efl/legacy/evas/src/modules/engines/software_x11/evas_engine.c

815 lines
24 KiB
C

#include "evas_common.h"
#include "evas_private.h"
#include "Evas_Engine_Software_X11.h"
#include "evas_engine.h"
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
# include "evas_xlib_outbuf.h"
# include "evas_xlib_color.h"
#endif
#ifdef BUILD_ENGINE_SOFTWARE_XCB
# include "evas_xcb_outbuf.h"
# include "evas_xcb_color.h"
# include "evas_xcb_xdefaults.h"
#endif
int _evas_engine_soft_x11_log_dom = -1;
/* function tables - filled in later (func and parent func) */
static Evas_Func func, pfunc;
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
/*
struct xrdb_user
{
time_t last_stat;
time_t last_mtime;
XrmDatabase db;
};
static struct xrdb_user xrdb_user = {0, 0, NULL};
static Eina_Bool
xrdb_user_query(const char *name, const char *cls, char **type, XrmValue *val)
{
time_t last, now;
last = xrdb_user.last_stat;
now = time(NULL);
xrdb_user.last_stat = now;
if (last != now) // don't stat() more than once every second
{
struct stat st;
const char *home;
char tmp[PATH_MAX];
if (!(home = getenv("HOME")))
goto failed;
snprintf(tmp, sizeof(tmp), "%s/.Xdefaults", home);
if (stat(tmp, &st) != 0) goto failed;
if (xrdb_user.last_mtime != st.st_mtime)
{
if (xrdb_user.db) XrmDestroyDatabase(xrdb_user.db);
xrdb_user.db = XrmGetFileDatabase(tmp);
if (!xrdb_user.db) goto failed;
xrdb_user.last_mtime = st.st_mtime;
}
}
if (!xrdb_user.db) return EINA_FALSE;
return XrmGetResource(xrdb_user.db, name, cls, type, val);
failed:
if (xrdb_user.db)
{
XrmDestroyDatabase(xrdb_user.db);
xrdb_user.db = NULL;
}
xrdb_user.last_mtime = 0;
return EINA_FALSE;
}
*/
#endif
/* engine struct data */
typedef struct _Render_Engine Render_Engine;
struct _Render_Engine
{
Tilebuf *tb;
Outbuf *ob;
Tilebuf_Rect *rects;
Eina_Inlist *cur_rect;
unsigned char end : 1;
/*
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
XrmDatabase xrdb;
#endif
struct
{
int dpi;
} xr;
*/
void (*outbuf_free)(Outbuf *ob);
void (*outbuf_reconfigure)(Outbuf *ob, int w, int h, int rot, Outbuf_Depth depth);
int (*outbuf_get_rot)(Outbuf *ob);
RGBA_Image *(*outbuf_new_region_for_update)(Outbuf *ob, int x, int y, int w, int h, int *cx, int *cy, int *cw, int *ch);
void (*outbuf_push_updated_region)(Outbuf *ob, RGBA_Image *update, int x, int y, int w, int h);
void (*outbuf_free_region_for_update)(Outbuf *ob, RGBA_Image *update);
void (*outbuf_flush)(Outbuf *ob);
void (*outbuf_idle_flush)(Outbuf *ob);
Eina_Bool (*outbuf_alpha_get)(Outbuf *ob);
};
/* prototypes we will use here */
static void *_best_visual_get(int backend, void *connection, int screen);
static unsigned int _best_colormap_get(int backend, void *connection, int screen);
static int _best_depth_get(int backend, void *connection, int screen);
static void *eng_info(Evas *e);
static void eng_info_free(Evas *e, void *info);
static int eng_setup(Evas *e, void *info);
static void eng_output_free(void *data);
static void eng_output_resize(void *data, int w, int h);
static void eng_output_tile_size_set(void *data, int w, int h);
static void eng_output_redraws_rect_add(void *data, int x, int y, int w, int h);
static void eng_output_redraws_rect_del(void *data, int x, int y, int w, int h);
static void eng_output_redraws_clear(void *data);
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);
static void eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h);
static void eng_output_flush(void *data);
static void eng_output_idle_flush(void *data);
/* internal engine routines */
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
static void *
_output_xlib_setup(int w, int h, int rot, Display *disp, Drawable draw,
