switch to tinyobj and nanovg from assimp and cairo

1 files changed, 0 insertions, 311 deletions

diff --git a/libs/pixman-0.40.0/test/utils-prng.c b/libs/pixman-0.40.0/test/utils-prng.c
deleted file mode 100644
index 0cf53dd..0000000
--- a/libs/pixman-0.40.0/test/utils-prng.c
+++ /dev/null
@@ -1,311 +0,0 @@
-/*
- * Copyright © 2012 Siarhei Siamashka <siarhei.siamashka@gmail.com>
- *
- * Based on the public domain implementation of small noncryptographic PRNG
- * authored by Bob Jenkins: http://burtleburtle.net/bob/rand/smallprng.html
- *
- * 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.
- */
-
-#include "utils.h"
-#include "utils-prng.h"
-
-#if defined(HAVE_GCC_VECTOR_EXTENSIONS) && defined(__SSE2__)
-#include <xmmintrin.h>
-#endif
-
-void smallprng_srand_r (smallprng_t *x, uint32_t seed)
-{
-    uint32_t i;
-    x->a = 0xf1ea5eed, x->b = x->c = x->d = seed;
-    for (i = 0; i < 20; ++i)
-        smallprng_rand_r (x);
-}
-
-/*
- * Set a 32-bit seed for PRNG
- *
- * LCG is used here for generating independent seeds for different
- * smallprng instances (in the case if smallprng is also used for
- * generating these seeds, "Big Crush" test from TestU01 detects
- * some problems in the glued 'prng_rand_128_r' output data).
- * Actually we might be even better using some cryptographic
- * hash for this purpose, but LCG seems to be also enough for
- * passing "Big Crush".
- */
-void prng_srand_r (prng_t *x, uint32_t seed)
-{
-#ifdef HAVE_GCC_VECTOR_EXTENSIONS
-    int i;
-    prng_rand_128_data_t dummy;
-    smallprng_srand_r (&x->p0, seed);
-    x->a[0] = x->a[1] = x->a[2] = x->a[3] = 0xf1ea5eed;
-    x->b[0] = x->c[0] = x->d[0] = (seed = seed * 1103515245 + 12345);
-    x->b[1] = x->c[1] = x->d[1] = (seed = seed * 1103515245 + 12345);
-    x->b[2] = x->c[2] = x->d[2] = (seed = seed * 1103515245 + 12345);
-    x->b[3] = x->c[3] = x->d[3] = (seed = seed * 1103515245 + 12345);
-    for (i = 0; i < 20; ++i)
-        prng_rand_128_r (x, &dummy);
-#else
-    smallprng_srand_r (&x->p0, seed);
-    smallprng_srand_r (&x->p1, (seed = seed * 1103515245 + 12345));
-    smallprng_srand_r (&x->p2, (seed = seed * 1103515245 + 12345));
-    smallprng_srand_r (&x->p3, (seed = seed * 1103515245 + 12345));
-    smallprng_srand_r (&x->p4, (seed = seed * 1103515245 + 12345));
-#endif
-}
-
-static force_inline void
-store_rand_128_data (void *addr, prng_rand_128_data_t *d, int aligned)
-{
-#ifdef HAVE_GCC_VECTOR_EXTENSIONS
-    if (aligned)
-    {
-        *(uint8x16 *)addr = d->vb;
-        return;
-    }
-    else
-    {
-#ifdef __SSE2__
-        /* workaround for http://gcc.gnu.org/PR55614 */
-        _mm_storeu_si128 (addr, _mm_loadu_si128 ((__m128i *)d));
-        return;
-#endif
-    }
-#endif
-    /* we could try something better for unaligned writes (packed attribute),
-     * but GCC is not very reliable: http://gcc.gnu.org/PR55454 */
-    memcpy (addr, d, 16);
-}
-
-/*
- * Helper function and the actual code for "prng_randmemset_r" function
- */
-static force_inline void
-randmemset_internal (prng_t                  *prng,
-                     uint8_t                 *buf,
-                     size_t                   size,
-                     prng_randmemset_flags_t  flags,
-                     int                      aligned)
-{
-    prng_t local_prng = *prng;
-    prng_rand_128_data_t randdata;
-    size_t i;
-
-    while (size >= 16)
-    {
-        prng_rand_128_data_t t;
-        if (flags == 0)
-        {
-            prng_rand_128_r (&local_prng, &randdata);
-        }
-        else
-        {
-            prng_rand_128_r (&local_prng, &t);
-            prng_rand_128_r (&local_prng, &randdata);
-#ifdef HAVE_GCC_VECTOR_EXTENSIONS
-            if (flags & RANDMEMSET_MORE_FF)
-            {
-                const uint8x16 const_C0 =
-                {
-                    0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0,
