Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

7 files changed, 639 insertions, 0 deletions

diff --git a/third_party/gbm/README.md b/third_party/gbm/README.md
new file mode 100644
index 0000000000..8ffa8ce4f4
--- /dev/null
+++ b/third_party/gbm/README.md
@@ -0,0 +1,6 @@
+Libgbm is a gbm library wrapper needed to build and run Firefox with
+Pipewire support on Linux (https://gitlab.freedesktop.org/mesa/gbm).
+
+libgbm directory stores headers of libgbm needed for build only.
+gbm stores the vendored upstream header.
+
diff --git a/third_party/gbm/gbm/LICENSE b/third_party/gbm/gbm/LICENSE
new file mode 100644
index 0000000000..d233712540
--- /dev/null
+++ b/third_party/gbm/gbm/LICENSE
@@ -0,0 +1,20 @@
+Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
+
+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 MERCHANTBILITY,
+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.
+
diff --git a/third_party/gbm/gbm/gbm.h b/third_party/gbm/gbm/gbm.h
new file mode 100644
index 0000000000..1a1e2caecb
--- /dev/null
+++ b/third_party/gbm/gbm/gbm.h
@@ -0,0 +1,469 @@
+/*
+ * 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>
+ */
+
+#ifndef _GBM_H_
+#define _GBM_H_
+
+#define __GBM__ 1
+
+#include <stddef.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * \file gbm.h
+ * \brief Generic Buffer Manager
+ */
+
+struct gbm_device;
+struct gbm_bo;
+struct gbm_surface;
+
+/**
+ * \mainpage The Generic Buffer Manager
+ *
+ * This module provides an abstraction that the caller can use to request a
+ * buffer from the underlying memory management system for the platform.
+ *
+ * This allows the creation of portable code whilst still allowing access to
+ * the underlying memory manager.
+ */
+
+/**
+ * Abstraction representing the handle to a buffer allocated by the
+ * manager
+ */
+union gbm_bo_handle {
+   void *ptr;
+   int32_t s32;
+   uint32_t u32;
+   int64_t s64;
+   uint64_t u64;
+};
+
+/** Format of the allocated buffer */
+enum gbm_bo_format {
+   /** RGB with 8 bits per channel in a 32 bit value */
+   GBM_BO_FORMAT_XRGB8888, 
+   /** ARGB with 8 bits per channel in a 32 bit value */
+   GBM_BO_FORMAT_ARGB8888
+};
+
+
+/**
+ * The FourCC format codes are taken from the drm_fourcc.h definition, and
+ * re-namespaced. New GBM formats must not be added, unless they are
+ * identical ports from drm_fourcc.
+ */
+#define __gbm_fourcc_code(a,b,c,d) ((uint32_t)(a) | ((uint32_t)(b) << 8) | \
+			      ((uint32_t)(c) << 16) | ((uint32_t)(d) << 24))
+
+#define GBM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */
+
+/* color index */
+#define GBM_FORMAT_C8		__gbm_fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
+
+/* 8 bpp Red */
+#define GBM_FORMAT_R8		__gbm_fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
+
+/* 16 bpp Red */
+#define GBM_FORMAT_R16          __gbm_fourcc_code('R', '1', '6', ' ') /* [15:0] R little endian */
+
+/* 16 bpp RG */
+#define GBM_FORMAT_GR88		__gbm_fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
+
