wgpu: add sdl3 glue

vendor/wgpu/sdl3glue/glue_linux.odin

@@ -0,0 +1,45 @@
+package wgpu_sdl3_glue
+
+import "vendor:sdl3"
+import "vendor:wgpu"
+
+@(private="file")
+DRIVER_X11: cstring = "x11"
+@(private="file")
+DRIVER_WAYLAND: cstring = "wayland"
+
+GetSurface :: proc(instance: wgpu.Instance, window: ^sdl3.Window) -> wgpu.Surface {
+	if sdl3.strcmp(sdl3.GetCurrentVideoDriver(), DRIVER_WAYLAND) == 0 {
+		display := sdl3.GetPointerProperty(sdl3.GetWindowProperties(window), sdl3.PROP_WINDOW_X11_DISPLAY_POINTER, nil)
+		surface := sdl3.GetNumberProperty(sdl3.GetWindowProperties(window), sdl3.PROP_WINDOW_X11_WINDOW_NUMBER, 0)
+		return wgpu.InstanceCreateSurface(
+			instance,
+			&wgpu.SurfaceDescriptor{
+				nextInChain = &wgpu.SurfaceDescriptorFromWaylandSurface{
+					chain = {
+						sType = .SurfaceDescriptorFromWaylandSurface,
+					},
+					display = display,
+					surface = surface,
+				},
+			},
+		)
+	} else if sdl3.strcmp(sdl3.GetCurrentVideoDriver(), DRIVER_X11) == 0 {
+		display := sdl3.GetPointerProperty(sdl3.GetWindowProperties(window), sdl3.PROP_WINDOW_WAYLAND_DISPLAY_POINTER, nil)
+		surface := sdl3.GetPointerProperty(sdl3.GetWindowProperties(window), sdl3.PROP_WINDOW_WAYLAND_SURFACE_POINTER, 0)
+		return wgpu.InstanceCreateSurface(
+			instance,
+			&wgpu.SurfaceDescriptor{
+				nextInChain = &wgpu.SurfaceDescriptorFromXlibWindow{
+					chain = {
+						sType = .SurfaceDescriptorFromXlibWindow,
+					},
+					display = display,
+					window  = u64(window),
+				},
+			},
+		)
+	} else {
+		panic("wgpu sdl3 glue: unsupported platform, expected Wayland or X11")
+	}
+}