Vulcan Nightmare

Experimentally bringing up vulcan support

include/rendering/vk_shader.hpp

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <vulkan/vulkan.h>
+#include <string>
+#include <vector>
+
+namespace wowee {
+namespace rendering {
+
+class VkShaderModule {
+public:
+    VkShaderModule() = default;
+    ~VkShaderModule();
+
+    VkShaderModule(const VkShaderModule&) = delete;
+    VkShaderModule& operator=(const VkShaderModule&) = delete;
+    VkShaderModule(VkShaderModule&& other) noexcept;
+    VkShaderModule& operator=(VkShaderModule&& other) noexcept;
+
+    // Load a SPIR-V file from disk
+    bool loadFromFile(VkDevice device, const std::string& path);
+
+    // Load from raw SPIR-V bytes
+    bool loadFromMemory(VkDevice device, const uint32_t* code, size_t sizeBytes);
+
+    void destroy();
+
+    ::VkShaderModule getModule() const { return module_; }
+    bool isValid() const { return module_ != VK_NULL_HANDLE; }
+
+    // Create a VkPipelineShaderStageCreateInfo for this module
+    VkPipelineShaderStageCreateInfo stageInfo(VkShaderStageFlagBits stage,
+        const char* entryPoint = "main") const;
+
+private:
+    VkDevice device_ = VK_NULL_HANDLE;
+    ::VkShaderModule module_ = VK_NULL_HANDLE;
+};
+
+// Convenience: load a shader stage directly from a .spv file
+VkPipelineShaderStageCreateInfo loadShaderStage(VkDevice device,
+    const std::string& path, VkShaderStageFlagBits stage);
+
+} // namespace rendering
+} // namespace wowee