Rename Context to Instance.

aster/include/aster/core/CMakeLists.txt

@@ -7,7 +7,7 @@ INTERFACE
         "global.h"
         "constants.h"
         "config.h"
-        "context.h"
+        "instance.h"
         "physical_device.h"
         "device.h"
         "swapchain.h"

aster/include/aster/core/device.h

@@ -11,7 +11,7 @@
 #include <EASTL/vector.h>
 
 struct QueueAllocation;
-struct Context;
+struct Instance;
 struct PhysicalDevice;
 
 struct Features
@@ -40,9 +40,9 @@ struct Device final
     void WaitIdle() const;
 
     // Ctor/Dtor
-    Device(const Context *context, PhysicalDevice *physicalDevice, Features *enabledFeatures,
+    Device(const Instance *context, PhysicalDevice *physicalDevice, Features *enabledFeatures,
            const eastl::vector<QueueAllocation> &queueAllocations, NameString &&name);
-    Device(const Context *context, PhysicalDevice *physicalDevice, Features *enabledFeatures,
+    Device(const Instance *context, PhysicalDevice *physicalDevice, Features *enabledFeatures,
            const eastl::vector<QueueAllocation> &queueAllocations, eastl::span<u8> &&pipelineCacheData,
            NameString &&name);
     ~Device();

aster/include/aster/core/instance.h

@@ -8,25 +8,25 @@
 #include "global.h"
 
 /**
- * @class Context
+ * @class Instance
  *
  * @brief Vulkan context to handle device initialization logic.
  *
  * Handles the required hardware interactions.
  */
-struct Context final
+struct Instance final
 {
     // Members
     vk::Instance m_Instance = nullptr;
     vk::DebugUtilsMessengerEXT m_DebugMessenger = nullptr;
 
     // Ctor/Dtor
-    Context(cstr appName, Version version, bool enableValidation = ENABLE_LAYER_MESSAGES_DEFAULT_VALUE);
-    ~Context();
+    Instance(cstr appName, Version version, bool enableValidation = ENABLE_LAYER_MESSAGES_DEFAULT_VALUE);
+    ~Instance();
 
     // Move
-    Context(Context &&other) noexcept;
-    Context &operator=(Context &&other) noexcept;
+    Instance(Instance &&other) noexcept;
+    Instance &operator=(Instance &&other) noexcept;
 
 #if !defined(ASTER_NDEBUG)
     constexpr static bool ENABLE_LAYER_MESSAGES_DEFAULT_VALUE = true;
@@ -34,5 +34,5 @@ struct Context final
     constexpr static bool ENABLE_LAYER_MESSAGES_DEFAULT_VALUE = false;
 #endif
 
-    DISALLOW_COPY_AND_ASSIGN(Context);
+    DISALLOW_COPY_AND_ASSIGN(Instance);
 };

aster/include/aster/core/physical_device.h

@@ -11,7 +11,7 @@
 #include <EASTL/fixed_vector.h>
 
 struct Window;
-struct Context;
+struct Instance;
 
 enum class QueueSupportFlagBits
 {
@@ -54,5 +54,5 @@ struct PhysicalDevice final
 class PhysicalDevices : public eastl::fixed_vector<PhysicalDevice, 4>
 {
   public:
-    PhysicalDevices(const Surface *surface, const Context *context);
+    PhysicalDevices(const Surface *surface, const Instance *context);
 };

aster/include/aster/core/surface.h

@@ -7,17 +7,17 @@
 
 #include "global.h"
 
-struct Context;
+struct Instance;
 struct Window;
 
 struct Surface
 {
-    Context *m_Context;
+    Instance *m_Context;
     vk::SurfaceKHR m_Surface;
     NameString m_Name;
 
     // Ctor Dtor
-    Surface(Context *context, const Window *window, cstr name);
+    Surface(Instance *context, const Window *window, cstr name);
     ~Surface();
 
