1/*
2 * Permission to use, copy, modify, distribute, and sell this software and its
3 * documentation for any purpose is hereby granted without fee, provided that
4 * the above copyright notice appear in all copies and that both that copyright
5 * notice and this permission notice appear in supporting documentation, and
6 * that the name of the copyright holders not be used in advertising or
7 * publicity pertaining to distribution of the software without specific,
8 * written prior permission.  The copyright holders make no representations
9 * about the suitability of this software for any purpose.  It is provided "as
10 * is" without express or implied warranty.
11 *
12 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
13 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
14 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
15 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
16 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
17 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
18 * OF THIS SOFTWARE.
19 */
20
21#include <errno.h>
22#include <stdbool.h>
23#include <stdio.h>
24#include <sys/types.h>
25
26#include <GL/gl.h> /* dri_interface needs GL types */
27#include <GL/internal/dri_interface.h>
28
29#include "drm-uapi/drm_fourcc.h"
30#include "loader_dri_helper.h"
31
32__DRIimage *loader_dri_create_image(__DRIscreen *screen,
33                                    const __DRIimageExtension *image,
34                                    uint32_t width, uint32_t height,
35                                    uint32_t dri_format, uint32_t dri_usage,
36                                    const uint64_t *modifiers,
37                                    unsigned int modifiers_count,
38                                    void *loaderPrivate)
39{
40   if (modifiers && modifiers_count > 0 &&
41       image->base.version > 14 && image->createImageWithModifiers) {
42      bool has_valid_modifier = false;
43      int i;
44
45      /* It's acceptable to create an image with INVALID modifier in the list,
46       * but it cannot be on the only modifier (since it will certainly fail
47       * later). While we could easily catch this after modifier creation, doing
48       * the check here is a convenient debug check likely pointing at whatever
49       * interface the client is using to build its modifier list.
50       */
51      for (i = 0; i < modifiers_count; i++) {
52         if (modifiers[i] != DRM_FORMAT_MOD_INVALID) {
53            has_valid_modifier = true;
54            break;
55         }
56      }
57      if (!has_valid_modifier)
58         return NULL;
59
60      if (image->base.version >= 19 && image->createImageWithModifiers2)
61         return image->createImageWithModifiers2(screen, width, height,
62                                                 dri_format, modifiers,
63                                                 modifiers_count, dri_usage,
64                                                 loaderPrivate);
65      else
66         return image->createImageWithModifiers(screen, width, height,
67                                                dri_format, modifiers,
68                                                modifiers_count, loaderPrivate);
69   }
70
71   /* No modifier given or fallback to the legacy createImage allowed */
72   return image->createImage(screen, width, height, dri_format, dri_usage,
73                             loaderPrivate);
74}
75