3 files changed, 1068 insertions, 0 deletions
diff --git a/third_party/rust/metal/src/pipeline/compute.rs b/third_party/rust/metal/src/pipeline/compute.rs
new file mode 100644
index 0000000000..138b561cb3
--- /dev/null
+++ b/third_party/rust/metal/src/pipeline/compute.rs
@@ -0,0 +1,488 @@
+// Copyright 2017 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::*;
+
+use objc::runtime::{NO, YES};
+
+#[repr(u64)]
+#[allow(non_camel_case_types)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
+pub enum MTLAttributeFormat {
+    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)]
+#[allow(non_camel_case_types)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
+pub enum MTLStepFunction {
+    Constant = 0,
+    PerInstance = 1,
+    PerPatch = 2,
+    PerPatchControlPoint = 3,
+    PerVertex = 4,
+    ThreadPositionInGridX = 5,
+    ThreadPositionInGridXIndexed = 6,
+    ThreadPositionInGridY = 7,
+    ThreadPositionInGridYIndexed = 8,
+}
+
+pub enum MTLComputePipelineDescriptor {}
+
+foreign_obj_type! {
+    type CType = MTLComputePipelineDescriptor;
+    pub struct ComputePipelineDescriptor;
+    pub struct ComputePipelineDescriptorRef;
+}
+
+impl ComputePipelineDescriptor {
+    pub fn new() -> Self {
+        unsafe {
+            let class = class!(MTLComputePipelineDescriptor);
+            msg_send![class, new]
+        }
+    }
+}
+
+impl ComputePipelineDescriptorRef {
+    pub fn label(&self) -> &str {
+        unsafe {
+            let label = msg_send![self, label];
+            crate::nsstring_as_str(label)
+        }
+    }
+
+    pub fn set_label(&self, label: &str) {
+        unsafe {
+            let nslabel = crate::nsstring_from_str(label);
+            let () = msg_send![self, setLabel: nslabel];
+        }
+    }
+
+    pub fn compute_function(&self) -> Option<&FunctionRef> {
+        unsafe { msg_send![self, computeFunction] }
+    }
+
+    pub fn set_compute_function(&self, function: Option<&FunctionRef>) {
+        unsafe { msg_send![self, setComputeFunction: function] }
+    }
+
+    pub fn thread_group_size_is_multiple_of_thread_execution_width(&self) -> bool {
+        unsafe {
+            match msg_send![self, threadGroupSizeIsMultipleOfThreadExecutionWidth] {
+                YES => true,
+                NO => false,
+                _ => unreachable!(),
+            }
+        }
+    }
+
+    pub fn set_thread_group_size_is_multiple_of_thread_execution_width(
+        &self,
+        size_is_multiple_of_width: bool,
+    ) {
+        unsafe {
+            msg_send![
+                self,
+                setThreadGroupSizeIsMultipleOfThreadExecutionWidth: size_is_multiple_of_width
+            ]
+        }
+    }
+
+    /// API_AVAILABLE(macos(10.14), ios(12.0));
+    pub fn max_total_threads_per_threadgroup(&self) -> NSUInteger {
+        unsafe { msg_send![self, maxTotalThreadsPerThreadgroup] }
+    }
+
+    /// API_AVAILABLE(macos(10.14), ios(12.0));
+    pub fn set_max_total_threads_per_threadgroup(&self, max_total_threads: NSUInteger) {
+        unsafe { msg_send![self, setMaxTotalThreadsPerThreadgroup: max_total_threads] }
+    }
+
+    /// API_AVAILABLE(ios(13.0),macos(11.0));
+    pub fn support_indirect_command_buffers(&self) -> bool {
+        unsafe {
+            match msg_send![self, supportIndirectCommandBuffers] {
+                YES => true,
+                NO => false,
+                _ => unreachable!(),
+            }
+        }
+    }
+
+    /// API_AVAILABLE(ios(13.0),macos(11.0));
+    pub fn set_support_indirect_command_buffers(&self, support: bool) {
+        unsafe { msg_send![self, setSupportIndirectCommandBuffers: support] }
+    }
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    pub fn support_adding_binary_functions(&self) -> bool {
+        unsafe {
+            match msg_send![self, supportAddingBinaryFunctions] {
