Accumulate filter sums using doubles to avoid unsymmetries. Fixes issue 167.

2011-09-14 17:51:09 +00:00
parent 02709e1699
commit b68d428492
3 changed files with 11 additions and 6 deletions
--- a/src/nvtt/cuda/CudaUtils.cpp
+++ b/src/nvtt/cuda/CudaUtils.cpp
@ -23,7 +23,7 @@
 // OTHER DEALINGS IN THE SOFTWARE.

 #include "nvcore/Debug.h"
-#include "nvcore/Library.h"
+//#include "nvcore/Library.h"
 #include "CudaUtils.h"

 #if defined HAVE_CUDA
--- a/src/nvtt/tools/compress.cpp
+++ b/src/nvtt/tools/compress.cpp
@ -453,7 +453,7 @@ int main(int argc, char *argv[])
    // Block compressed textures with mipmaps must be powers of two.
    if (!noMipmaps && format != nvtt::Format_RGB)
    {
-        inputOptions.setRoundMode(nvtt::RoundMode_ToNearestPowerOfTwo);
+        inputOptions.setRoundMode(nvtt::RoundMode_ToPreviousPowerOfTwo);
    }

    if (normal)