125 lines
2.8 KiB
C
125 lines
2.8 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/** \file
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* \ingroup wm
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*/
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#include "BKE_context.h"
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#include "BLF_api.h"
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#include "BLI_listbase.h"
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#include "BLI_threads.h"
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#include "GHOST_C-api.h"
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#include "GPU_batch_presets.h"
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#include "GPU_context.h"
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#include "GPU_framebuffer.h"
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#include "GPU_immediate.h"
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#include "MEM_guardedalloc.h"
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#include "WM_api.h"
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#include "WM_types.h"
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#include "wm.h"
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#include "wm_surface.h"
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static ListBase global_surface_list = {NULL, NULL};
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static wmSurface *g_drawable = NULL;
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void wm_surfaces_iter(bContext *C, void (*cb)(bContext *C, wmSurface *))
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{
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LISTBASE_FOREACH (wmSurface *, surf, &global_surface_list) {
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cb(C, surf);
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}
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}
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void wm_surface_clear_drawable(void)
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{
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if (g_drawable) {
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WM_opengl_context_release(g_drawable->ghost_ctx);
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GPU_context_active_set(NULL);
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if (g_drawable->deactivate) {
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g_drawable->deactivate();
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}
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g_drawable = NULL;
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}
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}
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void wm_surface_set_drawable(wmSurface *surface, bool activate)
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{
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BLI_assert(ELEM(g_drawable, NULL, surface));
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g_drawable = surface;
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if (activate) {
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if (surface->activate) {
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surface->activate();
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}
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WM_opengl_context_activate(surface->ghost_ctx);
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}
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GPU_context_active_set(surface->gpu_ctx);
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}
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void wm_surface_make_drawable(wmSurface *surface)
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{
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BLI_assert(GPU_framebuffer_active_get() == GPU_framebuffer_back_get());
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if (surface != g_drawable) {
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wm_surface_clear_drawable();
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wm_surface_set_drawable(surface, true);
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}
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}
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void wm_surface_reset_drawable(void)
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{
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BLI_assert(BLI_thread_is_main());
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BLI_assert(GPU_framebuffer_active_get() == GPU_framebuffer_back_get());
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if (g_drawable) {
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wm_surface_clear_drawable();
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wm_surface_set_drawable(g_drawable, true);
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}
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}
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void wm_surface_add(wmSurface *surface)
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{
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BLI_addtail(&global_surface_list, surface);
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}
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void wm_surface_remove(wmSurface *surface)
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{
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BLI_remlink(&global_surface_list, surface);
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surface->free_data(surface);
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MEM_freeN(surface);
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}
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void wm_surfaces_free(void)
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{
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wm_surface_clear_drawable();
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LISTBASE_FOREACH_MUTABLE (wmSurface *, surf, &global_surface_list) {
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wm_surface_remove(surf);
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}
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BLI_assert(BLI_listbase_is_empty(&global_surface_list));
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}
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