some stuff with more encoders

README.md

@@ -7,7 +7,7 @@ Backfill List
 -
 **HIGH PRIORITY**:
 - [ ] Tessellation drawing
-- [ ] Remainder of command buffer instance methods
+- [ ] Compute + blit + resource state encoder
 - [ ] Redo all the docs
 
 **LOW PRIORITY**:

src/commandbuffer.rs

@@ -1,8 +1,5 @@
 use crate::import_objc_macros::*;
-use crate::{
-    handle, DeviceCreated, MTLDrawable, MTLParallelRenderCommandEncoder, MTLRenderCommandEncoder,
-    MTLRenderPassDescriptor, NSError, Object, ObjectPointer,
-};
+use crate::{handle, DeviceCreated, MTLDrawable, MTLParallelRenderCommandEncoder, MTLRenderCommandEncoder, MTLRenderPassDescriptor, NSError, Object, ObjectPointer, MTLComputeCommandEncoder};
 
 #[repr(u64)]
 pub enum MTLCommandBufferStatus {
@@ -78,6 +75,9 @@ impl MTLCommandBuffer {
             parallelRenderCommandEncoderWithDescriptor:desc.get_ptr()
         ])
     }
+    pub unsafe fn new_compute_command_encoder(&self) -> MTLComputeCommandEncoder {
+        MTLComputeCommandEncoder::from_ptr(msg_send![self.get_ptr(), computeCommandEncoder])
+    }
 }
 
 impl Object for MTLCommandBuffer {

src/encoder/compute.rs

@@ -0,0 +1,21 @@
+use crate::{ObjectPointer, handle, Object, MTLCommandEncoder};
+
+pub struct MTLComputeCommandEncoder(ObjectPointer);
+handle!(MTLComputeCommandEncoder);
+
+impl MTLComputeCommandEncoder {
+    // TODO add my behavior
+}
+
+impl MTLCommandEncoder for MTLComputeCommandEncoder {}
+
+impl Object for MTLComputeCommandEncoder {
+    unsafe fn from_ptr(ptr: ObjectPointer) -> Self where
+        Self: Sized {
+        MTLComputeCommandEncoder(ptr)
+    }
+
+    fn get_ptr(&self) -> ObjectPointer {
+        self.0
+    }
+}

src/encoder/mod.rs

@@ -1,5 +1,7 @@
+mod compute;
 mod pass;
 mod render;
+pub use compute::*;
 pub use pass::*;
 pub use render::*;