2023-01-25 17:32:10 +11:00
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use std::mem::ManuallyDrop;
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use std::u64;
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2023-01-25 15:15:43 +11:00
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use crate::error;
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use windows::core::PCSTR;
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2023-01-27 18:53:24 +11:00
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use windows::Win32::Graphics::Direct3D::Fxc::{D3DCompile, D3DCOMPILE_DEBUG, D3DCOMPILE_OPTIMIZATION_LEVEL3, D3DCOMPILE_SKIP_OPTIMIZATION};
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2023-01-25 15:15:43 +11:00
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use windows::Win32::Graphics::Direct3D::ID3DBlob;
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2023-01-25 17:32:10 +11:00
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use windows::Win32::Graphics::Direct3D12::{ID3D12Device, D3D12_FEATURE_DATA_FORMAT_SUPPORT, D3D12_FEATURE_FORMAT_SUPPORT, ID3D12CommandList, ID3D12GraphicsCommandList, ID3D12Resource, D3D12_RESOURCE_DESC, D3D12_RESOURCE_BARRIER, D3D12_RESOURCE_BARRIER_TYPE_TRANSITION, D3D12_RESOURCE_BARRIER_FLAG_NONE, D3D12_RESOURCE_DESC1, D3D12_RESOURCE_BARRIER_0, D3D12_RESOURCE_TRANSITION_BARRIER, D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES, D3D12_RESOURCE_STATES, D3D12_PLACED_SUBRESOURCE_FOOTPRINT, D3D12_MEMCPY_DEST, D3D12_SUBRESOURCE_DATA, D3D12_RESOURCE_DIMENSION_BUFFER, D3D12_TEXTURE_COPY_LOCATION, D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX, D3D12_TEXTURE_COPY_LOCATION_0, D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT};
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2023-01-25 15:15:43 +11:00
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use windows::Win32::Graphics::Dxgi::Common::*;
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2023-01-25 17:32:10 +11:00
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use crate::error::assume_d3d12_init;
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2023-01-25 15:15:43 +11:00
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/// wtf retroarch?
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const DXGI_FORMAT_EX_A4R4G4B4_UNORM: DXGI_FORMAT = DXGI_FORMAT(1000);
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const fn d3d12_format_fallback_list(format: DXGI_FORMAT) -> Option<&'static [DXGI_FORMAT]> {
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match format {
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DXGI_FORMAT_R32G32B32A32_FLOAT => Some(&[
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DXGI_FORMAT_R32G32B32A32_FLOAT,
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DXGI_FORMAT_R16G16B16A16_FLOAT,
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DXGI_FORMAT_R32G32B32_FLOAT,
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DXGI_FORMAT_R11G11B10_FLOAT,
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DXGI_FORMAT_UNKNOWN,
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]),
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DXGI_FORMAT_R16G16B16A16_FLOAT => Some(&[
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DXGI_FORMAT_R16G16B16A16_FLOAT,
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DXGI_FORMAT_R32G32B32A32_FLOAT,
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DXGI_FORMAT_R32G32B32_FLOAT,
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DXGI_FORMAT_R11G11B10_FLOAT,
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DXGI_FORMAT_UNKNOWN,
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]),
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DXGI_FORMAT_R8G8B8A8_UNORM => Some(&[
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DXGI_FORMAT_R8G8B8A8_UNORM,
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DXGI_FORMAT_B8G8R8A8_UNORM,
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DXGI_FORMAT_B8G8R8X8_UNORM,
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DXGI_FORMAT_UNKNOWN,
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]),
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DXGI_FORMAT_R8G8B8A8_UNORM_SRGB => Some(&[
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DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
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DXGI_FORMAT_R8G8B8A8_UNORM,
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DXGI_FORMAT_B8G8R8A8_UNORM,
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DXGI_FORMAT_B8G8R8X8_UNORM,
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DXGI_FORMAT_UNKNOWN,
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]),
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DXGI_FORMAT_B8G8R8A8_UNORM => Some(&[
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DXGI_FORMAT_B8G8R8A8_UNORM,
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DXGI_FORMAT_R8G8B8A8_UNORM,
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DXGI_FORMAT_UNKNOWN,
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]),
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DXGI_FORMAT_B8G8R8X8_UNORM => Some(&[
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DXGI_FORMAT_B8G8R8X8_UNORM,
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DXGI_FORMAT_B8G8R8A8_UNORM,
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DXGI_FORMAT_R8G8B8A8_UNORM,
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DXGI_FORMAT_UNKNOWN,
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]),
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DXGI_FORMAT_B5G6R5_UNORM => Some(&[
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DXGI_FORMAT_B5G6R5_UNORM,
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DXGI_FORMAT_B8G8R8X8_UNORM,
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DXGI_FORMAT_B8G8R8A8_UNORM,
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DXGI_FORMAT_R8G8B8A8_UNORM,
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DXGI_FORMAT_UNKNOWN,
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]),
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DXGI_FORMAT_EX_A4R4G4B4_UNORM | DXGI_FORMAT_B4G4R4A4_UNORM => Some(&[
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DXGI_FORMAT_B4G4R4A4_UNORM,
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DXGI_FORMAT_B8G8R8A8_UNORM,
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DXGI_FORMAT_R8G8B8A8_UNORM,
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DXGI_FORMAT_UNKNOWN,
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]),
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DXGI_FORMAT_A8_UNORM => Some(&[
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DXGI_FORMAT_A8_UNORM,
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DXGI_FORMAT_R8_UNORM,
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DXGI_FORMAT_R8G8_UNORM,
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DXGI_FORMAT_R8G8B8A8_UNORM,
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DXGI_FORMAT_B8G8R8A8_UNORM,
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DXGI_FORMAT_UNKNOWN,
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]),
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DXGI_FORMAT_R8_UNORM => Some(&[
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DXGI_FORMAT_R8_UNORM,
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DXGI_FORMAT_A8_UNORM,
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DXGI_FORMAT_R8G8_UNORM,
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DXGI_FORMAT_R8G8B8A8_UNORM,
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DXGI_FORMAT_B8G8R8A8_UNORM,
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DXGI_FORMAT_UNKNOWN,
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]),
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_ => None,
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}
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}
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pub fn d3d12_get_closest_format(
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device: &ID3D12Device,
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format: DXGI_FORMAT,
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format_support: D3D12_FEATURE_DATA_FORMAT_SUPPORT,
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) -> DXGI_FORMAT {
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let default_list = [format, DXGI_FORMAT_UNKNOWN];
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let format_support_list = d3d12_format_fallback_list(format).unwrap_or(&default_list);
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for supported in format_support_list {
