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HoloLens: Fixed erroneous size of array payload for the binary packets. Memory for the actual array data ended up being twice as large as needed. Also fixed incorrect array size for texture coordinates.

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This commit is contained in:
sigurdp
2018-10-15 23:19:40 +02:00
parent dc02c9d2a1
commit 22abc52e7a
3 changed files with 31 additions and 7 deletions
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27
ApplicationCode/Commands/HoloLensCommands/VdeArrayDataPacket.cpp
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@@ -18,6 +18,7 @@
#include "VdeArrayDataPacket.h"
#include <algorithm>
#include <cassert>
@@ -107,11 +108,20 @@ VdeArrayDataPacket::ElementType VdeArrayDataPacket::elementType() const
//--------------------------------------------------------------------------------------------------
size_t VdeArrayDataPacket::elementSize() const
{
switch (m_elementType)
return sizeOfElement(m_elementType);
}
//--------------------------------------------------------------------------------------------------
/// Size of specified element type in bytes
//--------------------------------------------------------------------------------------------------
size_t VdeArrayDataPacket::sizeOfElement(ElementType elementType)
{
switch (elementType)
{
case Uint32: return sizeof(unsigned int);
case Float32: return sizeof(float);
case Unknown: return 0;
case Float32: return sizeof(float);
case Uint32: return sizeof(unsigned int);
case Uint8: return sizeof(unsigned char);
}
return 0;
@@ -235,6 +245,9 @@ VdeArrayDataPacket VdeArrayDataPacket::fromRawPacketBuffer(const char* rawPacket
const char* payloadPtr = rawPacketBuffer + VDE_HEADER_SIZE;
const size_t payloadSizeInBytes = bufferSize - VDE_HEADER_SIZE;
const size_t payloadSizeInBytesFromPacketFields = elementCount*sizeOfElement(elementType);
assert(payloadSizeInBytes == payloadSizeInBytesFromPacketFields);
VdeArrayDataPacket packet;
packet.assign(packetId, elementType, elementCount, imageWidth, imageHeight, imageCompCount, payloadPtr, payloadSizeInBytes);
@@ -246,6 +259,8 @@ VdeArrayDataPacket VdeArrayDataPacket::fromRawPacketBuffer(const char* rawPacket
//--------------------------------------------------------------------------------------------------
bool VdeArrayDataPacket::assign(int arrayId, ElementType elementType, size_t elementCount, unsigned short imageWidth, unsigned short imageHeight, unsigned char imageCompCount, const char* arrayDataPtr, size_t arrayDataSizeInBytes)
{
assert(arrayDataSizeInBytes > 0);
const size_t totalSizeBytes = VDE_HEADER_SIZE + arrayDataSizeInBytes;
m_packetBytes.resize(totalSizeBytes);
@@ -258,7 +273,11 @@ bool VdeArrayDataPacket::assign(int arrayId, ElementType elementType, size_t ele
bufferWriter.setUint16(VDE_BYTEOFFSET_IMAGE_WIDTH, imageWidth);
bufferWriter.setUint16(VDE_BYTEOFFSET_IMAGE_HEIGHT, imageHeight);
m_packetBytes.insert(m_packetBytes.begin() + VDE_HEADER_SIZE, arrayDataPtr, arrayDataPtr + arrayDataSizeInBytes);
const size_t calcArraySizeInBytes = elementCount*sizeOfElement(elementType);
assert(arrayDataSizeInBytes == calcArraySizeInBytes);
std::copy(arrayDataPtr, arrayDataPtr + arrayDataSizeInBytes, m_packetBytes.begin() + VDE_HEADER_SIZE);
assert(m_packetBytes.size() == totalSizeBytes);
m_arrayId = arrayId;
m_elementType = elementType;