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Diffstat (limited to 'source/blender/draw/engines/workbench/workbench_private.h')
| -rw-r--r-- | source/blender/draw/engines/workbench/workbench_private.h | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/source/blender/draw/engines/workbench/workbench_private.h b/source/blender/draw/engines/workbench/workbench_private.h new file mode 100644 index 00000000000..5eb7631104d --- /dev/null +++ b/source/blender/draw/engines/workbench/workbench_private.h @@ -0,0 +1,299 @@ +/* + * Copyright 2016, Blender Foundation. + * + * 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. + * + * Contributor(s): Blender Institute + * + */ + +/** \file workbench_private.h + * \ingroup draw_engine + */ + +#ifndef __WORKBENCH_PRIVATE_H__ +#define __WORKBENCH_PRIVATE_H__ + + +#include "BKE_studiolight.h" + +#include "DNA_image_types.h" +#include "DNA_view3d_types.h" +#include "DNA_world_types.h" +#include "DNA_userdef_types.h" + +#include "DRW_render.h" + + +#define WORKBENCH_ENGINE "BLENDER_WORKBENCH" +#define M_GOLDEN_RATION_CONJUGATE 0.618033988749895 +#define MAX_SHADERS (1 << 10) + +#define TEXTURE_DRAWING_ENABLED(wpd) (wpd->color_type & V3D_SHADING_TEXTURE_COLOR) +#define FLAT_ENABLED(wpd) (wpd->shading.light == V3D_LIGHTING_FLAT) +#define STUDIOLIGHT_ENABLED(wpd) (wpd->shading.light == V3D_LIGHTING_STUDIO) +#define MATCAP_ENABLED(wpd) (wpd->shading.light == V3D_LIGHTING_MATCAP) +#define STUDIOLIGHT_ORIENTATION_WORLD_ENABLED(wpd) (STUDIOLIGHT_ENABLED(wpd) && (wpd->studio_light->flag & STUDIOLIGHT_ORIENTATION_WORLD)) +#define STUDIOLIGHT_ORIENTATION_CAMERA_ENABLED(wpd) (STUDIOLIGHT_ENABLED(wpd) && (wpd->studio_light->flag & STUDIOLIGHT_ORIENTATION_CAMERA)) +#define STUDIOLIGHT_ORIENTATION_VIEWNORMAL_ENABLED(wpd) (MATCAP_ENABLED(wpd) && (wpd->studio_light->flag & STUDIOLIGHT_ORIENTATION_VIEWNORMAL)) +#define CAVITY_ENABLED(wpd) (wpd->shading.flag & V3D_SHADING_CAVITY) +#define SHADOW_ENABLED(wpd) (wpd->shading.flag & V3D_SHADING_SHADOW) + +#define IS_NAVIGATING(wpd) (DRW_context_state_get()->rv3d->rflag & RV3D_NAVIGATING) +#define FXAA_ENABLED(wpd) ((!DRW_state_is_opengl_render()) && (IN_RANGE(wpd->user_preferences->gpu_viewport_quality, GPU_VIEWPORT_QUALITY_FXAA, GPU_VIEWPORT_QUALITY_TAA8) || ((wpd->user_preferences->gpu_viewport_quality >= GPU_VIEWPORT_QUALITY_TAA8) && IS_NAVIGATING(wpd)))) +#define TAA_ENABLED(wpd) (wpd->user_preferences->gpu_viewport_quality >= GPU_VIEWPORT_QUALITY_TAA8 && !IS_NAVIGATING(wpd)) +#define SPECULAR_HIGHLIGHT_ENABLED(wpd) ((wpd->shading.flag & V3D_SHADING_SPECULAR_HIGHLIGHT) && (!STUDIOLIGHT_ORIENTATION_VIEWNORMAL_ENABLED(wpd))) +#define OBJECT_ID_PASS_ENABLED(wpd) (wpd->shading.flag & V3D_SHADING_OBJECT_OUTLINE) +#define NORMAL_VIEWPORT_COMP_PASS_ENABLED(wpd) (MATCAP_ENABLED(wpd) || STUDIOLIGHT_ENABLED(wpd) || SHADOW_ENABLED(wpd) || SPECULAR_HIGHLIGHT_ENABLED(wpd)) +#define NORMAL_VIEWPORT_PASS_ENABLED(wpd) (NORMAL_VIEWPORT_COMP_PASS_ENABLED(wpd) || CAVITY_ENABLED(wpd)) +#define NORMAL_ENCODING_ENABLED() (true) +#define