Merge pull request #35 from gfx-rs/root-const

Setting root constants

src/command_list.rs

@@ -335,6 +335,17 @@ impl GraphicsCommandList {
         }
     }
 
+    pub fn set_compute_root_constant(
+        &self,
+        root_index: RootIndex,
+        value: u32,
+        dest_offset_words: u32,
+    ) {
+        unsafe {
+            self.SetComputeRoot32BitConstant(root_index, value, dest_offset_words);
+        }
+    }
+
     pub fn set_graphics_root_descriptor_table(
         &self,
         root_index: RootIndex,
@@ -375,6 +386,17 @@ impl GraphicsCommandList {
         }
     }
 
+    pub fn set_graphics_root_constant(
+        &self,
+        root_index: RootIndex,
+        value: u32,
+        dest_offset_words: u32,
+    ) {
+        unsafe {
+            self.SetGraphicsRoot32BitConstant(root_index, value, dest_offset_words);
+        }
+    }
+
     pub fn resource_barrier(&self, barriers: &[ResourceBarrier]) {
         unsafe {
             self.ResourceBarrier(barriers.len() as _, barriers.as_ptr() as _) // matches representation

src/descriptor.rs

@@ -120,7 +120,8 @@ impl RootParameter {
         RootParameter(param)
     }
 
-    fn descriptor(
+    //TODO: should this be unsafe?
+    pub fn descriptor(
         ty: d3d12::D3D12_ROOT_PARAMETER_TYPE,
         visibility: ShaderVisibility,
         binding: Binding,