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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* 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
* of 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;
ImageUsage() = default;
ImageUsage(const struct Image *image, const struct ImageUser *image_user)
{
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;
}
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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