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make_current() should be unneeded before flip

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This commit is contained in:
David Rose 2004-03-02 21:02:12 +00:00
parent a39aa8f71c
commit baea752ded
3 changed files with 5 additions and 3 deletions
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1
panda/src/dxgsg8/wdxGraphicsWindow8.cxx
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@ -254,7 +254,6 @@ begin_frame() {
void wdxGraphicsWindow8::
end_flip() {
if (_dxgsg != (DXGraphicsStateGuardian8 *)NULL && is_active()) {
make_current();
// wdxdisplay8_cat.debug() << "current swapchain from end_flip is " << _wcontext.pSwapChain << "\n";
_dxgsg->show_frame();
}

1
panda/src/dxgsg9/wdxGraphicsWindow9.cxx
View File

@ -255,7 +255,6 @@ begin_frame() {
void wdxGraphicsWindow9::
end_flip() {
if (_dxgsg != (DXGraphicsStateGuardian9 *)NULL && is_active()) {
make_current();
//wdxdisplay9_cat.debug() << "current swapchain from end_flip is " << _wcontext.pSwapChain << "\n";
_dxgsg->show_frame();
}

6
panda/src/wgldisplay/wglGraphicsWindow.cxx
View File

@ -208,7 +208,11 @@ begin_flip() {
// calling SwapBuffers() on a Matrix card, we crash a horrible
// death. This is a pity since make_current() seems unnecessary
// on other cards, and does incur some performance overhead.
make_current();
// Let's see if this is still necessary now that we guarantee
// begin_flip() is not called until end_frame() has successfully
// rendered.
//make_current();
SwapBuffers(_hdc);
}