123 lines
2.6 KiB
C++
123 lines
2.6 KiB
C++
#include "SDL3/SDL_error.h"
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#include "igamewindow.h"
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#include "tier1/interface.h"
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#include "tier0/lib.h"
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#include "tier0/platform.h"
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#define SDL_MAIN_HANDLED
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#include "SDL3/SDL.h"
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#include "SDL3/SDL_init.h"
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#include "SDL3/SDL_video.h"
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#include "SDL3/SDL_vulkan.h"
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#include "SDL3/SDL_events.h"
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class CSDLGameWindow: public IGameWindow
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{
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public:
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virtual void Init() override;
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virtual void Shutdown() override;
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virtual void UpdateWindow() override;
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virtual EGraphicsAPI GetGraphicsAPI() override;
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virtual int GetVulkanInstanceExtensionCount() override;
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virtual const char **GetVulkanInstanceExtensions() override;
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virtual void CreateVulkanSurface( void *pInstance ) override;
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virtual void DestroyVulkanSurface( void *pInstance ) override;
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virtual void *GetVulkanSurface() override;
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private:
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SDL_Window *m_pWindow;
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EGraphicsAPI m_ePreferredGraphicsAPI;
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void *m_pVulkanSurface;
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};
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CSDLGameWindow g_sdlGameWindow;
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IGameWindow *gamewindow = &g_sdlGameWindow;
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void CSDLGameWindow::Init()
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{
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m_ePreferredGraphicsAPI = GRAPHICS_API_VULKAN;
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if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS | SDL_INIT_GAMEPAD))
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Plat_FatalErrorFunc("SDL_Init: %s\n", SDL_GetError());
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m_pWindow = SDL_CreateWindow("funnygame", 1280, 720, SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE);
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if (!m_pWindow)
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Plat_FatalErrorFunc("SDL_CreateWindow: %s\n", SDL_GetError());
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}
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void CSDLGameWindow::Shutdown()
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{
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}
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void CSDLGameWindow::UpdateWindow()
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{
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SDL_Event event;
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while (SDL_PollEvent(&event))
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{
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switch (event.type)
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{
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case SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED:
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break;
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case SDL_EVENT_QUIT:
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SDL_Quit();
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Plat_Exit(0);
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break;
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default:
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break;
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}
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}
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}
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EGraphicsAPI CSDLGameWindow::GetGraphicsAPI()
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{
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return GRAPHICS_API_VULKAN;
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}
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int CSDLGameWindow::GetVulkanInstanceExtensionCount()
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{
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if ( m_ePreferredGraphicsAPI != GRAPHICS_API_VULKAN )
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return -1;
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uint32_t nCount;
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SDL_Vulkan_GetInstanceExtensions(&nCount);
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return nCount;
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}
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const char **CSDLGameWindow::GetVulkanInstanceExtensions()
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{
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if ( m_ePreferredGraphicsAPI != GRAPHICS_API_VULKAN )
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return 0;
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uint32_t nCount;
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return (const char **)SDL_Vulkan_GetInstanceExtensions(&nCount);
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}
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void CSDLGameWindow::CreateVulkanSurface( void *pInstance )
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{
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if ( m_ePreferredGraphicsAPI != GRAPHICS_API_VULKAN )
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return;
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SDL_Vulkan_CreateSurface(m_pWindow, (VkInstance)pInstance, NULL, (VkSurfaceKHR*)&m_pVulkanSurface);
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}
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void CSDLGameWindow::DestroyVulkanSurface( void *pInstance )
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{
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SDL_Vulkan_DestroySurface((VkInstance)pInstance, (VkSurfaceKHR)m_pVulkanSurface, NULL);
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}
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void *CSDLGameWindow::GetVulkanSurface()
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{
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if ( m_ePreferredGraphicsAPI != GRAPHICS_API_VULKAN )
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return 0;
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return m_pVulkanSurface;
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}
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