sync code with last improvements from OpenBSD

2023-08-28 05:57:34 +00:00 · 2023-08-28 05:57:34 +00:00 · 88965415ff
commit 88965415ff
26235 changed files with 29195616 additions and 0 deletions
--- a/lib/libdrm/android/gralloc_handle.h
+++ b/lib/libdrm/android/gralloc_handle.h
@ -0,0 +1,111 @@
+/*
+ * 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>
+ * Copyright (C) 2018 Collabora, Robert Foss <robert.foss@collabora.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, 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 __ANDROID_GRALLOC_HANDLE_H__
+#define __ANDROID_GRALLOC_HANDLE_H__
+
+#include <cutils/native_handle.h>
+#include <stdint.h>
+
+/* support users of drm_gralloc/gbm_gralloc */
+#define gralloc_gbm_handle_t gralloc_handle_t
+#define gralloc_drm_handle_t gralloc_handle_t
+
+struct gralloc_handle_t {
+	native_handle_t base;
+
+	/* dma-buf file descriptor
+	 * Must be located first since, native_handle_t is allocated
+	 * using native_handle_create(), which allocates space for
+	 * sizeof(native_handle_t) + sizeof(int) * (numFds + numInts)
+	 * numFds = GRALLOC_HANDLE_NUM_FDS
+	 * numInts = GRALLOC_HANDLE_NUM_INTS
+	 * Where numFds represents the number of FDs and
+	 * numInts represents the space needed for the
+	 * remainder of this struct.
+	 * And the FDs are expected to be found first following
+	 * native_handle_t.
+	 */
+	int prime_fd;
+
+	/* api variables */
+	uint32_t magic; /* differentiate between allocator impls */
+	uint32_t version; /* api version */
+
+	uint32_t width; /* width of buffer in pixels */
+	uint32_t height; /* height of buffer in pixels */
+	uint32_t format; /* pixel format (Android) */
+	uint32_t usage; /* android libhardware usage flags */
+
+	uint32_t stride; /* the stride in bytes */
+	int data_owner; /* owner of data (for validation) */
+	uint64_t modifier __attribute__((aligned(8))); /* buffer modifiers */
+
+	union {
+		void *data; /* pointer to struct gralloc_gbm_bo_t */
+		uint64_t reserved;
+	} __attribute__((aligned(8)));
+};
+
+#define GRALLOC_HANDLE_VERSION 4
+#define GRALLOC_HANDLE_MAGIC 0x60585350
+#define GRALLOC_HANDLE_NUM_FDS 1
+#define GRALLOC_HANDLE_NUM_INTS (	\
+	((sizeof(struct gralloc_handle_t) - sizeof(native_handle_t))/sizeof(int))	\
+	 - GRALLOC_HANDLE_NUM_FDS)
+
+static inline struct gralloc_handle_t *gralloc_handle(buffer_handle_t handle)
+{
+	return (struct gralloc_handle_t *)handle;
+}
+
+/**
+ * Create a buffer handle.
+ */
+static inline native_handle_t *gralloc_handle_create(int32_t width,
+                                                     int32_t height,
+                                                     int32_t hal_format,
+                                                     int32_t usage)
+{
+	struct gralloc_handle_t *handle;
+	native_handle_t *nhandle = native_handle_create(GRALLOC_HANDLE_NUM_FDS,
+							GRALLOC_HANDLE_NUM_INTS);
+
+	if (!nhandle)
+		return NULL;
+
+	handle = gralloc_handle(nhandle);
+	handle->magic = GRALLOC_HANDLE_MAGIC;
+	handle->version = GRALLOC_HANDLE_VERSION;
+	handle->width = width;
+	handle->height = height;
+	handle->format = hal_format;
+	handle->usage = usage;
+	handle->prime_fd = -1;
+
+	return nhandle;
+}
+
+#endif