From e3e7fcb226a9401881426dca9a66b5e2d520ef9a Mon Sep 17 00:00:00 2001
From: castano <castano@95f4ed2b-212e-0410-8b90-d31948207fce>
Date: Thu, 28 Feb 2008 17:52:32 +0000
Subject: [PATCH] Check cuda errors to find out whether the cuda context
 initialization succeeded.

---
 src/nvtt/cuda/CudaCompressDXT.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/nvtt/cuda/CudaCompressDXT.cpp b/src/nvtt/cuda/CudaCompressDXT.cpp
index 6ee3ff5..433f318 100644
--- a/src/nvtt/cuda/CudaCompressDXT.cpp
+++ b/src/nvtt/cuda/CudaCompressDXT.cpp
@@ -109,6 +109,12 @@ CudaCompressor::~CudaCompressor()
 
 bool CudaCompressor::isValid() const
 {
+#if defined HAVE_CUDA
+	if (cudaGetLastError() != cudaSuccess)
+   	{
+		return false;
+	}
+#endif
 	return m_data != NULL && m_result != NULL && m_bitmapTable != NULL;
 }