Visual *vis, Colormap cmap, int depth, int debug,
int grayscale, int max_colors, Pixmap mask,
int shape_dither, int destination_alpha)
{
Render_Engine *re;
// int status;
// char *type = NULL;
// XrmValue val;
if (!(re = calloc(1, sizeof(Render_Engine)))) return NULL;
evas_software_xlib_x_init();
evas_software_xlib_x_color_init();
evas_software_xlib_outbuf_init();
/*
re->xr.dpi = 75000; // dpy * 1000
status = xrdb_user_query("Xft.dpi", "Xft.Dpi", &type, &val);
if ((!status) || (!type))
{
if (!re->xrdb) re->xrdb = XrmGetDatabase(disp);
if (re->xrdb)
status = XrmGetResource(re->xrdb,
"Xft.dpi", "Xft.Dpi", &type, &val);
}
if ((status) && (type))
{
if (!strcmp(type, "String"))
{
const char *str, *dp;
str = val.addr;
dp = strchr(str, '.');
if (!dp) dp = strchr(str, ',');
if (dp)
{
int subdpi, len, i;
char *buf;
buf = alloca(dp - str + 1);
strncpy(buf, str, dp - str);
buf[dp - str] = 0;
len = strlen(dp + 1);
subdpi = atoi(dp + 1);
if (len < 3)
{
for (i = len; i < 3; i++)
subdpi *= 10;
}
else if (len > 3)
{
for (i = len; i > 3; i--)
subdpi /= 10;
}
re->xr.dpi = atoi(buf) * 1000;
}
else
re->xr.dpi = atoi(str) * 1000;
evas_common_font_dpi_set(re->xr.dpi / 1000);
}
}
*/
re->ob =
evas_software_xlib_outbuf_setup_x(w, h, rot, OUTBUF_DEPTH_INHERIT, disp,
draw, vis, cmap, depth, grayscale,
max_colors, mask, shape_dither,
destination_alpha);
if (!re->ob)
{
free(re);
return NULL;
}
/* for updates return 1 big buffer, but only use portions of it, also cache
* it and keepit around until an idle_flush */
/* disable for now - i am hunting down why some expedite tests are slower,
* as well as shaped stuff is broken and probable non-32bpp is broken as
* convert funcs dont do the right thing
*
*/
// re->ob->onebuf = 1;
evas_software_xlib_outbuf_debug_set(re->ob, debug);
re->tb = evas_common_tilebuf_new(w, h);
if (!re->tb)
{
evas_software_xlib_outbuf_free(re->ob);
free(re);
return NULL;
}
/* in preliminary tests 16x16 gave highest framerates */
evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
return re;
}
#endif
#ifdef BUILD_ENGINE_SOFTWARE_XCB
static void *
_output_xcb_setup(int w, int h, int rot, xcb_connection_t *conn,
xcb_screen_t *screen, xcb_drawable_t draw,
xcb_visualtype_t *vis, xcb_colormap_t cmap, int depth,
int debug, int grayscale, int max_colors, xcb_drawable_t mask,
int shape_dither, int destination_alpha)
{
Render_Engine *re;
// int v = 0;
if (!(re = calloc(1, sizeof(Render_Engine)))) return NULL;
evas_software_xcb_init();
evas_software_xcb_color_init();
evas_software_xcb_outbuf_init();
/*
// FIXME: re->xrdb
_evas_xcb_xdefaults_init();
v = _evas_xcb_xdefaults_int_get("Xft", "dpi");
_evas_xcb_xdefaults_shutdown();
if (v) re->xr.dpi = (v * 1000);
else re->xr.dpi = 75000; // dpy * 1000
evas_common_font_dpi_set(re->xr.dpi / 1000);
*/
re->ob =
evas_software_xcb_outbuf_setup(w, h, rot, OUTBUF_DEPTH_INHERIT, conn,
screen, draw, vis, cmap, depth,
grayscale, max_colors, mask,
shape_dither, destination_alpha);
if (!re->ob)
{
free(re);
return NULL;
}
/* for updates return 1 big buffer, but only use portions of it, also cache
* it and keepit around until an idle_flush */
/* disable for now - i am hunting down why some expedite tests are slower,
* as well as shaped stuff is broken and probable non-32bpp is broken as
* convert funcs dont do the right thing
*
*/
// re->ob->onebuf = 1;
evas_software_xcb_outbuf_debug_set(re->ob, debug);
re->tb = evas_common_tilebuf_new(w, h);
if (!re->tb)
{
evas_software_xcb_outbuf_free(re->ob);
free(re);
return NULL;
}
/* in preliminary tests 16x16 gave highest framerates */
evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
return re;
}
#endif
static void *
