106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
#include "XCUIBackend/IEditorHostCompositor.h"
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#include "UI/ImGuiBackendBridge.h"
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#include <imgui.h>
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namespace XCEngine {
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namespace Editor {
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namespace XCUIBackend {
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namespace {
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class ImGuiHostCompositor final : public IEditorHostCompositor {
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public:
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bool Initialize(
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HWND hwnd,
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::XCEngine::Editor::Platform::D3D12WindowRenderer& windowRenderer,
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const ConfigureFontsCallback& configureFonts) override {
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGuiIO& io = ImGui::GetIO();
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io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
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if (configureFonts) {
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configureFonts();
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}
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ImGui::StyleColorsDark();
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m_backend.Initialize(
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hwnd,
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windowRenderer.GetDevice(),
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windowRenderer.GetCommandQueue(),
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windowRenderer.GetSrvHeap(),
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windowRenderer.GetSrvDescriptorSize(),
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windowRenderer.GetSrvDescriptorCount());
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return true;
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}
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void Shutdown() override {
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m_backend.Shutdown();
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ImGui::DestroyContext();
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}
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bool HandleWindowMessage(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) override {
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return ::XCEngine::Editor::UI::ImGuiBackendBridge::HandleWindowMessage(
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hwnd,
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message,
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wParam,
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lParam);
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}
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void BeginFrame() override {
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m_backend.BeginFrame();
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}
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void EndFrameAndPresent(
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::XCEngine::Editor::Platform::D3D12WindowRenderer& windowRenderer,
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const float clearColor[4],
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const RenderCallback& beforeUiRender,
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const RenderCallback& afterUiRender) override {
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ImGui::Render();
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windowRenderer.Render(m_backend, clearColor, beforeUiRender, afterUiRender);
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}
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bool CreateTextureDescriptor(
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::XCEngine::RHI::RHIDevice* device,
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::XCEngine::RHI::RHITexture* texture,
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UITextureRegistration& outRegistration) override {
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ImTextureID textureId = {};
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if (!m_backend.CreateTextureDescriptor(
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device,
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texture,
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&outRegistration.cpuHandle,
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&outRegistration.gpuHandle,
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&textureId)) {
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outRegistration = {};
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return false;
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}
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outRegistration.texture.nativeHandle = (std::uintptr_t)textureId;
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outRegistration.texture.width = texture != nullptr ? texture->GetWidth() : 0u;
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outRegistration.texture.height = texture != nullptr ? texture->GetHeight() : 0u;
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outRegistration.texture.kind = ::XCEngine::UI::UITextureHandleKind::ImGuiDescriptor;
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return outRegistration.IsValid();
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}
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void FreeTextureDescriptor(const UITextureRegistration& registration) override {
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m_backend.FreeTextureDescriptor(registration.cpuHandle, registration.gpuHandle);
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}
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private:
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::XCEngine::Editor::UI::ImGuiBackendBridge m_backend;
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};
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} // namespace
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std::unique_ptr<IEditorHostCompositor> CreateImGuiHostCompositor() {
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return std::make_unique<ImGuiHostCompositor>();
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}
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} // namespace XCUIBackend
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} // namespace Editor
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} // namespace XCEngine
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