TEXTURE_DRAWING_ENABLED(wpd) (wpd->color_type & V3D_SHADING_TEXTURE_COLOR) + + +typedef struct WORKBENCH_FramebufferList { + /* Deferred render buffers */ + struct GPUFrameBuffer *prepass_fb; + struct GPUFrameBuffer *cavity_fb; + struct GPUFrameBuffer *composite_fb; + + struct GPUFrameBuffer *effect_fb; + struct GPUFrameBuffer *effect_taa_fb; + struct GPUFrameBuffer *depth_buffer_fb; + + /* Forward render buffers */ + struct GPUFrameBuffer *object_outline_fb; + struct GPUFrameBuffer *transparent_accum_fb; + struct GPUFrameBuffer *transparent_revealage_fb; +} WORKBENCH_FramebufferList; + +typedef struct WORKBENCH_TextureList { + struct GPUTexture *history_buffer_tx; + struct GPUTexture *depth_buffer_tx; +} WORKBENCH_TextureList; + +typedef struct WORKBENCH_StorageList { + struct WORKBENCH_PrivateData *g_data; + struct WORKBENCH_EffectInfo *effects; +} WORKBENCH_StorageList; + +typedef struct WORKBENCH_PassList { + /* deferred rendering */ + struct DRWPass *prepass_pass; + struct DRWPass *prepass_hair_pass; + struct DRWPass *cavity_pass; + struct DRWPass *shadow_depth_pass_pass; + struct DRWPass *shadow_depth_pass_mani_pass; + struct DRWPass *shadow_depth_fail_pass; + struct DRWPass *shadow_depth_fail_mani_pass; + struct DRWPass *shadow_depth_fail_caps_pass; + struct DRWPass *shadow_depth_fail_caps_mani_pass; + struct DRWPass *composite_pass; + struct DRWPass *composite_shadow_pass; + struct DRWPass *effect_aa_pass; + + /* forward rendering */ + struct DRWPass *transparent_accum_pass; + struct DRWPass *object_outline_pass; + struct DRWPass *depth_pass; + struct DRWPass *checker_depth_pass; +} WORKBENCH_PassList; + +typedef struct WORKBENCH_Data { + void *engine_type; + WORKBENCH_FramebufferList *fbl; + WORKBENCH_TextureList *txl; + WORKBENCH_PassList *psl; + WORKBENCH_StorageList *stl; +} WORKBENCH_Data; + +typedef struct WORKBENCH_UBO_Light { + float light_direction_vs[4]; + float specular_color[3]; + float energy; +} WORKBENCH_UBO_Light; + +typedef struct WORKBENCH_UBO_World { + float spherical_harmonics_coefs[STUDIOLIGHT_SPHERICAL_HARMONICS_MAX_COMPONENTS][4]; + float background_color_low[4]; + float background_color_high[4]; + float object_outline_color[4]; + float light_direction_vs[4]; + WORKBENCH_UBO_Light lights[3]; + int num_lights; + int matcap_orientation; + float background_alpha; + int pad[1]; +} WORKBENCH_UBO_World; +BLI_STATIC_ASSERT_ALIGN(WORKBENCH_UBO_World, 16) + +typedef struct WORKBENCH_UBO_Material { + float diffuse_color[4]; + float specular_color[4]; + float roughness; + float pad[3]; +} WORKBENCH_UBO_Material; +BLI_STATIC_ASSERT_ALIGN(WORKBENCH_UBO_Material, 16) + +typedef struct WORKBENCH_PrivateData { + struct GHash *material_hash; + struct GPUShader *prepass_solid_sh; + struct GPUShader *prepass_solid_hair_sh; + struct GPUShader *prepass_texture_sh; + struct GPUShader *prepass_texture_hair_sh; + struct GPUShader *composite_sh; + struct GPUShader *transparent_accum_sh; + struct GPUShader *transparent_accum_hair_sh; + struct GPUShader *transparent_accum_texture_sh; + struct GPUShader *transparent_accum_texture_hair_sh; + View3DShading shading; + StudioLight *studio_light; + UserDef *user_preferences; + int color_type; + struct GPUUniformBuffer *world_ubo; + struct DRWShadingGroup *shadow_shgrp; + struct DRWShadingGroup *depth_shgrp; + WORKBENCH_UBO_World world_data; + float shadow_multiplier; + float cached_shadow_direction[3]; + float shadow_mat[4][4]; + float shadow_inv[4][4]; + float shadow_far_plane[4]; /* Far plane of the view frustum. */ + float shadow_near_corners[4][3]; /* Near plane corners in shadow space. */ + float shadow_near_min[3]; /* min and max of shadow_near_corners. allow fast test */ + float shadow_near_max[3]; + float shadow_near_sides[2][4]; /* This is a parallelogram, so only 2 normal and distance to the edges. */ + bool shadow_changed; + + /* Ssao */ + float winmat[4][4]; + float viewvecs[3][4]; + float ssao_params[4]; + float ssao_settings[4]; +} WORKBENCH_PrivateData; /* Transient data */ + +typedef struct WORKBENCH_EffectInfo { + float override_persmat[4][4]; + float override_persinv[4][4]; + float override_winmat[4][4]; + float override_wininv[4][4]; + float last_mat[4][4]; + float curr_mat[4][4]; + int jitter_index; + float taa_mix_factor; + bool view_updated; +} WORKBENCH_EffectInfo; + +typedef struct WORKBENCH_MaterialData { + /* Solid color */ + WORKBENCH_UBO_Material material_data; + struct GPUUniformBuffer *material_ubo; + + int object_id; + int color_type; + Image *ima; + + /* Linked shgroup for drawing */ + DRWShadingGroup *shgrp; + /* forward rendering */ + DRWShadingGroup *shgrp_object_outline; +} WORKBENCH_MaterialData; + +typedef struct WORKBENCH_ObjectData { + struct ObjectEngineData *next, *prev; + struct DrawEngineType *engine_type; + /* Only nested data, NOT the engine data itself. */ + ObjectEngineDataFreeCb free; + /* Accumulated recalc flags, which corresponds to ID->recalc flags. */ + int recalc; + /* Shadow direction in local object space. */ + float shadow_dir[3], shadow_depth; + float shadow_min[3], shadow_max[3]; /* Min, max in shadow space */ + BoundBox shadow_bbox; + bool shadow_bbox_dirty; + + int object_id; +} WORKBENCH_ObjectData; + +/* workbench_engine.c */ +void workbench_solid_materials_init(WORKBENCH_Data *vedata); +void workbench_solid_materials_cache_init(WORKBENCH_Data *vedata); +void workbench_solid_materials_cache_populate(WORKBENCH_Data *vedata, Object *ob); +void workbench_solid_materials_cache_finish(WORKBENCH_Data *vedata); +void workbench_solid_materials_draw_scene(WORKBENCH_Data *vedata); +void workbench_solid_materials_free(void); + +/* workbench_deferred.c */ +void workbench_deferred_engine_init(WORKBENCH_Data *vedata); +void workbench_deferred_engine_free(void); +void workbench_deferred_draw_background(WORKBENCH_Data *vedata); +void workbench_deferred_draw_scene(WORKBENCH_Data *vedata); +void workbench_deferred_cache_init(WORKBENCH_Data *vedata); +void workbench_deferred_solid_cache_populate(WORKBENCH_Data *vedata, Object *ob); +void workbench_deferred_cache_finish(WORKBENCH_Data *vedata); + +/* workbench_forward.c */ +void workbench_forward_engine_init(WORKBENCH_Data *vedata); +void workbench_forward_engine_free(void); +void workbench_forward_draw_background(WORKBENCH_Data *vedata); +void workbench_forward_draw_scene(WORKBENCH_Data *vedata); +void workbench_forward_cache_init(WORKBENCH_Data *vedata); +void workbench_forward_cache_populate(WORKBENCH_Data *vedata, Object *ob); +void workbench_forward_cache_finish(WORKBENCH_Data *vedata); + +/* workbench_effect_aa.c */ +void workbench_aa_create_pass(WORKBENCH_Data *vedata, GPUTexture **tx); +void workbench_aa_draw_pass(WORKBENCH_Data *vedata, GPUTexture *tx); + +/* workbench_effect_fxaa.c */ +void workbench_fxaa_engine_init(void); +void workbench_fxaa_engine_free(void); +DRWPass *workbench_fxaa_create_pass(GPUTexture **color_buffer_tx); + +/* workbench_effect_taa.c */ +void workbench_taa_engine_init(WORKBENCH_Data *vedata); +void workbench_taa_engine_free(void); +DRWPass *workbench_taa_create_pass(WORKBENCH_Data *vedata, GPUTexture **color_buffer_tx); +void workbench_taa_draw_pass(WORKBENCH_EffectInfo *effect_info, /*WORKBENCH_PrivateData *wpd, , GPUFrameBuffer *fb, GPUTexture *tx, */DRWPass *effect_aa_pass); +void workbench_taa_draw_scene_start(WORKBENCH_Data *vedata); +void workbench_taa_draw_scene_end(WORKBENCH_Data *vedata); +void workbench_taa_view_updated(WORKBENCH_Data *vedata); +int workbench_taa_calculate_num_iterations(WORKBENCH_Data *vedata); + +/* workbench_materials.c */ +int workbench_material_determine_color_type(WORKBENCH_PrivateData *wpd, Image *ima); +char *workbench_material_build_defines(WORKBENCH_PrivateData *wpd, bool use_textures, bool is_hair); +void workbench_material_update_data(WORKBENCH_PrivateData *wpd, Object *ob, Material *mat, WORKBENCH_MaterialData *data); +uint workbench_material_get_hash(WORKBENCH_MaterialData *material_template); +int workbench_material_get_shader_index(WORKBENCH_PrivateData *wpd, bool use_textures, bool is_hair); +void workbench_material_set_normal_world_matrix( + DRWShadingGroup *grp, WORKBENCH_PrivateData *wpd, float persistent_matrix[3][3]); + +/* workbench_studiolight.c */ +void studiolight_update_world(StudioLight *sl, WORKBENCH_UBO_World *wd); +void studiolight_update_light(WORKBENCH_PrivateData *wpd, const float light_direction[3]); +bool studiolight_object_cast_visible_shadow(WORKBENCH_PrivateData *wpd, Object *ob, WORKBENCH_ObjectData *oed); +float studiolight_object_shadow_distance(WORKBENCH_PrivateData *wpd, Object *ob, WORKBENCH_ObjectData *oed); +bool studiolight_camera_in_object_shadow(WORKBENCH_PrivateData *wpd, Object *ob, WORKBENCH_ObjectData *oed); + +/* workbench_data.c */ +void workbench_effect_info_init(WORKBENCH_EffectInfo *effect_info); +void workbench_private_data_init(WORKBENCH_PrivateData *wpd); +void workbench_private_data_free(WORKBENCH_PrivateData *wpd); +void workbench_private_data_get_light_direction(WORKBENCH_PrivateData *wpd, float light_direction[3]); + +extern DrawEngineType draw_engine_workbench_solid; +extern DrawEngineType draw_engine_workbench_transparent; + +#endif |