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]>

1 files changed, 4 insertions, 2 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index ae266ceb082..c2ca8b8d6a0 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -434,7 +434,8 @@ llvmpipe_resource_data(struct pipe_resource *resource)
 static struct pipe_resource *
 llvmpipe_resource_from_handle(struct pipe_screen *screen,
                               const struct pipe_resource *template,
-                              struct winsys_handle *whandle)
+                              struct winsys_handle *whandle,
+                              unsigned usage)
 {
    struct sw_winsys *winsys = llvmpipe_screen(screen)->winsys;
    struct llvmpipe_resource *lpr;
@@ -485,7 +486,8 @@ no_lpr:
 static boolean
 llvmpipe_resource_get_handle(struct pipe_screen *screen,
                             struct pipe_resource *pt,
-                            struct winsys_handle *whandle)
+                            struct winsys_handle *whandle,
+                             unsigned usage)
 {
    struct sw_winsys *winsys = llvmpipe_screen(screen)->winsys;
    struct llvmpipe_resource *lpr = llvmpipe_resource(pt);