268 lines
7.8 KiB
C
268 lines
7.8 KiB
C
/*
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* Copyright © 2013 Soeren Sandmann
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* Copyright © 2013 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h> /* abort() */
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#include <math.h>
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#include <time.h>
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#include "utils.h"
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typedef struct pixel_combination_t pixel_combination_t;
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struct pixel_combination_t
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{
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pixman_op_t op;
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pixman_format_code_t src_format;
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uint32_t src_pixel;
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pixman_format_code_t dest_format;
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uint32_t dest_pixel;
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};
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static const pixel_combination_t regressions[] =
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{
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{ PIXMAN_OP_OVER,
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PIXMAN_a8r8g8b8, 0x0f00c300,
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PIXMAN_x14r6g6b6, 0x003c0,
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},
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{ PIXMAN_OP_DISJOINT_XOR,
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PIXMAN_a4r4g4b4, 0xd0c0,
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PIXMAN_a8r8g8b8, 0x5300ea00,
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},
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{ PIXMAN_OP_OVER,
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PIXMAN_a8r8g8b8, 0x20c6bf00,
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PIXMAN_r5g6b5, 0xb9ff
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},
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{ PIXMAN_OP_OVER,
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PIXMAN_a8r8g8b8, 0x204ac7ff,
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PIXMAN_r5g6b5, 0xc1ff
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},
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{ PIXMAN_OP_OVER_REVERSE,
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PIXMAN_r5g6b5, 0xffc3,
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PIXMAN_a8r8g8b8, 0x102d00dd
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},
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{ PIXMAN_OP_OVER_REVERSE,
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PIXMAN_r5g6b5, 0x1f00,
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PIXMAN_a8r8g8b8, 0x1bdf0c89
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},
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{ PIXMAN_OP_OVER_REVERSE,
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PIXMAN_r5g6b5, 0xf9d2,
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PIXMAN_a8r8g8b8, 0x1076bcf7
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},
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{ PIXMAN_OP_OVER_REVERSE,
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PIXMAN_r5g6b5, 0x00c3,
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PIXMAN_a8r8g8b8, 0x1bfe9ae5
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},
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{ PIXMAN_OP_OVER_REVERSE,
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PIXMAN_r5g6b5, 0x09ff,
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PIXMAN_a8r8g8b8, 0x0b00c16c
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},
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{ PIXMAN_OP_DISJOINT_ATOP,
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PIXMAN_a2r2g2b2, 0xbc,
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PIXMAN_a8r8g8b8, 0x9efff1ff
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},
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{ PIXMAN_OP_DISJOINT_ATOP,
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PIXMAN_a4r4g4b4, 0xae5f,
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PIXMAN_a8r8g8b8, 0xf215b675
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},
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{ PIXMAN_OP_DISJOINT_ATOP_REVERSE,
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PIXMAN_a8r8g8b8, 0xce007980,
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PIXMAN_a8r8g8b8, 0x80ffe4ad
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},
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{ PIXMAN_OP_DISJOINT_XOR,
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PIXMAN_a8r8g8b8, 0xb8b07bea,
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PIXMAN_a4r4g4b4, 0x939c
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},
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{ PIXMAN_OP_CONJOINT_ATOP_REVERSE,
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PIXMAN_r5g6b5, 0x0063,
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PIXMAN_a8r8g8b8, 0x10bb1ed7,
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},
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};
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static void
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fill (pixman_image_t *image, uint32_t pixel)
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{
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uint8_t *data = (uint8_t *)pixman_image_get_data (image);
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int bytes_per_pixel = PIXMAN_FORMAT_BPP (pixman_image_get_format (image)) / 8;
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int n_bytes = pixman_image_get_stride (image) * pixman_image_get_height (image);
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int i;
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switch (bytes_per_pixel)
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{
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case 4:
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for (i = 0; i < n_bytes / 4; ++i)
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((uint32_t *)data)[i] = pixel;
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break;
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case 2:
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pixel &= 0xffff;
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for (i = 0; i < n_bytes / 2; ++i)
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((uint16_t *)data)[i] = pixel;
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break;
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case 1:
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pixel &= 0xff;
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for (i = 0; i < n_bytes; ++i)
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((uint8_t *)data)[i] = pixel;
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break;
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default:
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assert (0);
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break;
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}
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}
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static uint32_t
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access (pixman_image_t *image, int x, int y)
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{
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int bytes_per_pixel;
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int stride;
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uint32_t result;
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uint8_t *location;
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if (x < 0 || x >= image->bits.width || y < 0 || y >= image->bits.height)
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return 0;
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bytes_per_pixel = PIXMAN_FORMAT_BPP (image->bits.format) / 8;
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stride = image->bits.rowstride * 4;
