Merge branch 'master' into 3mf-improvements

This commit is contained in:
Kim Kulling
2021-01-02 13:14:13 +01:00
committed by GitHub
18 changed files with 2808 additions and 1862 deletions

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@@ -46,6 +46,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* KHR_materials_pbrSpecularGlossiness full
* KHR_materials_unlit full
* KHR_lights_punctual full
* KHR_materials_sheen full
* KHR_materials_clearcoat full
* KHR_materials_transmission full
*/
#ifndef GLTF2ASSET_H_INC
#define GLTF2ASSET_H_INC
@@ -677,6 +680,7 @@ const vec4 defaultBaseColor = { 1, 1, 1, 1 };
const vec3 defaultEmissiveFactor = { 0, 0, 0 };
const vec4 defaultDiffuseFactor = { 1, 1, 1, 1 };
const vec3 defaultSpecularFactor = { 1, 1, 1 };
const vec3 defaultSheenFactor = { 0, 0, 0 };
struct TextureInfo {
Ref<Texture> texture;
@@ -718,6 +722,29 @@ struct PbrSpecularGlossiness {
void SetDefaults();
};
struct MaterialSheen {
vec3 sheenColorFactor;
float sheenRoughnessFactor;
TextureInfo sheenColorTexture;
TextureInfo sheenRoughnessTexture;
MaterialSheen() { SetDefaults(); }
void SetDefaults();
};
struct MaterialClearcoat {
float clearcoatFactor = 0.f;
float clearcoatRoughnessFactor = 0.f;
TextureInfo clearcoatTexture;
TextureInfo clearcoatRoughnessTexture;
NormalTextureInfo clearcoatNormalTexture;
};
struct MaterialTransmission {
TextureInfo transmissionTexture;
float transmissionFactor = 0.f;
};
//! The material appearance of a primitive.
struct Material : public Object {
//PBR metallic roughness properties
@@ -735,6 +762,15 @@ struct Material : public Object {
//extension: KHR_materials_pbrSpecularGlossiness
Nullable<PbrSpecularGlossiness> pbrSpecularGlossiness;
//extension: KHR_materials_sheen
Nullable<MaterialSheen> materialSheen;
//extension: KHR_materials_clearcoat
Nullable<MaterialClearcoat> materialClearcoat;
//extension: KHR_materials_transmission
Nullable<MaterialTransmission> materialTransmission;
//extension: KHR_materials_unlit
bool unlit;
@@ -1053,6 +1089,9 @@ public:
bool KHR_materials_unlit;
bool KHR_lights_punctual;
bool KHR_texture_transform;
bool KHR_materials_sheen;
bool KHR_materials_clearcoat;
bool KHR_materials_transmission;
} extensionsUsed;
//! Keeps info about the required extensions

