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SDLTest_CompareSurfaces: If surfaces differ, log their formats

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Signed-off-by: Simon McVittie <smcv@collabora.com>
This commit is contained in:
Simon McVittie 2023-09-29 12:52:32 +01:00 committed by Anonymous Maarten
parent b028fd9604
commit b2ddfbbec3
1 changed files with 12 additions and 0 deletions
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12
src/test/SDL_test_compare.c
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@ -52,6 +52,16 @@ GetPixel(Uint8 *p, size_t bytes_per_pixel)
return ret;
}
static void
LogErrorFormat(const char *name, const SDL_PixelFormat *format)
{
SDLTest_LogError("%s: %08" SDL_PRIx32 " %s, %u bits/%u bytes per pixel", name, format->format, SDL_GetPixelFormatName(format->format), format->BitsPerPixel, format->BytesPerPixel);
SDLTest_LogError("%s: R mask %08" SDL_PRIx32 ", loss %u, shift %u", name, format->Rmask, format->Rloss, format->Rshift);
SDLTest_LogError("%s: G mask %08" SDL_PRIx32 ", loss %u, shift %u", name, format->Gmask, format->Gloss, format->Gshift);
SDLTest_LogError("%s: B mask %08" SDL_PRIx32 ", loss %u, shift %u", name, format->Bmask, format->Bloss, format->Bshift);
SDLTest_LogError("%s: A mask %08" SDL_PRIx32 ", loss %u, shift %u", name, format->Amask, format->Aloss, format->Ashift);
}
/* Compare surfaces */
int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface, int allowable_error)
{
@ -130,6 +140,8 @@ int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface,
_CompareSurfaceCount++;
if (ret != 0) {
SDLTest_LogError("Comparison of pixels with allowable error of %i failed %i times.", allowable_error, ret);
LogErrorFormat("Reference surface format", referenceSurface->format);
LogErrorFormat("Actual surface format ", surface->format);
SDLTest_LogError("First detected occurrence at position %i,%i with a squared RGB-difference of %i.", sampleErrorX, sampleErrorY, sampleDist);
(void)SDL_snprintf(imageFilename, FILENAME_SIZE - 1, "CompareSurfaces%04d_TestOutput.bmp", _CompareSurfaceCount);
SDL_SaveBMP(surface, imageFilename);