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location = (uint8_t *)image->bits.bits + y * stride + x * bytes_per_pixel;
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if (bytes_per_pixel == 4)
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result = *(uint32_t *)location;
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else if (bytes_per_pixel == 2)
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result = *(uint16_t *)location;
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else if (bytes_per_pixel == 1)
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result = *(uint8_t *)location;
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else
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assert (0);
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return result;
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}
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static pixman_bool_t
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verify (int test_no, const pixel_combination_t *combination, int size)
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{
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pixman_image_t *src, *dest;
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pixel_checker_t src_checker, dest_checker;
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color_t source_color, dest_color, reference_color;
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pixman_bool_t result = TRUE;
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int i, j;
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/* Compute reference color */
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pixel_checker_init (&src_checker, combination->src_format);
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pixel_checker_init (&dest_checker, combination->dest_format);
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pixel_checker_convert_pixel_to_color (
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&src_checker, combination->src_pixel, &source_color);
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pixel_checker_convert_pixel_to_color (
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&dest_checker, combination->dest_pixel, &dest_color);
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do_composite (combination->op,
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&source_color, NULL, &dest_color,
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&reference_color, FALSE);
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src = pixman_image_create_bits (
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combination->src_format, size, size, NULL, -1);
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dest = pixman_image_create_bits (
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combination->dest_format, size, size, NULL, -1);
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fill (src, combination->src_pixel);
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fill (dest, combination->dest_pixel);
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pixman_image_composite32 (
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combination->op, src, NULL, dest, 0, 0, 0, 0, 0, 0, size, size);
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for (j = 0; j < size; ++j)
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{
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for (i = 0; i < size; ++i)
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{
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uint32_t computed = access (dest, i, j);
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int32_t a, r, g, b;
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if (!pixel_checker_check (&dest_checker, computed, &reference_color))
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{
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printf ("----------- Test %d failed ----------\n", test_no);
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printf (" operator: %s\n", operator_name (combination->op));
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printf (" src format: %s\n", format_name (combination->src_format));
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printf (" dest format: %s\n", format_name (combination->dest_format));
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printf (" - source ARGB: %f %f %f %f (pixel: %8x)\n",
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source_color.a, source_color.r, source_color.g, source_color.b,
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combination->src_pixel);
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pixel_checker_split_pixel (&src_checker, combination->src_pixel,
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&a, &r, &g, &b);
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printf (" %8d %8d %8d %8d\n", a, r, g, b);
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printf (" - dest ARGB: %f %f %f %f (pixel: %8x)\n",
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dest_color.a, dest_color.r, dest_color.g, dest_color.b,
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combination->dest_pixel);
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pixel_checker_split_pixel (&dest_checker, combination->dest_pixel,
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&a, &r, &g, &b);
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printf (" %8d %8d %8d %8d\n", a, r, g, b);
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pixel_checker_split_pixel (&dest_checker, computed, &a, &r, &g, &b);
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printf (" - expected ARGB: %f %f %f %f\n",
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reference_color.a, reference_color.r, reference_color.g, reference_color.b);
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pixel_checker_get_min (&dest_checker, &reference_color, &a, &r, &g, &b);
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printf (" min acceptable: %8d %8d %8d %8d\n", a, r, g, b);
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pixel_checker_split_pixel (&dest_checker, computed, &a, &r, &g, &b);
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printf (" got: %8d %8d %8d %8d (pixel: %8x)\n", a, r, g, b, computed);
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pixel_checker_get_max (&dest_checker, &reference_color, &a, &r, &g, &b);
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printf (" max acceptable: %8d %8d %8d %8d\n", a, r, g, b);
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result = FALSE;
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goto done;
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}
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}
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}
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done:
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pixman_image_unref (src);
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pixman_image_unref (dest);
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return result;
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}
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int
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main (int argc, char **argv)
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{
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int result = 0;
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int i, j;
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for (i = 0; i < ARRAY_LENGTH (regressions); ++i)
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{
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const pixel_combination_t *combination = &(regressions[i]);
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for (j = 1; j < 34; ++j)
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{
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if (!verify (i, combination, j))
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{
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result = 1;
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break;
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}
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}
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}
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return result;
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}
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