From 8045b8ba04aae39a4cf9733e72413f648b6ebe2b Mon Sep 17 00:00:00 2001
From: tylermurphy534 <tylermurphy534@gmail.com>
Date: Sun, 18 Sep 2022 21:20:51 -0400
Subject: stanford dragon rendering

---
 engine/xe_renderer.hpp | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 engine/xe_renderer.hpp

(limited to 'engine/xe_renderer.hpp')

diff --git a/engine/xe_renderer.hpp b/engine/xe_renderer.hpp
new file mode 100644
index 0000000..321a4e3
--- /dev/null
+++ b/engine/xe_renderer.hpp
@@ -0,0 +1,55 @@
+#pragma once
+
+#include "xe_swap_chain.hpp"
+#include "xe_window.hpp"
+#include "xe_device.hpp"
+#include "xe_model.hpp"
+
+#include <memory>
+#include <vector>
+#include <cassert>
+
+namespace xe {
+class XeRenderer {
+  public:
+
+    XeRenderer(XeWindow &window, XeDevice &device);
+    ~XeRenderer();
+
+    XeRenderer(const XeRenderer &) = delete;
+    XeRenderer operator=(const XeRenderer &) = delete;
+
+    VkRenderPass getSwapChainRenderPass() const { return xeSwapChain->getRenderPass(); }
+    float getAspectRatio() const { return xeSwapChain->extentAspectRatio(); }
+    bool isFrameInProgress() const { return isFrameStarted; }
+
+    VkCommandBuffer getCurrentCommandBuffer() const { 
+      assert(isFrameStarted && "Cannot get command buffer when frame not in progress");
+      return commandBuffers[currentFrameIndex];
+    }
+
+    int getFrameIndex() const {
+      assert(isFrameStarted && "Cannot get frame index when frame not in progress");
+      return currentFrameIndex;
+    }
+
+    VkCommandBuffer beginFrame();
+    void endFrame();
+    void beginSwapChainRenderPass(VkCommandBuffer commandBuffer);
+    void endSwapChainRenderPass(VkCommandBuffer commandBuffer);
+
+  private:
+    void createCommandBuffers();
+    void freeCommandBuffers();
+    void recreateSwapChain();
+
+    XeWindow& xeWindow;
+    XeDevice& xeDevice;
+    std::unique_ptr<XeSwapChain> xeSwapChain;
+    std::vector<VkCommandBuffer> commandBuffers;
+
+    uint32_t currentImageIndex;
+    int currentFrameIndex{0};
+    bool isFrameStarted{false};
+};
+}
\ No newline at end of file
-- 
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