Initial GBM based gralloc

Based on drm_gralloc. Some remants of drm_gralloc remain to be
compatible with mesa and drm_hwcomposer.

Signed-off-by: Rob Herring <robh@kernel.org>

1 files changed, 62 insertions, 0 deletions

diff --git a/gralloc_gbm_priv.h b/gralloc_gbm_priv.h
new file mode 100644
index 0000000..8f52ce3
--- /dev/null
+++ b/gralloc_gbm_priv.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
+ * Copyright (C) 2010-2011 LunarG Inc.
+ * Copyright (C) 2016 Linaro, Ltd., Rob Herring <robh@kernel.org>
+ *
+ * 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.
+ */
+
+#ifndef _GRALLOC_GBM_PRIV_H_
+#define _GRALLOC_GBM_PRIV_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct gbm_device;
+struct gralloc_gbm_bo_t;
+
+#define gralloc_gbm_handle_t gralloc_drm_handle_t
+#define gralloc_gbm_handle gralloc_drm_handle
+
+int gralloc_gbm_handle_register(buffer_handle_t handle, struct gbm_device *gbm);
+int gralloc_gbm_handle_unregister(buffer_handle_t handle);
+
+struct gralloc_gbm_bo_t *gralloc_gbm_bo_create(struct gbm_device *gbm,
+		int width, int height, int format, int usage);
+void gralloc_gbm_bo_decref(struct gralloc_gbm_bo_t *bo);
+
+struct gralloc_gbm_bo_t *gralloc_gbm_bo_from_handle(buffer_handle_t handle);
+buffer_handle_t gralloc_gbm_bo_get_handle(struct gralloc_gbm_bo_t *bo);
+int gralloc_gbm_get_gem_handle(buffer_handle_t handle);
+void gralloc_gbm_resolve_format(buffer_handle_t _handle, uint32_t *pitches, uint32_t *offsets, uint32_t *handles);
+//unsigned int planes_for_format(struct gralloc_gbm_t *gbm, int hal_format);
+
+struct gbm_bo *gralloc_gbm_bo_to_gbm_bo(struct gralloc_gbm_bo_t *_bo);
+
+int gralloc_gbm_bo_lock(struct gralloc_gbm_bo_t *bo, int x, int y, int w, int h, int enable_write, void **addr);
+void gralloc_gbm_bo_unlock(struct gralloc_gbm_bo_t *bo);
+
+struct gbm_device *gbm_dev_create(void);
+void gbm_dev_destroy(struct gbm_device *gbm);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _GRALLOC_GBM_PRIV_H_ */