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