VX_API_ENTRY vx_status VX_API_CALL vxCommitDistribution(vx_distribution distribution, const void *ptr)
{
vx_status status = VX_FAILURE;
if ((vxIsValidSpecificReference(&distribution->base, VX_TYPE_DISTRIBUTION) == vx_true_e) &&
(vxAllocateMemory(distribution->base.context, &distribution->memory) == vx_true_e))
{
if (ptr != NULL)
{
vxSemWait(&distribution->base.lock);
{
if (ptr != distribution->memory.ptrs[0])
{
vx_size size = vxComputeMemorySize(&distribution->memory, 0);
memcpy(distribution->memory.ptrs[0], ptr, size);
VX_PRINT(VX_ZONE_INFO, "Copied distribution from %p to %p for "VX_FMT_SIZE" bytes\n", ptr, distribution->memory.ptrs[0], size);
}
}
vxSemPost(&distribution->base.lock);
vxWroteToReference(&distribution->base);
}
vxDecrementReference(&distribution->base, VX_EXTERNAL);
status = VX_SUCCESS;
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Not a valid object!\n");
}
return status;
}
static vx_value_t vxWorkerGraph(void *arg)
{
vx_processor_t *proc = (vx_processor_t *)arg;
VX_PRINT(VX_ZONE_CONTEXT, "Starting thread!\n");
while (proc->running == vx_true_e)
{
vx_graph g = 0;
vx_status s = VX_FAILURE;
vx_value_set_t *data = NULL;
if (vxReadQueue(&proc->input, &data) == vx_true_e)
{
g = (vx_graph)data->v1;
// s = (vx_status)v2;
VX_PRINT(VX_ZONE_CONTEXT, "Read graph=" VX_FMT_REF ", status=%d\n",g,s);
s = vxProcessGraph(g);
VX_PRINT(VX_ZONE_CONTEXT, "Writing graph=" VX_FMT_REF ", status=%d\n",g,s);
data->v1 = (vx_value_t)g;
data->v2 = (vx_status)s;
if (vxWriteQueue(&proc->output, data) == vx_false_e)
VX_PRINT(VX_ZONE_ERROR, "Failed to write graph=" VX_FMT_REF " status=%d\n", g, s);
}
}
VX_PRINT(VX_ZONE_CONTEXT,"Stopping thread!\n");
return 0;
}
vx_status vxAddParameterToKernel(vx_kernel kernel,
vx_uint32 index,
vx_enum dir,
vx_enum type,
vx_enum state) {
vx_status status = VX_ERROR_INVALID_PARAMETERS;
vx_kernel_t *kern = (vx_kernel_t *)kernel;
VX_PRINT(VX_ZONE_KERNEL,"INFO: Adding index %u, type 0x%x, dir:%d state:%d\n", index, type, dir, state);
if (vxIsValidSpecificReference(&kern->base, VX_TYPE_KERNEL) == vx_true_e)
{
if (index < kern->signature.numParams)
{
if (kern->tiling_function)
{
if (((type != VX_TYPE_IMAGE) &&
(type != VX_TYPE_SCALAR)) ||
(vxIsValidDirection(dir) == vx_false_e) ||
(vxIsValidState(state) == vx_false_e))
{
status = VX_ERROR_INVALID_PARAMETERS;
}
else
{
kern->signature.directions[index] = dir;
kern->signature.types[index] = type;
kern->signature.states[index] = state;
status = VX_SUCCESS;
}
}
else
{
if ((vxIsValidType(type) == vx_false_e) ||
(vxIsValidDirection(dir) == vx_false_e) ||
(vxIsValidState(state) == vx_false_e))
{
status = VX_ERROR_INVALID_PARAMETERS;
}
else
{
kern->signature.directions[index] = dir;
kern->signature.types[index] = type;
kern->signature.states[index] = state;
status = VX_SUCCESS;
}
}
}
else
{
status = VX_ERROR_INVALID_PARAMETERS;
}
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Not a valid reference!\n");
