Examples: comment on setting the RenderDrawListsFn function.

examples/allegro5_example/imgui_impl_a5.cpp

@@ -29,7 +29,7 @@ struct ImDrawVertAllegro
     ALLEGRO_COLOR col;
 };
 
-static void ImGui_ImplA5_RenderDrawLists(ImDrawData* draw_data)
+void ImGui_ImplA5_RenderDrawLists(ImDrawData* draw_data)
 {
     int op, src, dst;
     al_get_blender(&op, &src, &dst);
@@ -186,7 +186,7 @@ bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display)
     io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y;
     io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z;
 
-    io.RenderDrawListsFn = ImGui_ImplA5_RenderDrawLists;
+    io.RenderDrawListsFn = ImGui_ImplA5_RenderDrawLists;        // Alternatively you can set this to NULL and call ImGui::GetDrawData() after ImGui::Render() to get the same ImDrawData pointer.
 #ifdef _WIN32
     io.ImeWindowHandle = al_get_win_window_handle(g_Display);
 #endif

examples/directx11_example/imgui_impl_dx11.cpp

@@ -39,7 +39,7 @@ struct VERTEX_CONSTANT_BUFFER
 // This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
 // If text or lines are blurry when integrating ImGui in your engine:
 // - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
-static void ImGui_ImplDX11_RenderDrawLists(ImDrawData* draw_data)
+void ImGui_ImplDX11_RenderDrawLists(ImDrawData* draw_data)
 {
     // Create and grow vertex/index buffers if needed
     if (!g_pVB || g_VertexBufferSize < draw_data->TotalVtxCount)
@@ -437,7 +437,7 @@ bool    ImGui_ImplDX11_Init(void* hwnd, ID3D11Device* device, ID3D11DeviceContex
         return false;
 
     ImGuiIO& io = ImGui::GetIO();
-    io.KeyMap[ImGuiKey_Tab] = VK_TAB;                              // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array that we will update during the application lifetime.
+    io.KeyMap[ImGuiKey_Tab] = VK_TAB;                       // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array that we will update during the application lifetime.
     io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT;
     io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = VK_UP;
@@ -457,7 +457,7 @@ bool    ImGui_ImplDX11_Init(void* hwnd, ID3D11Device* device, ID3D11DeviceContex
     io.KeyMap[ImGuiKey_Y] = 'Y';
     io.KeyMap[ImGuiKey_Z] = 'Z';
 
-    io.RenderDrawListsFn = ImGui_ImplDX11_RenderDrawLists;
+    io.RenderDrawListsFn = ImGui_ImplDX11_RenderDrawLists;  // Alternatively you can set this to NULL and call ImGui::GetDrawData() after ImGui::Render() to get the same ImDrawData pointer.
     io.ImeWindowHandle = g_hWnd;
 
     return true;

examples/directx9_example/imgui_impl_dx9.cpp

@@ -30,7 +30,7 @@ struct CUSTOMVERTEX
 // This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
 // If text or lines are blurry when integrating ImGui in your engine:
 // - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
-static void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
+void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
 {
     // Create and grow buffers if needed
     if (!g_pVB || g_VertexBufferSize < draw_data->TotalVtxCount)
@@ -191,7 +191,7 @@ bool    ImGui_ImplDX9_Init(void* hwnd, IDirect3DDevice9* device)
         return false;
 
     ImGuiIO& io = ImGui::GetIO();
-    io.KeyMap[ImGuiKey_Tab] = VK_TAB;                              // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array that we will update during the application lifetime.
+    io.KeyMap[ImGuiKey_Tab] = VK_TAB;                       // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array that we will update during the application lifetime.
     io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT;
     io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = VK_UP;
@@ -211,7 +211,7 @@ bool    ImGui_ImplDX9_Init(void* hwnd, IDirect3DDevice9* device)
     io.KeyMap[ImGuiKey_Y] = 'Y';
     io.KeyMap[ImGuiKey_Z] = 'Z';
 
-    io.RenderDrawListsFn = ImGui_ImplDX9_RenderDrawLists;
+    io.RenderDrawListsFn = ImGui_ImplDX9_RenderDrawLists;   // Alternatively you can set this to NULL and call ImGui::GetDrawData() after ImGui::Render() to get the same ImDrawData pointer.
     io.ImeWindowHandle = g_hWnd;
 
     return true;

examples/opengl3_example/imgui_impl_glfw_gl3.cpp

@@ -28,7 +28,7 @@ static unsigned int g_VboHandle = 0, g_VaoHandle = 0, g_ElementsHandle = 0;
 // This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
 // If text or lines are blurry when integrating ImGui in your engine:
 // - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
-static void ImGui_ImplGlfwGL3_RenderDrawLists(ImDrawData* draw_data)
+void ImGui_ImplGlfwGL3_RenderDrawLists(ImDrawData* draw_data)
 {
     // Backup GL state
     GLint last_program, last_texture, last_array_buffer, last_element_array_buffer, last_vertex_array;
@@ -247,7 +247,7 @@ bool    ImGui_ImplGlfwGL3_Init(GLFWwindow* window, bool install_callbacks)
     g_Window = window;
 
