[D3D12] Fix state of textures bound to both VS and PS

src/xenia/gpu/d3d12/texture_cache.h

@@ -109,8 +109,7 @@ class TextureCache {
   // shaders and puts them in the SRV state. This may bind compute pipelines
   // (notifying the command processor about that), so this must be called before
   // binding the actual drawing pipeline.
-  void RequestTextures(uint32_t used_vertex_texture_mask,
-                       uint32_t used_pixel_texture_mask);
+  void RequestTextures(uint32_t used_texture_mask);
 
   // Returns the hash of the current bindings (must be called after
   // RequestTextures) for the provided SRV descriptor layout.
@@ -160,6 +159,7 @@ class TextureCache {
                                        uint32_t first_unscaled_4kb_page,
                                        uint32_t unscaled_4kb_page_count);
 
+  // Returns a descriptor of the front buffer in PIXEL_SHADER_RESOURCE state.
   bool RequestSwapTexture(D3D12_CPU_DESCRIPTOR_HANDLE handle,
                           TextureFormat& format_out);