140 lines
3.4 KiB
C++
140 lines
3.4 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 UpdateWindow() override;
|
|
|
|
// Rendering info
|
|
virtual void SetRenderImage( IImage *pImage ) override;
|
|
virtual bool BIsRenderResolutionUpdated() override;
|
|
virtual void GetRenderWidth() override;
|
|
virtual void GetRenderHeight() override;
|
|
|
|
// Vulkan stuff
|
|
virtual int GetVulkanInstanceExtensionCount() override;
|
|
virtual const char **GetVulkanInstanceExtensions() override;
|
|
|
|
virtual void CreateVulkanSurface( void *pInstance, void *pDevice ) override;
|
|
virtual void DestroyVulkanSurface( void *pInstance, void *pDevice ) override;
|
|
|
|
virtual void *GetVulkanSurface() override;
|
|
virtual void *GetVulkanFence( int iFrame ) override;
|
|
virtual void *GetVulkanDrawSemaphore( int iFrame ) override;
|
|
virtual void *GetVulkanPresentSemaphore( int iFrame ) override;
|
|
virtual IImage *GetVulkanSwapchainImage( int iFrame ) override;
|
|
private:
|
|
SDL_Window *m_pWindow;
|
|
EGraphicsAPI m_ePreferredGraphicsAPI;
|
|
|
|
uint32_t m_uRenderWidth;
|
|
uint32_t m_uRenderHeight;
|
|
bool m_bIsRenderResolutionUpdated;
|
|
|
|
void *m_pVulkanSurface;
|
|
CUtlVector<IImage*> m_vulkanImages;
|
|
void *m_pVulkanFences[VULKAN_FRAMES_IN_FLIGHT];
|
|
void *m_pVulkanPresentSemaphores[VULKAN_FRAMES_IN_FLIGHT];
|
|
};
|
|
|
|
CSDLGameWindow g_sdlGameWindow;
|
|
IGameWindow *gamewindow = &g_sdlGameWindow;
|
|
|
|
|
|
void CSDLGameWindow::Init()
|
|
{
|
|
m_ePreferredGraphicsAPI = GRAPHICS_API_VULKAN;
|
|
|
|
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::UpdateWindow()
|
|
{
|
|
SDL_Event event;
|
|
m_bIsRenderResolutionUpdated = false;
|
|
while (SDL_PollEvent(&event))
|
|
{
|
|
switch (event.type)
|
|
{
|
|
case SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED:
|
|
m_bIsRenderResolutionUpdated = true;
|
|
m_uRenderWidth = event.window.data1;
|
|
m_uRenderWidth = event.window.data2;
|
|
break;
|
|
case SDL_EVENT_QUIT:
|
|
SDL_Quit();
|
|
Plat_Exit(0);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
EGraphicsAPI CSDLGameWindow::GetGraphicsAPI()
|
|
{
|
|
return GRAPHICS_API_VULKAN;
|
|
}
|
|
|
|
int CSDLGameWindow::GetVulkanInstanceExtensionCount()
|
|
{
|
|
if ( m_ePreferredGraphicsAPI != GRAPHICS_API_VULKAN )
|
|
return -1;
|
|
|
|
uint32_t nCount;
|
|
SDL_Vulkan_GetInstanceExtensions(&nCount);
|
|
|
|
return nCount;
|
|
}
|
|
|
|
const char **CSDLGameWindow::GetVulkanInstanceExtensions()
|
|
{
|
|
if ( m_ePreferredGraphicsAPI != GRAPHICS_API_VULKAN )
|
|
return 0;
|
|
|
|
uint32_t nCount;
|
|
return (const char **)SDL_Vulkan_GetInstanceExtensions(&nCount);
|
|
}
|
|
|
|
void CSDLGameWindow::CreateVulkanSurface( void *pInstance )
|
|
{
|
|
if ( m_ePreferredGraphicsAPI != GRAPHICS_API_VULKAN )
|
|
return;
|
|
|
|
SDL_Vulkan_CreateSurface(m_pWindow, (VkInstance)pInstance, NULL, (VkSurfaceKHR*)&m_pVulkanSurface);
|
|
}
|
|
|
|
void CSDLGameWindow::DestroyVulkanSurface( void *pInstance )
|
|
{
|
|
SDL_Vulkan_DestroySurface((VkInstance)pInstance, (VkSurfaceKHR)m_pVulkanSurface, NULL);
|
|
}
|
|
|
|
void *CSDLGameWindow::GetVulkanSurface()
|
|
{
|
|
return m_pVulkanSurface;
|
|
}
|
|
|