Add debug interface, factory creation and adapter enumeration

Cargo.toml

@@ -1,8 +1,8 @@
 [package]
-name = "d3d12-rs"
+name = "d3d12"
 version = "0.1.0"
 authors = ["msiglreith <m.siglreith@gmail.com>"]
 
 [dependencies]
 bitflags = "1"
-winapi = { version = "0.3", features = ["d3d12","d3dcommon","d3dcompiler","dxgiformat","winerror"] }
+winapi = { version = "0.3", features = ["dxgi1_3","dxgi1_4","d3d12","d3d12sdklayers","d3dcommon","d3dcompiler","dxgiformat","winerror"] }

src/debug.rs

@@ -0,0 +1,21 @@
+use com::WeakPtr;
+use winapi::um::{d3d12, d3d12sdklayers};
+use winapi::Interface;
+use D3DResult;
+
+pub type Debug = WeakPtr<d3d12sdklayers::ID3D12Debug>;
+
+impl Debug {
+    pub fn get_debug_interface() -> D3DResult<Self> {
+        let mut debug = Debug::null();
+        let hr = unsafe {
+            d3d12::D3D12GetDebugInterface(&d3d12sdklayers::ID3D12Debug::uuidof(), debug.mut_void())
+        };
+
+        (debug, hr)
+    }
+
+    pub fn enable_debug_layer(&self) {
+        unsafe { self.EnableDebugLayer() }
+    }
+}

src/dxgi.rs

@@ -0,0 +1,35 @@
+use com::WeakPtr;
+use winapi::shared::{dxgi, dxgi1_3, dxgi1_4};
+use winapi::Interface;
+use D3DResult;
+
+bitflags! {
+    pub struct FactoryCreationFlags: u32 {
+        const DEBUG = dxgi1_3::DXGI_CREATE_FACTORY_DEBUG;
+    }
+}
+
+pub type Adapter1 = WeakPtr<dxgi::IDXGIAdapter1>;
+pub type Factory4 = WeakPtr<dxgi1_4::IDXGIFactory4>;
+
+impl Factory4 {
+    pub fn create(flags: FactoryCreationFlags) -> D3DResult<Self> {
+        let mut factory = Factory4::null();
+        let hr = unsafe {
+            dxgi1_3::CreateDXGIFactory2(
+                flags.bits(),
+                &dxgi1_4::IDXGIFactory4::uuidof(),
+                factory.mut_void(),
+            )
+        };
+
+        (factory, hr)
+    }
+
+    pub fn enumerate_adapters(&self, id: u32) -> D3DResult<Adapter1> {
+        let mut adapter = Adapter1::null();
+        let hr = unsafe { self.EnumAdapters1(id, adapter.mut_void() as *mut *mut _) };
+
+        (adapter, hr)
+    }
+}

src/lib.rs

@@ -9,8 +9,10 @@ use winapi::um::{d3d12, d3dcommon};
 mod com;
 pub mod command_allocator;
 pub mod command_list;
+pub mod debug;
 pub mod descriptor;
 pub mod device;
+pub mod dxgi;
 pub mod pso;
 pub mod query;
 pub mod queue;
@@ -20,6 +22,7 @@ pub mod sync;
 pub use self::com::WeakPtr;
 pub use self::command_allocator::CommandAllocator;
 pub use self::command_list::{CommandSignature, GraphicsCommandList};
+pub use self::debug::Debug;
 pub use self::descriptor::{CpuDescriptor, DescriptorHeap, GpuDescriptor, RootSignature};
 pub use self::device::Device;
 pub use self::pso::{CachedPSO, PipelineState, Shader};