1 files changed, 248 insertions, 0 deletions
diff --git a/third_party/rust/metal/src/vertexdescriptor.rs b/third_party/rust/metal/src/vertexdescriptor.rs
new file mode 100644
index 0000000000..201e1e30ad
--- /dev/null
+++ b/third_party/rust/metal/src/vertexdescriptor.rs
@@ -0,0 +1,248 @@
+// Copyright 2016 GFX developers
+//
+// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
+// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
+// http://opensource.org/licenses/MIT>, at your option. This file may not be
+// copied, modified, or distributed except according to those terms.
+
+use super::NSUInteger;
+
+#[repr(u64)]
+#[allow(non_camel_case_types)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
+pub enum MTLVertexFormat {
+    Invalid = 0,
+    UChar2 = 1,
+    UChar3 = 2,
+    UChar4 = 3,
+    Char2 = 4,
+    Char3 = 5,
+    Char4 = 6,
+    UChar2Normalized = 7,
+    UChar3Normalized = 8,
+    UChar4Normalized = 9,
+    Char2Normalized = 10,
+    Char3Normalized = 11,
+    Char4Normalized = 12,
+    UShort2 = 13,
+    UShort3 = 14,
+    UShort4 = 15,
+    Short2 = 16,
+    Short3 = 17,
+    Short4 = 18,
+    UShort2Normalized = 19,
+    UShort3Normalized = 20,
+    UShort4Normalized = 21,
+    Short2Normalized = 22,
+    Short3Normalized = 23,
+    Short4Normalized = 24,
+    Half2 = 25,
+    Half3 = 26,
+    Half4 = 27,
+    Float = 28,
+    Float2 = 29,
+    Float3 = 30,
+    Float4 = 31,
+    Int = 32,
+    Int2 = 33,
+    Int3 = 34,
+    Int4 = 35,
+    UInt = 36,
+    UInt2 = 37,
+    UInt3 = 38,
+    UInt4 = 39,
+    Int1010102Normalized = 40,
+    UInt1010102Normalized = 41,
+    UChar4Normalized_BGRA = 42,
+    UChar = 45,
+    Char = 46,
+    UCharNormalized = 47,
+    CharNormalized = 48,
+    UShort = 49,
+    Short = 50,
+    UShortNormalized = 51,
+    ShortNormalized = 52,
+    Half = 53,
+}
+
+#[repr(u64)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
+pub enum MTLVertexStepFunction {
+    Constant = 0,
+    PerVertex = 1,
+    PerInstance = 2,
+    PerPatch = 3,
+    PerPatchControlPoint = 4,
+}
+
+pub enum MTLVertexBufferLayoutDescriptor {}
+
+foreign_obj_type! {
+    type CType = MTLVertexBufferLayoutDescriptor;
+    pub struct VertexBufferLayoutDescriptor;
+    pub struct VertexBufferLayoutDescriptorRef;
+}
+
+impl VertexBufferLayoutDescriptor {
+    pub fn new() -> Self {
+        unsafe {
+            let class = class!(MTLVertexBufferLayoutDescriptor);
+            msg_send![class, new]
+        }
+    }
+}
+
+impl VertexBufferLayoutDescriptorRef {
+    pub fn stride(&self) -> NSUInteger {
+        unsafe { msg_send![self, stride] }
+    }
+
+    pub fn set_stride(&self, stride: NSUInteger) {
+        unsafe { msg_send![self, setStride: stride] }
+    }
+
+    pub fn step_function(&self) -> MTLVertexStepFunction {
+        unsafe { msg_send![self, stepFunction] }
+    }
+
+    pub fn set_step_function(&self, func: MTLVertexStepFunction) {
+        unsafe { msg_send![self, setStepFunction: func] }
+    }
+
+    pub fn step_rate(&self) -> NSUInteger {
+        unsafe { msg_send![self, stepRate] }
+    }
+
+    pub fn set_step_rate(&self, step_rate: NSUInteger) {
+        unsafe { msg_send![self, setStepRate: step_rate] }
+    }
+}
+
+pub enum MTLVertexBufferLayoutDescriptorArray {}
+
+foreign_obj_type! {
+    type CType = MTLVertexBufferLayoutDescriptorArray;