status = VX_ERROR_INVALID_REFERENCE;
}
return status;
}
VX_INT_API void vxMemoryUnmap(vx_context context, vx_uint32 map_id)
{
/* lock the table for modification */
if (vx_true_e == vxSemWait(&context->memory_maps_lock))
{
if (context->memory_maps[map_id].used == vx_true_e)
{
if (context->memory_maps[map_id].ptr != NULL)
{
/* freeing mapped buffer */
free(context->memory_maps[map_id].ptr);
memset(&context->memory_maps[map_id], 0, sizeof(vx_memory_map_t));
}
VX_PRINT(VX_ZONE_CONTEXT, "Removed memory mapping[%u]\n", map_id);
}
context->memory_maps[map_id].used = vx_false_e;
/* we're done, unlock the table */
vxSemPost(&context->memory_maps_lock);
}
else
VX_PRINT(VX_ZONE_ERROR, "vxSemWait() failed!\n");
return;
} /* vxMemoryUnmap() */
void vxReleaseKernel(vx_kernel *kernel) {
vx_kernel_t *kern = (vx_kernel_t *)(kernel?*kernel:0);
if (vxIsValidSpecificReference(&kern->base, VX_TYPE_KERNEL) == vx_true_e)
{
VX_PRINT(VX_ZONE_KERNEL, "Releasing kernel "VX_FMT_REF"\n", (void *)kern);
vxDecrementReference(&kern->base);
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Invalid Reference!\n");
}
if (kernel) *kernel = 0;
}
static vx_pyramid vxCreatePyramidInt(vx_context context,
vx_size levels,
vx_float32 scale,
vx_uint32 width,
vx_uint32 height,
vx_df_image format,
vx_bool is_virtual)
{
vx_pyramid pyramid = NULL;
if (vxIsValidContext(context) == vx_false_e)
return NULL;
if ((scale != VX_SCALE_PYRAMID_HALF) &&
(scale != VX_SCALE_PYRAMID_ORB))
{
VX_PRINT(VX_ZONE_ERROR, "Invalid scale %lf for pyramid!\n",scale);
vxAddLogEntry((vx_reference)context, VX_ERROR_INVALID_PARAMETERS, "Invalid scale %lf for pyramid!\n",scale);
pyramid = (vx_pyramid_t *)vxGetErrorObject(context, VX_ERROR_INVALID_PARAMETERS);
}
else if (levels == 0 || levels > 8)
{
VX_PRINT(VX_ZONE_ERROR, "Invalid number of levels for pyramid!\n", levels);
vxAddLogEntry((vx_reference)context, VX_ERROR_INVALID_PARAMETERS, "Invalid number of levels for pyramid!\n", levels);
pyramid = (vx_pyramid_t *)vxGetErrorObject(context, VX_ERROR_INVALID_PARAMETERS);
}
else
{
pyramid = (vx_pyramid)vxCreateReference(context, VX_TYPE_PYRAMID, VX_EXTERNAL, &context->base);
if (pyramid && pyramid->base.type == VX_TYPE_PYRAMID)
{
vx_status status;
pyramid->base.is_virtual = is_virtual;
status = vxInitPyramid(pyramid, levels, scale, width, height, format);
if (status != VX_SUCCESS)
{
vxAddLogEntry((vx_reference)pyramid, status, "Failed to initialize pyramid\n");
vxReleasePyramid((vx_pyramid *)&pyramid);
pyramid = (vx_pyramid_t *)vxGetErrorObject(context, status);
}
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Failed to allocate memory\n");
vxAddLogEntry((vx_reference)context, VX_ERROR_NO_MEMORY, "Failed to allocate memory\n");
pyramid = (vx_pyramid_t *)vxGetErrorObject(context, VX_ERROR_NO_MEMORY);
}
}
return pyramid;
}
void vxPrintKernel(vx_kernel_t *kernel)
{
VX_PRINT(VX_ZONE_KERNEL, "kernel[%u] enabled?=%s %s \n",
