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Skip rendering if alpha is 0.0

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This commit is contained in:
ocornut 2014-08-18 13:20:57 +01:00
parent c5dacee3a7
commit ca027e1754
1 changed files with 30 additions and 25 deletions
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5
imgui.cpp
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@ -1401,6 +1401,10 @@ void Render()
memset(g.IO.InputCharacters, 0, sizeof(g.IO.InputCharacters)); memset(g.IO.InputCharacters, 0, sizeof(g.IO.InputCharacters));
} }
// Skip render altogether if alpha is 0.0
// Note that vertex buffers have been created, so it is best practice that you don't call Begin/End in the first place.
if (g.Style.Alpha > 0.0f)
{
// Render tooltip // Render tooltip
if (g.Tooltip[0]) if (g.Tooltip[0])
{ {
@ -1430,6 +1434,7 @@ void Render()
g.IO.RenderDrawListsFn(&g.RenderDrawLists[0], (int)g.RenderDrawLists.size()); g.IO.RenderDrawListsFn(&g.RenderDrawLists[0], (int)g.RenderDrawLists.size());
g.RenderDrawLists.resize(0); g.RenderDrawLists.resize(0);
} }
}
// Find the optional ## from which we stop displaying text. // Find the optional ## from which we stop displaying text.
static const char* FindTextDisplayEnd(const char* text, const char* text_end = NULL) static const char* FindTextDisplayEnd(const char* text, const char* text_end = NULL)