forked from enlightenment/efl
737 lines
17 KiB
C
737 lines
17 KiB
C
#include "evas_common.h"
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#include "evas_private.h"
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#include "evas_engine.h"
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#include "Evas_Engine_Software_16_X11.h"
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#include "evas_common_soft16.h"
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int _evas_engine_soft16_x11_log_dom = -1;
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/* function tables - filled in later (func and parent func) */
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static Evas_Func func, pfunc;
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struct xrdb_user
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{
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time_t last_stat;
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time_t last_mtime;
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XrmDatabase db;
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};
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static struct xrdb_user xrdb_user = {0, 0, NULL};
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static Eina_Bool
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xrdb_user_query(const char *name, const char *cls, char **type, XrmValue *val)
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{
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time_t last = xrdb_user.last_stat, now = time(NULL);
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xrdb_user.last_stat = now;
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if (last != now) /* don't stat() more than once every second */
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{
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struct stat st;
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const char *home = getenv("HOME");
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char tmp[PATH_MAX];
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if (!home) goto failed;
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snprintf(tmp, sizeof(tmp), "%s/.Xdefaults", home);
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if (stat(tmp, &st) != 0) goto failed;
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if (xrdb_user.last_mtime != st.st_mtime)
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{
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if (xrdb_user.db) XrmDestroyDatabase(xrdb_user.db);
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xrdb_user.db = XrmGetFileDatabase(tmp);
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if (!xrdb_user.db) goto failed;
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xrdb_user.last_mtime = st.st_mtime;
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}
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}
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if (!xrdb_user.db) return EINA_FALSE;
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return XrmGetResource(xrdb_user.db, name, cls, type, val);
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failed:
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if (xrdb_user.db)
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{
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XrmDestroyDatabase(xrdb_user.db);
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xrdb_user.db = NULL;
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}
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xrdb_user.last_mtime = 0;
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return EINA_FALSE;
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}
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/* engine struct data */
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typedef struct _Render_Engine Render_Engine;
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struct _Render_Engine
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{
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Display *disp;
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Drawable draw;
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GC gc;
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int w, h, rot;
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Tilebuf *tb;
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Tilebuf_Rect *rects;
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Tilebuf_Rect *cur_rect;
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XrmDatabase xrdb; // xres - dpi
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struct { // xres - dpi
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int dpi; // xres - dpi
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} xr; // xres - dpi
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X_Output_Buffer *shbuf;
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Soft16_Image *tmp_out; /* used by indirect render, like rotation */
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Region clip_rects;
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unsigned char end : 1;
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unsigned char shm : 1;
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};
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/* prototypes we will use here */
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static void *eng_info(Evas *e);
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static void eng_info_free(Evas *e, void *info);
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static int eng_setup(Evas *e, void *info);
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static void eng_output_free(void *data);
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static void eng_output_resize(void *data, int w, int h);
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static void eng_output_tile_size_set(void *data, int w, int h);
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static void eng_output_redraws_rect_add(void *data, int x, int y, int w, int h);
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static void eng_output_redraws_rect_del(void *data, int x, int y, int w, int h);
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static void eng_output_redraws_clear(void *data);
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static 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);
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static void eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h);
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static void eng_output_flush(void *data);
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static void eng_output_idle_flush(void *data);
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/* engine api this module provides */
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static void *
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eng_info(Evas *e)
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{
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Evas_Engine_Info_Software_16_X11 *info;
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info = calloc(1, sizeof(Evas_Engine_Info_Software_16_X11));
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if (!info) return NULL;
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info->magic.magic = rand();
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info->render_mode = EVAS_RENDER_MODE_BLOCKING;
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return info;
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e = NULL;
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}
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static void
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eng_info_free(Evas *e __UNUSED__, void *info)
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{
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Evas_Engine_Info_Software_16_X11 *in;
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in = (Evas_Engine_Info_Software_16_X11 *)info;
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free(in);
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}
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static void
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_tmp_out_alloc(Render_Engine *re)
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{
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Tilebuf_Rect *r;
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int w = 0, h = 0;
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EINA_INLIST_FOREACH(re->rects, r)
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{
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if (r->w > w) w = r->w;
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if (r->h > h) h = r->h;
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}
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if (re->tmp_out)
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{
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if ((re->tmp_out->cache_entry.w < w) || (re->tmp_out->cache_entry.h < h))
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{
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evas_cache_image_drop(&re->tmp_out->cache_entry);
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re->tmp_out = NULL;
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}
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}
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if (!re->tmp_out)
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{
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Soft16_Image *im;
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im = (Soft16_Image *) evas_cache_image_empty(evas_common_soft16_image_cache_get());
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im->cache_entry.flags.alpha = 0;
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evas_cache_image_surface_alloc(&im->cache_entry, w, h);
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re->tmp_out = im;
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}
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}
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static int
