Differential D2889 Diff 10204 source/blender/editors/space_view3d/view3d_draw_legacy.c

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source/blender/editors/space_view3d/view3d_draw_legacy.c

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	return mask;	return mask;
	}	}

		/**
		* Draw grease pencil object strokes
		*/
		static void draw_gpencil_object_strokes(const bContext C, Scene scene, const struct Depsgraph depsgraph, View3D v3d, ARegion ar, Base base)
		{
		const bool render_override = (v3d->flag2 & V3D_RENDER_OVERRIDE) != 0;
		Object *ob = base->object;

		if (ob != CTX_data_edit_object(C)) {
		if (ob->restrictflag & OB_RESTRICT_VIEW)
		return;

		if (render_override) {
		if (ob->restrictflag & OB_RESTRICT_RENDER)
		return;

		if (ob->transflag & (OB_DUPLI & ~OB_DUPLIFRAMES))
		return;
		}
		}

		wmWindowManager *wm = (C != NULL) ? CTX_wm_manager(C) : NULL;
		if (v3d->zbuf) glDisable(GL_DEPTH_TEST);
		ED_gpencil_draw_view3d_object(wm, scene, depsgraph, ob, v3d, ar, true);
		if (v3d->zbuf) glEnable(GL_DEPTH_TEST);
		}

		/* helper function to sort gpencil objects using qsort */
		static int compare_gpencil_zdepth(const void a1, const void a2)
		{
		const tGPencilSort ps1 = a1, ps2 = a2;

		if (ps1->zdepth > ps2->zdepth) return 1;
		else if (ps1->zdepth < ps2->zdepth) return -1;

		return 0;
		}

		/* draw objects in cache from back to from */
		static void gpencil_draw_objects(const bContext C, Scene scene, const struct Depsgraph depsgraph, View3D v3d, ARegion ar, tGPencilSort cache, int gp_cache_used)
		{
		if (gp_cache_used > 0) {
		/* sort by zdepth */
		qsort(cache, gp_cache_used, sizeof(tGPencilSort), compare_gpencil_zdepth);
		/* inverse loop to draw from back to front */
		for (int i = gp_cache_used; i > 0; --i) {
		Base *base = cache[i - 1].base;
		draw_gpencil_object_strokes(C, scene, depsgraph,v3d, ar, base);
		}
		}
		/* free memory */
		if (cache) {
		MEM_freeN(cache);
		}
		}

	/**	/**
	* Shared by #ED_view3d_draw_offscreen and #view3d_main_region_draw_objects	* Shared by #ED_view3d_draw_offscreen and #view3d_main_region_draw_objects
	*	*
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	bool do_composite_xray = false;	bool do_composite_xray = false;
	bool xrayclear = true;	bool xrayclear = true;

		int gp_cache_used = 0;
		int gp_cache_size = 0;
		tGPencilSort *gp_cache = NULL;

	if (!draw_offscreen) {	if (!draw_offscreen) {
	ED_region_draw_cb_draw(C, ar, REGION_DRAW_PRE_VIEW);	ED_region_draw_cb_draw(C, ar, REGION_DRAW_PRE_VIEW);
	}	}
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	}	}

	draw_object(eval_ctx, scene, view_layer, ar, v3d, base, 0);	draw_object(eval_ctx, scene, view_layer, ar, v3d, base, 0);

		/* draw grease pencil */
		if (base->object->type == OB_GPENCIL) {
		/* allocate memory for saving gp objects */
		gp_cache = ED_gpencil_allocate_cache(gp_cache, &gp_cache_size, gp_cache_used);
		/* add for drawing later */
		ED_gpencil_add_to_cache(gp_cache, rv3d, base, &gp_cache_used);
		}
	}	}
	}	}
		/* draw pending gpencil strokes */
		gpencil_draw_objects(C, scene, depsgraph, v3d, ar, gp_cache, gp_cache_used);
	}	}
	else {	else {
	unsigned int lay_used = 0;	unsigned int lay_used = 0;
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	draw_dupli_objects(eval_ctx, scene, view_layer, ar, v3d, base);	draw_dupli_objects(eval_ctx, scene, view_layer, ar, v3d, base);
	}	}
	if ((base->flag & BASE_SELECTED) == 0) {	if ((base->flag & BASE_SELECTED) == 0) {
	if (base->object != obedit)	if (base->object != obedit) {
	draw_object(eval_ctx, scene, view_layer, ar, v3d, base, 0);	draw_object(eval_ctx, scene, view_layer, ar, v3d, base, 0);

		/* draw grease pencil */
		if (base->object->type == OB_GPENCIL) {
		/* allocate memory for saving gp objects */
		gp_cache = ED_gpencil_allocate_cache(gp_cache, &gp_cache_size, gp_cache_used);
		/* add for drawing later */
		ED_gpencil_add_to_cache(gp_cache, rv3d, base, &gp_cache_used);
		}
		}
	}	}
	}	}
	}	}
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	if ((base->flag & BASE_VISIBLED) != 0) {	if ((base->flag & BASE_VISIBLED) != 0) {
	if (base->object == obedit \|\| (base->flag & BASE_SELECTED)) {	if (base->object == obedit \|\| (base->flag & BASE_SELECTED)) {
	draw_object(eval_ctx, scene, view_layer, ar, v3d, base, 0);	draw_object(eval_ctx, scene, view_layer, ar, v3d, base, 0);

		/* draw grease pencil */
		if (base->object->type == OB_GPENCIL) {
		/* allocate memory for saving gp objects */
		gp_cache = ED_gpencil_allocate_cache(gp_cache, &gp_cache_size, gp_cache_used);
		/* add for drawing later */
		ED_gpencil_add_to_cache(gp_cache, rv3d, base, &gp_cache_used);
		}
	}	}
	}	}
	}	}
		/* draw pending gpencil strokes */
		gpencil_draw_objects(C, scene, depsgraph, v3d, ar, gp_cache, gp_cache_used);
	}	}

	/* perspective floor goes last to use scene depth and avoid writing to depth buffer */	/* perspective floor goes last to use scene depth and avoid writing to depth buffer */
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	if (v3d->flag2 & V3D_SHOW_GPENCIL) {	if (v3d->flag2 & V3D_SHOW_GPENCIL) {
	/* draw grease-pencil stuff - needed to get paint-buffer shown too (since it's 2D) */	/* draw grease-pencil stuff - needed to get paint-buffer shown too (since it's 2D) */
	ED_gpencil_draw_view3d(wm, scene, view_layer, depsgraph, v3d, ar, false);	ED_gpencil_draw_view3d(wm, scene, view_layer, depsgraph, v3d, ar, false);
		Object *obact = CTX_data_active_object(C);
		if (obact && obact->type == OB_GPENCIL) {
		ED_gpencil_draw_view3d_object(wm, scene, depsgraph, obact, v3d, ar, false);
		}
	}	}

	if ((v3d->flag2 & V3D_RENDER_OVERRIDE) == 0) {	if ((v3d->flag2 & V3D_RENDER_OVERRIDE) == 0) {
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