project-aster/aster/window.cpp

132 lines
2.9 KiB
C++

// =============================================
// Aster: window.cpp
// Copyright (c) 2020-2024 Anish Bhobe
// =============================================
#include "window.h"
#include "context.h"
#include "logger.h"
#include <SDL3/SDL.h>
#include <SDL3/SDL_vulkan.h>
std::atomic_uint64_t Window::m_WindowCount = 0;
std::atomic_bool Window::m_IsGlfwInit = false;
bool
Window::Poll() const noexcept
{
SDL_Event event;
while (SDL_PollEvent(&event))
{
if (event.type == SDL_EVENT_WINDOW_CLOSE_REQUESTED)
{
return false;
}
}
return true;
}
void
Window::RequestExit() const noexcept
{
SDL_Event *event = Cast<SDL_Event*>(SDL_malloc(sizeof(SDL_Event)));
event->type = SDL_EVENT_WINDOW_CLOSE_REQUESTED;
SDL_PushEvent(event);
}
void
Window::SetWindowSize(const vk::Extent2D &extent) const noexcept
{
SetWindowSize(extent.width, extent.height);
}
void
Window::SetWindowSize(const u32 width, const u32 height) const noexcept
{
SDL_SetWindowSize(m_Window, Cast<i32>(width), Cast<i32>(height));
}
Size2D
Window::GetSize() const
{
i32 width, height;
SDL_GetWindowSizeInPixels(m_Window, &width, &height);
return {Cast<u32>(width), Cast<u32>(height)};
}
eastl::vector<cstr>
Window::GetRequiredExtensions()
{
u32 count = 0;
auto extensions = SDL_Vulkan_GetInstanceExtensions(&count);
return eastl::vector<cstr>{extensions, extensions + count};
}
Window::Window(const cstr title, Size2D extent, const b8 isFullScreen)
{
m_Name = title;
if (!m_IsGlfwInit)
{
if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS))
{
const char *error = SDL_GetError();
ERROR("SDL Init failed. Cause: {}", error)
THEN_ABORT(-1);
}
m_WindowCount = 0;
m_IsGlfwInit = true;
}
m_Window =
SDL_CreateWindow(m_Name.c_str(), Cast<i32>(extent.m_Width), Cast<i32>(extent.m_Height), SDL_WINDOW_VULKAN);
ERROR_IF(m_Window == nullptr, "Window creation failed")
ELSE_DEBUG("Window '{}' created with resolution '{}x{}'", m_Name, extent.m_Width, extent.m_Height);
if (m_Window == nullptr)
{
const char *error = SDL_GetError();
ERROR("SDL Window Creation failed. Cause: {}", error)
THEN_ABORT(-1);
}
++m_WindowCount;
}
Window::~Window()
{
if (m_Window)
{
SDL_DestroyWindow(m_Window);
m_Window = nullptr;
--m_WindowCount;
}
if (m_WindowCount== 0 && m_IsGlfwInit)
{
SDL_Quit();
m_IsGlfwInit = false;
}
DEBUG("Window '{}' Destroyed", m_Name);
}
Window::Window(Window &&other) noexcept
: m_Window(Take(other.m_Window))
, m_Name(Take(other.m_Name))
{
}
Window &
Window::operator=(Window &&other) noexcept
{
if (this == &other)
return *this;
m_Window = Take(other.m_Window);
m_Name = Take(other.m_Name);
return *this;
}