Fixed bug: disable_blending not working

include/openpose/utilities/render.hu

@@ -8,7 +8,8 @@ namespace op
                                            const float* const facePtr, const unsigned char* const partPairsPtr,
                                            const int numberFaces, const int numberParts, const int numberPartPairs,
                                            const float* const rgbColorsPtr, const int numberColors,
-                                           const float radius, const float stickwidth, const float threshold, const float alphaColorToAdd)
+                                           const float radius, const float stickwidth, const float threshold, const float alphaColorToAdd,
+                                           const bool blendOriginalFrame = true)
     {
         // Fill shared parameters
         if (globalIdx < numberFaces)
@@ -54,6 +55,12 @@ namespace op
             auto& b = targetPtr[                                 baseIndex];
             auto& g = targetPtr[    targetWidth * targetHeight + baseIndex];
             auto& r = targetPtr[2 * targetWidth * targetHeight + baseIndex];
+            if (!blendOriginalFrame)
+            {
+                b = 0.f;
+                g = 0.f;
+                r = 0.f;
+            }
 
             for (auto person = 0; person < numberFaces; person++)
             {

src/openpose/pose/poseRenderGpu.cu

@@ -142,7 +142,7 @@ namespace op
     }
 
     __global__ void renderPoseCoco(float* targetPtr, const int targetWidth, const int targetHeight, const float* const posePtr, const int numberPeople,
-                                   const float threshold, const bool googlyEyes, const float blendOriginalFrame, const float alphaColorToAdd)
+                                   const float threshold, const bool googlyEyes, const bool blendOriginalFrame, const float alphaColorToAdd)
     {
         const auto x = (blockIdx.x * blockDim.x) + threadIdx.x;
         const auto y = (blockIdx.y * blockDim.y) + threadIdx.y;
@@ -163,11 +163,11 @@ namespace op
         renderKeyPoints(targetPtr, sharedMaxs, sharedMins, sharedScaleF,
                         globalIdx, x, y, targetWidth, targetHeight, posePtr, COCO_PAIRS_GPU, numberPeople,
                         POSE_COCO_NUMBER_PARTS, numberPartPairs, COCO_RGB_COLORS, numberColors,
-                        radius, stickwidth, threshold, alphaColorToAdd);
+                        radius, stickwidth, threshold, alphaColorToAdd, blendOriginalFrame);
     }
 
     __global__ void renderPoseMpi29Parts(float* targetPtr, const int targetWidth, const int targetHeight, const float* const posePtr,
-                                         const int numberPeople, const float threshold, const float blendOriginalFrame, const float alphaColorToAdd)
+                                         const int numberPeople, const float threshold, const bool blendOriginalFrame, const float alphaColorToAdd)
     {
         //posePtr has length 3 * 15 * numberPeople
         const auto x = (blockIdx.x * blockDim.x) + threadIdx.x;