58 } framebuffer;
87   grub_free (framebuffer.palette);
88   framebuffer.render_target = 0;
89   framebuffer.back_target = 0;
90   framebuffer.palette = 0;
91   framebuffer.palette_size = 0;
92   framebuffer.set_page = 0;
101   grub_free (framebuffer.offscreen_buffer);
102   grub_free (framebuffer.palette);
103   framebuffer.render_target = 0;
104   framebuffer.back_target = 0;
105   framebuffer.palette = 0;
106   framebuffer.palette_size = 0;
107   framebuffer.set_page = 0;
108   framebuffer.offscreen_buffer = 0;
116   grub_memcpy (mode_info, &framebuffer.render_target->mode_info,
129   for (i = 0; (i < count) && ((i + start) < framebuffer.palette_size); i++)
130     palette_data[i] = framebuffer.palette[start + i];
140   if (start + count > framebuffer.palette_size)
142       framebuffer.palette_size = start + count;
143       framebuffer.palette = grub_realloc (framebuffer.palette,
144 					  sizeof (framebuffer.palette[0])
145 					  * framebuffer.palette_size);
146       if (!framebuffer.palette)
152   for (i = 0; (i < count) && ((i + start) < framebuffer.palette_size); i++)
153     framebuffer.palette[start + i] = palette_data[i];
163   if (x > framebuffer.render_target->mode_info.width)
169   if (y > framebuffer.render_target->mode_info.height)
175   if (x + width > framebuffer.render_target->mode_info.width)
176     width = framebuffer.render_target->mode_info.width - x;
178   if (y + height > framebuffer.render_target->mode_info.height)
179     height = framebuffer.render_target->mode_info.height - y;
181   framebuffer.render_target->viewport.x = x;
182   framebuffer.render_target->viewport.y = y;
183   framebuffer.render_target->viewport.width = width;
184   framebuffer.render_target->viewport.height = height;
193   if (x) *x = framebuffer.render_target->viewport.x;
194   if (y) *y = framebuffer.render_target->viewport.y;
195   if (width) *width = framebuffer.render_target->viewport.width;
196   if (height) *height = framebuffer.render_target->viewport.height;
207   if (color_name < framebuffer.palette_size)
209       if ((framebuffer.render_target->mode_info.mode_type
216           color = grub_video_fb_map_rgb (framebuffer.palette[color_name].r,
217 					 framebuffer.palette[color_name].g,
218 					 framebuffer.palette[color_name].b);
232   if ((framebuffer.render_target->mode_info.mode_type
242       for (i = 0; i < framebuffer.palette_size; i++)
244           val = framebuffer.palette[i].r - red;
246           val = framebuffer.palette[i].g - green;
248           val = framebuffer.palette[i].b - blue;
265   else if ((framebuffer.render_target->mode_info.mode_type
268        if (red == framebuffer.render_target->mode_info.fg_red
269            && green == framebuffer.render_target->mode_info.fg_green
270            && blue == framebuffer.render_target->mode_info.fg_blue)
280       red >>= 8 - framebuffer.render_target->mode_info.red_mask_size;
281       green >>= 8 - framebuffer.render_target->mode_info.green_mask_size;
282       blue >>= 8 - framebuffer.render_target->mode_info.blue_mask_size;
283       alpha >>= 8 - framebuffer.render_target->mode_info.reserved_mask_size;
285       value = red << framebuffer.render_target->mode_info.red_field_pos;
286       value |= green << framebuffer.render_target->mode_info.green_field_pos;
287       value |= blue << framebuffer.render_target->mode_info.blue_field_pos;
288       value |= alpha << framebuffer.render_target->mode_info.reserved_field_pos;
300   if ((framebuffer.render_target->mode_info.mode_type
305   else if ((framebuffer.render_target->mode_info.mode_type
308       if (red == framebuffer.render_target->mode_info.fg_red
309           && green == framebuffer.render_target->mode_info.fg_green
310           && blue == framebuffer.render_target->mode_info.fg_blue
311           && alpha == framebuffer.render_target->mode_info.fg_alpha)
320       red >>= 8 - framebuffer.render_target->mode_info.red_mask_size;
321       green >>= 8 - framebuffer.render_target->mode_info.green_mask_size;
322       blue >>= 8 - framebuffer.render_target->mode_info.blue_mask_size;
323       alpha >>= 8 - framebuffer.render_target->mode_info.reserved_mask_size;
325       value = red << framebuffer.render_target->mode_info.red_field_pos;
326       value |= green << framebuffer.render_target->mode_info.green_field_pos;
327       value |= blue << framebuffer.render_target->mode_info.blue_field_pos;
328       value |= alpha << framebuffer.render_target->mode_info.reserved_field_pos;
342   target_info.mode_info = &framebuffer.render_target->mode_info;
343   target_info.data = framebuffer.render_target->data;
373       *red = framebuffer.palette[color].r;
