From 803ec1395ddec51e084910eaa11aff04a2168256 Mon Sep 17 00:00:00 2001
From: Alexander Borsuk <me@alex.bio>
Date: Wed, 4 Aug 2021 23:44:19 +0200
Subject: [PATCH] [mac] Partial fix of metal compilation

TODO: Port OpenGL ES to OpenGL desktop and build it on Mac
Signed-off-by: Alexander Borsuk <me@alex.bio>
---
 drape/metal/metal_base_context.mm     | 15 ++++++++++++++-
 drape/metal/metal_mesh_object_impl.mm |  4 +++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/drape/metal/metal_base_context.mm b/drape/metal/metal_base_context.mm
index 47f659fe71..5ed21aac01 100644
--- a/drape/metal/metal_base_context.mm
+++ b/drape/metal/metal_base_context.mm
@@ -5,6 +5,8 @@
 
 #include "base/assert.hpp"
 
+#include "std/target_os.hpp"
+
 #include <algorithm>
 #include <functional>
 #include <string>
@@ -71,7 +73,17 @@ std::string MetalBaseContext::GetRendererVersion() const
   static std::vector<std::pair<MTLFeatureSet, std::string>> features;
   if (features.empty())
   {
-    features.reserve(12);
+#ifdef OMIM_OS_MAC
+    features.emplace_back(MTLFeatureSet_macOS_GPUFamily1_v1, "macOS_GPUFamily1_v1");
+    features.emplace_back(MTLFeatureSet_macOS_GPUFamily1_v2, "macOS_GPUFamily1_v2");
+    if (@available(macOS 10.13, *))
+      features.emplace_back(MTLFeatureSet_macOS_GPUFamily1_v3, "macOS_GPUFamily1_v3");
+    if (@available(macOS 10.14, *))
+    {
+      features.emplace_back(MTLFeatureSet_macOS_GPUFamily1_v4, "macOS_GPUFamily1_v4");
+      features.emplace_back(MTLFeatureSet_macOS_GPUFamily2_v1, "macOS_GPUFamily2_v1");
+    }
+#else
     features.emplace_back(MTLFeatureSet_iOS_GPUFamily1_v1, "iOS_GPUFamily1_v1");
     features.emplace_back(MTLFeatureSet_iOS_GPUFamily2_v1, "iOS_GPUFamily2_v1");
     features.emplace_back(MTLFeatureSet_iOS_GPUFamily1_v2, "iOS_GPUFamily1_v2");
@@ -89,6 +101,7 @@ std::string MetalBaseContext::GetRendererVersion() const
     features.emplace_back(MTLFeatureSet_iOS_GPUFamily3_v4, "iOS_GPUFamily3_v4");
     features.emplace_back(MTLFeatureSet_iOS_GPUFamily4_v2, "iOS_GPUFamily4_v2");
     features.emplace_back(MTLFeatureSet_iOS_GPUFamily5_v1, "iOS_GPUFamily5_v1");
+#endif
     std::sort(features.begin(), features.end(), [](auto const & s1, auto const & s2)
     {
       return s1.first > s2.first;
diff --git a/drape/metal/metal_mesh_object_impl.mm b/drape/metal/metal_mesh_object_impl.mm
index 65d210ca2a..377838ce54 100644
--- a/drape/metal/metal_mesh_object_impl.mm
+++ b/drape/metal/metal_mesh_object_impl.mm
@@ -102,9 +102,11 @@ private:
   std::vector<id<MTLBuffer>> m_geometryBuffers;
 };
 }  // namespace metal
-  
+
+#ifdef OMIM_METAL_AVAILABLE
 void MeshObject::InitForMetal()
 {
   m_impl = make_unique_dp<metal::MetalMeshObjectImpl>(make_ref(this));
 }
+#endif  // OMIM_METAL_AVAILABLE
 }  // namespace dp