kernel->enumeration,
(kernel->enabled?"TRUE":"FALSE"),
kernel->name);
}
vx_kernel vxTargetAddKernel(vx_target_t *target,
vx_char name[VX_MAX_KERNEL_NAME],
vx_enum enumeration,
vx_kernel_f func_ptr,
vx_uint32 numParams,
vx_kernel_input_validate_f input,
vx_kernel_output_validate_f output,
vx_kernel_initialize_f initialize,
vx_kernel_deinitialize_f deinitialize)
{
vx_uint32 k = 0u;
vx_kernel_t *kernel = NULL;
for (k = target->num_kernels; k < VX_INT_MAX_KERNELS; k++)
{
kernel = &(target->kernels[k]);
if ((kernel->enabled == vx_false_e) &&
(kernel->enumeration == VX_KERNEL_INVALID))
{
vxInitializeKernel(target->base.context,
kernel,
enumeration, func_ptr, name,
NULL, numParams,
input, output, initialize, deinitialize);
VX_PRINT(VX_ZONE_KERNEL, "Reserving %s Kernel[%u] for %s\n", target->name, k, kernel->name);
target->num_kernels++;
break;
}
kernel = NULL;
}
return (vx_kernel)kernel;
}
vx_status map_vx_image_for_write(vx_image vxImg, mem_info_t *mem_info)
{
uint32_t width, height;
vx_status status = map_vx_image(vxImg, &width, &height, mem_info, VX_WRITE_ONLY);
VX_PRINT(VX_ZONE_INFO, "map_vx_image_for_write returned %d\n", status);
return status;
}
void vxPrintReference(vx_reference_t *ref)
{
if (ref)
{
VX_PRINT(VX_ZONE_REFERENCE, "vx_reference_t:%p magic:%08x type:%08x count:[%u,%u] context:%p\n", ref, ref->magic, ref->type, ref->external_count, ref->internal_count, ref->context);
}
}
VX_API_ENTRY vx_status VX_API_CALL vxAccessDistribution(vx_distribution distribution, void **ptr, vx_enum usage)
{
vx_status status = VX_FAILURE;
if ((vxIsValidSpecificReference(&distribution->base, VX_TYPE_DISTRIBUTION) == vx_true_e) &&
(vxAllocateMemory(distribution->base.context, &distribution->memory) == vx_true_e))
{
if (ptr != NULL)
{
vxSemWait(&distribution->base.lock);
{
vx_size size = vxComputeMemorySize(&distribution->memory, 0);
vxPrintMemory(&distribution->memory);
if (*ptr == NULL)
{
*ptr = distribution->memory.ptrs[0];
}
else if (*ptr != NULL)
{
memcpy(*ptr, distribution->memory.ptrs[0], size);
}
}
vxSemPost(&distribution->base.lock);
vxReadFromReference(&distribution->base);
}
vxIncrementReference(&distribution->base, VX_EXTERNAL);
status = VX_SUCCESS;
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Not a valid object!\n");
}
return status;
}
VX_API_ENTRY vx_distribution VX_API_CALL vxCreateDistribution(vx_context context, vx_size numBins, vx_int32 offset, vx_uint32 range)
{
vx_distribution distribution = NULL;
if (vxIsValidContext(context) == vx_true_e)
{
if ((numBins != 0) && (range != 0))
{
distribution = (vx_distribution)vxCreateReference(context, VX_TYPE_DISTRIBUTION, VX_EXTERNAL, &context->base);
if ( vxGetStatus((vx_reference)distribution) == VX_SUCCESS &&
distribution->base.type == VX_TYPE_DISTRIBUTION)
{
distribution->memory.ndims = 2;
distribution->memory.nptrs = 1;
distribution->memory.strides[0][VX_DIM_C] = sizeof(vx_int32);
