649 lines
24 KiB
C++
649 lines
24 KiB
C++
/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bke
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*/
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#include "BLI_compiler_attrs.h"
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#include <optional>
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struct rcti;
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struct Depsgraph;
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struct GPUTexture;
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struct ID;
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struct ImBuf;
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struct MovieReader;
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struct Image;
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struct ImageFormatData;
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struct ImagePool;
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struct ImageTile;
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struct ImbFormatOptions;
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struct Library;
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struct ListBase;
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struct Main;
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struct Object;
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struct RenderResult;
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struct RenderSlot;
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struct ReportList;
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struct Scene;
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struct StampData;
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#define IMA_MAX_SPACE 64
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#define IMA_UDIM_MAX 2000
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void BKE_image_free_packedfiles(Image *image);
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void BKE_image_free_views(Image *image);
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void BKE_image_free_buffers(Image *image);
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/**
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* Simply free the image data from memory,
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* on display the image can load again (except for render buffers).
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*/
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void BKE_image_free_buffers_ex(Image *image, bool do_lock);
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void BKE_image_free_gputextures(Image *ima);
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/**
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* Free (or release) any data used by this image (does not free the image itself).
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* \note Call from library.
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*/
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void BKE_image_free_data(Image *image);
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typedef void(StampCallback)(void *data,
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const char *propname,
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char *propvalue,
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int propvalue_maxncpy);
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void BKE_render_result_stamp_info(Scene *scene,
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Object *camera,
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RenderResult *rr,
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bool allocate_only);
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/**
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* Fills in the static stamp data (i.e. everything except things that can change per frame).
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* The caller is responsible for freeing the allocated memory.
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*/
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StampData *BKE_stamp_info_from_scene_static(const Scene *scene);
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/**
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* Check whether the given metadata field name translates to a known field of a stamp.
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*/
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bool BKE_stamp_is_known_field(const char *field_name);
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void BKE_imbuf_stamp_info(const RenderResult *rr, ImBuf *ibuf);
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void BKE_stamp_info_from_imbuf(RenderResult *rr, ImBuf *ibuf);
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void BKE_stamp_info_callback(void *data,
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StampData *stamp_data,
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StampCallback callback,
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bool noskip);
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void BKE_image_multilayer_stamp_info_callback(void *data,
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const Image &image,
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StampCallback callback,
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bool noskip);
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void BKE_render_result_stamp_data(RenderResult *rr, const char *key, const char *value);
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StampData *BKE_stamp_data_copy(const StampData *stamp_data);
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void BKE_stamp_data_free(StampData *stamp_data);
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void BKE_image_stamp_buf(Scene *scene,
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Object *camera,
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const StampData *stamp_data_template,
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unsigned char *rect,
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float *rectf,
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int width,
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int height);
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bool BKE_imbuf_alpha_test(ImBuf *ibuf);
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bool BKE_imbuf_write_stamp(const Scene *scene,
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const RenderResult *rr,
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ImBuf *ibuf,
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const char *filepath,
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const ImageFormatData *imf);
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/**
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* \note imf->planes is ignored here, its assumed the image channels are already set.
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*/
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bool BKE_imbuf_write(ImBuf *ibuf, const char *filepath, const ImageFormatData *imf);
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/**
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* Same as #BKE_imbuf_write() but crappy workaround not to permanently modify _some_,
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* values in the imbuf.
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*/
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bool BKE_imbuf_write_as(ImBuf *ibuf,
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const char *filepath,
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const ImageFormatData *imf,
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bool save_copy);
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/**
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* Used by sequencer too.
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*/
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MovieReader *openanim(const char *filepath,
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int flags,
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int streamindex,
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char colorspace[IMA_MAX_SPACE]);
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MovieReader *openanim_noload(const char *filepath,
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int flags,
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int streamindex,
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char colorspace[IMA_MAX_SPACE]);
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void BKE_image_tag_time(Image *ima);
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/* ********************************** NEW IMAGE API *********************** */
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/* ImageUser is in Texture, in Nodes, Background Image, Image Window, .... */
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/* should be used in conjunction with an ID * to Image. */
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struct ImageUser;
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struct RenderData;
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struct RenderPass;
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struct RenderResult;
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/* signals */
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/* reload only frees, doesn't read until image_get_ibuf() called */
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#define IMA_SIGNAL_RELOAD 0
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#define IMA_SIGNAL_FREE 1
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/* source changes, from image to sequence or movie, etc */
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#define IMA_SIGNAL_SRC_CHANGE 5
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/* image-user gets a new image, check settings */
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#define IMA_SIGNAL_USER_NEW_IMAGE 6
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#define IMA_SIGNAL_COLORMANAGE 7
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/**
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* Checks whether there's an image buffer for given image and user.
