diff mbox series

drm: DRM_FOURCC_STANDALONE macro support

Message ID 1612493666-757-1-git-send-email-jpark37@lagfreegames.com (mailing list archive)
State New, archived
Headers show
Series drm: DRM_FOURCC_STANDALONE macro support | expand

Commit Message

James Park Feb. 5, 2021, 2:54 a.m. UTC
Use DRM_FOURCC_STANDALONE to include drm_fourcc.h without drm.h.

Copy type definitions from drm.h to drm_fourcc.h, and wrap with
DRM_BASIC_TYPED_DEFINED to avoid redundant inclusion.

This will allow code to avoid unnecessary definitions.

Signed-off-by: James Park <jpark37@lagfreegames.com>
---
 include/uapi/drm/drm.h        | 35 ++++++++++++++++++++++++++++-------
 include/uapi/drm/drm_fourcc.h | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+), 7 deletions(-)

Comments

James Park Feb. 5, 2021, 10:16 p.m. UTC | #1
On Thu, Feb 4, 2021 at 6:55 PM James Park <jpark37@lagfreegames.com> wrote:
>
> Use DRM_FOURCC_STANDALONE to include drm_fourcc.h without drm.h.
>
> Copy type definitions from drm.h to drm_fourcc.h, and wrap with
> DRM_BASIC_TYPED_DEFINED to avoid redundant inclusion.
>
> This will allow code to avoid unnecessary definitions.
>
> Signed-off-by: James Park <jpark37@lagfreegames.com>
> ---
>  include/uapi/drm/drm.h        | 35 ++++++++++++++++++++++++++++-------
>  include/uapi/drm/drm_fourcc.h | 35 +++++++++++++++++++++++++++++++++++
>  2 files changed, 63 insertions(+), 7 deletions(-)
>
> diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
> index 808b48a..5640062 100644
> --- a/include/uapi/drm/drm.h
> +++ b/include/uapi/drm/drm.h
> @@ -36,23 +36,25 @@
>  #ifndef _DRM_H_
>  #define _DRM_H_
>
> +/**
> + * DRM_BASIC_TYPES_DEFINED section exists in both drm.h and drm_fourcc.h files.
> + * Do not modify the section in one file without updating the other!
> + */
> +
> +#ifndef DRM_BASIC_TYPES_DEFINED
> +#define DRM_BASIC_TYPES_DEFINED
> +
>  #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 */
> +#else /* Not Linux */
>
>  #include <stdint.h>
> -#include <sys/ioccom.h>
> -#include <sys/types.h>
>  typedef int8_t   __s8;
>  typedef uint8_t  __u8;
>  typedef int16_t  __s16;
> @@ -62,6 +64,25 @@ typedef uint32_t __u32;
>  typedef int64_t  __s64;
>  typedef uint64_t __u64;
>  typedef size_t   __kernel_size_t;
> +
> +#endif
> +
> +#endif /* DRM_BASIC_TYPES_DEFINED */
> +
> +#if defined(__KERNEL__)
> +
> +#include <asm/ioctl.h>
> +typedef unsigned int drm_handle_t;
> +
> +#elif defined(__linux__)
> +
> +#include <asm/ioctl.h>
> +typedef unsigned int drm_handle_t;
> +
> +#else /* One of the BSDs */
> +
> +#include <sys/ioccom.h>
> +#include <sys/types.h>
>  typedef unsigned long drm_handle_t;
>
>  #endif
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 723c8e2..5e5f4cf 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -24,7 +24,42 @@
>  #ifndef DRM_FOURCC_H
>  #define DRM_FOURCC_H
>
> +/**
> + * DRM_BASIC_TYPES_DEFINED section exists in both drm.h and drm_fourcc.h files.
> + * Do not modify the section in one file without updating the other!
> + */
> +
> +#ifndef DRM_BASIC_TYPES_DEFINED
> +#define DRM_BASIC_TYPES_DEFINED
> +
> +#if defined(__KERNEL__)
> +
> +#include <linux/types.h>
> +
> +#elif defined(__linux__)
> +
> +#include <linux/types.h>
> +
> +#else /* 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 /* DRM_BASIC_TYPES_DEFINED */
> +
> +#ifndef DRM_FOURCC_STANDALONE
>  #include "drm.h"
> +#endif
>
>  #if defined(__cplusplus)
>  extern "C" {
> --
> 2.7.4
>

Forgot to include Emil and Simon.
Simon Ser Feb. 8, 2021, 11:06 a.m. UTC | #2
Acked-by: Simon Ser <contact@emersion.fr>
diff mbox series

Patch

diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
index 808b48a..5640062 100644
--- a/include/uapi/drm/drm.h
+++ b/include/uapi/drm/drm.h
@@ -36,23 +36,25 @@ 
 #ifndef _DRM_H_
 #define _DRM_H_
 
+/**
+ * DRM_BASIC_TYPES_DEFINED section exists in both drm.h and drm_fourcc.h files.
+ * Do not modify the section in one file without updating the other!
+ */
+
+#ifndef DRM_BASIC_TYPES_DEFINED
+#define DRM_BASIC_TYPES_DEFINED
+
 #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 */
+#else /* Not Linux */
 
 #include <stdint.h>
-#include <sys/ioccom.h>
-#include <sys/types.h>
 typedef int8_t   __s8;
 typedef uint8_t  __u8;
 typedef int16_t  __s16;
@@ -62,6 +64,25 @@  typedef uint32_t __u32;
 typedef int64_t  __s64;
 typedef uint64_t __u64;
 typedef size_t   __kernel_size_t;
+
+#endif
+
+#endif /* DRM_BASIC_TYPES_DEFINED */
+
+#if defined(__KERNEL__)
+
+#include <asm/ioctl.h>
+typedef unsigned int drm_handle_t;
+
+#elif defined(__linux__)
+
+#include <asm/ioctl.h>
+typedef unsigned int drm_handle_t;
+
+#else /* One of the BSDs */
+
+#include <sys/ioccom.h>
+#include <sys/types.h>
 typedef unsigned long drm_handle_t;
 
 #endif
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 723c8e2..5e5f4cf 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -24,7 +24,42 @@ 
 #ifndef DRM_FOURCC_H
 #define DRM_FOURCC_H
 
+/**
+ * DRM_BASIC_TYPES_DEFINED section exists in both drm.h and drm_fourcc.h files.
+ * Do not modify the section in one file without updating the other!
+ */
+
+#ifndef DRM_BASIC_TYPES_DEFINED
+#define DRM_BASIC_TYPES_DEFINED
+
+#if defined(__KERNEL__)
+
+#include <linux/types.h>
+
+#elif defined(__linux__)
+
+#include <linux/types.h>
+
+#else /* 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 /* DRM_BASIC_TYPES_DEFINED */
+
+#ifndef DRM_FOURCC_STANDALONE
 #include "drm.h"
+#endif
 
 #if defined(__cplusplus)
 extern "C" {