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PersistentDescriptorSetError: Expand missing usage errors (#1021)

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Expand MissingUsage into MissingBufferUsage and MissingImageUsage
each with an enum so that the usage that is missing is obvious
in the error, e.g.:

thread 'main' panicked at 'add curimage: MissingImageUsage(Storage)'

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
This commit is contained in:
Dave Gilbert 2018-08-26 22:10:36 +01:00 committed by Lucas Kent
parent c720da66cd
commit 40e0bbf77e
2 changed files with 42 additions and 12 deletions
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5
CHANGELOG.md
View File

@ -1,4 +1,7 @@
# Unreleased
# Unreleased (Breaking)
- Split 'PersistentDescriptorSetError::MissingUsage' into 'MissingImageUsage' and 'MissingBufferUsage'
each with a matching enum indicating the usage that was missing.
# Version 0.10.0 (2018-08-10)

49
vulkano/src/descriptor/descriptor_set/persistent.rs
View File

@ -418,7 +418,8 @@ impl<L, R> PersistentDescriptorSetBuilderArray<L, R>
if buffer_desc.storage {
if !buffer.inner().buffer.usage_storage_buffer() {
return Err(PersistentDescriptorSetError::MissingUsage);
return Err(PersistentDescriptorSetError::MissingBufferUsage(
MissingBufferUsage::StorageBuffer));
}
unsafe {
@ -428,7 +429,8 @@ impl<L, R> PersistentDescriptorSetBuilderArray<L, R>
}
} else {
if !buffer.inner().buffer.usage_uniform_buffer() {
return Err(PersistentDescriptorSetError::MissingUsage);
return Err(PersistentDescriptorSetError::MissingBufferUsage(
MissingBufferUsage::UniformBuffer));
}
unsafe {
@ -487,7 +489,8 @@ impl<L, R> PersistentDescriptorSetBuilderArray<L, R>
// TODO: storage_texel_buffer_atomic
if !view.view().storage_texel_buffer() {
return Err(PersistentDescriptorSetError::MissingUsage);
return Err(PersistentDescriptorSetError::MissingBufferUsage(
MissingBufferUsage::StorageTexelBuffer));
}
DescriptorWrite::storage_texel_buffer(self.builder.binding_id as u32,
@ -495,7 +498,8 @@ impl<L, R> PersistentDescriptorSetBuilderArray<L, R>
view.view())
} else {
if !view.view().uniform_texel_buffer() {
return Err(PersistentDescriptorSetError::MissingUsage);
return Err(PersistentDescriptorSetError::MissingBufferUsage(
MissingBufferUsage::UniformTexelBuffer));
}
DescriptorWrite::uniform_texel_buffer(self.builder.binding_id as u32,
@ -572,7 +576,8 @@ impl<L, R> PersistentDescriptorSetBuilderArray<L, R>
array_layers,
} => {
if !image_view.parent().inner().image.usage_input_attachment() {
return Err(PersistentDescriptorSetError::MissingUsage);
return Err(PersistentDescriptorSetError::MissingImageUsage(
MissingImageUsage::InputAttachment));
}
if multisampled && image_view.samples() == 1 {
@ -756,9 +761,11 @@ fn image_match_desc<I>(image_view: &I, desc: &DescriptorImageDesc)
where I: ?Sized + ImageViewAccess
{
if desc.sampled && !image_view.parent().inner().image.usage_sampled() {
return Err(PersistentDescriptorSetError::MissingUsage);
return Err(PersistentDescriptorSetError::MissingImageUsage(
MissingImageUsage::Sampled));
} else if !desc.sampled && !image_view.parent().inner().image.usage_storage() {
return Err(PersistentDescriptorSetError::MissingUsage);
return Err(PersistentDescriptorSetError::MissingImageUsage(
MissingImageUsage::Storage));
}
let image_view_ty = DescriptorImageDescDimensions::from_dimensions(image_view.dimensions());
@ -983,6 +990,20 @@ unsafe impl<R> PersistentDescriptorSetResources for (R, PersistentDescriptorSetS
}
}
// Part of the PersisitentDescriptorSetError for the case
// of missing usage on a buffer.
#[derive(Debug, Clone)]
pub enum MissingBufferUsage {
StorageBuffer, UniformBuffer, StorageTexelBuffer, UniformTexelBuffer
}
// Part of the PersisitentDescriptorSetError for the case
// of missing usage on an image.
#[derive(Debug, Clone)]
pub enum MissingImageUsage {
InputAttachment, Sampled, Storage
}
/// Error related to the persistent descriptor set.
#[derive(Debug, Clone)]
pub enum PersistentDescriptorSetError {
@ -1009,8 +1030,11 @@ pub enum PersistentDescriptorSetError {
/// The image view isn't compatible with the sampler.
IncompatibleImageViewSampler,
/// The buffer or image is missing the correct usage.
MissingUsage,
/// The buffer is missing the correct usage.
MissingBufferUsage(MissingBufferUsage),
/// The image is missing the correct usage.
MissingImageUsage(MissingImageUsage),
/// Expected a multisampled image, but got a single-sampled image.
ExpectedMultisampled,
@ -1062,8 +1086,11 @@ impl error::Error for PersistentDescriptorSetError {
PersistentDescriptorSetError::IncompatibleImageViewSampler => {
"the image view isn't compatible with the sampler"
},
PersistentDescriptorSetError::MissingUsage => {
"the buffer or image is missing the correct usage"
PersistentDescriptorSetError::MissingBufferUsage { .. } => {
"the buffer is missing the correct usage"
},
PersistentDescriptorSetError::MissingImageUsage { .. } => {
"the image is missing the correct usage"
},
PersistentDescriptorSetError::ExpectedMultisampled => {
"expected a multisampled image, but got a single-sampled image"