Function to control whether final rendering is performed (useful for …

…extension-netimgui) (#35)
britzl · Nov 1, 2023 · 09530e5 · 09530e5
1 parent 263937d
commit 09530e5
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Showing 2 changed files with 25 additions and 3 deletions.
diff --git a/imgui/api/imgui.script_api b/imgui/api/imgui.script_api
@@ -1204,6 +1204,15 @@
       - name: sizey
         type: number
 
+#*****************************************************************************************************
+
+  - name: set_rendering_enabled
+    type: function
+
+    parameters:
+      - name: enabled
+        type: boolean
+
 #*****************************************************************************************************
 #***** INPUT *****************************************************************************************
 #*****************************************************************************************************

diff --git a/imgui/src/extension_imgui.cpp b/imgui/src/extension_imgui.cpp
@@ -43,7 +43,7 @@ static char* g_imgui_TextBuffer     = 0;
 static dmArray<ImFont*> g_imgui_Fonts;
 static dmArray<ImgObject> g_imgui_Images;
 static bool g_VerifyGraphicsCalls   = false;
-
+static bool g_RenderingEnabled      = true;
 
 
 static void imgui_ClearGLError()
@@ -1896,7 +1896,12 @@ static dmExtension::Result imgui_Draw(dmExtension::Params* params)
 {
     imgui_NewFrame();
     ImGui::Render();
-    ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+
+    if (g_RenderingEnabled)
+    {
+        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+    }
+
     imgui_ClearGLError();
 
     g_imgui_NewFrame = false;
@@ -1960,6 +1965,14 @@ static int imgui_DrawProgressBar(lua_State* L)
     return 0;
 }
 
+static int imgui_SetRenderingEnabled(lua_State* L)
+{
+    DM_LUA_STACK_CHECK(L, 0);
+    bool enabled = lua_toboolean(L, 1);
+    g_RenderingEnabled = enabled;
+    return 0;
+}
+
 // ----------------------------
 // ----- INPUT CAPTURE -----------------
 // ----------------------------
@@ -2196,7 +2209,7 @@ static const luaL_reg Module_methods[] =
     {"draw_rect_filled", imgui_DrawRectFilled},
     {"draw_line", imgui_DrawLine},
     {"draw_progress", imgui_DrawProgressBar},
-
+    {"set_rendering_enabled", imgui_SetRenderingEnabled},
     {"demo", imgui_Demo},
 
     {"set_mouse_input", imgui_SetMouseInput},