+                YES => true,
+                NO => false,
+                _ => unreachable!(),
+            }
+        }
+    }
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    pub fn set_support_adding_binary_functions(&self, support: bool) {
+        unsafe { msg_send![self, setSupportAddingBinaryFunctions: support] }
+    }
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    pub fn max_call_stack_depth(&self) -> NSUInteger {
+        unsafe { msg_send![self, maxCallStackDepth] }
+    }
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    pub fn set_max_call_stack_depth(&self, depth: NSUInteger) {
+        unsafe { msg_send![self, setMaxCallStackDepth: depth] }
+    }
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    /// Marshal to Rust Vec
+    pub fn insert_libraries(&self) -> Vec<DynamicLibrary> {
+        unsafe {
+            let libraries: *mut Object = msg_send![self, insertLibraries];
+            let count: NSUInteger = msg_send![libraries, count];
+            let ret = (0..count)
+                .map(|i| {
+                    let lib = msg_send![libraries, objectAtIndex: i];
+                    DynamicLibrary::from_ptr(lib)
+                })
+                .collect();
+            ret
+        }
+    }
+
+    /// Marshal from Rust slice
+    pub fn set_insert_libraries(&self, libraries: &[&DynamicLibraryRef]) {
+        let ns_array = Array::<DynamicLibrary>::from_slice(libraries);
+        unsafe { msg_send![self, setInsertLibraries: ns_array] }
+    }
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    /// Marshal to Rust Vec
+    pub fn binary_archives(&self) -> Vec<BinaryArchive> {
+        unsafe {
+            let archives: *mut Object = msg_send![self, binaryArchives];
+            let count: NSUInteger = msg_send![archives, count];
+            let ret = (0..count)
+                .map(|i| {
+                    let a = msg_send![archives, objectAtIndex: i];
+                    BinaryArchive::from_ptr(a)
+                })
+                .collect();
+            ret
+        }
+    }
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    /// Marshal from Rust slice
+    pub fn set_binary_archives(&self, archives: &[&BinaryArchiveRef]) {
+        let ns_array = Array::<BinaryArchive>::from_slice(archives);
+        unsafe { msg_send![self, setBinaryArchives: ns_array] }
+    }
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    pub fn linked_functions(&self) -> &LinkedFunctionsRef {
+        unsafe { msg_send![self, linkedFunctions] }
+    }
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    pub fn set_linked_functions(&self, functions: &LinkedFunctionsRef) {
+        unsafe { msg_send![self, setLinkedFunctions: functions] }
+    }
+
+    pub fn stage_input_descriptor(&self) -> Option<&StageInputOutputDescriptorRef> {
+        unsafe { msg_send![self, stageInputDescriptor] }
+    }
+
+    pub fn set_stage_input_descriptor(&self, descriptor: Option<&StageInputOutputDescriptorRef>) {
+        unsafe { msg_send![self, setStageInputDescriptor: descriptor] }
+    }
+
+    pub fn buffers(&self) -> Option<&PipelineBufferDescriptorArrayRef> {
+        unsafe { msg_send![self, buffers] }
+    }
+
+    pub fn reset(&self) {
+        unsafe { msg_send![self, reset] }
+    }
+}
+
+pub enum MTLComputePipelineState {}
+
+foreign_obj_type! {
+    type CType = MTLComputePipelineState;
+    pub struct ComputePipelineState;
+    pub struct ComputePipelineStateRef;
+}
+
+impl ComputePipelineStateRef {
+    pub fn label(&self) -> &str {
+        unsafe {
+            let label = msg_send![self, label];
+            crate::nsstring_as_str(label)
+        }
+    }
+
+    pub fn max_total_threads_per_threadgroup(&self) -> NSUInteger {
+        unsafe { msg_send![self, maxTotalThreadsPerThreadgroup] }
+    }
+
