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/*
* 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_context.h"
#include "GPU_framebuffer.h"
#include "GPU_immediate.h"
#include "MEM_guardedalloc.h"
#include "WM_api.h"
#include "WM_types.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 *))
{
LISTBASE_FOREACH (wmSurface *, surf, &global_surface_list) {
cb(C, surf);
}
}
void wm_surface_clear_drawable(void)
{
if (g_drawable) {
WM_opengl_context_release(g_drawable->ghost_ctx);
GPU_context_active_set(NULL);
BLF_batch_reset();
gpu_batch_presets_reset();
immDeactivate();
if (g_drawable->deactivate) {
g_drawable->deactivate();
}
g_drawable = NULL;
}
}
void wm_surface_set_drawable(wmSurface *surface, bool activate)
{
BLI_assert(ELEM(g_drawable, NULL, surface));
g_drawable = surface;
if (activate) {
if (surface->activate) {
surface->activate();
}
WM_opengl_context_activate(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)
{
wm_surface_clear_drawable();
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));
}
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