Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 169 insertions, 0 deletions

diff --git a/third_party/rust/d3d12/src/pso.rs b/third_party/rust/d3d12/src/pso.rs
new file mode 100644
index 0000000000..e7dbc0a34b
--- /dev/null
+++ b/third_party/rust/d3d12/src/pso.rs
@@ -0,0 +1,169 @@
+//! Pipeline state
+
+use crate::{com::WeakPtr, Blob, D3DResult, Error};
+use std::{ffi, ops::Deref, ptr};
+use winapi::um::{d3d12, d3dcompiler};
+
+bitflags! {
+    pub struct PipelineStateFlags: u32 {
+        const TOOL_DEBUG = d3d12::D3D12_PIPELINE_STATE_FLAG_TOOL_DEBUG;
+    }
+}
+
+bitflags! {
+    pub struct ShaderCompileFlags: u32 {
+        const DEBUG = d3dcompiler::D3DCOMPILE_DEBUG;
+        const SKIP_VALIDATION = d3dcompiler::D3DCOMPILE_SKIP_VALIDATION;
+        const SKIP_OPTIMIZATION = d3dcompiler::D3DCOMPILE_SKIP_OPTIMIZATION;
+        const PACK_MATRIX_ROW_MAJOR = d3dcompiler::D3DCOMPILE_PACK_MATRIX_ROW_MAJOR;
+        const PACK_MATRIX_COLUMN_MAJOR = d3dcompiler::D3DCOMPILE_PACK_MATRIX_COLUMN_MAJOR;
+        const PARTIAL_PRECISION = d3dcompiler::D3DCOMPILE_PARTIAL_PRECISION;
+        // TODO: add missing flags
+    }
+}
+
+#[derive(Copy, Clone)]
+pub struct Shader(d3d12::D3D12_SHADER_BYTECODE);
+impl Shader {
+    pub fn null() -> Self {
+        Shader(d3d12::D3D12_SHADER_BYTECODE {
+            BytecodeLength: 0,
+            pShaderBytecode: ptr::null(),
+        })
+    }
+
+    pub fn from_raw(data: &[u8]) -> Self {
+        Shader(d3d12::D3D12_SHADER_BYTECODE {
+            BytecodeLength: data.len() as _,
+            pShaderBytecode: data.as_ptr() as _,
+        })
+    }
+
+    // `blob` may not be null.
+    pub fn from_blob(blob: Blob) -> Self {
+        Shader(d3d12::D3D12_SHADER_BYTECODE {
+            BytecodeLength: unsafe { blob.GetBufferSize() },
+            pShaderBytecode: unsafe { blob.GetBufferPointer() },
+        })
+    }
+
+    /// Compile a shader from raw HLSL.
+    ///
+    /// * `target`: example format: `ps_5_1`.
+    pub fn compile(
+        code: &[u8],
+        target: &ffi::CStr,
+        entry: &ffi::CStr,
+        flags: ShaderCompileFlags,
+    ) -> D3DResult<(Blob, Error)> {
+        let mut shader = Blob::null();
+        let mut error = Error::null();
+
+        let hr = unsafe {
+            d3dcompiler::D3DCompile(
+                code.as_ptr() as *const _,
+                code.len(),
+                ptr::null(), // defines
+                ptr::null(), // include
+                ptr::null_mut(),
+                entry.as_ptr() as *const _,
+                target.as_ptr() as *const _,
+                flags.bits(),
+                0,
+                shader.mut_void() as *mut *mut _,
+                error.mut_void() as *mut *mut _,
+            )
+        };
+
+        ((shader, error), hr)
+    }
+}
+
+impl Deref for Shader {
+    type Target = d3d12::D3D12_SHADER_BYTECODE;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl From<Option<Blob>> for Shader {
+    fn from(blob: Option<Blob>) -> Self {
+        match blob {
+            Some(b) => Shader::from_blob(b),
+            None => Shader::null(),
+        }
+    }
+}
+
+#[derive(Copy, Clone)]
+pub struct CachedPSO(d3d12::D3D12_CACHED_PIPELINE_STATE);
+impl CachedPSO {
+    pub fn null() -> Self {
+        CachedPSO(d3d12::D3D12_CACHED_PIPELINE_STATE {
+            CachedBlobSizeInBytes: 0,
+            pCachedBlob: ptr::null(),
+        })
+    }
+
+    // `blob` may not be null.
+    pub fn from_blob(blob: Blob) -> Self {
+        CachedPSO(d3d12::D3D12_CACHED_PIPELINE_STATE {
+            CachedBlobSizeInBytes: unsafe { blob.GetBufferSize() },
+            pCachedBlob: unsafe { blob.GetBufferPointer() },
+        })
+    }
+}
+
+impl Deref for CachedPSO {
+    type Target = d3d12::D3D12_CACHED_PIPELINE_STATE;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+pub type PipelineState = WeakPtr<d3d12::ID3D12PipelineState>;
+
+#[repr(u32)]
+pub enum Subobject {
+    RootSignature = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_ROOT_SIGNATURE,
+    VS = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_VS,
+    PS = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_PS,
+    DS = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DS,
+    HS = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_HS,
+    GS = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_GS,
+    CS = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_CS,
+    StreamOutput = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_STREAM_OUTPUT,
+    Blend = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_BLEND,
+    SampleMask = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_SAMPLE_MASK,
+    Rasterizer = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_RASTERIZER,
+    DepthStencil = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL,
+    InputLayout = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_INPUT_LAYOUT,
+    IBStripCut = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_IB_STRIP_CUT_VALUE,
+    PrimitiveTopology = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_PRIMITIVE_TOPOLOGY,
+    RTFormats = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_RENDER_TARGET_FORMATS,
+    DSFormat = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL_FORMAT,
+    SampleDesc = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_SAMPLE_DESC,
+    NodeMask = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_NODE_MASK,
+    CachedPSO = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_CACHED_PSO,
+    Flags = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_FLAGS,
+    DepthStencil1 = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL1,
+    // ViewInstancing = d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_VIEW_INSTANCING,
+}
+
+/// Subobject of a pipeline stream description
+#[repr(C)]
+pub struct PipelineStateSubobject<T> {
+    subobject_align: [usize; 0], // Subobjects must have the same alignment as pointers.
+    subobject_type: d3d12::D3D12_PIPELINE_STATE_SUBOBJECT_TYPE,
+    subobject: T,
+}
+
+impl<T> PipelineStateSubobject<T> {
+    pub fn new(subobject_type: Subobject, subobject: T) -> Self {
+        PipelineStateSubobject {
+            subobject_align: [],
+            subobject_type: subobject_type as _,
+            subobject,
+        }
+    }
+}