Clément Foucault
62ea911e1a
- code_generate_fragment : Making sure that shaders uses the new uniforms. - code_generate_vertex_new : create require attribute based on their names and not their id (see draw_cache_impl_mesh.c). - add support for ramp textures.
348 lines
12 KiB
C++
348 lines
12 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2005 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Brecht Van Lommel.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file GPU_material.h
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* \ingroup gpu
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*/
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#ifndef __GPU_MATERIAL_H__
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#define __GPU_MATERIAL_H__
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#include "DNA_customdata_types.h" /* for CustomDataType */
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#include "DNA_listBase.h"
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#include "BLI_sys_types.h" /* for bool */
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct Image;
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struct ImageUser;
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struct Material;
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struct Object;
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struct Scene;
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struct SceneRenderLayer;
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struct GPUVertexAttribs;
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struct GPUNode;
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struct GPUNodeLink;
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struct GPUNodeStack;
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struct GPUMaterial;
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struct GPUTexture;
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struct GPULamp;
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struct PreviewImage;
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struct World;
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struct bNodeTree;
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typedef struct GPUNode GPUNode;
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typedef struct GPUNodeLink GPUNodeLink;
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typedef struct GPUMaterial GPUMaterial;
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typedef struct GPUParticleInfo GPUParticleInfo;
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/* Functions to create GPU Materials nodes */
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typedef enum GPUType {
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/* The value indicates the number of elements in each type */
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GPU_NONE = 0,
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GPU_FLOAT = 1,
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GPU_VEC2 = 2,
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GPU_VEC3 = 3,
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GPU_VEC4 = 4,
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GPU_MAT3 = 9,
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GPU_MAT4 = 16,
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GPU_TEX2D = 1002,
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GPU_SHADOW2D = 1003,
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GPU_TEXCUBE = 1004,
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GPU_ATTRIB = 3001
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} GPUType;
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typedef enum GPUBuiltin {
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GPU_VIEW_MATRIX = (1 << 0),
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GPU_OBJECT_MATRIX = (1 << 1),
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GPU_INVERSE_VIEW_MATRIX = (1 << 2),
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GPU_INVERSE_OBJECT_MATRIX = (1 << 3),
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GPU_VIEW_POSITION = (1 << 4),
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GPU_VIEW_NORMAL = (1 << 5),
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GPU_OBCOLOR = (1 << 6),
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GPU_AUTO_BUMPSCALE = (1 << 7),
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GPU_CAMERA_TEXCO_FACTORS = (1 << 8),
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GPU_PARTICLE_SCALAR_PROPS = (1 << 9),
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GPU_PARTICLE_LOCATION = (1 << 10),
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GPU_PARTICLE_VELOCITY = (1 << 11),
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GPU_PARTICLE_ANG_VELOCITY = (1 << 12),
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GPU_LOC_TO_VIEW_MATRIX = (1 << 13),
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GPU_INVERSE_LOC_TO_VIEW_MATRIX = (1 << 14),
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GPU_OBJECT_INFO = (1 << 15)
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} GPUBuiltin;
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typedef enum GPUOpenGLBuiltin {
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GPU_MATCAP_NORMAL = 1,
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GPU_COLOR = 2,
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} GPUOpenGLBuiltin;
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typedef enum GPUMatType {
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GPU_MATERIAL_TYPE_MESH = 1,
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GPU_MATERIAL_TYPE_WORLD = 2,
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} GPUMatType;
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typedef enum GPUBlendMode {
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GPU_BLEND_SOLID = 0,
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GPU_BLEND_ADD = 1,
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GPU_BLEND_ALPHA = 2,
