Files
QuaternionEngine/src/core/engine_ui.cpp

1400 lines
58 KiB
C++

// ImGui debug UI helpers for VulkanEngine.
//
// This file contains the immediate-mode ImGui widgets that expose engine
// statistics, render-graph inspection, texture streaming controls, etc.
// The main frame loop in vk_engine.cpp simply calls vk_engine_draw_debug_ui().
#include "engine.h"
#include "imgui.h"
#include "ImGuizmo.h"
#include "render/primitives.h"
#include "vk_mem_alloc.h"
#include "render/passes/tonemap.h"
#include "render/passes/fxaa.h"
#include "render/passes/background.h"
#include <glm/gtx/euler_angles.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include "render/graph/graph.h"
#include "core/pipeline/manager.h"
#include "core/assets/texture_cache.h"
#include "core/assets/ibl_manager.h"
#include "device/images.h"
#include "context.h"
#include <core/types.h>
#include <cstring>
#include "mesh_bvh.h"
namespace
{
// Background / compute playground
static void ui_background(VulkanEngine *eng)
{
if (!eng || !eng->_renderPassManager) return;
auto *background_pass = eng->_renderPassManager->getPass<BackgroundPass>();
if (!background_pass)
{
ImGui::TextUnformatted("Background pass not available");
return;
}
ComputeEffect &selected = background_pass->_backgroundEffects[background_pass->_currentEffect];
ImGui::Text("Selected effect: %s", selected.name);
ImGui::SliderInt("Effect Index", &background_pass->_currentEffect, 0,
(int) background_pass->_backgroundEffects.size() - 1);
ImGui::InputFloat4("data1", reinterpret_cast<float *>(&selected.data.data1));
ImGui::InputFloat4("data2", reinterpret_cast<float *>(&selected.data.data2));
ImGui::InputFloat4("data3", reinterpret_cast<float *>(&selected.data.data3));
ImGui::InputFloat4("data4", reinterpret_cast<float *>(&selected.data.data4));
ImGui::Separator();
ImGui::TextUnformatted("Render Resolution");
static int pendingLogicalW = 0;
static int pendingLogicalH = 0;
if (pendingLogicalW <= 0 || pendingLogicalH <= 0)
{
pendingLogicalW = static_cast<int>(eng->_logicalRenderExtent.width);
pendingLogicalH = static_cast<int>(eng->_logicalRenderExtent.height);
}
ImGui::InputInt("Logical Width", &pendingLogicalW);
ImGui::InputInt("Logical Height", &pendingLogicalH);
if (ImGui::Button("Apply Logical Resolution"))
{
uint32_t w = static_cast<uint32_t>(pendingLogicalW > 0 ? pendingLogicalW : 1);
uint32_t h = static_cast<uint32_t>(pendingLogicalH > 0 ? pendingLogicalH : 1);
eng->set_logical_render_extent(VkExtent2D{w, h});
}
ImGui::SameLine();
if (ImGui::Button("720p"))
{
pendingLogicalW = 1280;
pendingLogicalH = 720;
}
ImGui::SameLine();
if (ImGui::Button("1080p"))
{
pendingLogicalW = 1920;
pendingLogicalH = 1080;
}
ImGui::SameLine();
if (ImGui::Button("1440p"))
{
pendingLogicalW = 2560;
pendingLogicalH = 1440;
}
static float pendingScale = 1.0f;
if (!ImGui::IsAnyItemActive())
{
pendingScale = eng->renderScale;
}
bool scaleChanged = ImGui::SliderFloat("Render Scale", &pendingScale, 0.25f, 2.0f);
bool applyScale = scaleChanged && ImGui::IsItemDeactivatedAfterEdit();
ImGui::SameLine();
applyScale = ImGui::Button("Apply Scale") || applyScale;
if (applyScale)
{
eng->set_render_scale(pendingScale);
}
}
// IBL test grid spawner (spheres varying metallic/roughness)
static void spawn_ibl_test(VulkanEngine *eng)
{
if (!eng || !eng->_assetManager || !eng->_sceneManager) return;
using MC = GLTFMetallic_Roughness::MaterialConstants;
std::vector<Vertex> verts;
std::vector<uint32_t> inds;
primitives::buildSphere(verts, inds, 24, 24);
const float mVals[5] = {0.0f, 0.25f, 0.5f, 0.75f, 1.0f};
const float rVals[5] = {0.04f, 0.25f, 0.5f, 0.75f, 1.0f};
const float spacing = 1.6f;
const glm::vec3 origin(-spacing * 2.0f, 0.0f, -spacing * 2.0f);
for (int iy = 0; iy < 5; ++iy)
{
for (int ix = 0; ix < 5; ++ix)
{
MC c{};
c.colorFactors = glm::vec4(0.82f, 0.82f, 0.82f, 1.0f);
c.metal_rough_factors = glm::vec4(mVals[ix], rVals[iy], 0.0f, 0.0f);
const std::string base = fmt::format("ibltest.m{}_r{}", ix, iy);
auto mat = eng->_assetManager->createMaterialFromConstants(base + ".mat", c, MaterialPass::MainColor);
auto mesh = eng->_assetManager->createMesh(base + ".mesh",
std::span<Vertex>(verts.data(), verts.size()),
std::span<uint32_t>(inds.data(), inds.size()),
mat);
const glm::vec3 pos = origin + glm::vec3(ix * spacing, 0.5f, iy * spacing);
glm::mat4 M = glm::translate(glm::mat4(1.0f), pos);
eng->_sceneManager->addMeshInstance(base + ".inst", mesh, M, BoundsType::Sphere);
eng->_iblTestNames.push_back(base + ".inst");
eng->_iblTestNames.push_back(base + ".mesh");
eng->_iblTestNames.push_back(base + ".mat");
}
}
// Chrome and glass extras
{
MC chrome{};
chrome.colorFactors = glm::vec4(0.9f, 0.9f, 0.9f, 1.0f);
chrome.metal_rough_factors = glm::vec4(1.0f, 0.06f, 0, 0);
auto mat = eng->_assetManager->createMaterialFromConstants("ibltest.chrome.mat", chrome,
MaterialPass::MainColor);
auto mesh = eng->_assetManager->createMesh("ibltest.chrome.mesh",
std::span<Vertex>(verts.data(), verts.size()),
std::span<uint32_t>(inds.data(), inds.size()),
mat);
glm::mat4 M = glm::translate(glm::mat4(1.0f), origin + glm::vec3(5.5f, 0.5f, 0.0f));
eng->_sceneManager->addMeshInstance("ibltest.chrome.inst", mesh, M, BoundsType::Sphere);
eng->_iblTestNames.insert(eng->_iblTestNames.end(),
{"ibltest.chrome.inst", "ibltest.chrome.mesh", "ibltest.chrome.mat"});
} {
MC glass{};
glass.colorFactors = glm::vec4(0.9f, 0.95f, 1.0f, 0.25f);
glass.metal_rough_factors = glm::vec4(0.0f, 0.02f, 0, 0);
auto mat = eng->_assetManager->createMaterialFromConstants("ibltest.glass.mat", glass,
