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Use ImGui Manager to create contexts

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This commit is contained in:
Dan Paulat 2022-11-27 11:01:35 -06:00
parent ee2ec329da
commit 0f8b8d73f9
3 changed files with 37 additions and 80 deletions
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57
scwx-qt/source/scwx/qt/manager/resource_manager.cpp
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@ -4,12 +4,6 @@
#include <scwx/qt/util/texture_atlas.hpp>
#include <scwx/util/logger.hpp>
#include <backends/imgui_impl_opengl3.h>
#include <backends/imgui_impl_qt.hpp>
#include <imgui.h>
#include <QOffscreenSurface>
#include <QOpenGLContext>
namespace scwx
{
namespace qt
@ -18,58 +12,21 @@ namespace manager
{
namespace ResourceManager
{
static const std::string logPrefix_ = "scwx::qt::manager::ResourceManager";
static const std::string logPrefix_ = "scwx::qt::manager::resource_manager";
static const auto logger_ = scwx::util::Logger::Create(logPrefix_);
static void InitializeImGui();
static void LoadFonts();
static void LoadTextures();
static void ShutdownImGui();
static std::unique_ptr<QOffscreenSurface> surface_ {};
static ImGuiContext* imGuiContext_ {};
void Initialize()
{
config::CountyDatabase::Initialize();
InitializeImGui();
LoadFonts();
LoadTextures();
}
void Shutdown()
{
ShutdownImGui();
}
static void InitializeImGui()
{
// Create OpenGL Offscreen Surface
surface_ = std::make_unique<QOffscreenSurface>();
surface_->create();
if (!QOpenGLContext::globalShareContext()->makeCurrent(surface_.get()))
{
logger_->warn("Failed to initialize offscreen surface");
}
// Initialize ImGui
imGuiContext_ = ImGui::CreateContext();
ImGui_ImplQt_Init();
ImGui_ImplOpenGL3_Init();
QOpenGLContext::globalShareContext()->doneCurrent();
// ImGui Configuration
auto& io = ImGui::GetIO();
// Disable automatic configuration loading/saving
io.IniFilename = nullptr;
// Style
auto& style = ImGui::GetStyle();
style.WindowMinSize = {10.0f, 10.0f};
}
void Shutdown() {}
static void LoadFonts()
{
@ -87,16 +44,6 @@ static void LoadTextures()
textureAtlas.BuildAtlas(8, 8);
}
static void ShutdownImGui()
{
QOpenGLContext::globalShareContext()->makeCurrent(surface_.get());
ImGui::SetCurrentContext(imGuiContext_);
ImGui_ImplOpenGL3_Shutdown();
ImGui_ImplQt_Shutdown();
ImGui::DestroyContext();
QOpenGLContext::globalShareContext()->doneCurrent();
}
} // namespace ResourceManager
} // namespace manager
} // namespace qt