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Fix for subpixel sampling was broken for render layers node

This commit is contained in:
Sergey Sharybin 2014-06-30 18:03:59 +06:00
parent a71a8be5cf
commit ca8d8f5e52
Notes: blender-bot 2023-02-14 10:23:41 +01:00 
Referenced by issue #40903, Rendering: Alpha Channel is Broken.
1 changed files with 4 additions and 16 deletions
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20
source/blender/compositor/operations/COM_RenderLayersProg.cpp
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@ -142,16 +142,13 @@ void RenderLayersBaseProg::executePixelSampled(float output[4], float x, float y
int ix = x - dx;
int iy = y - dy;
#else
int ix = x;
int iy = y;
#endif
if (this->m_inputBuffer == NULL) {
zero_v4(output);
}
else {
doInterpolation(output, ix, iy, sampler);
doInterpolation(output, x, y, sampler);
}
}
@ -204,22 +201,13 @@ RenderLayersAlphaProg::RenderLayersAlphaProg() : RenderLayersBaseProg(SCE_PASS_C
void RenderLayersAlphaProg::executePixelSampled(float output[4], float x, float y, PixelSampler sampler)
{
int ix = x;
int iy = y;
float *inputBuffer = this->getInputBuffer();
if (inputBuffer == NULL || ix < 0 || iy < 0 || ix >= (int)this->getWidth() || iy >= (int)this->getHeight() ) {
output[0] = 0.0f;
output[1] = 0.0f;
output[2] = 0.0f;
output[3] = 0.0f;
if (inputBuffer == NULL) {
zero_v4(output);
}
else {
unsigned int offset = (iy * this->getWidth() + ix) * 4;
output[0] = inputBuffer[offset + 3];
output[1] = 0.0f;
output[2] = 0.0f;
output[3] = 0.0f;
doInterpolation(output, x, y, sampler);
}
}