MaterialPass::Transparent);
auto mesh = eng->_assetManager->createMesh("ibltest.glass.mesh",
std::span<Vertex>(verts.data(), verts.size()),
std::span<uint32_t>(inds.data(), inds.size()),
mat);
glm::mat4 M = glm::translate(glm::mat4(1.0f), origin + glm::vec3(5.5f, 0.5f, 2.0f));
eng->_sceneManager->addMeshInstance("ibltest.glass.inst", mesh, M, BoundsType::Sphere);
eng->_iblTestNames.insert(eng->_iblTestNames.end(),
{"ibltest.glass.inst", "ibltest.glass.mesh", "ibltest.glass.mat"});
}
}
static void clear_ibl_test(VulkanEngine *eng)
{
if (!eng || !eng->_sceneManager || !eng->_assetManager) return;
for (size_t i = 0; i < eng->_iblTestNames.size(); ++i)
{
const std::string &n = eng->_iblTestNames[i];
// Remove instances and meshes by prefix
if (n.ends_with(".inst")) eng->_sceneManager->removeMeshInstance(n);
else if (n.ends_with(".mesh")) eng->_assetManager->removeMesh(n);
}
eng->_iblTestNames.clear();
}
static void ui_ibl(VulkanEngine *eng)
{
if (!eng) return;
if (ImGui::Button("Spawn IBL Test Grid")) { spawn_ibl_test(eng); }
ImGui::SameLine();
if (ImGui::Button("Clear IBL Test")) { clear_ibl_test(eng); }
ImGui::TextUnformatted(
"5x5 spheres: metallic across columns, roughness across rows.\nExtra: chrome + glass.");
ImGui::Separator();
// Post-processing: FXAA
if (auto *fx = eng->_renderPassManager ? eng->_renderPassManager->getPass<FxaaPass>() : nullptr)
{
bool fxaaEnabled = fx->enabled();
if (ImGui::Checkbox("FXAA", &fxaaEnabled))
{
fx->set_enabled(fxaaEnabled);
}
float edgeTh = fx->edge_threshold();
if (ImGui::SliderFloat("FXAA Edge Threshold", &edgeTh, 0.01f, 0.5f))
{
fx->set_edge_threshold(edgeTh);
}
float edgeThMin = fx->edge_threshold_min();
if (ImGui::SliderFloat("FXAA Edge Threshold Min", &edgeThMin, 0.0f, 0.1f))
{
fx->set_edge_threshold_min(edgeThMin);
}
}
else
{
ImGui::TextUnformatted("FXAA pass not available");
}
ImGui::TextUnformatted("IBL Volumes (reflection probes)");
if (!eng->_iblManager)
{
ImGui::TextUnformatted("IBLManager not available");
return;
}
if (eng->_activeIBLVolume < 0)
{
ImGui::TextUnformatted("Active IBL: Global");
}
else
{
ImGui::Text("Active IBL: Volume %d", eng->_activeIBLVolume);
}
if (ImGui::Button("Add IBL Volume"))
{
VulkanEngine::IBLVolume vol{};
if (eng->_sceneManager)
{
vol.center = eng->_sceneManager->getMainCamera().position;
}
vol.halfExtents = glm::vec3(10.0f, 10.0f, 10.0f);
vol.paths = eng->_globalIBLPaths;
eng->_iblVolumes.push_back(vol);
}
for (size_t i = 0; i < eng->_iblVolumes.size(); ++i)
{
auto &vol = eng->_iblVolumes[i];
ImGui::PushID(static_cast<int>(i));
ImGui::Separator();
ImGui::Text("Volume %zu", i);
ImGui::Checkbox("Enabled", &vol.enabled);
ImGui::InputFloat3("Center", &vol.center.x);
ImGui::InputFloat3("Half Extents", &vol.halfExtents.x);
// Simple path editors; store absolute or engine-local paths.
char specBuf[256]{};
char diffBuf[256]{};
char bgBuf[256]{};
char brdfBuf[256]{};
std::strncpy(specBuf, vol.paths.specularCube.c_str(), sizeof(specBuf) - 1);
std::strncpy(diffBuf, vol.paths.diffuseCube.c_str(), sizeof(diffBuf) - 1);
std::strncpy(bgBuf, vol.paths.background2D.c_str(), sizeof(bgBuf) - 1);
std::strncpy(brdfBuf, vol.paths.brdfLut2D.c_str(), sizeof(brdfBuf) - 1);
if (ImGui::InputText("Specular path", specBuf, IM_ARRAYSIZE(specBuf)))
{
vol.paths.specularCube = specBuf;
}
if (ImGui::InputText("Diffuse path", diffBuf, IM_ARRAYSIZE(diffBuf)))
{
vol.paths.diffuseCube = diffBuf;
}
if (ImGui::InputText("Background path", bgBuf, IM_ARRAYSIZE(bgBuf)))
{
vol.paths.background2D = bgBuf;
}
if (ImGui::InputText("BRDF LUT path", brdfBuf, IM_ARRAYSIZE(brdfBuf)))
{
vol.paths.brdfLut2D = brdfBuf;
}
if (ImGui::Button("Reload This Volume IBL"))
{
if (eng->_iblManager && vol.enabled)
{
if (eng->_iblManager->load_async(vol.paths))
{
eng->_pendingIBLRequest.active = true;
eng->_pendingIBLRequest.targetVolume = static_cast<int>(i);
eng->_pendingIBLRequest.paths = vol.paths;
}
}
}
ImGui::SameLine();
if (ImGui::Button("Set As Global IBL"))
{
eng->_globalIBLPaths = vol.paths;
if (eng->_iblManager)
{
if (eng->_iblManager->load_async(eng->_globalIBLPaths))
{
eng->_pendingIBLRequest.active = true;
eng->_pendingIBLRequest.targetVolume = -1;
eng->_pendingIBLRequest.paths = eng->_globalIBLPaths;
eng->_hasGlobalIBL = false;
}
}
}
ImGui::PopID();
}
}
// Quick stats & targets overview
static void ui_overview(VulkanEngine *eng)
{
if (!eng) return;
ImGui::Text("frametime %.2f ms", eng->stats.frametime);
ImGui::Text("draw time %.2f ms", eng->stats.mesh_draw_time);
ImGui::Text("update time %.2f ms", eng->_sceneManager->stats.scene_update_time);
ImGui::Text("triangles %i", eng->stats.triangle_count);
ImGui::Text("draws %i", eng->stats.drawcall_count);
ImGui::Separator();
ImGui::Text("Draw extent: %ux%u", eng->_drawExtent.width, eng->_drawExtent.height);
auto scExt = eng->_swapchainManager->swapchainExtent();
ImGui::Text("Swapchain: %ux%u", scExt.width, scExt.height);
ImGui::Text("Draw fmt: %s", string_VkFormat(eng->_swapchainManager->drawImage().imageFormat));
ImGui::Text("Swap fmt: %s", string_VkFormat(eng->_swapchainManager->swapchainImageFormat()));
}
// Texture streaming + budget UI
static const char *stateName(uint8_t s)
{
switch (s)
{
case 0: return "Unloaded";
case 1: return "Loading";
case 2: return "Resident";
case 3: return "Evicted";
default: return "?";
}
}
static void ui_textures(VulkanEngine *eng)
{
if (!eng || !eng->_textureCache)
{
ImGui::TextUnformatted("TextureCache not available");
return;
}
DeviceManager *dev = eng->_deviceManager.get();
VmaAllocator alloc = dev ? dev->allocator() : VK_NULL_HANDLE;
