ZIntPoint ZDvidInfo::getBlockIndex(double x, double y, double z) const
{
ZIntPoint blockIndex(-1, -1, -1);
if (x < m_startCoordinates[0] ||
x >= m_startCoordinates[0] + m_stackSize[0]) {
return blockIndex;
}
if (y < m_startCoordinates[1] ||
y >= m_startCoordinates[1] + m_stackSize[1]) {
return blockIndex;
}
if (z < m_startCoordinates[2] ||
z >= m_startCoordinates[2] + m_stackSize[2]) {
return blockIndex;
}
int pt[3];
pt[0] = iround(x);
pt[1] = iround(y);
pt[2] = iround(z);
for (int i = 0; i < 3; ++i) {
blockIndex[i] = (pt[i] - m_startCoordinates[i]) /
m_blockSize[i] + m_startBlockIndex[i];
}
return blockIndex;
}
void UniformBlock::updateBinding() const
{
m_program->checkDirty();
glUniformBlockBinding(m_program->id(), blockIndex(), m_bindingIndex);
}
ZIntPoint ZDvidInfo::getBlockIndex(int x, int y, int z) const
{
ZIntPoint blockIndex(-1, -1, -1);
if (x < m_startCoordinates[0] ||
x >= m_startCoordinates[0] + m_stackSize[0]) {
return blockIndex;
}
if (y < m_startCoordinates[1] ||
y >= m_startCoordinates[1] + m_stackSize[1]) {
return blockIndex;
}
if (z < m_startCoordinates[2] ||
z >= m_startCoordinates[2] + m_stackSize[2]) {
return blockIndex;
}
blockIndex.set(
(x - m_startCoordinates[0]) / m_blockSize[0] + m_startBlockIndex[0],
(y - m_startCoordinates[1]) / m_blockSize[1] + m_startBlockIndex[1],
(z - m_startCoordinates[2]) / m_blockSize[2] + m_startBlockIndex[2]);
#if 0
for (int i = 0; i < 3; ++i) {
blockIndex[i] = (pt[i] - m_startCoordinates[i]) /
m_blockSize[i] + m_startBlockIndex[i];
}
#endif
return blockIndex;
}
TEST memory_blockIndex(){
int i = 4;
int *p1 = &i;
int *p2 = p1 + 5;
int *p3 = blockIndex(p1, 5, sizeof(int));
ASSERT_EQ(p2, p3);
PASS();
}
void Descriptor::commitVersion(uint64_t version) {
auto index = blockIndex(version);
auto mask = (0x1u << ((version - 1) % BITS_PER_BLOCK));
mDescriptor[index] |= mask;
if (version == mBaseVersion + 1) {
updateBaseVersion();
}
}
void Descriptor::updateBaseVersion() {
auto index = blockIndex(mBaseVersion + 1);
// Process version blocks where all versions are marked as committed
// Release the block and increase base version so that it is aligned to the next block
for (; mDescriptor[index] == std::numeric_limits<BlockType>::max(); index = ((index + 1) % CAPACITY)) {
mBaseVersion += ((mBaseVersion % BITS_PER_BLOCK != 0)
? (BITS_PER_BLOCK - (mBaseVersion % BITS_PER_BLOCK))
: BITS_PER_BLOCK);
mDescriptor[index] = 0x0u;
}
// Process the version block where the versions are only partially marked as committed
// Check the block bit by bit and increase base version until the first uncommitted version is encountered
for (; (mDescriptor[index] & (0x1u << (mBaseVersion % BITS_PER_BLOCK))) != 0x0u; ++mBaseVersion) {
}
LOG_ASSERT(blockIndex(mBaseVersion + 1) == index, "Base version and block index do not match");
}
bool Descriptor::isCommitted(uint64_t version) const {
if (version <= mBaseVersion) {
return true;
}
if (version > mLastVersion) {
return false;
}
auto index = blockIndex(version);
auto mask = (0x1u << ((version - 1) % BITS_PER_BLOCK));
return (mDescriptor[index] & mask) != 0x0u;
}
std::string UniformBlock::getName() const
{
if (m_identity.isName())
return m_identity.name();
GLint length = getActive(GL_UNIFORM_BLOCK_NAME_LENGTH);
std::vector<char> name(length);
glGetActiveUniformBlockName(m_program->id(), blockIndex(), length, nullptr, name.data());
return std::string(name.data(), length);
}
void Descriptor::serialize(crossbow::buffer_writer& writer) const {
if (mBaseVersion >= mLastVersion) {
return;
}
auto startIndex = blockIndex(mBaseVersion + 1);
auto endIndex = blockIndex(mLastVersion);
auto descLen = ((endIndex < startIndex ? CAPACITY - startIndex + endIndex : endIndex - startIndex) + 1)
* sizeof(BlockType);
LOG_ASSERT(descLen == serializedLength(), "Sizes do not match");