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eng_setup(Evas *e, void *in)
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{
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Render_Engine *re;
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Evas_Engine_Info_Software_16_X11 *info;
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/* X_Output_Buffer *xob; */
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XGCValues gcv;
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info = (Evas_Engine_Info_Software_16_X11 *)in;
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if (!e->engine.data.output)
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{
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/* the only check - simplistic, i know, but enough for this
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* "special purpose" engine. Remember it is meant to be used
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* for limited power devices that have a 16bit display mode
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* and no real other acceleration, and high resolution so we
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* can pre-dither into 16bpp. */
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// if (DefaultDepth(info->info.display,
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// DefaultScreen(info->info.display)) != 16)
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// return;
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/* do common routine init - we wil at least use it for core
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* image loading and font loading/glyph rendering & placement */
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evas_common_cpu_init();
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evas_common_blend_init();
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evas_common_image_init();
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evas_common_convert_init();
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evas_common_scale_init();
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evas_common_rectangle_init();
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evas_common_gradient_init();
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evas_common_polygon_init();
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evas_common_line_init();
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evas_common_font_init();
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evas_common_draw_init();
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evas_common_tilebuf_init();
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evas_common_soft16_image_init();
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/* render engine specific data */
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re = calloc(1, sizeof(Render_Engine));
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if (!re)
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return 0;
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e->engine.data.output = re;
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re->disp = info->info.display;
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re->draw = info->info.drawable;
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re->gc = XCreateGC(re->disp, re->draw, 0, &gcv);
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re->w = e->output.w;
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re->h = e->output.h;
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re->rot = info->info.rotation;
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re->tb = evas_common_tilebuf_new(e->output.w, e->output.h);
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if (re->tb)
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evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
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}
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else
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{
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/* we changed the info after first init - do a re-eval where
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* appropriate */
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// if (DefaultDepth(info->info.display,
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// DefaultScreen(info->info.display)) != 16)
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// return;
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re = e->engine.data.output;
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if (re->tb) evas_common_tilebuf_free(re->tb);
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re->disp = info->info.display;
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re->draw = info->info.drawable;
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XFreeGC(re->disp, re->gc);
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re->gc = XCreateGC(re->disp, re->draw, 0, &gcv);
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re->w = e->output.w;
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re->h = e->output.h;
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re->rot = info->info.rotation;
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re->tb = evas_common_tilebuf_new(e->output.w, e->output.h);
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if (re->tb)
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evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
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if (re->tmp_out)
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{
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evas_cache_image_drop(&re->tmp_out->cache_entry);
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re->tmp_out = NULL;
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}
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}
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if (!e->engine.data.output) return 0;
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{
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int status;
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char *type = NULL;
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XrmValue val;
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re->xr.dpi = 75000; // dpy * 1000
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status = xrdb_user_query("Xft.dpi", "Xft.Dpi", &type, &val);
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if ((!status) || (!type))
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{
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if (!re->xrdb) re->xrdb = XrmGetDatabase(re->disp);
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if (re->xrdb)
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status = XrmGetResource(re->xrdb,
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"Xft.dpi", "Xft.Dpi", &type, &val);
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}
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if ((status) && (type))
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{
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if (!strcmp(type, "String"))
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{
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const char *str, *dp;
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str = val.addr;
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dp = strchr(str, '.');
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if (!dp) dp = strchr(str, ',');
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if (dp)
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{
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int subdpi, len, i;
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char *buf;
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buf = alloca(dp - str + 1);
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strncpy(buf, str, dp - str);
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buf[dp - str] = 0;
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len = strlen(dp + 1);
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subdpi = atoi(dp + 1);
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if (len < 3)
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{
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for (i = len; i < 3; i++) subdpi *= 10;
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}
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else if (len > 3)
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{
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for (i = len; i > 3; i--) subdpi /= 10;
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}
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re->xr.dpi = atoi(buf) * 1000;
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}
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else
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re->xr.dpi = atoi(str) * 1000;
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}
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}
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evas_common_font_dpi_set(re->xr.dpi / 1000);
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}
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/* add a draw context if we dont have one */
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if (!e->engine.data.context)
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e->engine.data.context =
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e->engine.func->context_new(e->engine.data.output);
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/* check if the display can do shm */
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re->shm = evas_software_x11_x_can_do_shm(re->disp);
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return 1;
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}
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static void
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eng_output_free(void *data)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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// NOTE: XrmGetDatabase() result is shared per connection, do not free it.