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GPU_BLEND_CLIP = 4,
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GPU_BLEND_ALPHA_SORT = 8,
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GPU_BLEND_ALPHA_TO_COVERAGE = 16
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} GPUBlendMode;
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typedef struct GPUNodeStack {
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GPUType type;
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const char *name;
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float vec[4];
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struct GPUNodeLink *link;
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bool hasinput;
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bool hasoutput;
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short sockettype;
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} GPUNodeStack;
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#define GPU_DYNAMIC_GROUP_FROM_TYPE(f) ((f) & 0xFFFF0000)
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#define GPU_DYNAMIC_GROUP_MISC 0x00010000
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#define GPU_DYNAMIC_GROUP_LAMP 0x00020000
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#define GPU_DYNAMIC_GROUP_OBJECT 0x00030000
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#define GPU_DYNAMIC_GROUP_SAMPLER 0x00040000
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#define GPU_DYNAMIC_GROUP_MIST 0x00050000
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#define GPU_DYNAMIC_GROUP_WORLD 0x00060000
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#define GPU_DYNAMIC_GROUP_MAT 0x00070000
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typedef enum GPUDynamicType {
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GPU_DYNAMIC_NONE = 0,
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GPU_DYNAMIC_OBJECT_VIEWMAT = 1 | GPU_DYNAMIC_GROUP_OBJECT,
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GPU_DYNAMIC_OBJECT_MAT = 2 | GPU_DYNAMIC_GROUP_OBJECT,
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GPU_DYNAMIC_OBJECT_VIEWIMAT = 3 | GPU_DYNAMIC_GROUP_OBJECT,
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GPU_DYNAMIC_OBJECT_IMAT = 4 | GPU_DYNAMIC_GROUP_OBJECT,
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GPU_DYNAMIC_OBJECT_COLOR = 5 | GPU_DYNAMIC_GROUP_OBJECT,
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GPU_DYNAMIC_OBJECT_AUTOBUMPSCALE = 6 | GPU_DYNAMIC_GROUP_OBJECT,
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GPU_DYNAMIC_OBJECT_LOCTOVIEWMAT = 7 | GPU_DYNAMIC_GROUP_OBJECT,
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GPU_DYNAMIC_OBJECT_LOCTOVIEWIMAT = 8 | GPU_DYNAMIC_GROUP_OBJECT,
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GPU_DYNAMIC_LAMP_DYNVEC = 1 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_DYNCO = 2 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_DYNIMAT = 3 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_DYNPERSMAT = 4 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_DYNENERGY = 5 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_DYNCOL = 6 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_DISTANCE = 7 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_ATT1 = 8 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_ATT2 = 9 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_SPOTSIZE = 10 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_SPOTBLEND = 11 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_SPOTSCALE = 12 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_COEFFCONST = 13 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_COEFFLIN = 14 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_LAMP_COEFFQUAD = 15 | GPU_DYNAMIC_GROUP_LAMP,
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GPU_DYNAMIC_SAMPLER_2DBUFFER = 1 | GPU_DYNAMIC_GROUP_SAMPLER,
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GPU_DYNAMIC_SAMPLER_2DIMAGE = 2 | GPU_DYNAMIC_GROUP_SAMPLER,
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GPU_DYNAMIC_SAMPLER_2DSHADOW = 3 | GPU_DYNAMIC_GROUP_SAMPLER,
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GPU_DYNAMIC_MIST_ENABLE = 1 | GPU_DYNAMIC_GROUP_MIST,
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GPU_DYNAMIC_MIST_START = 2 | GPU_DYNAMIC_GROUP_MIST,
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GPU_DYNAMIC_MIST_DISTANCE = 3 | GPU_DYNAMIC_GROUP_MIST,
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GPU_DYNAMIC_MIST_INTENSITY = 4 | GPU_DYNAMIC_GROUP_MIST,
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GPU_DYNAMIC_MIST_TYPE = 5 | GPU_DYNAMIC_GROUP_MIST,
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GPU_DYNAMIC_MIST_COLOR = 6 | GPU_DYNAMIC_GROUP_MIST,
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GPU_DYNAMIC_HORIZON_COLOR = 1 | GPU_DYNAMIC_GROUP_WORLD,
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GPU_DYNAMIC_AMBIENT_COLOR = 2 | GPU_DYNAMIC_GROUP_WORLD,
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GPU_DYNAMIC_ZENITH_COLOR = 3 | GPU_DYNAMIC_GROUP_WORLD,
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GPU_DYNAMIC_MAT_DIFFRGB = 1 | GPU_DYNAMIC_GROUP_MAT,
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GPU_DYNAMIC_MAT_REF = 2 | GPU_DYNAMIC_GROUP_MAT,
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GPU_DYNAMIC_MAT_SPECRGB = 3 | GPU_DYNAMIC_GROUP_MAT,
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GPU_DYNAMIC_MAT_SPEC = 4 | GPU_DYNAMIC_GROUP_MAT,
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GPU_DYNAMIC_MAT_HARD = 5 | GPU_DYNAMIC_GROUP_MAT,
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GPU_DYNAMIC_MAT_EMIT = 6 | GPU_DYNAMIC_GROUP_MAT,
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GPU_DYNAMIC_MAT_AMB = 7 | GPU_DYNAMIC_GROUP_MAT,
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GPU_DYNAMIC_MAT_ALPHA = 8 | GPU_DYNAMIC_GROUP_MAT,
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GPU_DYNAMIC_MAT_MIR = 9 | GPU_DYNAMIC_GROUP_MAT
