split gbm out

1 files changed, 44 insertions, 0 deletions

diff --git a/common.c b/common.c
new file mode 100644
index 0000000..b3c2212
--- /dev/null
+++ b/common.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2017 Rob Clark <rclark@redhat.com>
+ *
+ * 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, sub license,
+ * 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 NON-INFRINGEMENT. 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 <stdio.h>
+
+#include "common.h"
+
+static struct gbm gbm;
+
+const struct gbm * init_gbm(int drm_fd, int w, int h)
+{
+	gbm.dev = gbm_create_device(drm_fd);
+
+	gbm.surface = gbm_surface_create(gbm.dev, w, h,
+			GBM_FORMAT_XRGB8888,
+			GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
+	if (!gbm.surface) {
+		printf("failed to create gbm surface\n");
+		return NULL;
+	}
+
+	return &gbm;
+}
+