2 * Copyright (c) 2023 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali-scene3d/public-api/loader/utils.h>
22 #include <dali/public-api/animation/constraints.h>
23 #include <dali/public-api/common/vector-wrapper.h>
29 namespace Dali::Scene3D::Loader
33 thread_local char sExceptionFlingerMessageBuffer[ExceptionFlinger::MESSAGE_BUFFER_SIZE]{};
36 StreamBuffer::StreamBuffer(char* buffer, size_t size) noexcept(true)
38 setp(buffer, buffer + size);
41 ExceptionFlinger::Impl::~Impl() noexcept(false)
43 throw DaliException(mLocation, GetMessageBuffer());
46 ExceptionFlinger::ExceptionFlinger(const char* location) noexcept(true)
48 mStreamBuffer(GetMessageBuffer(), MESSAGE_BUFFER_SIZE - 1),
49 mStream(&mStreamBuffer)
53 ExceptionFlinger::~ExceptionFlinger() noexcept(false)
58 char* ExceptionFlinger::GetMessageBuffer() noexcept(true)
60 return sExceptionFlingerMessageBuffer;
63 std::string FormatString(const char* format, ...)
71 int32_t length = vsnprintf(nullptr, 0, format, vl);
76 size_t sizeRequired = static_cast<size_t>(length);
78 std::string formatString(sizeRequired, '\0');
79 vsnprintf(&formatString[0], sizeRequired, format, vl2);
80 result = formatString;
86 std::string LoadTextFile(const char* path, bool* fail)
88 std::ifstream inFile(path);
91 std::istreambuf_iterator<char> eos;
92 std::istreambuf_iterator<char> i(inFile.rdbuf());
93 return std::string(i, eos);
102 Geometry MakeTexturedQuadGeometry(TexturedQuadOptions::Type options)
104 Property::Map properties;
105 properties.Insert("aPosition", Property::VECTOR3);
106 properties.Insert("aTexCoord", Property::VECTOR2);
108 std::vector<uint8_t> bytes;
116 {Vector3(-0.5f, 0.5f, 0.0f), Vector2(0.0f, .0f)},
117 {Vector3(0.5f, 0.5f, 0.0f), Vector2(1.0f, .0f)},
118 {Vector3(-0.5f, -0.5f, 0.0f), Vector2(0.0f, 1.0f)},
119 {Vector3(0.5f, -0.5f, 0.0f), Vector2(1.0f, 1.0f)}};
121 bytes.resize(sizeof(vertices));
122 stride = sizeof(vertices[0]);
123 uvOffset = reinterpret_cast<const uint8_t*>(&vertices[0].aTexCoord) - reinterpret_cast<const uint8_t*>(&vertices[0]);
125 std::memcpy(bytes.data(), vertices, sizeof(vertices));
127 if(MaskMatch(options, TexturedQuadOptions::FLIP_VERTICAL))
129 Vector2* uv = reinterpret_cast<Vector2*>(reinterpret_cast<uint8_t*>(bytes.data()) + uvOffset);
130 for(int i = 0; i < 4; ++i)
132 uv->y = 1.0f - uv->y;
133 uv = reinterpret_cast<Vector2*>(reinterpret_cast<uint8_t*>(uv) + stride);
137 VertexBuffer vertexBuffer = VertexBuffer::New(properties);
138 vertexBuffer.SetData(bytes.data(), bytes.size() / stride);
140 Geometry geometry = Geometry::New();
141 geometry.AddVertexBuffer(vertexBuffer);
142 geometry.SetType(Geometry::TRIANGLE_STRIP);
146 void ToUnixFileSeparators(std::string& path)
148 std::replace(path.begin(), path.end(), '\\', '/');
151 } // namespace Dali::Scene3D::Loader