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Merge pull request #1141 from HifiExperiments/ktxFix

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Fix ktx issue
This commit is contained in:
Kalila 2021-04-02 06:49:47 -04:00 committed by GitHub
commit b586425ec2
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1 changed files with 11 additions and 9 deletions
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20
libraries/gpu/src/gpu/Texture_ktx.cpp
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@ -40,7 +40,7 @@ struct GPUKTXPayload {
Sampler::Desc _samplerDesc; Sampler::Desc _samplerDesc;
Texture::Usage _usage; Texture::Usage _usage;
TextureUsageType _usageType; TextureUsageType _usageType;
glm::ivec2 _originalSize; glm::ivec2 _originalSize { 0, 0 };
Byte* serialize(Byte* data) const { Byte* serialize(Byte* data) const {
*(Version*)data = CURRENT_VERSION; *(Version*)data = CURRENT_VERSION;
@ -65,15 +65,14 @@ struct GPUKTXPayload {
} }
bool unserialize(const Byte* data, size_t size) { bool unserialize(const Byte* data, size_t size) {
if (size != SIZE) {
return false;
}
Version version = *(const Version*)data; Version version = *(const Version*)data;
if (version != CURRENT_VERSION) { data += sizeof(Version);
if (version > CURRENT_VERSION) {
// If we try to load a version that we don't know how to parse,
// it will render incorrectly
return false; return false;
} }
data += sizeof(Version);
memcpy(&_samplerDesc, data, sizeof(Sampler::Desc)); memcpy(&_samplerDesc, data, sizeof(Sampler::Desc));
data += sizeof(Sampler::Desc); data += sizeof(Sampler::Desc);
@ -88,8 +87,11 @@ struct GPUKTXPayload {
memcpy(&_usageType, data, sizeof(TextureUsageType)); memcpy(&_usageType, data, sizeof(TextureUsageType));
data += sizeof(TextureUsageType); data += sizeof(TextureUsageType);
memcpy(&_originalSize, data, sizeof(glm::ivec2)); if (version >= 2) {
data += sizeof(glm::ivec2); memcpy(&_originalSize, data, sizeof(glm::ivec2));
data += sizeof(glm::ivec2);
}
return true; return true;
} }