Commit a5127bd7 authored by Gerd Hoffmann's avatar Gerd Hoffmann Committed by Alex Williamson
Browse files

ui/pixman: add qemu_drm_format_to_pixman() 



Map drm fourcc codes to pixman formats.

Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent 8e8ee850

include/ui/qemu-pixman.h

+5 −0
Original line number Diff line number Diff line
@@ -33,6 +33,8 @@ 
# define PIXMAN_BE_r8g8b8a8   PIXMAN_r8g8b8a8

# define PIXMAN_BE_x8b8g8r8   PIXMAN_x8b8g8r8

# define PIXMAN_BE_a8b8g8r8   PIXMAN_a8b8g8r8

# define PIXMAN_LE_r8g8b8     PIXMAN_b8g8r8

# define PIXMAN_LE_a8r8g8b8   PIXMAN_b8g8r8a8

# define PIXMAN_LE_x8r8g8b8   PIXMAN_b8g8r8x8

#else

# define PIXMAN_BE_r8g8b8     PIXMAN_b8g8r8
@@ -44,6 +46,8 @@ 
# define PIXMAN_BE_r8g8b8a8   PIXMAN_a8b8g8r8

# define PIXMAN_BE_x8b8g8r8   PIXMAN_r8g8b8x8

# define PIXMAN_BE_a8b8g8r8   PIXMAN_r8g8b8a8

# define PIXMAN_LE_r8g8b8     PIXMAN_r8g8b8

# define PIXMAN_LE_a8r8g8b8   PIXMAN_a8r8g8b8

# define PIXMAN_LE_x8r8g8b8   PIXMAN_x8r8g8b8

#endif
@@ -51,6 +55,7 @@ 


PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);

pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);

pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format);

int qemu_pixman_get_type(int rshift, int gshift, int bshift);

pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);

bool qemu_pixman_check_format(DisplayChangeListener *dcl,

ui/qemu-pixman.c

+22 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#include "qemu/osdep.h"

#include "qemu-common.h"

#include "ui/console.h"

#include "standard-headers/drm/drm_fourcc.h"



PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format)

{
@@ -88,6 +89,27 @@ pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian) 
    return 0;

}



/* Note: drm is little endian, pixman is native endian */

pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format)

{

    static const struct {

        uint32_t drm_format;

        pixman_format_code_t pixman;

    } map[] = {

        { DRM_FORMAT_RGB888,   PIXMAN_LE_r8g8b8   },

        { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 },

        { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 }

    };

    int i;



    for (i = 0; i < ARRAY_SIZE(map); i++) {

        if (drm_format == map[i].drm_format) {

            return map[i].pixman;

        }

    }

    return 0;

}



int qemu_pixman_get_type(int rshift, int gshift, int bshift)

{

    int type = PIXMAN_TYPE_OTHER;