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*/
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bool BKE_image_has_ibuf(Image *ima, ImageUser *iuser);
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/**
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* Return image buffer for given image and user:
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* - will lock render result if image type is render result and lock is not NULL
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* - will return NULL if image is NULL or image type is render or composite result and lock is NULL
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*
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* References the result, #BKE_image_release_ibuf should be used to de-reference.
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*/
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ImBuf *BKE_image_acquire_ibuf(Image *ima, ImageUser *iuser, void **r_lock);
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/**
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* Return image buffer for given image, user, pass, and view.
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* Is thread-safe, so another thread can be changing image while this function is executed.
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*
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* If the image is single-layer then the pass name is completely ignored.
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*
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* If the image is multi-layer then this function does all needed internal configurations to read
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* the pass. There is no need to acquire a temporary ImBuf prior to this call (which is what some
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* legacy code had to do to ensure proper type and RenderResult).
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*
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* References the result, #BKE_image_release_ibuf should be used to de-reference.
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*/
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ImBuf *BKE_image_acquire_multilayer_view_ibuf(const RenderData &render_data,
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Image &image,
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const ImageUser &image_user,
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const char *pass_name,
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const char *view_name);
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void BKE_image_release_ibuf(Image *ima, ImBuf *ibuf, void *lock);
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/**
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* Return image buffer of preview for given image
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* r_width & r_height are optional and return the _original size_ of the image.
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*/
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ImBuf *BKE_image_preview(Image *ima, short max_size, short *r_width, short *r_height);
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ImagePool *BKE_image_pool_new();
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void BKE_image_pool_free(ImagePool *pool);
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ImBuf *BKE_image_pool_acquire_ibuf(Image *ima, ImageUser *iuser, ImagePool *pool);
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void BKE_image_pool_release_ibuf(Image *ima, ImBuf *ibuf, ImagePool *pool);
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/**
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* Set an alpha mode based on file extension.
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*/
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char BKE_image_alpha_mode_from_extension_ex(const char *filepath);
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void BKE_image_alpha_mode_from_extension(Image *image);
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/**
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* Returns a new image or NULL if it can't load.
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*
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* \note: The `_in_lib` version allows to add a new image in a given library. It also affects the
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* root path used for relative filepaths. See also #BKE_id_new and #BKE_id_new_in_lib
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* documentation for more details.
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*/
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Image *BKE_image_load(Main *bmain, const char *filepath);
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Image *BKE_image_load_in_lib(Main *bmain,
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std::optional<Library *> owner_library,
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const char *filepath);
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/**
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* Returns existing Image when filename/type is same.
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*
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* Checks if image was already loaded, then returns same image otherwise creates new
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* (does not load ibuf itself).
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*
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* \note: The `_in_lib` version allows to find an existing (or add a new) image in a given library.
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* It also affects the root path used for relative filepaths. See also #BKE_id_new and
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* #BKE_id_new_in_lib documentation for more details.
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*/
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Image *BKE_image_load_exists(Main *bmain, const char *filepath, bool *r_exists = nullptr);
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Image *BKE_image_load_exists_in_lib(Main *bmain,
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std::optional<Library *> owner_library,
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const char *filepath,
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bool *r_exists = nullptr);
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/**
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* Adds new image block, creates ImBuf and initializes color.
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*/
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Image *BKE_image_add_generated(Main *bmain,
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unsigned int width,
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unsigned int height,
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const char *name,
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int depth,
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int floatbuf,
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short gen_type,
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const float color[4],
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bool stereo3d,
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bool is_data,
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bool tiled);
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/**
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* Create an image from ibuf. The reference-count of ibuf is increased,
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* caller should take care to drop its reference by calling #IMB_freeImBuf if needed.
