/*
- * Copyright (c) 2022 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2023 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "dali-scene3d/public-api/loader/mesh-definition.h"
// EXTERNAL INCLUDES
+#include <dali/devel-api/adaptor-framework/file-stream.h>
+#include <dali/integration-api/debug.h>
#include <cstring>
#include <fstream>
#include "dali/devel-api/adaptor-framework/pixel-buffer.h"
{
namespace
{
-using Uint16Vector4 = uint16_t[4];
-
class IndexProvider
{
public:
/// at least @a descriptor.length bytes.
bool ReadBlob(const MeshDefinition::Blob& descriptor, std::istream& source, uint8_t* target)
{
+ source.clear();
if(!source.seekg(descriptor.mOffset, std::istream::beg))
{
return false;
if(descriptor.IsConsecutive())
{
- return !!source.read(reinterpret_cast<char*>(target), descriptor.mLength);
+ return !!source.read(reinterpret_cast<char*>(target), static_cast<std::streamsize>(static_cast<size_t>(descriptor.mLength)));
}
else
{
return success;
}
+template<typename T>
+void ReadJointAccessor(MeshDefinition::RawData& raw, const MeshDefinition::Accessor& accessor, std::istream& source, const std::string& meshPath)
+{
+ constexpr auto sizeofBlobUnit = sizeof(T) * 4;
+
+ DALI_ASSERT_ALWAYS(((accessor.mBlob.mLength % sizeofBlobUnit == 0) ||
+ accessor.mBlob.mStride >= sizeofBlobUnit) &&
+ "Joints buffer length not a multiple of element size");
+ const auto inBufferSize = accessor.mBlob.GetBufferSize();
+ const auto outBufferSize = (sizeof(Vector4) / sizeofBlobUnit) * inBufferSize;
+
+ std::vector<uint8_t> buffer(outBufferSize);
+ auto inBuffer = buffer.data() + outBufferSize - inBufferSize;
+ if(!ReadAccessor(accessor, source, inBuffer))
+ {
+ ExceptionFlinger(ASSERT_LOCATION) << "Failed to read joints from '" << meshPath << "'.";
+ }
+
+ if constexpr(sizeofBlobUnit != sizeof(Vector4))
+ {
+ auto floats = reinterpret_cast<float*>(buffer.data());
+ const auto end = inBuffer + inBufferSize;
+ while(inBuffer != end)
+ {
+ const auto value = *reinterpret_cast<T*>(inBuffer);
+ *floats = static_cast<float>(value);
+
+ inBuffer += sizeof(T);
+ ++floats;
+ }
+ }
+ raw.mAttribs.push_back({"aJoints", Property::VECTOR4, static_cast<uint32_t>(outBufferSize / sizeof(Vector4)), std::move(buffer)});
+}
+
void GenerateNormals(MeshDefinition::RawData& raw)
{
auto& attribs = raw.mAttribs;
textureHeight = 1u << powHeight;
}
-void CalculateGltf2BlendShapes(uint8_t* geometryBuffer, std::ifstream& binFile, const std::vector<MeshDefinition::BlendShape>& blendShapes, uint32_t numberOfVertices, float& blendShapeUnnormalizeFactor)
+void CalculateGltf2BlendShapes(uint8_t* geometryBuffer, const std::vector<MeshDefinition::BlendShape>& blendShapes, uint32_t numberOfVertices, float& blendShapeUnnormalizeFactor, BufferDefinition::Vector& buffers)
{
uint32_t geometryBufferIndex = 0u;
float maxDistance = 0.f;
const auto bufferSize = blendShape.deltas.mBlob.GetBufferSize();
std::vector<uint8_t> buffer(bufferSize);
- if(ReadAccessor(blendShape.deltas, binFile, buffer.data()))
+ if(ReadAccessor(blendShape.deltas, buffers[blendShape.deltas.mBufferIdx].GetBufferStream(), buffer.data()))
{
blendShape.deltas.mBlob.ApplyMinMax(static_cast<uint32_t>(bufferSize / sizeof(Vector3)), reinterpret_cast<float*>(buffer.data()));
// Calculate the difference with the original mesh.