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@@ -1046,6 +1046,44 @@ inline void Material::Read(Value &material, Asset &r) {
if (r.extensionsUsed.KHR_texture_transform) {
}
if (r.extensionsUsed.KHR_materials_sheen) {
if (Value *curMaterialSheen = FindObject(*extensions, "KHR_materials_sheen")) {
MaterialSheen sheen;
ReadMember(*curMaterialSheen, "sheenColorFactor", sheen.sheenColorFactor);
ReadTextureProperty(r, *curMaterialSheen, "sheenColorTexture", sheen.sheenColorTexture);
ReadMember(*curMaterialSheen, "sheenRoughnessFactor", sheen.sheenRoughnessFactor);
ReadTextureProperty(r, *curMaterialSheen, "sheenRoughnessTexture", sheen.sheenRoughnessTexture);
this->materialSheen = Nullable<MaterialSheen>(sheen);
}
}
if (r.extensionsUsed.KHR_materials_clearcoat) {
if (Value *curMaterialClearcoat = FindObject(*extensions, "KHR_materials_clearcoat")) {
MaterialClearcoat clearcoat;
ReadMember(*curMaterialClearcoat, "clearcoatFactor", clearcoat.clearcoatFactor);
ReadTextureProperty(r, *curMaterialClearcoat, "clearcoatTexture", clearcoat.clearcoatTexture);
ReadMember(*curMaterialClearcoat, "clearcoatRoughnessFactor", clearcoat.clearcoatRoughnessFactor);
ReadTextureProperty(r, *curMaterialClearcoat, "clearcoatRoughnessTexture", clearcoat.clearcoatRoughnessTexture);
ReadTextureProperty(r, *curMaterialClearcoat, "clearcoatNormalTexture", clearcoat.clearcoatNormalTexture);
this->materialClearcoat = Nullable<MaterialClearcoat>(clearcoat);
}
}
if (r.extensionsUsed.KHR_materials_transmission) {
if (Value *curMaterialTransmission = FindObject(*extensions, "KHR_materials_transmission")) {
MaterialTransmission transmission;
ReadMember(*curMaterialTransmission, "transmissionFactor", transmission.transmissionFactor);
ReadTextureProperty(r, *curMaterialTransmission, "transmissionTexture", transmission.transmissionTexture);
this->materialTransmission = Nullable<MaterialTransmission>(transmission);
}
}
unlit = nullptr != FindObject(*extensions, "KHR_materials_unlit");
}
}
@@ -1085,6 +1123,12 @@ inline void PbrSpecularGlossiness::SetDefaults() {
glossinessFactor = 1.0;
}
inline void MaterialSheen::SetDefaults() {
//KHR_materials_sheen properties
SetVector(sheenColorFactor, defaultSheenFactor);
sheenRoughnessFactor = 0.f;
}
namespace {
template <int N>
@@ -1737,6 +1781,9 @@ inline void Asset::ReadExtensionsUsed(Document &doc) {
CHECK_EXT(KHR_materials_unlit);
CHECK_EXT(KHR_lights_punctual);
CHECK_EXT(KHR_texture_transform);
CHECK_EXT(KHR_materials_sheen);
CHECK_EXT(KHR_materials_clearcoat);
CHECK_EXT(KHR_materials_transmission);
#undef CHECK_EXT
}

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@@ -46,6 +46,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* glTF Extensions Support:
* KHR_materials_pbrSpecularGlossiness: full
* KHR_materials_unlit: full
* KHR_materials_sheen: full
* KHR_materials_clearcoat: full
* KHR_materials_transmission: full
*/
#ifndef GLTF2ASSETWRITER_H_INC
#define GLTF2ASSETWRITER_H_INC

