diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp')
| -rw-r--r-- | source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp b/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp index 5d50640d582..f7b8d285cc2 100644 --- a/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp +++ b/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp @@ -26,6 +26,7 @@ extern "C" { # include "BLI_math.h" # include "BLI_utildefines.h" # include "BLI_rand.h" +# include "PIL_time.h" } ScreenLensDistortionOperation::ScreenLensDistortionOperation() : NodeOperation() @@ -60,6 +61,10 @@ void ScreenLensDistortionOperation::initExecution() this->m_inputProgram = this->getInputSocketReader(0); this->initMutex(); + uint rng_seed = (uint)(PIL_check_seconds_timer_i() & UINT_MAX); + rng_seed ^= (uint)GET_INT_FROM_POINTER(m_inputProgram); + this->m_rng = BLI_rng_new(rng_seed); + this->m_cx = 0.5f * (float)getWidth(); this->m_cy = 0.5f * (float)getHeight(); @@ -142,7 +147,7 @@ void ScreenLensDistortionOperation::accumulate(MemoryBuffer *buffer, float dk4 = m_dk4[a]; for (float z = 0; z < ds; ++z) { - float tz = (z + (m_jitter ? BLI_frand() : 0.5f)) * sd; + float tz = (z + (m_jitter ? BLI_rng_get_float(m_rng) : 0.5f)) * sd; float t = 1.0f - (k4 + tz * dk4) * r_sq; float xy[2]; @@ -192,6 +197,7 @@ void ScreenLensDistortionOperation::deinitExecution() { this->deinitMutex(); this->m_inputProgram = NULL; + BLI_rng_free(this->m_rng); } void ScreenLensDistortionOperation::determineUV(float result[6], float x, float y) const |