On Sunday, December 6th, 2020 at 1:39 AM, James Park <jpark37@lagfreegames.com> wrote:

> Create drm_basic_types.h to define types previously defined by drm.h.
>
> Use DRM_FOURCC_STANDALONE to include drm_fourcc.h, replacing drm.h
> dependency with drm_basic_types.h.

This approach looks better to me than the other alternatives.

> This will allow Mesa to port code to Windows more easily.
>
> Signed-off-by: James Park <jpark37@lagfreegames.com>
> ---
>  include/uapi/drm/drm.h             | 14 ++--------
>  include/uapi/drm/drm_basic_types.h | 52 ++++++++++++++++++++++++++++++++++++++
>  include/uapi/drm/drm_fourcc.h      |  4 +++
>  3 files changed, 58 insertions(+), 12 deletions(-)
>  create mode 100644 include/uapi/drm/drm_basic_types.h
>
> diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
> index 808b48a..a7f38fc 100644
> --- a/include/uapi/drm/drm.h
> +++ b/include/uapi/drm/drm.h
> @@ -36,32 +36,22 @@
>  #ifndef _DRM_H_
>  #define _DRM_H_
>
> +#include "drm_basic_types.h"
> +
>  #if defined(__KERNEL__)
>
> -#include <linux/types.h>
>  #include <asm/ioctl.h>
>  typedef unsigned int drm_handle_t;
>
>  #elif defined(__linux__)
>
> -#include <linux/types.h>
>  #include <asm/ioctl.h>
>  typedef unsigned int drm_handle_t;
>
>  #else /* One of the BSDs */
>
> -#include <stdint.h>
>  #include <sys/ioccom.h>
>  #include <sys/types.h>
> -typedef int8_t   __s8;
> -typedef uint8_t  __u8;
> -typedef int16_t  __s16;
> -typedef uint16_t __u16;
> -typedef int32_t  __s32;
> -typedef uint32_t __u32;
> -typedef int64_t  __s64;
> -typedef uint64_t __u64;
> -typedef size_t   __kernel_size_t;
>  typedef unsigned long drm_handle_t;
>
>  #endif
> diff --git a/include/uapi/drm/drm_basic_types.h b/include/uapi/drm/drm_basic_types.h
> new file mode 100644
> index 0000000..b3c00bb
> --- /dev/null
> +++ b/include/uapi/drm/drm_basic_types.h
> @@ -0,0 +1,52 @@
> +/*
> + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
> + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
> + * 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 (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
> + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 _DRM_BASIC_TYPES_H_
> +#define _DRM_BASIC_TYPES_H_
> +
> +#if defined(__KERNEL__)
> +
> +#include <linux/types.h>
> +
> +#elif defined(__linux__)

Nit: these two #ifs can be combined together.

> +#include <linux/types.h>
> +
> +#else /* One of the BSDs */

Maybe replace with /* Not Linux */?

> +#include <stdint.h>
> +typedef int8_t   __s8;
> +typedef uint8_t  __u8;
> +typedef int16_t  __s16;
> +typedef uint16_t __u16;
> +typedef int32_t  __s32;
> +typedef uint32_t __u32;
> +typedef int64_t  __s64;
> +typedef uint64_t __u64;
> +typedef size_t   __kernel_size_t;
> +
> +#endif
> +
> +#endif
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 82f3278..5eb07a5 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -24,7 +24,11 @@
>  #ifndef DRM_FOURCC_H
>  #define DRM_FOURCC_H
>
> +#ifdef DRM_FOURCC_STANDALONE
> +#include "drm_basic_types.h"
> +#else
>  #include "drm.h"
> +#endif
>
>  #if defined(__cplusplus)
>  extern "C" {
> --
> 2.7.4
>
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