| /**************************************************************************** |
| * |
| * Mesa 3-D graphics library |
| * Direct3D Driver Interface |
| * |
| * ======================================================================== |
| * |
| * Copyright (C) 1991-2004 SciTech Software, Inc. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * SCITECH SOFTWARE INC BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| * ====================================================================== |
| * |
| * Language: ANSI C |
| * Environment: Windows 9x (Win32) |
| * |
| * Description: Useful generic macros. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __DGLMACROS_H |
| #define __DGLMACROS_H |
| |
| #include <ddraw.h> |
| |
| // Define the relevant RELEASE macro depending on C or C++ |
| #if !defined(__cplusplus) || defined(CINTERFACE) |
| // Standard C version |
| #define RELEASE(x) if (x!=NULL) { x->lpVtbl->Release(x); x=NULL; } |
| #else |
| // C++ version |
| #define RELEASE(x) if (x!=NULL) { x->Release(); x=NULL; } |
| #endif |
| |
| // We don't want a message *every* time we call an unsupported function |
| #define UNSUPPORTED(x) \ |
| { \ |
| static BOOL bFirstTime = TRUE; \ |
| if (bFirstTime) { \ |
| bFirstTime = FALSE; \ |
| ddlogError(DDLOG_WARN, (x), DDERR_CURRENTLYNOTAVAIL); \ |
| } \ |
| } |
| |
| #define DGL_CHECK_CONTEXT \ |
| if (ctx == NULL) return; |
| |
| // Don't render if bCanRender is not TRUE. |
| #define DGL_CHECK_RENDER \ |
| if (!dgl->bCanRender) return; |
| |
| #if 0 |
| #define TRY(a,b) (a) |
| #define TRY_ERR(a,b) (a) |
| #else |
| // hResult should be defined in the function |
| // Return codes should be checked via SUCCEDDED and FAILED macros |
| #define TRY(a,b) \ |
| { \ |
| if (FAILED(hResult=(a))) \ |
| ddlogError(DDLOG_ERROR, (b), hResult); \ |
| } |
| |
| // hResult is a global |
| // The label exit_with_error should be defined within the calling scope |
| #define TRY_ERR(a,b) \ |
| { \ |
| if (FAILED(hResult=(a))) { \ |
| ddlogError(DDLOG_ERROR, (b), hResult); \ |
| goto exit_with_error; \ |
| } \ |
| } |
| #endif // #if 1 |
| |
| #endif |