[Mesa-dev] [PATCH 6/8] st/va: remove fence handling
Christian König
deathsimple at vodafone.de
Mon Dec 14 02:11:53 PST 2015
> Also note that in this pipeline, HW decoding is done with nouveau
> driver and rendering is done with intel. dmabuf in between.
Yeah, I already thought that somebody is using it like this. I'm not
sure if this is actually supposed to work because we don't have proper
synchronization between kernel drivers with DMA-buf jet.
> Maybe the idea of the patch is good but something is still wrong.
While it is not the proper solution I would say let's keep the pipeline
draining during exporting the handle for now if that's really necessary
for your use case. Please test the attached patch.
Coding the patch I've just noticed that there wasn't a pipe->flush()
before exporting the handle. Does it work as well if you just flush the
pipeline without waiting for the commands to be finished?
Regards,
Christian.
On 14.12.2015 10:14, Julien Isorce wrote:
> Hi Christian,
>
> I have tested this patch but then the displayed video is garbage
> (mostly white and sometimes just garbage). It also stall the nouveau
> driver which requires to reboot but I guess this is another issue.
> I tested with:
> GST_GL_WINDOW=x11 GST_GL_PLATFORM=egl GST_GL_API=gles2 GST_DEBUG=2
> LIBVA_DRIVER_NAME=gallium gst-launch-1.0 filesrc location=simpson.mp4
> ! qtdemux ! vaapidecodebin ! glimagesink
>
> (to test that you need my gstreamer-vaapi and gstgl branches on my
> github but I would not waste time to try them since they should be
> merged upstream at some point)
>
> Also note that in this pipeline, HW decoding is done with nouveau
> driver and rendering is done with intel. dmabuf in between.
>
> Maybe the idea of the patch is good but something is still wrong.
> I can test any update if it helps.
>
> Cheers
> Julien
>
>
>
>
> On 11 December 2015 at 12:33, Christian König <deathsimple at vodafone.de
> <mailto:deathsimple at vodafone.de>> wrote:
>
> From: Christian König <christian.koenig at amd.com
> <mailto:christian.koenig at amd.com>>
>
> It's nonsense to drain the pipeline like this.
>
> Signed-off-by: Christian König <christian.koenig at amd.com
> <mailto:christian.koenig at amd.com>>
> ---
> src/gallium/state_trackers/va/buffer.c | 5 -----
> src/gallium/state_trackers/va/image.c | 1 -
> src/gallium/state_trackers/va/postproc.c | 6 ------
> src/gallium/state_trackers/va/surface.c | 10 +---------
> src/gallium/state_trackers/va/va_private.h | 2 --
> 5 files changed, 1 insertion(+), 23 deletions(-)
>
> diff --git a/src/gallium/state_trackers/va/buffer.c
> b/src/gallium/state_trackers/va/buffer.c
> index 769305e..2ec187c 100644
> --- a/src/gallium/state_trackers/va/buffer.c
> +++ b/src/gallium/state_trackers/va/buffer.c
> @@ -257,11 +257,6 @@ vlVaAcquireBufferHandle(VADriverContextP ctx,
> VABufferID buf_id,
>
> screen = VL_VA_PSCREEN(ctx);
>
> - if (buf->derived_surface.fence) {
> - screen->fence_finish(screen, buf->derived_surface.fence,
> PIPE_TIMEOUT_INFINITE);
> - screen->fence_reference(screen,
> &buf->derived_surface.fence, NULL);
> - }
> -
> if (buf->export_refcount > 0) {
> if (buf->export_state.mem_type != mem_type)
> return VA_STATUS_ERROR_INVALID_PARAMETER;
> diff --git a/src/gallium/state_trackers/va/image.c
> b/src/gallium/state_trackers/va/image.c
> index ae07da8..58c9ff7 100644
> --- a/src/gallium/state_trackers/va/image.c
> +++ b/src/gallium/state_trackers/va/image.c
> @@ -266,7 +266,6 @@ vlVaDeriveImage(VADriverContextP ctx,
> VASurfaceID surface, VAImage *image)
> img_buf->type = VAImageBufferType;
> img_buf->size = image->data_size;
> img_buf->num_elements = 1;
> - img_buf->derived_surface.fence = surf->fence;
