summaryrefslogtreecommitdiff
path: root/src/modules/evas/engines/software_ddraw/evas_engine.c
blob: a9359226caa798d24b44ee1bfe60e8510855e34e (plain) (blame)
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
#include "evas_common_private.h"
#include "evas_private.h"
#include "evas_engine.h"
#include "Evas_Engine_Software_DDraw.h"

int _evas_engine_soft_ddraw_log_dom = -1;
/* function tables - filled in later (func and parent func) */
static Evas_Func func, pfunc;

/* engine struct data */
typedef struct _Render_Engine Render_Engine;

struct _Render_Engine
{
   Render_Output_Software_Generic generic;
};

/* log domain variable */
int _evas_log_dom_module = -1;

/* engine api this module provides */

static void *
eng_output_setup(void *engine EINA_UNUSED, void *in, unsigned int w, unsigned int h)
{
   Evas_Engine_Info_Software_DDraw *info = in;
   Render_Engine *re;
   Outbuf *ob;

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

   evas_software_ddraw_outbuf_init();

   ob = evas_software_ddraw_outbuf_setup(w, h,
                                         info->info.rotation,
                                         OUTBUF_DEPTH_INHERIT,
                                         info->info.window,
                                         info->info.depth,
                                         info->info.fullscreen);
   if (!ob) goto on_error;

   if (!evas_render_engine_software_generic_init(&re->generic, ob, NULL,
                                                 evas_software_ddraw_outbuf_rot_get,
                                                 evas_software_ddraw_outbuf_reconfigure,
                                                 NULL,
                                                 NULL,
                                                 evas_software_ddraw_outbuf_new_region_for_update,
                                                 evas_software_ddraw_outbuf_push_updated_region,
                                                 evas_software_ddraw_outbuf_free_region_for_update,
                                                 evas_software_ddraw_outbuf_idle_flush,
                                                 evas_software_ddraw_outbuf_flush,
                                                 NULL,
                                                 evas_software_ddraw_outbuf_free,
                                                 w, h))
     goto on_error;

   return re;

 on_error:
   if (ob) evas_software_ddraw_outbuf_free(ob);
   free(re);
   return NULL;
}

static void
eng_output_info_setup(void *info)
{
   Evas_Engine_Info_Software_DDraw *einfo = info;

   einfo->render_mode = EVAS_RENDER_MODE_BLOCKING;
}

static void
eng_output_free(void *engine EINA_UNUSED, void *data)
{
   Render_Engine *re;

   if (!data) return;

   re = (Render_Engine *)data;
   evas_render_engine_software_generic_clean(&re->generic);
   free(re);
}

static Eina_Bool
eng_canvas_alpha_get(void *engine EINA_UNUSED)
{
#warning "We need to handle window with alpha channel."
   return EINA_FALSE;
}

/* module advertising code */
static int
module_open(Evas_Module *em)
{
   if (!em) return 0;
   /* get whatever engine module we inherit from */
   if (!_evas_module_engine_inherit(&pfunc, "software_generic", sizeof (Evas_Engine_Info_Software_DDraw))) return 0;
   _evas_log_dom_module = eina_log_domain_register
     ("evas-software_ddraw", EVAS_DEFAULT_LOG_COLOR);
   if (_evas_log_dom_module < 0)
     {
        EINA_LOG_ERR("Can not create a module log domain.");
        return 0;
     }
   /* store it for later use */
   func = pfunc;
   /* now to override methods */
#define ORD(f) EVAS_API_OVERRIDE(f, &func, eng_)
   ORD(output_info_setup);
   ORD(output_setup);
   ORD(canvas_alpha_get);
   ORD(output_free);

   /* now advertise out own api */
   em->functions = (void *)(&func);
   return 1;
}

static void
module_close(Evas_Module *em EINA_UNUSED)
{
   if (_evas_log_dom_module >= 0)
     {
        eina_log_domain_unregister(_evas_log_dom_module);
        _evas_log_dom_module = -1;
     }
}

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

EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, software_ddraw);

#ifndef EVAS_STATIC_BUILD_SOFTWARE_DDRAW
EVAS_EINA_MODULE_DEFINE(engine, software_ddraw);
#endif