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// if (re->xrdb) XrmDestroyDatabase(re->xrdb);
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if (re->shbuf) evas_software_x11_x_output_buffer_free(re->shbuf, 0);
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if (re->clip_rects) XDestroyRegion(re->clip_rects);
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if (re->gc) XFreeGC(re->disp, re->gc);
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if (re->tb) evas_common_tilebuf_free(re->tb);
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if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
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if (re->tmp_out) evas_cache_image_drop(&re->tmp_out->cache_entry);
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free(re);
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evas_common_font_shutdown();
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evas_common_image_shutdown();
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evas_common_soft16_image_shutdown();
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}
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static void
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eng_output_resize(void *data, int w, int h)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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if ((re->w == w) && (re->h == h)) return;
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evas_common_tilebuf_free(re->tb);
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re->w = w;
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re->h = h;
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re->tb = evas_common_tilebuf_new(w, h);
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if (re->tb)
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evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
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if (re->shbuf)
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{
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evas_software_x11_x_output_buffer_free(re->shbuf, 0);
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re->shbuf = NULL;
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}
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if (re->clip_rects)
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{
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XDestroyRegion(re->clip_rects);
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re->clip_rects = NULL;
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}
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if (re->tmp_out)
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{
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evas_cache_image_drop(&re->tmp_out->cache_entry);
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re->tmp_out = NULL;
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}
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}
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static void
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eng_output_tile_size_set(void *data, int w, int h)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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evas_common_tilebuf_set_tile_size(re->tb, w, h);
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}
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static void
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eng_output_redraws_rect_add(void *data, int x, int y, int w, int h)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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evas_common_tilebuf_add_redraw(re->tb, x, y, w, h);
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}
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static void
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eng_output_redraws_rect_del(void *data, int x, int y, int w, int h)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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evas_common_tilebuf_del_redraw(re->tb, x, y, w, h);
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}
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static void
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eng_output_redraws_clear(void *data)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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evas_common_tilebuf_clear(re->tb);
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}
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static inline void
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_output_buffer_alloc(Render_Engine *re)
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{
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int w, h;
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if (re->shbuf) return;
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if ((re->rot == 0) || (re->rot == 180))
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{
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w = re->w;
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h = re->h;
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}
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else
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{
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w = re->h;
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h = re->w;
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}
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re->shbuf = evas_software_x11_x_output_buffer_new
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(re->disp, DefaultVisual(re->disp, DefaultScreen(re->disp)),
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DefaultDepth(re->disp, DefaultScreen(re->disp)),