+    pub fn thread_execution_width(&self) -> NSUInteger {
+        unsafe { msg_send![self, threadExecutionWidth] }
+    }
+
+    pub fn static_threadgroup_memory_length(&self) -> NSUInteger {
+        unsafe { msg_send![self, staticThreadgroupMemoryLength] }
+    }
+
+    /// Only available on (ios(11.0), macos(11.0), macCatalyst(14.0)) NOT available on (tvos)
+    pub fn imageblock_memory_length_for_dimensions(&self, dimensions: MTLSize) -> NSUInteger {
+        unsafe { msg_send![self, imageblockMemoryLengthForDimensions: dimensions] }
+    }
+
+    /// Only available on (ios(13.0), macos(11.0))
+    pub fn support_indirect_command_buffers(&self) -> bool {
+        unsafe {
+            match msg_send![self, supportIndirectCommandBuffers] {
+                YES => true,
+                NO => false,
+                _ => unreachable!(),
+            }
+        }
+    }
+
+    /// Only available on (macos(11.0), ios(14.0))
+    pub fn function_handle_with_function(
+        &self,
+        function: &FunctionRef,
+    ) -> Option<&FunctionHandleRef> {
+        unsafe { msg_send![self, functionHandleWithFunction: function] }
+    }
+
+    // API_AVAILABLE(macos(11.0), ios(14.0));
+    // TODO: newComputePipelineStateWithAdditionalBinaryFunctions
+    // - (nullable id <MTLComputePipelineState>)newComputePipelineStateWithAdditionalBinaryFunctions:(nonnull NSArray<id<MTLFunction>> *)functions error:(__autoreleasing NSError **)error
+
+    // API_AVAILABLE(macos(11.0), ios(14.0));
+    // TODO: newVisibleFunctionTableWithDescriptor
+    // - (nullable id<MTLVisibleFunctionTable>)newVisibleFunctionTableWithDescriptor:(MTLVisibleFunctionTableDescriptor * __nonnull)descriptor
+    // API_AVAILABLE(macos(11.0), ios(14.0));
+    // TODO: newIntersectionFunctionTableWithDescriptor
+    // - (nullable id <MTLIntersectionFunctionTable>)newIntersectionFunctionTableWithDescriptor:(MTLIntersectionFunctionTableDescriptor * _Nonnull)descriptor
+}
+
+pub enum MTLStageInputOutputDescriptor {}
+
+foreign_obj_type! {
+    type CType = MTLStageInputOutputDescriptor;
+    pub struct StageInputOutputDescriptor;
+    pub struct StageInputOutputDescriptorRef;
+}
+
+impl StageInputOutputDescriptor {
+    pub fn new<'a>() -> &'a StageInputOutputDescriptorRef {
+        unsafe {
+            let class = class!(MTLStageInputOutputDescriptor);
+            msg_send![class, stageInputOutputDescriptor]
+        }
+    }
+}
+
+impl StageInputOutputDescriptorRef {
+    pub fn attributes(&self) -> Option<&AttributeDescriptorArrayRef> {
+        unsafe { msg_send![self, attributes] }
+    }
+
+    pub fn index_buffer_index(&self) -> NSUInteger {
+        unsafe { msg_send![self, indexBufferIndex] }
+    }
+
+    pub fn set_index_buffer_index(&self, idx_buffer_idx: NSUInteger) {
+        unsafe { msg_send![self, setIndexBufferIndex: idx_buffer_idx] }
+    }
+
+    pub fn index_type(&self) -> MTLIndexType {
+        unsafe { msg_send![self, indexType] }
+    }
+
+    pub fn set_index_type(&self, index_ty: MTLIndexType) {
+        unsafe { msg_send![self, setIndexType: index_ty] }
+    }
+
+    pub fn layouts(&self) -> Option<&BufferLayoutDescriptorArrayRef> {
+        unsafe { msg_send![self, layouts] }
+    }
+
+    pub fn reset(&self) {
+        unsafe { msg_send![self, reset] }
+    }
+}
+
+pub enum MTLAttributeDescriptorArray {}
+
+foreign_obj_type! {
+    type CType = MTLAttributeDescriptorArray;
+    pub struct AttributeDescriptorArray;
+    pub struct AttributeDescriptorArrayRef;
+}
+
+impl AttributeDescriptorArrayRef {
+    pub fn object_at(&self, index: NSUInteger) -> Option<&AttributeDescriptorRef> {
+        unsafe { msg_send![self, objectAtIndexedSubscript: index] }
+    }
+
+    pub fn set_object_at(&self, index: NSUInteger, buffer_desc: Option<&AttributeDescriptorRef>) {
+        unsafe { msg_send![self, setObject:buffer_desc atIndexedSubscript:index] }
