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Parametrize the size of the non-sampler descriptor heap in dx12 (#4077)

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Nicolas Silva 2023-08-25 15:51:29 -04:00 committed by GitHub
parent 399637e2b8
commit 1ced67f056
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 26 additions and 3 deletions
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1
wgpu-hal/src/dx11/adapter.rs
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@ -237,6 +237,7 @@ impl super::Adapter {
max_compute_workgroups_per_dimension,
// D3D11_BUFFER_DESC represents the buffer size as a 32 bit int.
max_buffer_size: u32::MAX as u64,
max_non_sampler_bindings: u32::MAX,
};
//

4
wgpu-hal/src/dx12/adapter.rs
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@ -361,6 +361,7 @@ impl super::Adapter {
// This limit is chosen to avoid potential issues with drivers should they internally
// store buffer sizes using 32 bit ints (a situation we have already encountered with vulkan).
max_buffer_size: i32::MAX as u64,
max_non_sampler_bindings: 1_000_000,
},
alignments: crate::Alignments {
buffer_copy_offset: wgt::BufferSize::new(
@ -382,7 +383,7 @@ impl crate::Adapter<super::Api> for super::Adapter {
unsafe fn open(
&self,
_features: wgt::Features,
_limits: &wgt::Limits,
limits: &wgt::Limits,
) -> Result<crate::OpenDevice<super::Api>, crate::DeviceError> {
let queue = {
profiling::scope!("ID3D12Device::CreateCommandQueue");
@ -399,6 +400,7 @@ impl crate::Adapter<super::Api> for super::Adapter {
let device = super::Device::new(
self.device.clone(),
queue.clone(),
limits,
self.private_caps,
&self.library,
self.dx12_shader_compiler.clone(),

3
wgpu-hal/src/dx12/device.rs
View File

@ -16,6 +16,7 @@ impl super::Device {
pub(super) fn new(
raw: d3d12::Device,
present_queue: d3d12::CommandQueue,
limits: &wgt::Limits,
private_caps: super::PrivateCapabilities,
library: &Arc<d3d12::D3D12Lib>,
dx12_shader_compiler: wgt::Dx12Compiler,
@ -92,7 +93,7 @@ impl super::Device {
};
// maximum number of CBV/SRV/UAV descriptors in heap for Tier 1
let capacity_views = 1_000_000;
let capacity_views = limits.max_non_sampler_bindings as u64;
let capacity_samplers = 2_048;
let shared = super::DeviceShared {

1
wgpu-hal/src/gles/adapter.rs
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@ -576,6 +576,7 @@ impl super::Adapter {
},
max_compute_workgroups_per_dimension,
max_buffer_size: i32::MAX as u64,
max_non_sampler_bindings: std::u32::MAX,
};
let mut workarounds = super::Workarounds::empty();

1
wgpu-hal/src/metal/adapter.rs
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@ -904,6 +904,7 @@ impl super::PrivateCapabilities {
max_compute_workgroup_size_z: self.max_threads_per_group,
max_compute_workgroups_per_dimension: 0xFFFF,
max_buffer_size: self.max_buffer_size,
max_non_sampler_bindings: std::u32::MAX,
},
alignments: crate::Alignments {
buffer_copy_offset: wgt::BufferSize::new(self.buffer_alignment).unwrap(),

1
wgpu-hal/src/vulkan/adapter.rs
View File

@ -755,6 +755,7 @@ impl PhysicalDeviceCapabilities {
max_compute_workgroup_size_z: max_compute_workgroup_sizes[2],
max_compute_workgroups_per_dimension,
max_buffer_size,
max_non_sampler_bindings: std::u32::MAX,
}
}

5
wgpu-info/src/human.rs
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@ -124,6 +124,7 @@ fn print_adapter(output: &mut impl io::Write, report: &AdapterReport, idx: usize
max_compute_workgroup_size_y,
max_compute_workgroup_size_z,
max_compute_workgroups_per_dimension,
max_non_sampler_bindings,
} = limits;
writeln!(output, "\t\t Max Texture Dimension 1d: {max_texture_dimension_1d}")?;
writeln!(output, "\t\t Max Texture Dimension 2d: {max_texture_dimension_2d}")?;
@ -155,6 +156,10 @@ fn print_adapter(output: &mut impl io::Write, report: &AdapterReport, idx: usize
writeln!(output, "\t\t Max Compute Workgroup Size Z: {max_compute_workgroup_size_z}")?;
writeln!(output, "\t\t Max Compute Workgroups Per Dimension: {max_compute_workgroups_per_dimension}")?;
// This one reflects more of a wgpu implementation limitations than a hardware limit
// so don't show it here.
let _ = max_non_sampler_bindings;
//////////////////////////
// Downlevel Properties //
//////////////////////////

13
wgpu-types/src/lib.rs
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@ -931,6 +931,12 @@ pub struct Limits {
/// - DX11 & OpenGL don't natively support push constants, and are emulated with uniforms,
/// so this number is less useful but likely 256.
pub max_push_constant_size: u32,
/// Maximum number of live non-sampler bindings.
///
/// This limit only affects the d3d12 backend. Using a large number will allow the device
/// to create many bind groups at the cost of a large up-front allocation at device creation.
pub max_non_sampler_bindings: u32,
}
impl Default for Limits {
@ -965,6 +971,7 @@ impl Default for Limits {
max_compute_workgroup_size_z: 64,
max_compute_workgroups_per_dimension: 65535,
max_push_constant_size: 0,
max_non_sampler_bindings: 1_000_000,
}
}
}
@ -1005,6 +1012,7 @@ impl Limits {
/// max_compute_workgroup_size_z: 64,
/// max_compute_workgroups_per_dimension: 65535,
/// max_buffer_size: 256 << 20, // (256 MiB)
/// max_non_sampler_bindings: 1_000_000,
/// });
/// ```
pub fn downlevel_defaults() -> Self {
@ -1038,6 +1046,7 @@ impl Limits {
max_compute_workgroup_size_z: 64,
max_compute_workgroups_per_dimension: 65535,
max_buffer_size: 256 << 20,
max_non_sampler_bindings: 1_000_000,
}
}
@ -1076,7 +1085,8 @@ impl Limits {
/// max_compute_workgroup_size_y: 0, // +
/// max_compute_workgroup_size_z: 0, // +
/// max_compute_workgroups_per_dimension: 0, // +
/// max_buffer_size: 256 << 20, // (256 MiB)
/// max_buffer_size: 256 << 20, // (256 MiB),
/// max_non_sampler_bindings: 1_000_000,
/// });
/// ```
pub fn downlevel_webgl2_defaults() -> Self {
@ -1193,6 +1203,7 @@ impl Limits {
compare!(max_compute_workgroup_size_z, Less);
compare!(max_compute_workgroups_per_dimension, Less);
compare!(max_buffer_size, Less);
compare!(max_non_sampler_bindings, Less);
}
}