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} GPUDynamicType;
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GPUNodeLink *GPU_attribute(CustomDataType type, const char *name);
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GPUNodeLink *GPU_uniform(float *num);
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GPUNodeLink *GPU_dynamic_uniform(float *num, GPUDynamicType dynamictype, void *data);
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GPUNodeLink *GPU_image(struct Image *ima, struct ImageUser *iuser, bool is_data);
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GPUNodeLink *GPU_cube_map(struct Image *ima, struct ImageUser *iuser, bool is_data);
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GPUNodeLink *GPU_image_preview(struct PreviewImage *prv);
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GPUNodeLink *GPU_texture(int size, float *pixels);
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GPUNodeLink *GPU_dynamic_texture(struct GPUTexture *tex, GPUDynamicType dynamictype, void *data);
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GPUNodeLink *GPU_builtin(GPUBuiltin builtin);
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GPUNodeLink *GPU_opengl_builtin(GPUOpenGLBuiltin builtin);
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void GPU_node_link_set_type(GPUNodeLink *link, GPUType type);
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bool GPU_link(GPUMaterial *mat, const char *name, ...);
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bool GPU_stack_link(GPUMaterial *mat, const char *name, GPUNodeStack *in, GPUNodeStack *out, ...);
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void GPU_material_output_link(GPUMaterial *material, GPUNodeLink *link);
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void GPU_material_enable_alpha(GPUMaterial *material);
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GPUBuiltin GPU_get_material_builtins(GPUMaterial *material);
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GPUBlendMode GPU_material_alpha_blend(GPUMaterial *material, float obcol[4]);
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/* High level functions to create and use GPU materials */
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GPUMaterial *GPU_material_world(struct Scene *scene, struct World *wo);
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GPUMaterial *GPU_material_from_nodetree(
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struct Scene *scene, struct bNodeTree *ntree, struct ListBase *gpumaterials, void *engine_type, int options,
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const char *vert_code, const char *geom_code, const char *frag_lib, const char *defines);
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GPUMaterial *GPU_material_from_blender(struct Scene *scene, struct Material *ma, bool use_opensubdiv);
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GPUMaterial *GPU_material_matcap(struct Scene *scene, struct Material *ma, bool use_opensubdiv);
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void GPU_material_free(struct ListBase *gpumaterial);
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void GPU_materials_free(void);
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void GPU_material_bind(
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GPUMaterial *material, int oblay, int viewlay, double time, int mipmap,
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float viewmat[4][4], float viewinv[4][4], float cameraborder[4], bool scenelock);
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void GPU_material_bind_uniforms(
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GPUMaterial *material, float obmat[4][4], float viewmat[4][4], float obcol[4],
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float autobumpscale, GPUParticleInfo *pi, float object_info[3]);
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void GPU_material_unbind(GPUMaterial *material);
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bool GPU_material_bound(GPUMaterial *material);
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struct Scene *GPU_material_scene(GPUMaterial *material);
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GPUMatType GPU_Material_get_type(GPUMaterial *material);
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struct GPUPass *GPU_material_get_pass(GPUMaterial *material);
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void GPU_material_vertex_attributes(GPUMaterial *material,
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struct GPUVertexAttribs *attrib);
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bool GPU_material_do_color_management(GPUMaterial *mat);
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bool GPU_material_use_new_shading_nodes(GPUMaterial *mat);
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bool GPU_material_use_world_space_shading(GPUMaterial *mat);
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/* Exported shading */
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typedef struct GPUShadeInput {
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GPUMaterial *gpumat;
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struct Material *mat;
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GPUNodeLink *rgb, *specrgb, *vn, *view, *vcol, *ref;
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GPUNodeLink *alpha, *refl, *spec, *emit, *har, *amb;
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GPUNodeLink *spectra, *mir, *refcol;
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} GPUShadeInput;
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typedef struct GPUShadeResult {
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GPUNodeLink *diff, *spec, *combined, *alpha;
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} GPUShadeResult;
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void GPU_shadeinput_set(GPUMaterial *mat, struct Material *ma, GPUShadeInput *shi);
