WIP rough sketch of vulkan backend structure.

src/xenia/gpu/vulkan/render_cache.h

@@ -0,0 +1,46 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2016 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_GPU_VULKAN_RENDER_CACHE_H_
+#define XENIA_GPU_VULKAN_RENDER_CACHE_H_
+
+#include "xenia/gpu/register_file.h"
+#include "xenia/gpu/shader.h"
+#include "xenia/gpu/xenos.h"
+#include "xenia/ui/vulkan/vulkan.h"
+#include "xenia/ui/vulkan/vulkan_device.h"
+
+namespace xe {
+namespace gpu {
+namespace vulkan {
+
+// Configures and caches pipelines based on render state.
+// This is responsible for properly setting all state required for a draw
+// including shaders, various blend/etc options, and input configuration.
+class RenderCache {
+ public:
+  RenderCache(RegisterFile* register_file, ui::vulkan::VulkanDevice* device);
+  ~RenderCache();
+
+  VkRenderPass BeginRenderPass(VkCommandBuffer command_buffer);
+  void EndRenderPass();
+
+  // Clears all cached content.
+  void ClearCache();
+
+ private:
+  RegisterFile* register_file_ = nullptr;
+  VkDevice device_ = nullptr;
+};
+
+}  // namespace vulkan
+}  // namespace gpu
+}  // namespace xe
+
+#endif  // XENIA_GPU_VULKAN_RENDER_CACHE_H_