diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 62db2bd96c..f62480ea16 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -91,7 +91,7 @@ static const struct {
     {"GL_EXT_secondary_color",              EXT_SECONDARY_COLOR,            0                           },
     {"GL_EXT_stencil_two_side",             EXT_STENCIL_TWO_SIDE,           0                           },
     {"GL_EXT_stencil_wrap",                 EXT_STENCIL_WRAP,               0                           },
-    {"GL_EXT_texture3D",                    EXT_TEXTURE3D,                  0                           },
+    {"GL_EXT_texture3D",                    EXT_TEXTURE3D,                  MAKEDWORD_VERSION(1, 2)     },
     {"GL_EXT_texture_compression_s3tc",     EXT_TEXTURE_COMPRESSION_S3TC,   0                           },
     {"GL_EXT_texture_env_add",              EXT_TEXTURE_ENV_ADD,            0                           },
     {"GL_EXT_texture_env_combine",          EXT_TEXTURE_ENV_COMBINE,        0                           },
diff --git a/include/wine/wined3d_gl.h b/include/wine/wined3d_gl.h
index 3fbfea685e..b3460640d6 100644
--- a/include/wine/wined3d_gl.h
+++ b/include/wine/wined3d_gl.h
@@ -3328,8 +3328,8 @@ typedef enum _GL_SupportedExt {
     USE_GL_FUNC(PGLFNGLSECONDARYCOLOR3FVEXTPROC,                    glSecondaryColor3fvEXT,                     EXT_SECONDARY_COLOR,    NULL );\
     USE_GL_FUNC(PGLFNGLSECONDARYCOLORPOINTEREXTPROC,                glSecondaryColorPointerEXT,                 EXT_SECONDARY_COLOR,    NULL );\
     /* GL_EXT_texture3D */ \
-    USE_GL_FUNC(PGLFNGLTEXIMAGE3DEXTPROC,                           glTexImage3DEXT,                            EXT_TEXTURE3D,          NULL );\
-    USE_GL_FUNC(PGLFNGLTEXSUBIMAGE3DEXTPROC,                        glTexSubImage3DEXT,                         EXT_TEXTURE3D,          NULL );\
+    USE_GL_FUNC(PGLFNGLTEXIMAGE3DEXTPROC,                           glTexImage3DEXT,                            EXT_TEXTURE3D,          glTexImage3D);\
+    USE_GL_FUNC(PGLFNGLTEXSUBIMAGE3DEXTPROC,                        glTexSubImage3DEXT,                         EXT_TEXTURE3D,          glTexSubImage3D);\
     /* GL_ARB_vertex_program */ \
     USE_GL_FUNC(PGLFNGENPROGRAMSARBPROC,                            glGenProgramsARB,                           ARB_VERTEX_PROGRAM,     NULL );\
     USE_GL_FUNC(PGLFNBINDPROGRAMARBPROC,                            glBindProgramARB,                           ARB_VERTEX_PROGRAM,     NULL );\