unsigned long long devLocalBudget = 0, devLocalUsage = 0;
if (alloc)
{
const VkPhysicalDeviceMemoryProperties *memProps = nullptr;
vmaGetMemoryProperties(alloc, &memProps);
VmaBudget budgets[VK_MAX_MEMORY_HEAPS] = {};
vmaGetHeapBudgets(alloc, budgets);
if (memProps)
{
for (uint32_t i = 0; i < memProps->memoryHeapCount; ++i)
{
if (memProps->memoryHeaps[i].flags & VK_MEMORY_HEAP_DEVICE_LOCAL_BIT)
{
devLocalBudget += budgets[i].budget;
devLocalUsage += budgets[i].usage;
}
}
}
}
const size_t texBudget = eng->query_texture_budget_bytes();
eng->_textureCache->set_gpu_budget_bytes(texBudget);
const size_t resBytes = eng->_textureCache->resident_bytes();
const size_t cpuSrcBytes = eng->_textureCache->cpu_source_bytes();
ImGui::Text("Device local: %.1f / %.1f MiB",
(double) devLocalUsage / 1048576.0,
(double) devLocalBudget / 1048576.0);
ImGui::Text("Texture budget: %.1f MiB", (double) texBudget / 1048576.0);
ImGui::Text("Resident textures: %.1f MiB", (double) resBytes / 1048576.0);
ImGui::Text("CPU source bytes: %.1f MiB", (double) cpuSrcBytes / 1048576.0);
ImGui::SameLine();
if (ImGui::Button("Trim To Budget Now"))
{
eng->_textureCache->evictToBudget(texBudget);
}
// Controls
static int loadsPerPump = 4;
loadsPerPump = eng->_textureCache->max_loads_per_pump();
if (ImGui::SliderInt("Loads/Frame", &loadsPerPump, 1, 16))
{
eng->_textureCache->set_max_loads_per_pump(loadsPerPump);
}
static int uploadBudgetMiB = 128;
uploadBudgetMiB = (int) (eng->_textureCache->max_bytes_per_pump() / 1048576ull);
if (ImGui::SliderInt("Upload Budget (MiB)", &uploadBudgetMiB, 16, 2048))
{
eng->_textureCache->set_max_bytes_per_pump((size_t) uploadBudgetMiB * 1048576ull);
}
static bool keepSources = false;
keepSources = eng->_textureCache->keep_source_bytes();
if (ImGui::Checkbox("Keep Source Bytes", &keepSources))
{
eng->_textureCache->set_keep_source_bytes(keepSources);
}
static int cpuBudgetMiB = 64;
cpuBudgetMiB = (int) (eng->_textureCache->cpu_source_budget() / 1048576ull);
if (ImGui::SliderInt("CPU Source Budget (MiB)", &cpuBudgetMiB, 0, 2048))
{
eng->_textureCache->set_cpu_source_budget((size_t) cpuBudgetMiB * 1048576ull);
}
static int maxUploadDim = 4096;
maxUploadDim = (int) eng->_textureCache->max_upload_dimension();
if (ImGui::SliderInt("Max Upload Dimension", &maxUploadDim, 0, 8192))
{
eng->_textureCache->set_max_upload_dimension((uint32_t) std::max(0, maxUploadDim));
}
TextureCache::DebugStats stats{};
std::vector<TextureCache::DebugRow> rows;
eng->_textureCache->debug_snapshot(rows, stats);
ImGui::Text("Counts R:%zu U:%zu E:%zu",
stats.countResident,
stats.countUnloaded,
stats.countEvicted);
const int topN = 12;
if (ImGui::BeginTable("texrows", 4, ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingStretchProp))
{
ImGui::TableSetupColumn("MiB", ImGuiTableColumnFlags_WidthFixed, 80);
ImGui::TableSetupColumn("State", ImGuiTableColumnFlags_WidthFixed, 90);
ImGui::TableSetupColumn("LastUsed", ImGuiTableColumnFlags_WidthFixed, 90);
ImGui::TableSetupColumn("Name");
ImGui::TableHeadersRow();
int count = 0;
for (const auto &r: rows)
{
if (count++ >= topN) break;
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("%.2f", (double) r.bytes / 1048576.0);
ImGui::TableSetColumnIndex(1);
ImGui::TextUnformatted(stateName(r.state));
ImGui::TableSetColumnIndex(2);
ImGui::Text("%u", r.lastUsed);
ImGui::TableSetColumnIndex(3);
ImGui::TextUnformatted(r.name.c_str());
}
ImGui::EndTable();
}
}
static const char *job_state_name(AsyncAssetLoader::JobState s)
{
using JS = AsyncAssetLoader::JobState;
switch (s)
{
case JS::Pending: return "Pending";
case JS::Running: return "Running";
case JS::Completed: return "Completed";
case JS::Failed: return "Failed";
case JS::Cancelled: return "Cancelled";
default: return "?";
}
}
static void ui_async_assets(VulkanEngine *eng)
{
if (!eng || !eng->_asyncLoader)
{
ImGui::TextUnformatted("AsyncAssetLoader not available");
return;
}
std::vector<AsyncAssetLoader::DebugJob> jobs;
eng->_asyncLoader->debug_snapshot(jobs);
ImGui::Text("Active jobs: %zu", jobs.size());
ImGui::Separator();
if (!jobs.empty())
{
if (ImGui::BeginTable("async_jobs", 5, ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingStretchProp))
{
ImGui::TableSetupColumn("ID", ImGuiTableColumnFlags_WidthFixed, 40);
ImGui::TableSetupColumn("Scene");
ImGui::TableSetupColumn("Model");
ImGui::TableSetupColumn("State", ImGuiTableColumnFlags_WidthFixed, 90);
ImGui::TableSetupColumn("Progress", ImGuiTableColumnFlags_WidthFixed, 180);
ImGui::TableHeadersRow();
for (const auto &j : jobs)
{
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("%u", j.id);
ImGui::TableSetColumnIndex(1);
ImGui::TextUnformatted(j.scene_name.c_str());
ImGui::TableSetColumnIndex(2);
ImGui::TextUnformatted(j.model_relative_path.c_str());
ImGui::TableSetColumnIndex(3);
ImGui::TextUnformatted(job_state_name(j.state));
ImGui::TableSetColumnIndex(4);
float p = j.progress;
ImGui::ProgressBar(p, ImVec2(-FLT_MIN, 0.0f));
if (j.texture_count > 0)
{
ImGui::SameLine();
ImGui::Text("(%zu/%zu tex)", j.textures_resident, j.texture_count);
}
}
ImGui::EndTable();
}
}
else
{
ImGui::TextUnformatted("No async asset jobs currently running.");
}
ImGui::Separator();
ImGui::TextUnformatted("Spawn async glTF instance");
static char gltfPath[256] = "mirage2000/scene.gltf";
static char gltfName[128] = "async_gltf_01";
static float gltfPos[3] = {0.0f, 0.0f, 0.0f};
static float gltfRot[3] = {0.0f, 0.0f, 0.0f};
static float gltfScale[3] = {1.0f, 1.0f, 1.0f};
ImGui::InputText("Model path (assets/models/...)", gltfPath, IM_ARRAYSIZE(gltfPath));
