Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 383 insertions, 0 deletions

diff --git a/third_party/rust/wgpu-hal/src/dx12/view.rs b/third_party/rust/wgpu-hal/src/dx12/view.rs
new file mode 100644
index 0000000000..39d9707312
--- /dev/null
+++ b/third_party/rust/wgpu-hal/src/dx12/view.rs
@@ -0,0 +1,383 @@
+use crate::auxil;
+use std::mem;
+use winapi::um::d3d12;
+
+pub(crate) const D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING: u32 = 0x1688;
+
+pub(super) struct ViewDescriptor {
+    dimension: wgt::TextureViewDimension,
+    pub format: native::Format,
+    format_nodepth: native::Format,
+    multisampled: bool,
+    array_layer_base: u32,
+    array_layer_count: u32,
+    mip_level_base: u32,
+    mip_level_count: u32,
+}
+
+impl crate::TextureViewDescriptor<'_> {
+    pub(super) fn to_internal(&self, texture: &super::Texture) -> ViewDescriptor {
+        ViewDescriptor {
+            dimension: self.dimension,
+            format: auxil::dxgi::conv::map_texture_format(self.format),
+            format_nodepth: auxil::dxgi::conv::map_texture_format_nodepth(self.format),
+            multisampled: texture.sample_count > 1,
+            mip_level_base: self.range.base_mip_level,
+            mip_level_count: match self.range.mip_level_count {
+                Some(count) => count.get(),
+                None => !0,
+            },
+            array_layer_base: self.range.base_array_layer,
+            array_layer_count: match self.range.array_layer_count {
+                Some(count) => count.get(),
+                None => !0,
+            },
+        }
+    }
+}
+
+impl ViewDescriptor {
+    pub(crate) unsafe fn to_srv(&self) -> d3d12::D3D12_SHADER_RESOURCE_VIEW_DESC {
+        let mut desc = d3d12::D3D12_SHADER_RESOURCE_VIEW_DESC {
+            Format: self.format_nodepth,
+            ViewDimension: 0,
+            Shader4ComponentMapping: D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING,
+            u: unsafe { mem::zeroed() },
+        };
+
+        match self.dimension {
+            wgt::TextureViewDimension::D1 => {
+                desc.ViewDimension = d3d12::D3D12_SRV_DIMENSION_TEXTURE1D;
+                unsafe {
+                    *desc.u.Texture1D_mut() = d3d12::D3D12_TEX1D_SRV {
+                        MostDetailedMip: self.mip_level_base,
+                        MipLevels: self.mip_level_count,
+                        ResourceMinLODClamp: 0.0,
+                    }
+                }
+            }
+            /*
+            wgt::TextureViewDimension::D1Array => {
+                desc.ViewDimension = d3d12::D3D12_SRV_DIMENSION_TEXTURE1DARRAY;
+                *desc.u.Texture1DArray_mut() = d3d12::D3D12_TEX1D_ARRAY_SRV {
+                    MostDetailedMip: self.mip_level_base,
+                    MipLevels: self.mip_level_count,
+                    FirstArraySlice: self.array_layer_base,
+                    ArraySize: self.array_layer_count,
+                    ResourceMinLODClamp: 0.0,
+                }
+            }*/
+            wgt::TextureViewDimension::D2 if self.multisampled && self.array_layer_base == 0 => {
+                desc.ViewDimension = d3d12::D3D12_SRV_DIMENSION_TEXTURE2DMS;
+                unsafe {
+                    *desc.u.Texture2DMS_mut() = d3d12::D3D12_TEX2DMS_SRV {
+                        UnusedField_NothingToDefine: 0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D2 if self.array_layer_base == 0 => {
+                desc.ViewDimension = d3d12::D3D12_SRV_DIMENSION_TEXTURE2D;
+                unsafe {
+                    *desc.u.Texture2D_mut() = d3d12::D3D12_TEX2D_SRV {
+                        MostDetailedMip: self.mip_level_base,
+                        MipLevels: self.mip_level_count,
+                        PlaneSlice: 0,
+                        ResourceMinLODClamp: 0.0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D2 | wgt::TextureViewDimension::D2Array
+                if self.multisampled =>
+            {