>
> pipe_resource_reference(&img_buf->derived_surface.resource,
> surfaces[0]->texture);
>
> diff --git a/src/gallium/state_trackers/va/postproc.c
> b/src/gallium/state_trackers/va/postproc.c
> index 105f251..1ee3587 100644
> --- a/src/gallium/state_trackers/va/postproc.c
> +++ b/src/gallium/state_trackers/va/postproc.c
> @@ -54,7 +54,6 @@
> vlVaHandleVAProcPipelineParameterBufferType(vlVaDriver *drv,
> vlVaContext *contex
> vlVaSurface *src_surface;
> VAProcPipelineParameterBuffer *pipeline_param;
> struct pipe_surface **surfaces;
> - struct pipe_screen *screen;
> struct pipe_surface *psurf;
>
> if (!drv || !context)
> @@ -77,8 +76,6 @@
> vlVaHandleVAProcPipelineParameterBufferType(vlVaDriver *drv,
> vlVaContext *contex
> if (!surfaces || !surfaces[0])
> return VA_STATUS_ERROR_INVALID_SURFACE;
>
> - screen = drv->pipe->screen;
> -
> psurf = surfaces[0];
>
> src_region = vlVaRegionDefault(pipeline_param->surface_region,
> src_surface->buffer, &def_src_region);
> @@ -99,9 +96,6 @@
> vlVaHandleVAProcPipelineParameterBufferType(vlVaDriver *drv,
> vlVaContext *contex
> vl_compositor_set_layer_dst_area(&drv->cstate, 0, &dst_rect);
> vl_compositor_render(&drv->cstate, &drv->compositor, psurf,
> NULL, false);
>
> - screen->fence_reference(screen, &src_surface->fence, NULL);
> - drv->pipe->flush(drv->pipe, &src_surface->fence, 0);
> -
> return VA_STATUS_SUCCESS;
> }
>
> diff --git a/src/gallium/state_trackers/va/surface.c
> b/src/gallium/state_trackers/va/surface.c
> index 4a18a6f..5ddaf04 100644
> --- a/src/gallium/state_trackers/va/surface.c
> +++ b/src/gallium/state_trackers/va/surface.c
> @@ -72,8 +72,6 @@ vlVaDestroySurfaces(VADriverContextP ctx,
> VASurfaceID *surface_list, int num_sur
> vlVaSurface *surf = handle_table_get(drv->htab,
> surface_list[i]);
> if (surf->buffer)
> surf->buffer->destroy(surf->buffer);
> - if(surf->fence)
> - drv->pipe->screen->fence_reference(drv->pipe->screen,
> &surf->fence, NULL);
> util_dynarray_fini(&surf->subpics);
> FREE(surf);
> handle_table_remove(drv->htab, surface_list[i]);
> @@ -245,11 +243,6 @@ vlVaPutSurface(VADriverContextP ctx,
> VASurfaceID surface_id, void* draw, short s
> screen = drv->pipe->screen;
> vscreen = drv->vscreen;
>
> - if(surf->fence) {
> - screen->fence_finish(screen, surf->fence,
> PIPE_TIMEOUT_INFINITE);
> - screen->fence_reference(screen, &surf->fence, NULL);
> - }
> -
> tex = vscreen->texture_from_drawable(vscreen, draw);
> if (!tex)
> return VA_STATUS_ERROR_INVALID_DISPLAY;
> @@ -281,8 +274,7 @@ vlVaPutSurface(VADriverContextP ctx,
> VASurfaceID surface_id, void* draw, short s
> screen->flush_frontbuffer(screen, tex, 0, 0,
> vscreen->get_private(vscreen), NULL);
>
> - screen->fence_reference(screen, &surf->fence, NULL);
> - drv->pipe->flush(drv->pipe, &surf->fence, 0);
> + drv->pipe->flush(drv->pipe, NULL, 0);
>
> pipe_resource_reference(&tex, NULL);
> pipe_surface_reference(&surf_draw, NULL);
> diff --git a/src/gallium/state_trackers/va/va_private.h
> b/src/gallium/state_trackers/va/va_private.h
> index 6739efc..fa6e0fb 100644
> --- a/src/gallium/state_trackers/va/va_private.h
> +++ b/src/gallium/state_trackers/va/va_private.h
> @@ -244,7 +244,6 @@ typedef struct {
> struct {
> struct pipe_resource *resource;
> struct pipe_transfer *transfer;
> - struct pipe_fence_handle *fence;
> } derived_surface;
> unsigned int export_refcount;
> VABufferInfo export_state;
> @@ -252,7 +251,6 @@ typedef struct {
>
> typedef struct {
> struct pipe_video_buffer templat, *buffer;
> - struct pipe_fence_handle *fence;
> struct util_dynarray subpics; /* vlVaSubpicture */
> } vlVaSurface;
>
> --
> 2.5.0
>
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