     ImGuiIO& io = ImGui::GetIO();
-    io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB;                 // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array.
+    io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB;                         // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array.
     io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT;
     io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP;
@@ -267,7 +267,7 @@ bool    ImGui_ImplGlfwGL3_Init(GLFWwindow* window, bool install_callbacks)
     io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y;
     io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z;
 
-    io.RenderDrawListsFn = ImGui_ImplGlfwGL3_RenderDrawLists;
+    io.RenderDrawListsFn = ImGui_ImplGlfwGL3_RenderDrawLists;       // Alternatively you can set this to NULL and call ImGui::GetDrawData() after ImGui::Render() to get the same ImDrawData pointer.
     io.SetClipboardTextFn = ImGui_ImplGlfwGL3_SetClipboardText;
     io.GetClipboardTextFn = ImGui_ImplGlfwGL3_GetClipboardText;
 #ifdef _WIN32

examples/opengl_example/imgui_impl_glfw.cpp

@@ -23,7 +23,7 @@ static GLuint       g_FontTexture = 0;
 // This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
 // If text or lines are blurry when integrating ImGui in your engine:
 // - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
-static void ImGui_ImplGlfw_RenderDrawLists(ImDrawData* draw_data)
+void ImGui_ImplGlfw_RenderDrawLists(ImDrawData* draw_data)
 {
     // We are using the OpenGL fixed pipeline to make the example code simpler to read!
     // A probable faster way to render would be to collate all vertices from all cmd_lists into a single vertex buffer.
@@ -183,7 +183,7 @@ bool    ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks)
     g_Window = window;
 
     ImGuiIO& io = ImGui::GetIO();
-    io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB;                 // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array.
+    io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB;                     // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array.
     io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT;
     io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP;
@@ -203,7 +203,7 @@ bool    ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks)
     io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y;
     io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z;
 
-    io.RenderDrawListsFn = ImGui_ImplGlfw_RenderDrawLists;
+    io.RenderDrawListsFn = ImGui_ImplGlfw_RenderDrawLists;      // Alternatively you can set this to NULL and call ImGui::GetDrawData() after ImGui::Render() to get the same ImDrawData pointer.
     io.SetClipboardTextFn = ImGui_ImplGlfw_SetClipboardText;
     io.GetClipboardTextFn = ImGui_ImplGlfw_GetClipboardText;
 #ifdef _WIN32

examples/sdl_opengl_example/imgui_impl_sdl.cpp

@@ -16,7 +16,7 @@ static GLuint       g_FontTexture = 0;
 // This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
 // If text or lines are blurry when integrating ImGui in your engine:
 // - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
-static void ImGui_ImplSdl_RenderDrawLists(ImDrawData* draw_data)
+void ImGui_ImplSdl_RenderDrawLists(ImDrawData* draw_data)
 {
     // We are using the OpenGL fixed pipeline to make the example code simpler to read!
     // A probable faster way to render would be to collate all vertices from all cmd_lists into a single vertex buffer.
@@ -174,7 +174,7 @@ void    ImGui_ImplSdl_InvalidateDeviceObjects()
 bool    ImGui_ImplSdl_Init(SDL_Window *window)
 {
     ImGuiIO& io = ImGui::GetIO();
-    io.KeyMap[ImGuiKey_Tab] = SDLK_TAB;                 // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array.
+    io.KeyMap[ImGuiKey_Tab] = SDLK_TAB;                     // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array.
     io.KeyMap[ImGuiKey_LeftArrow] = SDL_SCANCODE_LEFT;
     io.KeyMap[ImGuiKey_RightArrow] = SDL_SCANCODE_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = SDL_SCANCODE_UP;
@@ -194,7 +194,7 @@ bool    ImGui_ImplSdl_Init(SDL_Window *window)
     io.KeyMap[ImGuiKey_Y] = SDLK_y;
     io.KeyMap[ImGuiKey_Z] = SDLK_z;
 	
-    io.RenderDrawListsFn = ImGui_ImplSdl_RenderDrawLists;
+    io.RenderDrawListsFn = ImGui_ImplSdl_RenderDrawLists;   // Alternatively you can set this to NULL and call ImGui::GetDrawData() after ImGui::Render() to get the same ImDrawData pointer.
     io.SetClipboardTextFn = ImGui_ImplSdl_SetClipboardText;
     io.GetClipboardTextFn = ImGui_ImplSdl_GetClipboardText;