diff --git a/dlls/ddraw/d3ddevice/mesa.c b/dlls/ddraw/d3ddevice/mesa.c
index 5f7a4e94469..b07a7a5f279 100644
--- a/dlls/ddraw/d3ddevice/mesa.c
+++ b/dlls/ddraw/d3ddevice/mesa.c
@@ -367,8 +367,8 @@ static HRESULT enum_texture_format_OpenGL(LPD3DENUMTEXTUREFORMATSCALLBACK cb_1,
     TRACE("Enumerating GL_RGBA packed GL_UNSIGNED_SHORT_5_5_5_1 (16)\n");
     pformat->dwFlags = DDPF_RGB | DDPF_ALPHAPIXELS;
     pformat->u1.dwRGBBitCount = 16;
-    pformat->u2.dwRBitMask =         0x0000F800;
-    pformat->u3.dwGBitMask =         0x000007C0;
+    pformat->u2.dwRBitMask =        0x0000F800;
+    pformat->u3.dwGBitMask =        0x000007C0;
     pformat->u4.dwBBitMask =        0x0000003E;
     pformat->u5.dwRGBAlphaBitMask = 0x00000001;
     if (cb_1) if (cb_1(&sdesc , context) == 0) return DD_OK;
@@ -377,13 +377,33 @@ static HRESULT enum_texture_format_OpenGL(LPD3DENUMTEXTUREFORMATSCALLBACK cb_1,
     TRACE("Enumerating GL_RGBA packed GL_UNSIGNED_SHORT_4_4_4_4 (16)\n");
     pformat->dwFlags = DDPF_RGB | DDPF_ALPHAPIXELS;
     pformat->u1.dwRGBBitCount = 16;
-    pformat->u2.dwRBitMask =         0x0000F000;
-    pformat->u3.dwGBitMask =         0x00000F00;
+    pformat->u2.dwRBitMask =        0x0000F000;
+    pformat->u3.dwGBitMask =        0x00000F00;
     pformat->u4.dwBBitMask =        0x000000F0;
     pformat->u5.dwRGBAlphaBitMask = 0x0000000F;
     if (cb_1) if (cb_1(&sdesc , context) == 0) return DD_OK;
     if (cb_2) if (cb_2(pformat, context) == 0) return DD_OK;
 
+    TRACE("Enumerating GL_RGBA packed GL_UNSIGNED_SHORT_1_5_5_5 (16)\n");
+    pformat->dwFlags = DDPF_RGB | DDPF_ALPHAPIXELS;
+    pformat->u1.dwRGBBitCount = 16;
+    pformat->u2.dwRBitMask =        0x00007C00;
+    pformat->u3.dwGBitMask =        0x000003E0;
+    pformat->u4.dwBBitMask =        0x0000001F;
+    pformat->u5.dwRGBAlphaBitMask = 0x00008000;
+    if (cb_1) if (cb_1(&sdesc , context) == 0) return DD_OK;
+    if (cb_2) if (cb_2(pformat, context) == 0) return DD_OK;
+
+    TRACE("Enumerating GL_RGBA packed GL_UNSIGNED_SHORT_4_4_4_4 (ARGB) (16)\n");
+    pformat->dwFlags = DDPF_RGB | DDPF_ALPHAPIXELS;
+    pformat->u1.dwRGBBitCount = 16;
+    pformat->u2.dwRBitMask =        0x00000F00;
+    pformat->u3.dwGBitMask =        0x000000F0;
+    pformat->u4.dwBBitMask =        0x0000000F;
+    pformat->u5.dwRGBAlphaBitMask = 0x0000F000;
+    if (cb_1) if (cb_1(&sdesc , context) == 0) return DD_OK;
+    if (cb_2) if (cb_2(pformat, context) == 0) return DD_OK;
+
     TRACE("Enumerating GL_RGB packed GL_UNSIGNED_BYTE_3_3_2 (8)\n");
     pformat->dwFlags = DDPF_RGB;
     pformat->u1.dwRGBBitCount = 8;