-                    0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0
-                };
-                randdata.vb |= (t.vb >= const_C0);
-            }
-            if (flags & RANDMEMSET_MORE_00)
-            {
-                const uint8x16 const_40 =
-                {
-                    0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,
-                    0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40
-                };
-                randdata.vb &= (t.vb >= const_40);
-            }
-            if (flags & RANDMEMSET_MORE_FFFFFFFF)
-            {
-                const uint32x4 const_C0000000 =
-                {
-                    0xC0000000, 0xC0000000, 0xC0000000, 0xC0000000
-                };
-                randdata.vw |= ((t.vw << 30) >= const_C0000000);
-            }
-            if (flags & RANDMEMSET_MORE_00000000)
-            {
-                const uint32x4 const_40000000 =
-                {
-                    0x40000000, 0x40000000, 0x40000000, 0x40000000
-                };
-                randdata.vw &= ((t.vw << 30) >= const_40000000);
-            }
-#else
-            #define PROCESS_ONE_LANE(i)                                       \
-                if (flags & RANDMEMSET_MORE_FF)                               \
-                {                                                             \
-                    uint32_t mask_ff = (t.w[i] & (t.w[i] << 1)) & 0x80808080; \
-                    mask_ff |= mask_ff >> 1;                                  \
-                    mask_ff |= mask_ff >> 2;                                  \
-                    mask_ff |= mask_ff >> 4;                                  \
-                    randdata.w[i] |= mask_ff;                                 \
-                }                                                             \
-                if (flags & RANDMEMSET_MORE_00)                               \
-                {                                                             \
-                    uint32_t mask_00 = (t.w[i] | (t.w[i] << 1)) & 0x80808080; \
-                    mask_00 |= mask_00 >> 1;                                  \
-                    mask_00 |= mask_00 >> 2;                                  \
-                    mask_00 |= mask_00 >> 4;                                  \
-                    randdata.w[i] &= mask_00;                                 \
-                }                                                             \
-                if (flags & RANDMEMSET_MORE_FFFFFFFF)                         \
-                {                                                             \
-                    int32_t mask_ff = ((t.w[i] << 30) & (t.w[i] << 31)) &     \
-                                       0x80000000;                            \
-                    randdata.w[i] |= mask_ff >> 31;                           \
-                }                                                             \
-                if (flags & RANDMEMSET_MORE_00000000)                         \
-                {                                                             \
-                    int32_t mask_00 = ((t.w[i] << 30) | (t.w[i] << 31)) &     \
-                                       0x80000000;                            \
-                    randdata.w[i] &= mask_00 >> 31;                           \
-                }
-
-            PROCESS_ONE_LANE (0)
-            PROCESS_ONE_LANE (1)
-            PROCESS_ONE_LANE (2)
-            PROCESS_ONE_LANE (3)
-#endif
-        }
-        if (is_little_endian ())
-        {
-            store_rand_128_data (buf, &randdata, aligned);
-            buf += 16;
-        }
-        else
-        {
-
-#ifndef __has_builtin
-#define __has_builtin(x) 0
-#endif
-
-#ifdef HAVE_GCC_VECTOR_EXTENSIONS
-# if __has_builtin(__builtin_shufflevector)