     // Move

aster/src/aster/core/CMakeLists.txt

@@ -5,7 +5,7 @@ cmake_minimum_required(VERSION 3.13)
 target_sources(aster_core
 PRIVATE
         "global.cpp"
-        "context.cpp"
+        "instance.cpp"
         "physical_device.cpp"
         "device.cpp"
         "swapchain.cpp"

aster/src/aster/core/device.cpp

@@ -5,7 +5,7 @@
 
 #include "core/device.h"
 
-#include "core/context.h"
+#include "core/instance.h"
 #include "core/physical_device.h"
 #include "core/queue_allocation.h"
 
@@ -17,13 +17,13 @@ constexpr eastl::array DEVICE_EXTENSIONS = {
     VK_KHR_SWAPCHAIN_EXTENSION_NAME,
 };
 
-Device::Device(const Context *context, PhysicalDevice *physicalDevice, Features *enabledFeatures,
+Device::Device(const Instance *context, PhysicalDevice *physicalDevice, Features *enabledFeatures,
                const eastl::vector<QueueAllocation> &queueAllocations, NameString &&name)
     : Device(context, physicalDevice, enabledFeatures, queueAllocations, {}, std::move(name))
 {
 }
 
-Device::Device(const Context *context, PhysicalDevice *physicalDevice, Features *enabledFeatures,
+Device::Device(const Instance *context, PhysicalDevice *physicalDevice, Features *enabledFeatures,
                const eastl::vector<QueueAllocation> &queueAllocations, eastl::span<u8> &&pipelineCacheData,
                NameString &&name)
     : m_Name(std::move(name))

aster/src/aster/core/instance.cpp

@@ -3,7 +3,7 @@
 //  Copyright (c) 2020-2025 Anish Bhobe
 // =============================================
 
-#include "core/context.h"
+#include "core/instance.h"
 
 #include <EASTL/array.h>
 #include <EASTL/fixed_vector.h>
@@ -35,7 +35,7 @@ DebugCallback(const VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
     return false;
 }
 
-Context::Context(const cstr appName, const Version version, bool enableValidation)
+Instance::Instance(const cstr appName, const Version version, bool enableValidation)
 {
     INFO_IF(enableValidation, "Validation Layers enabled");
 
@@ -97,7 +97,7 @@ Context::Context(const cstr appName, const Version version, bool enableValidatio
     }
 }
 
-Context::~Context()
+Instance::~Instance()
 {
     if (m_DebugMessenger)
     {
@@ -108,14 +108,14 @@ Context::~Context()
     DEBUG("Instance destroyed");
 }
 
-Context::Context(Context &&other) noexcept
+Instance::Instance(Instance &&other) noexcept
     : m_Instance(Take(other.m_Instance))
     , m_DebugMessenger(Take(other.m_DebugMessenger))
 {
 }
 
-Context &
-Context::operator=(Context &&other) noexcept
+Instance &
+Instance::operator=(Instance &&other) noexcept
 {
     if (this == &other)
         return *this;

aster/src/aster/core/physical_device.cpp

@@ -5,7 +5,7 @@
 
 #include "core/physical_device.h"
 
-#include "core/context.h"
+#include "core/instance.h"
 #include "core/surface.h"
 
 [[nodiscard]] vk::SurfaceCapabilitiesKHR
@@ -154,7 +154,7 @@ EnumeratePhysicalDevices(const vk::Instance instance)
     return physicalDevices;
 }
 
-PhysicalDevices::PhysicalDevices(const Surface *surface, const Context *context)
+PhysicalDevices::PhysicalDevices(const Surface *surface, const Instance *context)
 {
     auto physicalDevices = EnumeratePhysicalDevices(context->m_Instance);
     for (auto physicalDevice : physicalDevices)

aster/src/aster/core/surface.cpp

@@ -5,10 +5,10 @@
 
 #include "core/surface.h"
 
-#include "core/context.h"
+#include "core/instance.h"
 #include "core/window.h"
 
