700 lines
17 KiB
C
700 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_8_X11.h"
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#include "evas_common_soft8.h"
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#include <pixman.h>
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int _evas_engine_soft8_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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/* engine struct data */
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typedef struct _Render_Engine Render_Engine;
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struct _Render_Engine {
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xcb_connection_t *connection;
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xcb_drawable_t drawable;
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xcb_screen_t *screen;
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unsigned char pal[256];
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int depth;
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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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X_Output_Buffer *shbuf;
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Soft8_Image *tmp_out; /* used by indirect render, like rotation */
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pixman_region16_t *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,
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int *w, int *h, int *cx,
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int *cy, int *cw, int *ch);
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static void eng_output_redraws_next_update_push(void *data, void *surface,
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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_8_X11 *info;
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info = calloc(1, sizeof(Evas_Engine_Info_Software_8_X11));
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if (!info)
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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_8_X11 *in;
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in = (Evas_Engine_Info_Software_8_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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unsigned 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 > (int)w)
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w = r->w;
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if (r->h > (int)h)
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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)
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|| (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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Soft8_Image *im;
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im = (Soft8_Image *)
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evas_cache_image_empty(evas_common_soft8_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 void
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alloc_colors(Render_Engine * re)
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{
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xcb_alloc_color_cookie_t color_rq[256];
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xcb_alloc_color_reply_t *rep;
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xcb_colormap_t colormap = re->screen->default_colormap;
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int i;
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for (i = 0; i < 256; i++)
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color_rq[i] =
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xcb_alloc_color(re->connection, colormap, i << 8, i << 8, i << 8);
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for (i = 0; i < 256; i++)
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{
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rep = xcb_alloc_color_reply(re->connection, color_rq[i], NULL);
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re->pal[i] = rep->pixel;
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free(rep);
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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_8_X11 *info;
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/* X_Output_Buffer *xob; */
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info = (Evas_Engine_Info_Software_8_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 8bit display mode
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* and no real other acceleration, and high resolution so we
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* can pre-dither into 8bpp. */
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// if (DefaultDepth(info->info.display,
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// DefaultScreen(info->info.display)) != 8)
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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_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_soft8_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->connection = info->info.connection;
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re->screen = info->info.screen;
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re->drawable = info->info.drawable;
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re->depth = info->info.depth;
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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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alloc_colors(re);
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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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re = e->engine.data.output;
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if (re->tb)
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evas_common_tilebuf_free(re->tb);
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re->connection = info->info.connection;
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re->screen = info->info.screen;
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re->drawable = info->info.drawable;
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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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alloc_colors(re);
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}
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if (!e->engine.data.output)
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return 0;
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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_8_x11_x_can_do_shm(re->connection, re->screen);
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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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if (re->shbuf)
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evas_software_8_x11_x_output_buffer_free(re->shbuf, 0);
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if (re->clip_rects)
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{
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pixman_region_fini(re->clip_rects);
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free(re->clip_rects);
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re->clip_rects = NULL;
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}
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if (re->tb)
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evas_common_tilebuf_free(re->tb);
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if (re->rects)
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evas_common_tilebuf_free_render_rects(re->rects);
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if (re->tmp_out)
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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_soft8_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))
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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_8_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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pixman_region_fini(re->clip_rects);
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free(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)
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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_8_x11_x_output_buffer_new