+    }
+}
+
+pub enum MTLAttributeDescriptor {}
+
+foreign_obj_type! {
+    type CType = MTLAttributeDescriptor;
+    pub struct AttributeDescriptor;
+    pub struct AttributeDescriptorRef;
+}
+
+impl AttributeDescriptorRef {
+    pub fn buffer_index(&self) -> NSUInteger {
+        unsafe { msg_send![self, bufferIndex] }
+    }
+
+    pub fn set_buffer_index(&self, buffer_index: NSUInteger) {
+        unsafe { msg_send![self, setBufferIndex: buffer_index] }
+    }
+
+    pub fn format(&self) -> MTLAttributeFormat {
+        unsafe { msg_send![self, format] }
+    }
+
+    pub fn set_format(&self, format: MTLAttributeFormat) {
+        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 enum MTLBufferLayoutDescriptorArray {}
+
+foreign_obj_type! {
+    type CType = MTLBufferLayoutDescriptorArray;
+    pub struct BufferLayoutDescriptorArray;
+    pub struct BufferLayoutDescriptorArrayRef;
+}
+
+impl BufferLayoutDescriptorArrayRef {
+    pub fn object_at(&self, index: NSUInteger) -> Option<&BufferLayoutDescriptorRef> {
+        unsafe { msg_send![self, objectAtIndexedSubscript: index] }
+    }
+
+    pub fn set_object_at(
+        &self,
+        index: NSUInteger,
+        buffer_desc: Option<&BufferLayoutDescriptorRef>,
+    ) {
+        unsafe { msg_send![self, setObject:buffer_desc atIndexedSubscript:index] }
+    }
+}
+
+pub enum MTLBufferLayoutDescriptor {}
+
+foreign_obj_type! {
+    type CType = MTLBufferLayoutDescriptor;
+    pub struct BufferLayoutDescriptor;
+    pub struct BufferLayoutDescriptorRef;
+}
+
+impl BufferLayoutDescriptorRef {
+    pub fn step_function(&self) -> MTLStepFunction {
+        unsafe { msg_send![self, stepFunction] }
+    }
+
+    pub fn set_step_function(&self, step_function: MTLStepFunction) {
+        unsafe { msg_send![self, setStepFunction: step_function] }
+    }
+
+    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 fn stride(&self) -> NSUInteger {
+        unsafe { msg_send![self, stride] }
+    }
+
+    pub fn set_stride(&self, stride: NSUInteger) {
+        unsafe { msg_send![self, setStride: stride] }
+    }
+}
diff --git a/third_party/rust/metal/src/pipeline/mod.rs b/third_party/rust/metal/src/pipeline/mod.rs
new file mode 100644
index 0000000000..e65d28d6ca
--- /dev/null
+++ b/third_party/rust/metal/src/pipeline/mod.rs
@@ -0,0 +1,70 @@
+// Copyright 2017 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::*;
+
+mod compute;
+mod render;
+
+pub use self::compute::*;
+pub use self::render::*;
+
+#[repr(u64)]
+#[allow(non_camel_case_types)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
+pub enum MTLMutability {
+    Default = 0,
+    Mutable = 1,
+    Immutable = 2,
+}
+
+impl Default for MTLMutability {
+    #[inline]
+    fn default() -> Self {
+        MTLMutability::Default
+    }
+}
+
+pub enum MTLPipelineBufferDescriptorArray {}
+
+foreign_obj_type! {
+    type CType = MTLPipelineBufferDescriptorArray;
+    pub struct PipelineBufferDescriptorArray;
+    pub struct PipelineBufferDescriptorArrayRef;
+}
+
+impl PipelineBufferDescriptorArrayRef {
+    pub fn object_at(&self, index: NSUInteger) -> Option<&PipelineBufferDescriptorRef> {
+        unsafe { msg_send![self, objectAtIndexedSubscript: index] }
+    }
+
+    pub fn set_object_at(
+        &self,
+        index: NSUInteger,
+        buffer_desc: Option<&PipelineBufferDescriptorRef>,
+    ) {
+        unsafe { msg_send![self, setObject:buffer_desc atIndexedSubscript:index] }
+    }
+}
+
+pub enum MTLPipelineBufferDescriptor {}
+
+foreign_obj_type! {
+    type CType = MTLPipelineBufferDescriptor;
+    pub struct PipelineBufferDescriptor;
+    pub struct PipelineBufferDescriptorRef;
+}
+
+impl PipelineBufferDescriptorRef {
+    pub fn mutability(&self) -> MTLMutability {
+        unsafe { msg_send![self, mutability] }
+    }
+
