gallium: kill is_resource_referenced

Only st/xorg used it and even incorrectly with regards to pipelined transfers.

3 files changed, 0 insertions, 64 deletions

diff --git a/src/gallium/drivers/svga/svga_resource.c b/src/gallium/drivers/svga/svga_resource.c
index bed15ec02e..6e0622a312 100644
--- a/src/gallium/drivers/svga/svga_resource.c
+++ b/src/gallium/drivers/svga/svga_resource.c
@@ -33,7 +33,6 @@ svga_resource_from_handle(struct pipe_screen * screen,
 void
 svga_init_resource_functions(struct svga_context *svga)
 {
-   svga->pipe.is_resource_referenced = u_is_resource_referenced_vtbl;
    svga->pipe.get_transfer = u_get_transfer_vtbl;
    svga->pipe.transfer_map = u_transfer_map_vtbl;
    svga->pipe.transfer_flush_region = u_transfer_flush_region_vtbl;
diff --git a/src/gallium/drivers/svga/svga_resource_buffer.c b/src/gallium/drivers/svga/svga_resource_buffer.c
index e1f07d655b..b0e6d96b73 100644
--- a/src/gallium/drivers/svga/svga_resource_buffer.c
+++ b/src/gallium/drivers/svga/svga_resource_buffer.c
@@ -51,42 +51,6 @@ svga_buffer_needs_hw_storage(unsigned usage)
 }
 
 
-static unsigned int
-svga_buffer_is_referenced( struct pipe_context *pipe,
-                           struct pipe_resource *buf,
-                           unsigned level, int layer)
-{
-   struct svga_screen *ss = svga_screen(pipe->screen);
-   struct svga_buffer *sbuf = svga_buffer(buf);
-
-   /**
-    * XXX: Check this.
-    * The screen may cache buffer writes, but when we map, we map out
-    * of those cached writes, so we don't need to set a
-    * PIPE_REFERENCED_FOR_WRITE flag for cached buffers.
-    */
-
-   if (!sbuf->handle || ss->sws->surface_is_flushed(ss->sws, sbuf->handle))
-     return PIPE_UNREFERENCED;
-
-   /**
-    * sws->surface_is_flushed() does not distinguish between read references
-    * and write references. So assume a reference is both,
-    * however, we make an exception for index- and vertex buffers, to avoid
-    * a flush in st_bufferobj_get_subdata, during display list replay.
-    */
-
-   if (sbuf->b.b.bind & (PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER))
-      return PIPE_REFERENCED_FOR_READ;
-
-   return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
-}
-
-
-
-
-
-
 static void *
 svga_buffer_map_range( struct pipe_screen *screen,
                        struct pipe_resource *buf,
@@ -274,7 +238,6 @@ struct u_resource_vtbl svga_buffer_vtbl =
 {
    u_default_resource_get_handle,      /* get_handle */
    svga_buffer_destroy,		     /* resource_destroy */
-   svga_buffer_is_referenced,	     /* is_resource_referenced */
    u_default_get_transfer,	     /* get_transfer */
    u_default_transfer_destroy,	     /* transfer_destroy */
    svga_buffer_transfer_map,	     /* transfer_map */
diff --git a/src/gallium/drivers/svga/svga_resource_texture.c b/src/gallium/drivers/svga/svga_resource_texture.c
index f882bfef59..b61f85955a 100644
--- a/src/gallium/drivers/svga/svga_resource_texture.c
+++ b/src/gallium/drivers/svga/svga_resource_texture.c
@@ -48,31 +48,6 @@
 #define SVGA3D_SURFACE_HINT_SCANOUT (1 << 9)
 
 
-static unsigned int
-svga_texture_is_referenced( struct pipe_context *pipe,
-                            struct pipe_resource *texture,
-                            unsigned level, int layer)
-{
-   struct svga_texture *tex = svga_texture(texture);
-   struct svga_screen *ss = svga_screen(pipe->screen);
-
-   /**
-    * The screen does not cache texture writes.
-    */
-
-   if (!tex->handle || ss->sws->surface_is_flushed(ss->sws, tex->handle))
-      return PIPE_UNREFERENCED;
-
-   /**
-    * sws->surface_is_flushed() does not distinguish between read references
-    * and write references. So assume a reference is both.
-    */
-
-   return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
-}
-
-
-
 /*
  * Helper function and arrays
  */
@@ -505,7 +480,6 @@ struct u_resource_vtbl svga_texture_vtbl =
 {
    svga_texture_get_handle,	      /* get_handle */
    svga_texture_destroy,	      /* resource_destroy */
-   svga_texture_is_referenced,	      /* is_resource_referenced */
    svga_texture_get_transfer,	      /* get_transfer */
    svga_texture_transfer_destroy,     /* transfer_destroy */
    svga_texture_transfer_map,	      /* transfer_map */