1 files changed, 22 insertions, 1 deletions
diff --git a/src/engine.h b/src/engine.h
index 7b1f10e..7819b07 100644
--- a/src/engine.h
+++ b/src/engine.h
@@ -17,6 +17,7 @@
 
 #include <memory>
 #include <string>
+#include <utility>
 #include <vector>
 
 #include "amber/amber.h"
@@ -28,10 +29,12 @@
 
 namespace amber {
 
+class VirtualFileStore;
+
 /// EngineData stores information used during engine execution.
 struct EngineData {
   /// The timeout to use for fences, in milliseconds.
-  uint32_t fence_timeout_ms = 1000;
+  uint32_t fence_timeout_ms = 10000;
 };
 
 /// Abstract class which describes a backing engine for Amber.
@@ -53,6 +56,16 @@ struct EngineData {
 ///  5. Engine destructor is called.
 class Engine {
  public:
+  /// Debugger is the interface to the engine's shader debugger.
+  class Debugger : public debug::Events {
+   public:
+    ~Debugger() override;
+
+    /// Flush waits for all the debugger commands issued to complete, and
+    /// returns a Result that includes any debugger test failure.
+    virtual Result Flush() = 0;
+  };
+
   /// Creates a new engine of the requested |type|.
   static std::unique_ptr<Engine> Create(EngineType type);
 
@@ -88,6 +101,9 @@ class Engine {
   /// Execute the draw rect command
   virtual Result DoDrawRect(const DrawRectCommand* cmd) = 0;
 
+  /// Execute the draw grid command
+  virtual Result DoDrawGrid(const DrawGridCommand* cmd) = 0;
+
   /// Execute the draw arrays command
   virtual Result DoDrawArrays(const DrawArraysCommand* cmd) = 0;
 
@@ -106,6 +122,11 @@ class Engine {
   /// This covers both Vulkan buffers and images.
   virtual Result DoBuffer(const BufferCommand* cmd) = 0;
 
+  /// GetDebugger returns the shader debugger from the engine.
+  /// If the engine does not support a shader debugger then the Result will be a
+  /// failure.
+  virtual std::pair<Debugger*, Result> GetDebugger(VirtualFileStore*) = 0;
+
   /// Sets the engine data to use.
   void SetEngineData(const EngineData& data) { engine_data_ = data; }