Files
Faset_Engine/tests/editor_debug_overlay.cpp
T

184 lines
9.4 KiB
C++

#include <faset/editor/debug_overlay.hpp>
#include <algorithm>
#include <iostream>
#include <stdexcept>
using namespace faset;
void require(bool value, const char* message) {
if (!value)
throw std::runtime_error(message);
}
int main(int argc, char** argv) {
try {
render::Renderer renderer({640, 420, "Faset developer diagnostics test", true, true});
editor::DebugOverlay overlay;
render::Snapshot scene;
scene.clear_color = {.05f, .06f, .07f, 1};
overlay.append(scene, renderer, 1.f / 60.f);
require(!overlay.visible() && scene.ui_triangles.empty(), "Diagnostics start hidden");
renderer.render(scene);
const auto clean = renderer.pixels();
render::Event toggle;
toggle.type = render::Event::Type::KeyDown;
toggle.key = "F12";
require(overlay.process_events(std::span(&toggle, 1)).empty() && overlay.visible(),
"F12 is consumed and shows the diagnostic overlay");
overlay.append(scene, renderer, 1.f / 60.f);
require(!scene.ui_triangles.empty() && scene.ui_triangles.front().texture,
"ImGui draw data reaches Faset's textured UI triangle API");
require(renderer.visibility_mode() == render::VisibilityMode::Direct,
"Diagnostic visibility mode starts with the renderer default");
render::Event mode_click;
mode_click.type = render::Event::Type::MouseDown;
mode_click.button = 1;
mode_click.x = 205;
mode_click.y = 99;
require(overlay.process_events(std::span(&mode_click, 1)).empty(),
"Visibility mode button captures pointer down");
scene.ui_triangles.clear();
overlay.append(scene, renderer, 1.f / 60.f);
mode_click.type = render::Event::Type::MouseUp;
require(overlay.process_events(std::span(&mode_click, 1)).empty(),
"Visibility mode button captures pointer up");
scene.ui_triangles.clear();
overlay.append(scene, renderer, 1.f / 60.f);
require(renderer.visibility_mode() == render::VisibilityMode::GpuFrustum,
"Clicking GPU frustum switches the live renderer");
scene.ui_triangles.clear();
overlay.append(scene, renderer, 1.f / 60.f);
renderer.render(scene);
auto shown = renderer.pixels();
std::size_t changed{};
for (std::size_t i = 0; i < shown.size(); ++i)
changed += shown[i] != clean[i];
require(changed > 5000, "Diagnostic panel and text alter actual Vulkan pixels");
render::Event inside;
inside.type = render::Event::Type::MouseDown;
inside.button = 1;
inside.x = 30;
inside.y = 65;
require(overlay.process_events(std::span(&inside, 1)).empty(),
"Pointer clicks in diagnostics must not edit the underlying scene");
inside.type = render::Event::Type::MouseUp;
inside.x = 600;
require(overlay.process_events(std::span(&inside, 1)).empty(),
"A diagnostic pointer gesture remains owned through release outside the panel");
inside.type = render::Event::Type::MouseDown;
require(overlay.process_events(std::span(&inside, 1)).size() == 1,
"Pointer events outside diagnostics reach the retained editor");
inside.type = render::Event::Type::MouseUp;
inside.x = 30;
require(overlay.process_events(std::span(&inside, 1)).size() == 1,
"Editor-owned release remains forwarded after crossing into diagnostics");
render::Event move = inside;
move.type = render::Event::Type::MouseMove;
render::Event wheel;
wheel.type = render::Event::Type::Wheel;
wheel.y = 1;
const render::Event inside_wheel[] = {move, wheel};
require(overlay.process_events(inside_wheel).empty(),
"Move and wheel in one event batch must not scroll the underlying editor");
move.x = 600;
const render::Event outside_wheel[] = {move, wheel};
require(overlay.process_events(outside_wheel).size() == 2,
"Move outside and wheel immediately return to the retained editor");
if (argc > 1)
renderer.capture(argv[1]);
require(overlay.process_events(std::span(&toggle, 1)).empty() && !overlay.visible(),
"F12 hides diagnostics again");
scene.ui_triangles.clear();
overlay.append(scene, renderer, 1.f / 60.f);
require(scene.ui_triangles.empty(), "Hidden diagnostics emit no geometry");