+                desc.ViewDimension = d3d12::D3D12_SRV_DIMENSION_TEXTURE2DMSARRAY;
+                unsafe {
+                    *desc.u.Texture2DMSArray_mut() = d3d12::D3D12_TEX2DMS_ARRAY_SRV {
+                        FirstArraySlice: self.array_layer_base,
+                        ArraySize: self.array_layer_count,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D2 | wgt::TextureViewDimension::D2Array => {
+                desc.ViewDimension = d3d12::D3D12_SRV_DIMENSION_TEXTURE2DARRAY;
+                unsafe {
+                    *desc.u.Texture2DArray_mut() = d3d12::D3D12_TEX2D_ARRAY_SRV {
+                        MostDetailedMip: self.mip_level_base,
+                        MipLevels: self.mip_level_count,
+                        FirstArraySlice: self.array_layer_base,
+                        ArraySize: self.array_layer_count,
+                        PlaneSlice: 0,
+                        ResourceMinLODClamp: 0.0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D3 => {
+                desc.ViewDimension = d3d12::D3D12_SRV_DIMENSION_TEXTURE3D;
+                unsafe {
+                    *desc.u.Texture3D_mut() = d3d12::D3D12_TEX3D_SRV {
+                        MostDetailedMip: self.mip_level_base,
+                        MipLevels: self.mip_level_count,
+                        ResourceMinLODClamp: 0.0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::Cube if self.array_layer_base == 0 => {
+                desc.ViewDimension = d3d12::D3D12_SRV_DIMENSION_TEXTURECUBE;
+                unsafe {
+                    *desc.u.TextureCube_mut() = d3d12::D3D12_TEXCUBE_SRV {
+                        MostDetailedMip: self.mip_level_base,
+                        MipLevels: self.mip_level_count,
+                        ResourceMinLODClamp: 0.0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::Cube | wgt::TextureViewDimension::CubeArray => {
+                desc.ViewDimension = d3d12::D3D12_SRV_DIMENSION_TEXTURECUBEARRAY;
+                unsafe {
+                    *desc.u.TextureCubeArray_mut() = d3d12::D3D12_TEXCUBE_ARRAY_SRV {
+                        MostDetailedMip: self.mip_level_base,
+                        MipLevels: self.mip_level_count,
+                        First2DArrayFace: self.array_layer_base,
+                        NumCubes: if self.array_layer_count == !0 {
+                            !0
+                        } else {
+                            self.array_layer_count / 6
+                        },
+                        ResourceMinLODClamp: 0.0,
+                    }
+                }
+            }
+        }
+
+        desc
+    }
+
+    pub(crate) unsafe fn to_uav(&self) -> d3d12::D3D12_UNORDERED_ACCESS_VIEW_DESC {
+        let mut desc = d3d12::D3D12_UNORDERED_ACCESS_VIEW_DESC {
+            Format: self.format_nodepth,
+            ViewDimension: 0,
+            u: unsafe { mem::zeroed() },
+        };
+
+        match self.dimension {
+            wgt::TextureViewDimension::D1 => {
+                desc.ViewDimension = d3d12::D3D12_UAV_DIMENSION_TEXTURE1D;
+                unsafe {
+                    *desc.u.Texture1D_mut() = d3d12::D3D12_TEX1D_UAV {
+                        MipSlice: self.mip_level_base,
+                    }
+                }
+            }
+            /*
+            wgt::TextureViewDimension::D1Array => {
+                desc.ViewDimension = d3d12::D3D12_UAV_DIMENSION_TEXTURE1DARRAY;
+                *desc.u.Texture1DArray_mut() = d3d12::D3D12_TEX1D_ARRAY_UAV {
+                    MipSlice: self.mip_level_base,
+                    FirstArraySlice: self.array_layer_base,
+                    ArraySize,
+                }
+            }*/
+            wgt::TextureViewDimension::D2 if self.array_layer_base == 0 => {
+                desc.ViewDimension = d3d12::D3D12_UAV_DIMENSION_TEXTURE2D;
+                unsafe {
+                    *desc.u.Texture2D_mut() = d3d12::D3D12_TEX2D_UAV {
+                        MipSlice: self.mip_level_base,
