5 files changed, 128 insertions, 0 deletions
diff --git a/src/gallium/winsys/tegra/drm/Makefile.am b/src/gallium/winsys/tegra/drm/Makefile.am
new file mode 100644
index 00000000000..9a8169889cf
--- /dev/null
+++ b/src/gallium/winsys/tegra/drm/Makefile.am
@@ -0,0 +1,13 @@
+include Makefile.sources
+include $(top_srcdir)/src/gallium/Automake.inc
+
+AM_CFLAGS = \
+	-I$(top_srcdir)/src/gallium/drivers \
+	$(GALLIUM_WINSYS_CFLAGS)
+
+noinst_LTLIBRARIES = libtegradrm.la
+
+libtegradrm_la_SOURCES = $(C_SOURCES)
+
+EXTRA_DIST = \
+	meson.build
diff --git a/src/gallium/winsys/tegra/drm/Makefile.sources b/src/gallium/winsys/tegra/drm/Makefile.sources
new file mode 100644
index 00000000000..fe0d5c42e72
--- /dev/null
+++ b/src/gallium/winsys/tegra/drm/Makefile.sources
@@ -0,0 +1,2 @@
+C_SOURCES := \
+	tegra_drm_winsys.c
diff --git a/src/gallium/winsys/tegra/drm/meson.build b/src/gallium/winsys/tegra/drm/meson.build
new file mode 100644
index 00000000000..46a6ab782a5
--- /dev/null
+++ b/src/gallium/winsys/tegra/drm/meson.build
@@ -0,0 +1,33 @@
+# Copyright © 2018 NVIDIA CORPORATION
+
+# 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 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.
+
+libtegradrm = static_library(
+  'tegradrm',
+  'tegra_drm_winsys.c',
+  include_directories : [
+    inc_include, inc_src, inc_gallium, inc_gallium_aux, inc_gallium_drivers,
+    inc_gallium_winsys
+  ],
+)
+
+driver_tegra = declare_dependency(
+  compile_args : '-DGALLIUM_TEGRA',
+  link_with : libtegradrm,
+)
diff --git a/src/gallium/winsys/tegra/drm/tegra_drm_public.h b/src/gallium/winsys/tegra/drm/tegra_drm_public.h
new file mode 100644
index 00000000000..8105180003f
--- /dev/null
+++ b/src/gallium/winsys/tegra/drm/tegra_drm_public.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2014-2018 NVIDIA Corporation
+ *
+ * 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.
+ */
+
+#ifndef __TEGRA_DRM_PUBLIC_H__
+#define __TEGRA_DRM_PUBLIC_H__
+
+struct pipe_screen;
+
+struct pipe_screen *tegra_drm_screen_create(int fd);
+
+#endif /* __TEGRA_DRM_PUBLIC_H__ */
diff --git a/src/gallium/winsys/tegra/drm/tegra_drm_winsys.c b/src/gallium/winsys/tegra/drm/tegra_drm_winsys.c
new file mode 100644
index 00000000000..e2a8efb0f63
--- /dev/null
+++ b/src/gallium/winsys/tegra/drm/tegra_drm_winsys.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright © 2014-2018 NVIDIA Corporation
+ *
+ * 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 "util/u_debug.h"
+
+#include "tegra/tegra_screen.h"
+
+struct pipe_screen *tegra_drm_screen_create(int fd);
+
+struct pipe_screen *tegra_drm_screen_create(int fd)
+{
+   struct pipe_screen *screen;
+
+   /*
+    * NOTE: There are reportedly issues with reusing the file descriptor
+    * as-is related to Xinerama. Duplicate it to side-step any issues.
+    */
+   fd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
+   if (fd < 0)
+      return NULL;
+
+   screen = tegra_screen_create(fd);
+   if (!screen)
+      close(fd);
+
+   return screen;
+}