136 lines
3.6 KiB
Rust
136 lines
3.6 KiB
Rust
use crate::descriptor_heap::{CpuStagingHeap, D3D12DescriptorHeapSlot, RenderTargetHeap};
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use librashader_common::{FilterMode, Size, WrapMode};
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use std::ops::Deref;
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use windows::Win32::Graphics::Direct3D12::{ID3D12Resource, D3D12_CPU_DESCRIPTOR_HANDLE};
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use windows::Win32::Graphics::Dxgi::Common::DXGI_FORMAT;
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/// An image for use as shader resource view.
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pub struct D3D12InputImage {
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pub resource: ID3D12Resource,
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pub descriptor: D3D12_CPU_DESCRIPTOR_HANDLE,
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pub size: Size<u32>,
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pub format: DXGI_FORMAT,
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}
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#[derive(Clone)]
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pub(crate) enum InputDescriptor {
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Owned(D3D12DescriptorHeapSlot<CpuStagingHeap>),
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Raw(D3D12_CPU_DESCRIPTOR_HANDLE),
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}
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#[derive(Clone)]
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pub(crate) enum OutputDescriptor {
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Owned(D3D12DescriptorHeapSlot<RenderTargetHeap>),
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Raw(D3D12_CPU_DESCRIPTOR_HANDLE),
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}
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impl AsRef<D3D12_CPU_DESCRIPTOR_HANDLE> for InputDescriptor {
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fn as_ref(&self) -> &D3D12_CPU_DESCRIPTOR_HANDLE {
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match self {
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InputDescriptor::Owned(h) => h.deref().as_ref(),
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InputDescriptor::Raw(h) => h,
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}
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}
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}
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impl AsRef<D3D12_CPU_DESCRIPTOR_HANDLE> for OutputDescriptor {
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fn as_ref(&self) -> &D3D12_CPU_DESCRIPTOR_HANDLE {
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match self {
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OutputDescriptor::Owned(h) => h.deref().as_ref(),
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OutputDescriptor::Raw(h) => h,
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}
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}
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}
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/// An image view for use as a render target.
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///
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/// Can be created from a CPU descriptor handle, and a size.
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#[derive(Clone)]
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pub struct D3D12OutputView {
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pub(crate) descriptor: OutputDescriptor,
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pub(crate) size: Size<u32>,
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pub(crate) format: DXGI_FORMAT,
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}
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impl D3D12OutputView {
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pub(crate) fn new(
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handle: D3D12DescriptorHeapSlot<RenderTargetHeap>,
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size: Size<u32>,
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format: DXGI_FORMAT,
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) -> D3D12OutputView {
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let descriptor = OutputDescriptor::Owned(handle);
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D3D12OutputView {
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descriptor,
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size,
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format,
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}
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}
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// unsafe since the lifetime of the handle has to survive
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pub unsafe fn new_from_raw(
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handle: D3D12_CPU_DESCRIPTOR_HANDLE,
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size: Size<u32>,
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format: DXGI_FORMAT,
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) -> D3D12OutputView {
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let descriptor = OutputDescriptor::Raw(handle);
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D3D12OutputView {
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descriptor,
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size,
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format,
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}
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}
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}
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#[derive(Clone)]
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pub struct InputTexture {
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pub(crate) resource: ID3D12Resource,
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pub(crate) descriptor: InputDescriptor,
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pub(crate) size: Size<u32>,
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pub(crate) format: DXGI_FORMAT,
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pub(crate) wrap_mode: WrapMode,
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pub(crate) filter: FilterMode,
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}
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impl InputTexture {
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pub fn new(
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resource: ID3D12Resource,
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handle: D3D12DescriptorHeapSlot<CpuStagingHeap>,
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size: Size<u32>,
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format: DXGI_FORMAT,
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filter: FilterMode,
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wrap_mode: WrapMode,
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) -> InputTexture {
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let srv = InputDescriptor::Owned(handle);
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InputTexture {
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resource,
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descriptor: srv,
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size,
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format,
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wrap_mode,
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filter,
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}
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}
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// unsafe since the lifetime of the handle has to survive
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pub unsafe fn new_from_raw(
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image: D3D12InputImage,
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filter: FilterMode,
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wrap_mode: WrapMode,
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) -> InputTexture {
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InputTexture {
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resource: image.resource,
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descriptor: InputDescriptor::Raw(image.descriptor),
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size: image.size,
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format: image.format,
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wrap_mode,
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filter,
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}
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}
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}
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impl AsRef<InputTexture> for InputTexture {
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fn as_ref(&self) -> &InputTexture {
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self
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}
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}
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