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Compositor: Simplify logic in keying blur operation

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This commit is contained in:
Sergey Sharybin
2014-10-01 16:36:28 +06:00
parent db62a80869
commit 957b945a18
1 changed files with 14 additions and 24 deletions
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38
source/blender/compositor/operations/COM_KeyingBlurOperation.cpp
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@@ -49,37 +49,27 @@ void *KeyingBlurOperation::initializeTileData(rcti *rect)
void KeyingBlurOperation::executePixel(float output[4], int x, int y, void *data)
{
MemoryBuffer *inputBuffer = (MemoryBuffer *)data;
const int bufferWidth = inputBuffer->getWidth();
float *buffer = inputBuffer->getBuffer();
int bufferWidth = inputBuffer->getWidth();
int bufferHeight = inputBuffer->getHeight();
int i, count = 0;
int count = 0;
float average = 0.0f;
if (this->m_axis == 0) {
for (i = -this->m_size + 1; i < this->m_size; i++) {
int cx = x + i;
if (cx >= 0 && cx < bufferWidth) {
int bufferIndex = (y * bufferWidth + cx) * 4;
average += buffer[bufferIndex];
count++;
}
const int start = max(0, x - this->m_size + 1),
end = min(bufferWidth, x + this->m_size);
for (int cx = start; cx < end; ++cx) {
int bufferIndex = (y * bufferWidth + cx) * 4;
average += buffer[bufferIndex];
count++;
}
}
else {
for (i = -this->m_size + 1; i < this->m_size; i++) {
int cy = y + i;
if (cy >= 0 && cy < bufferHeight) {
int bufferIndex = (cy * bufferWidth + x) * 4;
average += buffer[bufferIndex];
count++;
}
const int start = max(0, y - this->m_size + 1),
end = min(inputBuffer->getHeight(), y + this->m_size);
for (int cy = start; cy < end; ++cy) {
int bufferIndex = (cy * bufferWidth + x) * 4;
average += buffer[bufferIndex];
count++;
}
}