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Fix Storage textures/buffers support

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This commit is contained in:
Dzmitry Malyshau 2019-05-29 23:22:08 -04:00
parent 2614efba7c
commit d01509e9a2
1 changed files with 26 additions and 18 deletions
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44
wgpu-native/src/device.rs
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@ -1055,23 +1055,17 @@ pub fn device_create_bind_group(
for (b, decl) in bindings.iter().zip(&bind_group_layout.bindings) {
let descriptor = match b.resource {
binding_model::BindingResource::Buffer(ref bb) => {
let buffer = used
.buffers
.get_with_extended_usage(
&*buffer_guard,
bb.buffer,
resource::BufferUsage::UNIFORM,
)
.unwrap();
let alignment = match decl.ty {
let (alignment, usage) = match decl.ty {
binding_model::BindingType::UniformBuffer
| binding_model::BindingType::UniformBufferDynamic => {
device.limits.min_uniform_buffer_offset_alignment
}
| binding_model::BindingType::UniformBufferDynamic => (
device.limits.min_uniform_buffer_offset_alignment,
resource::BufferUsage::UNIFORM,
),
binding_model::BindingType::StorageBuffer
| binding_model::BindingType::StorageBufferDynamic => {
device.limits.min_storage_buffer_offset_alignment
}
| binding_model::BindingType::StorageBufferDynamic => (
device.limits.min_storage_buffer_offset_alignment,
resource::BufferUsage::STORAGE,
),
binding_model::BindingType::Sampler
| binding_model::BindingType::SampledTexture
| binding_model::BindingType::StorageTexture => {
@ -1084,6 +1078,10 @@ pub fn device_create_bind_group(
"Misaligned buffer offset {}",
bb.offset
);
let buffer = used
.buffers
.get_with_extended_usage(&*buffer_guard, bb.buffer, usage)
.unwrap();
let range = Some(bb.offset) .. Some(bb.offset + bb.size);
hal::pso::Descriptor::Buffer(&buffer.raw, range)
}
@ -1093,18 +1091,28 @@ pub fn device_create_bind_group(
hal::pso::Descriptor::Sampler(&sampler.raw)
}
binding_model::BindingResource::TextureView(id) => {
assert_eq!(decl.ty, binding_model::BindingType::SampledTexture);
let (usage, image_layout) = match decl.ty {
binding_model::BindingType::SampledTexture => (
resource::TextureUsage::SAMPLED,
hal::image::Layout::ShaderReadOnlyOptimal,
),
binding_model::BindingType::StorageTexture => (
resource::TextureUsage::STORAGE,
hal::image::Layout::General,
),
_ => panic!("Missmatched texture binding for {:?}", decl),
};
let view = &texture_view_guard[id];
used.views.query(id, &view.life_guard.ref_count, DummyUsage);
used.textures
.transit(
view.texture_id.value,
&view.texture_id.ref_count,
resource::TextureUsage::SAMPLED,
usage,
TrackPermit::EXTEND,
)
.unwrap();
hal::pso::Descriptor::Image(&view.raw, hal::image::Layout::ShaderReadOnlyOptimal)
hal::pso::Descriptor::Image(&view.raw, image_layout)
}
};
writes.alloc().init(hal::pso::DescriptorSetWrite {