From 02b19b115bcc00584e315c22f1d01fe7ac1f2248 Mon Sep 17 00:00:00 2001
From: Slashscreen <SlashScreen@users.noreply.github.com>
Date: Wed, 12 Feb 2025 14:27:16 -0800
Subject: [PATCH] wgpu: add sdl3 glue

---
 vendor/wgpu/sdl3glue/glue.odin         |  6 ++++
 vendor/wgpu/sdl3glue/glue_darwin.odin  | 23 +++++++++++++
 vendor/wgpu/sdl3glue/glue_linux.odin   | 45 ++++++++++++++++++++++++++
 vendor/wgpu/sdl3glue/glue_windows.odin | 23 +++++++++++++
 4 files changed, 97 insertions(+)
 create mode 100644 vendor/wgpu/sdl3glue/glue.odin
 create mode 100644 vendor/wgpu/sdl3glue/glue_darwin.odin
 create mode 100644 vendor/wgpu/sdl3glue/glue_linux.odin
 create mode 100644 vendor/wgpu/sdl3glue/glue_windows.odin

diff --git a/vendor/wgpu/sdl3glue/glue.odin b/vendor/wgpu/sdl3glue/glue.odin
new file mode 100644
index 000000000..7d4975fb0
--- /dev/null
+++ b/vendor/wgpu/sdl3glue/glue.odin
@@ -0,0 +1,6 @@
+#+build !linux
+#+build !windows
+#+build !darwin
+package wgpu_sdl3_glue
+
+#panic("package wgpu/sdl3glue is not supported on the current target")
diff --git a/vendor/wgpu/sdl3glue/glue_darwin.odin b/vendor/wgpu/sdl3glue/glue_darwin.odin
new file mode 100644
index 000000000..8cea27256
--- /dev/null
+++ b/vendor/wgpu/sdl3glue/glue_darwin.odin
@@ -0,0 +1,23 @@
+package wgpu_sdl3_glue
+
+import    "vendor:sdl3"
+import    "vendor:wgpu"
+import CA "vendor:darwin/QuartzCore"
+import NS "core:sys/darwin/Foundation"
+
+GetSurface :: proc(instance: wgpu.Instance, window: ^sdl3.Window) -> wgpu.Surface {
+	ns_window := cast(^NS.Window)sdl3.GetPointerProperty(sdl3.GetWindowProperties(window), sdl3.PROP_WINDOW_COCOA_WINDOW_POINTER, nil)
+	metal_layer := CA.MetalLayer_layer()
+	ns_window->contentView()->setLayer(metal_layer)
+	return wgpu.InstanceCreateSurface(
+		instance,
+		&wgpu.SurfaceDescriptor{
+			nextInChain = &wgpu.SurfaceDescriptorFromMetalLayer{
+				chain = wgpu.ChainedStruct{
+					sType = .SurfaceDescriptorFromMetalLayer,
+				},
+				layer = rawptr(metal_layer),
+			},
+		},
+	)
+}
diff --git a/vendor/wgpu/sdl3glue/glue_linux.odin b/vendor/wgpu/sdl3glue/glue_linux.odin
new file mode 100644
index 000000000..3d89718db
--- /dev/null
+++ b/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")
+	}
+}
diff --git a/vendor/wgpu/sdl3glue/glue_windows.odin b/vendor/wgpu/sdl3glue/glue_windows.odin
new file mode 100644
index 000000000..48adf52f8
--- /dev/null
+++ b/vendor/wgpu/sdl3glue/glue_windows.odin
@@ -0,0 +1,23 @@
+package wgpu_sdl3_glue
+
+import win "core:sys/windows"
+
+import  "vendor:sdl3"
+import  "vendor:wgpu"
+
+GetSurface :: proc(instance: wgpu.Instance, window: ^sdl3.Window) -> wgpu.Surface {
+	hwnd := sdl3.GetPointerProperty(sdl3.GetWindowProperties(window), sdl3.PROP_WINDOW_WIN32_HWND_POINTER, nil)
+	hinstance := win.GetModuleHandleW(nil)
+	return wgpu.InstanceCreateSurface(
+		instance,
+		&wgpu.SurfaceDescriptor{
+			nextInChain = &wgpu.SurfaceDescriptorFromWindowsHWND{
+				chain = wgpu.ChainedStruct{
+					sType = .SurfaceDescriptorFromWindowsHWND,
+				},
+				hinstance = rawptr(hinstance),
+				hwnd = rawptr(hwnd),
+			},
+		},
+	)
+}