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Use absolute dimensions of viewport to calculate aspect ratio. Refs #856

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* On vulkan the viewport height could be negative to flip the NDC, but
  we don't care about its sign only its magnitude to calculate the
  aspect ratio.
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baldurk
2018-02-02 22:07:31 +00:00
parent 022d46ab7d
commit 477d5b6557
1 changed files with 6 additions and 1 deletions
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renderdocui/Windows/BufferViewer.cs
+6 -1
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@@ -3131,8 +3131,13 @@ namespace renderdocui.Windows
m_MeshDisplay.aspect = 1.0f;
Viewport vp = m_Core.CurPipelineState.GetViewport(0);
float vpWidth = Math.Abs(vp.width);
float vpHeight = Math.Abs(vp.height);
// take a guess for the aspect ratio, for if the user hasn't overridden it
m_MeshDisplay.aspect = m_Core.CurPipelineState.GetViewport(0).width / m_Core.CurPipelineState.GetViewport(0).height;
m_MeshDisplay.aspect = (vpWidth > 0.0f && vpHeight > 0.0f) ? (vpWidth / vpHeight) : 1.0f;
if (aspectGuess.Text.Length > 0 && float.TryParse(aspectGuess.Text, out m_MeshDisplay.aspect))
aspectGuess.Text = m_MeshDisplay.aspect.ToString("G");