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path: root/source/blender/compositor/operations/COM_TonemapOperation.cpp
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Diffstat (limited to 'source/blender/compositor/operations/COM_TonemapOperation.cpp')
-rw-r--r--source/blender/compositor/operations/COM_TonemapOperation.cpp186
1 files changed, 95 insertions, 91 deletions
diff --git a/source/blender/compositor/operations/COM_TonemapOperation.cpp b/source/blender/compositor/operations/COM_TonemapOperation.cpp
index bc2177eefbe..6b408a0a791 100644
--- a/source/blender/compositor/operations/COM_TonemapOperation.cpp
+++ b/source/blender/compositor/operations/COM_TonemapOperation.cpp
@@ -26,127 +26,131 @@ extern "C" {
TonemapOperation::TonemapOperation() : NodeOperation()
{
- this->addInputSocket(COM_DT_COLOR, COM_SC_NO_RESIZE);
- this->addOutputSocket(COM_DT_COLOR);
- this->m_imageReader = NULL;
- this->m_data = NULL;
- this->m_cachedInstance = NULL;
- this->setComplex(true);
+ this->addInputSocket(COM_DT_COLOR, COM_SC_NO_RESIZE);
+ this->addOutputSocket(COM_DT_COLOR);
+ this->m_imageReader = NULL;
+ this->m_data = NULL;
+ this->m_cachedInstance = NULL;
+ this->setComplex(true);
}
void TonemapOperation::initExecution()
{
- this->m_imageReader = this->getInputSocketReader(0);
- NodeOperation::initMutex();
+ this->m_imageReader = this->getInputSocketReader(0);
+ NodeOperation::initMutex();
}
void TonemapOperation::executePixel(float output[4], int x, int y, void *data)
{
- AvgLogLum *avg = (AvgLogLum *)data;
+ AvgLogLum *avg = (AvgLogLum *)data;
- this->m_imageReader->read(output, x, y, NULL);
- mul_v3_fl(output, avg->al);
- float dr = output[0] + this->m_data->offset;
- float dg = output[1] + this->m_data->offset;
- float db = output[2] + this->m_data->offset;
- output[0] /= ((dr == 0.0f) ? 1.0f : dr);
- output[1] /= ((dg == 0.0f) ? 1.0f : dg);
- output[2] /= ((db == 0.0f) ? 1.0f : db);
- const float igm = avg->igm;
- if (igm != 0.0f) {
- output[0] = powf(max(output[0], 0.0f), igm);
- output[1] = powf(max(output[1], 0.0f), igm);
- output[2] = powf(max(output[2], 0.0f), igm);
- }
+ this->m_imageReader->read(output, x, y, NULL);
+ mul_v3_fl(output, avg->al);
+ float dr = output[0] + this->m_data->offset;
+ float dg = output[1] + this->m_data->offset;
+ float db = output[2] + this->m_data->offset;
+ output[0] /= ((dr == 0.0f) ? 1.0f : dr);
+ output[1] /= ((dg == 0.0f) ? 1.0f : dg);
+ output[2] /= ((db == 0.0f) ? 1.0f : db);
+ const float igm = avg->igm;
+ if (igm != 0.0f) {
+ output[0] = powf(max(output[0], 0.0f), igm);
+ output[1] = powf(max(output[1], 0.0f), igm);
+ output[2] = powf(max(output[2], 0.0f), igm);
+ }
}
void PhotoreceptorTonemapOperation::executePixel(float output[4], int x, int y, void *data)
{
- AvgLogLum *avg = (AvgLogLum *)data;
- NodeTonemap *ntm = this->m_data;
+ AvgLogLum *avg = (AvgLogLum *)data;
+ NodeTonemap *ntm = this->m_data;
- const float f = expf(-this->m_data->f);
- const float m = (ntm->m > 0.0f) ? ntm->m : (0.3f + 0.7f * powf(avg->auto_key, 1.4f));
- const float ic = 1.0f - ntm->c, ia = 1.0f - ntm->a;
+ const float f = expf(-this->m_data->f);
+ const float m = (ntm->m > 0.0f) ? ntm->m : (0.3f + 0.7f * powf(avg->auto_key, 1.4f));
+ const float ic = 1.0f - ntm->c, ia = 1.0f - ntm->a;
- this->m_imageReader->read(output, x, y, NULL);
+ this->m_imageReader->read(output, x, y, NULL);
- const float L = IMB_colormanagement_get_luminance(output);
- float I_l = output[0] + ic * (L - output[0]);
- float I_g = avg->cav[0] + ic * (avg->lav - avg->cav[0]);
- float I_a = I_l + ia * (I_g - I_l);
- output[0] /= (output[0] + powf(f * I_a, m));
- I_l = output[1] + ic * (L - output[1]);
- I_g = avg->cav[1] + ic * (avg->lav - avg->cav[1]);
- I_a = I_l + ia * (I_g - I_l);
- output[1] /= (output[1] + powf(f * I_a, m));
- I_l = output[2] + ic * (L - output[2]);
- I_g = avg->cav[2] + ic * (avg->lav - avg->cav[2]);
- I_a = I_l + ia * (I_g - I_l);
- output[2] /= (output[2] + powf(f * I_a, m));
+ const float L = IMB_colormanagement_get_luminance(output);
+ float I_l = output[0] + ic * (L - output[0]);
+ float I_g = avg->cav[0] + ic * (avg->lav - avg->cav[0]);
