ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Allow running opengl and DirectX applications without stencil support, 

an earlier patch assumed that stencil support was available, but it
isn't in all cases.
This commit is contained in:
Oliver Stieber 2005-07-22 09:05:04 +00:00 committed by Alexandre Julliard
parent 6b4c9ef268
commit b9efc4d26c
1 changed files with 39 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
dlls/x11drv/opengl.c
View File

@ -122,6 +122,7 @@ MAKE_FUNCPTR(glXQueryExtension)
MAKE_FUNCPTR(glXGetFBConfigs)
MAKE_FUNCPTR(glXChooseFBConfig)
MAKE_FUNCPTR(glXGetFBConfigAttrib)
MAKE_FUNCPTR(glXGetVisualFromFBConfig)
#undef MAKE_FUNCPTR
static BOOL has_opengl(void)
@ -147,6 +148,7 @@ LOAD_FUNCPTR(glXQueryExtension)
LOAD_FUNCPTR(glXGetFBConfigs)
LOAD_FUNCPTR(glXChooseFBConfig)
LOAD_FUNCPTR(glXGetFBConfigAttrib)
LOAD_FUNCPTR(glXGetVisualFromFBConfig)
#undef LOAD_FUNCPTR
wine_tsx11_lock();
@ -475,25 +477,49 @@ XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
{
XVisualInfo *visual = NULL;
/* In order to support OpenGL or D3D, we require a double-buffered visual and stencil buffer support, */
int dblBuf[] = {GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_STENCIL_SIZE,8,GLX_DOUBLEBUFFER,None};
int dblBuf[] = {GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT | GLX_WINDOW_BIT,
GLX_RENDER_TYPE,GLX_RGBA_BIT
,GLX_DEPTH_SIZE,16
,GLX_DOUBLEBUFFER,TRUE, None};
int nCfgs;
unsigned int i;
int maxStencil = -1;
int attribSize;
GLXFBConfig* cfgs = NULL;
GLXFBConfig* chosenCfg = NULL;
if (!has_opengl()) return NULL;
wine_tsx11_lock();
visual = pglXChooseVisual(display, DefaultScreen(display), dblBuf);
wine_tsx11_unlock();
if (visual == NULL) {
/* fallback to a 1 bit stencil (opengl states that at least 1 bit of stencil must be provided for on of the available configurations) */
int dblBuf2[] = {GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_STENCIL_SIZE,1,GLX_DOUBLEBUFFER,None};
WARN("Failed to get a visual with at least 8 bits of stencil\n");
wine_tsx11_lock();
visual = pglXChooseVisual(display, DefaultScreen(display), dblBuf2);
wine_tsx11_unlock();
if (visual == NULL) {
/* This should only happen if we cannot fidn a match with a depth size 16 */
FIXME("Failed to find a suitable visual\n");
/* Fint the config with the highest stencil buffer size */
cfgs = pglXChooseFBConfig(display, DefaultScreen(display), dblBuf, &nCfgs);
if (cfgs == NULL) {
WARN("Couldn't find a double buffered, RGBA visual with 16 bits depth\n");
visual = NULL;
} else {
for (i = 0; i < nCfgs ; ++i) {
pglXGetFBConfigAttrib(display, cfgs[i],GLX_STENCIL_SIZE, &attribSize);
if (attribSize > maxStencil ) {
chosenCfg = cfgs + i;
maxStencil = attribSize;
}
}
pglXGetFBConfigAttrib(display, *chosenCfg, GLX_RED_SIZE, &attribSize);
TRACE("A FB config with RED %d", attribSize);
pglXGetFBConfigAttrib(display, *chosenCfg, GLX_GREEN_SIZE, &attribSize);
TRACE(" GREEN %d",attribSize);
pglXGetFBConfigAttrib(display, *chosenCfg, GLX_BLUE_SIZE, &attribSize);
TRACE(" BLUE %d",attribSize);
pglXGetFBConfigAttrib(display, *chosenCfg, GLX_ALPHA_SIZE, &attribSize);
TRACE(" ALPHA %d",attribSize);
pglXGetFBConfigAttrib(display, *chosenCfg, GLX_DEPTH_SIZE, &attribSize);
TRACE(" DEPTH %d",attribSize);
pglXGetFBConfigAttrib(display, *chosenCfg, GLX_STENCIL_SIZE, &attribSize);
TRACE(" STENCIL %d has been chosen\n",attribSize);
visual = pglXGetVisualFromFBConfig(display, *chosenCfg);
XFree(cfgs);
}
wine_tsx11_unlock();
return visual;
}