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Implement glTF texture wrapping support

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This commit is contained in:
Lars Mueller 2024-10-08 20:34:16 +02:00 • committed by Lars Müller
parent 2fee37f31b
commit 224066c1d3
3 changed files with 52 additions and 25 deletions
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30
lib/tiniergltf/tiniergltf.hpp
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@ -980,21 +980,16 @@ struct Sampler {
};
std::optional<MinFilter> minFilter;
std::optional<std::string> name;
enum class WrapS {
enum class Wrap {
REPEAT,
CLAMP_TO_EDGE,
MIRRORED_REPEAT,
};
WrapS wrapS;
enum class WrapT {
REPEAT,
CLAMP_TO_EDGE,
MIRRORED_REPEAT,
};
WrapT wrapT;
Wrap wrapS;
Wrap wrapT;
Sampler(const Json::Value &o)
: wrapS(WrapS::REPEAT)
, wrapT(WrapT::REPEAT)
: wrapS(Wrap::REPEAT)
, wrapT(Wrap::REPEAT)
{
check(o.isObject());
if (o.isMember("magFilter")) {
@ -1020,21 +1015,16 @@ struct Sampler {
if (o.isMember("name")) {
name = as<std::string>(o["name"]);
}
static std::unordered_map<Json::UInt64, Wrap> map = {
{10497, Wrap::REPEAT},
{33071, Wrap::CLAMP_TO_EDGE},
{33648, Wrap::MIRRORED_REPEAT},
};
if (o.isMember("wrapS")) {
static std::unordered_map<Json::UInt64, WrapS> map = {
{10497, WrapS::REPEAT},
{33071, WrapS::CLAMP_TO_EDGE},
{33648, WrapS::MIRRORED_REPEAT},
};
const auto &v = o["wrapS"]; check(v.isUInt64());
wrapS = map.at(v.asUInt64());
}
if (o.isMember("wrapT")) {
static std::unordered_map<Json::UInt64, WrapT> map = {
{10497, WrapT::REPEAT},
{33071, WrapT::CLAMP_TO_EDGE},
{33648, WrapT::MIRRORED_REPEAT},
};
const auto &v = o["wrapT"]; check(v.isUInt64());
wrapT = map.at(v.asUInt64());
}