zworld-demo/engine/render/vulkan/instance/instance.go
2023-12-23 18:01:28 +08:00

66 lines
1.4 KiB
Go

package instance
import (
"github.com/go-gl/glfw/v3.3/glfw"
"github.com/vkngwrapper/core/v2"
"github.com/vkngwrapper/core/v2/common"
"github.com/vkngwrapper/core/v2/core1_0"
)
var (
engineName = "goworld"
layers = []string{
"VK_LAYER_KHRONOS_validation",
//"VK_LAYER_LUNARG_api_dump",
}
)
type T interface {
EnumeratePhysicalDevices() []core1_0.PhysicalDevice
Destroy()
Ptr() core1_0.Instance
}
type FInstance struct {
ptr core1_0.Instance
}
func New(appName string) T {
loader, err := core.CreateLoaderFromProcAddr(glfw.GetVulkanGetInstanceProcAddress())
if err != nil {
panic(err)
}
handle, _, err := loader.CreateInstance(nil, core1_0.InstanceCreateInfo{
APIVersion: common.APIVersion(common.CreateVersion(1, 1, 0)),
ApplicationName: appName,
ApplicationVersion: common.CreateVersion(0, 1, 0),
EngineName: "goworld",
EngineVersion: common.CreateVersion(0, 2, 1),
EnabledLayerNames: layers,
EnabledExtensionNames: extensions,
})
if err != nil {
panic(err)
}
return &FInstance{
ptr: handle,
}
}
func (i *FInstance) Ptr() core1_0.Instance {
return i.ptr
}
func (i *FInstance) Destroy() {
i.ptr.Destroy(nil)
i.ptr = nil
}
func (i *FInstance) EnumeratePhysicalDevices() []core1_0.PhysicalDevice {
r, _, err := i.ptr.EnumeratePhysicalDevices()
if err != nil {
panic(err)
}
return r
}