Add gbm (generic/graphics buffer manager)

1 files changed, 82 insertions, 0 deletions

diff --git a/src/gbm/main/gbmint.h b/src/gbm/main/gbmint.h
new file mode 100644
index 00000000000..fb8db804c1b
--- /dev/null
+++ b/src/gbm/main/gbmint.h
@@ -0,0 +1,82 @@
+/*
+ * 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 <[email protected]>
+ */
+
+#ifndef INTERNAL_H_
+#define INTERNAL_H_
+
+#include "gbm.h"
+#include <sys/stat.h>
+
+/* GCC visibility */
+#if defined(__GNUC__) && __GNUC__ >= 4
+#define GBM_EXPORT __attribute__ ((visibility("default")))
+#else
+#define GBM_EXPORT
+#endif
+
+struct gbm_device {
+   /* Hack to make a gbm_device detectable by its first element. */
+   struct gbm_device *(*dummy)(int);
+
+   int fd;
+   const char *name;
+   unsigned int refcount;
+   struct stat stat;
+
+   void (*destroy)(struct gbm_device *gbm);
+   int (*is_format_supported)(struct gbm_device *gbm,
+                              enum gbm_bo_format format,
+                              uint32_t usage);
+
+   struct gbm_bo *(*bo_create)(struct gbm_device *gbm,
+                               uint32_t width, uint32_t height,
+                               enum gbm_bo_format format,
+                               uint32_t usage);
+   struct gbm_bo *(*bo_create_from_egl_image)(struct gbm_device *gbm,
+                                              void *egl_dpy, void *egl_img,
+                                              uint32_t width, uint32_t height,
+                                              uint32_t usage);
+   void (*bo_destroy)(struct gbm_bo *bo);
+};
+
+struct gbm_bo {
+   struct gbm_device *gbm;
+   uint32_t width;
+   uint32_t height;
+   uint32_t pitch;
+   union gbm_bo_handle  handle;
+};
+
+struct gbm_backend {
+   const char *backend_name;
+   struct gbm_device *(*create_device)(int fd);
+};
+
+GBM_EXPORT struct gbm_device *
+_gbm_mesa_get_device(int fd);
+
+#endif