ImGui::InputText("Instance name", gltfName, IM_ARRAYSIZE(gltfName));
ImGui::InputFloat3("Position", gltfPos);
ImGui::InputFloat3("Rotation (deg XYZ)", gltfRot);
ImGui::InputFloat3("Scale", gltfScale);
if (ImGui::Button("Load glTF async"))
{
glm::mat4 T = glm::translate(glm::mat4(1.0f), glm::vec3(gltfPos[0], gltfPos[1], gltfPos[2]));
glm::mat4 R = glm::eulerAngleXYZ(glm::radians(gltfRot[0]),
glm::radians(gltfRot[1]),
glm::radians(gltfRot[2]));
glm::mat4 S = glm::scale(glm::mat4(1.0f), glm::vec3(gltfScale[0], gltfScale[1], gltfScale[2]));
glm::mat4 M = T * R * S;
eng->loadGLTFAsync(gltfName, gltfPath, M);
eng->preloadInstanceTextures(gltfName);
}
}
// Shadows / Ray Query controls
static void ui_shadows(VulkanEngine *eng)
{
if (!eng) return;
const bool rq = eng->_deviceManager->supportsRayQuery();
const bool as = eng->_deviceManager->supportsAccelerationStructure();
ImGui::Text("RayQuery: %s", rq ? "supported" : "not available");
ImGui::Text("AccelStruct: %s", as ? "supported" : "not available");
ImGui::Separator();
auto &ss = eng->_context->shadowSettings;
// Global on/off toggle for all shadowing.
ImGui::Checkbox("Enable Shadows", &ss.enabled);
ImGui::Separator();
ImGui::BeginDisabled(!ss.enabled);
int mode = static_cast<int>(ss.mode);
ImGui::TextUnformatted("Shadow Mode");
ImGui::RadioButton("Clipmap only", &mode, 0);
ImGui::SameLine();
ImGui::RadioButton("Clipmap + RT", &mode, 1);
ImGui::SameLine();
ImGui::RadioButton("RT only", &mode, 2);
if (!(rq && as) && mode != 0) mode = 0; // guard for unsupported HW
ss.mode = static_cast<uint32_t>(mode);
ss.hybridRayQueryEnabled = ss.enabled && (ss.mode != 0);
ImGui::BeginDisabled(ss.mode != 1u);
ImGui::TextUnformatted("Cascades using ray assist:");
for (int i = 0; i < 4; ++i)
{
bool on = (ss.hybridRayCascadesMask >> i) & 1u;
std::string label = std::string("C") + std::to_string(i);
if (ImGui::Checkbox(label.c_str(), &on))
{
if (on) ss.hybridRayCascadesMask |= (1u << i);
else ss.hybridRayCascadesMask &= ~(1u << i);
}
if (i != 3) ImGui::SameLine();
}
ImGui::SliderFloat("N·L threshold", &ss.hybridRayNoLThreshold, 0.0f, 1.0f, "%.2f");
ImGui::EndDisabled();
ImGui::EndDisabled();
ImGui::Separator();
ImGui::TextWrapped(
"Clipmap only: raster PCF+RPDB. Clipmap+RT: PCF assisted by ray query at low N·L. RT only: skip shadow maps and use ray tests only.");
}
// Render Graph inspection (passes, images, buffers)
static void ui_render_graph(VulkanEngine *eng)
{
if (!eng || !eng->_renderGraph)
{
ImGui::TextUnformatted("RenderGraph not available");
return;
}
auto &graph = *eng->_renderGraph;
std::vector<RenderGraph::RGDebugPassInfo> passInfos;
graph.debug_get_passes(passInfos);
if (ImGui::Button("Reload Pipelines")) { eng->_pipelineManager->hotReloadChanged(); }
ImGui::SameLine();
ImGui::Text("%zu passes", passInfos.size());
if (ImGui::BeginTable("passes", 8, ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingStretchProp))
{
ImGui::TableSetupColumn("Enable", ImGuiTableColumnFlags_WidthFixed, 70);
ImGui::TableSetupColumn("Name");
ImGui::TableSetupColumn("Type", ImGuiTableColumnFlags_WidthFixed, 80);
ImGui::TableSetupColumn("GPU ms", ImGuiTableColumnFlags_WidthFixed, 70);
ImGui::TableSetupColumn("CPU rec ms", ImGuiTableColumnFlags_WidthFixed, 90);
ImGui::TableSetupColumn("Imgs", ImGuiTableColumnFlags_WidthFixed, 55);
ImGui::TableSetupColumn("Bufs", ImGuiTableColumnFlags_WidthFixed, 55);
ImGui::TableSetupColumn("Attachments", ImGuiTableColumnFlags_WidthFixed, 100);
ImGui::TableHeadersRow();
auto typeName = [](RGPassType t) {
switch (t)
{
case RGPassType::Graphics: return "Graphics";
case RGPassType::Compute: return "Compute";
case RGPassType::Transfer: return "Transfer";
default: return "?";
}
};
for (size_t i = 0; i < passInfos.size(); ++i)
{
auto &pi = passInfos[i];
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
bool enabled = true;
if (auto it = eng->_rgPassToggles.find(pi.name); it != eng->_rgPassToggles.end()) enabled = it->second;
std::string chkId = std::string("##en") + std::to_string(i);
if (ImGui::Checkbox(chkId.c_str(), &enabled))
{
eng->_rgPassToggles[pi.name] = enabled;
}
ImGui::TableSetColumnIndex(1);
ImGui::TextUnformatted(pi.name.c_str());
ImGui::TableSetColumnIndex(2);
ImGui::TextUnformatted(typeName(pi.type));
ImGui::TableSetColumnIndex(3);
if (pi.gpuMillis >= 0.0f) ImGui::Text("%.2f", pi.gpuMillis);
else ImGui::TextUnformatted("-");
ImGui::TableSetColumnIndex(4);
if (pi.cpuMillis >= 0.0f) ImGui::Text("%.2f", pi.cpuMillis);
else ImGui::TextUnformatted("-");
ImGui::TableSetColumnIndex(5);
ImGui::Text("%u/%u", pi.imageReads, pi.imageWrites);
ImGui::TableSetColumnIndex(6);
ImGui::Text("%u/%u", pi.bufferReads, pi.bufferWrites);
ImGui::TableSetColumnIndex(7);
ImGui::Text("%u%s", pi.colorAttachmentCount, pi.hasDepth ? "+D" : "");
}
ImGui::EndTable();
}
if (ImGui::CollapsingHeader("Images", ImGuiTreeNodeFlags_DefaultOpen))
{
std::vector<RenderGraph::RGDebugImageInfo> imgs;
graph.debug_get_images(imgs);
if (ImGui::BeginTable("images", 7, ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingStretchProp))
{
ImGui::TableSetupColumn("Id", ImGuiTableColumnFlags_WidthFixed, 40);
ImGui::TableSetupColumn("Name");
ImGui::TableSetupColumn("Fmt", ImGuiTableColumnFlags_WidthFixed, 120);
ImGui::TableSetupColumn("Extent", ImGuiTableColumnFlags_WidthFixed, 120);
ImGui::TableSetupColumn("Imported", ImGuiTableColumnFlags_WidthFixed, 70);
ImGui::TableSetupColumn("Usage", ImGuiTableColumnFlags_WidthFixed, 80);
ImGui::TableSetupColumn("Life", ImGuiTableColumnFlags_WidthFixed, 80);