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(re->connection, re->screen, re->depth, re->pal, w, h, 1, NULL);
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re->shbuf->drawable = re->drawable;
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re->shbuf->screen = re->screen;
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if (re->shbuf->gc)
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{
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xcb_free_gc(re->shbuf->connection, re->shbuf->gc);
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re->shbuf->gc = 0;
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}
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re->shbuf->gc = xcb_generate_id(re->shbuf->connection);
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xcb_create_gc(re->shbuf->connection, re->shbuf->gc, re->shbuf->drawable, 0,
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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,
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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)
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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)
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_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)
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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;
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uy = rect->y;
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uw = rect->w;
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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;
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*y = uy;
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*w = uw;
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*h = uh;
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if (re->rot == 0)
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{
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*cx = ux;
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*cy = uy;
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*cw = uw;
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*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;
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*cy = 0;
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*cw = uw;
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*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(Soft8_Image * dst, const Soft8_Image * src,
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int out_x, int out_y, int w, int h)
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{
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DATA8 *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 + (w + out_y - 1) * dst->stride);
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for (y = 0; y < h; y++)
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{
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DATA8 *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(Soft8_Image * dst, const Soft8_Image * src,
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int out_x, int out_y, int w, int h)
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{
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DATA8 *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) + (h + out_y - 1) * dst->stride);
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for (y = 0; y < h; y++)
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{
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DATA8 *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--;
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}
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sp += src->stride;
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dp -= dst->stride;
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}
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}
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static void
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_blit_rot_270(Soft8_Image * dst, const Soft8_Image * src,
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int out_x, int out_y, int w, int h)
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{
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DATA8 *dp, *sp;
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int x, y;
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sp = src->pixels;
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dp = dst->pixels + ((h + out_x - 1) + out_y * dst->stride);
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for (y = 0; y < h; y++)
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{
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DATA8 *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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_tmp_out_process(Render_Engine * re, int out_x, int out_y, int w, int h)
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{
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Soft8_Image *d, *s;
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d = re->shbuf->im;
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s = re->tmp_out;
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if ((w < 1) || (h < 1) ||
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(out_x >= (int)d->cache_entry.w) ||
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(out_y >= (int)d->cache_entry.h))
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return;
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if (re->rot == 90)
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_blit_rot_90(d, s, out_x, out_y, w, h);
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else if (re->rot == 180)
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_blit_rot_180(d, s, out_x, out_y, w, h);
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else if (re->rot == 270)
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_blit_rot_270(d, s, out_x, out_y, w, h);
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}
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static void
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eng_output_redraws_next_update_push(void *data, void *surface __UNUSED__, int x,
|
|
int y, int w, int h)
|
|
{
|
|
Render_Engine *re;
|
|
struct {
|
|
int x, y, width, height;
|
|
} r =
|
|
{
|
|
0, 0, 0, 0};
|
|
|
|
re = (Render_Engine *) data;
|
|
|
|
if (!re->clip_rects)
|
|
{
|
|
re->clip_rects =
|
|
(pixman_region16_t *) malloc(sizeof(pixman_region16_t));
|
|
pixman_region_init(re->clip_rects);
|
|
}
|
|
|
|
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);
|
|
|
|
pixman_region_union_rect(re->clip_rects, re->clip_rects,
|
|
r.x, r.y, r.width, r.height);
|
|
}
|
|
|
|
static void
|
|
eng_output_flush(void *data)
|
|
{
|
|
Render_Engine *re;
|
|
|
|
re = (Render_Engine *) data;
|
|
|
|
if (re->clip_rects)
|
|
{
|
|
re->shbuf->drawable = re->drawable;
|
|
{
|
|
int i;
|
|
pixman_box16_t *rects =
|
|
pixman_region_rectangles(re->clip_rects, NULL);
|
|
for (i = 0; i < pixman_region_n_rects(re->clip_rects); i++, rects++)
|
|
evas_software_8_x11_x_output_buffer_paste
|
|
(re->shbuf, re->drawable, re->shbuf->gc, rects->x1, rects->y1,
|
|
rects->x2 - rects->x1, rects->y2 - rects->y1, 1);
|
|
}
|
|
|
|
pixman_region_fini(re->clip_rects);
|
|
free(re->clip_rects);
|
|
re->clip_rects = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
eng_output_idle_flush(void *data)
|
|
{
|
|
Render_Engine *re;
|
|
|
|
re = (Render_Engine *) data;
|
|
if (re->shbuf)
|
|
{
|
|
evas_software_8_x11_x_output_buffer_free(re->shbuf, 0);
|
|
re->shbuf = NULL;
|
|
}
|
|
if (re->clip_rects)
|
|
{
|
|
pixman_region_fini(re->clip_rects);
|
|
free(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)
|
|
{
|
|
if (!em)
|
|
return 0;
|
|
/* get whatever engine module we inherit from */
|
|
if (!_evas_module_engine_inherit(&pfunc, "software_8"))
|
|
return 0;
|
|
_evas_engine_soft8_x11_log_dom = eina_log_domain_register
|
|
("evas-software_8_x11", EVAS_DEFAULT_LOG_COLOR);
|
|
if (_evas_engine_soft8_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_soft8_x11_log_dom);
|
|
}
|
|
|
|
static Evas_Module_Api evas_modapi = {
|
|
EVAS_MODULE_API_VERSION,
|
|
"software_8_x11",
|
|
"none",
|
|
{
|
|
module_open,
|
|
module_close}
|
|
};
|
|
|
|
EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, software_8_x11);
|
|
|
|
#ifndef EVAS_STATIC_BUILD_SOFTWARE_8_X11
|
|
EVAS_EINA_MODULE_DEFINE(engine, software_8_x11);
|
|
#endif
|