From 4e59bf6cb9358d7595dec9a0dea49bf5f161243b Mon Sep 17 00:00:00 2001
From: Simon McVittie <[EMAIL REDACTED]>
Date: Fri, 29 Sep 2023 13:00:43 +0100
Subject: [PATCH] SDLTest_CompareSurfaces: Output RGBA values of first
differing pixel
Signed-off-by: Simon McVittie <smcv@collabora.com>
---
src/test/SDL_test_compare.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/test/SDL_test_compare.c b/src/test/SDL_test_compare.c
index 8101d0aae55d..bc3c484bdb9c 100644
--- a/src/test/SDL_test_compare.c
+++ b/src/test/SDL_test_compare.c
@@ -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);