From 2d118bfbfabebdc2652cbf08476c5e07ef802c81 Mon Sep 17 00:00:00 2001
From: Try <try9998@gmail.com>
Date: Sat, 10 Feb 2024 22:27:17 +0100
Subject: [PATCH] Metal: mesh-indirect

#54
---
 Engine/gapi/metal/mtcommandbuffer.cpp | 5 +++++
 Engine/gapi/metal/mtcommandbuffer.h   | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/Engine/gapi/metal/mtcommandbuffer.cpp b/Engine/gapi/metal/mtcommandbuffer.cpp
index eb054f1f..833ce736 100644
--- a/Engine/gapi/metal/mtcommandbuffer.cpp
+++ b/Engine/gapi/metal/mtcommandbuffer.cpp
@@ -323,6 +323,11 @@ void MtCommandBuffer::dispatchMesh(size_t x, size_t y, size_t z) {
   encDraw->drawMeshThreadgroups(MTL::Size(x,y,z), localSize, localSizeMesh);
   }
 
+void MtCommandBuffer::dispatchMeshIndirect(const AbstractGraphicsApi::Buffer& indirect, size_t offset) {
+  auto& ind = reinterpret_cast<const MtBuffer&>(indirect);
+  encDraw->drawMeshThreadgroups(ind.impl.get(), offset, localSize, localSizeMesh);
+  }
+
 void MtCommandBuffer::dispatch(size_t x, size_t y, size_t z) {
   encComp->dispatchThreadgroups(MTL::Size(x,y,z), localSize);
   }
diff --git a/Engine/gapi/metal/mtcommandbuffer.h b/Engine/gapi/metal/mtcommandbuffer.h
index d49e83cf..78c02abe 100644
--- a/Engine/gapi/metal/mtcommandbuffer.h
+++ b/Engine/gapi/metal/mtcommandbuffer.h
@@ -59,6 +59,8 @@ class MtCommandBuffer : public AbstractGraphicsApi::CommandBuffer {
     void drawIndirect(const AbstractGraphicsApi::Buffer& indirect, size_t offset) override;
 
     void dispatchMesh(size_t x, size_t y, size_t z) override;
+    void dispatchMeshIndirect(const AbstractGraphicsApi::Buffer& indirect, size_t offset) override;
+
     void dispatch    (size_t x, size_t y, size_t z) override;
 
     void barrier       (const AbstractGraphicsApi::BarrierDesc* desc, size_t cnt) override;