distribution->memory.dims[0][VX_DIM_C] = 1;
distribution->memory.dims[0][VX_DIM_X] = (vx_int32)numBins;
distribution->memory.dims[0][VX_DIM_Y] = 1;
distribution->memory.cl_type = CL_MEM_OBJECT_BUFFER;
distribution->window_x = (vx_uint32)range/(vx_uint32)numBins;
distribution->window_y = 1;
distribution->offset_x = offset;
distribution->offset_y = 0;
}
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Invalid parameters to distribution\n");
vxAddLogEntry(&context->base, VX_ERROR_INVALID_PARAMETERS, "Invalid parameters to distribution\n");
distribution = (vx_distribution)vxGetErrorObject(context, VX_ERROR_INVALID_PARAMETERS);
}
}
return distribution;
}
VX_INT_API vx_bool vxIsValidType(vx_enum type)
{
vx_bool ret = vx_false_e;
if (type <= VX_TYPE_INVALID)
{
ret = vx_false_e;
}
else if (VX_TYPE_IS_SCALAR(type)) /* some scalar */
{
ret = vx_true_e;
}
else if (VX_TYPE_IS_STRUCT(type)) /* some struct */
{
ret = vx_true_e;
}
else if (VX_TYPE_IS_OBJECT(type)) /* some object */
{
ret = vx_true_e;
}
#ifdef OPENVX_KHR_XML
else if (type == VX_TYPE_IMPORT) /* import type extension */
{
ret = vx_true_e;
}
#endif
else
{
VX_PRINT(VX_ZONE_ERROR, "Type 0x%08x is invalid!\n");
}
return ret; /* otherwise, not a valid type */
}
VX_API_ENTRY vx_lut VX_API_CALL vxCreateLUT(vx_context context, vx_enum data_type, vx_size count)
{
vx_lut_t *lut = NULL;
if (vxIsValidContext(context) == vx_true_e)
{
if (data_type == VX_TYPE_UINT8)
{
#if defined(OPENVX_STRICT_1_0)
if (count != 256)
{
VX_PRINT(VX_ZONE_ERROR, "Invalid parameter to LUT\n");
vxAddLogEntry(&context->base, VX_ERROR_INVALID_PARAMETERS, "Invalid parameter to LUT\n");
lut = (vx_lut_t *)vxGetErrorObject(context, VX_ERROR_INVALID_PARAMETERS);
}
else
#endif
{
lut = (vx_lut_t *)vxCreateArrayInt(context, VX_TYPE_UINT8, count, vx_false_e, VX_TYPE_LUT);
if (vxGetStatus((vx_reference)lut) == VX_SUCCESS && lut->base.type == VX_TYPE_LUT)
{
lut->num_items = count;
vxPrintArray(lut);
}
}
}
#if !defined(OPENVX_STRICT_1_0)
else if (data_type == VX_TYPE_UINT16)
{
lut = (vx_lut_t *)vxCreateArrayInt(context, VX_TYPE_UINT16, count, vx_false_e, VX_TYPE_LUT);
if (vxGetStatus((vx_reference)lut) == VX_SUCCESS && lut->base.type == VX_TYPE_LUT)
{
lut->num_items = count;
vxPrintArray(lut);
}
}
#endif
else
{
VX_PRINT(VX_ZONE_ERROR, "Invalid data type\n");
vxAddLogEntry(&context->base, VX_ERROR_INVALID_TYPE, "Invalid data type\n");
lut = (vx_lut_t *)vxGetErrorObject(context, VX_ERROR_INVALID_TYPE);
}
}
return (vx_lut)lut;
}
static vx_status VX_CALLBACK vxChannelExtractOutputValidator(vx_node node, vx_uint32 index, vx_meta_format_t *ptr)
{
vx_status status = VX_ERROR_INVALID_PARAMETERS;
if (index == 2)
{
vx_parameter param0 = vxGetParameterByIndex(node, 0);
vx_parameter param1 = vxGetParameterByIndex(node, 1);
if ((param0) && (param1))
{
vx_image input = 0;
vx_scalar chan = 0;
vx_enum channel = 0;
vxQueryParameter(param0, VX_PARAMETER_ATTRIBUTE_REF, &input, sizeof(input));
