1 files changed, 67 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_resource.c b/src/gallium/drivers/nvfx/nvfx_resource.c
new file mode 100644
index 00000000000..10cdeed2a37
--- /dev/null
+++ b/src/gallium/drivers/nvfx/nvfx_resource.c
@@ -0,0 +1,67 @@
+
+#include "pipe/p_context.h"
+#include "nvfx_resource.h"
+#include "nouveau/nouveau_screen.h"
+
+
+/* This doesn't look quite right - this query is supposed to ask
+ * whether the particular context has references to the resource in
+ * any unflushed rendering command buffer, and hence requires a
+ * pipe->flush() for serializing some modification to that resource.
+ *
+ * This seems to be answering the question of whether the resource is
+ * currently on hardware.
+ */
+static unsigned int
+nvfx_resource_is_referenced(struct pipe_context *pipe,
+			    struct pipe_resource *resource,
+			    unsigned face, unsigned level)
+{
+	return nouveau_reference_flags(nvfx_resource(resource)->bo);
+}
+
+static struct pipe_resource *
+nvfx_resource_create(struct pipe_screen *screen,
+		     const struct pipe_resource *template)
+{
+	if (template->target == PIPE_BUFFER)
+		return nvfx_buffer_create(screen, template);
+	else
+		return nvfx_miptree_create(screen, template);
+}
+
+static struct pipe_resource *
+nvfx_resource_from_handle(struct pipe_screen * screen,
+			  const struct pipe_resource *template,
+			  struct winsys_handle *whandle)
+{
+	if (template->target == PIPE_BUFFER)
+		return NULL;
+	else
+		return nvfx_miptree_from_handle(screen, template, whandle);
+}
+
+void
+nvfx_init_resource_functions(struct pipe_context *pipe)
+{
+	pipe->get_transfer = u_get_transfer_vtbl;
+	pipe->transfer_map = u_transfer_map_vtbl;
+	pipe->transfer_flush_region = u_transfer_flush_region_vtbl;
+	pipe->transfer_unmap = u_transfer_unmap_vtbl;
+	pipe->transfer_destroy = u_transfer_destroy_vtbl;
+	pipe->transfer_inline_write = u_transfer_inline_write_vtbl;
+	pipe->is_resource_referenced = nvfx_resource_is_referenced;
+}
+
+void
+nvfx_screen_init_resource_functions(struct pipe_screen *pscreen)
+{
+	pscreen->resource_create = nvfx_resource_create;
+	pscreen->resource_from_handle = nvfx_resource_from_handle;
+	pscreen->resource_get_handle = u_resource_get_handle_vtbl;
+	pscreen->resource_destroy = u_resource_destroy_vtbl;
+	pscreen->user_buffer_create = nvfx_user_buffer_create;
+   
+	pscreen->get_tex_surface = nvfx_miptree_surface_new;
+	pscreen->tex_surface_destroy = nvfx_miptree_surface_del;
+}