Metal setup merge (#1616)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: Alex Cristici <alex.cristici@gmail.com>
Co-authored-by: mwilsnd <mwilsnd@gmail.com>
Co-authored-by: Stefan Karschti <stefan.karschti@gmail.com>
Co-authored-by: Bart Louwers <bart@emeel.net>
Co-authored-by: Alex Cristici <alex@skoon.energy>
Co-authored-by: Bart Louwers <bart.louwers@gmail.com>
Co-authored-by: Wei Chen <alanchenboy@gmail.com>
Co-authored-by: Siarhei Fedartsou <siarhei.fedartsou@gmail.com>
Co-authored-by: tdcosta100 <tdcosta100@gmail.com>

src/mbgl/mtl/uniform_buffer.cpp

@@ -0,0 +1,30 @@
+#include <mbgl/mtl/uniform_buffer.hpp>
+
+#include <mbgl/util/logging.hpp>
+
+#include <cassert>
+
+namespace mbgl {
+namespace mtl {
+
+UniformBuffer::UniformBuffer(BufferResource&& buffer_)
+    : gfx::UniformBuffer(buffer_.getSizeInBytes()),
+      buffer(std::move(buffer_)) {}
+UniformBuffer::UniformBuffer(UniformBuffer&& other)
+    : gfx::UniformBuffer(std::move(other)),
+      buffer(std::move(other.buffer)) {}
+
+void UniformBuffer::update(const void* data, std::size_t size_) {
+    assert(size == size_);
+    if (size != size_ || size != buffer.getSizeInBytes()) {
+        Log::Error(
+            Event::General,
+            "Mismatched size given to UBO update, expected " + std::to_string(size) + ", got " + std::to_string(size_));
+        return;
+    }
+
+    buffer.update(data, size, /*offset=*/0);
+}
+
+} // namespace mtl
+} // namespace mbgl