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/*
* Copyright 2015 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 ISL_PRIV_H
#define ISL_PRIV_H
#include <assert.h>
#include <strings.h>
#include "common/gen_device_info.h"
#include "util/macros.h"
#include "isl.h"
#define isl_finishme(format, ...) \
do { \
static bool reported = false; \
if (!reported) { \
__isl_finishme(__FILE__, __LINE__, format, ##__VA_ARGS__); \
reported = true; \
} \
} while (0)
void PRINTFLIKE(3, 4) UNUSED
__isl_finishme(const char *file, int line, const char *fmt, ...);
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
static inline bool
isl_is_pow2(uintmax_t n)
{
return !(n & (n - 1));
}
/**
* Alignment must be a power of 2.
*/
static inline bool
isl_is_aligned(uintmax_t n, uintmax_t a)
{
assert(isl_is_pow2(a));
return (n & (a - 1)) == 0;
}
/**
* Alignment must be a power of 2.
*/
static inline uintmax_t
isl_align(uintmax_t n, uintmax_t a)
{
assert(a != 0 && isl_is_pow2(a));
return (n + a - 1) & ~(a - 1);
}
static inline uintmax_t
isl_align_npot(uintmax_t n, uintmax_t a)
{
assert(a > 0);
return ((n + a - 1) / a) * a;
}
static inline uintmax_t
isl_assert_div(uintmax_t n, uintmax_t a)
{
assert(n % a == 0);
return n / a;
}
/**
* Alignment must be a power of 2.
*/
static inline uintmax_t
isl_align_div(uintmax_t n, uintmax_t a)
{
return isl_align(n, a) / a;
}
static inline uintmax_t
isl_align_div_npot(uintmax_t n, uintmax_t a)
{
return isl_align_npot(n, a) / a;
}
/**
* Log base 2, rounding towards zero.
*/
static inline uint32_t
isl_log2u(uint32_t n)
{
assert(n != 0);
return 31 - __builtin_clz(n);
}
static inline uint32_t
isl_round_up_to_power_of_two(uint32_t value)
{
if (value <= 1)
return value;
return 1 << (32 - __builtin_clz(value - 1));
}
static inline uint32_t
isl_minify(uint32_t n, uint32_t levels)
{
if (unlikely(n == 0))
return 0;
else
return MAX(n >> levels, 1);
}
static inline struct isl_extent3d
isl_extent3d_sa_to_el(enum isl_format fmt, struct isl_extent3d extent_sa)
{
const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
assert(extent_sa.w % fmtl->bw == 0);
assert(extent_sa.h % fmtl->bh == 0);
assert(extent_sa.d % fmtl->bd == 0);
return (struct isl_extent3d) {
.w = extent_sa.w / fmtl->bw,
.h = extent_sa.h / fmtl->bh,
.d = extent_sa.d / fmtl->bd,
};
}
static inline struct isl_extent3d
isl_extent3d_el_to_sa(enum isl_format fmt, struct isl_extent3d extent_el)
{
const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
return (struct isl_extent3d) {
.w = extent_el.w * fmtl->bw,
.h = extent_el.h * fmtl->bh,
.d = extent_el.d * fmtl->bd,
};
}
/* This is useful for adding the isl_prefix to genX functions */
#define __PASTE2(x, y) x ## y
#define __PASTE(x, y) __PASTE2(x, y)
#define isl_genX(x) __PASTE(isl_, genX(x))
#ifdef genX
# include "isl_genX_priv.h"
#else
# define genX(x) gen4_##x
# include "isl_genX_priv.h"
# undef genX
# define genX(x) gen5_##x
# include "isl_genX_priv.h"
# undef genX
# define genX(x) gen6_##x
# include "isl_genX_priv.h"
# undef genX
# define genX(x) gen7_##x
# include "isl_genX_priv.h"
# undef genX
# define genX(x) gen75_##x
# include "isl_genX_priv.h"
# undef genX
# define genX(x) gen8_##x
# include "isl_genX_priv.h"
# undef genX
# define genX(x) gen9_##x
# include "isl_genX_priv.h"
# undef genX
# define genX(x) gen10_##x
# include "isl_genX_priv.h"
# undef genX
#endif
#endif /* ISL_PRIV_H */
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