st/vdpau: implement the new DMA-buf based interop v2

That should allow us to get away from passing internal structures around.

v2: rebased

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>

1 files changed, 40 insertions, 1 deletions

diff --git a/src/gallium/state_trackers/vdpau/output.c b/src/gallium/state_trackers/vdpau/output.c
index 738e7c7..c644cc8 100644
--- a/src/gallium/state_trackers/vdpau/output.c
+++ b/src/gallium/state_trackers/vdpau/output.c
@@ -36,6 +36,8 @@
 
 #include "vl/vl_csc.h"
 
+#include "state_tracker/drm_driver.h"
+
 #include "vdpau_private.h"
 
 /**
@@ -80,7 +82,7 @@ vlVdpOutputSurfaceCreate(VdpDevice device,
    res_tmpl.depth0 = 1;
    res_tmpl.array_size = 1;
    res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET |
-                   PIPE_BIND_LINEAR;
+                   PIPE_BIND_LINEAR | PIPE_BIND_SHARED;
    res_tmpl.usage = PIPE_USAGE_DEFAULT;
 
    pipe_mutex_lock(dev->mutex);
@@ -764,3 +766,40 @@ struct pipe_resource *vlVdpOutputSurfaceGallium(VdpOutputSurface surface)
 
    return vlsurface->surface->texture;
 }
+
+VdpStatus vlVdpOutputSurfaceDMABuf(VdpVideoSurface surface,
+                                   struct VdpSurfaceDMABufDesc *result)
+{
+   vlVdpOutputSurface *vlsurface;
+   struct pipe_screen *pscreen;
+   struct winsys_handle whandle;
+
+   memset(result, 0, sizeof(*result));
+   result->handle = -1;
+
+   vlsurface = vlGetDataHTAB(surface);
+   if (!vlsurface || !vlsurface->surface)
+      return VDP_STATUS_INVALID_HANDLE;
+
+   pipe_mutex_lock(vlsurface->device->mutex);
+   vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
+   vlsurface->device->context->flush(vlsurface->device->context, NULL, 0);
+   pipe_mutex_unlock(vlsurface->device->mutex);
+
+   memset(&whandle, 0, sizeof(struct winsys_handle));
+   whandle.type = DRM_API_HANDLE_TYPE_FD;
+
+   pscreen = vlsurface->surface->texture->screen;
+   if (!pscreen->resource_get_handle(pscreen, vlsurface->surface->texture, &whandle,
+				     PIPE_HANDLE_USAGE_READ_WRITE))
+      return VDP_STATUS_NO_IMPLEMENTATION;
+
+   result->handle = whandle.handle;
+   result->width = vlsurface->surface->width;
+   result->height = vlsurface->surface->height;
+   result->offset = whandle.offset;
+   result->stride = whandle.stride;
+   result->format = PipeToFormatRGBA(vlsurface->surface->format);
+
+   return VDP_STATUS_OK;
+}