1 files changed, 90 insertions, 0 deletions
diff --git a/vendor/gioui.org/app/vulkan_android.go b/vendor/gioui.org/app/vulkan_android.go
new file mode 100644
index 0000000..3758d04
--- /dev/null
+++ b/vendor/gioui.org/app/vulkan_android.go
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: Unlicense OR MIT
+
+//go:build !novulkan
+// +build !novulkan
+
+package app
+
+import (
+	"unsafe"
+
+	"gioui.org/gpu"
+	"gioui.org/internal/vk"
+)
+
+type wlVkContext struct {
+	win  *window
+	inst vk.Instance
+	surf vk.Surface
+	ctx  *vkContext
+}
+
+func init() {
+	newAndroidVulkanContext = func(w *window) (context, error) {
+		inst, err := vk.CreateInstance("VK_KHR_surface", "VK_KHR_android_surface")
+		if err != nil {
+			return nil, err
+		}
+		window, _, _ := w.nativeWindow()
+		surf, err := vk.CreateAndroidSurface(inst, unsafe.Pointer(window))
+		if err != nil {
+			vk.DestroyInstance(inst)
+			return nil, err
+		}
+		ctx, err := newVulkanContext(inst, surf)
+		if err != nil {
+			vk.DestroySurface(inst, surf)
+			vk.DestroyInstance(inst)
+			return nil, err
+		}
+		c := &wlVkContext{
+			win:  w,
+			inst: inst,
+			surf: surf,
+			ctx:  ctx,
+		}
+		return c, nil
+	}
+}
+
+func (c *wlVkContext) RenderTarget() (gpu.RenderTarget, error) {
+	return c.ctx.RenderTarget()
+}
+
+func (c *wlVkContext) API() gpu.API {
+	return c.ctx.api()
+}
+
+func (c *wlVkContext) Release() {
+	c.ctx.release()
+	if c.surf != 0 {
+		vk.DestroySurface(c.inst, c.surf)
+	}
+	vk.DestroyInstance(c.inst)
+	*c = wlVkContext{}
+}
+
+func (c *wlVkContext) Present() error {
+	return c.ctx.present()
+}
+
+func (c *wlVkContext) Lock() error {
+	return nil
+}
+
+func (c *wlVkContext) Unlock() {}
+
+func (c *wlVkContext) Refresh() error {
+	win, w, h := c.win.nativeWindow()
+	if c.surf != 0 {
+		c.ctx.destroySwapchain()
+		vk.DestroySurface(c.inst, c.surf)
+		c.surf = 0
+	}
+	surf, err := vk.CreateAndroidSurface(c.inst, unsafe.Pointer(win))
+	if err != nil {
+		return err
+	}
+	c.surf = surf
+	return c.ctx.refresh(c.surf, w, h)
+}