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fix polyphase filter

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This commit is contained in:
castano 2010-05-27 19:28:49 +00:00
parent 8cbd2c9ec6
commit 56401d5f7d
1 changed files with 2 additions and 2 deletions
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4
src/nvimage/FloatImage.cpp
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@ -506,8 +506,8 @@ FloatImage * FloatImage::fastDownSample() const
float f = 0.0f; float f = 0.0f;
f += v0 * (w0 * src[0 * m_width + 2 * x] + w1 * src[0 * m_width + 2 * x + 1] + w2 * src[0 * m_width + 2 * x + 2]); f += v0 * (w0 * src[0 * m_width + 2 * x] + w1 * src[0 * m_width + 2 * x + 1] + w2 * src[0 * m_width + 2 * x + 2]);
f += v1 * (w0 * src[1 * m_width + 2 * x] + w1 * src[1 * m_width + 2 * x + 1] + w2 * src[0 * m_width + 2 * x + 2]); f += v1 * (w0 * src[1 * m_width + 2 * x] + w1 * src[1 * m_width + 2 * x + 1] + w2 * src[1 * m_width + 2 * x + 2]);
f += v2 * (w0 * src[2 * m_width + 2 * x] + w1 * src[2 * m_width + 2 * x + 1] + w2 * src[0 * m_width + 2 * x + 2]); f += v2 * (w0 * src[2 * m_width + 2 * x] + w1 * src[2 * m_width + 2 * x + 1] + w2 * src[2 * m_width + 2 * x + 2]);
*dst = f * scale; *dst = f * scale;
dst++; dst++;