+/* 32 bpp RG */
+#define GBM_FORMAT_RG1616	__gbm_fourcc_code('R', 'G', '3', '2') /* [31:0] R:G 16:16 little endian */
+#define GBM_FORMAT_GR1616	__gbm_fourcc_code('G', 'R', '3', '2') /* [31:0] G:R 16:16 little endian */
+
+/* 8 bpp RGB */
+#define GBM_FORMAT_RGB332	__gbm_fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
+#define GBM_FORMAT_BGR233	__gbm_fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
+
+/* 16 bpp RGB */
+#define GBM_FORMAT_XRGB4444	__gbm_fourcc_code('X', 'R', '1', '2') /* [15:0] x:R:G:B 4:4:4:4 little endian */
+#define GBM_FORMAT_XBGR4444	__gbm_fourcc_code('X', 'B', '1', '2') /* [15:0] x:B:G:R 4:4:4:4 little endian */
+#define GBM_FORMAT_RGBX4444	__gbm_fourcc_code('R', 'X', '1', '2') /* [15:0] R:G:B:x 4:4:4:4 little endian */
+#define GBM_FORMAT_BGRX4444	__gbm_fourcc_code('B', 'X', '1', '2') /* [15:0] B:G:R:x 4:4:4:4 little endian */
+
+#define GBM_FORMAT_ARGB4444	__gbm_fourcc_code('A', 'R', '1', '2') /* [15:0] A:R:G:B 4:4:4:4 little endian */
+#define GBM_FORMAT_ABGR4444	__gbm_fourcc_code('A', 'B', '1', '2') /* [15:0] A:B:G:R 4:4:4:4 little endian */
+#define GBM_FORMAT_RGBA4444	__gbm_fourcc_code('R', 'A', '1', '2') /* [15:0] R:G:B:A 4:4:4:4 little endian */
+#define GBM_FORMAT_BGRA4444	__gbm_fourcc_code('B', 'A', '1', '2') /* [15:0] B:G:R:A 4:4:4:4 little endian */
+
+#define GBM_FORMAT_XRGB1555	__gbm_fourcc_code('X', 'R', '1', '5') /* [15:0] x:R:G:B 1:5:5:5 little endian */
+#define GBM_FORMAT_XBGR1555	__gbm_fourcc_code('X', 'B', '1', '5') /* [15:0] x:B:G:R 1:5:5:5 little endian */
+#define GBM_FORMAT_RGBX5551	__gbm_fourcc_code('R', 'X', '1', '5') /* [15:0] R:G:B:x 5:5:5:1 little endian */
+#define GBM_FORMAT_BGRX5551	__gbm_fourcc_code('B', 'X', '1', '5') /* [15:0] B:G:R:x 5:5:5:1 little endian */
+
+#define GBM_FORMAT_ARGB1555	__gbm_fourcc_code('A', 'R', '1', '5') /* [15:0] A:R:G:B 1:5:5:5 little endian */
+#define GBM_FORMAT_ABGR1555	__gbm_fourcc_code('A', 'B', '1', '5') /* [15:0] A:B:G:R 1:5:5:5 little endian */
+#define GBM_FORMAT_RGBA5551	__gbm_fourcc_code('R', 'A', '1', '5') /* [15:0] R:G:B:A 5:5:5:1 little endian */
+#define GBM_FORMAT_BGRA5551	__gbm_fourcc_code('B', 'A', '1', '5') /* [15:0] B:G:R:A 5:5:5:1 little endian */
+
+#define GBM_FORMAT_RGB565	__gbm_fourcc_code('R', 'G', '1', '6') /* [15:0] R:G:B 5:6:5 little endian */
+#define GBM_FORMAT_BGR565	__gbm_fourcc_code('B', 'G', '1', '6') /* [15:0] B:G:R 5:6:5 little endian */
+
+/* 24 bpp RGB */
+#define GBM_FORMAT_RGB888	__gbm_fourcc_code('R', 'G', '2', '4') /* [23:0] R:G:B little endian */
+#define GBM_FORMAT_BGR888	__gbm_fourcc_code('B', 'G', '2', '4') /* [23:0] B:G:R little endian */
+
+/* 32 bpp RGB */
+#define GBM_FORMAT_XRGB8888	__gbm_fourcc_code('X', 'R', '2', '4') /* [31:0] x:R:G:B 8:8:8:8 little endian */
+#define GBM_FORMAT_XBGR8888	__gbm_fourcc_code('X', 'B', '2', '4') /* [31:0] x:B:G:R 8:8:8:8 little endian */
+#define GBM_FORMAT_RGBX8888	__gbm_fourcc_code('R', 'X', '2', '4') /* [31:0] R:G:B:x 8:8:8:8 little endian */