_best_visual_get(int backend, void *connection, int screen)
{
if (!connection) return NULL;
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
if (backend == EVAS_ENGINE_INFO_SOFTWARE_X11_BACKEND_XLIB)
return DefaultVisual((Display *)connection, screen);
#endif
#ifdef BUILD_ENGINE_SOFTWARE_XCB
if (backend == EVAS_ENGINE_INFO_SOFTWARE_X11_BACKEND_XCB)
{
xcb_screen_iterator_t iter_screen;
xcb_depth_iterator_t iter_depth;
xcb_screen_t *s = NULL;
iter_screen =
xcb_setup_roots_iterator(xcb_get_setup((xcb_connection_t *)connection));
for (; iter_screen.rem; --screen, xcb_screen_next(&iter_screen))
if (screen == 0)
{
s = iter_screen.data;
break;
}
iter_depth = xcb_screen_allowed_depths_iterator(s);
for (; iter_depth.rem; xcb_depth_next(&iter_depth))
{
xcb_visualtype_iterator_t iter_vis;
iter_vis = xcb_depth_visuals_iterator(iter_depth.data);
for (; iter_vis.rem; xcb_visualtype_next(&iter_vis))
{
if (s->root_visual == iter_vis.data->visual_id)
return iter_vis.data;
}
}
}
#endif
return NULL;
}
static unsigned int
_best_colormap_get(int backend, void *connection, int screen)
{
if (!connection) return 0;
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
if (backend == EVAS_ENGINE_INFO_SOFTWARE_X11_BACKEND_XLIB)
return DefaultColormap((Display *)connection, screen);
#endif
#ifdef BUILD_ENGINE_SOFTWARE_XCB
if (backend == EVAS_ENGINE_INFO_SOFTWARE_X11_BACKEND_XCB)
{
xcb_screen_iterator_t iter_screen;
xcb_screen_t *s = NULL;
iter_screen =
xcb_setup_roots_iterator(xcb_get_setup((xcb_connection_t *)connection));
for (; iter_screen.rem; --screen, xcb_screen_next(&iter_screen))
if (screen == 0)
{
s = iter_screen.data;
break;
}
return s->default_colormap;
}
#endif
return 0;
}
static int
_best_depth_get(int backend, void *connection, int screen)
{
if (!connection) return 0;
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
if (backend == EVAS_ENGINE_INFO_SOFTWARE_X11_BACKEND_XLIB)
return DefaultDepth((Display *)connection, screen);
#endif
#ifdef BUILD_ENGINE_SOFTWARE_XCB
if (backend == EVAS_ENGINE_INFO_SOFTWARE_X11_BACKEND_XCB)
{
xcb_screen_iterator_t iter_screen;
xcb_screen_t *s = NULL;
iter_screen =
xcb_setup_roots_iterator(xcb_get_setup((xcb_connection_t *)connection));
for (; iter_screen.rem; --screen, xcb_screen_next(&iter_screen))
if (screen == 0)
{
s = iter_screen.data;
break;
}
return s->root_depth;
}
#endif
return 0;
}
/* engine api this module provides */
static void *
eng_info(Evas *e __UNUSED__)
{
Evas_Engine_Info_Software_X11 *info;
if (!(info = calloc(1, sizeof(Evas_Engine_Info_Software_X11))))
return NULL;
info->magic.magic = rand();
info->info.debug = 0;
info->info.alloc_grayscale = 0;
info->info.alloc_colors_max = 216;
info->func.best_visual_get = _best_visual_get;
info->func.best_colormap_get = _best_colormap_get;
info->func.best_depth_get = _best_depth_get;
info->render_mode = EVAS_RENDER_MODE_BLOCKING;
return info;
}
static void
eng_info_free(Evas *e __UNUSED__, void *info)
{
Evas_Engine_Info_Software_X11 *in;
in = (Evas_Engine_Info_Software_X11 *)info;
free(in);
}
static int
eng_setup(Evas *e, void *in)
{
Evas_Engine_Info_Software_X11 *info;
Render_Engine *re = NULL;
info = (Evas_Engine_Info_Software_X11 *)in;
if (!e->engine.data.output)
{
/* if we haven't initialized - init (automatic abort if already done) */
evas_common_cpu_init();
evas_common_blend_init();
evas_common_image_init();
evas_common_convert_init();
evas_common_scale_init();
evas_common_rectangle_init();
evas_common_polygon_init();
evas_common_line_init();
evas_common_font_init();
evas_common_draw_init();
evas_common_tilebuf_init();
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
if (info->info.backend == EVAS_ENGINE_INFO_SOFTWARE_X11_BACKEND_XLIB)
