From f1fe73d1909a2448a004a88362a1a532d0d4f7c3 Mon Sep 17 00:00:00 2001 From: sanine Date: Sun, 12 Feb 2023 23:53:22 -0600 Subject: switch to tinyobj and nanovg from assimp and cairo --- libs/pixman-0.40.0/pixman/pixman-utils.c | 330 ------------------------------- 1 file changed, 330 deletions(-) delete mode 100644 libs/pixman-0.40.0/pixman/pixman-utils.c (limited to 'libs/pixman-0.40.0/pixman/pixman-utils.c') diff --git a/libs/pixman-0.40.0/pixman/pixman-utils.c b/libs/pixman-0.40.0/pixman/pixman-utils.c deleted file mode 100644 index 2c2dddd..0000000 --- a/libs/pixman-0.40.0/pixman/pixman-utils.c +++ /dev/null @@ -1,330 +0,0 @@ -/* - * Copyright © 2000 SuSE, Inc. - * Copyright © 1999 Keith Packard - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of SuSE not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. SuSE makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE - * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Keith Packard, SuSE, Inc. - */ - -#ifdef HAVE_CONFIG_H -#include -#endif -#include -#include - -#include "pixman-private.h" - -pixman_bool_t -_pixman_multiply_overflows_size (size_t a, size_t b) -{ - return a >= SIZE_MAX / b; -} - -pixman_bool_t -_pixman_multiply_overflows_int (unsigned int a, unsigned int b) -{ - return a >= INT32_MAX / b; -} - -pixman_bool_t -_pixman_addition_overflows_int (unsigned int a, unsigned int b) -{ - return a > INT32_MAX - b; -} - -void * -pixman_malloc_ab_plus_c (unsigned int a, unsigned int b, unsigned int c) -{ - if (!b || a >= INT32_MAX / b || (a * b) > INT32_MAX - c) - return NULL; - - return malloc (a * b + c); -} - -void * -pixman_malloc_ab (unsigned int a, - unsigned int b) -{ - if (a >= INT32_MAX / b) - return NULL; - - return malloc (a * b); -} - -void * -pixman_malloc_abc (unsigned int a, - unsigned int b, - unsigned int c) -{ - if (a >= INT32_MAX / b) - return NULL; - else if (a * b >= INT32_MAX / c) - return NULL; - else - return malloc (a * b * c); -} - -static force_inline uint16_t -float_to_unorm (float f, int n_bits) -{ - uint32_t u; - - if (f > 1.0) - f = 1.0; - if (f < 0.0) - f = 0.0; - - u = f * (1 << n_bits); - u -= (u >> n_bits); - - return u; -} - -static force_inline float -unorm_to_float (uint16_t u, int n_bits) -{ - uint32_t m = ((1 << n_bits) - 1); - - return (u & m) * (1.f / (float)m); -} - -/* - * This function expands images from a8r8g8b8 to argb_t. To preserve - * precision, it needs to know from which source format the a8r8g8b8 pixels - * originally came. - * - * For example, if the source was PIXMAN_x1r5g5b5 and the red component - * contained bits 12345, then the 8-bit value is 12345123. To correctly - * expand this to floating point, it should be 12345 / 31.0 and not - * 12345123 / 255.0. - */ -void -pixman_expand_to_float (argb_t *dst, - const uint32_t *src, - pixman_format_code_t format, - int width) -{ - static const float multipliers[16] = { - 0.0f, - 1.0f / ((1 << 1) - 1), - 1.0f / ((1 << 2) - 1), - 1.0f / ((1 << 3) - 1), - 1.0f / ((1 << 4) - 1), - 1.0f / ((1 << 5) - 1), - 1.0f / ((1 << 6) - 1), - 1.0f / ((1 << 7) - 1), - 1.0f / ((1 << 8) - 1), - 1.0f / ((1 << 9) - 1), - 1.0f / ((1 << 10) - 1), - 1.0f / ((1 << 11) - 1), - 1.0f / ((1 << 12) - 1), - 1.0f / ((1 << 13) - 1), - 1.0f / ((1 << 14) - 1), - 1.0f / ((1 << 15) - 1), - }; - int a_size, r_size, g_size, b_size; - int a_shift, r_shift, g_shift, b_shift; - float a_mul, r_mul, g_mul, b_mul; - uint32_t a_mask, r_mask, g_mask, b_mask; - int i; - - if (!PIXMAN_FORMAT_VIS (format)) - format = PIXMAN_a8r8g8b8; - - /* - * Determine the sizes of each component and the masks and shifts - * required to extract them from the source pixel. - */ - a_size = PIXMAN_FORMAT_A (format); - r_size = PIXMAN_FORMAT_R (format); - g_size = PIXMAN_FORMAT_G (format); - b_size = PIXMAN_FORMAT_B (format); - - a_shift = 32 - a_size; - r_shift = 24 - r_size; - g_shift = 16 - g_size; - b_shift = 8 - b_size; - - a_mask = ((1 << a_size) - 1); - r_mask = ((1 << r_size) - 1); - g_mask = ((1 << g_size) - 1); - b_mask = ((1 << b_size) - 1); - - a_mul = multipliers[a_size]; - r_mul = multipliers[r_size]; - g_mul = multipliers[g_size]; - b_mul = multipliers[b_size]; - - /* Start at the end so that we can do the expansion in place - * when src == dst - */ - for (i = width - 1; i >= 0; i--) - { - const uint32_t pixel = src[i]; - - dst[i].a = a_mask? ((pixel >> a_shift) & a_mask) * a_mul : 1.0f; - dst[i].r = ((pixel >> r_shift) & r_mask) * r_mul; - dst[i].g = ((pixel >> g_shift) & g_mask) * g_mul; - dst[i].b = ((pixel >> b_shift) & b_mask) * b_mul; - } -} - -uint16_t -pixman_float_to_unorm (float f, int n_bits) -{ - return float_to_unorm (f, n_bits); -} - -float -pixman_unorm_to_float (uint16_t u, int n_bits) -{ - return unorm_to_float (u, n_bits); -} - -void -pixman_contract_from_float (uint32_t *dst, - const argb_t *src, - int width) -{ - int i; - - for (i = 0; i < width; ++i) - { - uint32_t a, r, g, b; - - a = float_to_unorm (src[i].a, 8); - r = float_to_unorm (src[i].r, 8); - g = float_to_unorm (src[i].g, 8); - b = float_to_unorm (src[i].b, 8); - - dst[i] = (a << 24) | (r << 16) | (g << 8) | (b << 0); - } -} - -uint32_t * -_pixman_iter_get_scanline_noop (pixman_iter_t *iter, const uint32_t *mask) -{ - return iter->buffer; -} - -void -_pixman_iter_init_bits_stride (pixman_iter_t *iter, const pixman_iter_info_t *info) -{ - pixman_image_t *image = iter->image; - uint8_t *b = (uint8_t *)image->bits.bits; - int s = image->bits.rowstride * 4; - - iter->bits = b + s * iter->y + iter->x * PIXMAN_FORMAT_BPP (info->format) / 8; - iter->stride = s; -} - -#define N_TMP_BOXES (16) - -pixman_bool_t -pixman_region16_copy_from_region32 (pixman_region16_t *dst, - pixman_region32_t *src) -{ - int n_boxes, i; - pixman_box32_t *boxes32; - pixman_box16_t *boxes16; - pixman_bool_t retval; - - boxes32 = pixman_region32_rectangles (src, &n_boxes); - - boxes16 = pixman_malloc_ab (n_boxes, sizeof (pixman_box16_t)); - - if (!boxes16) - return FALSE; - - for (i = 0; i < n_boxes; ++i) - { - boxes16[i].x1 = boxes32[i].x1; - boxes16[i].y1 = boxes32[i].y1; - boxes16[i].x2 = boxes32[i].x2; - boxes16[i].y2 = boxes32[i].y2; - } - - pixman_region_fini (dst); - retval = pixman_region_init_rects (dst, boxes16, n_boxes); - free (boxes16); - return retval; -} - -pixman_bool_t -pixman_region32_copy_from_region16 (pixman_region32_t *dst, - pixman_region16_t *src) -{ - int n_boxes, i; - pixman_box16_t *boxes16; - pixman_box32_t *boxes32; - pixman_box32_t tmp_boxes[N_TMP_BOXES]; - pixman_bool_t retval; - - boxes16 = pixman_region_rectangles (src, &n_boxes); - - if (n_boxes > N_TMP_BOXES) - boxes32 = pixman_malloc_ab (n_boxes, sizeof (pixman_box32_t)); - else - boxes32 = tmp_boxes; - - if (!boxes32) - return FALSE; - - for (i = 0; i < n_boxes; ++i) - { - boxes32[i].x1 = boxes16[i].x1; - boxes32[i].y1 = boxes16[i].y1; - boxes32[i].x2 = boxes16[i].x2; - boxes32[i].y2 = boxes16[i].y2; - } - - pixman_region32_fini (dst); - retval = pixman_region32_init_rects (dst, boxes32, n_boxes); - - if (boxes32 != tmp_boxes) - free (boxes32); - - return retval; -} - -/* This function is exported for the sake of the test suite and not part - * of the ABI. - */ -PIXMAN_EXPORT pixman_implementation_t * -_pixman_internal_only_get_implementation (void) -{ - return get_implementation (); -} - -void -_pixman_log_error (const char *function, const char *message) -{ - static int n_messages = 0; - - if (n_messages < 10) - { - fprintf (stderr, - "*** BUG ***\n" - "In %s: %s\n" - "Set a breakpoint on '_pixman_log_error' to debug\n\n", - function, message); - - n_messages++; - } -} -- cgit v1.2.1