d3d8/test: Add slop to some fog tests.

dlls/d3d8/tests/visual.c

@@ -509,13 +509,17 @@ static void fog_test(IDirect3DDevice8 *device)
     }
 
     color = getPixelColor(device, 160, 360);
-    ok(color == 0x00FF0000, "Untransformed vertex with no table or vertex fog has color %08x\n", color);
+    ok(color_match(color, D3DCOLOR_ARGB(0x00, 0xFF, 0x00, 0x00), 1),
+            "Untransformed vertex with no table or vertex fog has color %08x\n", color);
     color = getPixelColor(device, 160, 120);
-    ok(color == 0x0000FF00, "Untransformed vertex with linear vertex fog has color %08x\n", color);
+    ok(color_match(color, D3DCOLOR_ARGB(0x00, 0x00, 0xFF, 0x00), 1),
+            "Untransformed vertex with linear vertex fog has color %08x\n", color);
     color = getPixelColor(device, 480, 120);
-    ok(color == 0x00FFFF00, "Transformed vertex with linear vertex fog has color %08x\n", color);
+    ok(color_match(color, D3DCOLOR_ARGB(0x00, 0xFF, 0xFF, 0x00), 1),
+            "Transformed vertex with linear vertex fog has color %08x\n", color);
     color = getPixelColor(device, 480, 360);
-    ok(color == 0x0000FF00, "Transformed vertex with linear table fog has color %08x\n", color);
+    ok(color_match(color, D3DCOLOR_ARGB(0x00, 0x00, 0xFF, 0x00), 1),
+            "Transformed vertex with linear table fog has color %08x\n", color);
 
     IDirect3DDevice8_Present(device, NULL, NULL, NULL, NULL);
 
@@ -557,7 +561,8 @@ static void fog_test(IDirect3DDevice8 *device)
         color = getPixelColor(device, 160, 360);
         ok(color_match(color, 0x00ff0000, 4), "Unfogged quad has color %08x\n", color);
         color = getPixelColor(device, 160, 120);
-        ok(color == 0x0000ff00, "Fogged out quad has color %08x\n", color);
+        ok(color_match(color, D3DCOLOR_ARGB(0x00, 0x00, 0xff, 0x00), 1),
+                "Fogged out quad has color %08x\n", color);
 
         IDirect3DDevice8_Present(device, NULL, NULL, NULL, NULL);
 
@@ -594,7 +599,8 @@ static void fog_test(IDirect3DDevice8 *device)
         color = getPixelColor(device, 160, 360);
         todo_wine ok(color_match(color, 0x00e51900, 4), "Partially fogged quad has color %08x\n", color);
         color = getPixelColor(device, 160, 120);
-        ok(color == 0x0000ff00, "Fogged out quad has color %08x\n", color);
+        ok(color_match(color, D3DCOLOR_ARGB(0x00, 0x00, 0xff, 0x00), 1),
+                "Fogged out quad has color %08x\n", color);
 
         IDirect3DDevice8_Present(device, NULL, NULL, NULL, NULL);