{
re = _output_xlib_setup(e->output.w, e->output.h,
info->info.rotation, info->info.connection,
info->info.drawable, info->info.visual,
info->info.colormap,
info->info.depth, info->info.debug,
info->info.alloc_grayscale,
info->info.alloc_colors_max,
info->info.mask, info->info.shape_dither,
info->info.destination_alpha);
re->outbuf_free = evas_software_xlib_outbuf_free;
re->outbuf_reconfigure = evas_software_xlib_outbuf_reconfigure;
re->outbuf_get_rot = evas_software_xlib_outbuf_get_rot;
re->outbuf_new_region_for_update =
evas_software_xlib_outbuf_new_region_for_update;
re->outbuf_push_updated_region =
evas_software_xlib_outbuf_push_updated_region;
re->outbuf_free_region_for_update =
evas_software_xlib_outbuf_free_region_for_update;
re->outbuf_flush = evas_software_xlib_outbuf_flush;
re->outbuf_idle_flush = evas_software_xlib_outbuf_idle_flush;
re->outbuf_alpha_get = evas_software_xlib_outbuf_alpha_get;
}
#endif
#ifdef BUILD_ENGINE_SOFTWARE_XCB
if (info->info.backend == EVAS_ENGINE_INFO_SOFTWARE_X11_BACKEND_XCB)
{
re = _output_xcb_setup(e->output.w, e->output.h,
info->info.rotation, info->info.connection,
info->info.screen, info->info.drawable,
info->info.visual, info->info.colormap,
info->info.depth, info->info.debug,
info->info.alloc_grayscale,
info->info.alloc_colors_max,
info->info.mask, info->info.shape_dither,
info->info.destination_alpha);
re->outbuf_free = evas_software_xcb_outbuf_free;
re->outbuf_reconfigure = evas_software_xcb_outbuf_reconfigure;
re->outbuf_get_rot = evas_software_xcb_outbuf_rotation_get;
re->outbuf_new_region_for_update =
evas_software_xcb_outbuf_new_region_for_update;
re->outbuf_push_updated_region =
evas_software_xcb_outbuf_push_updated_region;
re->outbuf_free_region_for_update =
evas_software_xcb_outbuf_free_region_for_update;
re->outbuf_flush = evas_software_xcb_outbuf_flush;
re->outbuf_idle_flush = evas_software_xcb_outbuf_idle_flush;
re->outbuf_alpha_get = evas_software_xcb_outbuf_alpha_get;
}
#endif
e->engine.data.output = re;
}
else
{
int ponebuf = 0;
re = e->engine.data.output;
ponebuf = re->ob->onebuf;
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
if (info->info.backend == EVAS_ENGINE_INFO_SOFTWARE_X11_BACKEND_XLIB)
{
evas_software_xlib_outbuf_free(re->ob);
re->ob =
evas_software_xlib_outbuf_setup_x(e->output.w, e->output.h,
info->info.rotation,
OUTBUF_DEPTH_INHERIT,
info->info.connection,
info->info.drawable,
info->info.visual,
info->info.colormap,
info->info.depth,
info->info.alloc_grayscale,
info->info.alloc_colors_max,
info->info.mask,
info->info.shape_dither,
info->info.destination_alpha);
evas_software_xlib_outbuf_debug_set(re->ob, info->info.debug);
}
#endif
#ifdef BUILD_ENGINE_SOFTWARE_XCB
if (info->info.backend == EVAS_ENGINE_INFO_SOFTWARE_X11_BACKEND_XCB)
{
evas_software_xcb_outbuf_free(re->ob);
re->ob =
evas_software_xcb_outbuf_setup(e->output.w, e->output.h,
info->info.rotation,
OUTBUF_DEPTH_INHERIT,
info->info.connection,
info->info.screen,
info->info.drawable,
info->info.visual,
info->info.colormap,
info->info.depth,
info->info.alloc_grayscale,
info->info.alloc_colors_max,
info->info.mask,
info->info.shape_dither,
info->info.destination_alpha);
evas_software_xcb_outbuf_debug_set(re->ob, info->info.debug);
}
#endif
re->ob->onebuf = ponebuf;
}
if (!e->engine.data.output) return 0;
if (!e->engine.data.context)
{
e->engine.data.context =
e->engine.func->context_new(e->engine.data.output);
}
re = e->engine.data.output;
return 1;
}
static void
eng_output_free(void *data)
{
Render_Engine *re;
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
// NOTE: XrmGetDatabase() result is shared per connection, do not free it.
