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#include <SDL3/SDL.h>
#include <dawn/webgpu.h>
#include "renderwindow.h"
#if defined(SDL_PLATFORM_LINUX)
#include <X11/Xlib.h>
#include <wayland-client.h>
#endif
RenderWindow InitRenderWindow(int width, int height, const char* title) {
RenderWindow renderWindow = {0};
SDL_Init(SDL_INIT_VIDEO);
renderWindow.window = SDL_CreateWindow(title, width, height, 0);
renderWindow.wgpuInstance = wgpuCreateInstance(&(const WGPUInstanceDescriptor){
.requiredFeatureCount = 1,
.requiredFeatures = (WGPUInstanceFeatureName[]) { WGPUInstanceFeatureName_TimedWaitAny }
});
SDL_PropertiesID windowProperties = SDL_GetWindowProperties(renderWindow.window);
#if defined(SDL_PLATFORM_LINUX)
if (SDL_strcmp(SDL_GetCurrentVideoDriver(), "x11") == 0) {
Display* xdisplay =
(Display *)SDL_GetPointerProperty(windowProperties, SDL_PROP_WINDOW_X11_DISPLAY_POINTER, NULL);
Window xwindow =
(Window)SDL_GetNumberProperty(windowProperties, SDL_PROP_WINDOW_X11_WINDOW_NUMBER, 0);
if (xdisplay && xwindow) {
renderWindow.wgpuSurface =
wgpuInstanceCreateSurface(renderWindow.wgpuInstance, &(const WGPUSurfaceDescriptor){
.nextInChain = (WGPUChainedStruct*)&(const WGPUSurfaceSourceXlibWindow) {
.chain = (WGPUChainedStruct) {
.next = NULL,
.sType = WGPUSType_SurfaceSourceXlibWindow
},
.display = xdisplay,
.window = xwindow
}
});
}
} else if (SDL_strcmp(SDL_GetCurrentVideoDriver(), "wayland") == 0) {
struct wl_display* wl_display =
(struct wl_display*)SDL_GetPointerProperty(windowProperties, SDL_PROP_WINDOW_WAYLAND_DISPLAY_POINTER, NULL);
struct wl_surface* wl_surface =
(struct wl_surface*)SDL_GetPointerProperty(windowProperties, SDL_PROP_WINDOW_WAYLAND_SURFACE_POINTER, NULL);
if (wl_display && wl_surface) {
renderWindow.wgpuSurface =
wgpuInstanceCreateSurface(renderWindow.wgpuInstance, &(const WGPUSurfaceDescriptor){
.nextInChain = (WGPUChainedStruct*)&(const WGPUSurfaceSourceWaylandSurface) {
.chain = (WGPUChainedStruct) {
.next = NULL,
.sType = WGPUSType_SurfaceSourceWaylandSurface
},
.display = wl_display,
.surface = wl_surface
}
});
}
}
#endif
return renderWindow;
}
void QuitRenderWindow(RenderWindow* renderWindow) {
wgpuSurfaceRelease(renderWindow->wgpuSurface);
wgpuInstanceRelease(renderWindow->wgpuInstance);
SDL_DestroyWindow(renderWindow->window);
SDL_memset(renderWindow, 0, sizeof(RenderWindow));
SDL_Quit();
}
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