RenderBase: Let the Auto Adjust Window Size option request the final image size rather than the raw framebuffer size.

1 files changed, 38 insertions, 1 deletions

diff --git a/Source/Core/VideoCommon/RenderBase.cpp b/Source/Core/VideoCommon/RenderBase.cpp
index b41b892f99..cf9c23f7b1 100644
--- a/Source/Core/VideoCommon/RenderBase.cpp
+++ b/Source/Core/VideoCommon/RenderBase.cpp
@@ -586,7 +586,12 @@ void Renderer::UpdateDrawRectangle()
   float Ratio = CalculateDrawAspectRatio(s_backbuffer_width, s_backbuffer_height);
   if (g_ActiveConfig.iAspectRatio != ASPECT_STRETCH)
   {
-    if (Ratio > 1.0f)
+    if (Ratio >= 0.995f && Ratio <= 1.005f)
+    {
+      // If we're very close already, don't scale.
+      Ratio = 1.0f;
+    }
+    else if (Ratio > 1.0f)
     {
       // Scale down and center in the X direction.
       FloatGLWidth /= Ratio;
@@ -648,6 +653,38 @@ void Renderer::SetWindowSize(int width, int height)
   // Scale the window size by the EFB scale.
   CalculateTargetScale(width, height, &width, &height);
 
+  float scaled_width, scaled_height;
+  std::tie(scaled_width, scaled_height) = ScaleToDisplayAspectRatio(width, height);
+
+  if (g_ActiveConfig.bCrop)
+  {
+    // Force 4:3 or 16:9 by cropping the image.
+    float current_aspect = scaled_width / scaled_height;
+    float expected_aspect =
+        (g_ActiveConfig.iAspectRatio == ASPECT_ANALOG_WIDE ||
+         (g_ActiveConfig.iAspectRatio != ASPECT_ANALOG && Core::g_aspect_wide)) ?
+            (16.0f / 9.0f) :
+            (4.0f / 3.0f);
+    if (current_aspect > expected_aspect)
+    {
+      // keep height, crop width
+      scaled_width = scaled_height * expected_aspect;
+    }
+    else
+    {
+      // keep width, crop height
+      scaled_height = scaled_width / expected_aspect;
+    }
+  }
+
+  width = static_cast<int>(std::ceil(scaled_width));
+  height = static_cast<int>(std::ceil(scaled_height));
+
+  // UpdateDrawRectangle() makes sure that the rendered image is divisible by four for video
+  // encoders, so do that here too to match it
+  width -= width % 4;
+  height -= height % 4;
+
   Host_RequestRenderWindowSize(width, height);
 }