- GL(glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, format_desc_.width, format_desc_.height, GL_BGRA, GL_UNSIGNED_BYTE, frame->image_data().begin()));\r
- \r
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbos_[1]);\r
+ glBufferData(GL_PIXEL_UNPACK_BUFFER, format_desc_.size, 0, GL_STREAM_DRAW);\r
+\r
+ auto ptr = glMapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);\r
+ if(ptr)\r
+ {\r
+ if(key_only_)\r
+ fast_memshfl(reinterpret_cast<char*>(ptr), frame->image_data().begin(), frame->image_data().size(), 0x0F0F0F0F, 0x0B0B0B0B, 0x07070707, 0x03030303);\r
+ else\r
+ fast_memcpy(reinterpret_cast<char*>(ptr), frame->image_data().begin(), frame->image_data().size());\r
+\r
+ glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER); // release the mapped buffer\r
+ }\r
+\r
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);\r
+ \r