1 files changed, 54 insertions, 0 deletions
diff --git a/api-test/command-buffer.cpp b/api-test/command-buffer.cpp
new file mode 100644
index 0000000..9e37f95
--- /dev/null
+++ b/api-test/command-buffer.cpp
@@ -0,0 +1,54 @@
+#include "command-buffer.hpp"
+
+#include <cassert>
+
+#include "vulkan-loader.hpp"
+
+#include"vk-device.hpp"
+
+#ifdef _DEBUG
+#define VKCHECK(result) assert(result == VK_SUCCESS);
+#else
+#define VKCHECK(result) result;
+#endif
+
+void command_buffer::start() const {
+    VkCommandBufferBeginInfo begin_info {
+        .sType              = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
+        .pNext              = nullptr,
+        .flags              = 0U,
+        .pInheritanceInfo   = nullptr
+    };
+
+    VKCHECK(vkBeginCommandBuffer(handle, &begin_info))
+}
+
+void command_buffer::stop() const {
+    VKCHECK(vkEndCommandBuffer(handle))
+}
+
+void transfer_command_buffer::copy(::handle<device_buffer> buffer_handle, ::handle<device_texture> texture_handle) {
+    const auto& buffer = vkdevice::get_buffer(buffer_handle);
+    const auto& texture = vkdevice::get_texture(texture_handle);
+    VkImageSubresourceLayers image_subresource_layers {
+        .aspectMask     = VK_IMAGE_ASPECT_COLOR_BIT,
+        .mipLevel       = 0,
+        .baseArrayLayer = 0,
+        .layerCount     = 1,
+    };
+
+    VkBufferImageCopy buffer_to_image_copy {
+        .bufferOffset       = 0,
+        .bufferRowLength    = 0,
+        .bufferImageHeight  = 0,
+        .imageSubresource   = image_subresource_layers,
+        .imageOffset        = { .x = 0, .y = 0, .z = 0 },
+        .imageExtent        = {
+            .width  = texture.desc.width,
+            .height = texture.desc.height,
+            .depth  = texture.desc.depth,
+        },
+    };
+
+    vkCmdCopyBufferToImage(handle, buffer.handle, texture.handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &buffer_to_image_copy);
+}