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wayland/dma-buf: Add tranche priorities

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Unused for now, but will be added to prioritize scanout tranches higher
than render only ones.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1959>
This commit is contained in:
Jonas Ådahl 2021-08-06 16:20:14 +02:00 committed by Marge Bot
parent 9c942a43d6
commit 9a47766a96
1 changed files with 32 additions and 4 deletions
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36
src/wayland/meta-wayland-dma-buf.c
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@ -76,6 +76,12 @@ typedef enum _MetaWaylandDmaBufTrancheFlags
META_WAYLAND_DMA_BUF_TRANCHE_FLAG_SCANOUT = 1,
} MetaWaylandDmaBufTrancheFlags;
typedef enum _MetaWaylandDmaBufTranchePriority
{
META_WAYLAND_DMA_BUF_TRANCHE_PRIORITY_HIGH = 0,
META_WAYLAND_DMA_BUF_TRANCHE_PRIORITY_DEFAULT = 10,
} MetaWaylandDmaBufTranchePriority;
typedef struct _MetaWaylandDmaBufFormat
{
uint32_t drm_format;
@ -85,6 +91,7 @@ typedef struct _MetaWaylandDmaBufFormat
typedef struct _MetaWaylandDmaBufTranche
{
MetaWaylandDmaBufTranchePriority priority;
dev_t target_device_id;
GArray *formats;
MetaWaylandDmaBufTrancheFlags flags;
@ -127,16 +134,33 @@ G_DEFINE_TYPE (MetaWaylandDmaBufBuffer, meta_wayland_dma_buf_buffer, G_TYPE_OBJE
G_DEFINE_TYPE (MetaWaylandDmaBufManager, meta_wayland_dma_buf_manager,
G_TYPE_OBJECT)
static gint
compare_tranches (gconstpointer a,
gconstpointer b)
{
const MetaWaylandDmaBufTranche *tranche_a = a;
const MetaWaylandDmaBufTranche *tranche_b = b;
if (tranche_a->priority > tranche_b->priority)
return 1;
if (tranche_a->priority < tranche_b->priority)
return -1;
else
return 0;
}
static MetaWaylandDmaBufTranche *
meta_wayland_dma_buf_tranche_new (dev_t device_id,
GArray *formats,
MetaWaylandDmaBufTrancheFlags flags)
meta_wayland_dma_buf_tranche_new (dev_t device_id,
GArray *formats,
MetaWaylandDmaBufTranchePriority priority,
MetaWaylandDmaBufTrancheFlags flags)
{
MetaWaylandDmaBufTranche *tranche;
tranche = g_new0 (MetaWaylandDmaBufTranche, 1);
tranche->target_device_id = device_id;
tranche->formats = g_array_copy (formats);
tranche->priority = priority;
tranche->flags = flags;
return tranche;
@ -217,7 +241,8 @@ static void
meta_wayland_dma_buf_feedback_add_tranche (MetaWaylandDmaBufFeedback *feedback,
MetaWaylandDmaBufTranche *tranche)
{
feedback->tranches = g_list_append (feedback->tranches, tranche);
feedback->tranches = g_list_insert_sorted (feedback->tranches, tranche,
compare_tranches);
}
static MetaWaylandDmaBufFeedback *
@ -1053,15 +1078,18 @@ init_formats (MetaWaylandDmaBufManager *dma_buf_manager,
static void
init_default_feedback (MetaWaylandDmaBufManager *dma_buf_manager)
{
MetaWaylandDmaBufTranchePriority priority;
MetaWaylandDmaBufTrancheFlags flags;
MetaWaylandDmaBufTranche *tranche;
dma_buf_manager->default_feedback =
meta_wayland_dma_buf_feedback_new (dma_buf_manager->main_device_id);
priority = META_WAYLAND_DMA_BUF_TRANCHE_PRIORITY_DEFAULT;
flags = META_WAYLAND_DMA_BUF_TRANCHE_FLAG_NONE;
tranche = meta_wayland_dma_buf_tranche_new (dma_buf_manager->main_device_id,
dma_buf_manager->formats,
priority,
flags);
meta_wayland_dma_buf_feedback_add_tranche (dma_buf_manager->default_feedback,
tranche);