+                        PlaneSlice: 0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D2 | wgt::TextureViewDimension::D2Array => {
+                desc.ViewDimension = d3d12::D3D12_UAV_DIMENSION_TEXTURE2DARRAY;
+                unsafe {
+                    *desc.u.Texture2DArray_mut() = d3d12::D3D12_TEX2D_ARRAY_UAV {
+                        MipSlice: self.mip_level_base,
+                        FirstArraySlice: self.array_layer_base,
+                        ArraySize: self.array_layer_count,
+                        PlaneSlice: 0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D3 => {
+                desc.ViewDimension = d3d12::D3D12_UAV_DIMENSION_TEXTURE3D;
+                unsafe {
+                    *desc.u.Texture3D_mut() = d3d12::D3D12_TEX3D_UAV {
+                        MipSlice: self.mip_level_base,
+                        FirstWSlice: self.array_layer_base,
+                        WSize: self.array_layer_count,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::Cube | wgt::TextureViewDimension::CubeArray => {
+                panic!("Unable to view texture as cube UAV")
+            }
+        }
+
+        desc
+    }
+
+    pub(crate) unsafe fn to_rtv(&self) -> d3d12::D3D12_RENDER_TARGET_VIEW_DESC {
+        let mut desc = d3d12::D3D12_RENDER_TARGET_VIEW_DESC {
+            Format: self.format,
+            ViewDimension: 0,
+            u: unsafe { mem::zeroed() },
+        };
+
+        match self.dimension {
+            wgt::TextureViewDimension::D1 => {
+                desc.ViewDimension = d3d12::D3D12_RTV_DIMENSION_TEXTURE1D;
+                unsafe {
+                    *desc.u.Texture1D_mut() = d3d12::D3D12_TEX1D_RTV {
+                        MipSlice: self.mip_level_base,
+                    }
+                }
+            }
+            /*
+            wgt::TextureViewDimension::D1Array => {
+                desc.ViewDimension = d3d12::D3D12_RTV_DIMENSION_TEXTURE1DARRAY;
+                *desc.u.Texture1DArray_mut() = d3d12::D3D12_TEX1D_ARRAY_RTV {
+                    MipSlice: self.mip_level_base,
+                    FirstArraySlice: self.array_layer_base,
+                    ArraySize,
+                }
+            }*/
+            wgt::TextureViewDimension::D2 if self.multisampled && self.array_layer_base == 0 => {
+                desc.ViewDimension = d3d12::D3D12_RTV_DIMENSION_TEXTURE2DMS;
+                unsafe {
+                    *desc.u.Texture2DMS_mut() = d3d12::D3D12_TEX2DMS_RTV {
+                        UnusedField_NothingToDefine: 0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D2 if self.array_layer_base == 0 => {
+                desc.ViewDimension = d3d12::D3D12_RTV_DIMENSION_TEXTURE2D;
+                unsafe {
+                    *desc.u.Texture2D_mut() = d3d12::D3D12_TEX2D_RTV {
+                        MipSlice: self.mip_level_base,
+                        PlaneSlice: 0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D2 | wgt::TextureViewDimension::D2Array
+                if self.multisampled =>
+            {
+                desc.ViewDimension = d3d12::D3D12_RTV_DIMENSION_TEXTURE2DMSARRAY;
+                unsafe {
+                    *desc.u.Texture2DMSArray_mut() = d3d12::D3D12_TEX2DMS_ARRAY_RTV {
+                        FirstArraySlice: self.array_layer_base,
+                        ArraySize: self.array_layer_count,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D2 | wgt::TextureViewDimension::D2Array => {
+                desc.ViewDimension = d3d12::D3D12_RTV_DIMENSION_TEXTURE2DARRAY;
+                unsafe {
+                    *desc.u.Texture2DArray_mut() = d3d12::D3D12_TEX2D_ARRAY_RTV {
+                        MipSlice: self.mip_level_base,
+                        FirstArraySlice: self.array_layer_base,
+                        ArraySize: self.array_layer_count,
+                        PlaneSlice: 0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D3 => {
