diff options
Diffstat (limited to 'src/gallium/state_trackers')
| -rw-r--r-- | src/gallium/state_trackers/wgl/stw_ext_pbuffer.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/wgl/stw_ext_pbuffer.c b/src/gallium/state_trackers/wgl/stw_ext_pbuffer.c index 085591a5560..7596cb6bd95 100644 --- a/src/gallium/state_trackers/wgl/stw_ext_pbuffer.c +++ b/src/gallium/state_trackers/wgl/stw_ext_pbuffer.c @@ -239,6 +239,11 @@ wglGetPbufferDCARB(HPBUFFERARB hPbuffer) struct stw_framebuffer *fb; HDC hDC; + if (!hPbuffer) { + SetLastError(ERROR_INVALID_HANDLE); + return NULL; + } + fb = (struct stw_framebuffer *)hPbuffer; hDC = GetDC(fb->hWnd); @@ -255,6 +260,11 @@ wglReleasePbufferDCARB(HPBUFFERARB hPbuffer, { struct stw_framebuffer *fb; + if (!hPbuffer) { + SetLastError(ERROR_INVALID_HANDLE); + return 0; + } + fb = (struct stw_framebuffer *)hPbuffer; return ReleaseDC(fb->hWnd, hDC); @@ -266,6 +276,11 @@ wglDestroyPbufferARB(HPBUFFERARB hPbuffer) { struct stw_framebuffer *fb; + if (!hPbuffer) { + SetLastError(ERROR_INVALID_HANDLE); + return FALSE; + } + fb = (struct stw_framebuffer *)hPbuffer; /* This will destroy all our data */ @@ -280,6 +295,11 @@ wglQueryPbufferARB(HPBUFFERARB hPbuffer, { struct stw_framebuffer *fb; + if (!hPbuffer) { + SetLastError(ERROR_INVALID_HANDLE); + return FALSE; + } + fb = (struct stw_framebuffer *)hPbuffer; switch (iAttribute) { |