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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 2021, Blender Foundation.
*/
/** \file
* \ingroup draw_engine
*/
#pragma once
#include "DNA_camera_types.h"
#include "DNA_image_types.h"
#include "DNA_scene_types.h"
#include "IMB_imbuf_types.h"
#include "BKE_image.h"
#include "BLI_math.h"
#include "image_space.hh"
struct ShaderParameters {
int flags = 0;
float shuffle[4];
float far_near[2];
bool use_premul_alpha = false;
void update(AbstractSpaceAccessor *space, const Scene *scene, Image *image, ImBuf *image_buffer)
{
flags = 0;
copy_v4_fl(shuffle, 1.0f);
copy_v2_fl2(far_near, 100.0f, 0.0f);
use_premul_alpha = BKE_image_has_gpu_texture_premultiplied_alpha(image, image_buffer);
if (scene->camera && scene->camera->type == OB_CAMERA) {
Camera *camera = static_cast<Camera *>(scene->camera->data);
copy_v2_fl2(far_near, camera->clip_end, camera->clip_start);
}
space->get_shader_parameters(*this, image_buffer);
}
};
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