src/modules/engines/software_xcb/evas_engine.h

   1 #ifndef EVAS_ENGINE_H
   2 #define EVAS_ENGINE_H
   3
   4 #include <sys/ipc.h>
   5 #include <sys/shm.h>
   6
   7 #include <xcb/xcb.h>
   8 #include <xcb/xcb_image.h>
   9
  10 typedef struct _Outbuf                Outbuf;
  11 typedef struct _Outbuf_Region         Outbuf_Region;
  12 typedef struct _Xcb_Output_Buffer     Xcb_Output_Buffer;
  13
  14 typedef enum   _Outbuf_Depth          Outbuf_Depth;
  15
  16 enum _Outbuf_Depth
  17 {
  18    OUTBUF_DEPTH_NONE,
  19    OUTBUF_DEPTH_INHERIT,
  20    OUTBUF_DEPTH_RGB_16BPP_565_565_DITHERED,
  21    OUTBUF_DEPTH_RGB_16BPP_555_555_DITHERED,
  22    OUTBUF_DEPTH_RGB_16BPP_444_444_DITHERED,
  23    OUTBUF_DEPTH_RGB_16BPP_565_444_DITHERED,
  24    OUTBUF_DEPTH_RGB_32BPP_888_8888,
  25    OUTBUF_DEPTH_LAST
  26 };
  27
  28 struct _Outbuf
  29 {
  30    Outbuf_Depth    depth;
  31    int             w, h;
  32    int             rot;
  33    int             onebuf;
  34
  35    struct {
  36       Convert_Pal *pal;
  37       struct {
  38          xcb_connection_t  *conn;
  39          xcb_screen_t      *screen;
  40          xcb_drawable_t     win;
  41          xcb_drawable_t     mask;
  42          xcb_visualtype_t  *vis;
  43          xcb_colormap_t     cmap;
  44          int                depth;
  45          int                shm;
  46          xcb_gcontext_t     gc;
  47          xcb_gcontext_t     gcm;
  48          unsigned char      swap     : 1;
  49          unsigned char      bit_swap : 1;
  50       } x;
  51       struct {
  52          DATA32    r, g, b;
  53       } mask;
  54
  55       /* 1 big buffer for updates - flush on idle_flush */
  56       RGBA_Image  *onebuf;
  57       Evas_List   *onebuf_regions;
  58
  59       /* a list of pending regions to write to the target */
  60       Evas_List   *pending_writes;
  61       /* a list of previous frame pending regions to write to the target */
  62       Evas_List   *prev_pending_writes;
  63
  64       unsigned char mask_dither       : 1;
  65       unsigned char destination_alpha : 1;
  66       unsigned char debug             : 1;
  67       unsigned char synced            : 1;
  68    } priv;
  69 };
  70
  71 struct _Outbuf_Region
  72 {
  73    Xcb_Output_Buffer *xcbob;
  74    Xcb_Output_Buffer *mxcbob;
  75    int                x;
  76    int                y;
  77    int                w;
  78    int                h;
  79 };
  80
  81 struct _Xcb_Output_Buffer
  82 {
  83    xcb_connection_t       *connection;
  84    xcb_image_t            *image;
  85    xcb_shm_segment_info_t *shm_info;
  86    void                   *data;
  87    int                     w;
  88    int                     h;
  89    int                     bpl;
  90    int                     psize;
  91 };
  92
  93
  94 /****/
  95 /* main */
  96 void               evas_software_xcb_x_init                    (void);
  97
  98 /* buffer */
  99 void               evas_software_xcb_x_write_mask_line         (Outbuf            *buf,
 100                                                                 Xcb_Output_Buffer *xcbob,
 101                                                                 DATA32            *src,
 102                                                                 int                w,
 103                                                                 int                y);
 104 int                evas_software_xcb_x_can_do_shm              (xcb_connection_t *c,
 105                                                                 xcb_screen_t     *screen);
 106 Xcb_Output_Buffer *evas_software_xcb_x_output_buffer_new       (xcb_connection_t *c,
 107                                                                 int            depth,
 108                                                                 int            w,
 109                                                                 int            h,
 110                                                                 int            try_shm,
 111                                                                 void          *data);
 112 void               evas_software_xcb_x_output_buffer_free      (Xcb_Output_Buffer *xcbob,
 113                                                                 int                sync);
 114 void               evas_software_xcb_x_output_buffer_paste     (Xcb_Output_Buffer *xcbob,
 115                                                                 xcb_drawable_t        d,
 116                                                                 xcb_gcontext_t        gc,
 117                                                                 int                x,
 118                                                                 int                y,
 119                                                                 int                sync);
 120 DATA8             *evas_software_xcb_x_output_buffer_data      (Xcb_Output_Buffer *xcbob,
 121                                                                 int               *bytes_per_line_ret);
 122 int                evas_software_xcb_x_output_buffer_depth     (Xcb_Output_Buffer *xcbob);
 123 int                evas_software_xcb_x_output_buffer_byte_order(Xcb_Output_Buffer *xcbob);
 124 int                evas_software_xcb_x_output_buffer_bit_order (Xcb_Output_Buffer *xcbob);
 125
 126
 127 /* color */
 128 void         evas_software_xcb_x_color_init       (void);
