diff --git a/dlls/ddraw/tests/ddraw1.c b/dlls/ddraw/tests/ddraw1.c
index faec17742e7..fc104273d02 100644
--- a/dlls/ddraw/tests/ddraw1.c
+++ b/dlls/ddraw/tests/ddraw1.c
@@ -9805,7 +9805,7 @@ static void test_getdc(void)
     DDSURFACEDESC surface_desc, map_desc;
     DDSCAPS caps = {DDSCAPS_COMPLEX};
     IDirectDraw *ddraw;
-    unsigned int i;
+    unsigned int i, screen_bpp;
     HWND window;
     HDC dc, dc2;
     HRESULT hr;
@@ -9869,6 +9869,11 @@ static void test_getdc(void)
     hr = IDirectDraw_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
     ok(SUCCEEDED(hr), "Failed to set cooperative level, hr %#x.\n", hr);
 
+    surface_desc.dwSize = sizeof(surface_desc);
+    hr = IDirectDraw_GetDisplayMode(ddraw, &surface_desc);
+    ok(SUCCEEDED(hr), "Failed to get display mode, hr %#x.\n", hr);
+    screen_bpp = U1(surface_desc.ddpfPixelFormat).dwRGBBitCount;
+
     for (i = 0; i < ARRAY_SIZE(test_data); ++i)
     {
         memset(&surface_desc, 0, sizeof(surface_desc));
@@ -9927,8 +9932,11 @@ static void test_getdc(void)
             ok(dib.dsBm.bmBitsPixel == U1(test_data[i].format).dwRGBBitCount,
                     "Got unexpected bit count %d for format %s.\n",
                     dib.dsBm.bmBitsPixel, test_data[i].name);
-            ok(!!dib.dsBm.bmBits, "Got unexpected bits %p for format %s.\n",
-                    dib.dsBm.bmBits, test_data[i].name);
+            /* Windows XP sets bmBits == NULL for formats that match the screen at least on my r200 GPU. I
+             * suspect this applies to all HW accelerated pre-WDDM drivers because they can handle gdi access
+             * to ddraw surfaces themselves instead of going through a sysmem DIB section. */
+            ok(!!dib.dsBm.bmBits || broken(!pDwmIsCompositionEnabled && dib.dsBm.bmBitsPixel == screen_bpp),
+                    "Got unexpected bits %p for format %s.\n", dib.dsBm.bmBits, test_data[i].name);
 
             ok(dib.dsBmih.biSize == sizeof(dib.dsBmih), "Got unexpected size %u for format %s.\n",
                     dib.dsBmih.biSize, test_data[i].name);
diff --git a/dlls/ddraw/tests/ddraw2.c b/dlls/ddraw/tests/ddraw2.c
index 28e97676456..a14df435b25 100644
--- a/dlls/ddraw/tests/ddraw2.c
+++ b/dlls/ddraw/tests/ddraw2.c
@@ -10507,7 +10507,7 @@ static void test_getdc(void)
     DDSURFACEDESC surface_desc, map_desc;
     DDSCAPS caps = {DDSCAPS_COMPLEX};
     IDirectDraw2 *ddraw;
-    unsigned int i;
+    unsigned int i, screen_bpp;
     HWND window;
     HDC dc, dc2;
     HRESULT hr;
@@ -10571,6 +10571,11 @@ static void test_getdc(void)
     hr = IDirectDraw2_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
     ok(SUCCEEDED(hr), "Failed to set cooperative level, hr %#x.\n", hr);
 
+    surface_desc.dwSize = sizeof(surface_desc);
+    hr = IDirectDraw2_GetDisplayMode(ddraw, &surface_desc);
+    ok(SUCCEEDED(hr), "Failed to get display mode, hr %#x.\n", hr);
+    screen_bpp = U1(surface_desc.ddpfPixelFormat).dwRGBBitCount;
+
     for (i = 0; i < ARRAY_SIZE(test_data); ++i)
     {
         memset(&surface_desc, 0, sizeof(surface_desc));
@@ -10629,8 +10634,11 @@ static void test_getdc(void)
             ok(dib.dsBm.bmBitsPixel == U1(test_data[i].format).dwRGBBitCount,
                     "Got unexpected bit count %d for format %s.\n",
                     dib.dsBm.bmBitsPixel, test_data[i].name);
-            ok(!!dib.dsBm.bmBits, "Got unexpected bits %p for format %s.\n",
-                    dib.dsBm.bmBits, test_data[i].name);
+            /* Windows XP sets bmBits == NULL for formats that match the screen at least on my r200 GPU. I
+             * suspect this applies to all HW accelerated pre-WDDM drivers because they can handle gdi access
+             * to ddraw surfaces themselves instead of going through a sysmem DIB section. */
+            ok(!!dib.dsBm.bmBits || broken(!pDwmIsCompositionEnabled && dib.dsBm.bmBitsPixel == screen_bpp),
+                    "Got unexpected bits %p for format %s.\n", dib.dsBm.bmBits, test_data[i].name);
 
