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gerrit-public.fairphone.software / platform / external / minigbm / f9d2ab79a15a1bb6a1307f3b608964c81c27791b / . / helpers.c
blob: 2b72f1a770b0b57c6539902c4664640fc4e9cf5b [file] [log] [blame]
Stéphane Marchesin25a26062014-09-12 16:18:59 -0700[diff] [blame]1/*
2 * Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
5 */
6
7#include <stdlib.h>
8#include <stdio.h>
9#include <string.h>
10#include <xf86drm.h>
11
12#include "gbm_priv.h"
Lauri Peltonen904a8792015-01-17 13:57:51 +0200[diff] [blame]13#include "helpers.h"
Stéphane Marchesin25a26062014-09-12 16:18:59 -0700[diff] [blame]14
15int gbm_bpp_from_format(uint32_t format)
16{
17 if (format == GBM_BO_FORMAT_XRGB8888)
18 format = GBM_FORMAT_XRGB8888;
19 if (format == GBM_BO_FORMAT_ARGB8888)
20 format = GBM_FORMAT_ARGB8888;
21
22 switch(format)
23 {
24 case GBM_FORMAT_C8:
25 case GBM_FORMAT_RGB332:
26 case GBM_FORMAT_BGR233:
27 return 8;
28
29 case GBM_FORMAT_XRGB4444:
30 case GBM_FORMAT_XBGR4444:
31 case GBM_FORMAT_RGBX4444:
32 case GBM_FORMAT_BGRX4444:
33 case GBM_FORMAT_ARGB4444:
34 case GBM_FORMAT_ABGR4444:
35 case GBM_FORMAT_RGBA4444:
36 case GBM_FORMAT_BGRA4444:
37 case GBM_FORMAT_XRGB1555:
38 case GBM_FORMAT_XBGR1555:
39 case GBM_FORMAT_RGBX5551:
40 case GBM_FORMAT_BGRX5551:
41 case GBM_FORMAT_ARGB1555:
42 case GBM_FORMAT_ABGR1555:
43 case GBM_FORMAT_RGBA5551:
44 case GBM_FORMAT_BGRA5551:
45 case GBM_FORMAT_RGB565:
46 case GBM_FORMAT_BGR565:
47 return 16;
48
49 case GBM_FORMAT_RGB888:
50 case GBM_FORMAT_BGR888:
51 return 24;
52
53 case GBM_FORMAT_XRGB8888:
54 case GBM_FORMAT_XBGR8888:
55 case GBM_FORMAT_RGBX8888:
56 case GBM_FORMAT_BGRX8888:
57 case GBM_FORMAT_ARGB8888:
58 case GBM_FORMAT_ABGR8888:
59 case GBM_FORMAT_RGBA8888:
60 case GBM_FORMAT_BGRA8888:
61 case GBM_FORMAT_XRGB2101010:
62 case GBM_FORMAT_XBGR2101010:
63 case GBM_FORMAT_RGBX1010102:
64 case GBM_FORMAT_BGRX1010102:
65 case GBM_FORMAT_ARGB2101010:
66 case GBM_FORMAT_ABGR2101010:
67 case GBM_FORMAT_RGBA1010102:
68 case GBM_FORMAT_BGRA1010102:
69 case GBM_FORMAT_YUYV:
70 case GBM_FORMAT_YVYU:
71 case GBM_FORMAT_UYVY:
72 case GBM_FORMAT_VYUY:
73 case GBM_FORMAT_AYUV:
74 return 32;
75 }
76
77 printf("UNKNOWN FORMAT %d\n", format);
78 return 0;
79}
80
81int gbm_bytes_from_format(uint32_t format)
82{
83 return gbm_bpp_from_format(format) / 8;
84}
85
86int gbm_is_format_supported(struct gbm_bo *bo)
87{
88 return 1;
89}
90
91int gbm_dumb_bo_create(struct gbm_bo *bo, uint32_t width, uint32_t height, uint32_t format, uint32_t flags)
92{
93 struct drm_mode_create_dumb create_dumb;
94 int ret;
95
96 memset(&create_dumb, 0, sizeof(create_dumb));
97 create_dumb.height = height;
98 create_dumb.width = width;
99 create_dumb.bpp = gbm_bpp_from_format(format);
100 create_dumb.flags = 0;
101
102 ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_dumb);
Ilja H. Friedelf9d2ab72015-04-09 14:08:36 -0700[diff] [blame^]103 if (ret) {
104 fprintf(stderr, "minigbm: DRM_IOCTL_MODE_CREATE_DUMB failed "
105 "(handle=%x)\n", bo->handle.u32);
Stéphane Marchesin25a26062014-09-12 16:18:59 -0700[diff] [blame]106 return ret;
Ilja H. Friedelf9d2ab72015-04-09 14:08:36 -0700[diff] [blame^]107 }
Stéphane Marchesin25a26062014-09-12 16:18:59 -0700[diff] [blame]108
109 bo->handle.u32 = create_dumb.handle;
110 bo->size = create_dumb.size;
Daniel Nicoara1de26dc2014-09-25 18:53:19 -0400[diff] [blame]111 bo->stride = create_dumb.pitch;
Stéphane Marchesin25a26062014-09-12 16:18:59 -0700[diff] [blame]112
113 return 0;
114}
115
116int gbm_dumb_bo_destroy(struct gbm_bo *bo)
117{
118 struct drm_mode_destroy_dumb destroy_dumb;
119 int ret;
120
121 memset(&destroy_dumb, 0, sizeof(destroy_dumb));
122 destroy_dumb.handle = bo->handle.u32;
123
124 ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_dumb);
Ilja H. Friedelf9d2ab72015-04-09 14:08:36 -0700[diff] [blame^]125 if (ret) {
126 fprintf(stderr, "minigbm: DRM_IOCTL_MODE_DESTROY_DUMB failed "
127 "(handle=%x)\n", bo->handle.u32);
Stéphane Marchesin25a26062014-09-12 16:18:59 -0700[diff] [blame]128 return ret;
Ilja H. Friedelf9d2ab72015-04-09 14:08:36 -0700[diff] [blame^]129 }
Stéphane Marchesin25a26062014-09-12 16:18:59 -0700[diff] [blame]130
131 return 0;
132}
133
134int gbm_gem_bo_destroy(struct gbm_bo *bo)
135{
136 struct drm_gem_close gem_close;
137 int ret;
138
139 memset(&gem_close, 0, sizeof(gem_close));
140 gem_close.handle = bo->handle.u32;
141
142 ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
Ilja H. Friedelf9d2ab72015-04-09 14:08:36 -0700[diff] [blame^]143 if (ret) {
144 fprintf(stderr, "minigbm: DRM_IOCTL_GEM_CLOSE failed "
145 "(handle=%x)\n", bo->handle.u32);
Stéphane Marchesin25a26062014-09-12 16:18:59 -0700[diff] [blame]146 return ret;
Ilja H. Friedelf9d2ab72015-04-09 14:08:36 -0700[diff] [blame^]147 }
Stéphane Marchesin25a26062014-09-12 16:18:59 -0700[diff] [blame]148
149 return 0;
150}