wined3d: Make the texture stage mapping nvrc independent.

dlls/wined3d/device.c

@@ -3750,7 +3750,8 @@ static void device_map_fixed_function_samplers(IWineD3DDeviceImpl *This) {
 
     device_update_fixed_function_usage_map(This);
 
-    if (!GL_SUPPORT(NV_REGISTER_COMBINERS) || This->stateBlock->lowest_disabled_stage <= This->max_ffp_textures) {
+    if (This->max_ffp_textures == This->max_ffp_texture_stages ||
+        This->stateBlock->lowest_disabled_stage <= This->max_ffp_textures) {
         for (i = 0; i < This->stateBlock->lowest_disabled_stage; ++i) {
             if (!This->fixed_function_usage_map[i]) continue;
 

dlls/wined3d/directx.c

@@ -3608,6 +3608,7 @@ static HRESULT  WINAPI IWineD3DImpl_CreateDevice(IWineD3D *iface, UINT Adapter,
     object->frag_pipe = frag_pipeline;
     frag_pipeline->get_caps(DeviceType, &GLINFO_LOCATION, &ffp_caps);
     object->max_ffp_textures = ffp_caps.MaxSimultaneousTextures;
+    object->max_ffp_texture_stages = ffp_caps.MaxTextureBlendStages;
     compile_state_table(object->StateTable, object->multistate_funcs, &GLINFO_LOCATION,
                         ffp_vertexstate_template, frag_pipeline, misc_state_template);
 

dlls/wined3d/wined3d_private.h

@@ -859,7 +859,7 @@ struct IWineD3DDeviceImpl
     const struct fragment_pipeline *frag_pipe;
     const struct blit_shader *blitter;
 
-    unsigned int max_ffp_textures;
+    unsigned int max_ffp_textures, max_ffp_texture_stages;
 
     /* To store */
     BOOL                    view_ident;        /* true iff view matrix is identity                */