DOT3 isn't there on earlier opengl versions.

dlls/d3d8/device.c

@@ -3409,12 +3409,14 @@ HRESULT  WINAPI  IDirect3DDevice8Impl_SetTextureStageState(LPDIRECT3DDEVICE8 ifa
                     break;
 
                 case D3DTOP_DOTPRODUCT3               :
+#if defined(GL_VERSION_1_3)
                     if (This->isDot3) {
                         glTexEnvi(GL_TEXTURE_ENV, Parm, GL_DOT3_RGBA);
                         checkGLcall("glTexEnvi(GL_TEXTURE_ENV, comb_target, GL_DOT3_RGBA);");
-                    } else {
-                        FIXME("DotProduct3 extension requested but not supported via this version of opengl\n");
+                        break;
                     }
+#endif
+                    FIXME("DotProduct3 extension requested but not supported via this version of opengl\n");
                     break;
 
                 case D3DTOP_SUBTRACT                  :

dlls/d3d8/directx.c

@@ -351,7 +351,10 @@ HRESULT  WINAPI  IDirect3D8Impl_GetDeviceCaps              (LPDIRECT3D8 iface,
 
     pCaps->TextureOpCaps = D3DTEXOPCAPS_ADD | D3DTEXOPCAPS_ADDSIGNED | D3DTEXOPCAPS_ADDSIGNED2X |
                            D3DTEXOPCAPS_MODULATE | D3DTEXOPCAPS_MODULATE2X | D3DTEXOPCAPS_MODULATE4X |
-                           D3DTEXOPCAPS_SELECTARG1 | D3DTEXOPCAPS_DOTPRODUCT3 | D3DTEXOPCAPS_DISABLE;
+                           D3DTEXOPCAPS_SELECTARG1  | D3DTEXOPCAPS_DISABLE;
+#if defined(GL_VERSION_1_3)
+    pCaps->TextureOpCaps |= D3DTEXOPCAPS_DOTPRODUCT3;
+#endif
               /* FIXME: Add D3DTEXOPCAPS_ADDSMOOTH D3DTEXOPCAPS_BLENDCURRENTALPHA D3DTEXOPCAPS_BLENDDIFFUSEALPHA D3DTEXOPCAPS_BLENDFACTORALPHA 
                             D3DTEXOPCAPS_BLENDTEXTUREALPHA D3DTEXOPCAPS_BLENDTEXTUREALPHAPM D3DTEXOPCAPS_BUMPENVMAP D3DTEXOPCAPS_BUMPENVMAPLUMINANCE 
                             D3DTEXOPCAPS_LERP D3DTEXOPCAPS_MODULATEALPHA_ADDCOLOR D3DTEXOPCAPS_MODULATECOLOR_ADDALPHA