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*/
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Image *BKE_image_add_from_imbuf(Main *bmain, ImBuf *ibuf, const char *name);
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/**
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* For a non-viewer single-buffer image (single frame file, or generated image) replace its image
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* buffer with the given one.
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* If an unsupported image type (multi-layer, image sequence, ...) the function will assert in the
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* debug mode and will have an undefined behavior in the release mode.
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*/
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void BKE_image_replace_imbuf(Image *image, ImBuf *ibuf);
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/**
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* For reload, refresh, pack.
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*/
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void BKE_imageuser_default(ImageUser *iuser);
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void BKE_image_init_imageuser(Image *ima, ImageUser *iuser);
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void BKE_image_signal(Main *bmain, Image *ima, ImageUser *iuser, int signal);
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void BKE_image_walk_all_users(
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const Main *mainp,
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void *customdata,
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void callback(Image *ima, ID *iuser_id, ImageUser *iuser, void *customdata));
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/**
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* Ensures an Image exists for viewing nodes or render
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* forces existence of 1 Image for render-output or nodes, returns Image.
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*
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* \param name: Only for default, when making new one.
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*/
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Image *BKE_image_ensure_viewer(Main *bmain, int type, const char *name);
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/**
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* Ensures the view node cache is compatible with the scene views.
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* Reset the image cache and views when the Viewer Nodes views don't match the scene views.
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*/
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void BKE_image_ensure_viewer_views(const RenderData *rd, Image *ima, ImageUser *iuser);
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/**
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* Called on frame change or before render.
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*/
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void BKE_image_user_frame_calc(Image *ima, ImageUser *iuser, int cfra);
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int BKE_image_user_frame_get(const ImageUser *iuser, int cfra, bool *r_is_in_range);
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void BKE_image_user_file_path(const ImageUser *iuser, const Image *ima, char *filepath);
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void BKE_image_user_file_path_ex(const Main *bmain,
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const ImageUser *iuser,
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const Image *ima,
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char *filepath,
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const bool resolve_udim,
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const bool resolve_multiview);
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void BKE_image_editors_update_frame(const Main *bmain, int cfra);
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/**
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* Dependency graph update for image user users.
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*/
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bool BKE_image_user_id_has_animation(ID *id);
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void BKE_image_user_id_eval_animation(Depsgraph *depsgraph, ID *id);
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/**
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* Sets index offset for multi-layer files and because rendered results use fake layer/passes,
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* don't correct for wrong indices here.
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*/
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RenderPass *BKE_image_multilayer_index(RenderResult *rr, ImageUser *iuser);
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/**
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* Sets index offset for multi-view files.
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*/
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void BKE_image_multiview_index(const Image *ima, ImageUser *iuser);
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/**
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* For multi-layer images as well as for render-viewer
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* and because rendered results use fake layer/passes, don't correct for wrong indices here.
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*/
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bool BKE_image_is_multilayer(const Image *ima);
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bool BKE_image_is_multiview(const Image *ima);
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bool BKE_image_is_stereo(const Image *ima);
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/**
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* Acquire render result associated with the give image.
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*
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* The returned render result is user-counted It is then required to call *
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* #BKE_image_release_renderresult with the non-null render result returned by this function.
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*
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* It is possible to use ibuf acquire/release API while a render result is held.
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*
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* It is allowed to call #BKE_image_release_renderresult with render_result of nullptr, but it is
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* not required.
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*/
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RenderResult *BKE_image_acquire_renderresult(Scene *scene, Image *ima);
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void BKE_image_release_renderresult(Scene *scene, Image *ima, RenderResult *render_result);
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/**
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* For multi-layer images as well as for single-layer.
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*/
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bool BKE_image_is_openexr(Image *ima);
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/**
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* For multiple slot render, call this before render.
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*/
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void BKE_image_backup_render(Scene *scene, Image *ima, bool free_current_slot);
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/**
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* Goes over all textures that use images.
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*/
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void BKE_image_free_all_textures(Main *bmain);
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/**
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* Operates on one image only!
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* \param except_frame: This is weak, only works for sequences without offset.
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*/
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void BKE_image_free_anim_ibufs(Image *ima, int except_frame);
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/**
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* Does all images with type MOVIE or SEQUENCE.
