forked from enlightenment/efl
428 lines
12 KiB
C
428 lines
12 KiB
C
#include "evas_common_private.h"
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#include "evas_private.h"
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#ifdef EVAS_CSERVE2
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# include "evas_cs2_private.h"
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#endif
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#include "evas_engine.h"
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#include "../software_generic/evas_native_common.h"
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#ifdef HAVE_DLSYM
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# include <dlfcn.h>
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#endif
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/* logging domain variable */
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int _evas_engine_way_shm_log_dom = -1;
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/* evas function tables - filled in later (func and parent func) */
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static Evas_Func func, pfunc;
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Evas_Native_Tbm_Surface_Image_Set_Call glsym_evas_native_tbm_surface_image_set = NULL;
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/* engine structure 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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Render_Engine_Software_Generic generic;
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void (*outbuf_reconfigure)(Outbuf *ob, int x, int y, int w, int h, int rot, Outbuf_Depth depth, Eina_Bool alpha, Eina_Bool resize);
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};
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/* LOCAL FUNCTIONS */
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Render_Engine *
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_render_engine_swapbuf_setup(int w, int h, unsigned int rotation, unsigned int depth, Eina_Bool alpha, struct wl_shm *shm, struct wl_surface *surface, struct wl_display *disp, int compositor_version)
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{
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Render_Engine *re;
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Outbuf *ob;
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Render_Engine_Merge_Mode merge_mode = MERGE_SMART;
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const char *s;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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/* try to allocate space for new render engine */
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if (!(re = calloc(1, sizeof(Render_Engine)))) return NULL;
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ob = _evas_outbuf_setup(w, h, rotation, depth, alpha, shm, surface, disp,
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compositor_version);
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if (!ob) goto err;
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if (!evas_render_engine_software_generic_init(&re->generic, ob,
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_evas_outbuf_swap_mode_get,
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_evas_outbuf_rotation_get,
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NULL,
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NULL,
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_evas_outbuf_update_region_new,
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_evas_outbuf_update_region_push,
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_evas_outbuf_update_region_free,
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_evas_outbuf_idle_flush,
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_evas_outbuf_flush,
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_evas_outbuf_free,
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w, h))
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goto err;
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re->outbuf_reconfigure = _evas_outbuf_reconfigure;
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s = getenv("EVAS_WAYLAND_PARTIAL_MERGE");
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if (s)
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{
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if ((!strcmp(s, "bounding")) || (!strcmp(s, "b")))
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merge_mode = MERGE_BOUNDING;
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else if ((!strcmp(s, "full")) || (!strcmp(s, "f")))
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merge_mode = MERGE_FULL;
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else if ((!strcmp(s, "smart")) || (!strcmp(s, "s")))
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merge_mode = MERGE_SMART;
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}
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evas_render_engine_software_generic_merge_mode_set(&re->generic, merge_mode);
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/* return allocated render engine */
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return re;
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err:
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if (ob) _evas_outbuf_free(ob);
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free(re);
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return NULL;
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}
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static void
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_symbols(void)
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{
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static int done = 0;
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if (done) return;
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#define LINK2GENERIC(sym) \
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glsym_##sym = dlsym(RTLD_DEFAULT, #sym);
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// Get function pointer to native_common that is now provided through the link of SW_Generic.
