[D3D12] Rough outline of render target architecture

src/xenia/gpu/d3d12/texture_cache.cc

@@ -196,7 +196,6 @@ bool TextureCache::Initialize() {
     }
   }
 
-  ClearBindings();
   return true;
 }
 
@@ -215,6 +214,18 @@ void TextureCache::Shutdown() {
   }
 }
 
+void TextureCache::ClearCache() {
+  // Destroy all the textures.
+  for (auto texture_pair : textures_) {
+    Texture* texture = texture_pair.second;
+    if (texture->resource != nullptr) {
+      texture->resource->Release();
+    }
+    delete texture;
+  }
+  textures_.clear();
+}
+
 void TextureCache::TextureFetchConstantWritten(uint32_t index) {
   texture_keys_in_sync_ &= ~(1u << index);
 }
@@ -300,20 +311,6 @@ void TextureCache::RequestTextures(uint32_t used_vertex_texture_mask,
   }
 }
 
-void TextureCache::ClearCache() {
-  ClearBindings();
-
-  // Destroy all the textures.
-  for (auto texture_pair : textures_) {
-    Texture* texture = texture_pair.second;
-    if (texture->resource != nullptr) {
-      texture->resource->Release();
-    }
-    delete texture;
-  }
-  textures_.clear();
-}
-
 void TextureCache::WriteTextureSRV(uint32_t fetch_constant,
                                    TextureDimension shader_dimension,
                                    D3D12_CPU_DESCRIPTOR_HANDLE handle) {