419     std::vector<uint8_t> dstData(numElements);  in TEST_P()  local
425     for (uint8_t i = 0; i < dstData.size(); i++)  in TEST_P()
427         dstData[i] = 0;  in TEST_P()
438     glBufferData(GL_PIXEL_UNPACK_BUFFER, dstData.size(), dstData.data(), GL_STATIC_READ);  in TEST_P()
494     std::vector<uint8_t> dstData(numElements);  in TEST_P()  local
500     for (uint8_t i = 0; i < dstData.size(); i++)  in TEST_P()
502         dstData[i] = 0;  in TEST_P()
513     glBufferData(GL_PIXEL_UNPACK_BUFFER, dstData.size(), dstData.data(), GL_STATIC_READ);  in TEST_P()
564     std::vector<uint8_t> dstData(numElements);  in TEST_P()  local
570     for (uint8_t i = 0; i < dstData.size(); i++)  in TEST_P()
572         dstData[i] = static_cast<uint8_t>(i + dstData.size());  in TEST_P()
585     glBufferData(GL_COPY_WRITE_BUFFER, dstData.size(), dstData.data(), GL_STATIC_READ);  in TEST_P()
600         if (dstData[i] != data[i])  in TEST_P()