ImGui::TableHeadersRow();
for (const auto &im: imgs)
{
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("%u", im.id);
ImGui::TableSetColumnIndex(1);
ImGui::TextUnformatted(im.name.c_str());
ImGui::TableSetColumnIndex(2);
ImGui::TextUnformatted(string_VkFormat(im.format));
ImGui::TableSetColumnIndex(3);
ImGui::Text("%ux%u", im.extent.width, im.extent.height);
ImGui::TableSetColumnIndex(4);
ImGui::TextUnformatted(im.imported ? "yes" : "no");
ImGui::TableSetColumnIndex(5);
ImGui::Text("0x%x", (unsigned) im.creationUsage);
ImGui::TableSetColumnIndex(6);
ImGui::Text("%d..%d", im.firstUse, im.lastUse);
}
ImGui::EndTable();
}
}
if (ImGui::CollapsingHeader("Buffers"))
{
std::vector<RenderGraph::RGDebugBufferInfo> bufs;
graph.debug_get_buffers(bufs);
if (ImGui::BeginTable("buffers", 6, ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingStretchProp))
{
ImGui::TableSetupColumn("Id", ImGuiTableColumnFlags_WidthFixed, 40);
ImGui::TableSetupColumn("Name");
ImGui::TableSetupColumn("Size", ImGuiTableColumnFlags_WidthFixed, 100);
ImGui::TableSetupColumn("Imported", ImGuiTableColumnFlags_WidthFixed, 70);
ImGui::TableSetupColumn("Usage", ImGuiTableColumnFlags_WidthFixed, 100);
ImGui::TableSetupColumn("Life", ImGuiTableColumnFlags_WidthFixed, 80);
ImGui::TableHeadersRow();
for (const auto &bf: bufs)
{
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::Text("%u", bf.id);
ImGui::TableSetColumnIndex(1);
ImGui::TextUnformatted(bf.name.c_str());
ImGui::TableSetColumnIndex(2);
ImGui::Text("%zu", (size_t) bf.size);
ImGui::TableSetColumnIndex(3);
ImGui::TextUnformatted(bf.imported ? "yes" : "no");
ImGui::TableSetColumnIndex(4);
ImGui::Text("0x%x", (unsigned) bf.usage);
ImGui::TableSetColumnIndex(5);
ImGui::Text("%d..%d", bf.firstUse, bf.lastUse);
}
ImGui::EndTable();
}
}
}
// Pipeline manager (graphics)
static void ui_pipelines(VulkanEngine *eng)
{
if (!eng || !eng->_pipelineManager)
{
ImGui::TextUnformatted("PipelineManager not available");
return;
}
std::vector<PipelineManager::GraphicsPipelineDebugInfo> pipes;
eng->_pipelineManager->debug_get_graphics(pipes);
if (ImGui::Button("Reload Changed")) { eng->_pipelineManager->hotReloadChanged(); }
ImGui::SameLine();
ImGui::Text("%zu graphics pipelines", pipes.size());
if (ImGui::BeginTable("gfxpipes", 5, ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingStretchProp))
{
ImGui::TableSetupColumn("Name");
ImGui::TableSetupColumn("VS");
ImGui::TableSetupColumn("FS");
ImGui::TableSetupColumn("Valid", ImGuiTableColumnFlags_WidthFixed, 60);
ImGui::TableHeadersRow();
for (const auto &p: pipes)
{
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
ImGui::TextUnformatted(p.name.c_str());
ImGui::TableSetColumnIndex(1);
ImGui::TextUnformatted(p.vertexShaderPath.c_str());
ImGui::TableSetColumnIndex(2);
ImGui::TextUnformatted(p.fragmentShaderPath.c_str());
ImGui::TableSetColumnIndex(3);
ImGui::TextUnformatted(p.valid ? "yes" : "no");
}
ImGui::EndTable();
}
}
// Post-processing
static void ui_postfx(VulkanEngine *eng)
{
if (!eng) return;
if (!eng->_context) return;
EngineContext *ctx = eng->_context.get();
ImGui::TextUnformatted("Reflections");
bool ssrEnabled = ctx->enableSSR;
if (ImGui::Checkbox("Enable Screen-Space Reflections", &ssrEnabled))
{
ctx->enableSSR = ssrEnabled;
}
int reflMode = static_cast<int>(ctx->reflectionMode);
ImGui::TextUnformatted("Reflection Mode");
ImGui::RadioButton("SSR only", &reflMode, 0);
ImGui::SameLine();
ImGui::RadioButton("SSR + RT fallback", &reflMode, 1);
ImGui::SameLine();
ImGui::RadioButton("RT only", &reflMode, 2);
const bool rq = eng->_deviceManager->supportsRayQuery();
const bool as = eng->_deviceManager->supportsAccelerationStructure();
if (!(rq && as) && reflMode != 0)
{
reflMode = 0; // guard for unsupported HW
}
ctx->reflectionMode = static_cast<uint32_t>(reflMode);
ImGui::Separator();
if (auto *tm = eng->_renderPassManager ? eng->_renderPassManager->getPass<TonemapPass>() : nullptr)
{
float exp = tm->exposure();
int mode = tm->mode();
if (ImGui::SliderFloat("Exposure", &exp, 0.05f, 8.0f)) { tm->setExposure(exp); }
ImGui::TextUnformatted("Operator");
ImGui::SameLine();
if (ImGui::RadioButton("Reinhard", mode == 0))
{
mode = 0;
tm->setMode(mode);
}
ImGui::SameLine();
if (ImGui::RadioButton("ACES", mode == 1))
{
mode = 1;
tm->setMode(mode);
}
// Bloom controls
bool bloomEnabled = tm->bloomEnabled();
if (ImGui::Checkbox("Bloom", &bloomEnabled))
{
tm->setBloomEnabled(bloomEnabled);
}
float bloomThreshold = tm->bloomThreshold();
if (ImGui::SliderFloat("Bloom Threshold", &bloomThreshold, 0.0f, 5.0f))
{
tm->setBloomThreshold(bloomThreshold);
}
float bloomIntensity = tm->bloomIntensity();
if (ImGui::SliderFloat("Bloom Intensity", &bloomIntensity, 0.0f, 2.0f))
{
tm->setBloomIntensity(bloomIntensity);
}
}
else
{
ImGui::TextUnformatted("Tonemap pass not available");
}
}
// Scene debug bits
static void ui_scene(VulkanEngine *eng)
{
if (!eng) return;
const DrawContext &dc = eng->_context->getMainDrawContext();
ImGui::Text("Opaque draws: %zu", dc.OpaqueSurfaces.size());
ImGui::Text("Transp draws: %zu", dc.TransparentSurfaces.size());
ImGui::Checkbox("Use ID-buffer picking", &eng->_useIdBufferPicking);
ImGui::Text("Picking mode: %s",
eng->_useIdBufferPicking ? "ID buffer (async, 1-frame latency)" : "CPU raycast");
ImGui::Checkbox("Debug draw mesh BVH (last pick)", &eng->_debugDrawBVH);
ImGui::Separator();
// Spawn glTF instances (runtime)
ImGui::TextUnformatted("Spawn glTF instance");
static char gltfPath[256] = "mirage2000/scene.gltf";
static char gltfName[128] = "gltf_01";
