drewcassidy/nvidia-texture-tools
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prevent overflow when compressing large images.

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This commit is contained in:
castano 2008-02-05 22:41:58 +00:00
parent 283cdabc64
commit e1d5bda3e9
1 changed files with 6 additions and 4 deletions
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10
src/nvtt/tools/compress.cpp
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@ -42,7 +42,7 @@ struct MyOutputHandler : public nvtt::OutputHandler
MyOutputHandler(const char * name) : total(0), progress(0), percentage(0), stream(new nv::StdOutputStream(name)) {} MyOutputHandler(const char * name) : total(0), progress(0), percentage(0), stream(new nv::StdOutputStream(name)) {}
virtual ~MyOutputHandler() { delete stream; } virtual ~MyOutputHandler() { delete stream; }
virtual void setTotal(int t) virtual void setTotal(int64 t)
{ {
total = t + 128; total = t + 128;
} }
@ -63,9 +63,11 @@ struct MyOutputHandler : public nvtt::OutputHandler
stream->serialize(const_cast<void *>(data), size); stream->serialize(const_cast<void *>(data), size);
progress += size; progress += size;
int p = (100 * progress) / total; int p = int((100 * progress) / total);
if (verbose && p != percentage) if (verbose && p != percentage)
{ {
nvCheck(p >= 0);
percentage = p; percentage = p;
printf("\r%d%%", percentage); printf("\r%d%%", percentage);
fflush(stdout); fflush(stdout);
@ -74,8 +76,8 @@ struct MyOutputHandler : public nvtt::OutputHandler
return true; return true;
} }
int total; int64 total;
int progress; int64 progress;
int percentage; int percentage;
bool verbose; bool verbose;
nv::StdOutputStream * stream; nv::StdOutputStream * stream;