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 <benjaminfranzke@googlemail.com>
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> /* dri_interface needs GL types */
38 #include "GL/internal/dri_interface.h"
39 #include "GL/internal/mesa_interface.h"
40 #include "kopper_interface.h"
41
42 struct gbm_dri_surface;
43 struct gbm_dri_bo;
44
45 struct gbm_dri_visual {
46 uint32_t gbm_format;
47 int dri_image_format;
48 };
49
50 struct gbm_dri_device {
51 struct gbm_device base;
52
53 void *driver;
54 char *driver_name; /* Name of the DRI module, without the _dri suffix */
55 bool software; /* A software driver was loaded */
56
57 __DRIscreen *screen;
58 __DRIcontext *context;
59 mtx_t mutex;
60
61 const __DRIcoreExtension *core;
62 const __DRImesaCoreExtension *mesa;
63 const __DRIimageExtension *image;
64 const __DRIimageDriverExtension *image_driver;
65 const __DRIswrastExtension *swrast;
66 const __DRIkopperExtension *kopper;
67 const __DRI2flushExtension *flush;
68
69 const __DRIconfig **driver_configs;
70 const __DRIextension **loader_extensions;
71 const __DRIextension **driver_extensions;
72
73 __DRIimage *(*lookup_image)(__DRIscreen *screen, void *image, void *data);
74 GLboolean (*validate_image)(void *image, void *data);
75 __DRIimage *(*lookup_image_validated)(void *image, void *data);
76 void *lookup_user_data;
77
78 void (*flush_front_buffer)(__DRIdrawable * driDrawable, void *data);
79 int (*image_get_buffers)(__DRIdrawable *driDrawable,
80 unsigned int format,
81 uint32_t *stamp,
82 void *loaderPrivate,
83 uint32_t buffer_mask,
84 struct __DRIimageList *buffers);
85 void (*swrast_put_image2)(__DRIdrawable *driDrawable,
86 int op,
87 int x,
88 int y,
89 int width,
90 int height,
91 int stride,
92 char *data,
93 void *loaderPrivate);
94 void (*swrast_get_image)(__DRIdrawable *driDrawable,
95 int x,
96 int y,
97 int width,
98 int height,
99 char *data,
100 void *loaderPrivate);
101
102 struct wl_drm *wl_drm;
103
104 const struct gbm_dri_visual *visual_table;
105 int num_visuals;
106 };
107
108 struct gbm_dri_bo {
109 struct gbm_bo base;
110
111 __DRIimage *image;
112
113 /* Used for cursors and the swrast front BO */
114 uint32_t handle, size;
115 void *map;
116 };
117
118 struct gbm_dri_surface {
119 struct gbm_surface base;
120
121 void *dri_private;
122 };
123
124 static inline struct gbm_dri_device *
gbm_dri_device(struct gbm_device * gbm)125 gbm_dri_device(struct gbm_device *gbm)
126 {
127 return (struct gbm_dri_device *) gbm;
128 }
129
130 static inline struct gbm_dri_bo *
gbm_dri_bo(struct gbm_bo * bo)131 gbm_dri_bo(struct gbm_bo *bo)
132 {
133 return (struct gbm_dri_bo *) bo;
134 }
135
136 static inline struct gbm_dri_surface *
gbm_dri_surface(struct gbm_surface * surface)137 gbm_dri_surface(struct gbm_surface *surface)
138 {
139 return (struct gbm_dri_surface *) surface;
140 }
141
142 static inline void *
gbm_dri_bo_map_dumb(struct gbm_dri_bo * bo)143 gbm_dri_bo_map_dumb(struct gbm_dri_bo *bo)
144 {
145 struct drm_mode_map_dumb map_arg;
146 int ret;
147
148 if (bo->image != NULL)
149 return NULL;
150
151 if (bo->map != NULL)
152 return bo->map;
153
154 memset(&map_arg, 0, sizeof(map_arg));
155 map_arg.handle = bo->handle;
156
157 ret = drmIoctl(bo->base.gbm->v0.fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg);
158 if (ret)
159 return NULL;
160
161 bo->map = mmap(NULL, bo->size, PROT_WRITE,
162 MAP_SHARED, bo->base.gbm->v0.fd, map_arg.offset);
163 if (bo->map == MAP_FAILED) {
164 bo->map = NULL;
165 return NULL;
166 }
167
168 return bo->map;
169 }
170
171 static inline void
gbm_dri_bo_unmap_dumb(struct gbm_dri_bo * bo)172 gbm_dri_bo_unmap_dumb(struct gbm_dri_bo *bo)
173 {
174 munmap(bo->map, bo->size);
175 bo->map = NULL;
176 }
177
178 #endif
179