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void GPU_shaderesult_set(GPUShadeInput *shi, GPUShadeResult *shr);
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/* Export GLSL shader */
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typedef enum GPUDataType {
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GPU_DATA_NONE = 0,
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GPU_DATA_1I = 1, /* 1 integer */
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GPU_DATA_1F = 2,
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GPU_DATA_2F = 3,
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GPU_DATA_3F = 4,
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GPU_DATA_4F = 5,
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GPU_DATA_9F = 6,
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GPU_DATA_16F = 7,
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GPU_DATA_4UB = 8,
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} GPUDataType;
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/* this structure gives information of each uniform found in the shader */
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typedef struct GPUInputUniform {
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struct GPUInputUniform *next, *prev;
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char varname[32]; /* name of uniform in shader */
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GPUDynamicType type; /* type of uniform, data format and calculation derive from it */
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GPUDataType datatype; /* type of uniform data */
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struct Object *lamp; /* when type=GPU_DYNAMIC_LAMP_... or GPU_DYNAMIC_SAMPLER_2DSHADOW */
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struct Image *image; /* when type=GPU_DYNAMIC_SAMPLER_2DIMAGE */
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struct Material *material;/* when type=GPU_DYNAMIC_MAT_... */
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int texnumber; /* when type=GPU_DYNAMIC_SAMPLER, texture number: 0.. */
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unsigned char *texpixels; /* for internally generated texture, pixel data in RGBA format */
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int texsize; /* size in pixel of the texture in texpixels buffer:
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* for 2D textures, this is S and T size (square texture) */
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} GPUInputUniform;
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typedef struct GPUInputAttribute {
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struct GPUInputAttribute *next, *prev;
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char varname[32]; /* name of attribute in shader */
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int type; /* from CustomData.type, data type derives from it */
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GPUDataType datatype; /* type of attribute data */
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const char *name; /* layer name */
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int number; /* generic attribute number */
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} GPUInputAttribute;
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typedef struct GPUShaderExport {
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ListBase uniforms;
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ListBase attributes;
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char *vertex;
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char *fragment;
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} GPUShaderExport;
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GPUShaderExport *GPU_shader_export(struct Scene *scene, struct Material *ma);
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void GPU_free_shader_export(GPUShaderExport *shader);
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/* Lamps */
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GPUNodeLink *GPU_lamp_get_data(
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GPUMaterial *mat, struct GPULamp *lamp,
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GPUNodeLink **r_col, GPUNodeLink **r_lv, GPUNodeLink **r_dist, GPUNodeLink **r_shadow, GPUNodeLink **r_energy);
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/* World */
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void GPU_mist_update_enable(short enable);
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void GPU_mist_update_values(int type, float start, float dist, float inten, float color[3]);
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void GPU_horizon_update_color(float color[3]);
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void GPU_ambient_update_color(float color[3]);
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void GPU_zenith_update_color(float color[3]);
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struct GPUParticleInfo
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{
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float scalprops[4];
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float location[3];
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float velocity[3];
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float angular_velocity[3];
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int random_id;
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};
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#ifdef WITH_OPENSUBDIV
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struct DerivedMesh;
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void GPU_material_update_fvar_offset(GPUMaterial *gpu_material,
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struct DerivedMesh *dm);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /*__GPU_MATERIAL_H__*/
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