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@@ -417,6 +417,63 @@ namespace glTF2 {
exts.AddMember("KHR_materials_unlit", unlit, w.mAl);
}
if (m.materialSheen.isPresent) {
Value materialSheen(rapidjson::Type::kObjectType);
MaterialSheen &sheen = m.materialSheen.value;
WriteVec(materialSheen, sheen.sheenColorFactor, "sheenColorFactor", defaultSheenFactor, w.mAl);
if (sheen.sheenRoughnessFactor != 0.f) {
WriteFloat(materialSheen, sheen.sheenRoughnessFactor, "sheenRoughnessFactor", w.mAl);
}
WriteTex(materialSheen, sheen.sheenColorTexture, "sheenColorTexture", w.mAl);
WriteTex(materialSheen, sheen.sheenRoughnessTexture, "sheenRoughnessTexture", w.mAl);
if (!materialSheen.ObjectEmpty()) {
exts.AddMember("KHR_materials_sheen", materialSheen, w.mAl);
}
}
if (m.materialClearcoat.isPresent) {
Value materialClearcoat(rapidjson::Type::kObjectType);
MaterialClearcoat &clearcoat = m.materialClearcoat.value;
if (clearcoat.clearcoatFactor != 0.f) {
WriteFloat(materialClearcoat, clearcoat.clearcoatFactor, "clearcoatFactor", w.mAl);
}
if (clearcoat.clearcoatRoughnessFactor != 0.f) {
WriteFloat(materialClearcoat, clearcoat.clearcoatRoughnessFactor, "clearcoatRoughnessFactor", w.mAl);
}
WriteTex(materialClearcoat, clearcoat.clearcoatTexture, "clearcoatTexture", w.mAl);
WriteTex(materialClearcoat, clearcoat.clearcoatRoughnessTexture, "clearcoatRoughnessTexture", w.mAl);
WriteTex(materialClearcoat, clearcoat.clearcoatNormalTexture, "clearcoatNormalTexture", w.mAl);
if (!materialClearcoat.ObjectEmpty()) {
exts.AddMember("KHR_materials_clearcoat", materialClearcoat, w.mAl);
}
}
if (m.materialTransmission.isPresent) {
Value materialTransmission(rapidjson::Type::kObjectType);
MaterialTransmission &transmission = m.materialTransmission.value;
if (transmission.transmissionFactor != 0.f) {
WriteFloat(materialTransmission, transmission.transmissionFactor, "transmissionFactor", w.mAl);
}
WriteTex(materialTransmission, transmission.transmissionTexture, "transmissionTexture", w.mAl);
if (!materialTransmission.ObjectEmpty()) {
exts.AddMember("KHR_materials_transmission", materialTransmission, w.mAl);
}
}
if (!exts.ObjectEmpty()) {
obj.AddMember("extensions", exts, w.mAl);
}
@@ -808,6 +865,18 @@ namespace glTF2 {
if (this->mAsset.extensionsUsed.KHR_materials_unlit) {
exts.PushBack(StringRef("KHR_materials_unlit"), mAl);
}
if (this->mAsset.extensionsUsed.KHR_materials_sheen) {
exts.PushBack(StringRef("KHR_materials_sheen"), mAl);
}
if (this->mAsset.extensionsUsed.KHR_materials_clearcoat) {
exts.PushBack(StringRef("KHR_materials_clearcoat"), mAl);
}
if (this->mAsset.extensionsUsed.KHR_materials_transmission) {
exts.PushBack(StringRef("KHR_materials_transmission"), mAl);
}
}
if (!exts.Empty())

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@@ -714,6 +714,53 @@ void glTF2Exporter::ExportMaterials()
mAsset->extensionsUsed.KHR_materials_unlit = true;
m->unlit = true;
}
bool hasMaterialSheen = false;
mat->Get(AI_MATKEY_GLTF_MATERIAL_SHEEN, hasMaterialSheen);
if (hasMaterialSheen) {
mAsset->extensionsUsed.KHR_materials_sheen = true;
MaterialSheen sheen;
GetMatColor(mat, sheen.sheenColorFactor, AI_MATKEY_GLTF_MATERIAL_SHEEN_COLOR_FACTOR);
mat->Get(AI_MATKEY_GLTF_MATERIAL_SHEEN_ROUGHNESS_FACTOR, sheen.sheenRoughnessFactor);
GetMatTex(mat, sheen.sheenColorTexture, AI_MATKEY_GLTF_MATERIAL_SHEEN_COLOR_TEXTURE);
GetMatTex(mat, sheen.sheenRoughnessTexture, AI_MATKEY_GLTF_MATERIAL_SHEEN_ROUGHNESS_TEXTURE);
m->materialSheen = Nullable<MaterialSheen>(sheen);
}
bool hasMaterialClearcoat = false;
mat->Get(AI_MATKEY_GLTF_MATERIAL_CLEARCOAT, hasMaterialClearcoat);
if (hasMaterialClearcoat) {
mAsset->extensionsUsed.KHR_materials_clearcoat= true;
MaterialClearcoat clearcoat;
mat->Get(AI_MATKEY_GLTF_MATERIAL_CLEARCOAT_FACTOR, clearcoat.clearcoatFactor);
mat->Get(AI_MATKEY_GLTF_MATERIAL_CLEARCOAT_ROUGHNESS_FACTOR, clearcoat.clearcoatRoughnessFactor);
GetMatTex(mat, clearcoat.clearcoatTexture, AI_MATKEY_GLTF_MATERIAL_CLEARCOAT_TEXTURE);
GetMatTex(mat, clearcoat.clearcoatRoughnessTexture, AI_MATKEY_GLTF_MATERIAL_CLEARCOAT_ROUGHNESS_TEXTURE);
GetMatTex(mat, clearcoat.clearcoatNormalTexture, AI_MATKEY_GLTF_MATERIAL_CLEARCOAT_NORMAL_TEXTURE);
m->materialClearcoat = Nullable<MaterialClearcoat>(clearcoat);
}
bool hasMaterialTransmission = false;
mat->Get(AI_MATKEY_GLTF_MATERIAL_TRANSMISSION, hasMaterialTransmission);
if (hasMaterialTransmission) {
mAsset->extensionsUsed.KHR_materials_transmission = true;
MaterialTransmission transmission;
mat->Get(AI_MATKEY_GLTF_MATERIAL_TRANSMISSION_FACTOR, transmission.transmissionFactor);
GetMatTex(mat, transmission.transmissionTexture, AI_MATKEY_GLTF_MATERIAL_TRANSMISSION_TEXTURE);
m->materialTransmission = Nullable<MaterialTransmission>(transmission);
}
}
}