static float gltfPos[3] = {0.0f, 0.0f, 0.0f};
static float gltfRot[3] = {0.0f, 0.0f, 0.0f}; // pitch, yaw, roll (deg)
static float gltfScale[3] = {1.0f, 1.0f, 1.0f};
ImGui::InputText("Model path (assets/models/...)", gltfPath, IM_ARRAYSIZE(gltfPath));
ImGui::InputText("Instance name", gltfName, IM_ARRAYSIZE(gltfName));
ImGui::InputFloat3("Position", gltfPos);
ImGui::InputFloat3("Rotation (deg XYZ)", gltfRot);
ImGui::InputFloat3("Scale", gltfScale);
if (ImGui::Button("Add glTF instance"))
{
glm::mat4 T = glm::translate(glm::mat4(1.0f), glm::vec3(gltfPos[0], gltfPos[1], gltfPos[2]));
glm::mat4 R = glm::eulerAngleXYZ(glm::radians(gltfRot[0]),
glm::radians(gltfRot[1]),
glm::radians(gltfRot[2]));
glm::mat4 S = glm::scale(glm::mat4(1.0f), glm::vec3(gltfScale[0], gltfScale[1], gltfScale[2]));
glm::mat4 M = T * R * S;
eng->addGLTFInstance(gltfName, gltfPath, M);
}
ImGui::Separator();
// Spawn primitive mesh instances (cube/sphere)
ImGui::TextUnformatted("Spawn primitive");
static int primType = 0; // 0 = cube, 1 = sphere
static char primName[128] = "prim_01";
static float primPos[3] = {0.0f, 0.0f, 0.0f};
static float primRot[3] = {0.0f, 0.0f, 0.0f};
static float primScale[3] = {1.0f, 1.0f, 1.0f};
ImGui::RadioButton("Cube", &primType, 0); ImGui::SameLine();
ImGui::RadioButton("Sphere", &primType, 1);
ImGui::InputText("Primitive name", primName, IM_ARRAYSIZE(primName));
ImGui::InputFloat3("Prim Position", primPos);
ImGui::InputFloat3("Prim Rotation (deg XYZ)", primRot);
ImGui::InputFloat3("Prim Scale", primScale);
if (ImGui::Button("Add primitive instance"))
{
std::shared_ptr<MeshAsset> mesh = (primType == 0) ? eng->cubeMesh : eng->sphereMesh;
if (mesh)
{
glm::mat4 T = glm::translate(glm::mat4(1.0f), glm::vec3(primPos[0], primPos[1], primPos[2]));
glm::mat4 R = glm::eulerAngleXYZ(glm::radians(primRot[0]),
glm::radians(primRot[1]),
glm::radians(primRot[2]));
glm::mat4 S = glm::scale(glm::mat4(1.0f), glm::vec3(primScale[0], primScale[1], primScale[2]));
glm::mat4 M = T * R * S;
eng->_sceneManager->addMeshInstance(primName, mesh, M);
}
}
// Point light editor
if (eng->_sceneManager)
{
ImGui::Separator();
ImGui::TextUnformatted("Point lights");
SceneManager *sceneMgr = eng->_sceneManager.get();
const auto &lights = sceneMgr->getPointLights();
ImGui::Text("Active lights: %zu", lights.size());
static int selectedLight = -1;
if (selectedLight >= static_cast<int>(lights.size()))
{
selectedLight = static_cast<int>(lights.size()) - 1;
}
if (ImGui::BeginListBox("Light list"))
{
for (size_t i = 0; i < lights.size(); ++i)
{
std::string label = fmt::format("Light {}", i);
const bool isSelected = (selectedLight == static_cast<int>(i));
if (ImGui::Selectable(label.c_str(), isSelected))
{
selectedLight = static_cast<int>(i);
}
}
ImGui::EndListBox();
}
// Controls for the selected light
if (selectedLight >= 0 && selectedLight < static_cast<int>(lights.size()))
{
SceneManager::PointLight pl{};
if (sceneMgr->getPointLight(static_cast<size_t>(selectedLight), pl))
{
float pos[3] = {pl.position.x, pl.position.y, pl.position.z};
float col[3] = {pl.color.r, pl.color.g, pl.color.b};
bool changed = false;
changed |= ImGui::InputFloat3("Position", pos);
changed |= ImGui::SliderFloat("Radius", &pl.radius, 0.1f, 1000.0f);
changed |= ImGui::ColorEdit3("Color", col);
changed |= ImGui::SliderFloat("Intensity", &pl.intensity, 0.0f, 100.0f);
if (changed)
{
pl.position = glm::vec3(pos[0], pos[1], pos[2]);
pl.color = glm::vec3(col[0], col[1], col[2]);
sceneMgr->setPointLight(static_cast<size_t>(selectedLight), pl);
}
if (ImGui::Button("Remove selected light"))
{
sceneMgr->removePointLight(static_cast<size_t>(selectedLight));
selectedLight = -1;
}
}
}
// Controls for adding a new light
ImGui::Separator();
ImGui::TextUnformatted("Add point light");
static float newPos[3] = {0.0f, 1.0f, 0.0f};
static float newRadius = 10.0f;
static float newColor[3] = {1.0f, 1.0f, 1.0f};
static float newIntensity = 5.0f;
ImGui::InputFloat3("New position", newPos);
ImGui::SliderFloat("New radius", &newRadius, 0.1f, 1000.0f);
ImGui::ColorEdit3("New color", newColor);
ImGui::SliderFloat("New intensity", &newIntensity, 0.0f, 100.0f);
if (ImGui::Button("Add point light"))
{
SceneManager::PointLight pl{};
pl.position = glm::vec3(newPos[0], newPos[1], newPos[2]);
pl.radius = newRadius;
pl.color = glm::vec3(newColor[0], newColor[1], newColor[2]);
pl.intensity = newIntensity;
const size_t oldCount = sceneMgr->getPointLightCount();
sceneMgr->addPointLight(pl);
selectedLight = static_cast<int>(oldCount);
}
if (ImGui::Button("Clear all lights"))
{
sceneMgr->clearPointLights();
selectedLight = -1;
}
}
ImGui::Separator();
// Delete selected model/primitive (uses last pick if valid, otherwise hover)
static std::string deleteStatus;
if (ImGui::Button("Delete selected"))
{
deleteStatus.clear();
const auto *pick = eng->_lastPick.valid ? &eng->_lastPick
: (eng->_hoverPick.valid ? &eng->_hoverPick : nullptr);
if (!pick || pick->ownerName.empty())
{
deleteStatus = "No selection to delete.";
}
else if (pick->ownerType == RenderObject::OwnerType::MeshInstance)
{
bool ok = eng->_sceneManager->removeMeshInstance(pick->ownerName);
deleteStatus = ok ? "Removed mesh instance: " + pick->ownerName
: "Mesh instance not found: " + pick->ownerName;
}
else if (pick->ownerType == RenderObject::OwnerType::GLTFInstance)
{
bool ok = eng->_sceneManager->removeGLTFInstance(pick->ownerName);
if (ok)
{
deleteStatus = "Removed glTF instance: " + pick->ownerName;
// Debug: log and clear any picks that still reference the deleted instance.
