project-aster/samples/03_model_render/shader/slang/bindless.slang

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[vk::binding(0, 0)] __DynamicResource<__DynamicResourceKind.General> gBuffers[];
[vk::binding(1, 0)] __DynamicResource<__DynamicResourceKind.Sampler> gSamplers[];
[vk::binding(2, 0)] __DynamicResource<__DynamicResourceKind.General> gStorageTextures[];
bool IsValid<T>(DescriptorHandle<T> handle) where T : IOpaqueDescriptor
{
var handleVal = (uint2)handle;
return handleVal.x != 0xFFFFFFFF;
}
export T getDescriptorFromHandle<T>(DescriptorHandle<T> handle) where T : IOpaqueDescriptor
{
__target_switch
{
case spirv:
switch (T.kind) {
case DescriptorKind.Buffer:
return gBuffers[((uint2)handle).x].asOpaqueDescriptor<T>();
case DescriptorKind.CombinedTextureSampler:
return gSamplers[((uint2)handle).x].asOpaqueDescriptor<T>();
case DescriptorKind.Texture:
return gStorageTextures[((uint2)handle).x].asOpaqueDescriptor<T>();
default:
return defaultGetDescriptorFromHandle(handle);
}
default:
return defaultGetDescriptorFromHandle(handle);
}
}