MetaCoreEngineV2/rpcore/shader/includes/sampling_sequences.inc.glsl
2026-01-13 17:06:06 +08:00

47 lines
1.9 KiB
GLSL

/**
*
* RenderPipeline
*
* Copyright (c) 2014-2016 tobspr <tobias.springer1@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#pragma once
// Poisson disks
#pragma include "includes/poisson_disk.inc.glsl"
#pragma include "includes/halton_sequences.inc.glsl"
// Special getter for plugin sequences
#define GET_SEQUENCE_SIZE(plugin_id, setting_id) (GET_SETTING(plugin_id, setting_id).length())
#define GET_SEQUENCE_SAMPLE(plugin_id, setting_id, sample_id) (GET_SETTING(plugin_id, setting_id)[sample_id])
#define START_ITERATE_SEQUENCE(plugin_id, setting_id, storage) \
for (uint _seq_count_000 = 0; _seq_count_000 < GET_SEQUENCE_SIZE(plugin_id, setting_id); ++_seq_count_000) {\
storage = GET_SEQUENCE_SAMPLE(plugin_id, setting_id, _seq_count_000);
#define END_ITERATE_SEQUENCE() }
#define NORMALIZE_SEQUENCE(plugin_id, setting_id, var) var /= float(GET_SEQUENCE_SIZE(plugin_id, setting_id));