merge manul

manul/renderer/source/nvrendererbackend.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include <nvrhi/nvrhi.h>
+
+#include "nvrenderer/nvrenderer.h"
+
+struct ShaderDefine {
+  std::string m_name;
+  std::string m_definition;
+};
+
+class NvRendererBackend {
+ protected:
+  friend class NvRenderer;
+  NvRenderer *m_renderer;
+  virtual std::string LoadShaderBlob(const std::string &fileName,
+                                     const std::string &entryName) = 0;
+  virtual bool BeginFrame() = 0;
+  virtual void Present() = 0;
+  virtual void UpdateWindowSize() = 0;
+  virtual int GetCurrentBackBufferIndex() = 0;
+  virtual int GetBackBufferCount() = 0;
+  virtual nvrhi::TextureHandle GetBackBuffer(int index) = 0;
+  class NvRendererMessageCallback *GetMessageCallback() const {
+    return m_renderer->m_message_callback.get();
+  }
+  void AddMaterialShaderBlob(std::string_view material, std::string_view pass,
+                             std::string blob, const std::string &entrypoint);
+  void AddShaderBlob(std::string_view shader, std::string blob,
+                     const std::string &entrypoint);
+  virtual void LoadShaderBlobs() {}
+  struct ShaderBlob {
+    std::string m_entrypoint;
+    std::string m_blob;
+  };
+  std::unordered_map<std::string, ShaderBlob> m_shader_blobs;
+  std::unordered_map<
+      std::string,
+      std::array<ShaderBlob, NvRenderer::Constants::NumMaterialPasses()>>
+      m_material_blobs;
+
+ public:
+  void Init();
+  virtual bool IsHDRDisplay() const { return false; }
+  // nvrhi::DeviceHandle m_device;
+  virtual nvrhi::IDevice *GetDevice() { return nullptr; };
+  std::vector<nvrhi::FramebufferHandle> m_framebuffers;
+  nvrhi::FramebufferHandle GetCurrentFramebuffer();
+  nvrhi::ShaderHandle CreateShader(const std::string &name,
+                                   nvrhi::ShaderType type);
+  nvrhi::ShaderHandle CreateMaterialShader(const std::string &name,
+                                           NvRenderer::RenderPassType pass);
+};
+
+class NvRendererMessageCallback : public nvrhi::IMessageCallback {
+  virtual void message(nvrhi::MessageSeverity severity,
+                       const char *messageText) override;
+};