+#define GBM_FORMAT_BGRX8888	__gbm_fourcc_code('B', 'X', '2', '4') /* [31:0] B:G:R:x 8:8:8:8 little endian */
+
+#define GBM_FORMAT_ARGB8888	__gbm_fourcc_code('A', 'R', '2', '4') /* [31:0] A:R:G:B 8:8:8:8 little endian */
+#define GBM_FORMAT_ABGR8888	__gbm_fourcc_code('A', 'B', '2', '4') /* [31:0] A:B:G:R 8:8:8:8 little endian */
+#define GBM_FORMAT_RGBA8888	__gbm_fourcc_code('R', 'A', '2', '4') /* [31:0] R:G:B:A 8:8:8:8 little endian */
+#define GBM_FORMAT_BGRA8888	__gbm_fourcc_code('B', 'A', '2', '4') /* [31:0] B:G:R:A 8:8:8:8 little endian */
+
+#define GBM_FORMAT_XRGB2101010	__gbm_fourcc_code('X', 'R', '3', '0') /* [31:0] x:R:G:B 2:10:10:10 little endian */
+#define GBM_FORMAT_XBGR2101010	__gbm_fourcc_code('X', 'B', '3', '0') /* [31:0] x:B:G:R 2:10:10:10 little endian */
+#define GBM_FORMAT_RGBX1010102	__gbm_fourcc_code('R', 'X', '3', '0') /* [31:0] R:G:B:x 10:10:10:2 little endian */
+#define GBM_FORMAT_BGRX1010102	__gbm_fourcc_code('B', 'X', '3', '0') /* [31:0] B:G:R:x 10:10:10:2 little endian */
+
+#define GBM_FORMAT_ARGB2101010	__gbm_fourcc_code('A', 'R', '3', '0') /* [31:0] A:R:G:B 2:10:10:10 little endian */
+#define GBM_FORMAT_ABGR2101010	__gbm_fourcc_code('A', 'B', '3', '0') /* [31:0] A:B:G:R 2:10:10:10 little endian */
+#define GBM_FORMAT_RGBA1010102	__gbm_fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
+#define GBM_FORMAT_BGRA1010102	__gbm_fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
+
+/* 64 bpp RGB */
+#define GBM_FORMAT_XBGR16161616	__gbm_fourcc_code('X', 'B', '4', '8') /* [63:0] x:B:G:R 16:16:16:16 little endian */
+
+#define GBM_FORMAT_ABGR16161616	__gbm_fourcc_code('A', 'B', '4', '8') /* [63:0] A:B:G:R 16:16:16:16 little endian */
+
+/*
+ * Floating point 64bpp RGB
+ * IEEE 754-2008 binary16 half-precision float
+ * [15:0] sign:exponent:mantissa 1:5:10
+ */
+#define GBM_FORMAT_XBGR16161616F __gbm_fourcc_code('X', 'B', '4', 'H') /* [63:0] x:B:G:R 16:16:16:16 little endian */
+
+#define GBM_FORMAT_ABGR16161616F __gbm_fourcc_code('A', 'B', '4', 'H') /* [63:0] A:B:G:R 16:16:16:16 little endian */
+
+/* packed YCbCr */
+#define GBM_FORMAT_YUYV		__gbm_fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
+#define GBM_FORMAT_YVYU		__gbm_fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
+#define GBM_FORMAT_UYVY		__gbm_fourcc_code('U', 'Y', 'V', 'Y') /* [31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */
+#define GBM_FORMAT_VYUY		__gbm_fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
+
+#define GBM_FORMAT_AYUV		__gbm_fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
+
+/*
+ * 2 plane YCbCr
+ * index 0 = Y plane, [7:0] Y
+ * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
+ * or
+ * index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
+ */
+#define GBM_FORMAT_NV12		__gbm_fourcc_code('N', 'V', '1', '2') /* 2x2 subsampled Cr:Cb plane */
+#define GBM_FORMAT_NV21		__gbm_fourcc_code('N', 'V', '2', '1') /* 2x2 subsampled Cb:Cr plane */
+#define GBM_FORMAT_NV16		__gbm_fourcc_code('N', 'V', '1', '6') /* 2x1 subsampled Cr:Cb plane */
