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Diffstat (limited to 'libraries/evas/src/modules/engines/buffer/evas_engine.c')
-rw-r--r--libraries/evas/src/modules/engines/buffer/evas_engine.c403
1 files changed, 403 insertions, 0 deletions
diff --git a/libraries/evas/src/modules/engines/buffer/evas_engine.c b/libraries/evas/src/modules/engines/buffer/evas_engine.c
new file mode 100644
index 0000000..e8dff7a
--- /dev/null
+++ b/libraries/evas/src/modules/engines/buffer/evas_engine.c
@@ -0,0 +1,403 @@
1#include "evas_common.h"
2#include "evas_private.h"
3#include "evas_engine.h"
4#include "Evas_Engine_Buffer.h"
5
6/* domain for eina_log */
7/* the log macros are defined in evas_common.h */
8/* theirs names are EVAS_ERR, EVAS_DBG, EVAS_CRIT, EVAS_WRN and EVAS_INF */
9/* although we can use the EVAS_ERROR, etc... macros it will not work
10 when the -fvisibility=hidden option is passed to gcc */
11
12int _evas_engine_buffer_log_dom = -1;
13
14/* function tables - filled in later (func and parent func) */
15
16static Evas_Func func, pfunc;
17
18
19/* engine struct data */
20typedef struct _Render_Engine Render_Engine;
21
22struct _Render_Engine
23{
24 Tilebuf *tb;
25 Outbuf *ob;
26 Tilebuf_Rect *rects;
27 Eina_Inlist *cur_rect;
28 int end : 1;
29};
30
31/* prototypes we will use here */
32static void *_output_setup(int w, int h, void *dest_buffer, int dest_buffer_row_bytes, int depth_type, int use_color_key, int alpha_threshold, int color_key_r, int color_key_g, int color_key_b, void *(*new_update_region) (int x, int y, int w, int h, int *row_bytes), void (*free_update_region) (int x, int y, int w, int h, void *data));
33
34static void *eng_info(Evas *e __UNUSED__);
35static void eng_info_free(Evas *e __UNUSED__, void *info);
36static int eng_setup(Evas *e, void *info);
37static void eng_output_free(void *data);
38static void eng_output_resize(void *data, int w, int h);
39static void eng_output_tile_size_set(void *data, int w, int h);
40static void eng_output_redraws_rect_add(void *data, int x, int y, int w, int h);
41static void eng_output_redraws_rect_del(void *data, int x, int y, int w, int h);
42static void eng_output_redraws_clear(void *data);
43static void *eng_output_redraws_next_update_get(void *data, int *x, int *y, int *w, int *h, int *cx, int *cy, int *cw, int *ch);
44static void eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h);
45static void eng_output_flush(void *data);
46static void eng_output_idle_flush(void *data);
47
48/* internal engine routines */
49static void *
50_output_setup(int w,
51 int h,
52 void *dest_buffer,
53 int dest_buffer_row_bytes,
54 int depth_type,
55 int use_color_key,
56 int alpha_threshold,
57 int color_key_r,
58 int color_key_g,
59 int color_key_b,
60 void *(*new_update_region) (int x, int y, int w, int h, int *row_bytes),
61 void (*free_update_region) (int x, int y, int w, int h, void *data)
62 )
63{
64 Render_Engine *re;
65
66 re = calloc(1, sizeof(Render_Engine));
67 if (!re)
68 return NULL;
69 /* if we haven't initialized - init (automatic abort if already done) */
70 evas_common_cpu_init();
71
72 evas_common_blend_init();
73 evas_common_image_init();
74 evas_common_convert_init();
75 evas_common_scale_init();
76 evas_common_rectangle_init();
77 evas_common_polygon_init();
78 evas_common_line_init();
79 evas_common_font_init();
80 evas_common_draw_init();
81 evas_common_tilebuf_init();
82
83 evas_buffer_outbuf_buf_init();
84
85 {
86 Outbuf_Depth dep;
87 DATA32 color_key = 0;
88
89 dep = OUTBUF_DEPTH_BGR_24BPP_888_888;
90 if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_ARGB32)
91 dep = OUTBUF_DEPTH_ARGB_32BPP_8888_8888;
92 else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_RGB32)
93 dep = OUTBUF_DEPTH_RGB_32BPP_888_8888;
94 else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_BGRA32)
95 dep = OUTBUF_DEPTH_BGRA_32BPP_8888_8888;
96 else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_RGB24)