fmt::println("[Debug] GLTF delete requested for '{}'; clearing picks if they match.",
pick->ownerName);
if (eng->_lastPick.valid &&
eng->_lastPick.ownerType == RenderObject::OwnerType::GLTFInstance &&
eng->_lastPick.ownerName == pick->ownerName)
{
fmt::println("[Debug] Clearing _lastPick for deleted GLTF instance '{}'", pick->ownerName);
eng->_lastPick.valid = false;
eng->_lastPick.ownerName.clear();
eng->_lastPick.ownerType = RenderObject::OwnerType::None;
eng->_lastPick.mesh = nullptr;
eng->_lastPick.scene = nullptr;
eng->_lastPick.node = nullptr;
}
if (eng->_hoverPick.valid &&
eng->_hoverPick.ownerType == RenderObject::OwnerType::GLTFInstance &&
eng->_hoverPick.ownerName == pick->ownerName)
{
fmt::println("[Debug] Clearing _hoverPick for deleted GLTF instance '{}'", pick->ownerName);
eng->_hoverPick.valid = false;
eng->_hoverPick.ownerName.clear();
eng->_hoverPick.ownerType = RenderObject::OwnerType::None;
eng->_hoverPick.mesh = nullptr;
eng->_hoverPick.scene = nullptr;
eng->_hoverPick.node = nullptr;
}
}
else
{
deleteStatus = "glTF instance not found: " + pick->ownerName;
}
}
else
{
deleteStatus = "Cannot delete this object type (static scene).";
}
}
if (!deleteStatus.empty())
{
ImGui::TextUnformatted(deleteStatus.c_str());
}
ImGui::Separator();
if (eng->_lastPick.valid)
{
const char *meshName = eng->_lastPick.mesh ? eng->_lastPick.mesh->name.c_str() : "<unknown>";
const char *sceneName = "<none>";
if (eng->_lastPick.scene && !eng->_lastPick.scene->debugName.empty())
{
sceneName = eng->_lastPick.scene->debugName.c_str();
}
ImGui::Text("Last pick scene: %s", sceneName);
ImGui::Text("Last pick source: %s",
eng->_useIdBufferPicking ? "ID buffer" : "CPU raycast");
ImGui::Text("Last pick object ID: %u", eng->_lastPickObjectID);
ImGui::Text("Last pick mesh: %s (surface %u)", meshName, eng->_lastPick.surfaceIndex);
ImGui::Text("World pos: (%.3f, %.3f, %.3f)",
eng->_lastPick.worldPos.x,
eng->_lastPick.worldPos.y,
eng->_lastPick.worldPos.z);
const char *ownerTypeStr = "none";
switch (eng->_lastPick.ownerType)
{
case RenderObject::OwnerType::MeshInstance: ownerTypeStr = "mesh instance"; break;
case RenderObject::OwnerType::GLTFInstance: ownerTypeStr = "glTF instance"; break;
case RenderObject::OwnerType::StaticGLTF: ownerTypeStr = "glTF scene"; break;
default: break;
}
const char *ownerName = eng->_lastPick.ownerName.empty() ? "<unnamed>" : eng->_lastPick.ownerName.c_str();
ImGui::Text("Owner: %s (%s)", ownerName, ownerTypeStr);
ImGui::Text("Indices: first=%u count=%u",
eng->_lastPick.firstIndex,
eng->_lastPick.indexCount);
if (eng->_sceneManager)
{
const SceneManager::PickingDebug &dbg = eng->_sceneManager->getPickingDebug();
ImGui::Text("Mesh BVH used: %s, hit: %s, fallback box: %s",
dbg.usedMeshBVH ? "yes" : "no",
dbg.meshBVHHit ? "yes" : "no",
dbg.meshBVHFallbackBox ? "yes" : "no");
if (dbg.meshBVHPrimCount > 0)
{
ImGui::Text("Mesh BVH stats: prims=%u, nodes=%u",
dbg.meshBVHPrimCount,
dbg.meshBVHNodeCount);
}
}
}
else
{
ImGui::TextUnformatted("Last pick: <none>");
}
ImGui::Separator();
if (eng->_hoverPick.valid)
{
const char *meshName = eng->_hoverPick.mesh ? eng->_hoverPick.mesh->name.c_str() : "<unknown>";
ImGui::Text("Hover mesh: %s (surface %u)", meshName, eng->_hoverPick.surfaceIndex);
const char *ownerTypeStr = "none";
switch (eng->_hoverPick.ownerType)
{
case RenderObject::OwnerType::MeshInstance: ownerTypeStr = "mesh instance"; break;
case RenderObject::OwnerType::GLTFInstance: ownerTypeStr = "glTF instance"; break;
case RenderObject::OwnerType::StaticGLTF: ownerTypeStr = "glTF scene"; break;
default: break;
}
const char *ownerName = eng->_hoverPick.ownerName.empty() ? "<unnamed>" : eng->_hoverPick.ownerName.c_str();
ImGui::Text("Hover owner: %s (%s)", ownerName, ownerTypeStr);
}
else
{
ImGui::TextUnformatted("Hover: <none>");
}
if (!eng->_dragSelection.empty())
{
ImGui::Text("Drag selection: %zu objects", eng->_dragSelection.size());
}
ImGui::Separator();
ImGui::TextUnformatted("Object Gizmo (ImGuizmo)");
if (!eng->_sceneManager)
{
ImGui::TextUnformatted("SceneManager not available");
return;
}
SceneManager *sceneMgr = eng->_sceneManager.get();
// Choose a pick to edit: prefer last pick, then hover.