+#define GBM_FORMAT_NV61		__gbm_fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */
+
+/*
+ * 3 plane YCbCr
+ * index 0: Y plane, [7:0] Y
+ * index 1: Cb plane, [7:0] Cb
+ * index 2: Cr plane, [7:0] Cr
+ * or
+ * index 1: Cr plane, [7:0] Cr
+ * index 2: Cb plane, [7:0] Cb
+ */
+#define GBM_FORMAT_YUV410	__gbm_fourcc_code('Y', 'U', 'V', '9') /* 4x4 subsampled Cb (1) and Cr (2) planes */
+#define GBM_FORMAT_YVU410	__gbm_fourcc_code('Y', 'V', 'U', '9') /* 4x4 subsampled Cr (1) and Cb (2) planes */
+#define GBM_FORMAT_YUV411	__gbm_fourcc_code('Y', 'U', '1', '1') /* 4x1 subsampled Cb (1) and Cr (2) planes */
+#define GBM_FORMAT_YVU411	__gbm_fourcc_code('Y', 'V', '1', '1') /* 4x1 subsampled Cr (1) and Cb (2) planes */
+#define GBM_FORMAT_YUV420	__gbm_fourcc_code('Y', 'U', '1', '2') /* 2x2 subsampled Cb (1) and Cr (2) planes */
+#define GBM_FORMAT_YVU420	__gbm_fourcc_code('Y', 'V', '1', '2') /* 2x2 subsampled Cr (1) and Cb (2) planes */
+#define GBM_FORMAT_YUV422	__gbm_fourcc_code('Y', 'U', '1', '6') /* 2x1 subsampled Cb (1) and Cr (2) planes */
+#define GBM_FORMAT_YVU422	__gbm_fourcc_code('Y', 'V', '1', '6') /* 2x1 subsampled Cr (1) and Cb (2) planes */
+#define GBM_FORMAT_YUV444	__gbm_fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */
+#define GBM_FORMAT_YVU444	__gbm_fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */
+
+struct gbm_format_name_desc {
+   char name[5];
+};
+
+/**
+ * Flags to indicate the intended use for the buffer - these are passed into
+ * gbm_bo_create(). The caller must set the union of all the flags that are
+ * appropriate
+ *
+ * \sa Use gbm_device_is_format_supported() to check if the combination of format
+ * and use flags are supported
+ */
+enum gbm_bo_flags {
+   /**
+    * Buffer is going to be presented to the screen using an API such as KMS
+    */
+   GBM_BO_USE_SCANOUT      = (1 << 0),
+   /**
+    * Buffer is going to be used as cursor
+    */
+   GBM_BO_USE_CURSOR       = (1 << 1),
+   /**
+    * Deprecated
+    */
+   GBM_BO_USE_CURSOR_64X64 = GBM_BO_USE_CURSOR,
+   /**
+    * Buffer is to be used for rendering - for example it is going to be used
+    * as the storage for a color buffer
+    */
+   GBM_BO_USE_RENDERING    = (1 << 2),
+   /**
+    * Buffer can be used for gbm_bo_write.  This is guaranteed to work
+    * with GBM_BO_USE_CURSOR, but may not work for other combinations.
+    */
+   GBM_BO_USE_WRITE    = (1 << 3),
+   /**
+    * Buffer is linear, i.e. not tiled.
+    */
+   GBM_BO_USE_LINEAR = (1 << 4),
+   /**
+    * Buffer is protected, i.e. encrypted and not readable by CPU or any
+    * other non-secure / non-trusted components nor by non-trusted OpenGL,
+    * OpenCL, and Vulkan applications.
+    */
+   GBM_BO_USE_PROTECTED = (1 << 5),
+
+   /**
+    * The buffer will be used for front buffer rendering.  On some
+    * platforms this may (for example) disable framebuffer compression
+    * to avoid problems with compression flags data being out of sync
+    * with pixel data.
