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screen-cast/src: Add debug logging when creating buffers

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Add some debug logging that allows checking whether we're using DMA
buffers for screencasting or system memory buffers. This can be useful
for debugging screencasting performance and CPU usage.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2256>
This commit is contained in:
Jonas Dreßler 2022-01-25 14:59:40 +01:00 committed by Marge Bot
parent cb07e7a7d4
commit 38f3bf6ee2
1 changed files with 8 additions and 0 deletions
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8
src/backends/meta-screen-cast-stream-src.c
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@ -859,6 +859,10 @@ on_stream_add_buffer (void *data,
if (dmabuf_handle)
{
meta_topic (META_DEBUG_SCREEN_CAST,
"Allocating DMA buffer for pw_stream %u",
pw_stream_get_node_id (priv->pipewire_stream));
spa_data[0].type = SPA_DATA_DmaBuf;
spa_data[0].flags = SPA_DATA_FLAG_READWRITE;
spa_data[0].fd = cogl_dma_buf_handle_get_fd (dmabuf_handle);
@ -878,6 +882,10 @@ on_stream_add_buffer (void *data,
return;
}
meta_topic (META_DEBUG_SCREEN_CAST,
"Allocating MemFd buffer for pw_stream %u",
pw_stream_get_node_id (priv->pipewire_stream));
/* Fallback to a memfd buffer */
spa_data[0].type = SPA_DATA_MemFd;
spa_data[0].flags = SPA_DATA_FLAG_READWRITE;