diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_AlphaOverKeyOperation.cpp')
| -rw-r--r-- | source/blender/compositor/operations/COM_AlphaOverKeyOperation.cpp | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/source/blender/compositor/operations/COM_AlphaOverKeyOperation.cpp b/source/blender/compositor/operations/COM_AlphaOverKeyOperation.cpp index c891142b808..e614e1fa15a 100644 --- a/source/blender/compositor/operations/COM_AlphaOverKeyOperation.cpp +++ b/source/blender/compositor/operations/COM_AlphaOverKeyOperation.cpp @@ -22,8 +22,9 @@ #include "COM_AlphaOverKeyOperation.h" -AlphaOverKeyOperation::AlphaOverKeyOperation(): MixBaseOperation() +AlphaOverKeyOperation::AlphaOverKeyOperation() : MixBaseOperation() { + /* pass */ } void AlphaOverKeyOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) @@ -37,24 +38,18 @@ void AlphaOverKeyOperation::executePixel(float *outputValue, float x, float y, P inputColor2Operation->read(inputOverColor, x, y, sampler, inputBuffers); if (inputOverColor[3] <= 0.0f) { - outputValue[0] = inputColor1[0]; - outputValue[1] = inputColor1[1]; - outputValue[2] = inputColor1[2]; - outputValue[3] = inputColor1[3]; + copy_v4_v4(outputValue, inputColor1); } else if (value[0] == 1.0f && inputOverColor[3] >= 1.0f) { - outputValue[0] = inputOverColor[0]; - outputValue[1] = inputOverColor[1]; - outputValue[2] = inputOverColor[2]; - outputValue[3] = inputOverColor[3]; + copy_v4_v4(outputValue, inputOverColor); } else { - float premul = value[0]*inputOverColor[3]; + float premul = value[0] * inputOverColor[3]; float mul = 1.0f - premul; - outputValue[0] = (mul*inputColor1[0]) + premul*inputOverColor[0]; - outputValue[1] = (mul*inputColor1[1]) + premul*inputOverColor[1]; - outputValue[2] = (mul*inputColor1[2]) + premul*inputOverColor[2]; - outputValue[3] = (mul*inputColor1[3]) + value[0]*inputOverColor[3]; + outputValue[0] = (mul * inputColor1[0]) + premul * inputOverColor[0]; + outputValue[1] = (mul * inputColor1[1]) + premul * inputOverColor[1]; + outputValue[2] = (mul * inputColor1[2]) + premul * inputOverColor[2]; + outputValue[3] = (mul * inputColor1[3]) + value[0] * inputOverColor[3]; } } |