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app: [Vulkan] keep VkSurfaceKHR ownership to platforms

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Before this change, it was unclear who owned the platform specific
VkSurfaceKHR object, leading to a double-free in the error path for
devices with no Vulkan support. This change moves the ownership to the
platform specific code.

Add vk.EnumeratePhysicalDevices while here (refactor was part of
debugging of the double-free).

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-09-23 11:26:41 +02:00
parent 53fe2e5235
commit 94f7fa3218
5 changed files with 34 additions and 33 deletions
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app/vulkan.go
+4 -22
View File
@@ -17,7 +17,6 @@ import (
type vkContext struct {
physDev vk.PhysicalDevice
inst vk.Instance
surf vk.Surface
dev vk.Device
queueFam int
queue vk.Queue
@@ -35,36 +34,30 @@ type vkContext struct {
func newVulkanContext(inst vk.Instance, surf vk.Surface) (*vkContext, error) {
physDev, qFam, err := vk.ChoosePhysicalDevice(inst, surf)
if err != nil {
vk.DestroySurface(inst, surf)
return nil, err
}
dev, err := vk.CreateDeviceAndQueue(physDev, qFam, "VK_KHR_swapchain")
if err != nil {
vk.DestroySurface(inst, surf)
return nil, err
}
if err != nil {
vk.DestroySurface(inst, surf)
vk.DestroyDevice(dev)
return nil, err
}
acquireSem, err := vk.CreateSemaphore(dev)
if err != nil {
vk.DestroySurface(inst, surf)
vk.DestroyDevice(dev)
return nil, err
}
presentSem, err := vk.CreateSemaphore(dev)
if err != nil {
vk.DestroySemaphore(dev, acquireSem)
vk.DestroySurface(inst, surf)
vk.DestroyDevice(dev)
return nil, err
}
c := &vkContext{
physDev: physDev,
inst: inst,
surf: surf,
dev: dev,
queueFam: qFam,
queue: vk.GetDeviceQueue(dev, qFam, 0),
@@ -120,7 +113,7 @@ func mapErr(err error) error {
func (c *vkContext) release() {
vk.DeviceWaitIdle(c.dev)
c.destroySurface()
c.destroySwapchain()
vk.DestroySemaphore(c.dev, c.acquireSem)
vk.DestroySemaphore(c.dev, c.presentSem)
vk.DestroyDevice(c.dev)
@@ -142,7 +135,7 @@ func (c *vkContext) destroyImageViews() {
c.views = nil
}
func (c *vkContext) destroySurface() {
func (c *vkContext) destroySwapchain() {
vk.DeviceWaitIdle(c.dev)
c.destroyImageViews()
@@ -150,24 +143,13 @@ func (c *vkContext) destroySurface() {
vk.DestroySwapchain(c.dev, c.swchain)
c.swchain = 0
}
if c.surf != 0 {
vk.DestroySurface(c.inst, c.surf)
c.surf = 0
}
}
func (c *vkContext) setSurface(surf vk.Surface) {
if c.surf != 0 {
panic("another surface is active")
}
c.surf = surf
}
func (c *vkContext) refresh(width, height int) error {
func (c *vkContext) refresh(surf vk.Surface, width, height int) error {
vk.DeviceWaitIdle(c.dev)
c.destroyImageViews()
swchain, imgs, format, err := vk.CreateSwapchain(c.physDev, c.dev, c.surf, width, height, c.swchain)
swchain, imgs, format, err := vk.CreateSwapchain(c.physDev, c.dev, surf, width, height, c.swchain)
if c.swchain != 0 {
vk.DestroySwapchain(c.dev, c.swchain)
c.swchain = 0