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IABSD.fr/xenocara/lib/pixman/test/solid-test.c
matthieu
- lib/pixman/test/solid-test.c
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/* * Copyright © 2015 RISC OS Open Ltd * * 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 the copyright holders not be used in * advertising or publicity pertaining to distribution of the software without * specific, written prior permission. The copyright holders make no * representations about the suitability of this software for any purpose. It * is provided "as is" without express or implied warranty. * * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS 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: Ben Avison (bavison@riscosopen.org) * */ #include "utils.h" #include <stdlib.h> #include <stdint.h> #include <stdio.h> #define WIDTH 32 #define HEIGHT 32 static const pixman_op_t op_list[] = { PIXMAN_OP_SRC, PIXMAN_OP_OVER, PIXMAN_OP_ADD, PIXMAN_OP_CLEAR, PIXMAN_OP_SRC, PIXMAN_OP_DST, PIXMAN_OP_OVER, PIXMAN_OP_OVER_REVERSE, PIXMAN_OP_IN, PIXMAN_OP_IN_REVERSE, PIXMAN_OP_OUT, PIXMAN_OP_OUT_REVERSE, PIXMAN_OP_ATOP, PIXMAN_OP_ATOP_REVERSE, PIXMAN_OP_XOR, PIXMAN_OP_ADD, PIXMAN_OP_MULTIPLY, PIXMAN_OP_SCREEN, PIXMAN_OP_OVERLAY, PIXMAN_OP_DARKEN, PIXMAN_OP_LIGHTEN, PIXMAN_OP_HARD_LIGHT, PIXMAN_OP_DIFFERENCE, PIXMAN_OP_EXCLUSION, #if 0 /* these use floating point math and are not always bitexact on different platforms */ PIXMAN_OP_SATURATE, PIXMAN_OP_DISJOINT_CLEAR, PIXMAN_OP_DISJOINT_SRC, PIXMAN_OP_DISJOINT_DST, PIXMAN_OP_DISJOINT_OVER, PIXMAN_OP_DISJOINT_OVER_REVERSE, PIXMAN_OP_DISJOINT_IN, PIXMAN_OP_DISJOINT_IN_REVERSE, PIXMAN_OP_DISJOINT_OUT, PIXMAN_OP_DISJOINT_OUT_REVERSE, PIXMAN_OP_DISJOINT_ATOP, PIXMAN_OP_DISJOINT_ATOP_REVERSE, PIXMAN_OP_DISJOINT_XOR, PIXMAN_OP_CONJOINT_CLEAR, PIXMAN_OP_CONJOINT_SRC, PIXMAN_OP_CONJOINT_DST, PIXMAN_OP_CONJOINT_OVER, PIXMAN_OP_CONJOINT_OVER_REVERSE, PIXMAN_OP_CONJOINT_IN, PIXMAN_OP_CONJOINT_IN_REVERSE, PIXMAN_OP_CONJOINT_OUT, PIXMAN_OP_CONJOINT_OUT_REVERSE, PIXMAN_OP_CONJOINT_ATOP, PIXMAN_OP_CONJOINT_ATOP_REVERSE, PIXMAN_OP_CONJOINT_XOR, PIXMAN_OP_COLOR_DODGE, PIXMAN_OP_COLOR_BURN, PIXMAN_OP_SOFT_LIGHT, PIXMAN_OP_HSL_HUE, PIXMAN_OP_HSL_SATURATION, PIXMAN_OP_HSL_COLOR, PIXMAN_OP_HSL_LUMINOSITY, #endif }; /* The first eight format in the list are by far the most widely * used formats, so we test those more than the others */ #define N_MOST_LIKELY_FORMATS 8 static const pixman_format_code_t img_fmt_list[] = { PIXMAN_a8r8g8b8, PIXMAN_a8b8g8r8, PIXMAN_x8r8g8b8, PIXMAN_x8b8g8r8, PIXMAN_r5g6b5, PIXMAN_b5g6r5, PIXMAN_a8, PIXMAN_a1, PIXMAN_r3g3b2, PIXMAN_b8g8r8a8, PIXMAN_b8g8r8x8, PIXMAN_r8g8b8a8, PIXMAN_r8g8b8x8, PIXMAN_x14r6g6b6, PIXMAN_r8g8b8, PIXMAN_b8g8r8, #if 0 /* These are going to use floating point in the near