374       *green = framebuffer.palette[color].g;
375       *blue = framebuffer.palette[color].b;
376       *alpha = framebuffer.palette[color].a;
441   if (framebuffer.render_target != framebuffer.back_target)
443   if (framebuffer.current_dirty.first_line > y)
444     framebuffer.current_dirty.first_line = y;
445   if (framebuffer.current_dirty.last_line < y + height)
446     framebuffer.current_dirty.last_line = y + height;
456   if ((x >= (int)framebuffer.render_target->viewport.width) || (x + (int)width < 0))
458   if ((y >= (int)framebuffer.render_target->viewport.height) || (y + (int)height < 0))
473   if ((x + width) > framebuffer.render_target->viewport.width)
474     width = framebuffer.render_target->viewport.width - x;
475   if ((y + height) > framebuffer.render_target->viewport.height)
476     height = framebuffer.render_target->viewport.height - y;
479   x += framebuffer.render_target->viewport.x;
480   y += framebuffer.render_target->viewport.y;
485   target.mode_info = &framebuffer.render_target->mode_info;
486   target.data = framebuffer.render_target->data;
819   if ((x >= (int)framebuffer.render_target->viewport.width) || (x + (int)width < 0))
821   if ((y >= (int)framebuffer.render_target->viewport.height) || (y + (int)height < 0))
864   if ((x + width) > framebuffer.render_target->viewport.width)
865     width = framebuffer.render_target->viewport.width - x;
866   if ((y + height) > framebuffer.render_target->viewport.height)
867     height = framebuffer.render_target->viewport.height - y;
882   x += framebuffer.render_target->viewport.x;
883   y += framebuffer.render_target->viewport.y;
888   target.mode_info = &framebuffer.render_target->mode_info;
889   target.data = framebuffer.render_target->data;
910   if ((x >= (int)framebuffer.render_target->viewport.width) || (x + (int)width < 0))
912   if ((y >= (int)framebuffer.render_target->viewport.height) || (y + (int)height < 0))
955   if ((x + width) > framebuffer.render_target->viewport.width)
956     width = framebuffer.render_target->viewport.width - x;
957   if ((y + height) > framebuffer.render_target->viewport.height)
958     height = framebuffer.render_target->viewport.height - y;
973   x += framebuffer.render_target->viewport.x;
974   y += framebuffer.render_target->viewport.y;
979   target_info.mode_info = &framebuffer.render_target->mode_info;
980   target_info.data = framebuffer.render_target->data;
1003   width = framebuffer.render_target->viewport.width - grub_abs (dx);
1004   height = framebuffer.render_target->viewport.height - grub_abs (dy);
1006   dirty (framebuffer.render_target->viewport.y,
1007 	 framebuffer.render_target->viewport.height);
1011       src_x = framebuffer.render_target->viewport.x - dx;
1012       dst_x = framebuffer.render_target->viewport.x;
1016       src_x = framebuffer.render_target->viewport.x;
1017       dst_x = framebuffer.render_target->viewport.x + dx;
1022       src_y = framebuffer.render_target->viewport.y - dy;
1023       dst_y = framebuffer.render_target->viewport.y;
1027       src_y = framebuffer.render_target->viewport.y;
1028       dst_y = framebuffer.render_target->viewport.y + dy;
1032   if ((grub_abs (dx) < framebuffer.render_target->viewport.width)
1033        && (grub_abs (dy) < framebuffer.render_target->viewport.height))
1040       target.mode_info = &framebuffer.render_target->mode_info;
1041       target.data = framebuffer.render_target->data;
1124     grub_video_fb_fill_rect (color, 0, 0, framebuffer.render_target->viewport.width, dy);
1127       if (framebuffer.render_target->viewport.height < grub_abs (dy))
1128         dy = -framebuffer.render_target->viewport.height;
1130       grub_video_fb_fill_rect (color, 0, framebuffer.render_target->viewport.height + dy,
1131                                 framebuffer.render_target->viewport.width, -dy);
1137                               dx, framebuffer.render_target->viewport.height);
1140       if (framebuffer.render_target->viewport.width < grub_abs (dx))
1141         dx = -framebuffer.render_target->viewport.width;
1143       grub_video_fb_fill_rect (color, framebuffer.render_target->viewport.width + dx, 0,
1144                                 -dx, framebuffer.render_target->viewport.height);
1191   target->mode_info.number_of_colors = framebuffer.palette_size; /* Emulated palette.  */
1246   /* Mark framebuffer memory as non allocated.  */
1293     target = framebuffer.back_target;
1299   framebuffer.render_target = target;
1307   *target = framebuffer.render_target;
1309   if (*target == framebuffer.back_target)
1318   if (framebuffer.current_dirty.first_line
1319       <= framebuffer.current_dirty.last_line)
1320     grub_memcpy ((char *) framebuffer.pages[0]
