diff options
| -rw-r--r-- | source/blender/compositor/operations/COM_MapRangeOperation.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/source/blender/compositor/operations/COM_MapRangeOperation.cpp b/source/blender/compositor/operations/COM_MapRangeOperation.cpp index a18f418e48e..1fe74ade0fc 100644 --- a/source/blender/compositor/operations/COM_MapRangeOperation.cpp +++ b/source/blender/compositor/operations/COM_MapRangeOperation.cpp @@ -43,6 +43,9 @@ void MapRangeOperation::initExecution() this->m_destMaxOperation = this->getInputSocketReader(4); } +/* The code below assumes all data is inside range +- this, and that input buffer is single channel */ +#define BLENDER_ZMAX 10000.0f + void MapRangeOperation::executePixel(float output[4], float x, float y, PixelSampler sampler) { float inputs[8]; /* includes the 5 inputs + 3 pads */ @@ -61,9 +64,15 @@ void MapRangeOperation::executePixel(float output[4], float x, float y, PixelSam source_max = inputs[2]; dest_min = inputs[3]; dest_max = inputs[4]; - - value = (value - source_min) / (source_max - source_min); - value = dest_min + value * (dest_max - dest_min); + + if (value >= -BLENDER_ZMAX && value <= BLENDER_ZMAX) { + value = (value - source_min) / (source_max - source_min); + value = dest_min + value * (dest_max - dest_min); + } + else if (value > BLENDER_ZMAX) + value = dest_max; + else + value = dest_min; if (this->m_useClamp) { if (dest_max > dest_min) { |