Antonio Vazquez
541d07045b
Full redesign of the cache system used for drawing strokes and handle derived frame data. Before, the cache was saved in bGPdata and a hash was used to manage several objects with the same datablock. Old design made the use of particles very inefficient and prone to bugs and segment faults, and especially when this was mixed with onion skinning and multiple objects using same datablock. Also, there were some conflicts with the depsgrah logic (the old design was done before despgraph was in place) that made the use of hash not working. The new design saves the data in the object runtime struct and avoid the use of any hash to find the right data. This improves the speed and reduce a lot the complexity of the code, memory allocation, hash overload and adds full support for particles and reused datablocks. The particles can reuse the modifiers and shader effects of the original grease pencil object.
158 lines
5.0 KiB
C++
158 lines
5.0 KiB
C++
/*
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* Copyright 2016, Blender Foundation.
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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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* Contributor(s): Blender Institute
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*
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*/
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/** \file DRW_engine.h
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* \ingroup draw
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*/
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#ifndef __DRW_ENGINE_H__
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#define __DRW_ENGINE_H__
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#include "BLI_sys_types.h" /* for bool */
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struct ARegion;
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struct CollectionEngineSettings;
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struct Depsgraph;
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struct DRWPass;
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struct DRWInstanceDataList;
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struct Main;
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struct Material;
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struct Scene;
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struct DrawEngineType;
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struct ID;
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struct IDProperty;
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struct bContext;
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struct Object;
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struct ViewLayer;
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struct ViewContext;
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struct ViewportEngineData;
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struct View3D;
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struct rcti;
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struct GPUMaterial;
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struct GPUOffScreen;
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struct GPUViewport;
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struct RenderEngine;
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struct RenderEngineType;
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struct WorkSpace;
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#include "DNA_object_enums.h"
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/* Buffer and textures used by the viewport by default */
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typedef struct DefaultFramebufferList {
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struct GPUFrameBuffer *default_fb;
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struct GPUFrameBuffer *color_only_fb;
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struct GPUFrameBuffer *depth_only_fb;
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struct GPUFrameBuffer *multisample_fb;
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} DefaultFramebufferList;
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typedef struct DefaultTextureList {
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struct GPUTexture *color;
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struct GPUTexture *depth;
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struct GPUTexture *multisample_color;
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struct GPUTexture *multisample_depth;
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} DefaultTextureList;
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void DRW_engines_register(void);
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void DRW_engines_free(void);
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bool DRW_engine_render_support(struct DrawEngineType *draw_engine_type);
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void DRW_engine_register(struct DrawEngineType *draw_engine_type);
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void DRW_engine_viewport_data_size_get(
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const void *engine_type,
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int *r_fbl_len, int *r_txl_len, int *r_psl_len, int *r_stl_len);
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typedef struct DRWUpdateContext {
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struct Main *bmain;
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struct Depsgraph *depsgraph;
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struct Scene *scene;
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struct ViewLayer *view_layer;
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struct ARegion *ar;
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struct View3D *v3d;
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struct RenderEngineType *engine_type;
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} DRWUpdateContext;
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void DRW_notify_view_update(const DRWUpdateContext *update_ctx);
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typedef enum eDRWSelectStage { DRW_SELECT_PASS_PRE = 1, DRW_SELECT_PASS_POST, } eDRWSelectStage;
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typedef bool (*DRW_SelectPassFn)(
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eDRWSelectStage stage, void *user_data);
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typedef bool (*DRW_ObjectFilterFn)(
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struct Object *ob, void *user_data);
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void DRW_draw_view(const struct bContext *C);
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void DRW_draw_render_loop_ex(
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struct Depsgraph *depsgraph,
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struct RenderEngineType *engine_type,
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struct ARegion *ar, struct View3D *v3d,
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struct GPUViewport *viewport,
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const struct bContext *evil_C);
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void DRW_draw_render_loop(
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struct Depsgraph *depsgraph,
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struct ARegion *ar, struct View3D *v3d,
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struct GPUViewport *viewport);
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void DRW_draw_render_loop_offscreen(
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struct Depsgraph *depsgraph,
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struct RenderEngineType *engine_type,
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struct ARegion *ar, struct View3D *v3d,
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const bool draw_background,
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struct GPUOffScreen *ofs,
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struct GPUViewport *viewport);
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void DRW_draw_select_loop(
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struct Depsgraph *depsgraph,
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struct ARegion *ar, struct View3D *v3d,
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bool use_obedit_skip, bool draw_surface, bool use_nearest, const struct rcti *rect,
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DRW_SelectPassFn select_pass_fn, void *select_pass_user_data,
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DRW_ObjectFilterFn object_filter_fn, void *object_filter_user_data);
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void DRW_draw_depth_loop(
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struct Depsgraph *depsgraph,
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struct ARegion *ar, struct View3D *v3d);
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/* grease pencil render */
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void DRW_render_gpencil(struct RenderEngine *engine, struct Depsgraph *depsgraph);
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void DRW_gpencil_freecache(struct Object *ob);
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/* This is here because GPUViewport needs it */
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void DRW_pass_free(struct DRWPass *pass);
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struct DRWInstanceDataList *DRW_instance_data_list_create(void);
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void DRW_instance_data_list_free(struct DRWInstanceDataList *idatalist);
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void DRW_opengl_context_create(void);
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void DRW_opengl_context_destroy(void);
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void DRW_opengl_context_enable(void);
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void DRW_opengl_context_disable(void);
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/* Never use this. Only for closing blender. */
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void DRW_opengl_context_enable_ex(bool restore);
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void DRW_opengl_context_disable_ex(bool restore);
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void DRW_opengl_render_context_enable(void *re_gl_context);
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void DRW_opengl_render_context_disable(void *re_gl_context);
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void DRW_gawain_render_context_enable(void *re_gpu_context);
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void DRW_gawain_render_context_disable(void *re_gpu_context);
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void DRW_deferred_shader_remove(struct GPUMaterial *mat);
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struct DrawDataList *DRW_drawdatalist_from_id(struct ID *id);
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void DRW_drawdata_free(struct ID *id);
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#endif /* __DRW_ENGINE_H__ */
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