 129 Convert_Pal *evas_software_xcb_x_color_allocate   (xcb_connection_t   *conn,
 130                                                    xcb_colormap_t      cmap,
 131                                                    xcb_visualtype_t   *vis,
 132                                                    Convert_Pal_Mode    colors);
 133 void         evas_software_xcb_x_color_deallocate (xcb_connection_t *conn,
 134                                                    xcb_colormap_t    cmap,
 135                                                    xcb_visualtype_t *vis,
 136                                                    Convert_Pal      *pal);
 137
 138 /* outbuf */
 139 void         evas_software_xcb_outbuf_init                   (void);
 140 void         evas_software_xcb_outbuf_free                   (Outbuf *buf);
 141 Outbuf      *evas_software_xcb_outbuf_setup_x                (int               w,
 142                                                               int               h,
 143                                                               int               rot,
 144                                                               Outbuf_Depth      depth,
 145                                                               xcb_connection_t *conn,
 146                                                               xcb_screen_t     *screen,
 147                                                               xcb_drawable_t    draw,
 148                                                               xcb_visualtype_t *vis,
 149                                                               xcb_colormap_t    cmap,
 150                                                               int               x_depth,
 151                                                               int               grayscale,
 152                                                               int               max_colors,
 153                                                               xcb_drawable_t    mask,
 154                                                               int               shape_dither,
 155                                                               int               destination_alpha);
 156 RGBA_Image  *evas_software_xcb_outbuf_new_region_for_update  (Outbuf *buf,
 157                                                               int     x,
 158                                                               int     y,
 159                                                               int     w,
 160                                                               int     h,
 161                                                               int    *cx,
 162                                                               int    *cy,
 163                                                               int    *cw,
 164                                                               int    *ch);
 165 void         evas_software_xcb_outbuf_free_region_for_update (Outbuf    *buf,
 166                                                               RGBA_Image *update);
 167 void         evas_software_xcb_outbuf_flush                  (Outbuf *buf);
 168 void         evas_software_xcb_outbuf_idle_flush             (Outbuf *buf);
 169 void         evas_software_xcb_outbuf_push_updated_region    (Outbuf     *buf,
 170                                                               RGBA_Image *update,
 171                                                               int         x,
 172                                                               int         y,
 173                                                               int         w,
 174                                                               int         h);
 175 void         evas_software_xcb_outbuf_reconfigure            (Outbuf      *buf,
 176                                                               int          w,
 177                                                               int          h,
 178                                                               int          rot,
 179                                                               Outbuf_Depth depth);
 180 int          evas_software_xcb_outbuf_get_width              (Outbuf *buf);
 181 int          evas_software_xcb_outbuf_get_height             (Outbuf *buf);
 182 Outbuf_Depth evas_software_xcb_outbuf_get_depth              (Outbuf *buf);
 183 int          evas_software_xcb_outbuf_get_rot                (Outbuf *buf);
 184 void         evas_software_xcb_outbuf_drawable_set           (Outbuf *buf, xcb_drawable_t draw);
 185 void         evas_software_xcb_outbuf_mask_set               (Outbuf *buf, xcb_drawable_t mask);
 186 void         evas_software_xcb_outbuf_rotation_set           (Outbuf *buf, int rot);
 187
 188 void         evas_software_xcb_outbuf_debug_set              (Outbuf *buf, int debug);
 189 void         evas_software_xcb_outbuf_debug_show             (Outbuf        *buf,
 190                                                               xcb_drawable_t draw,
 191                                                               int            x,
 192                                                               int            y,
 193                                                               int            w,
 194                                                               int            h);
 195
 196 #endif /* EVAS_ENGINE_H */