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glx-support-pbuffer, glx-support-pixmap

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This commit is contained in:
David Rose 2009-03-12 17:15:45 +00:00
parent e1ea2aa3de
commit b0470a17be
3 changed files with 26 additions and 0 deletions
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15
panda/src/glxdisplay/config_glxdisplay.cxx
View File

@ -78,6 +78,21 @@ ConfigVariableInt x_wheel_right_button
"mouse button number does the system report when one scrolls "
"to the right?"));
ConfigVariableBool glx_support_pbuffer
("glx-support-pbuffer", false,
PRC_DESC("Set this true to enable the use of X pbuffer-based offscreen "
"buffers, if available. This is usually preferred over "
"pixmap-based buffers, but not all drivers support them."));
ConfigVariableBool glx_support_pixmap
("glx-support-pixmap", false,
PRC_DESC("Set this true to enable the use of X pixmap-based offscreen "
"buffers. This is false by default because pixmap-based buffers "
"are usually slower than pbuffer-based buffers, and because at "
"least one driver is known to crash (crash!) when it attempts "
"to create a pixmap-based buffer."));
////////////////////////////////////////////////////////////////////
// Function: init_libglxdisplay
// Description: Initializes the library. This must be called at

3
panda/src/glxdisplay/config_glxdisplay.h
View File

@ -35,4 +35,7 @@ extern ConfigVariableInt x_wheel_down_button;
extern ConfigVariableInt x_wheel_left_button;
extern ConfigVariableInt x_wheel_right_button;
extern ConfigVariableBool glx_support_pbuffer;
extern ConfigVariableBool glx_support_pixmap;
#endif /* __CONFIG_GLXDISPLAY_H__ */

8
panda/src/glxdisplay/glxGraphicsPipe.cxx
View File

@ -278,6 +278,10 @@ make_output(const string &name,
// Third thing to try: a glxGraphicsBuffer
if (retry == 2) {
if (!glx_support_pbuffer) {
return NULL;
}
if (((flags&BF_require_parasite)!=0)||
((flags&BF_require_window)!=0)||
((flags&BF_resizeable)!=0)||
@ -301,6 +305,10 @@ make_output(const string &name,
// Third thing to try: a glxGraphicsPixmap.
if (retry == 3) {
if (!glx_support_pixmap) {
return NULL;
}
if (((flags&BF_require_parasite)!=0)||
((flags&BF_require_window)!=0)||
((flags&BF_resizeable)!=0)||