vxQueryParameter(param1, VX_PARAMETER_ATTRIBUTE_REF, &chan, sizeof(chan));
vxReadScalarValue(chan, &channel);
if ((input) && (chan))
{
vx_uint32 width = 0, height = 0;
vx_df_image format = VX_DF_IMAGE_VIRT;
vxQueryImage(input, VX_IMAGE_ATTRIBUTE_WIDTH, &width, sizeof(width));
vxQueryImage(input, VX_IMAGE_ATTRIBUTE_HEIGHT, &height, sizeof(height));
vxQueryImage(input, VX_IMAGE_ATTRIBUTE_FORMAT, &format, sizeof(format));
if (channel != VX_CHANNEL_Y)
switch (format) {
case VX_DF_IMAGE_IYUV:
case VX_DF_IMAGE_NV12:
case VX_DF_IMAGE_NV21:
width /= 2;
height /= 2;
break;
case VX_DF_IMAGE_YUYV:
case VX_DF_IMAGE_UYVY:
width /= 2;
break;
}
ptr->type = VX_TYPE_IMAGE;
ptr->dim.image.format = VX_DF_IMAGE_U8;
ptr->dim.image.width = width;
ptr->dim.image.height = height;
status = VX_SUCCESS;
vxReleaseImage(&input);
vxReleaseScalar(&chan);
}
vxReleaseParameter(¶m0);
vxReleaseParameter(¶m1);
}
}
else
{
status = VX_ERROR_INVALID_PARAMETERS;
}
VX_PRINT(VX_ZONE_API, "%s:%u returned %d\n", __FUNCTION__, index, status);
return status;
}
static void VX_CALLBACK vxcl_platform_notifier(const char *errinfo,
const void *private_info,
size_t cb,
void *user_data)
{
//vx_target target = (vx_target)user_data;
VX_PRINT(VX_ZONE_ERROR, "%s\n", errinfo);
}
vx_kernel vxGetKernelByName(vx_context c, vx_char *name)
{
vx_kernel_t *kern = NULL;
vx_context_t *context = (vx_context_t *)c;
if (vxIsValidContext(context) == vx_true_e)
{
vx_uint32 k = 0u, t = 0u;
VX_PRINT(VX_ZONE_KERNEL, "Scanning for kernel %s out of %d kernels\n", name, context->numKernels);
for (t = 0; t < context->numTargets; t++)
{
vx_target_t *target = &context->targets[context->priority_targets[t]];
for (k = 0; k < target->numKernels; k++)
{
vx_kernel_t *kernel = &target->kernels[k];
vxPrintKernel(kernel);
if ((kernel->enabled == vx_true_e) &&
(strncmp(kernel->name, name, VX_MAX_KERNEL_NAME) == 0))
{
kernel->affinity = context->priority_targets[t];
kern = kernel;
vxIncrementReference(&kern->base);
break;
}
kernel = NULL;
}
if (kern != NULL)
break;
}
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Invalid context %p\n", context);
}
if (kern == NULL)
{
VX_PRINT(VX_ZONE_ERROR, "Failed to find kernel %s\n", name);
}
else
{
VX_PRINT(VX_ZONE_KERNEL,"Found Kernel enum %d, name %s\n", kern->enumeration, kern->name);
}
return (vx_kernel)kern;
}
void vxIncrementIntReference(vx_reference_t *ref)
{
if (ref)
{
vxSemWait(&ref->lock);
ref->internal_count++;
VX_PRINT(VX_ZONE_REFERENCE, "Incremented Internal Reference Count to %u on "VX_FMT_REF"\n", ref->internal_count, ref);
vxSemPost(&ref->lock);
}
}
vx_kernel vxGetKernelByEnum(vx_context c, vx_enum kernelenum)
{
vx_kernel_t *kern = NULL;
vx_context_t *context = (vx_context_t *)c;
vxPrintReference(&context->base);
if (vxIsValidContext(context) == vx_true_e)
{
if (VX_KERNEL_INVALID >= kernelenum)
{
vxAddLogEntry(c, VX_ERROR_INVALID_PARAMETERS, "Invalid kernel enumeration (%d)\n", kernelenum);
