src/intel/isl/isl_priv.h

   1 /*
   2  * Copyright 2015 Intel Corporation
   3  *
   4  *  Permission is hereby granted, free of charge, to any person obtaining a
   5  *  copy of this software and associated documentation files (the "Software"),
   6  *  to deal in the Software without restriction, including without limitation
   7  *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  *  and/or sell copies of the Software, and to permit persons to whom the
   9  *  Software is furnished to do so, subject to the following conditions:
  10  *
  11  *  The above copyright notice and this permission notice (including the next
  12  *  paragraph) shall be included in all copies or substantial portions of the
  13  *  Software.
  14  *
  15  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  *  IN THE SOFTWARE.
  22  */
  23
  24 #pragma once
  25
  26 #include <assert.h>
  27 #include <strings.h>
  28
  29 #include "brw_device_info.h"
  30 #include "util/macros.h"
  31
  32 #include "isl.h"
  33
  34 #define isl_finishme(format, ...) \
  35    __isl_finishme(__FILE__, __LINE__, format, ##__VA_ARGS__)
  36
  37 void PRINTFLIKE(3, 4) UNUSED
  38 __isl_finishme(const char *file, int line, const char *fmt, ...);
  39
  40 #define MIN(a, b) ((a) < (b) ? (a) : (b))
  41 #define MAX(a, b) ((a) > (b) ? (a) : (b))
  42
  43 static inline bool
  44 isl_is_pow2(uintmax_t n)
  45 {
  46    return !(n & (n - 1));
  47 }
  48
  49 /**
  50  * Alignment must be a power of 2.
  51  */
  52 static inline bool
  53 isl_is_aligned(uintmax_t n, uintmax_t a)
  54 {
  55    assert(isl_is_pow2(a));
  56    return (n & (a - 1)) == 0;
  57 }
  58
  59 /**
  60  * Alignment must be a power of 2.
  61  */
  62 static inline uintmax_t
  63 isl_align(uintmax_t n, uintmax_t a)
  64 {
  65    assert(a != 0 && isl_is_pow2(a));
  66    return (n + a - 1) & ~(a - 1);
  67 }
  68
  69 static inline uintmax_t
  70 isl_align_npot(uintmax_t n, uintmax_t a)
  71 {
  72    assert(a > 0);
  73    return ((n + a - 1) / a) * a;
  74 }
  75
  76 /**
  77  * Alignment must be a power of 2.
  78  */
  79 static inline uintmax_t
  80 isl_align_div(uintmax_t n, uintmax_t a)
  81 {
  82    return isl_align(n, a) / a;
  83 }
  84
  85 static inline uintmax_t
  86 isl_align_div_npot(uintmax_t n, uintmax_t a)
  87 {
  88    return isl_align_npot(n, a) / a;
  89 }
  90
  91 /**
  92  * Log base 2, rounding towards zero.
  93  */
  94 static inline uint32_t
  95 isl_log2u(uint32_t n)
  96 {
  97    assert(n != 0);
  98    return 31 - __builtin_clz(n);
  99 }
 100
 101 static inline uint32_t
 102 isl_minify(uint32_t n, uint32_t levels)
 103 {
 104    if (unlikely(n == 0))
 105       return 0;
 106    else
 107       return MAX(n >> levels, 1);
 108 }
 109
 110 static inline struct isl_extent3d
 111 isl_extent3d_sa_to_el(enum isl_format fmt, struct isl_extent3d extent_sa)
 112 {
 113    const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
 114
 115    assert(extent_sa.w % fmtl->bw == 0);
 116    assert(extent_sa.h % fmtl->bh == 0);
 117    assert(extent_sa.d % fmtl->bd == 0);
 118
 119    return (struct isl_extent3d) {
 120       .w = extent_sa.w / fmtl->bw,
 121       .h = extent_sa.h / fmtl->bh,
 122       .d = extent_sa.d / fmtl->bd,
 123    };
 124 }
 125
 126 static inline struct isl_extent3d
 127 isl_extent3d_el_to_sa(enum isl_format fmt, struct isl_extent3d extent_el)
 128 {
 129    const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
 130
 131    return (struct isl_extent3d) {
 132       .w = extent_el.w * fmtl->bw,
 133       .h = extent_el.h * fmtl->bh,
 134       .d = extent_el.d * fmtl->bd,
 135    };
 136 }
 137
 138 void
 139 isl_gen4_surf_fill_state_s(const struct isl_device *dev, void *state,
 140                            const struct isl_surf_fill_state_info *restrict info);
 141
 142 void
 143 isl_gen5_surf_fill_state_s(const struct isl_device *dev, void *state,
 144                            const struct isl_surf_fill_state_info *restrict info);
 145
 146 void
 147 isl_gen6_surf_fill_state_s(const struct isl_device *dev, void *state,
 148                            const struct isl_surf_fill_state_info *restrict info);
 149
 150 void
 151 isl_gen7_surf_fill_state_s(const struct isl_device *dev, void *state,
 152                            const struct isl_surf_fill_state_info *restrict info);
 153
 154 void
 155 isl_gen75_surf_fill_state_s(const struct isl_device *dev, void *state,
 156                             const struct isl_surf_fill_state_info *restrict info);
 157 void
 158 isl_gen8_surf_fill_state_s(const struct isl_device *dev, void *state,
 159                            const struct isl_surf_fill_state_info *restrict info);
 160 void
 161 isl_gen9_surf_fill_state_s(const struct isl_device *dev, void *state,
 162                            const struct isl_surf_fill_state_info *restrict info);
 163
 164 void
 165 isl_gen4_buffer_fill_state_s(void *state,
 166                              const struct isl_buffer_fill_state_info *restrict info);
 167
 168 void
 169 isl_gen5_buffer_fill_state_s(void *state,
 170                              const struct isl_buffer_fill_state_info *restrict info);
 171
 172 void
 173 isl_gen6_buffer_fill_state_s(void *state,
 174                              const struct isl_buffer_fill_state_info *restrict info);
 175
 176 void
 177 isl_gen7_buffer_fill_state_s(void *state,
 178                              const struct isl_buffer_fill_state_info *restrict info);
 179
 180 void
 181 isl_gen75_buffer_fill_state_s(void *state,
 182                               const struct isl_buffer_fill_state_info *restrict info);
 183
 184 void
 185 isl_gen8_buffer_fill_state_s(void *state,
 186                              const struct isl_buffer_fill_state_info *restrict info);
 187
 188 void
 189 isl_gen9_buffer_fill_state_s(void *state,
 190                              const struct isl_buffer_fill_state_info *restrict info);