future */ PIXMAN_x2r10g10b10, PIXMAN_a2r10g10b10, PIXMAN_x2b10g10r10, PIXMAN_a2b10g10r10, #endif PIXMAN_a1r5g5b5, PIXMAN_x1r5g5b5, PIXMAN_a1b5g5r5, PIXMAN_x1b5g5r5, PIXMAN_a4r4g4b4, PIXMAN_x4r4g4b4, PIXMAN_a4b4g4r4, PIXMAN_x4b4g4r4, PIXMAN_r3g3b2, PIXMAN_b2g3r3, PIXMAN_a2r2g2b2, PIXMAN_a2b2g2r2, PIXMAN_c8, PIXMAN_g8, PIXMAN_x4c4, PIXMAN_x4g4, PIXMAN_c4, PIXMAN_g4, PIXMAN_g1, PIXMAN_x4a4, PIXMAN_a4, PIXMAN_r1g2b1, PIXMAN_b1g2r1, PIXMAN_a1r1g1b1, PIXMAN_a1b1g1r1, PIXMAN_null }; static const pixman_format_code_t mask_fmt_list[] = { PIXMAN_a8r8g8b8, PIXMAN_a8, PIXMAN_a4, PIXMAN_a1, PIXMAN_null }; static pixman_indexed_t rgb_palette[9]; static pixman_indexed_t y_palette[9]; static pixman_format_code_t random_format (const pixman_format_code_t *allowed_formats) { int n = 0; while (allowed_formats[n] != PIXMAN_null) n++; if (n > N_MOST_LIKELY_FORMATS && prng_rand_n (4) != 0) n = N_MOST_LIKELY_FORMATS; return allowed_formats[prng_rand_n (n)]; } static pixman_image_t * create_multi_pixel_image (const pixman_format_code_t *allowed_formats, uint32_t *buffer, pixman_format_code_t *used_fmt) { pixman_format_code_t fmt; pixman_image_t *img; int stride; fmt = random_format (allowed_formats); stride = (WIDTH * PIXMAN_FORMAT_BPP (fmt) + 31) / 32 * 4; img = pixman_image_create_bits (fmt, WIDTH, HEIGHT, buffer, stride); if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_COLOR) pixman_image_set_indexed (img, &(rgb_palette[PIXMAN_FORMAT_BPP (fmt)])); else if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_GRAY) pixman_image_set_indexed (img, &(y_palette[PIXMAN_FORMAT_BPP (fmt)])); prng_randmemset (buffer, WIDTH * HEIGHT * 4, 0); image_endian_swap (img); if (used_fmt) *used_fmt = fmt; return img; } static pixman_image_t * create_solid_image (const pixman_format_code_t *allowed_formats, uint32_t *buffer, pixman_format_code_t *used_fmt) { if (prng_rand_n (2)) { /* Use a repeating 1x1 bitmap image for solid */ pixman_format_code_t fmt; pixman_image_t *img, *dummy_img; uint32_t bpp, dummy_buf; fmt = random_format (allowed_formats); bpp = PIXMAN_FORMAT_BPP (fmt); img = pixman_image_create_bits (fmt, 1, 1, buffer, 4); pixman_image_set_repeat (img, PIXMAN_REPEAT_NORMAL); if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_COLOR) pixman_image_set_indexed (img, &(rgb_palette[bpp])); else if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_GRAY) pixman_image_set_indexed (img, &(y_palette[bpp])); /* Force the flags to be calculated for image with initial * bitmap contents of 0 or 2^bpp-1 by plotting from it into a * separate throwaway image. It is simplest to write all 0s * or all 1s to the first word irrespective of the colour * depth even though we actually only care about the first * pixel since the stride has to be a whole number of words. */ *buffer = prng_rand_n (2) ? 