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Virtual frame buffer #306

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04bb49c
Issue #199 Virtual framebuffer to reduce missed FillRect
k1o0 Sep 4, 2020
d55b738
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k1o0 Sep 8, 2020
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15 changes: 13 additions & 2 deletions +hw/+ptb/Window.m
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,9 @@
% When true test synchronization to retrace upon open. Defaults to
% global preference (usually true). See 'Screen SkipSyncTests?'
PtbSyncTests
% When on, the PsychImaging pipeline is activated and a virtual
% framebuffer is used
VirtualFramebuffer matlab.lang.OnOffSwitchState = 'off'
end

properties (SetAccess = protected)
Expand Down Expand Up @@ -283,8 +286,16 @@ function open(obj)
% Perhaps this shouldn't be set after setting 'Verbosity'?

% setup screen window
obj.PtbHandle = Screen('OpenWindow', obj.ScreenNum, obj.BackgroundColour,...
obj.OpenBounds, obj.PxDepth);
if obj.VirtualFramebuffer == "on"
% Enable imaging pipeline and virtual framebuffer
PsychImaging('PrepareConfiguration');
PsychImaging('AddTask', 'General', 'UseVirtualFramebuffer');
obj.PtbHandle = PsychImaging('OpenWindow', ...
obj.ScreenNum, obj.BackgroundColour, obj.OpenBounds, obj.PxDepth);
else
obj.PtbHandle = Screen('OpenWindow', ...
obj.ScreenNum, obj.BackgroundColour, obj.OpenBounds, obj.PxDepth);
end
obj.PxDepth = Screen('PixelSize', obj.PtbHandle);
obj.Bounds = Screen('Rect', obj.PtbHandle);

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2 changes: 1 addition & 1 deletion alyx-matlab
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Submodule alyx-matlab updated 5 files
+7 −6 @Alyx/newExp.m
+2 −1 CHANGELOG.md
+3 −3 README.md
+17 −29 docs/AlyxMatlabPrimer.m
+38 −13 tests/Alyx_test.m