Backends: all backends + demo now call IMGUI_CHECKVERSION() to verify ABI compatibility between caller code and compiled version of dear imgui. (#7568)
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510eb8f480
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5e23680454
@ -423,6 +423,7 @@ static ImGuiKey ImGui_ImplAllegro5_KeyCodeToImGuiKey(int key_code)
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bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display)
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bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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// Setup backend capabilities flags
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// Setup backend capabilities flags
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@ -263,6 +263,8 @@ int32_t ImGui_ImplAndroid_HandleInputEvent(const AInputEvent* input_event)
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bool ImGui_ImplAndroid_Init(ANativeWindow* window)
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bool ImGui_ImplAndroid_Init(ANativeWindow* window)
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{
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{
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IMGUI_CHECKVERSION();
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g_Window = window;
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g_Window = window;
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g_Time = 0.0;
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g_Time = 0.0;
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@ -534,6 +534,7 @@ void ImGui_ImplDX10_InvalidateDeviceObjects()
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bool ImGui_ImplDX10_Init(ID3D10Device* device)
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bool ImGui_ImplDX10_Init(ID3D10Device* device)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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// Setup backend capabilities flags
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// Setup backend capabilities flags
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@ -546,6 +546,7 @@ void ImGui_ImplDX11_InvalidateDeviceObjects()
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bool ImGui_ImplDX11_Init(ID3D11Device* device, ID3D11DeviceContext* device_context)
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bool ImGui_ImplDX11_Init(ID3D11Device* device, ID3D11DeviceContext* device_context)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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// Setup backend capabilities flags
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// Setup backend capabilities flags
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@ -702,6 +702,7 @@ bool ImGui_ImplDX12_Init(ID3D12Device* device, int num_frames_in_flight, DXGI_FO
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D3D12_CPU_DESCRIPTOR_HANDLE font_srv_cpu_desc_handle, D3D12_GPU_DESCRIPTOR_HANDLE font_srv_gpu_desc_handle)
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D3D12_CPU_DESCRIPTOR_HANDLE font_srv_cpu_desc_handle, D3D12_GPU_DESCRIPTOR_HANDLE font_srv_gpu_desc_handle)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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// Setup backend capabilities flags
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// Setup backend capabilities flags
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@ -285,6 +285,7 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
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bool ImGui_ImplDX9_Init(IDirect3DDevice9* device)
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bool ImGui_ImplDX9_Init(IDirect3DDevice9* device)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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// Setup backend capabilities flags
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// Setup backend capabilities flags
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@ -556,6 +556,7 @@ void ImGui_ImplGlfw_SetCallbacksChainForAllWindows(bool chain_for_all_windows)
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static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, GlfwClientApi client_api)
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static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, GlfwClientApi client_api)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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//printf("GLFW_VERSION: %d.%d.%d (%d)", GLFW_VERSION_MAJOR, GLFW_VERSION_MINOR, GLFW_VERSION_REVISION, GLFW_VERSION_COMBINED);
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//printf("GLFW_VERSION: %d.%d.%d (%d)", GLFW_VERSION_MAJOR, GLFW_VERSION_MINOR, GLFW_VERSION_REVISION, GLFW_VERSION_COMBINED);
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@ -167,6 +167,7 @@ static ImGuiKey ImGui_ImplGLUT_KeyToImGuiKey(int key)
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bool ImGui_ImplGLUT_Init()
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bool ImGui_ImplGLUT_Init()
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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#ifdef FREEGLUT
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#ifdef FREEGLUT
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io.BackendPlatformName = "imgui_impl_glut (freeglut)";
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io.BackendPlatformName = "imgui_impl_glut (freeglut)";
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@ -79,7 +79,6 @@ struct ImGui_ImplMetal_Data
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ImGui_ImplMetal_Data() { memset(this, 0, sizeof(*this)); }
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ImGui_ImplMetal_Data() { memset(this, 0, sizeof(*this)); }
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};
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};
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static ImGui_ImplMetal_Data* ImGui_ImplMetal_CreateBackendData() { return IM_NEW(ImGui_ImplMetal_Data)(); }
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static ImGui_ImplMetal_Data* ImGui_ImplMetal_GetBackendData() { return ImGui::GetCurrentContext() ? (ImGui_ImplMetal_Data*)ImGui::GetIO().BackendRendererUserData : nullptr; }
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static ImGui_ImplMetal_Data* ImGui_ImplMetal_GetBackendData() { return ImGui::GetCurrentContext() ? (ImGui_ImplMetal_Data*)ImGui::GetIO().BackendRendererUserData : nullptr; }
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static void ImGui_ImplMetal_DestroyBackendData(){ IM_DELETE(ImGui_ImplMetal_GetBackendData()); }
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static void ImGui_ImplMetal_DestroyBackendData(){ IM_DELETE(ImGui_ImplMetal_GetBackendData()); }
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@ -125,8 +124,11 @@ bool ImGui_ImplMetal_CreateDeviceObjects(MTL::Device* device)
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bool ImGui_ImplMetal_Init(id<MTLDevice> device)
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bool ImGui_ImplMetal_Init(id<MTLDevice> device)
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{
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{
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ImGui_ImplMetal_Data* bd = ImGui_ImplMetal_CreateBackendData();
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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ImGui_ImplMetal_Data* bd = IM_NEW(ImGui_ImplMetal_Data)();
