moving files to better dirs

engine/src/resources/render_target.cpp

@@ -0,0 +1,52 @@
+#include "resources/render_target.hpp"
+
+#include <algorithm>
+
+namespace sophia {
+
+RenderTarget::RenderTarget(Device& device, vk::Format format, u32 width,
+                           u32 height)
+    : device{device}, format{format} {
+  create(std::max(width, 1u), std::max(height, 1u));
+}
+
+RenderTarget::~RenderTarget() { destroy(); }
+
+vk::Extent2D RenderTarget::getExtent() const {
+  vk::Extent3D extent = this->image->getExtent();
+  return {extent.width, extent.height};
+}
+
+void RenderTarget::requestResize(u32 width, u32 height) {
+  this->pendingExtent = vk::Extent2D{std::max(width, 1u), std::max(height, 1u)};
+}
+
+void RenderTarget::applyPendingResize() {
+  if (!this->pendingExtent) {
+    return;
+  }
+
+  vk::Extent2D extent = *this->pendingExtent;
+  this->pendingExtent.reset();
+  if (extent == getExtent()) {
+    return;
+  }
+
+  // Earlier frames may still be sampling the old image (e.g. through the UI).
+  this->device.waitIdle();
+  destroy();
+  create(extent.width, extent.height);
+}
+
+void RenderTarget::create(u32 width, u32 height) {
+  this->image = Image::Builder(this->device)
+                    .setExtent(width, height)
+                    .setFormat(this->format)
+                    .asColorAttachment()
+                    .withView()
+                    .build();
+}
+
+void RenderTarget::destroy() { this->image.reset(); }
+
+}  // namespace sophia