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Fix opengl errors when the file is modified with a minimized detached video window open 

Originally committed to SVN as r6257.
This commit is contained in:
Thomas Goyne 2012-01-09 20:31:38 +00:00
parent 93c96d1f82
commit cd48b711b4
1 changed files with 12 additions and 4 deletions
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16
aegisub/src/video_display.cpp
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@ -140,10 +140,17 @@ VideoDisplay::~VideoDisplay () {
}
bool VideoDisplay::InitContext() {
if (!IsShownOnScreen()) return false;
if (!glContext.get()) {
if (!IsShownOnScreen())
return false;
// If this display is in a minimized detached dialog IsShownOnScreen will
// return true, but the client size is guaranteed to be 0
if (GetClientSize() == wxSize(0, 0))
return false;
if (!glContext)
glContext.reset(new wxGLContext(this));
}
SetCurrent(*glContext.get());
return true;
}
@ -183,7 +190,8 @@ void VideoDisplay::OnVideoOpen() {
}
void VideoDisplay::Render() try {
if (!InitContext() || !con->videoController->IsLoaded() || !videoOut) return;
if (!InitContext() || !con->videoController->IsLoaded() || !videoOut)
return;
if (!viewport_height || !viewport_width)
UpdateSize();