tree 370aa616434bc2c4272653ca58845197b44a0177
parent 30847688f05927c32855b8ecf20465fc91fa893d
author Sean Risser <srisser@google.com> 1568655737 -0400
committer Sean Risser <srisser@google.com> 1568659646 +0000

Fix integer overflows in ClipSrcRect

While blitting, it's possible to generate a float that is outside the
representable values of an integer. Since converting such a float
results in undefined behavior, we instead throw an invalid operation
error and return without continuing the blit.

Bug chromium:1001874

Change-Id: Ic6938adf75176e34021d0ca1404176e4979a3ca6
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/36408
Reviewed-by: Alexis Hétu <sugoi@google.com>
Tested-by: Sean Risser <srisser@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>