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wined3d: Treat NOOVERWRITE maps on a previously discarded buffer as if they were DISCARD maps.

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For the purposes of wined3d_cs_map_upload_bo().

That is, if a buffer was just created or just discarded [e.g. with
wined3d_device_evict_managed_resources()], and then subsequently mapped with
WINED3D_MAP_NOOVERWRITE, treat it as if it had been mapped with
WINED3D_MAP_DISCARD instead, thus allowing the adapter_alloc_upload_bo callback
to allocate a new buffer from the client thread.

This was the source of a bunch of stalls in Grand Theft Auto V, although it's
hard to measure a difference in performance.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2022-02-17 23:01:39 -06:00 committed by Alexandre Julliard
parent 1b1b03055d
commit 83fc1807f9
3 changed files with 17 additions and 1 deletions
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3
dlls/wined3d/buffer.c
View file

@ -1321,6 +1321,9 @@ static HRESULT wined3d_buffer_init(struct wined3d_buffer *buffer, struct wined3d
}
buffer->maps_size = 1;
if (buffer->locations & WINED3D_LOCATION_DISCARDED)
buffer->resource.client.addr.buffer_object = CLIENT_BO_DISCARDED;
if (data)
wined3d_buffer_init_data(buffer, device, data);

13
dlls/wined3d/cs.c
View file

@ -67,6 +67,14 @@ struct wined3d_command_list
struct wined3d_deferred_query_issue *queries;
};
static void discard_client_address(struct wined3d_resource *resource)
{
struct wined3d_client_resource *client = &resource->client;
client->addr.buffer_object = CLIENT_BO_DISCARDED;
client->addr.addr = NULL;
}
static void invalidate_client_address(struct wined3d_resource *resource)
{
struct wined3d_client_resource *client = &resource->client;
@ -2430,7 +2438,7 @@ void wined3d_cs_emit_unload_resource(struct wined3d_cs *cs, struct wined3d_resou
{
struct wined3d_cs_unload_resource *op;
invalidate_client_address(resource);
discard_client_address(resource);
op = wined3d_device_context_require_space(&cs->c, sizeof(*op), WINED3D_CS_QUEUE_DEFAULT);
op->opcode = WINED3D_CS_OP_UNLOAD_RESOURCE;
@ -3134,6 +3142,9 @@ static bool wined3d_cs_map_upload_bo(struct wined3d_device_context *context, str
return NULL;
}
if ((flags & WINED3D_MAP_NOOVERWRITE) && client->addr.buffer_object == CLIENT_BO_DISCARDED)
flags = (flags & ~WINED3D_MAP_NOOVERWRITE) | WINED3D_MAP_DISCARD;
if (flags & WINED3D_MAP_DISCARD)
{
if (!device->adapter->adapter_ops->adapter_alloc_bo(device, resource, sub_resource_idx, &addr))

2
dlls/wined3d/wined3d_private.h
View file

@ -4276,6 +4276,8 @@ static inline ULONG wined3d_atomic_decrement_mutex_lock(volatile LONG *refcount)
return count - 1;
}
#define CLIENT_BO_DISCARDED ((struct wined3d_bo *)~(UINT_PTR)0)
struct wined3d_client_resource
{
/* The resource's persistently mapped address, which we may use to perform