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
loader_dri_create_image(__DRIscreen * screen,const __DRIimageExtension * image,uint32_t width,uint32_t height,uint32_t dri_format,uint32_t dri_usage,const uint64_t * modifiers,unsigned int modifiers_count,void * loaderPrivate)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