const auto bufferSize = blendShape.normals.mBlob.GetBufferSize();
std::vector<uint8_t> buffer(bufferSize);
- if(ReadAccessor(blendShape.normals, binFile, buffer.data()))
+ if(ReadAccessor(blendShape.normals, buffers[blendShape.normals.mBufferIdx].GetBufferStream(), buffer.data()))
{
blendShape.normals.mBlob.ApplyMinMax(static_cast<uint32_t>(bufferSize / sizeof(Vector3)), reinterpret_cast<float*>(buffer.data()));
const auto bufferSize = blendShape.tangents.mBlob.GetBufferSize();
std::vector<uint8_t> buffer(bufferSize);
- if(ReadAccessor(blendShape.tangents, binFile, buffer.data()))
+ if(ReadAccessor(blendShape.tangents, buffers[blendShape.tangents.mBufferIdx].GetBufferStream(), buffer.data()))
{
blendShape.tangents.mBlob.ApplyMinMax(static_cast<uint32_t>(bufferSize / sizeof(Vector3)), reinterpret_cast<float*>(buffer.data()));
}
}
+std::iostream& GetAvailableData(std::fstream& meshStream, const std::string& meshPath, BufferDefinition& buffer, std::string& availablePath)
+{
+ auto& stream = (meshStream.is_open()) ? meshStream : buffer.GetBufferStream();
+ availablePath = (meshStream.is_open()) ? meshPath : buffer.GetUri();
+ return stream;
+}
+
} // namespace
MeshDefinition::SparseBlob::SparseBlob(const Blob& indices, const Blob& values, uint32_t count)
{
}
+MeshDefinition::SparseBlob::SparseBlob(Blob&& indices, Blob&& values, uint32_t count)
+: mIndices(std::move(indices)),
+ mValues(std::move(values)),
+ mCount{count}
+{
+}
+
MeshDefinition::Accessor::Accessor(const MeshDefinition::Blob& blob,
- const MeshDefinition::SparseBlob& sparse)
+ const MeshDefinition::SparseBlob& sparse,
+ Index bufferIndex)
: mBlob{blob},
- mSparse{(sparse.mIndices.IsDefined() && sparse.mValues.IsDefined()) ? new SparseBlob{sparse} : nullptr}
+ mSparse{(sparse.mIndices.IsDefined() && sparse.mValues.IsDefined()) ? new SparseBlob{sparse} : nullptr},
+ mBufferIdx(bufferIndex)
+{
+}
+
+MeshDefinition::Accessor::Accessor(MeshDefinition::Blob&& blob,
+ MeshDefinition::SparseBlob&& sparse,
+ Index bufferIndex)
+: mBlob{std::move(blob)},
+ mSparse{(sparse.mIndices.IsDefined() && sparse.mValues.IsDefined()) ? new SparseBlob{std::move(sparse)} : nullptr},
+ mBufferIdx(bufferIndex)
{
}
const auto numComponents = std::max(min.size(), max.size());
using ClampFn = void (*)(const float*, const float*, uint32_t, float&);
- ClampFn clampFn = min.empty() ? (max.empty() ? static_cast<ClampFn>(nullptr) : [](const float* min, const float* max, uint32_t i, float& value) {
- value = std::min(max[i], value);
- })
- : (max.empty() ? [](const float* min, const float* max, uint32_t i, float& value) {
- value = std::max(min[i], value);
- }
- : static_cast<ClampFn>([](const float* min, const float* max, uint32_t i, float& value) {
- value = std::min(std::max(min[i], value), max[i]);
- }));
+ ClampFn clampFn = min.empty() ? (max.empty() ? static_cast<ClampFn>(nullptr) : [](const float* min, const float* max, uint32_t i, float& value) { value = std::min(max[i], value); })
+ : (max.empty() ? [](const float* min, const float* max, uint32_t i, float& value) { value = std::max(min[i], value); }
+ : static_cast<ClampFn>([](const float* min, const float* max, uint32_t i, float& value) { value = std::min(std::max(min[i], value), max[i]); }));
if(!clampFn)
{
}
MeshDefinition::RawData
-MeshDefinition::LoadRaw(const std::string& modelsPath)
+MeshDefinition::LoadRaw(const std::string& modelsPath, BufferDefinition::Vector& buffers)
{
RawData raw;
if(IsQuad())
return raw;
}
- const std::string meshPath = modelsPath + mUri;
- std::ifstream binFile(meshPath, std::ios::binary);
- if(!binFile)
+ std::string meshPath;
+ meshPath = modelsPath + mUri;
+ std::fstream fileStream;
+ if(!mUri.empty())
{
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read geometry data from '" << meshPath << "'";
+ fileStream.open(meshPath, std::ios::in | std::ios::binary);
+ if(!fileStream.is_open())
+ {
+ DALI_LOG_ERROR("Fail to open buffer from %s.\n", meshPath.c_str());
+ }
}
if(mIndices.IsDefined())
"Index buffer length not a multiple of element size");
const auto indexCount = mIndices.mBlob.GetBufferSize() / sizeof(uint32_t);
raw.mIndices.resize(indexCount * 2); // NOTE: we need space for uint32_ts initially.
