned bind)
+{
+ struct etna_screen *screen = etna_screen(pscreen);
+ struct etna_resource *rsc = etna_resource(prsc);
+
+ if ((bind & PIPE_BIND_LINEAR) && rsc->layout != ETNA_LAYOUT_LINEAR)
+ return false;
+
+ if ((bind & PIPE_BIND_SCANOUT) && !rsc->scanout) {
+ rsc->scanout = renderonly_create_gpu_import_for_resource(prsc,
screen->ro,
+ NULL);
+ if (!rsc->scanout)
+ return false;
+ }
+
+ return true;
+}
+
void
etna_resource_used(struct etna_context *ctx, struct pipe_resource *prsc,
enum etna_resource_status status)
@@ -667,4 +688,5 @@ etna_resource_screen_init(struct pipe_screen *pscreen)
pscreen->resource_get_handle = etna_resource_get_handle;
pscreen->resource_changed = etna_resource_changed;
pscreen->resource_destroy = etna_resource_destroy;
+ pscreen->check_resource_capability = etna_check_resource_capability;
}
--
2.19.1
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