depthStencil: added cast in pixels/second computation to avoid int overflow

This fixes the negative rates that were sometimes reported.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/glean/tdepthstencil.cpp b/src/glean/tdepthstencil.cpp
index 54e97df..ad672ef 100644
--- a/src/glean/tdepthstencil.cpp
+++ b/src/glean/tdepthstencil.cpp
@@ -261,7 +261,8 @@ DepthStencilTest::readPixelsRate(GLenum format, GLenum type)
 
 	delete [] img;
 
-	double rate = width * height * iterations / elapsedTime;
+	double rate = width * height * (double) iterations / elapsedTime;
+	assert(rate > 0.0);
 	return rate;  // pixels/second
 }