82 lines
1.5 KiB
Go
82 lines
1.5 KiB
Go
 
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// SPDX-License-Identifier: Unlicense OR MIT
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//go:build ((linux && !android) || freebsd) && !nox11 && !novulkan
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// +build linux,!android freebsd
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// +build !nox11
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// +build !novulkan
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package app
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import (
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"unsafe"
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"gioui.org/gpu"
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"gioui.org/internal/vk"
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)
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type x11VkContext struct {
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win *x11Window
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inst vk.Instance
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surf vk.Surface
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ctx *vkContext
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}
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func init() {
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newX11VulkanContext = func(w *x11Window) (context, error) {
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inst, err := vk.CreateInstance("VK_KHR_surface", "VK_KHR_xlib_surface")
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if err != nil {
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return nil, err
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}
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disp := w.display()
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window, _, _ := w.window()
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surf, err := vk.CreateXlibSurface(inst, unsafe.Pointer(disp), uintptr(window))
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if err != nil {
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vk.DestroyInstance(inst)
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return nil, err
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}
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ctx, err := newVulkanContext(inst, surf)
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if err != nil {
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vk.DestroySurface(inst, surf)
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vk.DestroyInstance(inst)
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return nil, err
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}
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c := &x11VkContext{
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win: w,
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inst: inst,
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surf: surf,
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ctx: ctx,
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}
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return c, nil
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}
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}
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func (c *x11VkContext) RenderTarget() (gpu.RenderTarget, error) {
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return c.ctx.RenderTarget()
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}
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func (c *x11VkContext) API() gpu.API {
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return c.ctx.api()
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}
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func (c *x11VkContext) Release() {
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c.ctx.release()
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vk.DestroySurface(c.inst, c.surf)
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vk.DestroyInstance(c.inst)
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*c = x11VkContext{}
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}
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func (c *x11VkContext) Present() error {
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return c.ctx.present()
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}
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func (c *x11VkContext) Lock() error {
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return nil
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}
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func (c *x11VkContext) Unlock() {}
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func (c *x11VkContext) Refresh() error {
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_, w, h := c.win.window()
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return c.ctx.refresh(c.surf, w, h)
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}
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