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LINK2GENERIC(evas_native_tbm_surface_image_set);
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done = 1;
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}
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/* ENGINE API FUNCTIONS WE PROVIDE */
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static void *
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eng_info(Evas *eo_evas EINA_UNUSED)
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{
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Evas_Engine_Info_Wayland_Shm *einfo;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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/* try to allocate space for new engine info */
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if (!(einfo = calloc(1, sizeof(Evas_Engine_Info_Wayland_Shm))))
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return NULL;
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/* fill in engine info */
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einfo->magic.magic = rand();
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einfo->render_mode = EVAS_RENDER_MODE_BLOCKING;
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/* return allocated engine info */
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return einfo;
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}
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static void
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eng_info_free(Evas *eo_evas EINA_UNUSED, void *info)
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{
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Evas_Engine_Info_Wayland_Shm *einfo;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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/* try to free previously allocated engine info */
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if ((einfo = (Evas_Engine_Info_Wayland_Shm *)info))
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free(einfo);
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}
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static int
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eng_setup(Evas *eo_evas, void *info)
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{
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Evas_Engine_Info_Wayland_Shm *einfo;
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Evas_Public_Data *epd;
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Render_Engine *re = NULL;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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/* try to cast to our engine info */
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if (!(einfo = (Evas_Engine_Info_Wayland_Shm *)info))
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return 0;
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/* try to get evas public data */
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if (!(epd = eo_data_scope_get(eo_evas, EVAS_CANVAS_CLASS)))
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return 0;
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/* test for valid engine output */
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if (!(re = epd->engine.data.output))
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{
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/* if we have no engine data, assume we have not initialized yet */
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evas_common_init();
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re = _render_engine_swapbuf_setup(epd->output.w, epd->output.h,
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einfo->info.rotation,
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einfo->info.depth,
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einfo->info.destination_alpha,
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einfo->info.wl_shm,
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einfo->info.wl_surface,
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einfo->info.wl_disp,
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einfo->info.compositor_version);
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if (re)
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re->generic.ob->info = einfo;
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else
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goto err;
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}
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else
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{
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Outbuf *ob;
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ob = _evas_outbuf_setup(epd->output.w, epd->output.h,
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einfo->info.rotation, einfo->info.depth,
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einfo->info.destination_alpha,
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einfo->info.wl_shm, einfo->info.wl_surface,
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einfo->info.wl_disp,
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einfo->info.compositor_version);
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if (ob)
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{
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ob->info = einfo;
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evas_render_engine_software_generic_update(&re->generic, ob,
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epd->output.w,
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epd->output.h);
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}
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}
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epd->engine.data.output = re;
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if (!epd->engine.data.output)
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{
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ERR("Failed to create Render Engine");
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goto err;
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}
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if (!epd->engine.data.context)
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{
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epd->engine.data.context =
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epd->engine.func->context_new(epd->engine.data.output);
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}
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return 1;
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err:
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evas_common_shutdown();
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return 0;
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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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if ((re = (Render_Engine *)data))
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{
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evas_render_engine_software_generic_clean(&re->generic);
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free(re);
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}
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evas_common_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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Evas_Engine_Info_Wayland_Shm *einfo;
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int dx = 0, dy = 0;
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Eina_Bool resize = EINA_FALSE;
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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if (!(re = (Render_Engine *)data)) return;
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if (!(einfo = re->generic.ob->info)) return;
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if (einfo->info.edges & 4) // resize from left
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{
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if ((einfo->info.rotation == 90) || (einfo->info.rotation == 270))
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dx = re->generic.ob->h - h;
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else
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dx = re->generic.ob->w - w;
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}
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if (einfo->info.edges & 1) // resize from top
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{
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if ((einfo->info.rotation == 90) || (einfo->info.rotation == 270))
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dy = re->generic.ob->w - w;
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else
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dy = re->generic.ob->h - h;
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}
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if (einfo->info.edges) resize = EINA_TRUE;
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re->outbuf_reconfigure(re->generic.ob, dx, dy, w, h,
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einfo->info.rotation, einfo->info.depth,
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einfo->info.destination_alpha, resize);
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evas_common_tilebuf_free(re->generic.tb);
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if ((re->generic.tb = evas_common_tilebuf_new(w, h)))
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evas_common_tilebuf_set_tile_size(re->generic.tb, TILESIZE, TILESIZE);
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re->generic.w = w;
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re->generic.h = h;
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}
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static int
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eng_image_native_init(void *data EINA_UNUSED, Evas_Native_Surface_Type type)
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{
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switch (type)
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{
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case EVAS_NATIVE_SURFACE_TBM:
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return _evas_native_tbm_init();
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default:
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ERR("Native surface type %d not supported!", type);
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return 0;
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}
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}
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static void
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eng_image_native_shutdown(void *data EINA_UNUSED, Evas_Native_Surface_Type type)
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{
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switch (type)
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{
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case EVAS_NATIVE_SURFACE_TBM:
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_evas_native_tbm_shutdown();
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return;
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default:
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ERR("Native surface type %d not supported!", type);
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return;
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}
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}
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static void *
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eng_image_native_set(void *data EINA_UNUSED, void *image, void *native)
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{
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Evas_Native_Surface *ns = native;
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Image_Entry *ie = image;
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RGBA_Image *im = image, *im2;
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if (!im || !ns) return im;
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if (ns->type == EVAS_NATIVE_SURFACE_TBM)
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{
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if (im->native.data)
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{
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//image have native surface already
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Evas_Native_Surface *ens = im->native.data;
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if ((ens->type == ns->type) &&
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(ens->data.tbm.buffer == ns->data.tbm.buffer))
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return im;
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}
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}
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/* FIXME: WTF is this? OPENGL supported here? uh? and x11.visual used???
