1 files changed, 86 insertions, 0 deletions
diff --git a/lib/mesa/src/gallium/winsys/kmsro/drm/kmsro_drm_winsys.c b/lib/mesa/src/gallium/winsys/kmsro/drm/kmsro_drm_winsys.c
new file mode 100644
index 000000000..36d4e4124
--- /dev/null
+++ b/lib/mesa/src/gallium/winsys/kmsro/drm/kmsro_drm_winsys.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2016 Christian Gmeiner <christian.gmeiner@gmail.com>
+ * Copyright (C) 2017 Broadcom
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "kmsro_drm_public.h"
+#include "vc4/drm/vc4_drm_public.h"
+#include "etnaviv/drm/etnaviv_drm_public.h"
+#include "freedreno/drm/freedreno_drm_public.h"
+#include "xf86drm.h"
+
+#include "pipe/p_screen.h"
+#include "renderonly/renderonly.h"
+
+struct pipe_screen *kmsro_drm_screen_create(int fd)
+{
+   struct pipe_screen *screen = NULL;
+   struct renderonly ro = {
+      .kms_fd = fd,
+      .gpu_fd = -1,
+   };
+
+#if defined(GALLIUM_VC4)
+   ro.gpu_fd = drmOpenWithType("vc4", NULL, DRM_NODE_RENDER);
+   if (ro.gpu_fd >= 0) {
+      /* Passes the vc4-allocated BO through to the KMS-only DRM device using
+       * PRIME buffer sharing.  The VC4 BO must be linear, which the SCANOUT
+       * flag on allocation will have ensured.
+       */
+      ro.create_for_resource = renderonly_create_gpu_import_for_resource,
+      screen = vc4_drm_screen_create_renderonly(&ro);
+      if (!screen)
+         close(ro.gpu_fd);
+
+      return screen;
+   }
+#endif
+
+#if defined(GALLIUM_ETNAVIV)
+   ro.gpu_fd = drmOpenWithType("etnaviv", NULL, DRM_NODE_RENDER);
+   if (ro.gpu_fd >= 0) {
+      ro.create_for_resource = renderonly_create_kms_dumb_buffer_for_resource,
+      screen = etna_drm_screen_create_renderonly(&ro);
+      if (!screen)
+         close(ro.gpu_fd);
+
+      return screen;
+   }
+#endif
+
+#if defined(GALLIUM_FREEDRENO)
+   ro.gpu_fd = drmOpenWithType("msm", NULL, DRM_NODE_RENDER);
+   if (ro.gpu_fd >= 0) {
+      ro.create_for_resource = renderonly_create_kms_dumb_buffer_for_resource,
+      screen = fd_drm_screen_create(ro.gpu_fd, &ro);
+      if (!screen)
+         close(ro.gpu_fd);
+
+      return screen;
+   }
+#endif
+
+   return screen;
+}