             ok(dib.dsBmih.biSize == sizeof(dib.dsBmih), "Got unexpected size %u for format %s.\n",
                     dib.dsBmih.biSize, test_data[i].name);
diff --git a/dlls/ddraw/tests/ddraw4.c b/dlls/ddraw/tests/ddraw4.c
index b3983468395..b0b70cc2621 100644
--- a/dlls/ddraw/tests/ddraw4.c
+++ b/dlls/ddraw/tests/ddraw4.c
@@ -12488,7 +12488,7 @@ static void test_getdc(void)
     IDirectDrawSurface4 *surface, *surface2, *tmp;
     DDSURFACEDESC2 surface_desc, map_desc;
     IDirectDraw4 *ddraw;
-    unsigned int i;
+    unsigned int i, screen_bpp;
     HWND window;
     HDC dc, dc2;
     HRESULT hr;
@@ -12552,6 +12552,11 @@ static void test_getdc(void)
     hr = IDirectDraw4_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
     ok(SUCCEEDED(hr), "Failed to set cooperative level, hr %#x.\n", hr);
 
+    surface_desc.dwSize = sizeof(surface_desc);
+    hr = IDirectDraw4_GetDisplayMode(ddraw, &surface_desc);
+    ok(SUCCEEDED(hr), "Failed to get display mode, hr %#x.\n", hr);
+    screen_bpp = U1(U4(surface_desc).ddpfPixelFormat).dwRGBBitCount;
+
     for (i = 0; i < ARRAY_SIZE(test_data); ++i)
     {
         memset(&surface_desc, 0, sizeof(surface_desc));
@@ -12611,8 +12616,11 @@ static void test_getdc(void)
             ok(dib.dsBm.bmBitsPixel == U1(test_data[i].format).dwRGBBitCount,
                     "Got unexpected bit count %d for format %s.\n",
                     dib.dsBm.bmBitsPixel, test_data[i].name);
-            ok(!!dib.dsBm.bmBits, "Got unexpected bits %p for format %s.\n",
-                    dib.dsBm.bmBits, test_data[i].name);
+            /* Windows XP sets bmBits == NULL for formats that match the screen at least on my r200 GPU. I
+             * suspect this applies to all HW accelerated pre-WDDM drivers because they can handle gdi access
+             * to ddraw surfaces themselves instead of going through a sysmem DIB section. */
+            ok(!!dib.dsBm.bmBits || broken(!pDwmIsCompositionEnabled && dib.dsBm.bmBitsPixel == screen_bpp),
+                    "Got unexpected bits %p for format %s.\n", dib.dsBm.bmBits, test_data[i].name);
 
             ok(dib.dsBmih.biSize == sizeof(dib.dsBmih), "Got unexpected size %u for format %s.\n",
                     dib.dsBmih.biSize, test_data[i].name);
diff --git a/dlls/ddraw/tests/ddraw7.c b/dlls/ddraw/tests/ddraw7.c
index 986a1f3a127..b31f942c112 100644
--- a/dlls/ddraw/tests/ddraw7.c
+++ b/dlls/ddraw/tests/ddraw7.c
@@ -12476,7 +12476,7 @@ static void test_getdc(void)
     IDirectDrawSurface7 *surface, *surface2, *tmp;
     DDSURFACEDESC2 surface_desc, map_desc;
     IDirectDraw7 *ddraw;
-    unsigned int i;
+    unsigned int i, screen_bpp;
     HWND window;
     HDC dc, dc2;
     HRESULT hr;
@@ -12540,6 +12540,11 @@ static void test_getdc(void)
     hr = IDirectDraw7_SetCooperativeLevel(ddraw, window, DDSCL_NORMAL);
     ok(SUCCEEDED(hr), "Failed to set cooperative level, hr %#x.\n", hr);
 
+    surface_desc.dwSize = sizeof(surface_desc);
+    hr = IDirectDraw7_GetDisplayMode(ddraw, &surface_desc);
+    ok(SUCCEEDED(hr), "Failed to get display mode, hr %#x.\n", hr);
+    screen_bpp = U1(U4(surface_desc).ddpfPixelFormat).dwRGBBitCount;
+
     for (i = 0; i < ARRAY_SIZE(test_data); ++i)
     {
         memset(&surface_desc, 0, sizeof(surface_desc));
@@ -12599,8 +12604,11 @@ static void test_getdc(void)
             ok(dib.dsBm.bmBitsPixel == U1(test_data[i].format).dwRGBBitCount,
                     "Got unexpected bit count %d for format %s.\n",
                     dib.dsBm.bmBitsPixel, test_data[i].name);
-            ok(!!dib.dsBm.bmBits, "Got unexpected bits %p for format %s.\n",
-                    dib.dsBm.bmBits, test_data[i].name);
+            /* Windows XP sets bmBits == NULL for formats that match the screen at least on my r200 GPU. I
+             * suspect this applies to all HW accelerated pre-WDDM drivers because they can handle gdi access
+             * to ddraw surfaces themselves instead of going through a sysmem DIB section. */
+            ok(!!dib.dsBm.bmBits || broken(!pDwmIsCompositionEnabled && dib.dsBm.bmBitsPixel == screen_bpp),
+                    "Got unexpected bits %p for format %s.\n", dib.dsBm.bmBits, test_data[i].name);
 
             ok(dib.dsBmih.biSize == sizeof(dib.dsBmih), "Got unexpected size %u for format %s.\n",
                     dib.dsBmih.biSize, test_data[i].name);