// if (re->xrdb) XrmDestroyDatabase(re->xrdb);
#endif
if ((re = (Render_Engine *)data))
{
re->outbuf_free(re->ob);
evas_common_tilebuf_free(re->tb);
if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
free(re);
}
evas_common_font_shutdown();
evas_common_image_shutdown();
}
static void
eng_output_resize(void *data, int w, int h)
{
Render_Engine *re;
re = (Render_Engine *)data;
re->outbuf_reconfigure(re->ob, w, h, re->outbuf_get_rot(re->ob),
OUTBUF_DEPTH_INHERIT);
evas_common_tilebuf_free(re->tb);
re->tb = evas_common_tilebuf_new(w, h);
if (re->tb)
evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
}
static void
eng_output_tile_size_set(void *data, int w, int h)
{
Render_Engine *re;
re = (Render_Engine *)data;
evas_common_tilebuf_set_tile_size(re->tb, w, h);
}
static void
eng_output_redraws_rect_add(void *data, int x, int y, int w, int h)
{
Render_Engine *re;
re = (Render_Engine *)data;
evas_common_tilebuf_add_redraw(re->tb, x, y, w, h);
}
static void
eng_output_redraws_rect_del(void *data, int x, int y, int w, int h)
{
Render_Engine *re;
re = (Render_Engine *)data;
evas_common_tilebuf_del_redraw(re->tb, x, y, w, h);
}
static void
eng_output_redraws_clear(void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
evas_common_tilebuf_clear(re->tb);
}
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)
{
Render_Engine *re;
RGBA_Image *surface;
Tilebuf_Rect *rect;
int ux, uy, uw, uh;
re = (Render_Engine *)data;
if (re->end)
{
re->end = 0;
return NULL;
}
if (!re->rects)
{
re->rects = evas_common_tilebuf_get_render_rects(re->tb);
re->cur_rect = EINA_INLIST_GET(re->rects);
}
if (!re->cur_rect) return NULL;
rect = (Tilebuf_Rect *)re->cur_rect;
ux = rect->x; uy = rect->y; uw = rect->w; uh = rect->h;
re->cur_rect = re->cur_rect->next;
if (!re->cur_rect)
{
evas_common_tilebuf_free_render_rects(re->rects);
re->rects = NULL;
re->end = 1;
}
surface =
re->outbuf_new_region_for_update(re->ob, ux, uy, uw, uh, cx, cy, cw, ch);
*x = ux; *y = uy; *w = uw; *h = uh;
return surface;
}
static void
eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h)
{
Render_Engine *re;
re = (Render_Engine *)data;
#if defined(BUILD_PIPE_RENDER)
evas_common_pipe_map_begin(surface);
#endif /* BUILD_PIPE_RENDER */
re->outbuf_push_updated_region(re->ob, surface, x, y, w, h);
re->outbuf_free_region_for_update(re->ob, surface);
evas_common_cpu_end_opt();
}
static void
eng_output_flush(void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
re->outbuf_flush(re->ob);
}
static void
eng_output_idle_flush(void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
re->outbuf_idle_flush(re->ob);
}
static Eina_Bool
eng_canvas_alpha_get(void *data, void *context __UNUSED__)
{
Render_Engine *re;
re = (Render_Engine *)data;
return (re->ob->priv.destination_alpha) || (re->outbuf_alpha_get(re->ob));
}
/* module advertising code */
static int
module_open(Evas_Module *em)
{
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
static Eina_Bool xrm_inited = EINA_FALSE;
if (!xrm_inited)
{
xrm_inited = EINA_TRUE;
XrmInitialize();
}
#endif
if (!em) return 0;
/* get whatever engine module we inherit from */
if (!_evas_module_engine_inherit(&pfunc, "software_generic")) return 0;
_evas_engine_soft_x11_log_dom =
eina_log_domain_register("evas-software_x11", EVAS_DEFAULT_LOG_COLOR);
if (_evas_engine_soft_x11_log_dom < 0)
{
EINA_LOG_ERR("Can not create a module log domain.");
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 __UNUSED__)
{
eina_log_domain_unregister(_evas_engine_soft_x11_log_dom);
#ifdef BUILD_ENGINE_SOFTWARE_XLIB
/*
if (xrdb_user.db)
{
XrmDestroyDatabase(xrdb_user.db);
xrdb_user.last_stat = 0;
xrdb_user.last_mtime = 0;
xrdb_user.db = NULL;
}
*/
#endif
}
static Evas_Module_Api evas_modapi =
{
EVAS_MODULE_API_VERSION, "software_x11", "none",
{
module_open,
module_close
}
};
EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, software_x11);
#ifndef EVAS_STATIC_BUILD_SOFTWARE_X11
EVAS_EINA_MODULE_DEFINE(engine, software_x11);
#endif