Added IContext::getAspectRatio()

corporateshark · Oct 6, 2024 · 53f5f00 · 53f5f00
1 parent c3a240b
commit 53f5f00
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Showing 3 changed files with 18 additions and 0 deletions.
diff --git a/lvk/LVK.h b/lvk/LVK.h
@@ -1024,6 +1024,7 @@ class IContext {
   virtual Result upload(TextureHandle handle, const TextureRangeDesc& range, const void* data) = 0;
   virtual Result download(TextureHandle handle, const TextureRangeDesc& range, void* outData) = 0;
   [[nodiscard]] virtual Dimensions getDimensions(TextureHandle handle) const = 0;
+  [[nodiscard]] virtual float getAspectRatio(TextureHandle handle) const = 0;
   [[nodiscard]] virtual Format getFormat(TextureHandle handle) const = 0;
 #pragma endregion
 

diff --git a/lvk/vulkan/VulkanClasses.cpp b/lvk/vulkan/VulkanClasses.cpp
@@ -5102,6 +5102,22 @@ lvk::Dimensions lvk::VulkanContext::getDimensions(TextureHandle handle) const {
   };
 }
 
+float lvk::VulkanContext::getAspectRatio(TextureHandle handle) const {
+  if (!handle) {
+    return 1.0f;
+  }
+
+  const lvk::VulkanImage* tex = texturesPool_.get(handle);
+
+  LVK_ASSERT(tex);
+
+  if (!tex) {
+    return 1.0f;
+  }
+
+  return static_cast<float>(tex->vkExtent_.width) / static_cast<float>(tex->vkExtent_.height);
+}
+
 void lvk::VulkanContext::generateMipmap(TextureHandle handle) const {
   if (handle.empty()) {
     return;

diff --git a/lvk/vulkan/VulkanClasses.h b/lvk/vulkan/VulkanClasses.h
@@ -516,6 +516,7 @@ class VulkanContext final : public IContext {
   Result upload(TextureHandle handle, const TextureRangeDesc& range, const void* data) override;
   Result download(TextureHandle handle, const TextureRangeDesc& range, void* outData) override;
   Dimensions getDimensions(TextureHandle handle) const override;
+  float getAspectRatio(TextureHandle handle) const override;
   Format getFormat(TextureHandle handle) const override;
 
   TextureHandle getCurrentSwapchainTexture() override;