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Change video_mode_type to an enum, fix collisions and add a bit more info

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-09-12 02:09:09 +02:00
parent d2467d2361
commit 4dd58a6edd
3 changed files with 39 additions and 21 deletions
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51
include/grub/video.h
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@ -38,24 +38,33 @@ struct grub_video_bitmap;
/* If following is set render target contains currenly displayed image
after swapping buffers (otherwise it contains previously displayed image).
*/
#define GRUB_VIDEO_MODE_TYPE_YUV 0x00000800
#define GRUB_VIDEO_MODE_TYPE_PLANAR 0x00000400
#define GRUB_VIDEO_MODE_TYPE_HERCULES 0x00000200
#define GRUB_VIDEO_MODE_TYPE_UNKNOWN 0x00000100
#define GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP 0x00000080
#define GRUB_VIDEO_MODE_TYPE_PURE_TEXT 0x00000040
#define GRUB_VIDEO_MODE_TYPE_ALPHA 0x00000020
#define GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED 0x00000010
#define GRUB_VIDEO_MODE_TYPE_1BIT_BITMAP 0x00000004
#define GRUB_VIDEO_MODE_TYPE_INDEX_COLOR 0x00000002
#define GRUB_VIDEO_MODE_TYPE_RGB 0x00000001
typedef enum grub_video_mode_type
{
GRUB_VIDEO_MODE_TYPE_RGB = 0x00000001,
GRUB_VIDEO_MODE_TYPE_INDEX_COLOR = 0x00000002,
GRUB_VIDEO_MODE_TYPE_1BIT_BITMAP = 0x00000004,
GRUB_VIDEO_MODE_TYPE_YUV = 0x00000008,
/* Defines used to mask flags. */
#define GRUB_VIDEO_MODE_TYPE_COLOR_MASK 0x0000000F
/* Defines used to mask flags. */
GRUB_VIDEO_MODE_TYPE_COLOR_MASK = 0x0000000F,
/* Defines used to specify requested bit depth. */
#define GRUB_VIDEO_MODE_TYPE_DEPTH_MASK 0x0000ff00
#define GRUB_VIDEO_MODE_TYPE_DEPTH_POS 8
GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED = 0x00000010,
GRUB_VIDEO_MODE_TYPE_ALPHA = 0x00000020,
GRUB_VIDEO_MODE_TYPE_PURE_TEXT = 0x00000040,
GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP = 0x00000080,
GRUB_VIDEO_MODE_TYPE_OPERATIONAL_MASK = 0x000000F0,
/* Defines used to specify requested bit depth. */
GRUB_VIDEO_MODE_TYPE_DEPTH_MASK = 0x0000FF00,
#define GRUB_VIDEO_MODE_TYPE_DEPTH_POS 8
GRUB_VIDEO_MODE_TYPE_UNKNOWN = 0x00010000,
GRUB_VIDEO_MODE_TYPE_HERCULES = 0x00020000,
GRUB_VIDEO_MODE_TYPE_PLANAR = 0x00040000,
GRUB_VIDEO_MODE_TYPE_NONCHAIN4 = 0x00080000,
GRUB_VIDEO_MODE_TYPE_CGA = 0x00100000,
GRUB_VIDEO_MODE_TYPE_INFO_MASK = 0x00FF0000,
} grub_video_mode_type_t;
/* The basic render target representing the whole display. This always
renders to the back buffer when double-buffering is in use. */
@ -107,7 +116,7 @@ struct grub_video_mode_info
/* Mode type bitmask. Contains information like is it Index color or
RGB mode. */
unsigned int mode_type;
grub_video_mode_type_t mode_type;
/* Bits per pixel. */
unsigned int bpp;
@ -232,7 +241,8 @@ struct grub_video_adapter
grub_err_t (*fini) (void);
grub_err_t (*setup) (unsigned int width, unsigned int height,
unsigned int mode_type, unsigned int mode_mask);
grub_video_mode_type_t mode_type,
grub_video_mode_type_t mode_mask);
grub_err_t (*get_info) (struct grub_video_mode_info *mode_info);
@ -409,8 +419,9 @@ grub_err_t EXPORT_FUNC (grub_video_set_mode) (const char *modestring,
unsigned int modevalue);
static inline int
grub_video_check_mode_flag (unsigned int flags, unsigned int mask,
unsigned int flag, int def)
grub_video_check_mode_flag (grub_video_mode_type_t flags,
grub_video_mode_type_t mask,
grub_video_mode_type_t flag, int def)
{
return (flag & mask) ? !! (flags & flag) : def;
}