+    pub struct VertexBufferLayoutDescriptorArray;
+    pub struct VertexBufferLayoutDescriptorArrayRef;
+}
+
+impl VertexBufferLayoutDescriptorArrayRef {
+    pub fn object_at(&self, index: NSUInteger) -> Option<&VertexBufferLayoutDescriptorRef> {
+        unsafe { msg_send![self, objectAtIndexedSubscript: index] }
+    }
+
+    pub fn set_object_at(
+        &self,
+        index: NSUInteger,
+        layout: Option<&VertexBufferLayoutDescriptorRef>,
+    ) {
+        unsafe {
+            msg_send![self, setObject:layout
+                   atIndexedSubscript:index]
+        }
+    }
+}
+
+pub enum MTLVertexAttributeDescriptor {}
+
+foreign_obj_type! {
+    type CType = MTLVertexAttributeDescriptor;
+    pub struct VertexAttributeDescriptor;
+    pub struct VertexAttributeDescriptorRef;
+}
+
+impl VertexAttributeDescriptor {
+    pub fn new() -> Self {
+        unsafe {
+            let class = class!(MTLVertexAttributeDescriptor);
+            msg_send![class, new]
+        }
+    }
+}
+
+impl VertexAttributeDescriptorRef {
+    pub fn format(&self) -> MTLVertexFormat {
+        unsafe { msg_send![self, format] }
+    }
+
+    pub fn set_format(&self, format: MTLVertexFormat) {
+        unsafe { msg_send![self, setFormat: format] }
+    }
+
+    pub fn offset(&self) -> NSUInteger {
+        unsafe { msg_send![self, offset] }
+    }
+
+    pub fn set_offset(&self, offset: NSUInteger) {
+        unsafe { msg_send![self, setOffset: offset] }
+    }
+
+    pub fn buffer_index(&self) -> NSUInteger {
+        unsafe { msg_send![self, bufferIndex] }
+    }
+
+    pub fn set_buffer_index(&self, index: NSUInteger) {
+        unsafe { msg_send![self, setBufferIndex: index] }
+    }
+}
+
+pub enum MTLVertexAttributeDescriptorArray {}
+
+foreign_obj_type! {
+    type CType = MTLVertexAttributeDescriptorArray;
+    pub struct VertexAttributeDescriptorArray;
+    pub struct VertexAttributeDescriptorArrayRef;
+}
+
+impl VertexAttributeDescriptorArrayRef {
+    pub fn object_at(&self, index: NSUInteger) -> Option<&VertexAttributeDescriptorRef> {
+        unsafe { msg_send![self, objectAtIndexedSubscript: index] }
+    }
+
+    pub fn set_object_at(
+        &self,
+        index: NSUInteger,
+        attribute: Option<&VertexAttributeDescriptorRef>,
+    ) {
+        unsafe {
+            msg_send![self, setObject:attribute
+                   atIndexedSubscript:index]
+        }
+    }
+}
+
+pub enum MTLVertexDescriptor {}
+
+foreign_obj_type! {
+    type CType = MTLVertexDescriptor;
+    pub struct VertexDescriptor;
+    pub struct VertexDescriptorRef;
+}
+
+impl VertexDescriptor {
+    pub fn new<'a>() -> &'a VertexDescriptorRef {
+        unsafe {
+            let class = class!(MTLVertexDescriptor);
+            msg_send![class, vertexDescriptor]
+        }
+    }
+}
+
+impl VertexDescriptorRef {
+    pub fn layouts(&self) -> &VertexBufferLayoutDescriptorArrayRef {
+        unsafe { msg_send![self, layouts] }
+    }
+
+    pub fn attributes(&self) -> &VertexAttributeDescriptorArrayRef {
+        unsafe { msg_send![self, attributes] }
+    }
+
+    #[cfg(feature = "private")]
+    pub unsafe fn serialize_descriptor(&self) -> *mut std::ffi::c_void {
+        msg_send![self, newSerializedDescriptor]
+    }
+
+    pub fn reset(&self) {
+        unsafe { msg_send![self, reset] }
+    }
+}