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Use Device limits and features provided by user

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Spec update
This commit is contained in:
Kunal Mohan 2020-09-22 11:49:34 +05:30
parent cd73193efe
commit 3661aa3d8c
16 changed files with 210 additions and 57 deletions
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60
components/script/dom/gpuadapter.rs
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@ -3,7 +3,7 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::codegen::Bindings::GPUAdapterBinding::{
GPUAdapterMethods, GPUDeviceDescriptor,
GPUAdapterMethods, GPUDeviceDescriptor, GPUExtensionName, GPULimits,
};
use crate::dom::bindings::error::Error;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
@ -80,10 +80,39 @@ impl GPUAdapterMethods for GPUAdapter {
fn RequestDevice(&self, descriptor: &GPUDeviceDescriptor, comp: InRealm) -> Rc<Promise> {
let promise = Promise::new_in_current_realm(&self.global(), comp);
let sender = response_async(&promise, self);
let mut features = wgt::Features::empty();
for &ext in descriptor.extensions.iter() {
if ext == GPUExtensionName::Depth_clamping {
features.insert(wgt::Features::DEPTH_CLAMPING);
} else if ext == GPUExtensionName::Texture_compression_bc {
features.insert(wgt::Features::TEXTURE_COMPRESSION_BC)
}
}
let desc = wgt::DeviceDescriptor {
features: wgt::Features::empty(),
features,
limits: wgt::Limits {
max_bind_groups: descriptor.limits.maxBindGroups,
max_dynamic_uniform_buffers_per_pipeline_layout: descriptor
.limits
.maxDynamicUniformBuffersPerPipelineLayout,
max_dynamic_storage_buffers_per_pipeline_layout: descriptor
.limits
.maxDynamicStorageBuffersPerPipelineLayout,
max_sampled_textures_per_shader_stage: descriptor
.limits
.maxSampledTexturesPerShaderStage,
max_samplers_per_shader_stage: descriptor.limits.maxSamplersPerShaderStage,
max_storage_buffers_per_shader_stage: descriptor
.limits
.maxStorageBuffersPerShaderStage,
max_storage_textures_per_shader_stage: descriptor
.limits
.maxStorageTexturesPerShaderStage,
max_uniform_buffers_per_shader_stage: descriptor
.limits
.maxUniformBuffersPerShaderStage,
max_uniform_buffer_binding_size: descriptor.limits.maxUniformBufferBindingSize,
..Default::default()
},
shader_validation: true,
@ -122,15 +151,38 @@ impl AsyncWGPUListener for GPUAdapter {
Ok(WebGPUResponse::RequestDevice {
device_id,
queue_id,
_descriptor,
descriptor,
label,
}) => {
let limits = GPULimits {
maxBindGroups: descriptor.limits.max_bind_groups,
maxDynamicStorageBuffersPerPipelineLayout: descriptor
.limits
.max_dynamic_storage_buffers_per_pipeline_layout,
maxDynamicUniformBuffersPerPipelineLayout: descriptor
.limits
.max_dynamic_uniform_buffers_per_pipeline_layout,
maxSampledTexturesPerShaderStage: descriptor
.limits
.max_sampled_textures_per_shader_stage,
maxSamplersPerShaderStage: descriptor.limits.max_samplers_per_shader_stage,
maxStorageBuffersPerShaderStage: descriptor
.limits
.max_storage_buffers_per_shader_stage,
maxStorageTexturesPerShaderStage: descriptor
.limits
.max_storage_textures_per_shader_stage,
maxUniformBufferBindingSize: descriptor.limits.max_uniform_buffer_binding_size,
maxUniformBuffersPerShaderStage: descriptor
.limits
.max_uniform_buffers_per_shader_stage,
};
let device = GPUDevice::new(
&self.global(),
self.channel.clone(),
&self,
Heap::default(),
Heap::default(),
limits,
device_id,
queue_id,
label,