+ float I_a = I_l + ia * (I_g - I_l);
+ output[0] /= (output[0] + powf(f * I_a, m));
+ I_l = output[1] + ic * (L - output[1]);
+ I_g = avg->cav[1] + ic * (avg->lav - avg->cav[1]);
+ I_a = I_l + ia * (I_g - I_l);
+ output[1] /= (output[1] + powf(f * I_a, m));
+ I_l = output[2] + ic * (L - output[2]);
+ I_g = avg->cav[2] + ic * (avg->lav - avg->cav[2]);
+ I_a = I_l + ia * (I_g - I_l);
+ output[2] /= (output[2] + powf(f * I_a, m));
}
void TonemapOperation::deinitExecution()
{
- this->m_imageReader = NULL;
- if (this->m_cachedInstance) {
- delete this->m_cachedInstance;
- }
- NodeOperation::deinitMutex();
+ this->m_imageReader = NULL;
+ if (this->m_cachedInstance) {
+ delete this->m_cachedInstance;
+ }
+ NodeOperation::deinitMutex();
}
-bool TonemapOperation::determineDependingAreaOfInterest(rcti * /*input*/, ReadBufferOperation *readOperation, rcti *output)
+bool TonemapOperation::determineDependingAreaOfInterest(rcti * /*input*/,
+ ReadBufferOperation *readOperation,
+ rcti *output)
{
- rcti imageInput;
+ rcti imageInput;
- NodeOperation *operation = getInputOperation(0);
- imageInput.xmax = operation->getWidth();
- imageInput.xmin = 0;
- imageInput.ymax = operation->getHeight();
- imageInput.ymin = 0;
- if (operation->determineDependingAreaOfInterest(&imageInput, readOperation, output) ) {
- return true;
- }
- return false;
+ NodeOperation *operation = getInputOperation(0);
+ imageInput.xmax = operation->getWidth();
+ imageInput.xmin = 0;
+ imageInput.ymax = operation->getHeight();
+ imageInput.ymin = 0;
+ if (operation->determineDependingAreaOfInterest(&imageInput, readOperation, output)) {
+ return true;
+ }
+ return false;
}
void *TonemapOperation::initializeTileData(rcti *rect)
{
- lockMutex();
- if (this->m_cachedInstance == NULL) {
- MemoryBuffer *tile = (MemoryBuffer *)this->m_imageReader->initializeTileData(rect);
- AvgLogLum *data = new AvgLogLum();
+ lockMutex();
+ if (this->m_cachedInstance == NULL) {
+ MemoryBuffer *tile = (MemoryBuffer *)this->m_imageReader->initializeTileData(rect);
+ AvgLogLum *data = new AvgLogLum();
- float *buffer = tile->getBuffer();
+ float *buffer = tile->getBuffer();
- float lsum = 0.0f;
- int p = tile->getWidth() * tile->getHeight();
- float *bc = buffer;
- float avl, maxl = -1e10f, minl = 1e10f;
- const float sc = 1.0f / p;
- float Lav = 0.0f;
- float cav[4] = {0.0f, 0.0f, 0.0f, 0.0f};
- while (p--) {
- float L = IMB_colormanagement_get_luminance(bc);
- Lav += L;
- add_v3_v3(cav, bc);
- lsum += logf(MAX2(L, 0.0f) + 1e-5f);
- maxl = (L > maxl) ? L : maxl;
- minl = (L < minl) ? L : minl;
- bc += 4;
- }
- data->lav = Lav * sc;
- mul_v3_v3fl(data->cav, cav, sc);
- maxl = log((double)maxl + 1e-5); minl = log((double)minl + 1e-5); avl = lsum * sc;
- data->auto_key = (maxl > minl) ? ((maxl - avl) / (maxl - minl)) : 1.0f;
- float al = exp((double)avl);
- data->al = (al == 0.0f) ? 0.0f : (this->m_data->key / al);
- data->igm = (this->m_data->gamma == 0.0f) ? 1 : (1.0f / this->m_data->gamma);
- this->m_cachedInstance = data;
- }
- unlockMutex();
- return this->m_cachedInstance;
+ float lsum = 0.0f;
+ int p = tile->getWidth() * tile->getHeight();
+ float *bc = buffer;
+ float avl, maxl = -1e10f, minl = 1e10f;
+ const float sc = 1.0f / p;
+ float Lav = 0.0f;
+ float cav[4] = {0.0f, 0.0f, 0.0f, 0.0f};
+ while (p--) {
+ float L = IMB_colormanagement_get_luminance(bc);
+ Lav += L;
+ add_v3_v3(cav, bc);
+ lsum += logf(MAX2(L, 0.0f) + 1e-5f);
+ maxl = (L > maxl) ? L : maxl;
+ minl = (L < minl) ? L : minl;
+ bc += 4;
+ }
+ data->lav = Lav * sc;
+ mul_v3_v3fl(data->cav, cav, sc);
+ maxl = log((double)maxl + 1e-5);
+ minl = log((double)minl + 1e-5);
+ avl = lsum * sc;
+ data->auto_key = (maxl > minl) ? ((maxl - avl) / (maxl - minl)) : 1.0f;
+ float al = exp((double)avl);
+ data->al = (al == 0.0f) ? 0.0f : (this->m_data->key / al);
+ data->igm = (this->m_data->gamma == 0.0f) ? 1 : (1.0f / this->m_data->gamma);
+ this->m_cachedInstance = data;
+ }
+ unlockMutex();
+ return this->m_cachedInstance;
}
void TonemapOperation::deinitializeTileData(rcti * /*rect*/, void * /*data*/)
{
- /* pass */
+ /* pass */
}
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