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w, h, 1, NULL);
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}
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static void *
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eng_output_redraws_next_update_get(void *data, int *x, int *y, int *w, int *h, int *cx, int *cy, int *cw, int *ch)
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{
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Render_Engine *re;
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Tilebuf_Rect *rect;
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int ux, uy, uw, uh;
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re = (Render_Engine *)data;
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if (re->end)
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{
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re->end = 0;
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return NULL;
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}
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if (!re->rects)
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{
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re->rects = evas_common_tilebuf_get_render_rects(re->tb);
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if (!re->rects) return NULL;
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re->cur_rect = re->rects;
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_output_buffer_alloc(re);
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if (re->rot != 0) _tmp_out_alloc(re); /* grows if required */
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}
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if (!re->cur_rect)
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{
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if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
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re->rects = NULL;
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return NULL;
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}
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rect = re->cur_rect;
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ux = rect->x; uy = rect->y; uw = rect->w; uh = rect->h;
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re->cur_rect = (Tilebuf_Rect *)((EINA_INLIST_GET(re->cur_rect))->next);
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if (!re->cur_rect)
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{
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evas_common_tilebuf_free_render_rects(re->rects);
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re->rects = NULL;
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re->end = 1;
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}
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*x = ux; *y = uy; *w = uw; *h = uh;
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if (re->rot == 0)
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{
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*cx = ux; *cy = uy; *cw = uw; *ch = uh;
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return re->shbuf->im;
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}
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else
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{
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*cx = 0; *cy = 0; *cw = uw; *ch = uh;
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return re->tmp_out;
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}
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}
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static void
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_blit_rot_90(Soft16_Image *dst, const Soft16_Image *src,
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int out_x, int out_y, int w, int h)
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{
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DATA16 *dp, *sp;
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int x, y;
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sp = src->pixels;
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dp = dst->pixels + (out_x +
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(w + out_y - 1) * dst->stride);
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for (y = 0; y < h; y++)
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{
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DATA16 *dp_itr, *sp_itr;
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sp_itr = sp;
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dp_itr = dp;
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for (x = 0; x < w; x++)
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{
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*dp_itr = *sp_itr;
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sp_itr++;
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dp_itr -= dst->stride;
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}
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sp += src->stride;
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dp++;
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}
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}
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static void
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_blit_rot_180(Soft16_Image *dst, const Soft16_Image *src,
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int out_x, int out_y, int w, int h)
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{
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DATA16 *dp, *sp;
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int x, y;
