aboutsummaryrefslogtreecommitdiffstats
path: root/legacy/evas/src/lib/canvas/evas_gl.c
blob: 85ed851bb4c115317b938b76d17a900d84fbb937 (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
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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
/* vim:set ts=8 sw=3 sts=3 expandtab cino=>5n-2f0^-2{2(0W1st0 :*/
#include "evas_common.h"
#include "evas_private.h"
#include "Evas_GL.h"

struct _Evas_GL
{
   DATA32      magic;
   Evas       *evas;

   Eina_List  *contexts;
   Eina_List  *surfaces;
};

struct _Evas_GL_Context
{
   void    *data;
};

struct _Evas_GL_Surface
{
   void    *data;
};

EAPI Evas_GL *
evas_gl_new(Evas *e)
{
   Evas_GL *evas_gl;

   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
   return NULL;
   MAGIC_CHECK_END();

   evas_gl = calloc(1, sizeof(Evas_GL));
   if (!evas_gl) return NULL;

   evas_gl->magic = MAGIC_EVAS_GL;
   evas_gl->evas = e;

   if (!evas_gl->evas->engine.func->gl_context_create)
     {
        ERR("GL engine not available\n");
        free(evas_gl);
        return NULL;
     }

   return evas_gl;
}

EAPI void
evas_gl_free(Evas_GL *evas_gl)
{
   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
   return;
   MAGIC_CHECK_END();


   // Delete undeleted surfaces
   while (evas_gl->surfaces)
     evas_gl_surface_destroy(evas_gl, evas_gl->surfaces->data);

   // Delete undeleted contexts
   while (evas_gl->contexts)
     evas_gl_context_destroy(evas_gl, evas_gl->contexts->data);

   evas_gl->magic = 0;
   free(evas_gl);
}

EAPI Evas_GL_Config *
evas_gl_config_new()
{
   Evas_GL_Config *cfg;

   cfg = calloc(1, sizeof(Evas_GL_Config));

   if (!cfg) return NULL;

   return cfg;
}

EAPI void
evas_gl_config_free(Evas_GL_Config *cfg)
{
   if (cfg) free(cfg);
}

EAPI Evas_GL_Surface *
evas_gl_surface_create(Evas_GL *evas_gl, Evas_GL_Config *config, int width, int height)
{
   Evas_GL_Surface *surf;

   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
   return NULL;
   MAGIC_CHECK_END();

   if (!config)
     {
        ERR("Invalid Config\n");
        return NULL;
     }

   surf = calloc(1, sizeof(Evas_GL_Surface));

   if (!surf) return NULL;

   surf->data = evas_gl->evas->engine.func->gl_surface_create(evas_gl->evas->engine.data.output, config, width, height);

   if (!surf->data)
     {
        ERR("Failed creating a surface from the engine\n");
        free(surf);
        return NULL;
     }

   // Keep track of the surface creations
   evas_gl->surfaces = eina_list_prepend(evas_gl->surfaces, surf);

   return surf;
}

EAPI void
evas_gl_surface_destroy(Evas_GL *evas_gl, Evas_GL_Surface *surf)
{
   // Magic
   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
   return;
   MAGIC_CHECK_END();

   if (!surf)
     {
        ERR("Trying to destroy a NULL surface pointer!\n");
        return;
     }

   // Call Engine's Surface Destroy
   evas_gl->evas->engine.func->gl_surface_destroy(evas_gl->evas->engine.data.output, surf->data);

   // Remove it from the list
   evas_gl->surfaces = eina_list_remove(evas_gl->surfaces, surf);

   // Delete the object
   free(surf);
   surf = NULL;
}

EAPI Evas_GL_Context *
evas_gl_context_create(Evas_GL *evas_gl, Evas_GL_Context *share_ctx)
{
   Evas_GL_Context *ctx;

   // Magic
   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
   return NULL;
   MAGIC_CHECK_END();

   // Allocate a context object
   ctx = calloc(1, sizeof(Evas_GL_Context));
   if (!ctx)
     {
        ERR("Unable to create a Evas_GL_Context object\n");
        return NULL;
     }

   // Call engine->gl_create_context
   if (share_ctx)
     {
        ctx->data = evas_gl->evas->engine.func->gl_context_create(evas_gl->evas->engine.data.output, share_ctx->data);
     }
   else
     {
        ctx->data = evas_gl->evas->engine.func->gl_context_create(evas_gl->evas->engine.data.output, NULL);
     }

   // Set a few variables
   if (!ctx->data)
     {
        ERR("Failed creating a context from the engine\n");
        free(ctx);
        return NULL;
     }

   // Keep track of the context creations
   evas_gl->contexts = eina_list_prepend(evas_gl->contexts, ctx);

   return ctx;

}

EAPI void
evas_gl_context_destroy(Evas_GL *evas_gl, Evas_GL_Context *ctx)
{

   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
   return;
   MAGIC_CHECK_END();

   if (!ctx)
     {
        ERR("Trying to destroy a NULL context pointer!\n");
        return;
     }

   // Call Engine's destroy
   evas_gl->evas->engine.func->gl_context_destroy(evas_gl->evas->engine.data.output, ctx->data);

   // Remove it from the list
   evas_gl->contexts = eina_list_remove(evas_gl->contexts, ctx);

   // Delete the object
   free(ctx);
   ctx = NULL;
}

EAPI Eina_Bool
evas_gl_make_current(Evas_GL *evas_gl, Evas_GL_Surface *surf, Evas_GL_Context *ctx)
{
   Eina_Bool ret;

   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
   return EINA_FALSE;
   MAGIC_CHECK_END();

   if ((!surf) || (!ctx))
     ret = (Eina_Bool)evas_gl->evas->engine.func->gl_make_current(evas_gl->evas->engine.data.output, NULL, NULL);
   else
     ret = (Eina_Bool)evas_gl->evas->engine.func->gl_make_current(evas_gl->evas->engine.data.output, surf->data, ctx->data);

   return ret;
}

EAPI const char *
evas_gl_string_query(Evas_GL *evas_gl, int name)
{
   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
   return EINA_FALSE;
   MAGIC_CHECK_END();

   return (const char *)evas_gl->evas->engine.func->gl_string_query(evas_gl->evas->engine.data.output, name);
}

EAPI Evas_GL_Func
evas_gl_proc_address_get(Evas_GL *evas_gl, const char *name)
{
   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
   return EINA_FALSE;
   MAGIC_CHECK_END();

   return (Evas_GL_Func)evas_gl->evas->engine.func->gl_proc_address_get(evas_gl->evas->engine.data.output, name);
}

EAPI Eina_Bool
evas_gl_native_surface_get(Evas_GL *evas_gl, Evas_GL_Surface *surf, Evas_Native_Surface *ns)
{
   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
   return EINA_FALSE;
   MAGIC_CHECK_END();

   return (Eina_Bool)evas_gl->evas->engine.func->gl_native_surface_get(evas_gl->evas->engine.data.output, surf->data, ns);
}


EAPI Evas_GL_API *
evas_gl_api_get(Evas_GL *evas_gl)
{
   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
   return NULL;
   MAGIC_CHECK_END();

   return (Evas_GL_API*)evas_gl->evas->engine.func->gl_api_get(evas_gl->evas->engine.data.output);

}