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Merge pull request #10306 from Atlante45/feat/progressive-load-ktx

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Load High Mips before Fbx after skybox
This commit is contained in:
Clément Brisset 2017-05-01 14:56:22 -07:00 committed by GitHub
commit 42294fa8c0
1 changed files with 10 additions and 5 deletions
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15
libraries/model-networking/src/model-networking/TextureCache.cpp
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@ -50,7 +50,8 @@ Q_LOGGING_CATEGORY(trace_resource_parse_image_ktx, "trace.resource.parse.image.k
const std::string TextureCache::KTX_DIRNAME { "ktx_cache" };
const std::string TextureCache::KTX_EXT { "ktx" };
static const int SKYBOX_LOAD_PRIORITY { 10 }; // Make sure skybox loads first
static const float SKYBOX_LOAD_PRIORITY { 10.0f }; // Make sure skybox loads first
static const float HIGH_MIPS_LOAD_PRIORITY { 9.0f }; // Make sure high mips loads after skybox but before models
TextureCache::TextureCache() :
_ktxCache(KTX_DIRNAME, KTX_EXT) {
@ -261,9 +262,6 @@ QSharedPointer<Resource> TextureCache::createResource(const QUrl& url, const QSh
auto content = textureExtra ? textureExtra->content : QByteArray();
auto maxNumPixels = textureExtra ? textureExtra->maxNumPixels : ABSOLUTE_MAX_TEXTURE_NUM_PIXELS;
NetworkTexture* texture = new NetworkTexture(url, type, content, maxNumPixels);
if (type == image::TextureUsage::CUBE_TEXTURE) {
texture->setLoadPriority(this, SKYBOX_LOAD_PRIORITY);
}
return QSharedPointer<Resource>(texture, &Resource::deleter);
}
@ -276,6 +274,12 @@ NetworkTexture::NetworkTexture(const QUrl& url, image::TextureUsage::Type type,
_textureSource = std::make_shared<gpu::TextureSource>();
_lowestRequestedMipLevel = 0;
if (type == image::TextureUsage::CUBE_TEXTURE) {
setLoadPriority(this, SKYBOX_LOAD_PRIORITY);
} else if (_sourceIsKTX) {
setLoadPriority(this, HIGH_MIPS_LOAD_PRIORITY);
}
if (!url.isValid()) {
_loaded = true;
}
@ -397,7 +401,8 @@ void NetworkTexture::startRequestForNextMipLevel() {
_ktxResourceState = PENDING_MIP_REQUEST;
init();
setLoadPriority(this, -static_cast<int>(_originalKtxDescriptor->header.numberOfMipmapLevels) + _lowestKnownPopulatedMip);
float priority = -(float)_originalKtxDescriptor->header.numberOfMipmapLevels + (float)_lowestKnownPopulatedMip;
setLoadPriority(this, priority);
_url.setFragment(QString::number(_lowestKnownPopulatedMip - 1));
TextureCache::attemptRequest(_self);
}