VulkanEngine::PickInfo *pick = nullptr;
if (eng->_lastPick.valid)
{
pick = &eng->_lastPick;
}
else if (eng->_hoverPick.valid)
{
pick = &eng->_hoverPick;
}
if (!pick || pick->ownerName.empty())
{
ImGui::TextUnformatted("No selection for gizmo (pick or hover an instance).");
return;
}
static ImGuizmo::OPERATION op = ImGuizmo::TRANSLATE;
static ImGuizmo::MODE mode = ImGuizmo::LOCAL;
ImGui::TextUnformatted("Operation");
if (ImGui::RadioButton("Translate", op == ImGuizmo::TRANSLATE)) op = ImGuizmo::TRANSLATE;
ImGui::SameLine();
if (ImGui::RadioButton("Rotate", op == ImGuizmo::ROTATE)) op = ImGuizmo::ROTATE;
ImGui::SameLine();
if (ImGui::RadioButton("Scale", op == ImGuizmo::SCALE)) op = ImGuizmo::SCALE;
ImGui::TextUnformatted("Mode");
if (ImGui::RadioButton("Local", mode == ImGuizmo::LOCAL)) mode = ImGuizmo::LOCAL;
ImGui::SameLine();
if (ImGui::RadioButton("World", mode == ImGuizmo::WORLD)) mode = ImGuizmo::WORLD;
// Resolve a dynamic instance transform for the current pick.
glm::mat4 targetTransform(1.0f);
enum class GizmoTarget
{
None,
MeshInstance,
GLTFInstance
};
GizmoTarget target = GizmoTarget::None;
if (pick->ownerType == RenderObject::OwnerType::MeshInstance)
{
if (sceneMgr->getMeshInstanceTransform(pick->ownerName, targetTransform))
{
target = GizmoTarget::MeshInstance;
ImGui::Text("Editing mesh instance: %s", pick->ownerName.c_str());
}
}
else if (pick->ownerType == RenderObject::OwnerType::GLTFInstance)
{
if (sceneMgr->getGLTFInstanceTransform(pick->ownerName, targetTransform))
{
target = GizmoTarget::GLTFInstance;
ImGui::Text("Editing glTF instance: %s", pick->ownerName.c_str());
}
}
if (target == GizmoTarget::None)
{
ImGui::TextUnformatted("Gizmo only supports dynamic mesh/glTF instances.");
return;
}
ImGuiIO &io = ImGui::GetIO();
ImGuizmo::SetOrthographic(false);
VkExtent2D swapExtent = eng->_swapchainManager
? eng->_swapchainManager->swapchainExtent()
: VkExtent2D{1, 1};
VkExtent2D drawExtent{
static_cast<uint32_t>(static_cast<float>(eng->_logicalRenderExtent.width) * eng->renderScale),
static_cast<uint32_t>(static_cast<float>(eng->_logicalRenderExtent.height) * eng->renderScale)
};
if (drawExtent.width == 0 || drawExtent.height == 0)
{
drawExtent = VkExtent2D{1, 1};
}
VkRect2D activeRect = vkutil::compute_letterbox_rect(drawExtent, swapExtent);
const float fbScaleX = (io.DisplayFramebufferScale.x > 0.0f) ? io.DisplayFramebufferScale.x : 1.0f;
const float fbScaleY = (io.DisplayFramebufferScale.y > 0.0f) ? io.DisplayFramebufferScale.y : 1.0f;
const float rectX = static_cast<float>(activeRect.offset.x) / fbScaleX;
const float rectY = static_cast<float>(activeRect.offset.y) / fbScaleY;
const float rectW = static_cast<float>(activeRect.extent.width) / fbScaleX;
const float rectH = static_cast<float>(activeRect.extent.height) / fbScaleY;
ImGuizmo::SetDrawlist();
ImGuizmo::SetRect(rectX, rectY, rectW, rectH);
// Build a distance-based perspective projection for ImGuizmo instead of
// using the engine's reversed-Z Vulkan projection.
Camera &cam = sceneMgr->getMainCamera();
float fovRad = glm::radians(cam.fovDegrees);
float aspect = drawExtent.height > 0
? static_cast<float>(drawExtent.width) / static_cast<float>(drawExtent.height)
: 1.0f;
// Distance from camera to object; clamp to avoid degenerate planes.
glm::vec3 camPos = cam.position;
glm::vec3 objPos = pick->worldPos;
float dist = glm::length(objPos - camPos);
if (!std::isfinite(dist) || dist <= 0.0f)
{
dist = 1.0f;
}
// Near/far based on distance: keep ratio reasonable for precision.
float nearPlane = glm::max(0.05f, dist * 0.05f);
float farPlane = glm::max(nearPlane * 50.0f, dist * 2.0f);
glm::mat4 view = cam.getViewMatrix();
glm::mat4 proj = glm::perspective(fovRad, aspect, nearPlane, farPlane);
glm::mat4 before = targetTransform;
ImDrawList* dl = ImGui::GetForegroundDrawList();
ImGuizmo::SetDrawlist(dl);
ImGuizmo::SetRect(rectX, rectY, rectW, rectH);
ImGuizmo::Manipulate(&view[0][0], &proj[0][0],
op, mode,
&targetTransform[0][0]);
bool changed = false;
for (int c = 0; c < 4 && !changed; ++c)
{
for (int r = 0; r < 4; ++r)
{
if (before[c][r] != targetTransform[c][r])
{
changed = true;
break;
}
}
}
if (changed)
{
switch (target)
{
case GizmoTarget::MeshInstance:
sceneMgr->setMeshInstanceTransform(pick->ownerName, targetTransform);
break;
case GizmoTarget::GLTFInstance:
sceneMgr->setGLTFInstanceTransform(pick->ownerName, targetTransform);
break;
default:
break;
}
// Keep pick debug info roughly in sync.
pick->worldTransform = targetTransform;
pick->worldPos = glm::vec3(targetTransform[3]);
}
}
} // namespace
void vk_engine_draw_debug_ui(VulkanEngine *eng)
{
if (!eng) return;
ImGuizmo::BeginFrame();
// Consolidated debug window with tabs
if (ImGui::Begin("Debug"))
{
const ImGuiTabBarFlags tf =
ImGuiTabBarFlags_Reorderable | ImGuiTabBarFlags_AutoSelectNewTabs;
if (ImGui::BeginTabBar("DebugTabs", tf))
{
if (ImGui::BeginTabItem("Overview"))
{
ui_overview(eng);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Background"))
{
ui_background(eng);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Shadows"))
{
ui_shadows(eng);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Render Graph"))
{
ui_render_graph(eng);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Pipelines"))
{
ui_pipelines(eng);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("IBL"))
{
ui_ibl(eng);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("PostFX"))
{
ui_postfx(eng);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Scene"))
{
ui_scene(eng);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Async Assets"))
{
ui_async_assets(eng);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Textures"))
{
ui_textures(eng);
ImGui::EndTabItem();
}
ImGui::EndTabBar();
}
ImGui::End();
}
}