- if(!ReadAccessor(mIndices, binFile, reinterpret_cast<uint8_t*>(raw.mIndices.data())))
+
+ std::string path;
+ auto& stream = GetAvailableData(fileStream, meshPath, buffers[mIndices.mBufferIdx], path);
+ if(!ReadAccessor(mIndices, stream, reinterpret_cast<uint8_t*>(raw.mIndices.data())))
{
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read indices from '" << meshPath << "'.";
+ ExceptionFlinger(ASSERT_LOCATION) << "Failed to read indices from '" << path << "'.";
}
auto u16s = raw.mIndices.data();
raw.mIndices.resize(indexCount);
}
+ else if(MaskMatch(mFlags, U8_INDICES))
+ {
+ DALI_ASSERT_ALWAYS(((mIndices.mBlob.mLength % sizeof(uint8_t) == 0) ||
+ mIndices.mBlob.mStride >= sizeof(uint8_t)) &&
+ "Index buffer length not a multiple of element size");
+ const auto indexCount = mIndices.mBlob.GetBufferSize() / sizeof(uint8_t);
+ raw.mIndices.resize(indexCount); // NOTE: we need space for uint32_ts initially.
+
+ std::string path;
+ auto u8s = reinterpret_cast<uint8_t*>(raw.mIndices.data()) + indexCount;
+ auto& stream = GetAvailableData(fileStream, meshPath, buffers[mIndices.mBufferIdx], path);
+ if(!ReadAccessor(mIndices, stream, u8s))
+ {
+ ExceptionFlinger(ASSERT_LOCATION) << "Failed to read indices from '" << path << "'.";
+ }
+
+ auto u16s = raw.mIndices.data();
+ auto end = u8s + indexCount;
+ while(u8s != end)
+ {
+ *u16s = static_cast<uint16_t>(*u8s);
+ ++u16s;
+ ++u8s;
+ }
+ }
else
{
DALI_ASSERT_ALWAYS(((mIndices.mBlob.mLength % sizeof(unsigned short) == 0) ||
mIndices.mBlob.mStride >= sizeof(unsigned short)) &&
"Index buffer length not a multiple of element size");
raw.mIndices.resize(mIndices.mBlob.mLength / sizeof(unsigned short));
- if(!ReadAccessor(mIndices, binFile, reinterpret_cast<uint8_t*>(raw.mIndices.data())))
+
+ std::string path;
+ auto& stream = GetAvailableData(fileStream, meshPath, buffers[mIndices.mBufferIdx], path);
+ if(!ReadAccessor(mIndices, stream, reinterpret_cast<uint8_t*>(raw.mIndices.data())))
{
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read indices from '" << meshPath << "'.";
+ ExceptionFlinger(ASSERT_LOCATION) << "Failed to read indices from '" << path << "'.";
}
}
}
"Position buffer length not a multiple of element size");
const auto bufferSize = mPositions.mBlob.GetBufferSize();
std::vector<uint8_t> buffer(bufferSize);
- if(!ReadAccessor(mPositions, binFile, buffer.data()))
+
+ std::string path;
+ auto& stream = GetAvailableData(fileStream, meshPath, buffers[mPositions.mBufferIdx], path);
+ if(!ReadAccessor(mPositions, stream, buffer.data()))
{
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read positions from '" << meshPath << "'.";
+ ExceptionFlinger(ASSERT_LOCATION) << "Failed to read positions from '" << path << "'.";
}
uint32_t numVector3 = static_cast<uint32_t>(bufferSize / sizeof(Vector3));
"Normal buffer length not a multiple of element size");
const auto bufferSize = mNormals.mBlob.GetBufferSize();
std::vector<uint8_t> buffer(bufferSize);
- if(!ReadAccessor(mNormals, binFile, buffer.data()))
+
+ std::string path;
+ auto& stream = GetAvailableData(fileStream, meshPath, buffers[mNormals.mBufferIdx], path);
