gallium: add external usage flags to resource_from(get)_handle (v2)

This will allow drivers to make better decisions about texture sharing
for DRI2, DRI3, Wayland, and OpenCL.

v2: add read/write flags, take advantage of __DRI_IMAGE_USE_BACKBUFFER

Reviewed-by: Axel Davy <[email protected]>

2 files changed, 4 insertions, 2 deletions

diff --git a/src/gallium/state_trackers/va/buffer.c b/src/gallium/state_trackers/va/buffer.c
index c2c24d693f2..2fd86612e9a 100644
--- a/src/gallium/state_trackers/va/buffer.c
+++ b/src/gallium/state_trackers/va/buffer.c
@@ -302,7 +302,8 @@ vlVaAcquireBufferHandle(VADriverContextP ctx, VABufferID buf_id,
          memset(&whandle, 0, sizeof(whandle));
          whandle.type = DRM_API_HANDLE_TYPE_FD;
 
-         if (!screen->resource_get_handle(screen, buf->derived_surface.resource, &whandle))
+         if (!screen->resource_get_handle(screen, buf->derived_surface.resource,
+                                          &whandle, PIPE_HANDLE_USAGE_READ_WRITE))
             return VA_STATUS_ERROR_INVALID_BUFFER;
 
          buf_info->handle = (intptr_t)whandle.handle;
diff --git a/src/gallium/state_trackers/va/surface.c b/src/gallium/state_trackers/va/surface.c
index 84a94949c47..861dac260a9 100644
--- a/src/gallium/state_trackers/va/surface.c
+++ b/src/gallium/state_trackers/va/surface.c
@@ -470,7 +470,8 @@ suface_from_external_memory(VADriverContextP ctx, vlVaSurface *surface,
    whandle.handle = memory_attibute->buffers[index];
    whandle.stride = memory_attibute->pitches[index];
 
-   resource = pscreen->resource_from_handle(pscreen, &res_templ, &whandle);
+   resource = pscreen->resource_from_handle(pscreen, &res_templ, &whandle,
+                                            PIPE_HANDLE_USAGE_READ_WRITE);
 
    if (!resource)
       return VA_STATUS_ERROR_ALLOCATION_FAILED;