97 dep = OUTBUF_DEPTH_RGB_24BPP_888_888;
98 else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_BGR24)
99 dep = OUTBUF_DEPTH_BGR_24BPP_888_888;
100 R_VAL(&color_key) = color_key_r;
101 G_VAL(&color_key) = color_key_g;
102 B_VAL(&color_key) = color_key_b;
103 A_VAL(&color_key) = 0;
104 re->ob = evas_buffer_outbuf_buf_setup_fb(w,
105 h,
106 dep,
107 dest_buffer,
108 dest_buffer_row_bytes,
109 use_color_key,
110 color_key,
111 alpha_threshold,
112 new_update_region,
113 free_update_region);
114 }
115 re->tb = evas_common_tilebuf_new(w, h);
116 evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
117 return re;
118}
119
120/* engine api this module provides */
121static void *
122eng_info(Evas *e __UNUSED__)
123{
124 Evas_Engine_Info_Buffer *info;
125 info = calloc(1, sizeof(Evas_Engine_Info_Buffer));
126 if (!info) return NULL;
127 info->magic.magic = rand();
128 info->render_mode = EVAS_RENDER_MODE_BLOCKING;
129 return info;
130}
131
132static void
133eng_info_free(Evas *e __UNUSED__, void *info)
134{
135 Evas_Engine_Info_Buffer *in;
136 in = (Evas_Engine_Info_Buffer *)info;
137 free(in);
138}
139
140static int
141eng_setup(Evas *e, void *in)
142{
143 Render_Engine *re;
144 Evas_Engine_Info_Buffer *info;
145
146 info = (Evas_Engine_Info_Buffer *)in;
147 re = _output_setup(e->output.w,
148 e->output.h,
149 info->info.dest_buffer,
150 info->info.dest_buffer_row_bytes,
151 info->info.depth_type,
152 info->info.use_color_key,
153 info->info.alpha_threshold,
154 info->info.color_key_r,
155 info->info.color_key_g,
156 info->info.color_key_b,
157 info->info.func.new_update_region,
158 info->info.func.free_update_region);
159 if (e->engine.data.output)
160 eng_output_free(e->engine.data.output);
161 e->engine.data.output = re;
162 if (!e->engine.data.output) return 0;
163 if (!e->engine.data.context)
164 e->engine.data.context = e->engine.func->context_new(e->engine.data.output);
165 return 1;
166}
167
168static void
169eng_output_free(void *data)
170{
171 Render_Engine *re;
172
173 re = (Render_Engine *)data;
174 evas_buffer_outbuf_buf_free(re->ob);
175 evas_common_tilebuf_free(re->tb);
176 if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
177 free(re);
178
179 evas_common_font_shutdown();
180 evas_common_image_shutdown();
181}
182
183static void
184eng_output_resize(void *data, int w, int h)
185{
186 Render_Engine *re;
187
188 re = (Render_Engine *)data;
189 {
190 int depth;
191 void *dest;
192 int dest_row_bytes;
193 int alpha_level;
194 DATA32 color_key;
195 char use_color_key;
196 void * (*new_update_region) (int x, int y, int w, int h, int *row_bytes);
197 void (*free_update_region) (int x, int y, int w, int h, void *data);
198
199 depth = re->ob->depth;
200 dest = re->ob->dest;
201 dest_row_bytes = re->ob->dest_row_bytes;
202 alpha_level = re->ob->alpha_level;
203 color_key = re->ob->color_key;
204 use_color_key = re->ob->use_color_key;
205 new_update_region = re->ob->func.new_update_region;
206 free_update_region = re->ob->func.free_update_region;
207 evas_buffer_outbuf_buf_free(re->ob);
208 re->ob = evas_buffer_outbuf_buf_setup_fb(w,
209 h,
210 depth,
211 dest,
212 dest_row_bytes,
213 use_color_key,
214 color_key,
215 alpha_level,
216 new_update_region,
217 free_update_region);
218 }
219 evas_common_tilebuf_free(re->tb);
220 re->tb = evas_common_tilebuf_new(w, h);
221 if (re->tb)
222 evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
223}
224
225static void
226eng_output_tile_size_set(void *data, int w, int h)
227{
228 Render_Engine *re;
229
230 re = (Render_Engine *)data;
231 evas_common_tilebuf_set_tile_size(re->tb, w, h);
232}
233
234static void
235eng_output_redraws_rect_add(void *data, int x, int y, int w, int h)
236{
237 Render_Engine *re;
238
239 re = (Render_Engine *)data;
240 evas_common_tilebuf_add_redraw(re->tb, x, y, w, h);
241}
242
243static void
244eng_output_redraws_rect_del(void *data, int x, int y, int w, int h)