+    */
+   GBM_BO_USE_FRONT_RENDERING = (1 << 6),
+};
+
+int
+gbm_device_get_fd(struct gbm_device *gbm);
+
+const char *
+gbm_device_get_backend_name(struct gbm_device *gbm);
+
+int
+gbm_device_is_format_supported(struct gbm_device *gbm,
+                               uint32_t format, uint32_t flags);
+
+int
+gbm_device_get_format_modifier_plane_count(struct gbm_device *gbm,
+                                           uint32_t format,
+                                           uint64_t modifier);
+
+void
+gbm_device_destroy(struct gbm_device *gbm);
+
+struct gbm_device *
+gbm_create_device(int fd);
+
+struct gbm_bo *
+gbm_bo_create(struct gbm_device *gbm,
+              uint32_t width, uint32_t height,
+              uint32_t format, uint32_t flags);
+
+struct gbm_bo *
+gbm_bo_create_with_modifiers(struct gbm_device *gbm,
+                             uint32_t width, uint32_t height,
+                             uint32_t format,
+                             const uint64_t *modifiers,
+                             const unsigned int count);
+
+struct gbm_bo *
+gbm_bo_create_with_modifiers2(struct gbm_device *gbm,
+                              uint32_t width, uint32_t height,
+                              uint32_t format,
+                              const uint64_t *modifiers,
+                              const unsigned int count,
+                              uint32_t flags);
+
+#define GBM_BO_IMPORT_WL_BUFFER         0x5501
+#define GBM_BO_IMPORT_EGL_IMAGE         0x5502
+#define GBM_BO_IMPORT_FD                0x5503
+#define GBM_BO_IMPORT_FD_MODIFIER       0x5504
+
+struct gbm_import_fd_data {
+   int fd;
+   uint32_t width;
+   uint32_t height;
+   uint32_t stride;
+   uint32_t format;
+};
+
+#define GBM_MAX_PLANES 4
+
+struct gbm_import_fd_modifier_data {
+   uint32_t width;
+   uint32_t height;
+   uint32_t format;
+   uint32_t num_fds;
+   int fds[GBM_MAX_PLANES];
+   int strides[GBM_MAX_PLANES];
+   int offsets[GBM_MAX_PLANES];
+   uint64_t modifier;
+};
+
+struct gbm_bo *
+gbm_bo_import(struct gbm_device *gbm, uint32_t type,
+              void *buffer, uint32_t flags);
+
+/**
+ * Flags to indicate the type of mapping for the buffer - these are
+ * passed into gbm_bo_map(). The caller must set the union of all the
+ * flags that are appropriate.
+ *
+ * These flags are independent of the GBM_BO_USE_* creation flags. However,
+ * mapping the buffer may require copying to/from a staging buffer.
+ *
+ * See also: pipe_map_flags
+ */
+enum gbm_bo_transfer_flags {
+   /**
+    * Buffer contents read back (or accessed directly) at transfer
+    * create time.
+    */
+   GBM_BO_TRANSFER_READ       = (1 << 0),
+   /**
+    * Buffer contents will be written back at unmap time
+    * (or modified as a result of being accessed directly).
