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/*
* © Copyright 2018 Alyssa Rosenzweig
*
* 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 __PAN_FORMAT_H__
#define __PAN_FORMAT_H__
#include "pan_context.h"
#include "util/format/u_format.h"
unsigned
panfrost_translate_swizzle_4(const unsigned char swizzle[4]);
enum mali_format
panfrost_find_format(const struct util_format_description *desc);
void
panfrost_invert_swizzle(const unsigned char *in, unsigned char *out);
bool
panfrost_is_z24s8_variant(enum pipe_format fmt);
static inline unsigned
panfrost_get_default_swizzle(unsigned components)
{
switch (components) {
case 1:
return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_ZERO << 3) |
(MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9);
case 2:
return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
(MALI_CHANNEL_ZERO << 6) | (MALI_CHANNEL_ONE << 9);
case 3:
return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
(MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ONE << 9);
case 4:
return (MALI_CHANNEL_RED << 0) | (MALI_CHANNEL_GREEN << 3) |
(MALI_CHANNEL_BLUE << 6) | (MALI_CHANNEL_ALPHA << 9);
default:
unreachable("Invalid number of components");
}
}
#endif
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