+    pub fn set_mutability(&self, new_mutability: MTLMutability) {
+        unsafe { msg_send![self, setMutability: new_mutability] }
+    }
+}
diff --git a/third_party/rust/metal/src/pipeline/render.rs b/third_party/rust/metal/src/pipeline/render.rs
new file mode 100644
index 0000000000..a4b3a629e1
--- /dev/null
+++ b/third_party/rust/metal/src/pipeline/render.rs
@@ -0,0 +1,510 @@
+// Copyright 2017 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::*;
+
+use objc::runtime::{NO, YES};
+
+#[repr(u64)]
+#[allow(non_camel_case_types)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
+pub enum MTLBlendFactor {
+    Zero = 0,
+    One = 1,
+    SourceColor = 2,
+    OneMinusSourceColor = 3,
+    SourceAlpha = 4,
+    OneMinusSourceAlpha = 5,
+    DestinationColor = 6,
+    OneMinusDestinationColor = 7,
+    DestinationAlpha = 8,
+    OneMinusDestinationAlpha = 9,
+    SourceAlphaSaturated = 10,
+    BlendColor = 11,
+    OneMinusBlendColor = 12,
+    BlendAlpha = 13,
+    OneMinusBlendAlpha = 14,
+    Source1Color = 15,
+    OneMinusSource1Color = 16,
+    Source1Alpha = 17,
+    OneMinusSource1Alpha = 18,
+}
+
+#[repr(u64)]
+#[allow(non_camel_case_types)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
+pub enum MTLBlendOperation {
+    Add = 0,
+    Subtract = 1,
+    ReverseSubtract = 2,
+    Min = 3,
+    Max = 4,
+}
+
+bitflags! {
+    pub struct MTLColorWriteMask: NSUInteger {
+        const None  = 0;
+        const Red   = 0x1 << 3;
+        const Green = 0x1 << 2;
+        const Blue  = 0x1 << 1;
+        const Alpha = 0x1 << 0;
+        const All   = 0xf;
+    }
+}
+
+#[repr(u64)]
+#[allow(non_camel_case_types)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
+pub enum MTLPrimitiveTopologyClass {
+    Unspecified = 0,
+    Point = 1,
+    Line = 2,
+    Triangle = 3,
+}
+
+// TODO: MTLTessellationPartitionMode
+// TODO: MTLTessellationFactorStepFunction
+// TODO: MTLTessellationFactorFormat
+// TODO: MTLTessellationControlPointIndexType
+
+pub enum MTLRenderPipelineColorAttachmentDescriptor {}
+
+foreign_obj_type! {
+    type CType = MTLRenderPipelineColorAttachmentDescriptor;
+    pub struct RenderPipelineColorAttachmentDescriptor;
+    pub struct RenderPipelineColorAttachmentDescriptorRef;
+}
+
+impl RenderPipelineColorAttachmentDescriptorRef {
+    pub fn pixel_format(&self) -> MTLPixelFormat {
+        unsafe { msg_send![self, pixelFormat] }
+    }
+
+    pub fn set_pixel_format(&self, pixel_format: MTLPixelFormat) {
+        unsafe { msg_send![self, setPixelFormat: pixel_format] }
+    }
+
+    pub fn is_blending_enabled(&self) -> bool {
+        unsafe {
+            match msg_send![self, isBlendingEnabled] {
+                YES => true,
+                NO => false,
+                _ => unreachable!(),
+            }
+        }
+    }
+
+    pub fn set_blending_enabled(&self, enabled: bool) {
+        unsafe { msg_send![self, setBlendingEnabled: enabled] }
+    }
+
+    pub fn source_rgb_blend_factor(&self) -> MTLBlendFactor {
+        unsafe { msg_send![self, sourceRGBBlendFactor] }
+    }
+
+    pub fn set_source_rgb_blend_factor(&self, blend_factor: MTLBlendFactor) {
+        unsafe { msg_send![self, setSourceRGBBlendFactor: blend_factor] }
+    }
+
+    pub fn destination_rgb_blend_factor(&self) -> MTLBlendFactor {
+        unsafe { msg_send![self, destinationRGBBlendFactor] }
+    }
+
+    pub fn set_destination_rgb_blend_factor(&self, blend_factor: MTLBlendFactor) {
+        unsafe { msg_send![self, setDestinationRGBBlendFactor: blend_factor] }
+    }
+
+    pub fn rgb_blend_operation(&self) -> MTLBlendOperation {
+        unsafe { msg_send![self, rgbBlendOperation] }
+    }
+
+    pub fn set_rgb_blend_operation(&self, blend_operation: MTLBlendOperation) {
+        unsafe { msg_send![self, setRgbBlendOperation: blend_operation] }
+    }
+