renderer.render(scene);
require(renderer.pixels() == clean, "Hiding diagnostics restores the underlying frame");
require(renderer.stats().validation_errors == 0, "Diagnostic overlay Vulkan validation");
render::RendererConfig hzb_config;
hzb_config.width = 640;
hzb_config.height = 700;
hzb_config.title = "Faset HZB diagnostics test";
hzb_config.headless = true;
hzb_config.validation = true;
hzb_config.visibility_mode = render::VisibilityMode::GpuOcclusion;
render::Renderer hzb_renderer(hzb_config);
render::Snapshot hzb_scene;
hzb_scene.view_id = "overlay-hzb-scene";
hzb_scene.eye = {4, 3, 6};
hzb_scene.view_projection = render::multiply(
render::perspective(.85f, 640.f / 700.f, .1f, 100.f),
render::look_at(hzb_scene.eye, {0, 0, 0}));
render::DrawItem cube;
cube.mesh = render::cube_mesh();
cube.instance_key = "hzb-cube";
hzb_scene.draws.push_back(cube);
hzb_renderer.render(hzb_scene);
require(hzb_renderer.hzb_debug_image(3).has_value(),
"Fixture creates a current HZB for the preview");
editor::DebugOverlay hzb_overlay;
hzb_overlay.set_visible(true);
hzb_overlay.append(hzb_scene, hzb_renderer, 1.f / 60.f);
require(!hzb_scene.ui_triangles.empty(), "HZB panel emits its normal font texture");
const auto font_texture = hzb_scene.ui_triangles.front().texture;
require(std::all_of(hzb_scene.ui_triangles.begin(), hzb_scene.ui_triangles.end(),
[&](const auto& batch) { return batch.texture == font_texture; }),
"HZB image is absent while preview toggle is off");
render::Event preview_click;
preview_click.button = 1;
preview_click.x = 34;
preview_click.y = 405;
const auto click_preview = [&] {
preview_click.type = render::Event::Type::MouseDown;
require(hzb_overlay.process_events(std::span(&preview_click, 1)).empty(),
"HZB preview checkbox captures pointer down");
hzb_scene.ui_triangles.clear();
hzb_overlay.append(hzb_scene, hzb_renderer, 1.f / 60.f);
preview_click.type = render::Event::Type::MouseUp;
require(hzb_overlay.process_events(std::span(&preview_click, 1)).empty(),
"HZB preview checkbox captures pointer up");
hzb_scene.ui_triangles.clear();
hzb_overlay.append(hzb_scene, hzb_renderer, 1.f / 60.f);
};
click_preview();
hzb_scene.ui_triangles.clear();
hzb_overlay.append(hzb_scene, hzb_renderer, 1.f / 60.f);
const auto preview = std::find_if(hzb_scene.ui_triangles.begin(),
hzb_scene.ui_triangles.end(),
[&](const auto& batch) {
return batch.texture != font_texture;
});
require(preview != hzb_scene.ui_triangles.end() && preview->texture->width == 128 &&
preview->texture->height == 128 && preview->texture->revision > 0,
"Enabled HZB preview emits the selected mip as a revised texture");
click_preview();
hzb_scene.ui_triangles.clear();
hzb_overlay.append(hzb_scene, hzb_renderer, 1.f / 60.f);
require(std::all_of(hzb_scene.ui_triangles.begin(), hzb_scene.ui_triangles.end(),
[&](const auto& batch) { return batch.texture == font_texture; }),
"Disabling HZB preview removes its texture");
click_preview();
hzb_scene.ui_triangles.clear();
hzb_overlay.append(hzb_scene, hzb_renderer, 1.f / 60.f);
hzb_renderer.render(hzb_scene);
require(hzb_renderer.stats().validation_errors == 0 &&
hzb_renderer.stats().visibility_counters_valid,
"HZB preview renders cleanly and open diagnostics enable GPU counters");
hzb_scene.ui_triangles.clear();
hzb_overlay.append(hzb_scene, hzb_renderer, 1.f / 60.f);
hzb_renderer.render(hzb_scene);
if (argc > 2)
hzb_renderer.capture(argv[2]);
hzb_overlay.set_visible(false);
hzb_scene.ui_triangles.clear();
hzb_overlay.append(hzb_scene, hzb_renderer, 1.f / 60.f);
require(hzb_scene.ui_triangles.empty(), "Hidden panel emits no HZB preview");
hzb_renderer.render(hzb_scene);
require(!hzb_renderer.stats().visibility_counters_valid,
"Closing diagnostics disables GPU visibility readback");
std::cout << "ImGui diagnostics, F12, font atlas, clipping and event isolation passed\n";
return 0;
} catch (const std::exception& error) {
std::cerr << error.what() << '\n';
return 1;
}
}