-Surface::Surface(Context *context, const Window *window, cstr name)
+Surface::Surface(Instance *context, const Window *window, cstr name)
     : m_Context(context)
     , m_Name(name)
 {

aster/src/aster/core/window.cpp

@@ -5,7 +5,7 @@
 
 #include "core/window.h"
 
-#include "core/context.h"
+#include "core/instance.h"
 #include "util/logger.h"
 
 std::atomic_uint64_t Window::m_WindowCount = 0;

samples/00_util/gui.cpp

@@ -5,7 +5,7 @@
 
 #include "gui.h"
 
-#include "aster/core/context.h"
+#include "aster/core/instance.h"
 #include "aster/core/device.h"
 #include "aster/core/window.h"
 #include "helpers.h"
@@ -26,7 +26,7 @@ VulkanAssert(VkResult result)
 }
 
 void
-Init(const Context *context, const Device *device, const Window *window, vk::Format attachmentFormat,
+Init(const Instance *context, const Device *device, const Window *window, vk::Format attachmentFormat,
      const u32 imageCount, const u32 queueFamily, const vk::Queue queue)
 {
     g_AttachmentFormat = attachmentFormat;

samples/00_util/gui.h

@@ -10,14 +10,14 @@
 #include <imgui.h>
 
 struct Device;
-struct Context;
+struct Instance;
 struct Window;
 struct Swapchain;
 
 // ReSharper disable once CppInconsistentNaming
 namespace ImGui
 {
-void Init(const Context *context, const Device *device, const Window *window, vk::Format attachmentFormat,
+void Init(const Instance *context, const Device *device, const Window *window, vk::Format attachmentFormat,
           u32 imageCount, u32 queueFamily, vk::Queue queue);
 void Destroy(const Device *device);
 

samples/01_triangle/triangle.cpp

@@ -7,7 +7,7 @@
 
 #include "aster/core/buffer.h"
 #include "aster/core/constants.h"
-#include "aster/core/context.h"
+#include "aster/core/instance.h"
 #include "aster/core/device.h"
 #include "aster/core/physical_device.h"
 #include "aster/core/pipeline.h"
@@ -76,7 +76,7 @@ main(int, char **)
     MIN_LOG_LEVEL(Logger::LogType::eInfo);
 
     Window window = {"Triangle (Aster)", {640, 480}};
-    Context context = {"Triangle", VERSION};
+    Instance context = {"Triangle", VERSION};
     Surface surface = {&context, &window, "Primary"};
 
     PhysicalDevices physicalDevices = {&surface, &context};

samples/02_box/box.cpp

@@ -7,7 +7,7 @@
 
 #include "aster/core/buffer.h"
 #include "aster/core/constants.h"
-#include "aster/core/context.h"
+#include "aster/core/instance.h"
 #include "aster/core/device.h"
 #include "aster/core/image.h"
 #include "aster/core/physical_device.h"
@@ -99,7 +99,7 @@ main(int, char **)
     MIN_LOG_LEVEL(Logger::LogType::eInfo);
 
     Window window = {"Box (Aster)", {640, 480}};
-    Context context = {"Box", VERSION};
+    Instance context = {"Box", VERSION};
     Surface surface = {&context, &window, "Primary"};
 
     PhysicalDevices physicalDevices = {&surface, &context};

samples/03_model_render/model_render.cpp

@@ -7,7 +7,7 @@
 
 #include "aster/core/buffer.h"
 #include "aster/core/constants.h"
-#include "aster/core/context.h"
+#include "aster/core/instance.h"
 #include "aster/core/device.h"
 #include "aster/core/image.h"
 #include "aster/core/physical_device.h"
@@ -136,7 +136,7 @@ main(int, char **)
     MIN_LOG_LEVEL(Logger::LogType::eInfo);
 
     Window window = {"ModelRender (Aster)", {INIT_WIDTH, INIT_HEIGHT}};
-    Context context = {"ModelRender", VERSION};
+    Instance context = {"ModelRender", VERSION};
     Surface surface = {&context, &window, "Primary Surface"};
 
     PhysicalDevices physicalDevices = {&surface, &context};