Differential D15184 Diff 52478 source/blender/blenkernel/BKE_subdiv_modifier.h

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source/blender/blenkernel/BKE_subdiv_modifier.h

	/* SPDX-License-Identifier: GPL-2.0-or-later			/* SPDX-License-Identifier: GPL-2.0-or-later
	* Copyright 2021 Blender Foundation. All rights reserved. */			* Copyright 2021 Blender Foundation. All rights reserved. */

	/** \file			/** \file
	* \ingroup bke			* \ingroup bke
	*/			*/

	#pragma once			#pragma once

				#include "BKE_subdiv.h"

	#include "BLI_sys_types.h"			#include "BLI_sys_types.h"

	#ifdef __cplusplus			#ifdef __cplusplus
	extern "C" {			extern "C" {
	#endif			#endif

	/* Hardcoded for until GPU shaders are automatically generated, then we will have a more			/* Hardcoded for until GPU shaders are automatically generated, then we will have a more
	* programmatic way of detecting this. */			* programmatic way of detecting this. */
	#define MAX_GPU_SUBDIV_SSBOS 12			#define MAX_GPU_SUBDIV_SSBOS 12

	struct Mesh;			struct Mesh;
	struct Object;			struct Object;
	struct Scene;			struct Scene;
	struct Subdiv;			struct Subdiv;
	struct SubdivSettings;			struct SubdivSettings;
	struct SubsurfModifierData;			struct SubsurfModifierData;

	void BKE_subsurf_modifier_subdiv_settings_init(struct SubdivSettings *settings,			/* Runtime subsurf modifier data, cached in modifier on evaluated meshes. */
	const struct SubsurfModifierData *smd,			typedef struct SubsurfRuntimeData {
	bool use_render_params);			/* Cache settings, before descriptor or mesh wrapper is created. */
				SubdivSettings settings;

				/* Cached subdivision surface descriptor, with topology and settings. */
				struct Subdiv *subdiv;
				bool set_by_draw_code;

				/* Cache mesh wrapper data, to be used for GPU subdiv or lazy evaluation on CPU. */
				bool has_gpu_subdiv;
				int resolution;
				bool use_optimal_display;
				bool calc_loop_normals;
				bool use_loop_normals;

				/* Cached from the draw code for stats display. */
				int stats_totvert;
				int stats_totedge;
				int stats_totpoly;
				int stats_totloop;
				} SubsurfRuntimeData;

				bool BKE_subsurf_modifier_runtime_init(struct SubsurfModifierData *smd, bool use_render_params);

	bool BKE_subsurf_modifier_use_custom_loop_normals(const struct SubsurfModifierData *smd,			bool BKE_subsurf_modifier_use_custom_loop_normals(const struct SubsurfModifierData *smd,
	const struct Mesh *mesh);			const struct Mesh *mesh);

	/**			/**
	* Return true if GPU subdivision evaluation is disabled by force due to incompatible mesh or			* Return true if GPU subdivision evaluation is disabled by force due to incompatible mesh or
	* modifier settings. This will only return true if GPU subdivision is enabled in the preferences			* modifier settings. This will only return true if GPU subdivision is enabled in the preferences
	* and supported by the GPU. It is mainly useful for showing UI messages.			* and supported by the GPU. It is mainly useful for showing UI messages.
	Show All 14 Lines

	extern void (BKE_subsurf_modifier_free_gpu_cache_cb)(struct Subdiv subdiv);			extern void (BKE_subsurf_modifier_free_gpu_cache_cb)(struct Subdiv subdiv);

	/**			/**
	* Main goal of this function is to give usable subdivision surface descriptor			* Main goal of this function is to give usable subdivision surface descriptor
	* which matches settings and topology.			* which matches settings and topology.
	*/			*/
	struct Subdiv *BKE_subsurf_modifier_subdiv_descriptor_ensure(			struct Subdiv *BKE_subsurf_modifier_subdiv_descriptor_ensure(
	const struct SubsurfModifierData *smd,			struct SubsurfRuntimeData runtime_data, const struct Mesh mesh, bool for_draw_code);
	const struct SubdivSettings *subdiv_settings,
	const struct Mesh *mesh,
	bool for_draw_code);

	struct SubsurfRuntimeData BKE_subsurf_modifier_ensure_runtime(struct SubsurfModifierData smd);

	/**			/**
	* Return the #ModifierMode required for the evaluation of the subsurf modifier,			* Return the #ModifierMode required for the evaluation of the subsurf modifier,
	* which should be used to check if the modifier is enabled.			* which should be used to check if the modifier is enabled.
	*/			*/
	int BKE_subsurf_modifier_eval_required_mode(bool is_final_render, bool is_edit_mode);			int BKE_subsurf_modifier_eval_required_mode(bool is_final_render, bool is_edit_mode);

	#ifdef __cplusplus			#ifdef __cplusplus
	}			}
	#endif			#endif