Filtering fix for out of bounds blit

Removed a conversion to integer which was removing all subpixel precision from coordinates when using clampToEdge. Passes all out of bounds cases (this cl should only affect these cases). Fixes: dEQP-GLES3.functional.fbo.blit.default_framebuffer.srgb8_alpha8_linear_out_of_bounds_blit_from_default Change-Id: Id7cef212ea2b739ef22148779dbc1228628e4440 Reviewed-on: https://swiftshader-review.googlesource.com/15988Tested-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Nicolas Capens <nicolascapens@google.com>

Filtering fix for out of bounds blit
d80d4c4b · Alexis Hetu · Alexis Hétu · d0a459fb · d80d4c4b
Commit d80d4c4b authored Jan 09, 2018 by Alexis Hetu Committed by Alexis Hétu Jan 09, 2018
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Blitter.cpp src/Renderer/Blitter.cpp +2 -2

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--- a/src/Renderer/Blitter.cpp
+++ b/src/Renderer/Blitter.cpp
@@ -1315,8 +1315,8 @@ namespace sw

 							if(state.clampToEdge)
 							{
-								X = Float(Clamp(Int(x), 0, sWidth - 1));
-								Y = Float(Clamp(Int(y), 0, sHeight - 1));
+								X = Min(Max(x, 0.5f), Float(sWidth) - 0.5f);
+								Y = Min(Max(y, 0.5f), Float(sHeight) - 0.5f);
 							}

 							Float x0 = X - 0.5f;