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/*
* 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.
*/
/** \file
* \ingroup gpu
*/
#ifndef __GPU_MATERIAL_H__
#define __GPU_MATERIAL_H__
#include "DNA_customdata_types.h" /* for CustomDataType */
#include "DNA_listBase.h"
#include "BLI_sys_types.h" /* for bool */
#ifdef __cplusplus
extern "C" {
#endif
struct GPUMaterial;
struct GPUNode;
struct GPUNodeLink;
struct GPUNodeStack;
struct GPUTexture;
struct GPUUniformBuffer;
struct Image;
struct ImageUser;
struct ListBase;
struct Main;
struct Material;
struct Scene;
struct bNode;
struct bNodeTree;
typedef struct GPUMaterial GPUMaterial;
typedef struct GPUNode GPUNode;
typedef struct GPUNodeLink GPUNodeLink;
/* Functions to create GPU Materials nodes */
typedef enum eGPUType {
/* Keep in sync with GPU_DATATYPE_STR */
/* The value indicates the number of elements in each type */
GPU_NONE = 0,
GPU_FLOAT = 1,
GPU_VEC2 = 2,
GPU_VEC3 = 3,
GPU_VEC4 = 4,
GPU_MAT3 = 9,
GPU_MAT4 = 16,
GPU_MAX_CONSTANT_DATA = GPU_MAT4,
/* Values not in GPU_DATATYPE_STR */
GPU_TEX1D_ARRAY = 1001,
GPU_TEX2D = 1002,
GPU_TEX2D_ARRAY = 1003,
GPU_TEX3D = 1004,
GPU_SHADOW2D = 1005,
GPU_TEXCUBE = 1006,
/* GLSL Struct types */
GPU_CLOSURE = 1007,
/* Opengl Attributes */
GPU_ATTR = 3001,
} eGPUType;
typedef enum eGPUBuiltin {
GPU_VIEW_MATRIX = (1 << 0),
GPU_OBJECT_MATRIX = (1 << 1),
GPU_INVERSE_VIEW_MATRIX = (1 << 2),
GPU_INVERSE_OBJECT_MATRIX = (1 << 3),
GPU_VIEW_POSITION = (1 << 4),
GPU_VIEW_NORMAL = (1 << 5),
GPU_OBJECT_COLOR = (1 << 6),
GPU_AUTO_BUMPSCALE = (1 << 7),
GPU_CAMERA_TEXCO_FACTORS = (1 << 8),
GPU_PARTICLE_SCALAR_PROPS = (1 << 9),
GPU_PARTICLE_LOCATION = (1 << 10),
GPU_PARTICLE_VELOCITY = (1 << 11),
GPU_PARTICLE_ANG_VELOCITY = (1 << 12),
GPU_LOC_TO_VIEW_MATRIX = (1 << 13),
GPU_INVERSE_LOC_TO_VIEW_MATRIX = (1 << 14),
GPU_OBJECT_INFO = (1 << 15),
GPU_VOLUME_DENSITY = (1 << 16),
GPU_VOLUME_FLAME = (1 << 17),
GPU_VOLUME_TEMPERATURE = (1 << 18),
GPU_BARYCENTRIC_TEXCO = (1 << 19),
GPU_BARYCENTRIC_DIST = (1 << 20),
GPU_WORLD_NORMAL = (1 << 21),
} eGPUBuiltin;
typedef enum eGPUMatFlag {
GPU_MATFLAG_DIFFUSE = (1 << 0),
GPU_MATFLAG_GLOSSY = (1 << 1),
GPU_MATFLAG_REFRACT = (1 << 2),
GPU_MATFLAG_SSS = (1 << 3),
} eGPUMatFlag;
typedef enum eGPUBlendMode {
GPU_BLEND_SOLID = 0,
GPU_BLEND_ADD = 1,
GPU_BLEND_ALPHA = 2,
GPU_BLEND_CLIP = 4,
GPU_BLEND_ALPHA_SORT = 8,
GPU_BLEND_ALPHA_TO_COVERAGE = 16,
} eGPUBlendMode;
typedef struct GPUNodeStack {
eGPUType type;
float vec[4];
struct GPUNodeLink *link;
bool hasinput;
bool hasoutput;
short sockettype;
bool end;
} GPUNodeStack;
typedef enum eGPUMaterialStatus {
GPU_MAT_FAILED = 0,
GPU_MAT_QUEUED,
GPU_MAT_SUCCESS,
} eGPUMaterialStatus;
GPUNodeLink *GPU_constant(const float *num);
GPUNodeLink *GPU_uniform(const float *num);
GPUNodeLink *GPU_attribute(GPUMaterial *mat, CustomDataType type, const char *name);
GPUNodeLink *GPU_image(GPUMaterial *mat, struct Image *ima, struct ImageUser *iuser);
GPUNodeLink *GPU_image_tiled(GPUMaterial *mat, struct Image *ima, struct ImageUser *iuser);
GPUNodeLink *GPU_image_tiled_mapping(GPUMaterial *mat, struct Image *ima, struct ImageUser *iuser);
