fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-04-25 02:40:46 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

drivers/svga: Connect driver-side fence_* functions

Browse source 
Connect fence_get_fd, fence_create_fd, and fence_server_sync.
Return PIPE_CAP_NATIVE_FENCE_FD capability based on what the
winsys reports

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
This commit is contained in:
Sinclair Yeh 2017-05-15 16:22:53 -07:00 • committed by Brian Paul
parent 4da543e30a
commit 56a6e890f3
2 changed files with 56 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
src/gallium/drivers/svga/svga_pipe_flush.c
View file

@ -42,6 +42,9 @@ static void svga_flush( struct pipe_context *pipe,
*/
svga_surfaces_flush( svga );
if (flags & PIPE_FLUSH_FENCE_FD)
svga->swc->hints |= SVGA_HINT_FLAG_EXPORT_FENCE_FD;
/* Flush command queue.
*/
svga_context_flush(svga, fence);
@ -71,7 +74,45 @@ static void svga_flush( struct pipe_context *pipe,
}
/**
* svga_create_fence_fd
*
* Wraps a SVGA fence around an imported file descriptor. This
* fd represents a fence from another process/device. The fence created
* here can then be fed into fence_server_sync() so SVGA can synchronize
* with an external process
*/
static void
svga_create_fence_fd(struct pipe_context *pipe,
struct pipe_fence_handle **fence,
int fd)
{
struct svga_winsys_screen *sws = svga_winsys_screen(pipe->screen);
sws->fence_create_fd(sws, fence, fd);
}
/**
* svga_fence_server_sync
*
* This function imports a fence from another process/device into the current
* software context so that SVGA can synchronize with it.
*/
static void
svga_fence_server_sync(struct pipe_context *pipe,
struct pipe_fence_handle *fence)
{
struct svga_winsys_screen *sws = svga_winsys_screen(pipe->screen);
struct svga_context *svga = svga_context(pipe);
sws->fence_server_sync(sws, &svga->swc->imported_fence_fd, fence);
}
void svga_init_flush_functions( struct svga_context *svga )
{
svga->pipe.flush = svga_flush;
svga->pipe.create_fence_fd = svga_create_fence_fd;
svga->pipe.fence_server_sync = svga_fence_server_sync;
}

16
src/gallium/drivers/svga/svga_screen.c
View file

@ -337,6 +337,9 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_GENERATE_MIPMAP:
return sws->have_generate_mipmap_cmd;
case PIPE_CAP_NATIVE_FENCE_FD:
return sws->have_fence_fd;
/* Unsupported features */
case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
@ -380,7 +383,6 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_PCI_DEVICE:
case PIPE_CAP_PCI_FUNCTION:
case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
case PIPE_CAP_NATIVE_FENCE_FD:
return 0;
case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
return 64;
@ -863,6 +865,16 @@ svga_fence_finish(struct pipe_screen *screen,
}
static int
svga_fence_get_fd(struct pipe_screen *screen,
struct pipe_fence_handle *fence)
{
struct svga_winsys_screen *sws = svga_screen(screen)->sws;
return sws->fence_get_fd(sws, fence, TRUE);
}
static int
svga_get_driver_query_info(struct pipe_screen *screen,
unsigned index,
@ -1024,6 +1036,8 @@ svga_screen_create(struct svga_winsys_screen *sws)
screen->context_create = svga_context_create;
screen->fence_reference = svga_fence_reference;
screen->fence_finish = svga_fence_finish;
screen->fence_get_fd = svga_fence_get_fd;
screen->get_driver_query_info = svga_get_driver_query_info;
svgascreen->sws = sws;