fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-20 02:38:07 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

st/dri: implement the fence interface

Browse source
This commit is contained in:
Marek Olšák 2015-04-10 19:41:39 +02:00
parent a2557b30d8
commit 7070b0dd66
1 changed files with 80 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

80
src/gallium/state_trackers/dri/dri2.c
View file

@ -1251,6 +1251,85 @@ static __DRIimageExtension dri2ImageExtension = {
.getCapabilities = dri2_get_capabilities,
};
struct dri2_fence {
struct pipe_fence_handle *pipe_fence;
};
static void *
dri2_create_fence(__DRIcontext *_ctx)
{
struct pipe_context *ctx = dri_context(_ctx)->st->pipe;
struct dri2_fence *fence = CALLOC_STRUCT(dri2_fence);
if (!fence)
return NULL;
ctx->flush(ctx, &fence->pipe_fence, 0);
if (!fence->pipe_fence) {
FREE(fence);
return NULL;
}
return fence;
}
static void *
dri2_get_fence_from_cl_event(__DRIscreen *_screen, intptr_t cl_event)
{
return NULL;
}
static void
dri2_destroy_fence(__DRIscreen *_screen, void *_fence)
{
struct dri_screen *driscreen = dri_screen(_screen);
struct pipe_screen *screen = driscreen->base.screen;
struct dri2_fence *fence = (struct dri2_fence*)_fence;
if (fence->pipe_fence)
screen->fence_reference(screen, &fence->pipe_fence, NULL);
else
assert(0);
FREE(fence);
}
static GLboolean
dri2_client_wait_sync(__DRIcontext *_ctx, void *_fence, unsigned flags,
uint64_t timeout)
{
struct dri_screen *driscreen = dri_screen(_ctx->driScreenPriv);
struct pipe_screen *screen = driscreen->base.screen;
struct dri2_fence *fence = (struct dri2_fence*)_fence;
/* No need to flush. The context was flushed when the fence was created. */
if (fence->pipe_fence)
return screen->fence_finish(screen, fence->pipe_fence, timeout);
else {
assert(0);
return false;
}
}
static void
dri2_server_wait_sync(__DRIcontext *_ctx, void *_fence, unsigned flags)
{
/* AFAIK, no driver currently supports parallel context execution. */
}
static __DRI2fenceExtension dri2FenceExtension = {
.base = { __DRI2_FENCE, 1 },
.create_fence = dri2_create_fence,
.get_fence_from_cl_event = dri2_get_fence_from_cl_event,
.destroy_fence = dri2_destroy_fence,
.client_wait_sync = dri2_client_wait_sync,
.server_wait_sync = dri2_server_wait_sync
};
/*
* Backend function init_screen.
*/
@ -1262,6 +1341,7 @@ static const __DRIextension *dri_screen_extensions[] = {
&dri2RendererQueryExtension.base,
&dri2ConfigQueryExtension.base,
&dri2ThrottleExtension.base,
&dri2FenceExtension.base,
NULL
};