more tooling

src/engine/Shared.h

@@ -93,6 +93,7 @@ struct SharedDevData
 {
     uint32_t ChangedShaderCount = 0;
     FileChangeNotification ChangedShaders[16];
+    char ShaderLog[2048]{0};
 };
 
 struct GameData

src/engine/main.cpp

@@ -1,6 +1,7 @@
 #include <cstdlib>
 #include <cwchar>
 #include <fileapi.h>
+#include <fstream>
 #include <processthreadsapi.h>
 #include <synchapi.h>
 #define WIN32_LEAN_AND_MEAN
@@ -109,7 +110,17 @@ void FileChangeCheck(HANDLE dirHandle, FileChangeType changeType, const wchar_t*
                     }
                     else if (changeType == FileChangeType::Shader)
                     {
-                        std::system("shadercompile.bat");
+                        std::system("shadercompile.bat > shadercompile.log");
+                        Sleep(1000);
+                        std::ifstream shaderLogFile("shadercompile.log");
+                        if (shaderLogFile.is_open())
+                        {
+                            shaderLogFile.seekg(0, std::ios::end);
+                            uint32_t size = bx::min(BX_COUNTOF(Shared.Dev.ShaderLog), shaderLogFile.tellg());
+                            shaderLogFile.seekg(0);
+                            shaderLogFile.read(Shared.Dev.ShaderLog, size);
+                            shaderLogFile.close();
+                        }
                     }
                     else if (changeType == FileChangeType::CompiledShader)
                     {