xref: /external/mesa3d/src/intel/common/gen_sample_positions.h

/*
 * Copyright © 2016 Intel Corporation
 *
 * 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 (including the next
 * paragraph) 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.
 */
#ifndef GEN_SAMPLE_POSITIONS_H
#define GEN_SAMPLE_POSITIONS_H

#define GEN_SAMPLE_POS_1X(prefix) \
prefix##0XOffset   = 0.5; \
prefix##0YOffset   = 0.5;

#define GEN_SAMPLE_POS_2X(prefix) \
prefix##0XOffset   = 0.25; \
prefix##0YOffset   = 0.25; \
prefix##1XOffset   = 0.75; \
prefix##1YOffset   = 0.75;

#define GEN_SAMPLE_POS_4X(prefix) \
prefix##0XOffset   = 0.375; \
prefix##0YOffset   = 0.125; \
prefix##1XOffset   = 0.875; \
prefix##1YOffset   = 0.375; \
prefix##2XOffset   = 0.125; \
prefix##2YOffset   = 0.625; \
prefix##3XOffset   = 0.625; \
prefix##3YOffset   = 0.875;

#define GEN_SAMPLE_POS_8X(prefix) \
prefix##0XOffset   = 0.5625; \
prefix##0YOffset   = 0.3125; \
prefix##1XOffset   = 0.4375; \
prefix##1YOffset   = 0.6875; \
prefix##2XOffset   = 0.8125; \
prefix##2YOffset   = 0.5625; \
prefix##3XOffset   = 0.3125; \
prefix##3YOffset   = 0.1875; \
prefix##4XOffset   = 0.1875; \
prefix##4YOffset   = 0.8125; \
prefix##5XOffset   = 0.0625; \
prefix##5YOffset   = 0.4375; \
prefix##6XOffset   = 0.6875; \
prefix##6YOffset   = 0.9375; \
prefix##7XOffset   = 0.9375; \
prefix##7YOffset   = 0.0625;

#define GEN_SAMPLE_POS_16X(prefix) \
prefix##0XOffset   = 0.5625; \
prefix##0YOffset   = 0.5625; \
prefix##1XOffset   = 0.4375; \
prefix##1YOffset   = 0.3125; \
prefix##2XOffset   = 0.3125; \
prefix##2YOffset   = 0.6250; \
prefix##3XOffset   = 0.7500; \
prefix##3YOffset   = 0.4375; \
prefix##4XOffset   = 0.1875; \
prefix##4YOffset   = 0.3750; \
prefix##5XOffset   = 0.6250; \
prefix##5YOffset   = 0.8125; \
prefix##6XOffset   = 0.8125; \
prefix##6YOffset   = 0.6875; \
prefix##7XOffset   = 0.6875; \
prefix##7YOffset   = 0.1875; \
prefix##8XOffset   = 0.3750; \
prefix##8YOffset   = 0.8750; \
prefix##9XOffset   = 0.5000; \
prefix##9YOffset   = 0.0625; \
prefix##10XOffset  = 0.2500; \
prefix##10YOffset  = 0.1250; \
prefix##11XOffset  = 0.1250; \
prefix##11YOffset  = 0.7500; \
prefix##12XOffset  = 0.0000; \
prefix##12YOffset  = 0.5000; \
prefix##13XOffset  = 0.9375; \
prefix##13YOffset  = 0.2500; \
prefix##14XOffset  = 0.8750; \
prefix##14YOffset  = 0.9375; \
prefix##15XOffset  = 0.0625; \
prefix##15YOffset  = 0.0000;

#endif /* GEN_SAMPLE_POSITIONS_H */