nvc0: add support for texture gather

[mesa.git] / src / gallium / drivers / nouveau / nvc0 / nvc0_screen.c

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index f84c41b49790660a7e0c9b9ce26e675662047887..1ee6f727a4675a4c3f9910f3af140ddcfec08cc8 100644 (file)
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -174,7 +174,16 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_ENDIANNESS:
       return PIPE_ENDIAN_LITTLE;
    case PIPE_CAP_TGSI_VS_LAYER:
+   case PIPE_CAP_TEXTURE_GATHER_SM5:
+   case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
+   case PIPE_CAP_FAKE_SW_MSAA:
       return 0;
+   case PIPE_CAP_MAX_VIEWPORTS:
+      return 1;
+   case PIPE_CAP_TEXTURE_QUERY_LOD:
+      return 1;
+   case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
+      return 4;
    default:
       NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
       return 0;
@@ -331,8 +340,18 @@ nvc0_screen_destroy(struct pipe_screen *pscreen)
 {
    struct nvc0_screen *screen = nvc0_screen(pscreen);
 
+   if (!nouveau_drm_screen_unref(&screen->base))
+      return;
+
    if (screen->base.fence.current) {
-      nouveau_fence_wait(screen->base.fence.current);
+      struct nouveau_fence *current = NULL;
+
+      /* nouveau_fence_wait will create a new current fence, so wait on the
+       * _current_ one, and remove both.
+       */
+      nouveau_fence_ref(screen->base.fence.current, &current);
+      nouveau_fence_wait(current);
+      nouveau_fence_ref(NULL, &current);
       nouveau_fence_ref(NULL, &screen->base.fence.current);
    }
    if (screen->base.pushbuf)