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attemp to fix [#20610] GHOST_WindowX11.cpp:202: X11 glXChooseVisual() failed, verify working openGL system!

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cant test but should work.
This commit is contained in:
Campbell Barton 2010-01-10 19:21:46 +00:00
parent 20df075e38
commit 6b4a8c5d72
1 changed files with 13 additions and 4 deletions
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17
intern/ghost/intern/GHOST_WindowX11.cpp
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@ -169,7 +169,7 @@ GHOST_WindowX11(
// Set up the minimum atrributes that we require and see if
// X can find us a visual matching those requirements.
int attributes[40], i = 0;
int attributes[40], i = 0, i_pre_aa;
Atom atoms[2];
int natom;
int glxVersionMajor, glxVersionMinor; // As in GLX major.minor
@ -188,6 +188,7 @@ GHOST_WindowX11(
attributes[i++] = GLX_BLUE_SIZE; attributes[i++] = 1;
attributes[i++] = GLX_GREEN_SIZE; attributes[i++] = 1;
attributes[i++] = GLX_DEPTH_SIZE; attributes[i++] = 1;
i_pre_aa= i;
/* GLX 1.4+, multi-sample */
if(m_numOfAASamples && (glxVersionMajor >= 1) && (glxVersionMinor >= 4)) {
attributes[i++] = GLX_SAMPLE_BUFFERS; attributes[i++] = 1;
@ -198,9 +199,17 @@ GHOST_WindowX11(
m_visual = glXChooseVisual(m_display, DefaultScreen(m_display), attributes);
if (m_visual == NULL) {
// barf : no visual meeting these requirements could be found.
printf("%s:%d: X11 glXChooseVisual() failed, verify working openGL system!\n", __FILE__, __LINE__);
return;
/* possibly the X Server does not support GLX_SAMPLE_BUFFERS */
attributes[i_pre_aa] = None;
m_visual = glXChooseVisual(m_display, DefaultScreen(m_display), attributes);
if (m_visual == NULL) {
// barf : no visual meeting these requirements could be found.
printf("%s:%d: X11 glXChooseVisual() failed, verify working openGL system!\n", __FILE__, __LINE__);
return;
} else {
printf("%s:%d: X11 glXChooseVisual() multi-sample failed, continue with multisample disabled\n", __FILE__, __LINE__);
}
}
memset(&m_xtablet, 0, sizeof(m_xtablet));