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io.BackendRendererUserData = (void*)bd;
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io.BackendRendererUserData = (void*)bd;
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io.BackendRendererName = "imgui_impl_metal";
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io.BackendRendererName = "imgui_impl_metal";
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io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
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io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
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@ -83,6 +83,7 @@ static ImGui_ImplOpenGL2_Data* ImGui_ImplOpenGL2_GetBackendData()
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bool ImGui_ImplOpenGL2_Init()
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bool ImGui_ImplOpenGL2_Init()
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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// Setup backend capabilities flags
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// Setup backend capabilities flags
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@ -275,6 +275,7 @@ struct ImGui_ImplOpenGL3_VtxAttribState
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bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
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bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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// Initialize our loader
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// Initialize our loader
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@ -84,7 +84,6 @@ struct ImGui_ImplOSX_Data
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ImGui_ImplOSX_Data() { memset(this, 0, sizeof(*this)); }
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ImGui_ImplOSX_Data() { memset(this, 0, sizeof(*this)); }
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};
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};
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static ImGui_ImplOSX_Data* ImGui_ImplOSX_CreateBackendData() { return IM_NEW(ImGui_ImplOSX_Data)(); }
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static ImGui_ImplOSX_Data* ImGui_ImplOSX_GetBackendData() { return (ImGui_ImplOSX_Data*)ImGui::GetIO().BackendPlatformUserData; }
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static ImGui_ImplOSX_Data* ImGui_ImplOSX_GetBackendData() { return (ImGui_ImplOSX_Data*)ImGui::GetIO().BackendPlatformUserData; }
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static void ImGui_ImplOSX_DestroyBackendData() { IM_DELETE(ImGui_ImplOSX_GetBackendData()); }
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static void ImGui_ImplOSX_DestroyBackendData() { IM_DELETE(ImGui_ImplOSX_GetBackendData()); }
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@ -392,13 +391,15 @@ IMGUI_IMPL_API void ImGui_ImplOSX_NewFrame(void* _Nullable view) {
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bool ImGui_ImplOSX_Init(NSView* view)
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bool ImGui_ImplOSX_Init(NSView* view)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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ImGui_ImplOSX_Data* bd = ImGui_ImplOSX_CreateBackendData();
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IMGUI_CHECKVERSION();
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io.BackendPlatformUserData = (void*)bd;
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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// Setup backend capabilities flags
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// Setup backend capabilities flags
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ImGui_ImplOSX_Data* bd = IM_NEW(ImGui_ImplOSX_Data)();
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io.BackendPlatformUserData = (void*)bd;
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io.BackendPlatformName = "imgui_impl_osx";
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io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional)
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io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional)
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//io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used)
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//io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used)
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io.BackendPlatformName = "imgui_impl_osx";
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bd->Observer = [ImGuiObserver new];
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bd->Observer = [ImGuiObserver new];
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@ -400,6 +400,7 @@ bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
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static bool ImGui_ImplSDL2_Init(SDL_Window* window, SDL_Renderer* renderer)
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static bool ImGui_ImplSDL2_Init(SDL_Window* window, SDL_Renderer* renderer)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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// Check and store if we are on a SDL backend that supports global mouse position
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// Check and store if we are on a SDL backend that supports global mouse position
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@ -369,6 +369,7 @@ static void ImGui_ImplSDL3_SetupPlatformHandles(ImGuiViewport* viewport, SDL_Win
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static bool ImGui_ImplSDL3_Init(SDL_Window* window, SDL_Renderer* renderer, void* sdl_gl_context)
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static bool ImGui_ImplSDL3_Init(SDL_Window* window, SDL_Renderer* renderer, void* sdl_gl_context)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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IM_UNUSED(sdl_gl_context); // Unused in this branch
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IM_UNUSED(sdl_gl_context); // Unused in this branch
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@ -63,6 +63,7 @@ static ImGui_ImplSDLRenderer2_Data* ImGui_ImplSDLRenderer2_GetBackendData()
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bool ImGui_ImplSDLRenderer2_Init(SDL_Renderer* renderer)
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bool ImGui_ImplSDLRenderer2_Init(SDL_Renderer* renderer)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(renderer != nullptr && "SDL_Renderer not initialized!");
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IM_ASSERT(renderer != nullptr && "SDL_Renderer not initialized!");
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@ -59,6 +59,7 @@ static ImGui_ImplSDLRenderer3_Data* ImGui_ImplSDLRenderer3_GetBackendData()
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bool ImGui_ImplSDLRenderer3_Init(SDL_Renderer* renderer)
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bool ImGui_ImplSDLRenderer3_Init(SDL_Renderer* renderer)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(renderer != nullptr && "SDL_Renderer not initialized!");
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IM_ASSERT(renderer != nullptr && "SDL_Renderer not initialized!");
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@ -1092,6 +1092,7 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info)
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}
