nvc0: import nvc0 gallium driver

1 files changed, 71 insertions, 0 deletions

diff --git a/src/gallium/drivers/nvc0/nvc0_resource.c b/src/gallium/drivers/nvc0/nvc0_resource.c
new file mode 100644
index 0000000000..181d917f22
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_resource.c
@@ -0,0 +1,71 @@
+
+#include "pipe/p_context.h"
+#include "nvc0_resource.h"
+#include "nouveau/nouveau_screen.h"
+
+static unsigned
+nvc0_resource_is_referenced(struct pipe_context *pipe,
+                            struct pipe_resource *resource,
+                            unsigned face, unsigned level)
+{
+   struct nvc0_resource *res = nvc0_resource(resource);
+   unsigned flags = 0;
+
+#ifdef NOUVEAU_USERSPACE_MM
+   flags = res->status;
+#else
+   unsigned bo_flags = nouveau_bo_pending(res->bo);
+   if (bo_flags & NOUVEAU_BO_RD)
+      flags = PIPE_REFERENCED_FOR_READ;
+   if (bo_flags & NOUVEAU_BO_WR)
+      flags |= PIPE_REFERENCED_FOR_WRITE;
+#endif
+   return flags;
+}
+
+static struct pipe_resource *
+nvc0_resource_create(struct pipe_screen *screen,
+                     const struct pipe_resource *templ)
+{
+   switch (templ->target) {
+   case PIPE_BUFFER:
+      return nvc0_buffer_create(screen, templ);
+   default:
+      return nvc0_miptree_create(screen, templ);
+   }
+}
+
+static struct pipe_resource *
+nvc0_resource_from_handle(struct pipe_screen * screen,
+                          const struct pipe_resource *templ,
+                          struct winsys_handle *whandle)
+{
+   if (templ->target == PIPE_BUFFER)
+      return NULL;
+   else
+      return nvc0_miptree_from_handle(screen, templ, whandle);
+}
+
+void
+nvc0_init_resource_functions(struct pipe_context *pcontext)
+{
+   pcontext->get_transfer = u_get_transfer_vtbl;
+   pcontext->transfer_map = u_transfer_map_vtbl;
+   pcontext->transfer_flush_region = u_transfer_flush_region_vtbl;
+   pcontext->transfer_unmap = u_transfer_unmap_vtbl;
+   pcontext->transfer_destroy = u_transfer_destroy_vtbl;
+   pcontext->transfer_inline_write = u_transfer_inline_write_vtbl;
+   pcontext->is_resource_referenced = nvc0_resource_is_referenced;
+}
+
+void
+nvc0_screen_init_resource_functions(struct pipe_screen *pscreen)
+{
+   pscreen->resource_create = nvc0_resource_create;
+   pscreen->resource_from_handle = nvc0_resource_from_handle;
+   pscreen->resource_get_handle = u_resource_get_handle_vtbl;
+   pscreen->resource_destroy = u_resource_destroy_vtbl;
+   pscreen->user_buffer_create = nvc0_user_buffer_create;
+   pscreen->get_tex_surface = nvc0_miptree_surface_new;
+   pscreen->tex_surface_destroy = nvc0_miptree_surface_del;
+}