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@@ -282,6 +282,38 @@ static aiMaterial *ImportMaterial(std::vector<int> &embeddedTexIdxs, Asset &r, M
aimat->AddProperty(&mat.unlit, 1, AI_MATKEY_GLTF_UNLIT);
}
//KHR_materials_sheen
if (mat.materialSheen.isPresent) {
MaterialSheen &sheen = mat.materialSheen.value;
aimat->AddProperty(&mat.materialSheen.isPresent, 1, AI_MATKEY_GLTF_MATERIAL_SHEEN);
SetMaterialColorProperty(r, sheen.sheenColorFactor, aimat, AI_MATKEY_GLTF_MATERIAL_SHEEN_COLOR_FACTOR);
aimat->AddProperty(&sheen.sheenRoughnessFactor, 1, AI_MATKEY_GLTF_MATERIAL_SHEEN_ROUGHNESS_FACTOR);
SetMaterialTextureProperty(embeddedTexIdxs, r, sheen.sheenColorTexture, aimat, AI_MATKEY_GLTF_MATERIAL_SHEEN_COLOR_TEXTURE);
SetMaterialTextureProperty(embeddedTexIdxs, r, sheen.sheenRoughnessTexture, aimat, AI_MATKEY_GLTF_MATERIAL_SHEEN_ROUGHNESS_TEXTURE);
}
//KHR_materials_clearcoat
if (mat.materialClearcoat.isPresent) {
MaterialClearcoat &clearcoat = mat.materialClearcoat.value;
aimat->AddProperty(&mat.materialClearcoat.isPresent, 1, AI_MATKEY_GLTF_MATERIAL_CLEARCOAT);
aimat->AddProperty(&clearcoat.clearcoatFactor, 1, AI_MATKEY_GLTF_MATERIAL_CLEARCOAT_FACTOR);
aimat->AddProperty(&clearcoat.clearcoatRoughnessFactor, 1, AI_MATKEY_GLTF_MATERIAL_CLEARCOAT_ROUGHNESS_FACTOR);
SetMaterialTextureProperty(embeddedTexIdxs, r, clearcoat.clearcoatTexture, aimat, AI_MATKEY_GLTF_MATERIAL_CLEARCOAT_TEXTURE);
SetMaterialTextureProperty(embeddedTexIdxs, r, clearcoat.clearcoatRoughnessTexture, aimat, AI_MATKEY_GLTF_MATERIAL_CLEARCOAT_ROUGHNESS_TEXTURE);
SetMaterialTextureProperty(embeddedTexIdxs, r, clearcoat.clearcoatNormalTexture, aimat, AI_MATKEY_GLTF_MATERIAL_CLEARCOAT_NORMAL_TEXTURE);
}
//KHR_materials_transmission
if (mat.materialTransmission.isPresent) {
MaterialTransmission &transmission = mat.materialTransmission.value;
aimat->AddProperty(&mat.materialTransmission.isPresent, 1, AI_MATKEY_GLTF_MATERIAL_TRANSMISSION);
aimat->AddProperty(&transmission.transmissionFactor, 1, AI_MATKEY_GLTF_MATERIAL_TRANSMISSION_FACTOR);
SetMaterialTextureProperty(embeddedTexIdxs, r, transmission.transmissionTexture, aimat, AI_MATKEY_GLTF_MATERIAL_TRANSMISSION_TEXTURE);
}
return aimat;
} catch (...) {
delete aimat;