+                desc.ViewDimension = d3d12::D3D12_RTV_DIMENSION_TEXTURE3D;
+                unsafe {
+                    *desc.u.Texture3D_mut() = d3d12::D3D12_TEX3D_RTV {
+                        MipSlice: self.mip_level_base,
+                        FirstWSlice: self.array_layer_base,
+                        WSize: self.array_layer_count,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::Cube | wgt::TextureViewDimension::CubeArray => {
+                panic!("Unable to view texture as cube RTV")
+            }
+        }
+
+        desc
+    }
+
+    pub(crate) unsafe fn to_dsv(
+        &self,
+        ro_aspects: crate::FormatAspects,
+    ) -> d3d12::D3D12_DEPTH_STENCIL_VIEW_DESC {
+        let mut desc = d3d12::D3D12_DEPTH_STENCIL_VIEW_DESC {
+            Format: self.format,
+            ViewDimension: 0,
+            Flags: {
+                let mut flags = d3d12::D3D12_DSV_FLAG_NONE;
+                if ro_aspects.contains(crate::FormatAspects::DEPTH) {
+                    flags |= d3d12::D3D12_DSV_FLAG_READ_ONLY_DEPTH;
+                }
+                if ro_aspects.contains(crate::FormatAspects::STENCIL) {
+                    flags |= d3d12::D3D12_DSV_FLAG_READ_ONLY_STENCIL;
+                }
+                flags
+            },
+            u: unsafe { mem::zeroed() },
+        };
+
+        match self.dimension {
+            wgt::TextureViewDimension::D1 => {
+                desc.ViewDimension = d3d12::D3D12_DSV_DIMENSION_TEXTURE1D;
+                unsafe {
+                    *desc.u.Texture1D_mut() = d3d12::D3D12_TEX1D_DSV {
+                        MipSlice: self.mip_level_base,
+                    }
+                }
+            }
+            /*
+            wgt::TextureViewDimension::D1Array => {
+                desc.ViewDimension = d3d12::D3D12_DSV_DIMENSION_TEXTURE1DARRAY;
+                *desc.u.Texture1DArray_mut() = d3d12::D3D12_TEX1D_ARRAY_DSV {
+                    MipSlice: self.mip_level_base,
+                    FirstArraySlice: self.array_layer_base,
+                    ArraySize,
+                }
+            }*/
+            wgt::TextureViewDimension::D2 if self.multisampled && self.array_layer_base == 0 => {
+                desc.ViewDimension = d3d12::D3D12_DSV_DIMENSION_TEXTURE2DMS;
+                unsafe {
+                    *desc.u.Texture2DMS_mut() = d3d12::D3D12_TEX2DMS_DSV {
+                        UnusedField_NothingToDefine: 0,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D2 if self.array_layer_base == 0 => {
+                desc.ViewDimension = d3d12::D3D12_DSV_DIMENSION_TEXTURE2D;
+                unsafe {
+                    *desc.u.Texture2D_mut() = d3d12::D3D12_TEX2D_DSV {
+                        MipSlice: self.mip_level_base,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D2 | wgt::TextureViewDimension::D2Array
+                if self.multisampled =>
+            {
+                desc.ViewDimension = d3d12::D3D12_DSV_DIMENSION_TEXTURE2DMSARRAY;
+                unsafe {
+                    *desc.u.Texture2DMSArray_mut() = d3d12::D3D12_TEX2DMS_ARRAY_DSV {
+                        FirstArraySlice: self.array_layer_base,
+                        ArraySize: self.array_layer_count,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D2 | wgt::TextureViewDimension::D2Array => {
+                desc.ViewDimension = d3d12::D3D12_DSV_DIMENSION_TEXTURE2DARRAY;
+                unsafe {
+                    *desc.u.Texture2DArray_mut() = d3d12::D3D12_TEX2D_ARRAY_DSV {
+                        MipSlice: self.mip_level_base,
+                        FirstArraySlice: self.array_layer_base,
+                        ArraySize: self.array_layer_count,
+                    }
+                }
+            }
+            wgt::TextureViewDimension::D3
+            | wgt::TextureViewDimension::Cube
+            | wgt::TextureViewDimension::CubeArray => {
+                panic!("Unable to view texture as cube or 3D RTV")
+            }
+        }
+
+        desc
+    }
+}