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*/
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void BKE_image_all_free_anim_ibufs(Main *bmain, int cfra);
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void BKE_image_free_all_gputextures(Main *bmain);
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/**
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* Same as #BKE_image_free_all_gputextures but only free animated images.
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*/
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void BKE_image_free_anim_gputextures(Main *bmain);
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void BKE_image_free_old_gputextures(Main *bmain);
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/**
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* Pack image to memory.
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*/
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bool BKE_image_memorypack(Image *ima);
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void BKE_image_packfiles(ReportList *reports, Image *ima, const char *basepath);
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void BKE_image_packfiles_from_mem(ReportList *reports, Image *ima, char *data, size_t data_len);
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/**
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* Prints memory statistics for images.
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*/
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void BKE_image_print_memlist(Main *bmain);
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/**
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* Merge source into `dest`, and free `source`.
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*/
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void BKE_image_merge(Main *bmain, Image *dest, Image *source);
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/**
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* Scale the image.
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*/
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bool BKE_image_scale(Image *image, int width, int height, ImageUser *iuser);
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/**
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* Check if texture has alpha `planes == 32 || planes == 16`.
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*/
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bool BKE_image_has_alpha(Image *image);
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/**
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* Check if texture has GPU texture code.
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*/
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bool BKE_image_has_opengl_texture(Image *ima);
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/**
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* Get tile index for tiled images.
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* \return The string length.
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*/
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int BKE_image_get_tile_label(const Image *ima,
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const ImageTile *tile,
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char *label,
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int label_maxncpy);
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/**
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* Checks whether the given filepath refers to a UDIM tiled texture.
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* If yes, the range from the lowest to the highest tile is returned.
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*
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* \param filepath: may be modified to ensure a UDIM token is present.
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* \param tiles: may be filled even if the result ultimately is false!
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*/
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bool BKE_image_get_tile_info(char *filepath,
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ListBase *tiles,
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int *r_tile_start,
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int *r_tile_range);
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ImageTile *BKE_image_add_tile(Image *ima, int tile_number, const char *label);
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bool BKE_image_remove_tile(Image *ima, ImageTile *tile);
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void BKE_image_reassign_tile(Image *ima, ImageTile *tile, int new_tile_number);
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void BKE_image_sort_tiles(Image *ima);
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bool BKE_image_fill_tile(Image *ima, ImageTile *tile);
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enum eUDIM_TILE_FORMAT {
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UDIM_TILE_FORMAT_NONE = 0,
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UDIM_TILE_FORMAT_UDIM = 1,
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UDIM_TILE_FORMAT_UVTILE = 2
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};
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/**
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* Checks if the filename portion of the path contains a UDIM token.
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*/
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bool BKE_image_is_filename_tokenized(char *filepath);
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/**
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* Ensures that `filename` contains a UDIM token if we find a supported format pattern.
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* \note This must only be the name component (without slashes).
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*/
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void BKE_image_ensure_tile_token(char *filepath, size_t filepath_maxncpy);
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void BKE_image_ensure_tile_token_filename_only(char *filename, size_t filename_maxncpy);
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/**
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* When provided with an absolute virtual `filepath`, check to see if at least
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* one concrete file exists.
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* NOTE: This function requires directory traversal and may be inefficient in time-critical,
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* or iterative, code paths.
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*/
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bool BKE_image_tile_filepath_exists(const char *filepath);
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/**
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* Retrieves the UDIM token format and returns the pattern from the provided `filepath`.
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* The returned pattern is typically passed to either #BKE_image_get_tile_number_from_filepath or
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* #BKE_image_set_filepath_from_tile_number.
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*/
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char *BKE_image_get_tile_strformat(const char *filepath, eUDIM_TILE_FORMAT *r_tile_format);
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bool BKE_image_get_tile_number_from_filepath(const char *filepath,
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const char *pattern,
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eUDIM_TILE_FORMAT tile_format,
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int *r_tile_number);
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void BKE_image_set_filepath_from_tile_number(char *filepath,
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const char *pattern,
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eUDIM_TILE_FORMAT tile_format,
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int tile_number);
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ImageTile *BKE_image_get_tile(Image *ima, int tile_number);
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ImageTile *BKE_image_get_tile_from_iuser(Image *ima, const ImageUser *iuser);
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int BKE_image_get_tile_from_pos(Image *ima, const float uv[2], float r_uv[2], float r_ofs[2]);
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void BKE_image_get_tile_uv(const Image *ima, const int tile_number, float r_uv[2]);
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/**
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* Return the tile_number for the closest UDIM tile to `co`.
