e955c94ed3
Listing the "Blender Foundation" as copyright holder implied the Blender Foundation holds copyright to files which may include work from many developers. While keeping copyright on headers makes sense for isolated libraries, Blender's own code may be refactored or moved between files in a way that makes the per file copyright holders less meaningful. Copyright references to the "Blender Foundation" have been replaced with "Blender Authors", with the exception of `./extern/` since these this contains libraries which are more isolated, any changed to license headers there can be handled on a case-by-case basis. Some directories in `./intern/` have also been excluded: - `./intern/cycles/` it's own `AUTHORS` file is planned. - `./intern/opensubdiv/`. An "AUTHORS" file has been added, using the chromium projects authors file as a template. Design task: #110784 Ref !110783.
138 lines
4.3 KiB
C
138 lines
4.3 KiB
C
/* SPDX-FileCopyrightText: 2021 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup draw
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*
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* Engine data
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* Structure containing each draw engine instance data.
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*/
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#pragma once
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#define GPU_INFO_SIZE 512 /* IMA_MAX_RENDER_TEXT_SIZE */
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct DRWRegisteredDrawEngine;
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struct DrawEngineType;
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struct GPUViewport;
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/* NOTE: these structs are only here for reading the actual lists from the engine.
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* The actual length of them is stored in a ViewportEngineData_Info.
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* The length of 1 is just here to avoid compiler warning. */
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typedef struct FramebufferList {
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struct GPUFrameBuffer *framebuffers[1];
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} FramebufferList;
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typedef struct TextureList {
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struct GPUTexture *textures[1];
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} TextureList;
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typedef struct PassList {
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struct DRWPass *passes[1];
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} PassList;
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/* Stores custom structs from the engine that have been MEM_(m/c)allocN'ed. */
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typedef struct StorageList {
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void *storage[1];
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} StorageList;
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typedef struct ViewportEngineData {
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/* Not owning pointer to the draw engine. */
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struct DRWRegisteredDrawEngine *engine_type;
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FramebufferList *fbl;
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TextureList *txl;
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PassList *psl;
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StorageList *stl;
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/**
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* \brief Memory block that can be freely used by the draw engine.
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* When used the draw engine must implement #DrawEngineType.instance_free callback.
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*/
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void *instance_data;
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char info[GPU_INFO_SIZE];
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/* we may want to put this elsewhere */
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struct DRWTextStore *text_draw_cache;
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/* Profiling data */
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double init_time;
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double render_time;
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double background_time;
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} ViewportEngineData;
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typedef struct ViewportEngineData_Info {
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int fbl_len;
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int txl_len;
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int psl_len;
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int stl_len;
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} ViewportEngineData_Info;
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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 *overlay_fb;
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struct GPUFrameBuffer *in_front_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 *overlay_only_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 *color_overlay;
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struct GPUTexture *depth;
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struct GPUTexture *depth_in_front;
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} DefaultTextureList;
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typedef struct DRWViewData DRWViewData;
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/**
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* Creates a view data with all possible engines type for this view.
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*
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* `engine_types` contains #DRWRegisteredDrawEngine.
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*/
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DRWViewData *DRW_view_data_create(ListBase *engine_types);
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void DRW_view_data_free(DRWViewData *view_data);
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void DRW_view_data_default_lists_from_viewport(DRWViewData *view_data,
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struct GPUViewport *viewport);
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void DRW_view_data_texture_list_size_validate(DRWViewData *view_data, const int size[2]);
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ViewportEngineData *DRW_view_data_engine_data_get_ensure(DRWViewData *view_data,
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struct DrawEngineType *engine_type_);
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void DRW_view_data_use_engine(DRWViewData *view_data, struct DrawEngineType *engine_type);
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void DRW_view_data_reset(DRWViewData *view_data);
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void DRW_view_data_free_unused(DRWViewData *view_data);
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void DRW_view_data_engines_view_update(DRWViewData *view_data);
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double *DRW_view_data_cache_time_get(DRWViewData *view_data);
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DefaultFramebufferList *DRW_view_data_default_framebuffer_list_get(DRWViewData *view_data);
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DefaultTextureList *DRW_view_data_default_texture_list_get(DRWViewData *view_data);
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typedef struct DRWEngineIterator {
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int id, end;
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ViewportEngineData **engines;
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} DRWEngineIterator;
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/* Iterate over used engines of this view_data. */
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void DRW_view_data_enabled_engine_iter_begin(DRWEngineIterator *iterator, DRWViewData *view_data);
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ViewportEngineData *DRW_view_data_enabled_engine_iter_step(DRWEngineIterator *iterator);
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#define DRW_ENABLED_ENGINE_ITER(view_data_, engine_, data_) \
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DRWEngineIterator iterator; \
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ViewportEngineData *data_; \
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struct DrawEngineType *engine_; \
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DRW_view_data_enabled_engine_iter_begin(&iterator, view_data_); \
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/* WATCH Comma operator trickery ahead! This tests engine_ == NULL. */ \
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while ((data_ = DRW_view_data_enabled_engine_iter_step(&iterator), \
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engine_ = (data_ != NULL) ? (struct DrawEngineType *)data_->engine_type->draw_engine : \
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NULL))
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#ifdef __cplusplus
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}
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#endif
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