bake is now modal like render and updates the image view while baking.

it also has an exec function which doesnt update (like render too)

1 files changed, 341 insertions, 0 deletions

diff --git a/source/blender/editors/object/object_bake.c b/source/blender/editors/object/object_bake.c
new file mode 100644
index 00000000000..4b02cd8e623
--- /dev/null
+++ b/source/blender/editors/object/object_bake.c
@@ -0,0 +1,341 @@
+/**
+ * $Id:
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2004 by Blender Foundation
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/*
+	meshtools.c: no editmode (violated already :), tools operating on meshes
+*/
+
+#include <string.h>
+
+#include "MEM_guardedalloc.h"
+
+#include "DNA_image_types.h"
+#include "DNA_scene_types.h"
+#include "DNA_screen_types.h"
+#include "DNA_space_types.h"
+#include "DNA_world_types.h"
+
+#include "BLI_blenlib.h"
+#include "BLI_threads.h"
+
+#include "BKE_blender.h"
+#include "BKE_context.h"
+#include "BKE_global.h"
+#include "BKE_image.h"
+#include "BKE_main.h"
+#include "BKE_object.h"
+#include "BKE_utildefines.h"
+#include "BKE_report.h"
+
+#include "RE_pipeline.h"
+#include "RE_shader_ext.h"
+
+#include "PIL_time.h"
+
+#include "IMB_imbuf_types.h"
+#include "IMB_imbuf.h"
+
+#include "GPU_draw.h" /* GPU_free_image */
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+
+/* ****************** render BAKING ********************** */
+
+/* threaded break test */
+static int thread_break(void *unused)
+{
+	return G.afbreek;
+}
+
+static ScrArea *biggest_image_area(bScreen *screen)
+{
+	ScrArea *sa, *big= NULL;
+	int size, maxsize= 0;
+
+	for(sa= screen->areabase.first; sa; sa= sa->next) {
+		if(sa->spacetype==SPACE_IMAGE) {
+			size= sa->winx*sa->winy;
+			if(sa->winx > 10 && sa->winy > 10 && size > maxsize) {
+				maxsize= size;
+				big= sa;
+			}
+		}
+	}
+	return big;
+}
+
+
+typedef struct BakeRender {
+	Render *re;
+	Scene *scene;
+	struct Object *actob;
+	int tot, ready;
+
+	ReportList *reports;
+
+	short *stop;
+	short *do_update;
+
+	ListBase threads;
+
+	/* backup */
+	short prev_wo_amb_occ;
+	short prev_r_raytrace;
+
+	/* for redrawing */
+	ScrArea *sa;
+} BakeRender;
+
+/* use by exec and invoke */
+int test_bake_internal(bContext *C, ReportList *reports)
+{
+	Scene *scene= CTX_data_scene(C);
+
+	if(scene->r.renderer!=R_INTERN) {
+		BKE_report(reports, RPT_ERROR, "Bake only supported for Internal Renderer");
+	} else if((scene->r.bake_flag & R_BAKE_TO_ACTIVE) && CTX_data_active_object(C)==NULL) {
+		BKE_report(reports, RPT_ERROR, "No active object");
+	}
+	else if(scene->r.bake_mode==RE_BAKE_AO && scene->world==NULL) {
+		BKE_report(reports, RPT_ERROR, "No world set up");
+	}
+	else {
+		return 1;
+	}
+
+	return 0;
+}
+
+static void init_bake_internal(BakeRender *bkr, bContext *C)
+{
+	Scene *scene= CTX_data_scene(C);
+
+	bkr->sa= biggest_image_area(CTX_wm_screen(C)); /* can be NULL */
+	bkr->scene= scene;
+	bkr->actob= (scene->r.bake_flag & R_BAKE_TO_ACTIVE) ? OBACT : NULL;
+	bkr->re= RE_NewRender("_Bake View_");
+
+	if(scene->r.bake_mode==RE_BAKE_AO) {
+		/* If raytracing or AO is disabled, switch it on temporarily for baking. */
+		bkr->prev_wo_amb_occ = (scene->world->mode & WO_AMB_OCC) != 0;
+		scene->world->mode |= WO_AMB_OCC;
+	}
+	if(scene->r.bake_mode==RE_BAKE_AO || bkr->actob) {
+		bkr->prev_r_raytrace = (scene->r.mode & R_RAYTRACE) != 0;
+		scene->r.mode |= R_RAYTRACE;
+	}
+}
+
+static void finish_bake_internal(BakeRender *bkr)
+{
+	RE_Database_Free(bkr->re);
+
+	/* restore raytrace and AO */
+	if(bkr->scene->r.bake_mode==RE_BAKE_AO)
+		if(bkr->prev_wo_amb_occ == 0)
+			bkr->scene->world->mode &= ~WO_AMB_OCC;
+
+	if(bkr->scene->r.bake_mode==RE_BAKE_AO || bkr->actob)
+		if(bkr->prev_r_raytrace == 0)
+			bkr->scene->r.mode &= ~R_RAYTRACE;
+
+	if(bkr->tot) {
+		Image *ima;
+		/* force OpenGL reload and mipmap recalc */
+		for(ima= G.main->image.first; ima; ima= ima->id.next) {
+			if(ima->ok==IMA_OK_LOADED) {
+				ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
+				if(ibuf && (ibuf->userflags & IB_BITMAPDIRTY)) {
+					GPU_free_image(ima);
+					imb_freemipmapImBuf(ibuf);
+				}
+			}
+		}
+	}
+}
+
