From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- contrib/SDL-3.2.8/src/test/SDL_test_compare.c | 218 -------------------------- 1 file changed, 218 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/test/SDL_test_compare.c (limited to 'contrib/SDL-3.2.8/src/test/SDL_test_compare.c') diff --git a/contrib/SDL-3.2.8/src/test/SDL_test_compare.c b/contrib/SDL-3.2.8/src/test/SDL_test_compare.c deleted file mode 100644 index c3ee039..0000000 --- a/contrib/SDL-3.2.8/src/test/SDL_test_compare.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -/* - - Based on automated SDL_Surface tests originally written by Edgar Simo 'bobbens'. - - Rewritten for test lib by Andreas Schiffler. - -*/ -#include - -#define FILENAME_SIZE 128 - -/* Counter for _CompareSurface calls; used for filename creation when comparisons fail */ -static int _CompareSurfaceCount = 0; - -/* Compare surfaces */ -int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface, int allowable_error) -{ - int ret; - int i, j; - int dist; - int sampleErrorX = 0, sampleErrorY = 0, sampleDist = 0; - SDL_Color sampleReference = { 0, 0, 0, 0 }; - SDL_Color sampleActual = { 0, 0, 0, 0 }; - Uint8 R, G, B, A; - Uint8 Rd, Gd, Bd, Ad; - char imageFilename[FILENAME_SIZE]; - char referenceFilename[FILENAME_SIZE]; - - /* Validate input surfaces */ - if (!surface) { - SDLTest_LogError("Cannot compare NULL surface"); - return -1; - } - - if (!referenceSurface) { - SDLTest_LogError("Cannot compare NULL reference surface"); - return -1; - } - - /* Make sure surface size is the same. */ - if ((surface->w != referenceSurface->w) || (surface->h != referenceSurface->h)) { - SDLTest_LogError("Expected %dx%d surface, got %dx%d", referenceSurface->w, referenceSurface->h, surface->w, surface->h); - return -2; - } - - /* Sanitize input value */ - if (allowable_error < 0) { - allowable_error = 0; - } - - SDL_LockSurface(surface); - SDL_LockSurface(referenceSurface); - - ret = 0; - /* Compare image - should be same format. */ - for (j = 0; j < surface->h; j++) { - for (i = 0; i < surface->w; i++) { - int temp; - - temp = SDL_ReadSurfacePixel(surface, i, j, &R, &G, &B, &A); - if (!temp) { - SDLTest_LogError("Failed to retrieve pixel (%d,%d): %s", i, j, SDL_GetError()); - ret++; - continue; - } - - temp = SDL_ReadSurfacePixel(referenceSurface, i, j, &Rd, &Gd, &Bd, &Ad); - if (!temp) { - SDLTest_LogError("Failed to retrieve reference pixel (%d,%d): %s", i, j, SDL_GetError()); - ret++; - continue; - } - - dist = 0; - dist += (R - Rd) * (R - Rd); - dist += (G - Gd) * (G - Gd); - dist += (B - Bd) * (B - Bd); - - /* Allow some difference in blending accuracy */ - if (dist > allowable_error) { - ret++; - if (ret == 1) { - sampleErrorX = i; - sampleErrorY = j; - sampleDist = dist; - sampleReference.r = Rd; - sampleReference.g = Gd; - sampleReference.b = Bd; - sampleReference.a = Ad; - sampleActual.r = R; - sampleActual.g = G; - sampleActual.b = B; - sampleActual.a = A; - } - } - } - } - - SDL_UnlockSurface(surface); - SDL_UnlockSurface(referenceSurface); - - /* Save test image and reference for analysis on failures */ - _CompareSurfaceCount++; - if (ret != 0) { - SDLTest_LogError("Comparison of pixels with allowable error of %i failed %i times.", allowable_error, ret); - SDLTest_LogError("Reference surface format: %s", SDL_GetPixelFormatName(referenceSurface->format)); - SDLTest_LogError("Actual surface format: %s", SDL_GetPixelFormatName(surface->format)); - SDLTest_LogError("First detected occurrence at position %i,%i with a squared RGB-difference of %i.", sampleErrorX, sampleErrorY, sampleDist); - SDLTest_LogError("Reference pixel: R=%u G=%u B=%u A=%u", sampleReference.r, sampleReference.g, sampleReference.b, sampleReference.a); - SDLTest_LogError("Actual pixel : R=%u G=%u B=%u A=%u", sampleActual.r, sampleActual.g, sampleActual.b, sampleActual.a); - (void)SDL_snprintf(imageFilename, FILENAME_SIZE - 1, "CompareSurfaces%04d_TestOutput.bmp", _CompareSurfaceCount); - SDL_SaveBMP(surface, imageFilename); - (void)SDL_snprintf(referenceFilename, FILENAME_SIZE - 1, "CompareSurfaces%04d_Reference.bmp", _CompareSurfaceCount); - SDL_SaveBMP(referenceSurface, referenceFilename); - SDLTest_LogError("Surfaces from failed comparison saved as '%s' and '%s'", imageFilename, referenceFilename); - } - - return ret; -} - -int SDLTest_CompareMemory(const void *actual, size_t size_actual, const void *reference, size_t size_reference) { -#define WIDTH 16 - - const size_t size_max = SDL_max(size_actual, size_reference); - size_t i; - struct { - const char *header; - const Uint8 *data; - size_t size; - } columns[] = { - { - "actual", - actual, - size_actual, - }, - { - "reference", - reference, - size_reference, - }, - }; - char line_buffer[16 + SDL_arraysize(columns) * (4 * WIDTH + 1) + (SDL_arraysize(columns) - 1) * 2 + 1]; - - SDLTest_AssertCheck(size_actual == size_reference, "Sizes of memory blocks must be equal (actual=%" SDL_PRIu64 " expected=%" SDL_PRIu64 ")", (Uint64)size_actual, (Uint64)size_reference); - if (size_actual == size_reference) { - int equals; - equals = SDL_memcmp(actual, reference, size_max) == 0; - SDLTest_AssertCheck(equals, "Memory blocks contain the same data"); - if (equals) { - return 0; - } - } - - SDL_memset(line_buffer, ' ', sizeof(line_buffer)); - line_buffer[sizeof(line_buffer) - 1] = '\0'; - for (i = 0; i < SDL_arraysize(columns); i++) { - SDL_memcpy(line_buffer + 16 + 1 + i * (4 * WIDTH + 3), columns[i].header, SDL_strlen(columns[i].header)); - } - SDLTest_LogError("%s", line_buffer); - - for (i = 0; i < size_max; i += WIDTH) { - size_t pos = 0; - size_t col; - - pos += SDL_snprintf(line_buffer + pos, SDL_arraysize(line_buffer) - pos, "%016" SDL_PRIx64 , (Uint64)i); - - for (col = 0; col < SDL_arraysize(columns); col++) { - size_t j; - - for (j = 0; j < WIDTH; j++) { - if (i + j < columns[col].size) { - pos += SDL_snprintf(line_buffer + pos, SDL_arraysize(line_buffer) - pos, " %02x", columns[col].data[i + j]); - } else { - pos += SDL_snprintf(line_buffer + pos, SDL_arraysize(line_buffer) - pos, " "); - } - } - pos += SDL_snprintf(line_buffer + pos, SDL_arraysize(line_buffer) - pos, " "); - for (j = 0; j < WIDTH; j++) { - char c = ' '; - if (i + j < columns[col].size) { - c = columns[col].data[i + j]; - if (!SDL_isprint(c)) { - c = '.'; - } - } - pos += SDL_snprintf(line_buffer + pos, SDL_arraysize(line_buffer) - pos, "%c", c); - } - if (col < SDL_arraysize(columns) - 1) { - pos += SDL_snprintf(line_buffer + pos, SDL_arraysize(line_buffer), " |"); - } - } - SDLTest_LogError("%s", line_buffer); - SDL_assert(pos == SDL_arraysize(line_buffer) - 1); - } -#undef WIDTH - return 1; -} -- cgit v1.2.3