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xo-imgui: imgui_ex4 working on native ubuntu

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requires etc/hostubuntu shim
This commit is contained in:
Roland Conybeare 2025-11-12 10:00:30 -05:00
commit 5fcfadce9a
5 changed files with 555 additions and 586 deletions
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14
xo-imgui/example/ex4/imgui_ex4.cpp
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@ -1,9 +1,6 @@
/* imgui_ex4.cpp */
#include "xo/imgui/VulkanApp.hpp"
#ifdef TEMPORARILY_REMOVE
#include "xo/imgui/ImRect.hpp"
#endif
#include "AppState.hpp"
#include "DrawState.hpp"
#include <backends/imgui_impl_sdl2.h>
@ -87,9 +84,7 @@ namespace {
{
scope log(XO_DEBUG(false));
#ifdef TEMPORARILY_REMOVE
app_duty_cycle_top(p_app_state, p_draw_state);
#endif
log && log(xtag("imgui_cx", (void*)ImGui::GetCurrentContext()));
@ -98,7 +93,6 @@ namespace {
ImGui_ImplSDL2_NewFrame();
ImGui::NewFrame();
#ifdef TEMPORARILY_REMOVE
log && log("after NewFrame", xtag("imgui_cx", (void*)ImGui::GetCurrentContext()));
ImGuiIO & io = ImGui::GetIO(); (void)io;
@ -113,12 +107,10 @@ namespace {
| ImGuiWindowFlags_NoNavFocus | ImGuiWindowFlags_NoDecoration);
ImGui::End();
# endif
#endif
// 1. create a simple ImGui window
ImGui::Begin("Hello, Vulkan + SDL2!");
ImGui::Text("This is a minimal ImGui + Vulkan + SDL2 example!");
#ifdef TEMPORARILY_REMOVE
ImGui::Text("appl average %.3f ms/frame (%.1f fps)",
1000.0f / io.Framerate, io.Framerate);
@ -212,15 +204,12 @@ namespace {
p_app_state->copy_detail_tenured_dest_size_ = 0;
}
}
#endif
ImGui::End();
#ifdef TEMPORARILY_REMOVE
// 2. big demo window
if (p_draw_state->show_demo_window_)
ImGui::ShowDemoWindow(&p_draw_state->show_demo_window_);
#endif
// Rendering
ImGui::Render();
@ -296,13 +285,10 @@ int main() {
= make_imgui_draw_frame(&app_state, &draw_state, &f, &counter);
VulkanApp vk_app(draw_fn);
/* establishes imgui context */
vk_app.setup(app_imgui_load_fonts);
#ifdef NOT_YET
app_state.gc_->add_gc_copy_callback
(draw_state.make_gc_copy_animation(&app_state));
#endif
try {
vk_app.main_loop();