Vulkan renderer backend (#2564)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Bart Louwers <bart.louwers@gmail.com>

src/mbgl/vulkan/uniform_buffer.cpp

@@ -0,0 +1,42 @@
+#include <mbgl/vulkan/uniform_buffer.hpp>
+
+#include <mbgl/vulkan/context.hpp>
+#include <mbgl/util/logging.hpp>
+
+#include <cassert>
+
+namespace mbgl {
+namespace vulkan {
+
+UniformBuffer::UniformBuffer(BufferResource&& buffer_)
+    : gfx::UniformBuffer(buffer_.getSizeInBytes()),
+      buffer(std::move(buffer_)) {
+    buffer.getContext().renderingStats().numUniformBuffers++;
+    buffer.getContext().renderingStats().memUniformBuffers += size;
+}
+
+UniformBuffer::UniformBuffer(UniformBuffer&& other)
+    : gfx::UniformBuffer(std::move(other)),
+      buffer(std::move(other.buffer)) {}
+
+UniformBuffer::~UniformBuffer() {
+    buffer.getContext().renderingStats().numUniformBuffers--;
+    buffer.getContext().renderingStats().memUniformBuffers -= size;
+}
+
+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.getContext().renderingStats().numUniformUpdates++;
+    buffer.getContext().renderingStats().uniformUpdateBytes += size_;
+    buffer.update(data, size, /*offset=*/0);
+}
+
+} // namespace vulkan
+} // namespace mbgl