Convert buffer creation function to an api one

1 files changed, 30 insertions, 0 deletions

diff --git a/src/vk-api.cpp b/src/vk-api.cpp
new file mode 100644
index 0000000..a8897dd
--- /dev/null
+++ b/src/vk-api.cpp
@@ -0,0 +1,30 @@
+#include <cassert>
+#include <memory>
+
+#include "vk-api.hpp"
+
+#define VKRESULT(result) assert(result == VK_SUCCESS);
+
+
+Buffer vkapi::create_buffer(size_t data_size, VkBufferUsageFlags buffer_usage, VmaMemoryUsage mem_usage) {
+    Buffer buffer = {};
+
+    VkBufferCreateInfo buffer_info  = {  };
+    buffer_info.sType               = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
+    buffer_info.size                = data_size;
+    buffer_info.usage               = buffer_usage;
+     
+    VmaAllocationCreateInfo alloc_create_info = {};
+    alloc_create_info.usage = mem_usage;
+     
+    vmaCreateBuffer(context.allocator, &buffer_info, &alloc_create_info, &buffer.vkbuffer, &buffer.alloc, nullptr);
+
+    vmaMapMemory(context.allocator, buffer.alloc, (void**) &buffer.mapped_ptr);
+
+    return std::move(buffer);
+}
+
+void vkapi::destroy_buffer(Buffer& buffer) {
+    vmaUnmapMemory(context.allocator, buffer.alloc);
+    vmaDestroyBuffer(context.allocator, buffer.vkbuffer, buffer.alloc);
+}