GPUNodeLink *GPU_color_band(GPUMaterial *mat, int size, float *pixels, float *layer);
GPUNodeLink *GPU_builtin(eGPUBuiltin builtin);
bool GPU_link(GPUMaterial *mat, const char *name, ...);
bool GPU_stack_link(GPUMaterial *mat,
struct bNode *node,
const char *name,
GPUNodeStack *in,
GPUNodeStack *out,
...);
GPUNodeLink *GPU_uniformbuffer_link_out(struct GPUMaterial *mat,
struct bNode *node,
struct GPUNodeStack *stack,
const int index);
void GPU_material_output_link(GPUMaterial *material, GPUNodeLink *link);
void GPU_material_sss_profile_create(GPUMaterial *material,
float radii[3],
short *falloff_type,
float *sharpness);
struct GPUUniformBuffer *GPU_material_sss_profile_get(GPUMaterial *material,
int sample_len,
struct GPUTexture **tex_profile);
/* High level functions to create and use GPU materials */
GPUMaterial *GPU_material_from_nodetree_find(struct ListBase *gpumaterials,
const void *engine_type,
int options);
GPUMaterial *GPU_material_from_nodetree(struct Scene *scene,
struct Material *ma,
struct bNodeTree *ntree,
struct ListBase *gpumaterials,
const void *engine_type,
int options,
const char *vert_code,
const char *geom_code,
const char *frag_lib,
const char *defines,
const char *name);
void GPU_material_compile(GPUMaterial *mat);
void GPU_material_free(struct ListBase *gpumaterial);
void GPU_materials_free(struct Main *bmain);
struct Scene *GPU_material_scene(GPUMaterial *material);
struct GPUPass *GPU_material_get_pass(GPUMaterial *material);
struct ListBase *GPU_material_get_inputs(GPUMaterial *material);
struct Material *GPU_material_get_material(GPUMaterial *material);
eGPUMaterialStatus GPU_material_status(GPUMaterial *mat);
struct GPUUniformBuffer *GPU_material_uniform_buffer_get(GPUMaterial *material);
void GPU_material_uniform_buffer_create(GPUMaterial *material, ListBase *inputs);
struct GPUUniformBuffer *GPU_material_create_sss_profile_ubo(void);
bool GPU_material_use_domain_surface(GPUMaterial *mat);
bool GPU_material_use_domain_volume(GPUMaterial *mat);
void GPU_material_flag_set(GPUMaterial *mat, eGPUMatFlag flag);
bool GPU_material_flag_get(GPUMaterial *mat, eGPUMatFlag flag);
void GPU_pass_cache_init(void);
void GPU_pass_cache_garbage_collect(void);
void GPU_pass_cache_free(void);
/* Requested Material Attributes and Textures */
typedef struct GPUMaterialAttribute {
struct GPUMaterialAttribute *next, *prev;
int type; /* CustomDataType */
char name[64]; /* MAX_CUSTOMDATA_LAYER_NAME */
eGPUType gputype;
int id;
int users;
} GPUMaterialAttribute;
typedef struct GPUMaterialTexture {
struct GPUMaterialTexture *next, *prev;
struct Image *ima;
struct ImageUser *iuser;
struct GPUTexture **colorband;
char sampler_name[32]; /* Name of sampler in GLSL. */
char tiled_mapping_name[32]; /* Name of tile mapping sampler in GLSL. */
int users;
} GPUMaterialTexture;
ListBase GPU_material_attributes(GPUMaterial *material);
ListBase GPU_material_textures(GPUMaterial *material);
#ifdef __cplusplus
}
#endif
#endif /*__GPU_MATERIAL_H__*/
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