From d5c9bd79e64ddf6854a7f17ae044d8c5968e3b80 Mon Sep 17 00:00:00 2001
From: assiduous <assiduous@diligentgraphics.com>
Date: Thu, 1 Oct 2020 01:22:24 -0700
Subject: Metal interface: using id<> instead of void*

---
 Graphics/GraphicsEngineMetal/interface/BufferMtl.h        |  4 ++--
 Graphics/GraphicsEngineMetal/interface/PipelineStateMtl.h | 11 +++++++----
 Graphics/GraphicsEngineMetal/interface/RenderDeviceMtl.h  |  7 +++++--
 Graphics/GraphicsEngineMetal/interface/ShaderMtl.h        |  2 +-
 Graphics/GraphicsEngineMetal/interface/TextureMtl.h       |  2 +-
 Graphics/GraphicsEngineMetal/interface/TextureViewMtl.h   |  2 +-
 6 files changed, 17 insertions(+), 11 deletions(-)

(limited to 'Graphics/GraphicsEngineMetal')

diff --git a/Graphics/GraphicsEngineMetal/interface/BufferMtl.h b/Graphics/GraphicsEngineMetal/interface/BufferMtl.h
index 7f4a0a61..d7b2a7fd 100644
--- a/Graphics/GraphicsEngineMetal/interface/BufferMtl.h
+++ b/Graphics/GraphicsEngineMetal/interface/BufferMtl.h
@@ -41,8 +41,8 @@ static const INTERFACE_ID IID_BufferMtl =
 class IBufferMtl : public IBuffer
 {
 public:
-    /// Returns a pointer to a Metal buffer (MTLBuffer).
-    virtual void* GetMtlResource() const = 0;
+    /// Returns a pointer to a Metal buffer object.
+    virtual id<MTLBuffer> GetMtlResource() const = 0;
 };
 
 } // namespace Diligent
diff --git a/Graphics/GraphicsEngineMetal/interface/PipelineStateMtl.h b/Graphics/GraphicsEngineMetal/interface/PipelineStateMtl.h
index aaea6a0d..a74c86fa 100644
--- a/Graphics/GraphicsEngineMetal/interface/PipelineStateMtl.h
+++ b/Graphics/GraphicsEngineMetal/interface/PipelineStateMtl.h
@@ -41,11 +41,14 @@ static const INTERFACE_ID IID_PipelineStateMtl =
 class IPipelineStateMtl : public IPipelineState
 {
 public:
-    /// Returns a pointer to Metal render or compute pipeline (MTLRenderPipelineState or MTLComputePipelineState)
-    virtual void* GetMtlPipeline() const = 0;
+    /// Returns a pointer to Metal render pipeline (MTLRenderPipelineState)
+    virtual id<MTLRenderPipelineState> GetMtlRenderPipeline() const = 0;
 
-    /// Returns a pointer to Metal depth-stencil state (MTLDepthStencilState)
-    virtual void* GetMtlDepthStencilState() const = 0;
+    /// Returns a pointer to Metal compute pipeline (MTLComputePipelineState)
+    virtual id<MTLComputePipelineState> GetMtlComputePipeline() const = 0;
+
+    /// Returns a pointer to Metal depth-stencil state object (MTLDepthStencilState)
+    virtual id<MTLDepthStencilState> GetMtlDepthStencilState() const = 0;
 };
 
 } // namespace Diligent
diff --git a/Graphics/GraphicsEngineMetal/interface/RenderDeviceMtl.h b/Graphics/GraphicsEngineMetal/interface/RenderDeviceMtl.h
index 11fe4199..5c1d8233 100644
--- a/Graphics/GraphicsEngineMetal/interface/RenderDeviceMtl.h
+++ b/Graphics/GraphicsEngineMetal/interface/RenderDeviceMtl.h
@@ -41,8 +41,11 @@ static const INTERFACE_ID IID_RenderDeviceMtl =
 class IRenderDeviceMtl : public IRenderDevice
 {
 public:
-    /// Returns the pointer to MTLDevice object
-    virtual void* GetMtlDevice() const = 0;
+    /// Returns the pointer to Metal device (MTLDevice).
+    virtual id<MTLDevice> GetMtlDevice() const = 0;
+
+    /// Returns the pointer to Metal command queue (MTLCommandQueue).
+    virtual id<MTLCommandQueue> GetMtlCommandQueue() const = 0;
 };
 
 } // namespace Diligent
diff --git a/Graphics/GraphicsEngineMetal/interface/ShaderMtl.h b/Graphics/GraphicsEngineMetal/interface/ShaderMtl.h
index 0f3da174..c8f8da84 100644
--- a/Graphics/GraphicsEngineMetal/interface/ShaderMtl.h
+++ b/Graphics/GraphicsEngineMetal/interface/ShaderMtl.h
@@ -42,7 +42,7 @@ class IShaderMtl : public IShader
 {
 public:
     /// Returns the point to Metal shader function (MTLFunction)
-    virtual void* GetMtlShaderFunction() const = 0;
+    virtual id<MTLFunction> GetMtlShaderFunction() const = 0;
 };
 
 } // namespace Diligent
diff --git a/Graphics/GraphicsEngineMetal/interface/TextureMtl.h b/Graphics/GraphicsEngineMetal/interface/TextureMtl.h
index bced9bb7..892ae190 100644
--- a/Graphics/GraphicsEngineMetal/interface/TextureMtl.h
+++ b/Graphics/GraphicsEngineMetal/interface/TextureMtl.h
@@ -44,7 +44,7 @@ public:
     /// Returns a pointer to a Metal resource.
     /// For a staging texture, this will be a pointer to a MTLStorageModeShared buffer (MTLBuffer).
     /// For all other texture types, this will be a pointer to Metal texture object (MTLTexture).
-    virtual void* GetMtlResource() const = 0;
+    virtual id<MTLResource> GetMtlResource() const = 0;
 };
 
 } // namespace Diligent
diff --git a/Graphics/GraphicsEngineMetal/interface/TextureViewMtl.h b/Graphics/GraphicsEngineMetal/interface/TextureViewMtl.h
index 07453e6d..8b75a074 100644
--- a/Graphics/GraphicsEngineMetal/interface/TextureViewMtl.h
+++ b/Graphics/GraphicsEngineMetal/interface/TextureViewMtl.h
@@ -42,7 +42,7 @@ class ITextureViewMtl : public ITextureView
 {
 public:
     /// Returns a pointer to Metal texture view (MTLTexture)
-    virtual void* GetMtlTexture() const = 0;
+    virtual id<MTLTexture> GetMtlTexture() const = 0;
 };
 
 } // namespace Diligent
-- 
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