+    */
+   GBM_BO_TRANSFER_WRITE      = (1 << 1),
+   /**
+    * Read/modify/write
+    */
+   GBM_BO_TRANSFER_READ_WRITE = (GBM_BO_TRANSFER_READ | GBM_BO_TRANSFER_WRITE),
+};
+
+void *
+gbm_bo_map(struct gbm_bo *bo,
+           uint32_t x, uint32_t y, uint32_t width, uint32_t height,
+           uint32_t flags, uint32_t *stride, void **map_data);
+
+void
+gbm_bo_unmap(struct gbm_bo *bo, void *map_data);
+
+uint32_t
+gbm_bo_get_width(struct gbm_bo *bo);
+
+uint32_t
+gbm_bo_get_height(struct gbm_bo *bo);
+
+uint32_t
+gbm_bo_get_stride(struct gbm_bo *bo);
+
+uint32_t
+gbm_bo_get_stride_for_plane(struct gbm_bo *bo, int plane);
+
+uint32_t
+gbm_bo_get_format(struct gbm_bo *bo);
+
+uint32_t
+gbm_bo_get_bpp(struct gbm_bo *bo);
+
+uint32_t
+gbm_bo_get_offset(struct gbm_bo *bo, int plane);
+
+struct gbm_device *
+gbm_bo_get_device(struct gbm_bo *bo);
+
+union gbm_bo_handle
+gbm_bo_get_handle(struct gbm_bo *bo);
+
+int
+gbm_bo_get_fd(struct gbm_bo *bo);
+
+uint64_t
+gbm_bo_get_modifier(struct gbm_bo *bo);
+
+int
+gbm_bo_get_plane_count(struct gbm_bo *bo);
+
+union gbm_bo_handle
+gbm_bo_get_handle_for_plane(struct gbm_bo *bo, int plane);
+
+int
+gbm_bo_get_fd_for_plane(struct gbm_bo *bo, int plane);
+
+int
+gbm_bo_write(struct gbm_bo *bo, const void *buf, size_t count);
+
+void
+gbm_bo_set_user_data(struct gbm_bo *bo, void *data,
+		     void (*destroy_user_data)(struct gbm_bo *, void *));
+
+void *
+gbm_bo_get_user_data(struct gbm_bo *bo);
+
+void
+gbm_bo_destroy(struct gbm_bo *bo);
+
+struct gbm_surface *
+gbm_surface_create(struct gbm_device *gbm,
+                   uint32_t width, uint32_t height,
+		   uint32_t format, uint32_t flags);
+
+struct gbm_surface *
+gbm_surface_create_with_modifiers(struct gbm_device *gbm,
+                                  uint32_t width, uint32_t height,
+                                  uint32_t format,
+                                  const uint64_t *modifiers,
+                                  const unsigned int count);
+
+struct gbm_surface *
+gbm_surface_create_with_modifiers2(struct gbm_device *gbm,
+                                   uint32_t width, uint32_t height,
+                                   uint32_t format,
+                                   const uint64_t *modifiers,
+                                   const unsigned int count,
+                                   uint32_t flags);
+
+struct gbm_bo *
+gbm_surface_lock_front_buffer(struct gbm_surface *surface);
+
+void
+gbm_surface_release_buffer(struct gbm_surface *surface, struct gbm_bo *bo);
+
+int
+gbm_surface_has_free_buffers(struct gbm_surface *surface);
+
+void
+gbm_surface_destroy(struct gbm_surface *surface);
+
+char *
+gbm_format_get_name(uint32_t gbm_format, struct gbm_format_name_desc *desc);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/third_party/gbm/libgbm/moz.build b/third_party/gbm/libgbm/moz.build
new file mode 100644
index 0000000000..0953d2f17a
--- /dev/null
+++ b/third_party/gbm/libgbm/moz.build
@@ -0,0 +1,16 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+SOURCES += [
+    'mozgbm.cpp',
+]
+
+if CONFIG["MOZ_WIDGET_TOOLKIT"] == "gtk":
+    CXXFLAGS += CONFIG['MOZ_GTK3_CFLAGS']
+
+LOCAL_INCLUDES += ['/third_party/gbm']
+
+FINAL_LIBRARY = 'xul'
diff --git a/third_party/gbm/libgbm/mozgbm.cpp b/third_party/gbm/libgbm/mozgbm.cpp
new file mode 100644
index 0000000000..bc024a11c0
--- /dev/null
