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Add persisting of ktx min mips available to ktx cache file

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Ryan Huffman 2017-04-18 21:16:17 -07:00 committed by Atlante45
parent 5594e81fe4
commit 70eaac8d6c
5 changed files with 22 additions and 4 deletions
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6
libraries/gpu-gl/src/gpu/gl/GLTexture.cpp
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@ -458,12 +458,12 @@ void GLVariableAllocationSupport::updateMemoryPressure() {
float pressure = (float)totalVariableMemoryAllocation / (float)allowedMemoryAllocation;
auto newState = MemoryPressureState::Idle;
if (pressure > OVERSUBSCRIBED_PRESSURE_VALUE && canDemote) {
if (hasTransfers) {
newState = MemoryPressureState::Transfer;
} else if (pressure > OVERSUBSCRIBED_PRESSURE_VALUE && canDemote) {
newState = MemoryPressureState::Oversubscribed;
} else if (pressure < UNDERSUBSCRIBED_PRESSURE_VALUE && unallocated != 0 && canPromote) {
newState = MemoryPressureState::Undersubscribed;
} else if (hasTransfers) {
newState = MemoryPressureState::Transfer;
}
if (newState != _memoryPressureState) {

4
libraries/gpu/src/gpu/Texture_ktx.cpp
View file

@ -155,6 +155,7 @@ void KtxStorage::assignMipData(uint16 level, const storage::StoragePointer& stor
data += ktx::KTX_HEADER_SIZE + _ktxDescriptor->header.bytesOfKeyValueData + _ktxDescriptor->images[level]._imageOffset;
data += 4;
auto offset = _ktxDescriptor->getValueOffsetForKey(ktx::HIFI_MIN_POPULATED_MIP_KEY);
{
std::lock_guard<std::mutex> lock { _cacheFileWriteMutex };
@ -165,6 +166,9 @@ void KtxStorage::assignMipData(uint16 level, const storage::StoragePointer& stor
memcpy(data, storage->data(), _ktxDescriptor->images[level]._imageSize);
_minMipLevelAvailable = level;
if (offset > 0) {
memcpy(file->mutableData() + ktx::KTX_HEADER_SIZE + offset, (uint8_t)_minMipLevelAvailable, 1);
}
}
}

12
libraries/ktx/src/ktx/KTX.cpp
View file

@ -118,6 +118,18 @@ size_t Header::evalImageSize(uint32_t level) const {
}
}
size_t KTXDescriptor::getValueOffsetForKey(const std::string& key) const {
size_t offset { 0 };
for (auto& kv : keyValues) {
if (kv._key == key) {
return offset + kv._key.size() + 1;
}
offset += kv.serializedByteSize();
}
return 0;
}
ImageDescriptors Header::generateImageDescriptors() const {
ImageDescriptors descriptors;

1
libraries/ktx/src/ktx/KTX.h
View file

@ -471,6 +471,7 @@ namespace ktx {
const ImageDescriptors images;
size_t getMipFaceTexelsSize(uint16_t mip = 0, uint8_t face = 0) const;
size_t getMipFaceTexelsOffset(uint16_t mip = 0, uint8_t face = 0) const;
size_t getValueOffsetForKey(const std::string& key) const;
};
class KTX {

3
libraries/model-networking/src/model-networking/TextureCache.cpp
View file

@ -377,8 +377,8 @@ void NetworkTexture::makeRequest() {
startMipRangeRequest(NULL_MIP_LEVEL, NULL_MIP_LEVEL);
} else if (_ktxResourceState == PENDING_MIP_REQUEST) {
_ktxResourceState = REQUESTING_MIP;
if (_lowestKnownPopulatedMip > 0) {
_ktxResourceState = REQUESTING_MIP;
startMipRangeRequest(_lowestKnownPopulatedMip - 1, _lowestKnownPopulatedMip - 1);
}
} else {
@ -393,6 +393,7 @@ void NetworkTexture::handleMipInterestCallback(uint16_t level) {
}
void NetworkTexture::handleMipInterestLevel(int level) {
_lowestRequestedMipLevel = std::min((uint16_t)level, _lowestRequestedMipLevel);
startRequestForNextMipLevel();
}