summaryrefslogtreecommitdiff
path: root/src/modules/evas/engines/drm/evas_engine.c
blob: 6aecbc6c25b4c7c953d4d3c2612aa9eaf2881f6a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
#include "evas_engine.h"

typedef struct _Render_Engine
{
   Render_Engine_Software_Generic generic;
} Render_Engine;

static Evas_Func func, pfunc;

int _evas_engine_drm_log_dom;

static Render_Engine *
_render_engine_setup(Evas_Engine_Info_Drm *info, int w, int h)
{
   Render_Engine *re;
   Outbuf *ob;

   re = calloc(1, sizeof(Render_Engine));
   if (!re) return NULL;

   ob = _outbuf_setup(info, w, h);
   if (!ob) goto err;

   if (!evas_render_engine_software_generic_init(&re->generic, ob,
                                                 _outbuf_state_get,
                                                 _outbuf_rotation_get,
                                                 _outbuf_reconfigure,
                                                 NULL,
                                                 _outbuf_update_region_new,
                                                 _outbuf_update_region_push,
                                                 _outbuf_update_region_free,
                                                 NULL,
                                                 _outbuf_flush,
                                                 _outbuf_free,
                                                 ob->w, ob->h))
     goto init_err;

   return re;

init_err:
   evas_render_engine_software_generic_clean(&re->generic);
err:
   free(re);
   return NULL;
}

static void *
eng_info(Evas *evas EINA_UNUSED)
{
   Evas_Engine_Info_Drm *info;

   /* try to allocate space for our engine info structure */
   info = calloc(1, sizeof(Evas_Engine_Info_Drm));
   if (!info) return NULL;

   /* set some engine default properties */
   info->magic.magic = rand();
   info->render_mode = EVAS_RENDER_MODE_BLOCKING;

   return info;
}

static void
eng_info_free(Evas *evas EINA_UNUSED, void *einfo)
{
   Evas_Engine_Info_Drm *info;

   /* free the engine info */
   info = (Evas_Engine_Info_Drm *)einfo;
   free(info);
}

static int
eng_setup(Evas *evas, void *einfo)
{
   Render_Engine *re;
   Evas_Public_Data *epd;
   Evas_Engine_Info_Drm *info;

   info = (Evas_Engine_Info_Drm *)einfo;
   if (!info) return 0;

   epd = efl_data_scope_get(evas, EVAS_CANVAS_CLASS);
   if (!epd) return 0;

   re = epd->engine.data.output;
   if (!re)
     {
        evas_common_init();

        re = _render_engine_setup(info, epd->output.w, epd->output.h);
        if (!re) return 0;
     }
   else
     {
        Outbuf *ob;

        ob = _outbuf_setup(info, epd->output.w, epd->output.h);
        if (!ob) return 0;

        evas_render_engine_software_generic_update(&re->generic, ob,
                                                   ob->w, ob->h);
     }

   epd->engine.data.output = re;
   if (!epd->engine.data.output) return 0;

   if (!epd->engine.data.context)
     {
        epd->engine.data.context =
          epd->engine.func->context_new(epd->engine.data.output);
     }

   return 1;
}

static void
eng_output_free(void *data)
{
   Render_Engine *re;

   re = data;
   if (re)
     {
        evas_render_engine_software_generic_clean(&re->generic);
        free(re);
     }

   evas_common_shutdown();
}

static int
module_open(Evas_Module *em)
{
   /* check for valid evas module */
   if (!em) return 0;

   /* try to inherit functions from software_generic engine */
   if (!_evas_module_engine_inherit(&pfunc, "software_generic")) return 0;

   /* try to create eina logging domain */
   _evas_engine_drm_log_dom = 
     eina_log_domain_register("evas-drm", EVAS_DEFAULT_LOG_COLOR);

   /* if we could not create a logging domain, error out */
   if (_evas_engine_drm_log_dom < 0)
     {
        EINA_LOG_ERR("Can not create a module log domain.");
        return 0;
     }

   ecore_init();

   /* store parent functions */
   func = pfunc;

   /* override the methods we provide */
   EVAS_API_OVERRIDE(info, &func, eng_);
   EVAS_API_OVERRIDE(info_free, &func, eng_);
   EVAS_API_OVERRIDE(setup, &func, eng_);
   EVAS_API_OVERRIDE(output_free, &func, eng_);

   /* advertise our engine functions */
   em->functions = (void *)(&func);

   return 1;
}

static void 
module_close(Evas_Module *em EINA_UNUSED)
{
   /* unregister the eina log domain for this engine */
   eina_log_domain_unregister(_evas_engine_drm_log_dom);

   ecore_shutdown();
}

static Evas_Module_Api evas_modapi =
{
   EVAS_MODULE_API_VERSION, "drm", "none", { module_open, module_close }
};

EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, drm);

#ifndef EVAS_STATIC_BUILD_DRM
EVAS_EINA_MODULE_DEFINE(engine, drm);
#endif