0xFFFFFFFFu : 0; dummy_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, 1, 1, &dummy_buf, 4); pixman_image_composite (PIXMAN_OP_SRC, img, NULL, dummy_img, 0, 0, 0, 0, 0, 0, 1, 1); pixman_image_unref (dummy_img); /* Now set the bitmap contents to a random value */ prng_randmemset (buffer, 4, 0); image_endian_swap (img); if (used_fmt) *used_fmt = fmt; return img; } else { /* Use a native solid image */ pixman_color_t color; pixman_image_t *img; color.alpha = prng_rand_n (UINT16_MAX + 1); color.red = prng_rand_n (UINT16_MAX + 1); color.green = prng_rand_n (UINT16_MAX + 1); color.blue = prng_rand_n (UINT16_MAX + 1); img = pixman_image_create_solid_fill (&color); if (used_fmt) *used_fmt = PIXMAN_solid; return img; } } static uint32_t test_solid (int testnum, int verbose) { pixman_op_t op; uint32_t src_buf[WIDTH * HEIGHT]; uint32_t dst_buf[WIDTH * HEIGHT]; uint32_t mask_buf[WIDTH * HEIGHT]; pixman_image_t *src_img; pixman_image_t *dst_img; pixman_image_t *mask_img = NULL; pixman_format_code_t src_fmt, dst_fmt, mask_fmt = PIXMAN_null; pixman_bool_t ca = 0; uint32_t crc32; prng_srand (testnum); op = op_list[prng_rand_n (ARRAY_LENGTH (op_list))]; dst_img = create_multi_pixel_image (img_fmt_list, dst_buf, &dst_fmt); switch (prng_rand_n (3)) { case 0: /* Solid source, no mask */ src_img = create_solid_image (img_fmt_list, src_buf, &src_fmt); break; case 1: /* Solid source, bitmap mask */ src_img = create_solid_image (img_fmt_list, src_buf, &src_fmt); mask_img = create_multi_pixel_image (mask_fmt_list, mask_buf, &mask_fmt); break; case 2: /* Bitmap image, solid mask */ src_img = create_multi_pixel_image (img_fmt_list, src_buf, &src_fmt); mask_img = create_solid_image (mask_fmt_list, mask_buf, &mask_fmt); break; default: abort (); } if (mask_img) { ca = prng_rand_n (2); pixman_image_set_component_alpha (mask_img, ca); } if (verbose) { printf ("op=%s\n", operator_name (op)); printf ("src_fmt=%s, dst_fmt=%s, mask_fmt=%s\n", format_name (src_fmt), format_name (dst_fmt), format_name (mask_fmt)); printf ("src_size=%u, mask_size=%u, component_alpha=%u\n", src_fmt == PIXMAN_solid ? 1 : src_img->bits.width, !mask_img || mask_fmt == PIXMAN_solid ? 1 : mask_img->bits.width, ca); } pixman_image_composite (op, src_img, mask_img, dst_img, 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); if (verbose) print_image (dst_img); crc32 = compute_crc32_for_image (0, dst_img); pixman_image_unref (src_img); pixman_image_unref (dst_img); if (mask_img) pixman_image_unref (mask_img); return crc32; } int main (int argc, const char *argv[]) { int i; prng_srand (0); for (i = 1; i <= 8; i++) { initialize_palette (&(rgb_palette[i]), i, TRUE); initialize_palette (&(y_palette[i]), i, FALSE); } return fuzzer_test_main ("solid", 500000, 0xC30FD380, test_solid, argc, argv); }