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@@ -920,6 +920,7 @@ IF(ASSIMP_HUNTER_ENABLED)
find_package(minizip CONFIG REQUIRED)
ELSE()
SET( unzip_SRCS
../contrib/unzip/crypt.c
../contrib/unzip/crypt.h
../contrib/unzip/ioapi.c
../contrib/unzip/ioapi.h

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@@ -146,7 +146,6 @@ int IOSystem2Unzip::testerror(voidpf /*opaque*/, voidpf /*stream*/) {
zlib_filefunc_def IOSystem2Unzip::get(IOSystem *pIOHandler) {
zlib_filefunc_def mapping;
#if defined (ASSIMP_USE_HUNTER) || defined (__MINGW32__) // GH#3144
mapping.zopen_file = (open_file_func)open;
mapping.zread_file = (read_file_func)read;
mapping.zwrite_file = (write_file_func)write;
@@ -154,15 +153,7 @@ zlib_filefunc_def IOSystem2Unzip::get(IOSystem *pIOHandler) {
mapping.zseek_file = (seek_file_func)seek;
mapping.zclose_file = (close_file_func)close;
mapping.zerror_file = (error_file_func)testerror;
#else
mapping.zopen_file = open;
mapping.zread_file = read;
mapping.zwrite_file = write;
mapping.ztell_file = tell;
mapping.zseek_file = seek;
mapping.zclose_file = close;
mapping.zerror_file = testerror;
#endif
mapping.opaque = reinterpret_cast<voidpf>(pIOHandler);
return mapping;
@@ -226,10 +217,28 @@ ZipFile *ZipFileInfo::Extract(unzFile zip_handle) const {
ZipFile *zip_file = new ZipFile(m_Size);
if (unzReadCurrentFile(zip_handle, zip_file->m_Buffer.get(), static_cast<unsigned int>(m_Size)) != static_cast<int>(m_Size)) {
// Failed, release the memory
delete zip_file;
zip_file = nullptr;
// Unzip has a limit of UINT16_MAX bytes buffer
uint16_t unzipBufferSize = zip_file->m_Size <= UINT16_MAX ? static_cast<uint16_t>(zip_file->m_Size) : UINT16_MAX;
std::unique_ptr<uint8_t[]> unzipBuffer = std::unique_ptr<uint8_t[]>(new uint8_t[unzipBufferSize]);
size_t readCount = 0;
while (readCount < zip_file->m_Size)
{
size_t bufferSize = zip_file->m_Size - readCount;
if (bufferSize > UINT16_MAX) {
bufferSize = UINT16_MAX;
}
int ret = unzReadCurrentFile(zip_handle, unzipBuffer.get(), static_cast<unsigned int>(bufferSize));
if (ret != static_cast<int>(bufferSize))
{
// Failed, release the memory
delete zip_file;
zip_file = nullptr;
break;
}
std::memcpy(zip_file->m_Buffer.get() + readCount, unzipBuffer.get(), ret);
readCount += ret;
}
ai_assert(unzCloseCurrentFile(zip_handle) == UNZ_OK);