-            randdata.vb =
-                __builtin_shufflevector (randdata.vb, randdata.vb,
-                                          3,  2,  1,  0,  7,  6 , 5,  4,
-                                         11, 10,  9,  8, 15, 14, 13, 12);
-# else
-            static const uint8x16 bswap_shufflemask =
-            {
-                3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12
-            };
-            randdata.vb = __builtin_shuffle (randdata.vb, bswap_shufflemask);
-# endif
-
-            store_rand_128_data (buf, &randdata, aligned);
-            buf += 16;
-#else
-            uint8_t t1, t2, t3, t4;
-            #define STORE_ONE_LANE(i)                                         \
-                t1 = randdata.b[i * 4 + 3];                                   \
-                t2 = randdata.b[i * 4 + 2];                                   \
-                t3 = randdata.b[i * 4 + 1];                                   \
-                t4 = randdata.b[i * 4 + 0];                                   \
-                *buf++ = t1;                                                  \
-                *buf++ = t2;                                                  \
-                *buf++ = t3;                                                  \
-                *buf++ = t4;
-
-            STORE_ONE_LANE (0)
-            STORE_ONE_LANE (1)
-            STORE_ONE_LANE (2)
-            STORE_ONE_LANE (3)
-#endif
-        }
-        size -= 16;
-    }
-    i = 0;
-    while (i < size)
-    {
-        uint8_t randbyte = prng_rand_r (&local_prng) & 0xFF;
-        if (flags != 0)
-        {
-            uint8_t t = prng_rand_r (&local_prng) & 0xFF;
-            if ((flags & RANDMEMSET_MORE_FF) && (t >= 0xC0))
-                randbyte = 0xFF;
-            if ((flags & RANDMEMSET_MORE_00) && (t < 0x40))
-                randbyte = 0x00;
-            if (i % 4 == 0 && i + 4 <= size)
-            {
-                t = prng_rand_r (&local_prng) & 0xFF;
-                if ((flags & RANDMEMSET_MORE_FFFFFFFF) && (t >= 0xC0))
-                {
-                    memset(&buf[i], 0xFF, 4);
-                    i += 4;
-                    continue;
-                }
-                if ((flags & RANDMEMSET_MORE_00000000) && (t < 0x40))
-                {
-                    memset(&buf[i], 0x00, 4);
-                    i += 4;
-                    continue;
-                }
-            }
-        }
-        buf[i] = randbyte;
-        i++;
-    }
-    *prng = local_prng;
-}
-
-/*
- * Fill memory buffer with random data. Flags argument may be used
- * to tweak some statistics properties:
- *    RANDMEMSET_MORE_00        - set ~25% of bytes to 0x00
- *    RANDMEMSET_MORE_FF        - set ~25% of bytes to 0xFF
- *    RANDMEMSET_MORE_00000000  - ~25% chance for 00000000 4-byte clusters
- *    RANDMEMSET_MORE_FFFFFFFF  - ~25% chance for FFFFFFFF 4-byte clusters
- */
-void prng_randmemset_r (prng_t                  *prng,
-                        void                    *voidbuf,
-                        size_t                   size,
-                        prng_randmemset_flags_t  flags)
-{
-    uint8_t *buf = (uint8_t *)voidbuf;
-    if ((uintptr_t)buf & 15)
-    {
-        /* unaligned buffer */
-        if (flags == 0)
-            randmemset_internal (prng, buf, size, 0, 0);
-        else if (flags == RANDMEMSET_MORE_00_AND_FF)
-            randmemset_internal (prng, buf, size, RANDMEMSET_MORE_00_AND_FF, 0);
-        else
-            randmemset_internal (prng, buf, size, flags, 0);
-    }
-    else
-    {
-        /* aligned buffer */
-        if (flags == 0)
-            randmemset_internal (prng, buf, size, 0, 1);
-        else if (flags == RANDMEMSET_MORE_00_AND_FF)
-            randmemset_internal (prng, buf, size, RANDMEMSET_MORE_00_AND_FF, 1);
-        else
-            randmemset_internal (prng, buf, size, flags, 1);
-    }
-}