Vulcan Nightmare

Experimentally bringing up vulcan support

include/rendering/vk_utils.hpp

@@ -0,0 +1,60 @@
+#pragma once
+
+#include <vulkan/vulkan.h>
+#include <vk_mem_alloc.h>
+#include <cstdint>
+
+namespace wowee {
+namespace rendering {
+
+class VkContext;
+
+struct AllocatedBuffer {
+    VkBuffer buffer = VK_NULL_HANDLE;
+    VmaAllocation allocation = VK_NULL_HANDLE;
+    VmaAllocationInfo info{};
+};
+
+struct AllocatedImage {
+    VkImage image = VK_NULL_HANDLE;
+    VmaAllocation allocation = VK_NULL_HANDLE;
+    VkImageView imageView = VK_NULL_HANDLE;
+    VkExtent2D extent{};
+    VkFormat format = VK_FORMAT_UNDEFINED;
+};
+
+// Buffer creation
+AllocatedBuffer createBuffer(VmaAllocator allocator, VkDeviceSize size,
+    VkBufferUsageFlags usage, VmaMemoryUsage memoryUsage);
+
+void destroyBuffer(VmaAllocator allocator, AllocatedBuffer& buffer);
+
+// Image creation
+AllocatedImage createImage(VkDevice device, VmaAllocator allocator,
+    uint32_t width, uint32_t height, VkFormat format,
+    VkImageUsageFlags usage, VkSampleCountFlagBits samples = VK_SAMPLE_COUNT_1_BIT,
+    uint32_t mipLevels = 1);
+
+void destroyImage(VkDevice device, VmaAllocator allocator, AllocatedImage& image);
+
+// Image layout transitions
+void transitionImageLayout(VkCommandBuffer cmd, VkImage image,
+    VkImageLayout oldLayout, VkImageLayout newLayout,
+    VkPipelineStageFlags srcStage = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
+    VkPipelineStageFlags dstStage = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT);
+
+// Staging upload helper — copies CPU data to a GPU-local buffer
+AllocatedBuffer uploadBuffer(VkContext& ctx, const void* data, VkDeviceSize size,
+    VkBufferUsageFlags usage);
+
+// Check VkResult and log on failure
+inline bool vkCheck(VkResult result, const char* msg) {
+    if (result != VK_SUCCESS) {
+        // Caller should log the message
+        return false;
+    }
+    return true;
+}
+
+} // namespace rendering
+} // namespace wowee