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* It looks like this code needs to fail and return NULL. */
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if ((ns->type == EVAS_NATIVE_SURFACE_OPENGL) &&
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(ns->version == EVAS_NATIVE_SURFACE_VERSION))
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im2 = (RGBA_Image *)evas_cache_image_data(evas_common_image_cache_get(),
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ie->w, ie->h,
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ns->data.x11.visual, 1,
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EVAS_COLORSPACE_ARGB8888);
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else
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im2 = (RGBA_Image *)evas_cache_image_data(evas_common_image_cache_get(),
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ie->w, ie->h,
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NULL, 1,
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EVAS_COLORSPACE_ARGB8888);
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if (im->native.data)
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{
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if (im->native.func.free)
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im->native.func.free(im);
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}
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#ifdef EVAS_CSERVE2
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if (evas_cserve2_use_get() && evas_cache2_image_cached(ie))
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evas_cache2_image_close(ie);
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else
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#endif
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evas_cache_image_drop(ie);
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im = im2;
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if (ns->type == EVAS_NATIVE_SURFACE_TBM)
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return glsym_evas_native_tbm_surface_image_set(NULL, im, ns);
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return im;
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}
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static void *
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eng_image_native_get(void *data EINA_UNUSED, void *image)
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{
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RGBA_Image *im = image;
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Native *n;
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if (!im) return NULL;
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n = im->native.data;
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if (!n) return NULL;
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return &(n->ns);
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}
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/* EVAS MODULE FUNCTIONS */
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static int
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module_open(Evas_Module *em)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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/* check for valid evas module */
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if (!em) return 0;
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/* try to get functions from whatever engine module we inherit from */
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if (!_evas_module_engine_inherit(&pfunc, "software_generic")) return 0;
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/* try to create our logging domain */
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_evas_engine_way_shm_log_dom =
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eina_log_domain_register("evas-wayland_shm", EVAS_DEFAULT_LOG_COLOR);
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if (_evas_engine_way_shm_log_dom < 0)
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{
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EINA_LOG_ERR("Cannot create a module logging domain");
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return 0;
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}
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/* copy parent functions */
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func = pfunc;
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/* override engine specific functions */
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#define ORD(f) EVAS_API_OVERRIDE(f, &func, eng_)
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ORD(info);
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ORD(info_free);
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ORD(setup);
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ORD(output_free);
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ORD(output_resize);
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ORD(image_native_set);
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ORD(image_native_get);
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ORD(image_native_init);
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ORD(image_native_shutdown);
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_symbols();
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/* advertise our own engine functions */
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em->functions = (void *)(&func);
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return 1;
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}
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static void
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module_close(Evas_Module *em EINA_UNUSED)
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{
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LOGFN(__FILE__, __LINE__, __FUNCTION__);
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/* unregister logging domain */
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if (_evas_engine_way_shm_log_dom > -1)
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eina_log_domain_unregister(_evas_engine_way_shm_log_dom);
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/* reset logging domain variable */
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_evas_engine_way_shm_log_dom = -1;
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}
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static Evas_Module_Api evas_modapi =
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{
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EVAS_MODULE_API_VERSION, "wayland_shm", "none", {module_open, module_close}
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};
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EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, wayland_shm);
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#ifndef EVAS_STATIC_BUILD_WAYLAND_SHM
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EVAS_EINA_MODULE_DEFINE(engine, wayland_shm);
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#endif
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