}
else if (kernelenum > VX_KERNEL_INVALID) // no upper bound for kernel enum
{
vx_uint32 k = 0u, t = 0u;
VX_PRINT(VX_ZONE_KERNEL,"Scanning for kernel enum %d out of %d kernels\n", kernelenum, context->numKernels);
for (t = 0; t < context->numTargets; t++)
{
vx_target_t *target = &context->targets[context->priority_targets[t]];
VX_PRINT(VX_ZONE_KERNEL, "Checking Target[%u]=%s for %u kernels\n", context->priority_targets[t], target->name, target->numKernels);
for (k = 0; k < target->numKernels; k++)
{
vx_kernel_t *kernel = &target->kernels[k];
if (kernel->enumeration == kernelenum)
{
kernel->affinity = context->priority_targets[t];
kern = kernel;
vxIncrementReference(&kern->base);
VX_PRINT(VX_ZONE_KERNEL,"Found Kernel[%u] enum:%d name:%s in target[%u]=%s\n", k, kernelenum, kern->name, context->priority_targets[t], target->name);
break;
}
kernel = NULL;
}
if (kern != NULL)
break;
}
}
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Invalid context %p\n", context);
}
return (vx_kernel)kern;
}
vx_bool vxDecrementIntReference(vx_reference_t *ref)
{
vx_bool result = vx_false_e;
if (ref)
{
vxSemWait(&ref->lock);
if (ref->internal_count == 0)
{
VX_PRINT(VX_ZONE_WARNING, "#### INTERNAL REF COUNT IS ALREADY ZERO!!! "VX_FMT_REF" type:%08x #####\n", ref, ref->type);
}
else
{
ref->internal_count--;
VX_PRINT(VX_ZONE_REFERENCE, "Decremented Internal Reference Count to %u on "VX_FMT_REF"\n", ref->internal_count, ref);
result = vx_true_e;
}
vxSemPost(&ref->lock);
}
return result;
}
vx_status vxFastCVInit()
{
char sVersion[32];
fcvSetOperationMode( (fcvOperationMode) FASTCV_OP_CPU_PERFORMANCE );
fcvGetVersion(sVersion, 32);
VX_PRINT(VX_ZONE_INFO, "Using FastCV version version %s\n", sVersion);
return VX_SUCCESS;
}
static vx_bool vxWorkerNode(vx_threadpool_worker_t *worker)
{
vx_bool ret = vx_true_e;
vx_target target = (vx_target)worker->data->v1;
vx_node node = (vx_node)worker->data->v2;
vx_action action = (vx_action)worker->data->v3;
vx_uint32 p = 0;
/* turn on access to virtual memory */
for (p = 0u; p < node->kernel->signature.num_parameters; p++) {
if (node->parameters[p] == NULL) continue;
if (node->parameters[p]->is_virtual == vx_true_e) {
node->parameters[p]->is_accessible = vx_true_e;
}
}
VX_PRINT(VX_ZONE_GRAPH, "Executing %s on target %s\n", node->kernel->name, target->name);
action = target->funcs.process(target, &node, 0, 1);
VX_PRINT(VX_ZONE_GRAPH, "Executed %s on target %s with action %d returned\n", node->kernel->name, target->name, action);
/* turn on access to virtual memory */
for (p = 0u; p < node->kernel->signature.num_parameters; p++) {
if (node->parameters[p] == NULL) continue;
if (node->parameters[p]->is_virtual == vx_true_e) {
// determine who is the last thread to release...
// if this is an input, then there should be "zero" rectangles, which
// should allow commits to work, even if the flag is lowered.