if (!writer.canWrite(descLen)) {
throw std::length_error("Output buffer too small for descriptor");
}
if (endIndex < startIndex) {
writer.write(&mDescriptor[startIndex], (CAPACITY - startIndex) * sizeof(BlockType));
startIndex = 0;
}
writer.write(&mDescriptor[startIndex], (endIndex - startIndex) * sizeof(BlockType));
auto mask = (0x1u << ((mLastVersion - 1) % BITS_PER_BLOCK));
auto endBlock = mDescriptor[endIndex] | mask;
writer.write<BlockType>(endBlock);
}
QModelIndex TextDocumentStructureModel::index(int row, int column, const QModelIndex &parentIndex) const
{
kDebug(32500) << "-------------------------- row:" << row << "column:"<<column << "index:"<<parentIndex<<m_textDocument;
if (! m_textDocument) {
return QModelIndex();
}
if (! parentIndex.isValid()) {
return createIndex(row, column, static_cast<quintptr>(0));
}
Q_ASSERT(parentIndex.internalId() < uint(m_nodeDataTable.count()));
const NodeData &nodeData = m_nodeDataTable.at(parentIndex.internalId());
// can be only frame for now
Q_ASSERT(nodeData.type == NodeData::Frame);
QTextFrame* parentFrame = nodeData.frame;
int index = -1;
int count = 0;
for (QTextFrame::iterator iterator = parentFrame->begin(); !iterator.atEnd(); ++iterator) {
if (count == row) {
QTextFrame *frame = iterator.currentFrame();
if (frame) {
index = frameIndex(frame);
break;
} else {
QTextBlock block = iterator.currentBlock();
if (block.isValid()) {
index = blockIndex(block);
break;
}
}
}
++count;
}
Q_ASSERT(index != -1);
return createIndex(row, column, index);
}
void addSplat(int textureIndex, const TextureSplat &splat)
{
if(blendings.empty())
return;
BlendStorage &storage = blendings[textureIndex];
if(storage.weights.empty())
storage.weights.resize(size.x * size.y);
int limitY = splat.size.y;
int limitX = splat.size.x;
if(limitX + splat.position.x >= size.x - 2)
limitX = size.x - 2 - splat.position.x;
if(limitY + splat.position.y >= size.y - 2)
limitY = size.y - 2 - splat.position.y;
for(int j = 0; j < limitY; ++j)
for(int i = 0; i < limitX; ++i)
{
int positionX = splat.position.x + i;
int positionY = j + splat.position.y;
int position = positionY * size.x + positionX;
if(positionX < 0 || positionX >= size.x)
continue;
if(positionY < 0 || positionX >= size.x)
continue;
int oldWeight = storage.weights[position];
int newWeight = splat.weights[j * splat.size.x + i];
if(newWeight < oldWeight)
continue;
VC2I blockIndex(positionX / (BLOCK_SIZE - 1), positionY / (BLOCK_SIZE - 1));
VC2I blockPosition(positionX - blockIndex.x * (BLOCK_SIZE - 1), positionY - blockIndex.y * (BLOCK_SIZE - 1));
//if(blockPosition.x < 0 || blockPosition.y < 0)
// continue;
//if(blockPosition.x >= blockAmount.x || blockPosition.y >= blockAmount.y)
// continue;
// Normalize old weights
{
int sum = 255 - newWeight;
for(unsigned int k = 0; k < blendings.size(); ++k)
{
int original = blendings[k].weights[position];
blendings[k].weights[position] = sum * blendings[k].weights[position] / 255;
if(original)
setPixel(blockIndex, blockPosition, k, blendings[k].weights[position]);
}
int newSum = 0;
for(unsigned int k = 0; k < blendings.size(); ++k)
{
if(int(k) != textureIndex)
newSum += blendings[k].weights[position];
}
int diff = sum - newSum;
newWeight += diff;
}
storage.weights[position] = newWeight;
setPixel(blockIndex, blockPosition, textureIndex, newWeight);
}
}
QString KCharSelectData::section(CharSelectData* charselect, uint16_t unicode)
{
return sectionName(sectionIndex(blockIndex(c)));
}
QString KCharSelectData::block(CharSelectData* charselect, uint16_t unicode)
{
return blockName(blockIndex(c));
}
void UniformBlock::getActive(const GLenum pname, GLint * params) const
{
m_program->checkDirty();
glGetActiveUniformBlockiv(m_program->id(), blockIndex(), pname, params);
}