+++ b/third_party/gbm/libgbm/mozgbm.cpp
@@ -0,0 +1,66 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/Types.h"
+#include "prlink.h"
+
+#include <gbm/gbm.h>
+
+#define GET_FUNC(func, lib)                                  \
+    func##_fn =                                              \
+      (decltype(func##_fn))PR_FindFunctionSymbol(lib, #func) \
+
+#define IS_FUNC_LOADED(func)                                          \
+    (func != nullptr)                                                 \
+
+static struct gbm_device * (*gbm_create_device_fn)(int fd);
+static void (*gbm_device_destroy_fn)(struct gbm_device* gbm);
+
+bool IsGBMLibraryLoaded() {
+  static bool isLoaded =
+         (IS_FUNC_LOADED(gbm_create_device_fn) &&
+          IS_FUNC_LOADED(gbm_device_destroy_fn));
+
+  return isLoaded;
+}
+
+bool LoadGBMLibrary() {
+  static PRLibrary* gbmLib = nullptr;
+  static bool gbmInitialized = false;
+
+  //TODO Thread safe
+  if (!gbmInitialized) {
+    gbmInitialized = true;
+    gbmLib = PR_LoadLibrary("libgbm.so.1");
+    if (!gbmLib) {
+      return false;
+    }
+
+    GET_FUNC(gbm_create_device, gbmLib);
+    GET_FUNC(gbm_device_destroy, gbmLib);
+  }
+
+  return IsGBMLibraryLoaded();
+}
+
+struct gbm_device *
+gbm_create_device(int fd)
+{
+  if (!LoadGBMLibrary()) {
+    return nullptr;
+  }
+  return gbm_create_device_fn(fd);
+}
+
+void
+gbm_device_destroy(struct gbm_device* gbm)
+{
+  if (!LoadGBMLibrary()) {
+    return;
+  }
+  return gbm_device_destroy_fn(gbm);
+}
diff --git a/third_party/gbm/moz.build b/third_party/gbm/moz.build
new file mode 100644
index 0000000000..1bac699bb3
--- /dev/null
+++ b/third_party/gbm/moz.build
@@ -0,0 +1,5 @@
+if CONFIG['MOZ_WEBRTC']:
+    EXPORTS.gbm = [
+	'gbm/gbm.h',
+    ]
+
diff --git a/third_party/gbm/moz.yaml b/third_party/gbm/moz.yaml
new file mode 100644
index 0000000000..712b8ec45b
--- /dev/null
+++ b/third_party/gbm/moz.yaml
@@ -0,0 +1,57 @@
+# Versio of this schema
+schema: 1
+
+bugzilla:
+  # Bugzilla product and component for this directory and subdirectories
+  product: "Core"
+  component: "WebRTC"
+
+# The source in this directory was copied from upstream by running the
+# update.py script from third_party/libdrm. Any changes made relative to
+# upstream should be reflected in that script, e.g. by applying patch files
+# after the copy step.
+
+origin:
+  name: "libgbm"
+  description: "Graphics buffer manipulation components of Mesa"
+
+  url: "https://gitlab.freedesktop.org/mesa/mesa"
+  license: MIT
+
+  release: "e664082d3507d790ac31f721e8900417efd3a95b (2023-01-19T04:09:17.000+00:00)"
+
+  revision: "e664082d3507d790ac31f721e8900417efd3a95b"
+  # The codebase does not provide a LICENSE file!
+  # https://docs.mesa3d.org/license.html#license-copyright-information
+  # license-file: LICENSE
+
+updatebot:
+  maintainer-phab: chew
+  maintainer-bz: ngrunbaum@mozilla.com
+  tasks:
+    - type: vendoring
+      enabled: true
+      frequency: release
+
+vendoring:
+  url: https://gitlab.freedesktop.org/mesa/mesa
+  source-hosting: gitlab
+  vendor-directory: third_party/gbm/gbm
+  skip-vendoring-steps: ['update-moz-build'] 
+  exclude:
+    - '**'
+    - '**/.*'
+    - '**/.*/**'
+    - '**/.*/**/.*'
+
+  include:
+    - src/gbm/main/gbm.h
+
+  keep:
+    - LICENSE
+
+  update-actions:
+    - action: move-file
+      from: '{vendor_dir}/src/gbm/main/gbm.h'
+      to: '{vendor_dir}/gbm.h'
+