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}
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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// Setup backend capabilities flags
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// Setup backend capabilities flags
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@ -724,6 +724,7 @@ void ImGui_ImplWGPU_InvalidateDeviceObjects()
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bool ImGui_ImplWGPU_Init(ImGui_ImplWGPU_InitInfo* init_info)
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bool ImGui_ImplWGPU_Init(ImGui_ImplWGPU_InitInfo* init_info)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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// Setup backend capabilities flags
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// Setup backend capabilities flags
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@ -146,6 +146,7 @@ static void ImGui_ImplWin32_UpdateKeyboardCodePage()
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static bool ImGui_ImplWin32_InitEx(void* hwnd, bool platform_has_own_dc)
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static bool ImGui_ImplWin32_InitEx(void* hwnd, bool platform_has_own_dc)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
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INT64 perf_frequency, perf_counter;
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INT64 perf_frequency, perf_counter;
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@ -44,6 +44,9 @@ Breaking changes:
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Other changes:
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Other changes:
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- Tables: fixed cell background of fully clipped row overlapping with header. (#7575, #7041) [@prabuinet]
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- Tables: fixed cell background of fully clipped row overlapping with header. (#7575, #7041) [@prabuinet]
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- Backends: all backends + demo now call IMGUI_CHECKVERSION() to verify ABI compatibility between caller
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code and compiled version of Dear ImGui. If you get an assert it most likely mean you have a build issue,
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read comments near the assert. (#7568)
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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@ -9639,8 +9639,8 @@ bool ImGui::Shortcut(ImGuiKeyChord key_chord, ImGuiID owner_id, ImGuiInputFlags
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// [SECTION] ERROR CHECKING
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// [SECTION] ERROR CHECKING
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// Helper function to verify ABI compatibility between caller code and compiled version of Dear ImGui.
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// Verify ABI compatibility between caller code and compiled version of Dear ImGui. This helps detects some build issues.
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// This is called by IMGUI_CHECKVERSION().
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// Called by IMGUI_CHECKVERSION().
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// Verify that the type sizes are matching between the calling file's compilation unit and imgui.cpp's compilation unit
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// Verify that the type sizes are matching between the calling file's compilation unit and imgui.cpp's compilation unit
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// If this triggers you have mismatched headers and compiled code versions.
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// If this triggers you have mismatched headers and compiled code versions.
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// - It could be because of a build issue (using new headers with old compiled code)
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// - It could be because of a build issue (using new headers with old compiled code)
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2
imgui.h
2
imgui.h
@ -90,6 +90,8 @@ Index of this file:
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#endif
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#endif
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#define IM_ARRAYSIZE(_ARR) ((int)(sizeof(_ARR) / sizeof(*(_ARR)))) // Size of a static C-style array. Don't use on pointers!
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#define IM_ARRAYSIZE(_ARR) ((int)(sizeof(_ARR) / sizeof(*(_ARR)))) // Size of a static C-style array. Don't use on pointers!
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#define IM_UNUSED(_VAR) ((void)(_VAR)) // Used to silence "unused variable warnings". Often useful as asserts may be stripped out from final builds.
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#define IM_UNUSED(_VAR) ((void)(_VAR)) // Used to silence "unused variable warnings". Often useful as asserts may be stripped out from final builds.
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// Check that version and structures layouts are matching between compiled imgui code and caller. Read comments above DebugCheckVersionAndDataLayout() for details.
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#define IMGUI_CHECKVERSION() ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
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#define IMGUI_CHECKVERSION() ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
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// Helper Macros - IM_FMTARGS, IM_FMTLIST: Apply printf-style warnings to our formatting functions.
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// Helper Macros - IM_FMTARGS, IM_FMTLIST: Apply printf-style warnings to our formatting functions.
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@ -266,6 +266,9 @@ void ImGui::ShowDemoWindow(bool* p_open)
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// Most functions would normally just assert/crash if the context is missing.
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// Most functions would normally just assert/crash if the context is missing.
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IM_ASSERT(ImGui::GetCurrentContext() != NULL && "Missing Dear ImGui context. Refer to examples app!");
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IM_ASSERT(ImGui::GetCurrentContext() != NULL && "Missing Dear ImGui context. Refer to examples app!");
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// Verify ABI compatibility between caller code and compiled version of Dear ImGui. This helps detects some build issues.
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IMGUI_CHECKVERSION();
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// Examples Apps (accessible from the "Examples" menu)
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// Examples Apps (accessible from the "Examples" menu)
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static bool show_app_main_menu_bar = false;
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static bool show_app_main_menu_bar = false;
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static bool show_app_console = false;
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static bool show_app_console = false;
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Reference in New Issue
Block a user