245{
246 Render_Engine *re;
247
248 re = (Render_Engine *)data;
249 evas_common_tilebuf_del_redraw(re->tb, x, y, w, h);
250}
251
252static void
253eng_output_redraws_clear(void *data)
254{
255 Render_Engine *re;
256
257 re = (Render_Engine *)data;
258 evas_common_tilebuf_clear(re->tb);
259}
260
261static void *
262eng_output_redraws_next_update_get(void *data, int *x, int *y, int *w, int *h, int *cx, int *cy, int *cw, int *ch)
263{
264 Render_Engine *re;
265 RGBA_Image *surface;
266 Tilebuf_Rect *rect;
267 int ux, uy, uw, uh;
268
269 re = (Render_Engine *)data;
270 if (re->end)
271 {
272 re->end = 0;
273 return NULL;
274 }
275 if (!re->rects)
276 {
277 re->rects = evas_common_tilebuf_get_render_rects(re->tb);
278 re->cur_rect = EINA_INLIST_GET(re->rects);
279 }
280 if (!re->cur_rect) return NULL;
281 rect = (Tilebuf_Rect *)re->cur_rect;
282 ux = rect->x; uy = rect->y; uw = rect->w; uh = rect->h;
283 re->cur_rect = re->cur_rect->next;
284 if (!re->cur_rect)
285 {
286 evas_common_tilebuf_free_render_rects(re->rects);
287 re->rects = NULL;
288 re->end = 1;
289 }
290
291 if ((ux + uw) > re->ob->w) uw = re->ob->w - ux;
292 if ((uy + uh) > re->ob->h) uh = re->ob->h - uy;
293 if ((uw <= 0) || (uh <= 0)) return NULL;
294 surface = evas_buffer_outbuf_buf_new_region_for_update(re->ob,
295 ux, uy, uw, uh,
296 cx, cy, cw, ch);
297 *x = ux; *y = uy; *w = uw; *h = uh;
298 return surface;
299}
300
301static void
302eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h)
303{
304 Render_Engine *re;
305
306 re = (Render_Engine *)data;
307#ifdef BUILD_PIPE_RENDER
308 evas_common_pipe_map_begin(surface);
309#endif
310 evas_buffer_outbuf_buf_push_updated_region(re->ob, surface, x, y, w, h);
311 evas_buffer_outbuf_buf_free_region_for_update(re->ob, surface);
312 evas_common_cpu_end_opt();
313}
314
315static void
316eng_output_flush(void *data)
317{
318 Render_Engine *re;
319
320 re = (Render_Engine *)data;
321}
322
323static void
324eng_output_idle_flush(void *data)
325{
326 Render_Engine *re;
327
328 re = (Render_Engine *)data;
329}
330
331static Eina_Bool
332eng_canvas_alpha_get(void *data, void *context __UNUSED__)
333{
334 Render_Engine *re;
335
336 re = (Render_Engine *)data;
337 if (re->ob->priv.back_buf)
338 return re->ob->priv.back_buf->cache_entry.flags.alpha;
339 return EINA_TRUE;
340}
341
342/* module advertising code */
343static int
344module_open(Evas_Module *em)
345{
346 if (!em) return 0;
347 /* get whatever engine module we inherit from */
348 if (!_evas_module_engine_inherit(&pfunc, "software_generic")) return 0;
349
350 _evas_engine_buffer_log_dom = eina_log_domain_register
351 ("evas-buffer", EINA_COLOR_BLUE);
352 if (_evas_engine_buffer_log_dom < 0)
353 {
354 EINA_LOG_ERR("Can not create a module log domain.");
355 return 0;
356 }
357
358 /* store it for later use */
359 func = pfunc;
360 /* now to override methods */
361#define ORD(f) EVAS_API_OVERRIDE(f, &func, eng_)
362 ORD(info);
363 ORD(info_free);
364 ORD(setup);
365 ORD(canvas_alpha_get);
366 ORD(output_free);
367 ORD(output_resize);
368 ORD(output_tile_size_set);
369 ORD(output_redraws_rect_add);
370 ORD(output_redraws_rect_del);
371 ORD(output_redraws_clear);
372 ORD(output_redraws_next_update_get);
373 ORD(output_redraws_next_update_push);
374 ORD(output_flush);
375 ORD(output_idle_flush);
376 /* now advertise out own api */
377 em->functions = (void *)(&func);
378 return 1;
379}
380
381static void
382module_close(Evas_Module *em __UNUSED__)
383{
384 eina_log_domain_unregister(_evas_engine_buffer_log_dom);
385}
386
387static Evas_Module_Api evas_modapi =
388{
389 EVAS_MODULE_API_VERSION,
390 "buffer",
391 "none",
392 {
393 module_open,
394 module_close
395 }
396};
397
398EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, buffer);
399
400#ifndef EVAS_STATIC_BUILD_BUFFER
401EVAS_EINA_MODULE_DEFINE(engine, buffer);
402#endif
403
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