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*/
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int BKE_image_find_nearest_tile_with_offset(const Image *image,
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const float co[2],
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float r_uv_offset[2]) ATTR_NONNULL(2, 3);
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int BKE_image_find_nearest_tile(const Image *image, const float co[2])
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ATTR_NONNULL(2) ATTR_WARN_UNUSED_RESULT;
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void BKE_image_get_size(Image *image, ImageUser *iuser, int *r_width, int *r_height);
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void BKE_image_get_size_fl(Image *image, ImageUser *iuser, float r_size[2]);
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void BKE_image_get_aspect(Image *image, float *r_aspx, float *r_aspy);
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/* `image_gen.cc` */
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void BKE_image_buf_fill_color(
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unsigned char *rect, float *rect_float, int width, int height, const float color[4]);
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void BKE_image_buf_fill_checker(unsigned char *rect, float *rect_float, int width, int height);
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void BKE_image_buf_fill_checker_color(unsigned char *rect,
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float *rect_float,
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int width,
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int height);
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/* Cycles hookup */
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unsigned char *BKE_image_get_pixels_for_frame(Image *image, int frame, int tile);
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float *BKE_image_get_float_pixels_for_frame(Image *image, int frame, int tile);
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/* Image modifications */
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bool BKE_image_is_dirty(Image *image);
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void BKE_image_mark_dirty(Image *image, ImBuf *ibuf);
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bool BKE_image_buffer_format_writable(ImBuf *ibuf);
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bool BKE_image_is_dirty_writable(Image *image, bool *r_is_writable);
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/**
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* Guess offset for the first frame in the sequence.
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*/
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int BKE_image_sequence_guess_offset(Image *image);
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bool BKE_image_has_anim(Image *image);
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bool BKE_image_has_packedfile(const Image *image);
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bool BKE_image_has_filepath(const Image *ima);
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/**
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* Checks the image buffer changes with time (not keyframed values).
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*/
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bool BKE_image_is_animated(Image *image);
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/**
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* Checks whether the image consists of multiple buffers.
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*/
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bool BKE_image_has_multiple_ibufs(Image *image);
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void BKE_image_file_format_set(Image *image, int ftype, const ImbFormatOptions *options);
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bool BKE_image_has_loaded_ibuf(Image *image);
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/**
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* References the result, #BKE_image_release_ibuf is to be called to de-reference.
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* Use lock=NULL when calling #BKE_image_release_ibuf().
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*/
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ImBuf *BKE_image_get_ibuf_with_name(Image *image, const char *filepath);
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/**
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* References the result, #BKE_image_release_ibuf is to be called to de-reference.
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* Use lock=NULL when calling #BKE_image_release_ibuf().
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*
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* TODO(sergey): This is actually "get first item from the cache", which is
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* not so much predictable. But using first loaded image buffer
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* was also malicious logic and all the areas which uses this
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* function are to be re-considered.
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*/
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ImBuf *BKE_image_get_first_ibuf(Image *image);
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/**
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* Not to be use directly.
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*/
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GPUTexture *BKE_image_create_gpu_texture_from_ibuf(Image *image, ImBuf *ibuf);
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/**
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* Ensure that the cached GPU texture inside the image matches the pass, layer, and view of the
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* given image user, if not, invalidate the cache such that the next call to the GPU texture
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* retrieval functions such as BKE_image_get_gpu_texture updates the cache with an image that
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* matches the give image user.
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*
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* This is provided as a separate function and not implemented as part of the GPU texture retrieval
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* functions because the current cache system only allows a single pass, layer, and stereo view to
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* be cached, so possible frequent cache invalidation can have performance implications,
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* and making invalidation explicit by calling this function will help make that clear and pave the
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* way for a more complete cache system in the future.
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*/
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void BKE_image_ensure_gpu_texture(Image *image, ImageUser *iuser);
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/**
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* Get the #GPUTexture for a given `Image`.