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unsafe {
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let mut support = D3D12_FEATURE_DATA_FORMAT_SUPPORT {
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Format: format,
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..Default::default()
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};
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if device
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.CheckFeatureSupport(
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D3D12_FEATURE_FORMAT_SUPPORT,
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&mut support as *mut _ as *mut _,
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std::mem::size_of::<D3D12_FEATURE_DATA_FORMAT_SUPPORT>() as u32,
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)
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.is_ok()
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&& (support.Support1 & format_support.Support1) == format_support.Support1
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&& (support.Support2 & format_support.Support2) == format_support.Support2
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{
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return *supported;
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}
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}
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}
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DXGI_FORMAT_UNKNOWN
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}
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pub fn d3d_compile_shader(source: &[u8], entry: &[u8], version: &[u8]) -> error::Result<ID3DBlob> {
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unsafe {
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let mut blob = None;
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D3DCompile(
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source.as_ptr().cast(),
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source.len(),
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None,
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None,
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None,
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PCSTR(entry.as_ptr()),
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PCSTR(version.as_ptr()),
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if cfg!(feature = "debug-shader") {
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D3DCOMPILE_DEBUG | D3DCOMPILE_SKIP_OPTIMIZATION
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} else {
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2023-01-27 18:53:24 +11:00
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D3DCOMPILE_OPTIMIZATION_LEVEL3
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2023-01-25 15:15:43 +11:00
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},
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0,
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&mut blob,
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None,
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)?;
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Ok(blob.unwrap())
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}
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}
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2023-01-25 17:32:10 +11:00
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2023-01-28 17:38:55 +11:00
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#[inline(always)]
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2023-01-25 17:32:10 +11:00
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pub fn d3d12_resource_transition(cmd: &ID3D12GraphicsCommandList,
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resource: &ID3D12Resource,
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before: D3D12_RESOURCE_STATES,
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2023-01-28 17:38:55 +11:00
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after: D3D12_RESOURCE_STATES,
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) {
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d3d12_resource_transition_subresource(cmd, resource, before, after,D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES);
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}
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#[inline(always)]
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pub fn d3d12_resource_transition_subresource(cmd: &ID3D12GraphicsCommandList,
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resource: &ID3D12Resource,
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before: D3D12_RESOURCE_STATES,
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after: D3D12_RESOURCE_STATES,
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subresource: u32
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2023-01-25 17:32:10 +11:00
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) {
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let barrier = [D3D12_RESOURCE_BARRIER {
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Type: D3D12_RESOURCE_BARRIER_TYPE_TRANSITION,
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Flags: D3D12_RESOURCE_BARRIER_FLAG_NONE,
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Anonymous: D3D12_RESOURCE_BARRIER_0 {
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Transition: ManuallyDrop::new(D3D12_RESOURCE_TRANSITION_BARRIER {
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pResource: windows::core::ManuallyDrop::new(resource),
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2023-01-28 17:38:55 +11:00
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Subresource: subresource,
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2023-01-25 17:32:10 +11:00
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StateBefore: before,
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StateAfter: after,
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})
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},
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}];
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unsafe {
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cmd.ResourceBarrier(&barrier)
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}
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}
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pub fn d3d12_update_subresources(cmd: &ID3D12GraphicsCommandList,
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destination_resource: &ID3D12Resource,
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intermediate_resource: &ID3D12Resource,
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intermediate_offset: u64,
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first_subresouce: u32,
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num_subresources: u32,
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source: &[D3D12_SUBRESOURCE_DATA]
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) -> error::Result<u64> {
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// let allocation_size = std::mem::size_of::<D3D12_PLACED_SUBRESOURCE_FOOTPRINT>()
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// + std::mem::size_of::<u32>()
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// + std::mem::size_of::<u64>() * num_subresources;
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unsafe {
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let destination_desc = destination_resource.GetDesc();
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let mut device: Option<ID3D12Device> = None;
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destination_resource.GetDevice(&mut device)?;
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assume_d3d12_init!(device, "GetDevice");
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let mut layouts = vec![D3D12_PLACED_SUBRESOURCE_FOOTPRINT::default(); num_subresources as usize];
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let mut num_rows = vec![0; num_subresources as usize];
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let mut row_sizes_in_bytes = vec![0; num_subresources as usize];
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let mut required_size = 0;
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// texture upload
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unsafe {
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device.GetCopyableFootprints(
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&destination_desc,
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first_subresouce,