+    pub fn source_alpha_blend_factor(&self) -> MTLBlendFactor {
+        unsafe { msg_send![self, sourceAlphaBlendFactor] }
+    }
+
+    pub fn set_source_alpha_blend_factor(&self, blend_factor: MTLBlendFactor) {
+        unsafe { msg_send![self, setSourceAlphaBlendFactor: blend_factor] }
+    }
+
+    pub fn destination_alpha_blend_factor(&self) -> MTLBlendFactor {
+        unsafe { msg_send![self, destinationAlphaBlendFactor] }
+    }
+
+    pub fn set_destination_alpha_blend_factor(&self, blend_factor: MTLBlendFactor) {
+        unsafe { msg_send![self, setDestinationAlphaBlendFactor: blend_factor] }
+    }
+
+    pub fn alpha_blend_operation(&self) -> MTLBlendOperation {
+        unsafe { msg_send![self, alphaBlendOperation] }
+    }
+
+    pub fn set_alpha_blend_operation(&self, blend_operation: MTLBlendOperation) {
+        unsafe { msg_send![self, setAlphaBlendOperation: blend_operation] }
+    }
+
+    pub fn write_mask(&self) -> MTLColorWriteMask {
+        unsafe { msg_send![self, writeMask] }
+    }
+
+    pub fn set_write_mask(&self, mask: MTLColorWriteMask) {
+        unsafe { msg_send![self, setWriteMask: mask] }
+    }
+}
+
+pub enum MTLRenderPipelineReflection {}
+
+foreign_obj_type! {
+    type CType = MTLRenderPipelineReflection;
+    pub struct RenderPipelineReflection;
+    pub struct RenderPipelineReflectionRef;
+}
+
+impl RenderPipelineReflection {
+    #[cfg(feature = "private")]
+    pub unsafe fn new(
+        vertex_data: *mut std::ffi::c_void,
+        fragment_data: *mut std::ffi::c_void,
+        vertex_desc: *mut std::ffi::c_void,
+        device: &DeviceRef,
+        options: u64,
+        flags: u64,
+    ) -> Self {
+        let class = class!(MTLRenderPipelineReflection);
+        let this: RenderPipelineReflection = msg_send![class, alloc];
+        let this_alias: *mut Object = msg_send![this.as_ref(), initWithVertexData:vertex_data
+                                                                fragmentData:fragment_data
+                                                serializedVertexDescriptor:vertex_desc
+                                                                    device:device
+                                                                    options:options
+                                                                        flags:flags];
+        if this_alias.is_null() {
+            panic!("[MTLRenderPipelineReflection init] failed");
+        }
+        this
+    }
+}
+
+impl RenderPipelineReflectionRef {
+    /// An array of objects that describe the arguments of a fragment function.
+    pub fn fragment_arguments(&self) -> &ArgumentArrayRef {
+        unsafe { msg_send![self, fragmentArguments] }
+    }
+
+    /// An array of objects that describe the arguments of a vertex function.
+    pub fn vertex_arguments(&self) -> &ArgumentArrayRef {
+        unsafe { msg_send![self, vertexArguments] }
+    }
+
+    /// An array of objects that describe the arguments of a tile shading function.
+    pub fn tile_arguments(&self) -> &ArgumentArrayRef {
+        unsafe { msg_send![self, tileArguments] }
+    }
+}
+
+pub enum MTLArgumentArray {}
+
+foreign_obj_type! {
+    type CType = MTLArgumentArray;
+    pub struct ArgumentArray;
+    pub struct ArgumentArrayRef;
+}
+
+impl ArgumentArrayRef {
+    pub fn object_at(&self, index: NSUInteger) -> Option<&ArgumentRef> {
+        unsafe { msg_send![self, objectAtIndexedSubscript: index] }
+    }
+
+    pub fn count(&self) -> NSUInteger {
+        unsafe { msg_send![self, count] }
+    }
+}
+
+pub enum MTLComputePipelineReflection {}
+
+foreign_obj_type! {
+    type CType = MTLComputePipelineReflection;
+    pub struct ComputePipelineReflection;
+    pub struct ComputePipelineReflectionRef;
+}
+
+impl ComputePipelineReflectionRef {
+    /// An array of objects that describe the arguments of a compute function.
