317 lines
7.8 KiB
C
317 lines
7.8 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_FB.h"
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int _evas_engine_fb_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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/* 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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Tilebuf *tb;
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Outbuf *ob;
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Tilebuf_Rect *rects;
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Eina_Inlist *cur_rect;
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int end : 1;
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};
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/* prototypes we will use here */
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static void *_output_setup(int w, int h, int rot, int vt, int dev, int refresh);
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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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/* internal engine routines */
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static void *
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_output_setup(int w, int h, int rot, int vt, int dev, int refresh)
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{
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Render_Engine *re;
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re = calloc(1, sizeof(Render_Engine));
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if (!re)
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return NULL;
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/* if we haven't initialized - init (automatic abort if already done) */
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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_fb_outbuf_fb_init();
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/* get any stored performance metrics from device (xserver) */
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re->ob = evas_fb_outbuf_fb_setup_fb(w, h, rot, OUTBUF_DEPTH_INHERIT, vt, dev, refresh);
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re->tb = evas_common_tilebuf_new(evas_fb_outbuf_fb_get_width(re->ob), evas_fb_outbuf_fb_get_height(re->ob));
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/* no backbuf! */
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evas_fb_outbuf_fb_set_have_backbuf(re->ob, 0);
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/* in preliminary tests 16x16 gave highest framerates */
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evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
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return re;
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}
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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_FB *info;
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info = calloc(1, sizeof(Evas_Engine_Info_FB));
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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_FB *in;
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in = (Evas_Engine_Info_FB *)info;
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free(in);
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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_FB *info;
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info = (Evas_Engine_Info_FB *)in;
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re = _output_setup(e->output.w,
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e->output.h,
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info->info.rotation,
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info->info.virtual_terminal,
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info->info.device_number,
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info->info.refresh);
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e->engine.data.output = re;
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if (!e->engine.data.output) return 0;
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e->engine.data.context = e->engine.func->context_new(e->engine.data.output);
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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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evas_fb_outbuf_fb_free(re->ob);
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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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free(re);
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evas_common_font_shutdown();
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evas_common_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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evas_fb_outbuf_fb_reconfigure(re->ob, w, h,
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evas_fb_outbuf_fb_get_rot(re->ob),
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OUTBUF_DEPTH_INHERIT);
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evas_common_tilebuf_free(re->tb);
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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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}
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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 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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RGBA_Image *surface;
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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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re->cur_rect = EINA_INLIST_GET(re->rects);
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}
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if (!re->cur_rect) return NULL;
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rect = (Tilebuf_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 = 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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surface = evas_fb_outbuf_fb_new_region_for_update(re->ob,
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ux, uy, uw, uh,
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cx, cy, cw, ch);
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*x = ux; *y = uy; *w = uw; *h = uh;
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return surface;
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}
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static void
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eng_output_redraws_next_update_push(void *data, void *surface, 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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#ifdef BUILD_PIPE_RENDER
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evas_common_pipe_map4_begin(surface);
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#endif
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evas_fb_outbuf_fb_push_updated_region(re->ob, surface, x, y, w, h);
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evas_fb_outbuf_fb_free_region_for_update(re->ob, surface);
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evas_common_cpu_end_opt();
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}
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static void
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eng_output_flush(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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}
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static void
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eng_output_idle_flush(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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}
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static Eina_Bool
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eng_canvas_alpha_get(void *data, void *context)
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{
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Render_Engine *re;
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re = (Render_Engine *)data;
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return (re->ob->priv.fb.fb->fb_var.transp.length > 0);
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}
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/* module advertising code */
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static int
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module_open(Evas_Module *em)
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{
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if (!em) return 0;
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/* get whatever engine module we inherit from */
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if (!_evas_module_engine_inherit(&pfunc, "software_generic")) return 0;
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_evas_engine_fb_log_dom = eina_log_domain_register("Evas_fb_engine", EVAS_DEFAULT_LOG_COLOR);
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if (_evas_engine_fb_log_dom < 0) {
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EINA_LOG_ERR("Impossible to create a log domain for FB engine.\n");
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return 0;
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}
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/* store it for later use */
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func = pfunc;
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/* now to override methods */
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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(canvas_alpha_get);
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ORD(output_free);
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ORD(output_resize);
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ORD(output_tile_size_set);
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ORD(output_redraws_rect_add);
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ORD(output_redraws_rect_del);
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ORD(output_redraws_clear);
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ORD(output_redraws_next_update_get);
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ORD(output_redraws_next_update_push);
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ORD(output_flush);
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ORD(output_idle_flush);
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/* now advertise out own api */
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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)
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{
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eina_log_domain_unregister(_evas_engine_fb_log_dom);
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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,
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"fb",
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"none",
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{
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module_open,
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module_close
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}
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};
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EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, fb);
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#ifndef EVAS_STATIC_BUILD_FB
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EVAS_EINA_MODULE_DEFINE(engine, fb);
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#endif
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