diff options
| author | Brian Paul <[email protected]> | 2012-02-16 12:20:57 -0700 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2012-02-23 07:49:08 -0700 |
| commit | be05388ce983face72ca17241f0f2e154c11f435 (patch) | |
| tree | ea67b62b7c73fa88a9bb90fb8c05fb2110985822 /src/gallium/state_trackers/wgl | |
| parent | 9ffc8ea8f4cfa15115a93039cc7099f0fd597fe3 (diff) | |
st/wgl: check for hPbuffer=0 in wgl pbuffer functions
Per the GL_WGL_pbuffer spec, generate ERROR_INVALID_HANDLE and
return FALSE (and don't segfault).
Reviewed-by: Jose Fonseca <[email protected]>
Diffstat (limited to 'src/gallium/state_trackers/wgl')
| -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) { |