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Add struct for descriptor binding

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This commit is contained in:
msiglreith 2018-09-01 16:57:38 +02:00
parent 5e4b1b8795
commit 56770dce92
1 changed files with 14 additions and 21 deletions
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35
src/descriptor.rs
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@ -7,6 +7,11 @@ use {Blob, D3DResult, Error, TextureAddressMode};
pub type CpuDescriptor = d3d12::D3D12_CPU_DESCRIPTOR_HANDLE; pub type CpuDescriptor = d3d12::D3D12_CPU_DESCRIPTOR_HANDLE;
pub type GpuDescriptor = d3d12::D3D12_GPU_DESCRIPTOR_HANDLE; pub type GpuDescriptor = d3d12::D3D12_GPU_DESCRIPTOR_HANDLE;
pub struct Binding {
pub register: u32,
pub space: u32,
}
#[repr(u32)] #[repr(u32)]
#[derive(Clone, Copy)] #[derive(Clone, Copy)]
pub enum HeapType { pub enum HeapType {
@ -57,18 +62,12 @@ pub enum DescriptorRangeType {
#[repr(transparent)] #[repr(transparent)]
pub struct DescriptorRange(d3d12::D3D12_DESCRIPTOR_RANGE); pub struct DescriptorRange(d3d12::D3D12_DESCRIPTOR_RANGE);
impl DescriptorRange { impl DescriptorRange {
pub fn new( pub fn new(ty: DescriptorRangeType, count: u32, base_binding: Binding, offset: u32) -> Self {
ty: DescriptorRangeType,
count: u32,
base_register: u32,
register_space: u32,
offset: u32,
) -> Self {
DescriptorRange(d3d12::D3D12_DESCRIPTOR_RANGE { DescriptorRange(d3d12::D3D12_DESCRIPTOR_RANGE {
RangeType: ty as _, RangeType: ty as _,
NumDescriptors: count, NumDescriptors: count,
BaseShaderRegister: base_register, BaseShaderRegister: base_binding.register,
RegisterSpace: register_space, RegisterSpace: base_binding.space,
OffsetInDescriptorsFromTableStart: offset, OffsetInDescriptorsFromTableStart: offset,
}) })
} }
@ -93,12 +92,7 @@ impl RootParameter {
RootParameter(param) RootParameter(param)
} }
pub fn constants( pub fn constants(visibility: ShaderVisibility, binding: Binding, num: u32) -> Self {
visibility: ShaderVisibility,
register: u32,
register_space: u32,
num: u32,
) -> Self {
let mut param = d3d12::D3D12_ROOT_PARAMETER { let mut param = d3d12::D3D12_ROOT_PARAMETER {
ParameterType: d3d12::D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS, ParameterType: d3d12::D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS,
ShaderVisibility: visibility as _, ShaderVisibility: visibility as _,
@ -106,8 +100,8 @@ impl RootParameter {
}; };
*unsafe { param.u.Constants_mut() } = d3d12::D3D12_ROOT_CONSTANTS { *unsafe { param.u.Constants_mut() } = d3d12::D3D12_ROOT_CONSTANTS {
ShaderRegister: register, ShaderRegister: binding.register,
RegisterSpace: register_space, RegisterSpace: binding.space,
Num32BitValues: num, Num32BitValues: num,
}; };
@ -127,8 +121,7 @@ pub struct StaticSampler(d3d12::D3D12_STATIC_SAMPLER_DESC);
impl StaticSampler { impl StaticSampler {
pub fn new( pub fn new(
visibility: ShaderVisibility, visibility: ShaderVisibility,
register: u32, binding: Binding,
register_space: u32,
filter: d3d12::D3D12_FILTER, filter: d3d12::D3D12_FILTER,
address_mode: TextureAddressMode, address_mode: TextureAddressMode,
@ -149,8 +142,8 @@ impl StaticSampler {
BorderColor: border_color as _, BorderColor: border_color as _,
MinLOD: lod.start, MinLOD: lod.start,
MaxLOD: lod.end, MaxLOD: lod.end,
ShaderRegister: register, ShaderRegister: binding.register,
RegisterSpace: register_space, RegisterSpace: binding.space,
ShaderVisibility: visibility as _, ShaderVisibility: visibility as _,
}) })
} }