diff options
Diffstat (limited to 'source/blender/windowmanager/intern/wm_surface.c')
-rw-r--r-- | source/blender/windowmanager/intern/wm_surface.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/source/blender/windowmanager/intern/wm_surface.c b/source/blender/windowmanager/intern/wm_surface.c new file mode 100644 index 00000000000..cb575cc8f7d --- /dev/null +++ b/source/blender/windowmanager/intern/wm_surface.c @@ -0,0 +1,118 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +/** \file + * \ingroup wm + */ + +#include "BKE_context.h" + +#include "BLF_api.h" + +#include "BLI_listbase.h" +#include "BLI_threads.h" + +#include "GHOST_C-api.h" + +#include "GPU_batch_presets.h" +#include "GPU_framebuffer.h" +#include "GPU_immediate.h" +#include "GPU_context.h" + +#include "MEM_guardedalloc.h" + +#include "WM_types.h" +#include "WM_api.h" +#include "wm.h" + +#include "wm_surface.h" + +static ListBase global_surface_list = {NULL, NULL}; +static wmSurface *g_drawable = NULL; + +void wm_surfaces_iter(bContext *C, void (*cb)(bContext *C, wmSurface *)) +{ + for (wmSurface *surf = global_surface_list.first; surf; surf = surf->next) { + cb(C, surf); + } +} + +void wm_surface_clear_drawable(void) +{ + if (g_drawable) { + BLF_batch_reset(); + gpu_batch_presets_reset(); + immDeactivate(); + + g_drawable = NULL; + } +} + +void wm_surface_set_drawable(wmSurface *surface, bool activate) +{ + BLI_assert(ELEM(g_drawable, NULL, surface)); + + g_drawable = surface; + if (activate) { + GHOST_ActivateOpenGLContext(surface->ghost_ctx); + } + + GPU_context_active_set(surface->gpu_ctx); + immActivate(); +} + +void wm_surface_make_drawable(wmSurface *surface) +{ + BLI_assert(GPU_framebuffer_active_get() == NULL); + + if (surface != g_drawable) { + wm_surface_clear_drawable(); + wm_surface_set_drawable(surface, true); + } +} + +void wm_surface_reset_drawable(void) +{ + BLI_assert(BLI_thread_is_main()); + BLI_assert(GPU_framebuffer_active_get() == NULL); + + if (g_drawable) { + wm_surface_clear_drawable(); + wm_surface_set_drawable(g_drawable, true); + } +} + +void wm_surface_add(wmSurface *surface) +{ + BLI_addtail(&global_surface_list, surface); +} + +void wm_surface_remove(wmSurface *surface) +{ + BLI_remlink(&global_surface_list, surface); + surface->free_data(surface); + MEM_freeN(surface); +} + +void wm_surfaces_free(void) +{ + for (wmSurface *surf = global_surface_list.first, *surf_next; surf; surf = surf_next) { + surf_next = surf->next; + wm_surface_remove(surf); + } + + BLI_assert(BLI_listbase_is_empty(&global_surface_list)); +} |