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Diffstat (limited to 'intern/cycles/render/tile.h')
| -rw-r--r-- | intern/cycles/render/tile.h | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/intern/cycles/render/tile.h b/intern/cycles/render/tile.h deleted file mode 100644 index 5872a9a8609..00000000000 --- a/intern/cycles/render/tile.h +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Copyright 2011-2013 Blender Foundation - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#pragma once - -#include "render/buffers.h" -#include "util/util_image.h" -#include "util/util_string.h" -#include "util/util_unique_ptr.h" - -CCL_NAMESPACE_BEGIN - -class DenoiseParams; -class Scene; - -/* -------------------------------------------------------------------- - * Tile. - */ - -class Tile { - public: - int x = 0, y = 0; - int width = 0, height = 0; - - int window_x = 0, window_y = 0; - int window_width = 0, window_height = 0; - - Tile() - { - } -}; - -/* -------------------------------------------------------------------- - * Tile Manager. - */ - -class TileManager { - public: - /* This callback is invoked by whenever on-dist tiles storage file is closed after writing. */ - function<void(string_view)> full_buffer_written_cb; - - TileManager(); - ~TileManager(); - - TileManager(const TileManager &other) = delete; - TileManager(TileManager &&other) noexcept = delete; - TileManager &operator=(const TileManager &other) = delete; - TileManager &operator=(TileManager &&other) = delete; - - /* Reset current progress and start new rendering of the full-frame parameters in tiles of the - * given size. - * Only touches scheduling-related state of the tile manager. */ - /* TODO(sergey): Consider using tile area instead of exact size to help dealing with extreme - * cases of stretched renders. */ - void reset_scheduling(const BufferParams ¶ms, int2 tile_size); - - /* Update for the known buffer passes and scene parameters. - * Will store all parameters needed for buffers access outside of the scene graph. */ - void update(const BufferParams ¶ms, const Scene *scene); - - inline int get_num_tiles() const - { - return tile_state_.num_tiles; - } - - inline bool has_multiple_tiles() const - { - return tile_state_.num_tiles > 1; - } - - inline int get_tile_overscan() const - { - return overscan_; - } - - bool next(); - bool done(); - - const Tile &get_current_tile() const; - const int2 get_size() const; - - /* Write render buffer of a tile to a file on disk. - * - * Opens file for write when first tile is written. - * - * Returns true on success. */ - bool write_tile(const RenderBuffers &tile_buffers); - - /* Inform the tile manager that no more tiles will be written to disk. - * The file will be considered final, all handles to it will be closed. */ - void finish_write_tiles(); - - /* Check whether any tile has been written to disk. */ - inline bool has_written_tiles() const - { - return write_state_.num_tiles_written != 0; - } - - /* Read full frame render buffer from tiles file on disk. - * - * Returns true on success. */ - bool read_full_buffer_from_disk(string_view filename, - RenderBuffers *buffers, - DenoiseParams *denoise_params); - - /* Compute valid tile size compatible with image saving. */ - int compute_render_tile_size(const int suggested_tile_size) const; - - /* Tile size in the image file. */ - static const int IMAGE_TILE_SIZE = 128; - - protected: - /* Get tile configuration for its index. - * The tile index must be within [0, state_.tile_state_). */ - Tile get_tile_for_index(int index) const; - - bool open_tile_output(); - bool close_tile_output(); - - /* Part of an on-disk tile file name which avoids conflicts between several Cycles instances or - * several sessions. */ - string tile_file_unique_part_; - - int2 tile_size_ = make_int2(0, 0); - - /* Number of extra pixels around the actual tile to render. */ - int overscan_ = 0; - - BufferParams buffer_params_; - - /* Tile scheduling state. */ - struct { - int num_tiles_x = 0; - int num_tiles_y = 0; - int num_tiles = 0; - - int next_tile_index; - - Tile current_tile; - } tile_state_; - - /* State of tiles writing to a file on disk. */ - struct { - /* Index of a tile file used during the current session. - * This number is used for the file name construction, making it possible to render several - * scenes throughout duration of the session and keep all results available for later read - * access. */ - int tile_file_index = 0; - - string filename; - - /* Specification of the tile image which corresponds to the buffer parameters. - * Contains channels configured according to the passes configuration in the path traces. - * - * Output images are saved using this specification, input images are expected to have matched - * specification. */ - ImageSpec image_spec; - - /* Output handle for the tile file. - * - * This file can not be closed until all tiles has been provided, so the handle is stored in - * the state and is created whenever writing is requested. */ - unique_ptr<ImageOutput> tile_out; - - int num_tiles_written = 0; - } write_state_; -}; - -CCL_NAMESPACE_END |