1 files changed, 56 insertions, 0 deletions
diff --git a/src/resources/buffer.cpp b/src/resources/buffer.cpp
new file mode 100644
index 0000000..8568466
--- /dev/null
+++ b/src/resources/buffer.cpp
@@ -0,0 +1,56 @@
+#include "resources/buffer.h"
+#include "vulkan_helper.h"
+#include <memory>
+
+namespace iris {
+
+void *Buffer_tt::map() {
+    if (!mapped_data.has_value()) {
+        CHECK_VULKAN(vmaMapMemory(allocator, allocation, &mapped_data.value()));
+    }
+    return mapped_data.value();
+}
+
+void Buffer_tt::unmap() {
+    if (mapped_data.has_value()) {
+        vmaUnmapMemory(allocator, allocation);
+        mapped_data.reset();
+    } else {
+        spdlog::warn("Buffer is not mapped, skipping");
+    }
+}
+
+void Buffer_tt::release() {
+    if (handle != VK_NULL_HANDLE) {
+        spdlog::debug("Destroying buffer: 0x{:x}", (uint64_t)handle);
+        vkDeviceWaitIdle(device);
+        vmaDestroyBuffer(allocator, handle, allocation);
+        handle = VK_NULL_HANDLE;
+    }
+}
+
+std::shared_ptr<Buffer_tt> Device::create_buffer(BufferDesc desc) {
+    VkBufferCreateInfo buffer_create_info = {
+        .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
+        .size = desc.size,
+        .usage = desc.buffer_usage,
+    };
+    VmaAllocationCreateInfo alloc_create_info = {
+        .usage = desc.memory_usage,
+    };
+    std::shared_ptr<Buffer_tt> buffer = std::make_shared<Buffer_tt>();
+    buffer->device = this->device;
+    buffer->allocator = this->allocator;
+    buffer->desc = desc;
+    CHECK_VULKAN(vmaCreateBuffer(
+        allocator,
+        &buffer_create_info,
+        &alloc_create_info,
+        &buffer->handle,
+        &buffer->allocation,
+        VK_NULL_HANDLE));
+    spdlog::debug("Created buffer: 0x{:x}", (uint64_t)buffer->handle);
+    return buffer;
+}
+
+} // namespace iris
+\ No newline at end of file