+static void *do_bake_render(void *bake_v)
+{
+	BakeRender *bkr= bake_v;
+
+	bkr->tot= RE_bake_shade_all_selected(bkr->re, bkr->scene->r.bake_mode, bkr->actob, NULL);
+	bkr->ready= 1;
+
+	return NULL;
+}
+
+static void bake_startjob(void *bkv, short *stop, short *do_update)
+{
+	BakeRender *bkr= bkv;
+	Scene *scene= bkr->scene;
+
+	bkr->stop= stop;
+	bkr->do_update= do_update;
+
+	RE_test_break_cb(bkr->re, NULL, thread_break);
+	G.afbreek= 0;	/* blender_test_break uses this global */
+
+	RE_Database_Baking(bkr->re, scene, scene->r.bake_mode, bkr->actob);
+
+	/* baking itself is threaded, cannot use test_break in threads. we also update optional imagewindow */
+	bkr->tot= RE_bake_shade_all_selected(bkr->re, scene->r.bake_mode, bkr->actob, bkr->do_update);
+}
+
+static void bake_update(void *bkv)
+{
+	BakeRender *bkr= bkv;
+
+	if(bkr->sa && bkr->sa->spacetype==SPACE_IMAGE) { /* incase the user changed while baking */
+		SpaceImage *sima= bkr->sa->spacedata.first;
+		sima->image= RE_bake_shade_get_image();
+	}
+}
+
+static void bake_freejob(void *bkv)
+{
+	BakeRender *bkr= bkv;
+	BLI_end_threads(&bkr->threads);
+	finish_bake_internal(bkr);
+
+	if(bkr->tot==0) BKE_report(bkr->reports, RPT_ERROR, "No Images found to bake to");
+	MEM_freeN(bkr);
+}
+
+/* catch esc */
+static int objects_bake_render_modal(bContext *C, wmOperator *op, wmEvent *event)
+{
+	/* no running blender, remove handler and pass through */
+	if(0==WM_jobs_test(CTX_wm_manager(C), CTX_data_scene(C)))
+		return OPERATOR_FINISHED|OPERATOR_PASS_THROUGH;
+
+	/* running render */
+	switch (event->type) {
+		case ESCKEY:
+			return OPERATOR_RUNNING_MODAL;
+			break;
+	}
+	return OPERATOR_PASS_THROUGH;
+}
+
+static int objects_bake_render_invoke(bContext *C, wmOperator *op, wmEvent *_event)
+{
+	Scene *scene= CTX_data_scene(C);
+
+	if(test_bake_internal(C, op->reports)==0) {
+		return OPERATOR_CANCELLED;
+	}
+	else {
+		BakeRender *bkr= MEM_callocN(sizeof(BakeRender), "render bake");
+		wmJob *steve;
+
+		init_bake_internal(bkr, C);
+		bkr->reports= op->reports;
+
+		/* setup job */
+		steve= WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), scene, WM_JOB_EXCL_RENDER|WM_JOB_PRIORITY);
+		WM_jobs_customdata(steve, bkr, bake_freejob);
+		WM_jobs_timer(steve, 0.2, NC_IMAGE, 0); /* TODO - only draw bake image, can we enforce this */
+		WM_jobs_callbacks(steve, bake_startjob, NULL, bake_update);
+
+		G.afbreek= 0;
+
+		WM_jobs_start(CTX_wm_manager(C), steve);
+
+		WM_cursor_wait(0);
+		WM_event_add_notifier(C, NC_SCENE|ND_RENDER_RESULT, scene);
+
+		/* add modal handler for ESC */
+		WM_event_add_modal_handler(C, op);
+	}
+
+	return OPERATOR_RUNNING_MODAL;
+}
+
+
+static int bake_image_exec(bContext *C, wmOperator *op)
+{
+	Scene *scene= CTX_data_scene(C);
+
+
+	if(test_bake_internal(C, op->reports)==0) {
+		return OPERATOR_CANCELLED;
+	}
+	else {
+		ListBase threads;
+		BakeRender bkr;
+
+		memset(&bkr, 0, sizeof(bkr));
+
+		init_bake_internal(&bkr, C);
+		bkr.reports= op->reports;
+
+		RE_test_break_cb(bkr.re, NULL, thread_break);
+		G.afbreek= 0;	/* blender_test_break uses this global */
+
+		RE_Database_Baking(bkr.re, scene, scene->r.bake_mode, (scene->r.bake_flag & R_BAKE_TO_ACTIVE)? OBACT: NULL);
+
+		/* baking itself is threaded, cannot use test_break in threads  */
+		BLI_init_threads(&threads, do_bake_render, 1);
+		bkr.ready= 0;
+		BLI_insert_thread(&threads, &bkr);
+
+		while(bkr.ready==0) {
+			PIL_sleep_ms(50);
+			if(bkr.ready)
+				break;
+
+			/* used to redraw in 2.4x but this is just for exec in 2.5 */
+			if (!G.background)
+				blender_test_break();
+		}
+		BLI_end_threads(&threads);
+
+		if(bkr.tot==0) BKE_report(op->reports, RPT_ERROR, "No Images found to bake to");
+
+		finish_bake_internal(&bkr);
+	}
+
+	WM_event_add_notifier(C, NC_SCENE|ND_RENDER_RESULT, scene);
+	return OPERATOR_FINISHED;
+}
+
+void OBJECT_OT_bake_image(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name= "Bake";
+	ot->description= "Bake image textures of selected objects.";
+	ot->idname= "OBJECT_OT_bake_image";
+
+	/* api callbacks */
+	ot->exec= bake_image_exec;
+	ot->invoke= objects_bake_render_invoke;
+	ot->modal= objects_bake_render_modal;
+}