From 48d4a001b3faaa707716ea6bd93dd98b487768ce Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Thu, 26 May 2011 15:11:50 +0200
Subject: gbm: Add gallium (drm) backend

---
 src/gallium/targets/gbm/gbm.c | 61 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/gallium/targets/gbm/gbm.c

(limited to 'src/gallium/targets/gbm/gbm.c')

diff --git a/src/gallium/targets/gbm/gbm.c b/src/gallium/targets/gbm/gbm.c
new file mode 100644
index 00000000000..e840fc5fa1a
--- /dev/null
+++ b/src/gallium/targets/gbm/gbm.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright © 2011 Intel 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.
+ *
+ * Authors:
+ *    Benjamin Franzke <benjaminfranzke@googlemail.com>
+ */
+
+#include "util/u_inlines.h"
+
+#include "gbm_gallium_drmint.h"
+#include "pipe_loader.h"
+
+static struct pipe_screen *
+create_drm_screen(const char *name, int fd)
+{
+   struct pipe_module *pmod = get_pipe_module(name);
+ 
+   return (pmod && pmod->drmdd && pmod->drmdd->create_screen) ?
+      pmod->drmdd->create_screen(fd) : NULL;
+}
+
+int
+gallium_screen_create(struct gbm_gallium_drm_device *gdrm)
+{
+   gdrm->base.driver_name = drm_fd_get_screen_name(gdrm->base.base.fd);
+   if (gdrm->base.driver_name == NULL)
+      return -1;
+
+   gdrm->screen = create_drm_screen(gdrm->base.driver_name, gdrm->base.base.fd);
+   if (gdrm->screen == NULL) {
+      debug_printf("failed to load driver: %s\n", gdrm->base.driver_name);
+      return -1;
+   };
+
+   return 0;
+}
+
+GBM_EXPORT struct gbm_backend gbm_backend = {
+   .backend_name = "gallium_drm",
+   .create_device = gbm_gallium_drm_device_create,
+};
-- 
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