// if this is an output, there should only be a single writer, so
// no locks are needed. Bidirectional is not allowed to be virtual.
node->parameters[p]->is_accessible = vx_true_e;
}
}
if (action == VX_ACTION_ABANDON)
{
ret = vx_false_e;
}
// collect the specific results.
worker->data->v3 = (vx_value_t)action;
return ret;
}
vx_status vxSetConvolutionAttribute(vx_convolution conv, vx_enum attr, void *ptr, vx_size size)
{
vx_status status = VX_SUCCESS;
vx_convolution_t *convolution = (vx_convolution_t *)conv;
if (vxIsValidSpecificReference(&convolution->base.base, VX_TYPE_CONVOLUTION) == vx_false_e)
{
return VX_ERROR_INVALID_REFERENCE;
}
switch (attr)
{
case VX_CONVOLUTION_ATTRIBUTE_SCALE:
if (VX_CHECK_PARAM(ptr, size, vx_uint32, 0x3))
{
vx_uint32 scale = *(vx_uint32 *)ptr;
if (vxIsPowerOfTwo(scale) == vx_true_e)
{
VX_PRINT(VX_ZONE_INFO, "Convolution Scale assigned to %u\n", scale);
convolution->scale = scale;
}
else
{
status = VX_ERROR_INVALID_VALUE;
}
}
else
{
status = VX_ERROR_INVALID_PARAMETERS;
}
break;
default:
status = VX_ERROR_INVALID_PARAMETERS;
break;
}
if (status != VX_SUCCESS)
{
VX_PRINT(VX_ZONE_ERROR, "Failed to set attribute on convolution! (%d)\n", status);
}
return status;
}
vx_action vxTargetProcess(vx_target_t *target, vx_node_t *nodes[], vx_size startIndex, vx_size numNodes)
{
vx_action action = VX_ACTION_CONTINUE;
vx_status status = VX_SUCCESS;
vx_size n = 0;
for (n = startIndex; (n < (startIndex + numNodes)) && (action == VX_ACTION_CONTINUE); n++)
{
VX_PRINT(VX_ZONE_GRAPH,"Executing Kernel %s:%d in Nodes[%u] on target %s\n",
nodes[n]->kernel->name,
nodes[n]->kernel->enumeration,
n,
nodes[n]->base.context->targets[nodes[n]->affinity].name);
vxStartCapture(&nodes[n]->perf);
status = nodes[n]->kernel->function((vx_node)nodes[n],
(vx_reference *)nodes[n]->parameters,
nodes[n]->kernel->signature.num_parameters);
nodes[n]->executed = vx_true_e;
nodes[n]->status = status;
vxStopCapture(&nodes[n]->perf);
VX_PRINT(VX_ZONE_GRAPH,"kernel %s returned %d\n", nodes[n]->kernel->name, status);
if (status == VX_SUCCESS)
{
/* call the callback if it is attached */
if (nodes[n]->callback)
{
action = nodes[n]->callback((vx_node)nodes[n]);
VX_PRINT(VX_ZONE_GRAPH,"callback returned action %d\n", action);
}
}
else
{
action = VX_ACTION_ABANDON;
VX_PRINT(VX_ZONE_ERROR, "Abandoning Graph due to error (%d)!\n", status);
}
}
return action;
}
static vx_status vxPhaseKernel(vx_node node, vx_reference *parameters, vx_uint32 num)
{
vx_status status = VX_FAILURE;
if (num == 3)
{
vx_image grad_x = (vx_image)parameters[0];
vx_image grad_y = (vx_image)parameters[1];
vx_image output = (vx_image)parameters[2];
vx_uint32 y, x;
vx_uint8 *dst_base = NULL;
vx_int16 *src_base_x = NULL;
vx_int16 *src_base_y = NULL;
vx_imagepatch_addressing_t dst_addr, src_addr_x, src_addr_y;
vx_rectangle rect;
if (grad_x == 0 && grad_y == 0)
return VX_ERROR_INVALID_PARAMETERS;
rect = vxGetValidRegionImage(grad_x);
status = VX_SUCCESS;
status |= vxAccessImagePatch(grad_x, rect, 0, &src_addr_x, (void **)&src_base_x);
status |= vxAccessImagePatch(grad_y, rect, 0, &src_addr_y, (void **)&src_base_y);
