diff options
author | Jeroen Bakker <jeroen@blender.org> | 2021-05-26 10:28:01 +0300 |
---|---|---|
committer | Jeroen Bakker <jeroen@blender.org> | 2021-05-26 11:46:46 +0300 |
commit | e6c0e6c2a93f4fb73988fa0559ba9d88017c36a9 (patch) | |
tree | 0bf6c3997eeabd5d9136b528a5851241e34bb89c | |
parent | 1e6b0285804c24ba7a46c10c9a00a865e282363a (diff) |
Compositor: Use BLI_color in convert alpha node.
Recently the CPP colors module landed in master. This patch will use the
new module in the convert alpha node.
-rw-r--r-- | source/blender/compositor/operations/COM_ConvertOperation.cc | 35 |
1 files changed, 10 insertions, 25 deletions
diff --git a/source/blender/compositor/operations/COM_ConvertOperation.cc b/source/blender/compositor/operations/COM_ConvertOperation.cc index 2ea15185c0f..384936533c7 100644 --- a/source/blender/compositor/operations/COM_ConvertOperation.cc +++ b/source/blender/compositor/operations/COM_ConvertOperation.cc @@ -18,6 +18,8 @@ #include "COM_ConvertOperation.h" +#include "BLI_color.hh" + #include "IMB_colormanagement.h" namespace blender::compositor { @@ -355,21 +357,10 @@ void ConvertPremulToStraightOperation::executePixelSampled(float output[4], float y, PixelSampler sampler) { - float inputValue[4]; - float alpha; - - this->m_inputOperation->readSampled(inputValue, x, y, sampler); - alpha = inputValue[3]; - - if (fabsf(alpha) < 1e-5f) { - zero_v3(output); - } - else { - mul_v3_v3fl(output, inputValue, 1.0f / alpha); - } - - /* never touches the alpha */ - output[3] = alpha; + ColorSceneLinear4f<eAlpha::Premultiplied> input; + this->m_inputOperation->readSampled(input, x, y, sampler); + ColorSceneLinear4f<eAlpha::Straight> converted = input.unpremultiply_alpha(); + copy_v4_v4(output, converted); } /* ******** Straight to Premul ******** */ @@ -385,16 +376,10 @@ void ConvertStraightToPremulOperation::executePixelSampled(float output[4], float y, PixelSampler sampler) { - float inputValue[4]; - float alpha; - - this->m_inputOperation->readSampled(inputValue, x, y, sampler); - alpha = inputValue[3]; - - mul_v3_v3fl(output, inputValue, alpha); - - /* never touches the alpha */ - output[3] = alpha; + ColorSceneLinear4f<eAlpha::Straight> input; + this->m_inputOperation->readSampled(input, x, y, sampler); + ColorSceneLinear4f<eAlpha::Premultiplied> converted = input.premultiply_alpha(); + copy_v4_v4(output, converted); } /* ******** Separate Channels ******** */ |