50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2022 Blender Foundation. */
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/** \file
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* \ingroup draw_engine
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*/
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#pragma once
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/**
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* ImageUsage contains data of the image and image user to identify changes that require a rebuild
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* the texture slots.
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*/
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struct ImageUsage {
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/** Render pass of the image that is used. */
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short pass = 0;
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/** Layer of the image that is used. */
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short layer = 0;
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/** View of the image that is used. */
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short view = 0;
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ColorManagedColorspaceSettings colorspace_settings;
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/** IMA_ALPHA_* */
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char alpha_mode;
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bool last_tile_drawing;
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const void *last_image = nullptr;
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ImageUsage() = default;
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ImageUsage(const struct Image *image, const struct ImageUser *image_user, bool do_tile_drawing)
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{
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pass = image_user ? image_user->pass : 0;
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layer = image_user ? image_user->layer : 0;
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view = image_user ? image_user->multi_index : 0;
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colorspace_settings = image->colorspace_settings;
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alpha_mode = image->alpha_mode;
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last_image = static_cast<const void *>(image);
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last_tile_drawing = do_tile_drawing;
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}
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bool operator==(const ImageUsage &other) const
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{
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return memcmp(this, &other, sizeof(ImageUsage)) == 0;
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}
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bool operator!=(const ImageUsage &other) const
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{
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return !(*this == other);
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}
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};
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