diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp')
| -rw-r--r-- | source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp b/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp index 1ebb0f93939..f7b8d285cc2 100644 --- a/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp +++ b/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cpp @@ -64,10 +64,10 @@ void ScreenLensDistortionOperation::initExecution() 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(); - + /* if both are constant, init variables once */ if (m_distortion_const && m_dispersion_const) { updateVariables(m_distortion, m_dispersion); @@ -85,7 +85,7 @@ void *ScreenLensDistortionOperation::initializeTileData(rcti * /*rect*/) */ if (!m_variables_ready) { this->lockMutex(); - + if (!m_distortion_const) { float result[4]; getInputSocketReader(1)->readSampled(result, 0, 0, COM_PS_NEAREST); @@ -96,13 +96,13 @@ void *ScreenLensDistortionOperation::initializeTileData(rcti * /*rect*/) getInputSocketReader(2)->readSampled(result, 0, 0, COM_PS_NEAREST); m_dispersion = result[0]; } - + updateVariables(m_distortion, m_dispersion); m_variables_ready = true; - + this->unlockMutex(); } - + return buffer; } @@ -128,7 +128,7 @@ bool ScreenLensDistortionOperation::get_delta(float r_sq, float k4, const float } else return false; - + } void ScreenLensDistortionOperation::accumulate(MemoryBuffer *buffer, @@ -138,7 +138,7 @@ void ScreenLensDistortionOperation::accumulate(MemoryBuffer *buffer, float sum[4], int count[3]) const { float color[4]; - + float dsf = len_v2v2(delta[a], delta[b]) + 1.0f; int ds = m_jitter ? (dsf < 4.0f ? 2 : (int)sqrtf(dsf)) : (int)dsf; float sd = 1.0f / (float)ds; @@ -149,11 +149,11 @@ void ScreenLensDistortionOperation::accumulate(MemoryBuffer *buffer, for (float z = 0; z < ds; ++z) { 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]; distort_uv(uv, t, xy); buffer->readBilinear(color, xy[0], xy[1]); - + sum[a] += (1.0f - tz) * color[a]; sum[b] += (tz ) * color[b]; count[a]++; @@ -180,11 +180,11 @@ void ScreenLensDistortionOperation::executePixel(float output[4], int x, int y, if (valid_r && valid_g && valid_b) { accumulate(buffer, 0, 1, uv_dot, uv, delta, sum, count); accumulate(buffer, 1, 2, uv_dot, uv, delta, sum, count); - + if (count[0]) output[0] = 2.0f * sum[0] / (float)count[0]; if (count[1]) output[1] = 2.0f * sum[1] / (float)count[1]; if (count[2]) output[2] = 2.0f * sum[2] / (float)count[2]; - + /* set alpha */ output[3] = 1.0f; } @@ -206,7 +206,7 @@ void ScreenLensDistortionOperation::determineUV(float result[6], float x, float float uv[2]; get_uv(xy, uv); float uv_dot = len_squared_v2(uv); - + copy_v2_v2(result + 0, xy); copy_v2_v2(result + 2, xy); copy_v2_v2(result + 4, xy); @@ -222,7 +222,7 @@ bool ScreenLensDistortionOperation::determineDependingAreaOfInterest(rcti * /*in newInputValue.ymin = 0; newInputValue.xmax = 2; newInputValue.ymax = 2; - + NodeOperation *operation = getInputOperation(1); if (operation->determineDependingAreaOfInterest(&newInputValue, readOperation, output) ) { return true; @@ -232,7 +232,7 @@ bool ScreenLensDistortionOperation::determineDependingAreaOfInterest(rcti * /*in if (operation->determineDependingAreaOfInterest(&newInputValue, readOperation, output) ) { return true; } - + /* XXX the original method of estimating the area-of-interest does not work * it assumes a linear increase/decrease of mapped coordinates, which does not * yield correct results for the area and leaves uninitialized buffer areas. @@ -240,7 +240,7 @@ bool ScreenLensDistortionOperation::determineDependingAreaOfInterest(rcti * /*in */ #if 1 rcti imageInput; - + operation = getInputOperation(0); imageInput.xmax = operation->getWidth(); imageInput.xmin = 0; @@ -254,9 +254,9 @@ bool ScreenLensDistortionOperation::determineDependingAreaOfInterest(rcti * /*in #else rcti newInput; const float margin = 2; - + BLI_rcti_init_minmax(&newInput); - + if (m_dispersion_const && m_distortion_const) { /* update from fixed distortion/dispersion */ #define UPDATE_INPUT(x, y) \ @@ -290,7 +290,7 @@ bool ScreenLensDistortionOperation::determineDependingAreaOfInterest(rcti * /*in newInput.xmax = max_ffff(newInput.xmax, coords[0], coords[2], coords[4]); \ newInput.ymax = max_ffff(newInput.ymax, coords[1], coords[3], coords[5]); \ } (void)0 - + if (m_distortion_const) { /* update from fixed distortion */ UPDATE_INPUT(input->xmin, input->xmax, m_distortion); |