node_shader_util.h

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/*
 * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2005 Blender Foundation.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef NODE_SHADER_UTIL_H_
#define NODE_SHADER_UTIL_H_

#include <math.h>
#include <float.h>
#include <string.h>

#include "MEM_guardedalloc.h"

#include "DNA_color_types.h"
#include "DNA_customdata_types.h"
#include "DNA_ID.h"
#include "DNA_image_types.h"
#include "DNA_material_types.h"
#include "DNA_node_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_texture_types.h"

#include "BKE_blender.h"
#include "BKE_colortools.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_node.h"
#include "BKE_texture.h"

#include "BKE_library.h"

#include "NOD_shader.h"
#include "node_util.h"

#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_rand.h"
#include "BLI_threads.h"
#include "BLI_utildefines.h"

#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"

#include "RE_pipeline.h"
#include "RE_shader_ext.h"

#include "GPU_material.h"

/* ********* exec data struct, remains internal *********** */

typedef struct ShaderCallData {
    ShadeInput *shi;        /* from render pipe */
    ShadeResult *shr;       /* from render pipe */
} ShaderCallData;

/* output socket defines */
#define GEOM_OUT_GLOB   0
#define GEOM_OUT_LOCAL  1
#define GEOM_OUT_VIEW   2
#define GEOM_OUT_ORCO   3
#define GEOM_OUT_UV     4
#define GEOM_OUT_NORMAL 5
#define GEOM_OUT_VCOL   6
#define GEOM_OUT_VCOL_ALPHA 7
#define GEOM_OUT_FRONTBACK  8


/* input socket defines */
#define MAT_IN_COLOR    0
#define MAT_IN_SPEC     1
#define MAT_IN_REFL     2
#define MAT_IN_NORMAL   3
#define MAT_IN_MIR      4
#define MAT_IN_AMB      5
#define MAT_IN_EMIT 6
#define MAT_IN_SPECTRA  7
#define MAT_IN_RAY_MIRROR   8
#define MAT_IN_ALPHA    9
#define MAT_IN_TRANSLUCENCY 10
#define NUM_MAT_IN      11  /* for array size */

/* output socket defines */
#define MAT_OUT_COLOR       0
#define MAT_OUT_ALPHA       1
#define MAT_OUT_NORMAL  2
#define MAT_OUT_DIFFUSE 3
#define MAT_OUT_SPEC        4
#define MAT_OUT_AO      5


extern void node_ID_title_cb(void *node_v, void *unused_v);
void nodestack_get_vec(float *in, short type_in, bNodeStack *ns);

void node_gpu_stack_from_data(struct GPUNodeStack *gs, int type, struct bNodeStack *ns);
void node_data_from_gpu_stack(struct bNodeStack *ns, struct GPUNodeStack *gs);
void node_shader_gpu_tex_mapping(struct GPUMaterial *mat, struct bNode *node, struct GPUNodeStack *in, struct GPUNodeStack *out);

void ntreeExecGPUNodes(struct bNodeTreeExec *exec, struct GPUMaterial *mat, int do_outputs);

void node_shader_pass_on(void *data, int thread, struct bNode *node, void *nodedata, struct bNodeStack **in, struct bNodeStack **out);
int gpu_shader_pass_on(struct GPUMaterial *mat, struct bNode *node, void *nodedata, struct GPUNodeStack *in, struct GPUNodeStack *out);

#endif