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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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ocornut 2024-05-13 15:07:13 +02:00
parent 510eb8f480
commit 5e23680454
23 changed files with 42 additions and 13 deletions
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6
backends/imgui_impl_metal.mm
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@ -79,7 +79,6 @@ struct ImGui_ImplMetal_Data
ImGui_ImplMetal_Data() { memset(this, 0, sizeof(*this)); }
};
static ImGui_ImplMetal_Data* ImGui_ImplMetal_CreateBackendData() { return IM_NEW(ImGui_ImplMetal_Data)(); }
static ImGui_ImplMetal_Data* ImGui_ImplMetal_GetBackendData() { return ImGui::GetCurrentContext() ? (ImGui_ImplMetal_Data*)ImGui::GetIO().BackendRendererUserData : nullptr; }
static void ImGui_ImplMetal_DestroyBackendData(){ IM_DELETE(ImGui_ImplMetal_GetBackendData()); }
@ -125,8 +124,11 @@ bool ImGui_ImplMetal_CreateDeviceObjects(MTL::Device* device)
bool ImGui_ImplMetal_Init(id<MTLDevice> device)
{
ImGui_ImplMetal_Data* bd = ImGui_ImplMetal_CreateBackendData();
ImGuiIO& io = ImGui::GetIO();
IMGUI_CHECKVERSION();
IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
ImGui_ImplMetal_Data* bd = IM_NEW(ImGui_ImplMetal_Data)();
io.BackendRendererUserData = (void*)bd;
io.BackendRendererName = "imgui_impl_metal";
io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.