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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
#include "BLI_rect.h"
#include "GPU_batch.h"
#include "GPU_texture.h"
struct TextureInfo {
/**
* \brief Is the texture clipped.
*
* Resources of clipped textures are freed and ignored when performing partial updates.
*/
bool visible : 1;
/**
* \brief does this texture need a full update.
*
* When set to false the texture can be updated using a partial update.
*/
bool dirty : 1;
/** \brief area of the texture in screen space. */
rctf clipping_bounds;
/** \brief uv area of the texture (copy from ARegion). */
rctf region_uv_bounds;
/** \brief uv area of the texture in screen space. */
rctf clipping_uv_bounds;
/**
* \brief Batch to draw the associated text on the screen.
*
* Contains a VBO with `pos` and `uv`.
* `pos` (2xF32) is relative to the origin of the space.
* `uv` (2xF32) reflect the uv bounds.
*/
GPUBatch *batch;
/**
* \brief GPU Texture for a partial region of the image editor.
*/
GPUTexture *texture;
~TextureInfo()
{
if (batch != nullptr) {
GPU_batch_discard(batch);
batch = nullptr;
}
if (texture != nullptr) {
GPU_texture_free(texture);
texture = nullptr;
}
}
};
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