Files
funnygame/engine/gamewindow_sdl.cpp
2026-02-01 17:47:49 +02:00

156 lines
3.0 KiB
C++

#include "SDL3/SDL_error.h"
#include "igamewindow.h"
#include "tier0/lib.h"
#include "tier0/platform.h"
#include "tier1/interface.h"
#include "tier1/utlvector.h"
#define SDL_MAIN_HANDLED
#include "SDL3/SDL.h"
#include "SDL3/SDL_init.h"
#include "SDL3/SDL_video.h"
#include "SDL3/SDL_vulkan.h"
#include "SDL3/SDL_events.h"
class CSDLGameWindow: public IGameWindow
{
public:
virtual void Init() override;
virtual void Shutdown() override;
virtual void Tick( float fDelta ) override;
virtual void Frame( float fDelta ) override;
virtual uint32_t GetRenderWidth() override;
virtual uint32_t GetRenderHeight() override;
virtual void *CreateVulkanSurface( void *pInstance ) override;
virtual void DestroyVulkanSurface( void *pInstance ) override;
private:
VkSurfaceKHR m_hSurface;
SDL_Window *m_pWindow;
};
void CSDLGameWindow::Init()
{
if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS | SDL_INIT_GAMEPAD))
Plat_FatalErrorFunc("SDL_Init: %s\n", SDL_GetError());
m_pWindow = SDL_CreateWindow("funnygame", 1280, 720, SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE);
if (!m_pWindow)
Plat_FatalErrorFunc("SDL_CreateWindow: %s\n", SDL_GetError());
}
void CSDLGameWindow::Shutdown()
{
}
void CSDLGameWindow::Frame( float fDelta )
{
SDL_Event event;
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED:
break;
case SDL_EVENT_QUIT:
SDL_Quit();
Plat_Exit(0);
break;
default:
break;
}
}
}
void CSDLGameWindow::Tick( float fDelta )
{
};
uint32_t CSDLGameWindow::GetRenderWidth()
{
return 0;
}
uint32_t CSDLGameWindow::GetRenderHeight()
{
return 0;
}
void *CSDLGameWindow::CreateVulkanSurface( void *pInstance )
{
SDL_Vulkan_CreateSurface(m_pWindow, (VkInstance)pInstance, NULL, (VkSurfaceKHR*)&m_hSurface);
return (void*)m_hSurface;
}
void CSDLGameWindow::DestroyVulkanSurface( void *pInstance )
{
SDL_Vulkan_DestroySurface((VkInstance)pInstance, (VkSurfaceKHR)m_hSurface, NULL);
}
class CSDLGameWindowManager: public IGameWindowManager
{
virtual void Init() override;
virtual void Tick( float fDelta ) override;
virtual void Frame( float fDelta ) override;
virtual void Shutdown() override;
virtual IGameWindow *CreateWindow() override;
virtual void DestroyWindow( IGameWindow* pWindow ) override;
virtual int GetVulkanInstanceExtensionCount() override;
virtual const char **GetVulkanInstanceExtensions() override;
};
void CSDLGameWindowManager::Init()
{
}
void CSDLGameWindowManager::Tick( float fDelta )
{
}
void CSDLGameWindowManager::Frame( float fDelta )
{
}
void CSDLGameWindowManager::Shutdown()
{
}
IGameWindow *CSDLGameWindowManager::CreateWindow()
{
}
void CSDLGameWindowManager::DestroyWindow( IGameWindow* pWindow )
{
}
int CSDLGameWindowManager::GetVulkanInstanceExtensionCount()
{
uint32_t nCount;
SDL_Vulkan_GetInstanceExtensions(&nCount);
return nCount;
}
const char **CSDLGameWindowManager::GetVulkanInstanceExtensions()
{
uint32_t nCount;
return (const char **)SDL_Vulkan_GetInstanceExtensions(&nCount);
}