status |= vxAccessImagePatch(output, rect, 0, &dst_addr, (void **)&dst_base);
for (y = 0; y < dst_addr.dim_y; y++)
{
for (x = 0; x < dst_addr.dim_x; x++)
{
vx_int16 *in_x = vxFormatImagePatchAddress2d(src_base_x, x, y, &src_addr_x);
vx_int16 *in_y = vxFormatImagePatchAddress2d(src_base_y, x, y, &src_addr_y);
vx_uint8 *dst = vxFormatImagePatchAddress2d(dst_base, x, y, &dst_addr);
/* -M_PI to M_PI */
double arct = atan2((double)in_y[0],(double)in_x[0]);
/* 0.0 - 1.0 */
double norm = arct;
if (arct < 0.0)
{
norm = VX_TAU + arct;
}
/* 0 - 255 */
*dst = (vx_uint8)((vx_uint32)(norm * 255u) & 0xFFu);
if (in_y[0] != 0 || in_x[0] != 0)
{
VX_PRINT(VX_ZONE_INFO, "atan2(%d,%d) = %lf [norm=%lf] dst=%02x\n", in_y[0], in_x[0], arct, norm, *dst);
}
}
}
status |= vxCommitImagePatch(grad_x, 0, 0, &src_addr_x, src_base_x);
status |= vxCommitImagePatch(grad_y, 0, 0, &src_addr_y, src_base_y);
status |= vxCommitImagePatch(output, rect, 0, &dst_addr, dst_base);
vxReleaseRectangle(&rect);
}
return status;
}
vx_bool vxIsValidTypeMatch(vx_enum expected, vx_enum supplied)
{
vx_bool match = vx_false_e;
if (expected == supplied)
{
match = vx_true_e;
}
if (match == vx_false_e)
{
VX_PRINT(VX_ZONE_ERROR, "Expected %08x and got %08x!\n", expected, supplied);
}
return match;
}
VX_API_ENTRY vx_reference VX_API_CALL vxGetReferenceByIndex(vx_import import, vx_uint32 index)
{
vx_reference ref = NULL;
if (import && import->base.type == VX_TYPE_IMPORT)
{
if (index < import->count)
{
ref = (vx_reference_t *)import->refs[index];
vxIncrementReference(ref, VX_EXTERNAL);
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Incorrect index value\n");
vxAddLogEntry(&import->base.context->base, VX_ERROR_INVALID_PARAMETERS, "Incorrect index value\n");
ref = (vx_reference_t *)vxGetErrorObject(import->base.context, VX_ERROR_INVALID_PARAMETERS);
}
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Invalid import reference!\n");
}
return ref;
}
VX_API_ENTRY vx_status VX_API_CALL vxCommitLUT(vx_lut l, const void *ptr)
{
vx_status status = VX_FAILURE;
vx_lut_t *lut = (vx_lut_t *)l;
if (vxIsValidSpecificReference(&lut->base, VX_TYPE_LUT) == vx_true_e)
{
status = vxCommitArrayRangeInt((vx_array_t *)l, 0, lut->num_items, ptr);
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Not a valid object!\n");
}
return status;
}
vx_bool vxIsValidReference(vx_reference_t * ref)
{
vx_bool ret = vx_false_e;
if (ref != NULL)
{
vxPrintReference(ref);
if ((ref->magic == VX_MAGIC) &&
(vxIsValidType(ref->type) && ref->type != VX_TYPE_CONTEXT) &&
(vxIsValidContext(ref->context) == vx_true_e))
{
ret = vx_true_e;
}
else
{
VX_PRINT(VX_ZONE_ERROR, "%p is not a valid reference!\n", ref);
}
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Reference was NULL\n");
}
return ret;
}
vx_bool vxIsValidSpecificReference(vx_reference_t * ref, vx_enum type)
{
vx_bool ret = vx_false_e;
if (ref != NULL)
{
vxPrintReference(ref);
if ((ref->magic == VX_MAGIC) &&
(ref->type == type) &&
(vxIsValidContext(ref->context) == vx_true_e))
{
ret = vx_true_e;
}
else
{
VX_PRINT(VX_ZONE_ERROR, "%p is not a valid reference!\n", ref);
}
}
else
{
VX_PRINT(VX_ZONE_WARNING, "Reference was NULL\n");
}
return ret;
}