+ if(!ReadAccessor(mNormals, stream, buffer.data()))
{
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read normals from '" << meshPath << "'.";
+ ExceptionFlinger(ASSERT_LOCATION) << "Failed to read normals from '" << path << "'.";
}
mNormals.mBlob.ApplyMinMax(static_cast<uint32_t>(bufferSize / sizeof(Vector3)), reinterpret_cast<float*>(buffer.data()));
"Normal buffer length not a multiple of element size");
const auto bufferSize = mTexCoords.mBlob.GetBufferSize();
std::vector<uint8_t> buffer(bufferSize);
- if(!ReadAccessor(mTexCoords, binFile, buffer.data()))
+
+ std::string path;
+ auto& stream = GetAvailableData(fileStream, meshPath, buffers[mTexCoords.mBufferIdx], path);
+ if(!ReadAccessor(mTexCoords, stream, buffer.data()))
{
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read uv-s from '" << meshPath << "'.";
+ ExceptionFlinger(ASSERT_LOCATION) << "Failed to read uv-s from '" << path << "'.";
}
const auto uvCount = bufferSize / sizeof(Vector2);
"Tangents buffer length not a multiple of element size");
const auto bufferSize = mTangents.mBlob.GetBufferSize();
std::vector<uint8_t> buffer(bufferSize);
- if(!ReadAccessor(mTangents, binFile, buffer.data()))
+
+ std::string path;
+ auto& stream = GetAvailableData(fileStream, meshPath, buffers[mTangents.mBufferIdx], path);
+ if(!ReadAccessor(mTangents, stream, buffer.data()))
{
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read tangents from '" << meshPath << "'.";
+ ExceptionFlinger(ASSERT_LOCATION) << "Failed to read tangents from '" << path << "'.";
}
mTangents.mBlob.ApplyMinMax(bufferSize / propertySize, reinterpret_cast<float*>(buffer.data()));
"Colors buffer length not a multiple of element size");
const auto bufferSize = mColors.mBlob.GetBufferSize();
std::vector<uint8_t> buffer(bufferSize);
- if(!ReadAccessor(mColors, binFile, buffer.data()))
+
+ std::string path;
+ auto& stream = GetAvailableData(fileStream, meshPath, buffers[mColors.mBufferIdx], path);
+ if(!ReadAccessor(mColors, stream, buffer.data()))
{
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read colors from '" << meshPath << "'.";
+ ExceptionFlinger(ASSERT_LOCATION) << "Failed to read colors from '" << path << "'.";
}
mColors.mBlob.ApplyMinMax(bufferSize / propertySize, reinterpret_cast<float*>(buffer.data()));
if(IsSkinned())
{
+ std::string pathJoint;
+ auto& streamJoint = GetAvailableData(fileStream, meshPath, buffers[mJoints0.mBufferIdx], pathJoint);
if(MaskMatch(mFlags, U16_JOINT_IDS))
{
- DALI_ASSERT_ALWAYS(((mJoints0.mBlob.mLength % sizeof(Uint16Vector4) == 0) ||
- mJoints0.mBlob.mStride >= sizeof(Uint16Vector4)) &&
- "Joints buffer length not a multiple of element size");
- const auto inBufferSize = mJoints0.mBlob.GetBufferSize();
- std::vector<uint8_t> buffer(inBufferSize * 2);
- auto u16s = buffer.data() + inBufferSize;
- if(!ReadAccessor(mJoints0, binFile, u16s))
- {
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read joints from '" << meshPath << "'.";
- }
-
- auto floats = reinterpret_cast<float*>(buffer.data());
