| 436 | // --------------------------------------------------------------------------- |
| 437 | |
| 438 | char *grSurface::lock(int *rowsize) { |
| 439 | bool grerr; |
| 440 | |
| 441 | ASSERT(m_SurfInit); |
| 442 | |
| 443 | switch (ddsfObj.type) { |
| 444 | case SURFTYPE_VIDEOSCREEN: |
| 445 | case SURFTYPE_GENERIC: |
| 446 | grerr = ddgr_surf_Lock(&ddsfObj, (void **)&m_OrigDataPtr, &m_DataRowsize); |
| 447 | break; |
| 448 | case SURFTYPE_MEMORY: |
| 449 | grerr = gr_mem_surf_Lock(&ddsfObj, (void **)&m_OrigDataPtr, &m_DataRowsize); |
| 450 | break; |
| 451 | default: |
| 452 | Int3(); // invalid type!! |
| 453 | } |
| 454 | |
| 455 | m_DataPtr = m_OrigDataPtr; |
| 456 | *rowsize = m_DataRowsize; |
| 457 | |
| 458 | if (!grerr) |
| 459 | return nullptr; |
| 460 | |
| 461 | surf_Locked++; // increment lock counter for this surface |
| 462 | |
| 463 | rend_SetSoftwareParameters(ddgr_GetAspectRatio(), ddsfObj.w, ddsfObj.h, m_DataRowsize, (uint8_t *)m_OrigDataPtr); |
| 464 | |
| 465 | return m_DataPtr; |
| 466 | } |
| 467 | |
| 468 | /* do lock based off of x,y offsets */ |
| 469 | char *grSurface::lock(int x, int y, int *rowsize) { |