+    pub fn arguments(&self) -> &ArgumentArrayRef {
+        unsafe { msg_send![self, arguments] }
+    }
+}
+
+pub enum MTLRenderPipelineDescriptor {}
+
+foreign_obj_type! {
+    type CType = MTLRenderPipelineDescriptor;
+    pub struct RenderPipelineDescriptor;
+    pub struct RenderPipelineDescriptorRef;
+}
+
+impl RenderPipelineDescriptor {
+    pub fn new() -> Self {
+        unsafe {
+            let class = class!(MTLRenderPipelineDescriptor);
+            msg_send![class, new]
+        }
+    }
+}
+
+impl RenderPipelineDescriptorRef {
+    pub fn label(&self) -> &str {
+        unsafe {
+            let label = msg_send![self, label];
+            crate::nsstring_as_str(label)
+        }
+    }
+
+    pub fn set_label(&self, label: &str) {
+        unsafe {
+            let nslabel = crate::nsstring_from_str(label);
+            let () = msg_send![self, setLabel: nslabel];
+        }
+    }
+
+    pub fn vertex_function(&self) -> Option<&FunctionRef> {
+        unsafe { msg_send![self, vertexFunction] }
+    }
+
+    pub fn set_vertex_function(&self, function: Option<&FunctionRef>) {
+        unsafe { msg_send![self, setVertexFunction: function] }
+    }
+
+    pub fn fragment_function(&self) -> Option<&FunctionRef> {
+        unsafe { msg_send![self, fragmentFunction] }
+    }
+
+    pub fn set_fragment_function(&self, function: Option<&FunctionRef>) {
+        unsafe { msg_send![self, setFragmentFunction: function] }
+    }
+
+    pub fn vertex_descriptor(&self) -> Option<&VertexDescriptorRef> {
+        unsafe { msg_send![self, vertexDescriptor] }
+    }
+
+    pub fn set_vertex_descriptor(&self, descriptor: Option<&VertexDescriptorRef>) {
+        unsafe { msg_send![self, setVertexDescriptor: descriptor] }
+    }
+
+    /// DEPRECATED - aliases rasterSampleCount property
+    pub fn sample_count(&self) -> NSUInteger {
+        unsafe { msg_send![self, sampleCount] }
+    }
+
+    /// DEPRECATED - aliases rasterSampleCount property
+    pub fn set_sample_count(&self, count: NSUInteger) {
+        unsafe { msg_send![self, setSampleCount: count] }
+    }
+
+    pub fn raster_sample_count(&self) -> NSUInteger {
+        unsafe { msg_send![self, rasterSampleCount] }
+    }
+
+    pub fn set_raster_sample_count(&self, count: NSUInteger) {
+        unsafe { msg_send![self, setRasterSampleCount: count] }
+    }
+
+    pub fn max_vertex_amplification_count(&self) -> NSUInteger {
+        unsafe { msg_send![self, maxVertexAmplificationCount] }
+    }
+
+    pub fn set_max_vertex_amplification_count(&self, count: NSUInteger) {
+        unsafe { msg_send![self, setMaxVertexAmplificationCount: count] }
+    }
+
+    pub fn is_alpha_to_coverage_enabled(&self) -> bool {
+        unsafe {
+            match msg_send![self, isAlphaToCoverageEnabled] {
+                YES => true,
+                NO => false,
+                _ => unreachable!(),
+            }
+        }
+    }
+
+    pub fn set_alpha_to_coverage_enabled(&self, enabled: bool) {
+        unsafe { msg_send![self, setAlphaToCoverageEnabled: enabled] }
+    }
+
+    pub fn is_alpha_to_one_enabled(&self) -> bool {
+        unsafe {
+            match msg_send![self, isAlphaToOneEnabled] {
+                YES => true,
+                NO => false,
+                _ => unreachable!(),
+            }
+        }
+    }
+
+    pub fn set_alpha_to_one_enabled(&self, enabled: bool) {
+        unsafe { msg_send![self, setAlphaToOneEnabled: enabled] }
+    }
+
+    pub fn is_rasterization_enabled(&self) -> bool {
+        unsafe {
+            match msg_send![self, isRasterizationEnabled] {
+                YES => true,
+                NO => false,
+                _ => unreachable!(),
+            }
+        }
+    }
+
+    pub fn set_rasterization_enabled(&self, enabled: bool) {
+        unsafe { msg_send![self, setRasterizationEnabled: enabled] }
+    }
+
+    pub fn color_attachments(&self) -> &RenderPipelineColorAttachmentDescriptorArrayRef {
+        unsafe { msg_send![self, colorAttachments] }
+    }
+
+    pub fn depth_attachment_pixel_format(&self) -> MTLPixelFormat {
+        unsafe { msg_send![self, depthAttachmentPixelFormat] }
+    }
+
+    pub fn set_depth_attachment_pixel_format(&self, pixel_format: MTLPixelFormat) {
