diff options
Diffstat (limited to 'third_party/rust/wgpu-hal/src/dx12/adapter.rs')
| -rw-r--r-- | third_party/rust/wgpu-hal/src/dx12/adapter.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/third_party/rust/wgpu-hal/src/dx12/adapter.rs b/third_party/rust/wgpu-hal/src/dx12/adapter.rs index f6027014d2..960e1790a9 100644 --- a/third_party/rust/wgpu-hal/src/dx12/adapter.rs +++ b/third_party/rust/wgpu-hal/src/dx12/adapter.rs @@ -242,6 +242,7 @@ impl super::Adapter { | wgt::Features::POLYGON_MODE_LINE | wgt::Features::TEXTURE_ADAPTER_SPECIFIC_FORMAT_FEATURES | wgt::Features::TIMESTAMP_QUERY + | wgt::Features::TIMESTAMP_QUERY_INSIDE_ENCODERS | wgt::Features::TIMESTAMP_QUERY_INSIDE_PASSES | wgt::Features::TEXTURE_COMPRESSION_BC | wgt::Features::CLEAR_TEXTURE @@ -294,6 +295,22 @@ impl super::Adapter { bgra8unorm_storage_supported, ); + // we must be using DXC because uint64_t was added with Shader Model 6 + // and FXC only supports up to 5.1 + let int64_shader_ops_supported = dxc_container.is_some() && { + let mut features1: d3d12_ty::D3D12_FEATURE_DATA_D3D12_OPTIONS1 = + unsafe { mem::zeroed() }; + let hr = unsafe { + device.CheckFeatureSupport( + d3d12_ty::D3D12_FEATURE_D3D12_OPTIONS1, + &mut features1 as *mut _ as *mut _, + mem::size_of::<d3d12_ty::D3D12_FEATURE_DATA_D3D12_OPTIONS1>() as _, + ) + }; + hr == 0 && features1.Int64ShaderOps != 0 + }; + features.set(wgt::Features::SHADER_INT64, int64_shader_ops_supported); + // float32-filterable should always be available on d3d12 features.set(wgt::Features::FLOAT32_FILTERABLE, true); @@ -307,6 +324,12 @@ impl super::Adapter { downlevel.flags -= wgt::DownlevelFlags::VERTEX_AND_INSTANCE_INDEX_RESPECTS_RESPECTIVE_FIRST_VALUE_IN_INDIRECT_DRAW; + // See https://learn.microsoft.com/en-us/windows/win32/direct3d12/hardware-feature-levels#feature-level-support + let max_color_attachments = 8; + // TODO: determine this programmatically if possible. + // https://github.com/gpuweb/gpuweb/issues/2965#issuecomment-1361315447 + let max_color_attachment_bytes_per_sample = 64; + Some(crate::ExposedAdapter { adapter: super::Adapter { raw: adapter, @@ -377,6 +400,8 @@ impl super::Adapter { d3d12_ty::D3D12_CONSTANT_BUFFER_DATA_PLACEMENT_ALIGNMENT, min_storage_buffer_offset_alignment: 4, max_inter_stage_shader_components: base.max_inter_stage_shader_components, + max_color_attachments, + max_color_attachment_bytes_per_sample, max_compute_workgroup_storage_size: base.max_compute_workgroup_storage_size, //TODO? max_compute_invocations_per_workgroup: d3d12_ty::D3D12_CS_4_X_THREAD_GROUP_MAX_THREADS_PER_GROUP, |