- auto end = u16s + inBufferSize;
- while(u16s != end)
- {
- auto value = *reinterpret_cast<uint16_t*>(u16s);
- *floats = static_cast<float>(value);
-
- u16s += sizeof(uint16_t);
- ++floats;
- }
- raw.mAttribs.push_back({"aJoints", Property::VECTOR4, static_cast<uint32_t>(buffer.size() / sizeof(Vector4)), std::move(buffer)});
+ ReadJointAccessor<uint16_t>(raw, mJoints0, streamJoint, pathJoint);
+ }
+ else if(MaskMatch(mFlags, U8_JOINT_IDS))
+ {
+ ReadJointAccessor<uint8_t>(raw, mJoints0, streamJoint, pathJoint);
}
else
{
- DALI_ASSERT_ALWAYS(((mJoints0.mBlob.mLength % sizeof(Vector4) == 0) ||
- mJoints0.mBlob.mStride >= sizeof(Vector4)) &&
- "Joints buffer length not a multiple of element size");
- const auto bufferSize = mJoints0.mBlob.GetBufferSize();
- std::vector<uint8_t> buffer(bufferSize);
- if(!ReadAccessor(mJoints0, binFile, buffer.data()))
- {
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read joints from '" << meshPath << "'.";
- }
-
- raw.mAttribs.push_back({"aJoints", Property::VECTOR4, static_cast<uint32_t>(bufferSize / sizeof(Vector4)), std::move(buffer)});
+ ReadJointAccessor<float>(raw, mJoints0, streamJoint, pathJoint);
}
DALI_ASSERT_ALWAYS(((mWeights0.mBlob.mLength % sizeof(Vector4) == 0) ||
"Weights buffer length not a multiple of element size");
const auto bufferSize = mWeights0.mBlob.GetBufferSize();
std::vector<uint8_t> buffer(bufferSize);
- if(!ReadAccessor(mWeights0, binFile, buffer.data()))
+
+ std::string pathWeight;
+ auto& streamWeight = GetAvailableData(fileStream, meshPath, buffers[mWeights0.mBufferIdx], pathWeight);
+ if(!ReadAccessor(mWeights0, streamWeight, buffer.data()))
{
- ExceptionFlinger(ASSERT_LOCATION) << "Failed to read weights from '" << meshPath << "'.";
+ ExceptionFlinger(ASSERT_LOCATION) << "Failed to read weights from '" << pathWeight << "'.";
}
raw.mAttribs.push_back({"aWeights", Property::VECTOR4, static_cast<uint32_t>(bufferSize / sizeof(Vector4)), std::move(buffer)});
else
{
uint16_t header[2u];
- ReadBlob(mBlendShapeHeader, binFile, reinterpret_cast<uint8_t*>(header));
+ ReadBlob(mBlendShapeHeader, fileStream, reinterpret_cast<uint8_t*>(header));
textureWidth = header[0u];
textureHeight = header[1u];
}
if(calculateGltf2BlendShapes)
{
- CalculateGltf2BlendShapes(geometryBuffer, binFile, mBlendShapes, numberOfVertices, raw.mBlendShapeUnnormalizeFactor[0u]);
+ CalculateGltf2BlendShapes(geometryBuffer, mBlendShapes, numberOfVertices, raw.mBlendShapeUnnormalizeFactor[0u], buffers);
}
else
{
if(blendShapesBlob.IsDefined())
{
- if(ReadBlob(blendShapesBlob, binFile, geometryBuffer))
+ if(ReadBlob(blendShapesBlob, fileStream, geometryBuffer))
{
unnormalizeFactorBlob.mOffset = blendShapesBlob.mOffset + blendShapesBlob.mLength;
}
// Read the unnormalize factors.
if(unnormalizeFactorBlob.IsDefined())
{
- ReadBlob(unnormalizeFactorBlob, binFile, reinterpret_cast<uint8_t*>(&raw.mBlendShapeUnnormalizeFactor[0u]));
+ ReadBlob(unnormalizeFactorBlob, fileStream, reinterpret_cast<uint8_t*>(&raw.mBlendShapeUnnormalizeFactor[0u]));
}
}
raw.mBlendShapeData = Devel::PixelBuffer::Convert(geometryPixelBuffer);