+        unsafe { msg_send![self, setDepthAttachmentPixelFormat: pixel_format] }
+    }
+
+    pub fn stencil_attachment_pixel_format(&self) -> MTLPixelFormat {
+        unsafe { msg_send![self, stencilAttachmentPixelFormat] }
+    }
+
+    pub fn set_stencil_attachment_pixel_format(&self, pixel_format: MTLPixelFormat) {
+        unsafe { msg_send![self, setStencilAttachmentPixelFormat: pixel_format] }
+    }
+
+    pub fn input_primitive_topology(&self) -> MTLPrimitiveTopologyClass {
+        unsafe { msg_send![self, inputPrimitiveTopology] }
+    }
+
+    pub fn set_input_primitive_topology(&self, topology: MTLPrimitiveTopologyClass) {
+        unsafe { msg_send![self, setInputPrimitiveTopology: topology] }
+    }
+
+    #[cfg(feature = "private")]
+    pub unsafe fn serialize_vertex_data(&self) -> *mut std::ffi::c_void {
+        use std::ptr;
+        let flags = 0;
+        let err: *mut Object = ptr::null_mut();
+        msg_send![self, newSerializedVertexDataWithFlags:flags
+                                                    error:err]
+    }
+
+    #[cfg(feature = "private")]
+    pub unsafe fn serialize_fragment_data(&self) -> *mut std::ffi::c_void {
+        msg_send![self, serializeFragmentData]
+    }
+
+    pub fn support_indirect_command_buffers(&self) -> bool {
+        unsafe {
+            match msg_send![self, supportIndirectCommandBuffers] {
+                YES => true,
+                NO => false,
+                _ => unreachable!(),
+            }
+        }
+    }
+
+    pub fn set_support_indirect_command_buffers(&self, support: bool) {
+        unsafe { msg_send![self, setSupportIndirectCommandBuffers: support] }
+    }
+
+    pub fn vertex_buffers(&self) -> Option<&PipelineBufferDescriptorArrayRef> {
+        unsafe { msg_send![self, vertexBuffers] }
+    }
+
+    pub fn fragment_buffers(&self) -> Option<&PipelineBufferDescriptorArrayRef> {
+        unsafe { msg_send![self, fragmentBuffers] }
+    }
+
+    // TODO: tesselation stuff
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    /// Marshal to Rust Vec
+    pub fn binary_archives(&self) -> Vec<BinaryArchive> {
+        unsafe {
+            let archives: *mut Object = msg_send![self, binaryArchives];
+            let count: NSUInteger = msg_send![archives, count];
+            let ret = (0..count)
+                .map(|i| {
+                    let a = msg_send![archives, objectAtIndex: i];
+                    BinaryArchive::from_ptr(a)
+                })
+                .collect();
+            ret
+        }
+    }
+
+    /// API_AVAILABLE(macos(11.0), ios(14.0));
+    /// Marshal from Rust slice
+    pub fn set_binary_archives(&self, archives: &[&BinaryArchiveRef]) {
+        let ns_array = Array::<BinaryArchive>::from_slice(archives);
+        unsafe { msg_send![self, setBinaryArchives: ns_array] }
+    }
+
+    pub fn reset(&self) {
+        unsafe { msg_send![self, reset] }
+    }
+}
+
+pub enum MTLRenderPipelineState {}
+
+foreign_obj_type! {
+    type CType = MTLRenderPipelineState;
+    pub struct RenderPipelineState;
+    pub struct RenderPipelineStateRef;
+}
+
+impl RenderPipelineStateRef {
+    pub fn device(&self) -> &DeviceRef {
+        unsafe { msg_send![self, device] }
+    }
+
+    pub fn label(&self) -> &str {
+        unsafe {
+            let label = msg_send![self, label];
+            crate::nsstring_as_str(label)
+        }
+    }
+}
+
+pub enum MTLRenderPipelineColorAttachmentDescriptorArray {}
+
+foreign_obj_type! {
+    type CType = MTLRenderPipelineColorAttachmentDescriptorArray;
+    pub struct RenderPipelineColorAttachmentDescriptorArray;
+    pub struct RenderPipelineColorAttachmentDescriptorArrayRef;
+}
+
+impl RenderPipelineColorAttachmentDescriptorArrayRef {
+    pub fn object_at(
+        &self,
+        index: NSUInteger,
+    ) -> Option<&RenderPipelineColorAttachmentDescriptorRef> {
+        unsafe { msg_send![self, objectAtIndexedSubscript: index] }
+    }
+
+    pub fn set_object_at(
+        &self,
+        index: NSUInteger,
+        attachment: Option<&RenderPipelineColorAttachmentDescriptorRef>,
+    ) {
+        unsafe {
+            msg_send![self, setObject:attachment
+                   atIndexedSubscript:index]
+        }
+    }
+}