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sp = src->pixels;
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dp = dst->pixels + ((w + out_x - 1) +
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(h + out_y - 1) * dst->stride);
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for (y = 0; y < h; y++)
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{
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DATA16 *dp_itr, *sp_itr;
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sp_itr = sp;
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dp_itr = dp;
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for (x = 0; x < w; x++)
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{
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*dp_itr = *sp_itr;
|
|
|
|
sp_itr++;
|
|
dp_itr--;
|
|
}
|
|
sp += src->stride;
|
|
dp -= dst->stride;
|
|
}
|
|
}
|
|
|
|
static void
|
|
_blit_rot_270(Soft16_Image *dst, const Soft16_Image *src,
|
|
int out_x, int out_y, int w, int h)
|
|
{
|
|
DATA16 *dp, *sp;
|
|
int x, y;
|
|
|
|
sp = src->pixels;
|
|
dp = dst->pixels + ((h + out_x - 1) +
|
|
out_y * dst->stride);
|
|
|
|
for (y = 0; y < h; y++)
|
|
{
|
|
DATA16 *dp_itr, *sp_itr;
|
|
|
|
sp_itr = sp;
|
|
dp_itr = dp;
|
|
|
|
for (x = 0; x < w; x++)
|
|
{
|
|
*dp_itr = *sp_itr;
|
|
|
|
sp_itr++;
|
|
dp_itr += dst->stride;
|
|
}
|
|
sp += src->stride;
|
|
dp--;
|
|
}
|
|
}
|
|
|
|
static void
|
|
_tmp_out_process(Render_Engine *re, int out_x, int out_y, int w, int h)
|
|
{
|
|
Soft16_Image *d, *s;
|
|
|
|
d = re->shbuf->im;
|
|
s = re->tmp_out;
|
|
|
|
if ((w < 1) || (h < 1) || (out_x >= d->cache_entry.w) || (out_y >= d->cache_entry.h))
|
|
return;
|
|
|
|
if (re->rot == 90)
|
|
_blit_rot_90(d, s, out_x, out_y, w, h);
|
|
else if (re->rot == 180)
|
|
_blit_rot_180(d, s, out_x, out_y, w, h);
|
|
else if (re->rot == 270)
|
|
_blit_rot_270(d, s, out_x, out_y, w, h);
|
|
}
|
|
|
|
static void
|
|
eng_output_redraws_next_update_push(void *data, void *surface __UNUSED__, int x, int y, int w, int h)
|
|
{
|
|
Render_Engine *re;
|
|
XRectangle r = { 0, 0, 0, 0 };
|
|
|
|
re = (Render_Engine *)data;
|
|
|
|
if (!re->clip_rects)
|
|
re->clip_rects = XCreateRegion();
|
|
|
|
if (re->rot == 0)
|
|
{
|
|
r.x = x;
|
|
r.y = y;
|
|
r.width = w;
|
|
r.height = h;
|
|
}
|
|
else if (re->rot == 90)
|
|
{
|
|
r.x = y;
|
|
r.y = re->w - w - x;
|
|
r.width = h;
|
|
r.height = w;
|
|
}
|
|
else if (re->rot == 180)
|
|
{
|
|
r.x = re->w - w - x;
|
|
r.y = re->h - h - y;
|
|
r.width = w;
|
|
r.height = h;
|
|
}
|
|
else if (re->rot == 270)
|
|
{
|
|
r.x = re->h - h - y;
|
|
r.y = x;
|
|
r.width = h;
|
|
r.height = w;
|
|
}
|
|
|
|
if (re->rot != 0)
|
|
_tmp_out_process(re, r.x, r.y, w, h);
|
|
XUnionRectWithRegion(&r, re->clip_rects, re->clip_rects);
|
|
}
|
|
|
|
static void
|
|
eng_output_flush(void *data)
|
|
{
|
|
Render_Engine *re;
|
|
|
|
re = (Render_Engine *)data;
|
|
if (re->clip_rects)
|
|
{
|
|
XSetRegion(re->disp, re->gc, re->clip_rects);
|
|
XDestroyRegion(re->clip_rects);
|
|
re->clip_rects = NULL;
|
|
}
|
|
else return;
|
|
|
|
evas_software_x11_x_output_buffer_paste
|
|
(re->shbuf, re->draw, re->gc, 0, 0, re->shbuf->im->cache_entry.w, re->shbuf->im->cache_entry.h, 1);
|
|
XSetClipMask(re->disp, re->gc, None);
|
|
}
|
|
|
|
static void
|
|
eng_output_idle_flush(void *data)
|
|
{
|
|
Render_Engine *re;
|
|
|
|
re = (Render_Engine *)data;
|
|
if (re->shbuf)
|
|
{
|
|
evas_software_x11_x_output_buffer_free(re->shbuf, 0);
|
|
re->shbuf = NULL;
|
|
}
|
|
if (re->clip_rects)
|
|
{
|
|
XDestroyRegion(re->clip_rects);
|
|
re->clip_rects = NULL;
|
|
}
|
|
if (re->tmp_out)
|
|
{
|
|
evas_cache_image_drop(&re->tmp_out->cache_entry);
|
|
re->tmp_out = NULL;
|
|
}
|
|
}
|
|
|
|
static Eina_Bool
|
|
eng_canvas_alpha_get(void *data __UNUSED__, void *context __UNUSED__)
|
|
{
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
/* module advertising code */
|
|
static int
|
|
module_open(Evas_Module *em)
|
|
{
|
|
static Eina_Bool xrm_inited = EINA_FALSE;
|
|
if (!xrm_inited)
|
|
{
|
|
xrm_inited = EINA_TRUE;
|
|
XrmInitialize();
|
|
}
|
|
|
|
if (!em) return 0;
|
|
/* get whatever engine module we inherit from */
|
|
if (!_evas_module_engine_inherit(&pfunc, "software_16")) return 0;
|
|
_evas_engine_soft16_x11_log_dom = eina_log_domain_register("EvasSoft16X11", EVAS_DEFAULT_LOG_COLOR);
|
|
if(_evas_engine_soft16_x11_log_dom < 0)
|
|
{
|
|
EINA_LOG_ERR("Impossible to create a log domain for the Soft16_X11 engine.\n");
|
|
return 0;
|
|
}
|
|
|
|
/* store it for later use */
|
|
func = pfunc;
|
|
/* now to override methods */
|
|
#define ORD(f) EVAS_API_OVERRIDE(f, &func, eng_)
|
|
ORD(info);
|
|
ORD(info_free);
|
|
ORD(setup);
|
|
ORD(canvas_alpha_get);
|
|
ORD(output_free);
|
|
ORD(output_resize);
|
|
ORD(output_tile_size_set);
|
|
ORD(output_redraws_rect_add);
|
|
ORD(output_redraws_rect_del);
|
|
ORD(output_redraws_clear);
|
|
ORD(output_redraws_next_update_get);
|
|
ORD(output_redraws_next_update_push);
|
|
ORD(output_flush);
|
|
ORD(output_idle_flush);
|
|
/* now advertise out own api */
|
|
em->functions = (void *)(&func);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
module_close(Evas_Module *em)
|
|
{
|
|
eina_log_domain_unregister(_evas_engine_soft16_x11_log_dom);
|
|
if (xrdb_user.db)
|
|
{
|
|
XrmDestroyDatabase(xrdb_user.db);
|
|
xrdb_user.last_stat = 0;
|
|
xrdb_user.last_mtime = 0;
|
|
xrdb_user.db = NULL;
|
|
}
|
|
}
|
|
|
|
static Evas_Module_Api evas_modapi =
|
|
{
|
|
EVAS_MODULE_API_VERSION,
|
|
"software_16_x11",
|
|
"none",
|
|
{
|
|
module_open,
|
|
module_close
|
|
}
|
|
};
|
|
|
|
EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, software_16_x11);
|
|
|
|
#ifndef EVAS_STATIC_BUILD_SOFTWARE_16_X11
|
|
EVAS_EINA_MODULE_DEFINE(engine, software_16_x11);
|
|
#endif
|
|
|