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T37832: OpenCL compositing bug in defocus node

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The issue seems to be caused by the integer overflow. It's actually
still needed to investigate why exactly buffer contained such a huge
value, but the patch is still legit and seems to be solving the issue
just nicely.
This commit is contained in:
Sergey Sharybin
2015-03-09 16:55:17 +05:00
parent a1549bc47a
commit fd94d2d80f
1 changed files with 2 additions and 2 deletions
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4
source/blender/compositor/operations/COM_VariableSizeBokehBlurOperation.cpp
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@@ -200,8 +200,8 @@ void VariableSizeBokehBlurOperation::executeOpenCL(OpenCLDevice *device,
const float max_dim = max(m_width, m_height);
cl_float scalar = this->m_do_size_scale ? (max_dim / 100.0f) : 1.0f;
maxBlur = (cl_int)sizeMemoryBuffer->getMaximumValue() * scalar;
maxBlur = min(maxBlur, this->m_maxBlur);
maxBlur = (cl_int)min_ff(sizeMemoryBuffer->getMaximumValue() * scalar,
(float)this->m_maxBlur);
device->COM_clAttachMemoryBufferToKernelParameter(defocusKernel, 0, -1, clMemToCleanUp, inputMemoryBuffers, this->m_inputProgram);
device->COM_clAttachMemoryBufferToKernelParameter(defocusKernel, 1, -1, clMemToCleanUp, inputMemoryBuffers, this->m_inputBokehProgram);