1321 		 + framebuffer.current_dirty.first_line
1322 		 * framebuffer.back_target->mode_info.pitch,
1323 		 (char *) framebuffer.back_target->data
1324 		 + framebuffer.current_dirty.first_line
1325 		 * framebuffer.back_target->mode_info.pitch,
1326 		 framebuffer.back_target->mode_info.pitch
1327 		 * (framebuffer.current_dirty.last_line
1328 		    - framebuffer.current_dirty.first_line));
1329   framebuffer.current_dirty.first_line
1330     = framebuffer.back_target->mode_info.height;
1331   framebuffer.current_dirty.last_line = 0;
1344   framebuffer.offscreen_buffer = grub_zalloc (page_size);
1345   if (! framebuffer.offscreen_buffer)
1348   err = grub_video_fb_create_render_target_from_pointer (&framebuffer.back_target,
1350 							 framebuffer.offscreen_buffer);
1354       grub_free (framebuffer.offscreen_buffer);
1355       framebuffer.offscreen_buffer = 0;
1360   framebuffer.update_screen = doublebuf_blit_update_screen;
1361   framebuffer.pages[0] = framebuf;
1362   framebuffer.displayed_page = 0;
1363   framebuffer.render_page = 0;
1364   framebuffer.current_dirty.first_line = mode_info.height;
1365   framebuffer.current_dirty.last_line = 0;
1377   first_line = framebuffer.current_dirty.first_line;
1378   last_line = framebuffer.current_dirty.last_line;
1379   if (first_line > framebuffer.previous_dirty.first_line)
1380     first_line = framebuffer.previous_dirty.first_line;
1381   if (last_line < framebuffer.previous_dirty.last_line)
1382     last_line = framebuffer.previous_dirty.last_line;
1385     grub_memcpy ((char *) framebuffer.pages[framebuffer.render_page]
1386 		 + first_line * framebuffer.back_target->mode_info.pitch,
1387 		 (char *) framebuffer.back_target->data
1388 		 + first_line * framebuffer.back_target->mode_info.pitch,
1389 		 framebuffer.back_target->mode_info.pitch
1391   framebuffer.previous_dirty = framebuffer.current_dirty;
1392   framebuffer.current_dirty.first_line
1393     = framebuffer.back_target->mode_info.height;
1394   framebuffer.current_dirty.last_line = 0;
1396   /* Swap the page numbers in the framebuffer struct.  */
1397   new_displayed_page = framebuffer.render_page;
1398   framebuffer.render_page = framebuffer.displayed_page;
1399   framebuffer.displayed_page = new_displayed_page;
1401   err = framebuffer.set_page (framebuffer.displayed_page);
1405       framebuffer.render_page = framebuffer.displayed_page;
1406       framebuffer.displayed_page = new_displayed_page;
1422   framebuffer.offscreen_buffer = grub_malloc (page_size);
1423   if (! framebuffer.offscreen_buffer)
1428   err = grub_video_fb_create_render_target_from_pointer (&framebuffer.back_target,
1430 							 framebuffer.offscreen_buffer);
1434       grub_free (framebuffer.offscreen_buffer);
1435       framebuffer.offscreen_buffer = 0;
1438   framebuffer.back_target->is_allocated = 1;
1440   framebuffer.displayed_page = 0;
1441   framebuffer.render_page = 1;
1443   framebuffer.update_screen = doublebuf_pageflipping_update_screen;
1444   framebuffer.pages[0] = page0_ptr;
1445   framebuffer.pages[1] = page1_ptr;
1447   framebuffer.current_dirty.first_line
1448     = framebuffer.back_target->mode_info.height;
1449   framebuffer.current_dirty.last_line = 0;
1450   framebuffer.previous_dirty.first_line
1451     = framebuffer.back_target->mode_info.height;
1452   framebuffer.previous_dirty.last_line = 0;
1454   /* Set the framebuffer memory data pointer and display the right page.  */
1455   err = set_page_in (framebuffer.displayed_page);
1458       grub_video_fb_delete_render_target (framebuffer.back_target);
1461   framebuffer.set_page = set_page_in;
1489 	  framebuffer.render_target = framebuffer.back_target;
1509       err = grub_video_fb_doublebuf_blit_init (&framebuffer.back_target,
1515 	  framebuffer.render_target = framebuffer.back_target;
1526   err = grub_video_fb_create_render_target_from_pointer (&framebuffer.back_target,
1533   framebuffer.update_screen = 0;
1534   framebuffer.pages[0] = page0_ptr;
1535   framebuffer.displayed_page = 0;
1536   framebuffer.render_page = 0;
1537   framebuffer.set_page = 0;
1538   framebuffer.current_dirty.first_line
1539     = framebuffer.back_target->mode_info.height;
1540   framebuffer.current_dirty.last_line = 0;
1544   framebuffer.render_target = framebuffer.back_target;
1554   if (!framebuffer.update_screen)
1557   err = framebuffer.update_screen ();
1568   grub_memcpy (mode_info, &(framebuffer.back_target->mode_info),
1573   if (framebuffer.set_page && framebuffer.displayed_page != 0)
1575       framebuffer.update_screen ();
1578   *framebuf = (void *) framebuffer.pages[framebuffer.displayed_page];

Indexes created Tue Jul 24 14:28:13 CEST 2018