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*
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*
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*
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* The requested GPU texture will be cached for subsequent calls, but only a single layer, pass,
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* and view can be cached at a time, so the cache should be invalidated in operators and RNA
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* callbacks that change the layer, pass, or view of the image to maintain a correct cache state.
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* However, in some cases, multiple layers, passes, or views might be needed at the same time, like
|
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* is the case for the compositor. This is currently not supported, so the caller should
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* ensure that the requested layer is indeed the cached one and invalidated the cached otherwise by
|
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* calling BKE_image_ensure_gpu_texture. This is a workaround until image can support a more
|
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* complete caching system.
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*/
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GPUTexture *BKE_image_get_gpu_texture(Image *image, ImageUser *iuser);
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|
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/*
|
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* Like BKE_image_get_gpu_texture, but can also get render or compositing result.
|
|
*/
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GPUTexture *BKE_image_get_gpu_viewer_texture(Image *image, ImageUser *iuser);
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/*
|
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* Like BKE_image_get_gpu_texture, but can also return array and tile mapping texture for UDIM
|
|
* tiles as used in material shaders.
|
|
*/
|
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struct ImageGPUTextures {
|
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GPUTexture *texture;
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GPUTexture *tile_mapping;
|
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};
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ImageGPUTextures BKE_image_get_gpu_material_texture(Image *image,
|
|
ImageUser *iuser,
|
|
const bool use_tile_mapping);
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|
|
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/**
|
|
* Is the alpha of the `GPUTexture` for a given image/ibuf premultiplied.
|
|
*/
|
|
bool BKE_image_has_gpu_texture_premultiplied_alpha(Image *image, ImBuf *ibuf);
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|
|
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/**
|
|
* Partial update of texture for texture painting.
|
|
* This is often much quicker than fully updating the texture for high resolution images.
|
|
*/
|
|
void BKE_image_update_gputexture(Image *ima, ImageUser *iuser, int x, int y, int w, int h);
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|
|
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/**
|
|
* Mark areas on the #GPUTexture that needs to be updated. The areas are marked in chunks.
|
|
* The next time the #GPUTexture is used these tiles will be refreshes. This saves time
|
|
* when writing to the same place multiple times This happens for during foreground rendering.
|
|
*/
|
|
void BKE_image_update_gputexture_delayed(
|
|
Image *ima, ImageTile *image_tile, ImBuf *ibuf, int x, int y, int w, int h);
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|
|
|
/**
|
|
* Called on entering and exiting texture paint mode,
|
|
* temporary disabling/enabling mipmapping on all images for quick texture
|
|
* updates with glTexSubImage2D. images that didn't change don't have to be re-uploaded to OpenGL.
|
|
*/
|
|
void BKE_image_paint_set_mipmap(Main *bmain, bool mipmap);
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|
|
|
/**
|
|
* Delayed free of OpenGL buffers by main thread.
|
|
*/
|
|
void BKE_image_free_unused_gpu_textures();
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|
|
|
RenderSlot *BKE_image_add_renderslot(Image *ima, const char *name);
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|
bool BKE_image_remove_renderslot(Image *ima, ImageUser *iuser, int slot);
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|
RenderSlot *BKE_image_get_renderslot(Image *ima, int index);
|
|
bool BKE_image_clear_renderslot(Image *ima, ImageUser *iuser, int slot);
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|
|
|
/* --- image_partial_update.cc --- */
|
|
/** Image partial updates. */
|
|
struct PartialUpdateUser;
|
|
|
|
/**
|
|
* \brief Create a new PartialUpdateUser. An Object that contains data to use partial updates.
|
|
*/
|
|
PartialUpdateUser *BKE_image_partial_update_create(const Image *image);
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|
|
|
/**
|
|
* \brief free a partial update user.
|
|
*/
|
|
void BKE_image_partial_update_free(PartialUpdateUser *user);
|
|
|
|
/* --- partial updater (image side) --- */
|
|
|
|
void BKE_image_partial_update_register_free(Image *image);
|
|
/** \brief Mark a region of the image to update. */
|
|
void BKE_image_partial_update_mark_region(Image *image,
|
|
const ImageTile *image_tile,
|
|
const ImBuf *image_buffer,
|
|
const rcti *updated_region);
|
|
/** \brief Mark the whole image to be updated. */
|
|
void BKE_image_partial_update_mark_full_update(Image *image);
|