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SDLTest_CompareSurfaces: Output RGBA values of first differing pixel 

Signed-off-by: Simon McVittie <smcv@collabora.com>
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Simon McVittie 2023-09-29 13:00:43 +01:00 committed by Anonymous Maarten
parent b2ddfbbec3
commit 4e59bf6cb9
1 changed files with 12 additions and 0 deletions
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12
src/test/SDL_test_compare.c
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@ -71,6 +71,8 @@ int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface,
Uint8 *p, *p_reference;
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];
@ -128,6 +130,14 @@ int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface,
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;
}
}
}
@ -143,6 +153,8 @@ int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface,
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);
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);