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Unified Diff: chrome/browser/renderer_host/render_widget_host_view_win.cc

Issue 7054061: Ensure that the GPU compositing window does not have zero area on windows. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 9 years, 7 months ago
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Index: chrome/browser/renderer_host/render_widget_host_view_win.cc
===================================================================
--- chrome/browser/renderer_host/render_widget_host_view_win.cc (revision 87636)
+++ chrome/browser/renderer_host/render_widget_host_view_win.cc (working copy)
@@ -1549,9 +1549,14 @@
RECT currentRect;
GetClientRect(&currentRect);
- int width = currentRect.right - currentRect.left;
- int height = currentRect.bottom - currentRect.top;
+ // Ensure window does not have zero area because D3D cannot create a zero
+ // area swap chain.
+ int width = std::max(1,
+ static_cast<int>(currentRect.right - currentRect.left));
+ int height = std::max(1,
+ static_cast<int>(currentRect.bottom - currentRect.top));
+
compositor_host_window_ = CreateWindowEx(
WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR,
MAKEINTATOM(window_class), 0,
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