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num_subresources,
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intermediate_offset,
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Some(layouts.as_mut_ptr()),
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Some(num_rows.as_mut_ptr()),
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Some(row_sizes_in_bytes.as_mut_ptr()),
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Some(&mut required_size),
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);
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}
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update_subresources(
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cmd,
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destination_resource,
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intermediate_resource,
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first_subresouce,
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num_subresources,
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required_size,
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&layouts,
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&num_rows,
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&row_sizes_in_bytes,
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source,
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)
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}
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}
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#[allow(clippy::too_many_arguments)]
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fn update_subresources(
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cmd: &ID3D12GraphicsCommandList,
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destination_resource: &ID3D12Resource,
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intermediate_resource: &ID3D12Resource,
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first_subresouce: u32,
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num_subresources: u32,
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required_size: u64,
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layouts: &[D3D12_PLACED_SUBRESOURCE_FOOTPRINT],
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num_rows: &[u32],
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row_sizes_in_bytes: &[u64],
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source_data: &[D3D12_SUBRESOURCE_DATA],
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) -> error::Result<u64> {
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// ToDo: implement validation as in the original function
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unsafe {
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let mut data = std::ptr::null_mut();
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intermediate_resource.Map(0, None, Some(&mut data))?;
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for i in 0..num_subresources as usize {
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let dest_data = D3D12_MEMCPY_DEST {
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pData: data.offset(layouts[i].Offset as isize)
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as *mut std::ffi::c_void,
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RowPitch: layouts[i].Footprint.RowPitch as usize,
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SlicePitch: ((layouts[i].Footprint.RowPitch)
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* num_rows[i]) as usize,
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};
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memcpy_subresource(
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&dest_data,
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&source_data[i],
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row_sizes_in_bytes[i],
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num_rows[i],
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layouts[i].Footprint.Depth,
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);
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}
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intermediate_resource.Unmap(0, None);
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}
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unsafe {
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let destination_desc = destination_resource.GetDesc();
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if destination_desc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER {
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cmd.CopyBufferRegion(
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destination_resource,
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0,
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intermediate_resource,
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layouts[0].Offset,
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layouts[0].Footprint.Width as u64,
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);
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} else {
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for i in 0..num_subresources as usize {
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let dest_location = D3D12_TEXTURE_COPY_LOCATION {
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pResource: windows::core::ManuallyDrop::new(destination_resource),
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Type: D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX,
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Anonymous: D3D12_TEXTURE_COPY_LOCATION_0 {
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SubresourceIndex: i as u32 + first_subresouce
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},
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};
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let source_location = D3D12_TEXTURE_COPY_LOCATION {
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pResource: windows::core::ManuallyDrop::new(intermediate_resource),
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Type: D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT,
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Anonymous: D3D12_TEXTURE_COPY_LOCATION_0 {
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PlacedFootprint: layouts[i]
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},
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};
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cmd.CopyTextureRegion(
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&dest_location,
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0,
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0,
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0,
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&source_location,
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None,
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);
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}
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}
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Ok(required_size)
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}
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}
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// this function should not leak to the public API, so
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// there is no point in using struct wrappers
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unsafe fn memcpy_subresource(
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dest: &D3D12_MEMCPY_DEST,
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src: &D3D12_SUBRESOURCE_DATA,
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row_sizes_in_bytes: u64,
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num_rows: u32,
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num_slices: u32,
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) {
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for z in 0..num_slices as usize {
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let dest_slice =
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dest.pData.offset((dest.SlicePitch * z) as isize);
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let src_slice = src.pData.offset((src.SlicePitch * z as isize) as isize);
|
|
|
|
|
|
|
|
for y in 0..num_rows as usize {
|
|
|
|
std::ptr::copy_nonoverlapping(
|
|
|
|
src_slice.offset((src.RowPitch * y as isize) as isize),
|
|
|
|
dest_slice.offset((dest.RowPitch * y) as isize),
|
|
|
|
row_sizes_in_bytes as usize,
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|