| 154 | } |
| 155 | |
| 156 | bool IndexBuffer::GetSegment(uint32_t i, uint32_t& v0, uint32_t& v1) const |
| 157 | { |
| 158 | if (ValidPrimitiveType(IP_HAS_SEGMENTS)) |
| 159 | { |
| 160 | if (mData && i < mNumPrimitives) |
| 161 | { |
| 162 | if (mElementSize == sizeof(uint32_t)) |
| 163 | { |
| 164 | if (mPrimitiveType == IP_POLYSEGMENT_DISJOINT) |
| 165 | { |
| 166 | uint32_t const* index = 2 * static_cast<size_t>(i) + Get<uint32_t>(); |
| 167 | v0 = *index++; |
| 168 | v1 = *index; |
| 169 | } |
| 170 | else |
| 171 | { |
| 172 | uint32_t const* index = static_cast<size_t>(i) + Get<uint32_t>(); |
| 173 | v0 = *index++; |
| 174 | v1 = *index; |
| 175 | } |
| 176 | } |
| 177 | else |
| 178 | { |
| 179 | if (mPrimitiveType == IP_POLYSEGMENT_DISJOINT) |
| 180 | { |
| 181 | uint16_t const* index = 2 * static_cast<size_t>(i) + Get<uint16_t>(); |
| 182 | v0 = static_cast<uint32_t>(*index++); |
| 183 | v1 = static_cast<uint32_t>(*index); |
| 184 | } |
| 185 | else |
| 186 | { |
| 187 | uint16_t const* index = static_cast<size_t>(i) + Get<uint16_t>(); |
| 188 | v0 = static_cast<uint32_t>(*index++); |
| 189 | v1 = static_cast<uint32_t>(*index); |
| 190 | } |
| 191 | } |
| 192 | return true; |
| 193 | } |
| 194 | } |
| 195 | return false; |
| 196 | } |
| 197 | |
| 198 | bool IndexBuffer::SetTriangle(uint32_t i, uint32_t v0, uint32_t v1, uint32_t v2) |
| 199 | { |