1 /*
2 * Copyright © 2011 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Benjamin Franzke <[email protected]>
26 */
27
28 #ifndef _GBM_DRI_INTERNAL_H_
29 #define _GBM_DRI_INTERNAL_H_
30
31 #include <xf86drm.h>
32 #include <string.h>
33 #include <sys/mman.h>
34 #include "gbmint.h"
35 #include "c11/threads.h"
36
37 #include <GL/gl.h> /* mesa_interface needs GL types */
38 #include "mesa_interface.h"
39 #include "kopper_interface.h"
40
41 struct gbm_dri_surface;
42 struct gbm_dri_bo;
43
44 struct gbm_dri_visual {
45 uint32_t gbm_format;
46 int dri_image_format;
47 };
48
49 struct gbm_dri_device {
50 struct gbm_device base;
51
52 char *driver_name; /* Name of the DRI module, without the _dri suffix */
53 bool software; /* A software driver was loaded */
54 bool swrast; /* this is swrast */
55 bool has_dmabuf_import;
56 bool has_dmabuf_export;
57 bool has_compression_modifiers;
58
59 __DRIscreen *screen;
60 __DRIcontext *context;
61 mtx_t mutex;
62
63 const __DRIconfig **driver_configs;
64 const __DRIextension **loader_extensions;
65
66 GLboolean (*validate_image)(void *image, void *data);
67 __DRIimage *(*lookup_image_validated)(void *image, void *data);
68 void *lookup_user_data;
69
70 void (*flush_front_buffer)(__DRIdrawable * driDrawable, void *data);
71 int (*image_get_buffers)(__DRIdrawable *driDrawable,
72 unsigned int format,
73 uint32_t *stamp,
74 void *loaderPrivate,
75 uint32_t buffer_mask,
76 struct __DRIimageList *buffers);
77 void (*swrast_put_image2)(__DRIdrawable *driDrawable,
78 int op,
79 int x,
80 int y,
81 int width,
82 int height,
83 int stride,
84 char *data,
85 void *loaderPrivate);
86 void (*swrast_get_image)(__DRIdrawable *driDrawable,
87 int x,
88 int y,
89 int width,
90 int height,
91 char *data,
92 void *loaderPrivate);
93
94 struct wl_drm *wl_drm;
95
96 const struct gbm_dri_visual *visual_table;
97 int num_visuals;
98 };
99
100 struct gbm_dri_bo {
101 struct gbm_bo base;
102
103 __DRIimage *image;
104
105 /* Used for cursors and the swrast front BO */
106 uint32_t handle, size;
107 void *map;
108 };
109
110 struct gbm_dri_surface {
111 struct gbm_surface base;
112
113 void *dri_private;
114 };
115
116 static inline struct gbm_dri_device *
gbm_dri_device(struct gbm_device * gbm)117 gbm_dri_device(struct gbm_device *gbm)
118 {
119 return (struct gbm_dri_device *) gbm;
120 }
121
122 static inline struct gbm_dri_bo *
gbm_dri_bo(struct gbm_bo * bo)123 gbm_dri_bo(struct gbm_bo *bo)
124 {
125 return (struct gbm_dri_bo *) bo;
126 }
127
128 static inline struct gbm_dri_surface *
gbm_dri_surface(struct gbm_surface * surface)129 gbm_dri_surface(struct gbm_surface *surface)
130 {
131 return (struct gbm_dri_surface *) surface;
132 }
133
134 static inline void *
gbm_dri_bo_map_dumb(struct gbm_dri_bo * bo)135 gbm_dri_bo_map_dumb(struct gbm_dri_bo *bo)
136 {
137 struct drm_mode_map_dumb map_arg;
138 int ret;
139
140 if (bo->image != NULL)
141 return NULL;
142
143 if (bo->map != NULL)
144 return bo->map;
145
146 memset(&map_arg, 0, sizeof(map_arg));
147 map_arg.handle = bo->handle;
148
149 ret = drmIoctl(bo->base.gbm->v0.fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg);
150 if (ret)
151 return NULL;
152
153 bo->map = mmap(NULL, bo->size, PROT_WRITE,
154 MAP_SHARED, bo->base.gbm->v0.fd, map_arg.offset);
155 if (bo->map == MAP_FAILED) {
156 bo->map = NULL;
157 return NULL;
158 }
159
160 return bo->map;
161 }
162
163 static inline void
gbm_dri_bo_unmap_dumb(struct gbm_dri_bo * bo)164 gbm_dri_bo_unmap_dumb(struct gbm_dri_bo *bo)
165 {
166 munmap(bo->map, bo->size);
167 bo->map = NULL;
168 }
169
170 #endif
171