cubemapMapKernel.gpu.incl

__global__ void FUNCTION_NAME_7(cubemapMapKernel, face, fromSphereToInput, isWithin, distortionMetersTransform, distortionPixelsTransform, equiangular)
           (global_mem uint32_t* __restrict__ g_odata,
           global_mem const unsigned char * __restrict__ mask,
           uint32_t imBit,
           int inWidth, int inHeight,
           int length,
           int cropLeft, int cropRight, int cropTop, int cropBottom,
           const vsfloat3x4 pose,
           const float2 inputScale,
           const vsDistortion distortion,
           const float2 centerShift
         ) {

  int x = get_global_id_x();
  int y = get_global_id_y();

  if (x < length && y < length) {

    float2 uv = make_float2((float)x, (float)y);

    /*To Center coordinates*/
    uv.x -= (length - 1) / 2.0f;
    uv.y -= (length - 1) / 2.0f;

    uv = FUNCTION_NAME_6(mapFunctionCubemap, face, fromSphereToInput, distortionMetersTransform, distortionPixelsTransform, equiangular) (uv, length, pose, inputScale, distortion, centerShift);

    /* To Topleft coordinates */
    /* compensate fetching offset by adding 0.5f */
    uv.x += inWidth / 2.0f;
    uv.y += inHeight / 2.0f;

    /* Check if pixel is inside the input */
    uint32_t v = isWithin(uv, inWidth, inHeight, (float)cropLeft, (float)cropRight, (float)cropTop, (float)cropBottom) * imBit;
    if (mask) {
      if ((v != 0) && (mask[(int)uv.y * inWidth + (int)uv.x] == 1)) {
        v = 0;
      }
    }

    g_odata[y * length + x] |= v;
  }
}