FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added support for OpenGL mode black listing to provide better support

Browse Source 
for extension checking and invalidation of OpenGL modes associated with
extensions.
This commit is contained in:
Robert Osfield
2006-02-22 14:31:13 +00:00
parent bd68d96106
commit 32b929a493
10 changed files with 110 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
include/osg/State
View File

@@ -201,6 +201,22 @@ class OSG_EXPORT State : public Referenced
void apply();
/** Set whether a particular OpenGL mode is valid in the current graphics context.
* Use to disable OpenGL modes that are not supported by current graphics drivers/context.*/
inline void setModeValidity(StateAttribute::GLMode mode,bool valid)
{
ModeStack& ms = _modeMap[mode];
ms.valid = valid;
}
/** Get whether a particular OpenGL mode is valid in the current graphics context.
* Use to disable OpenGL modes that are not supported by current graphics drivers/context.*/
inline bool getModeValidity(StateAttribute::GLMode mode)
{
ModeStack& ms = _modeMap[mode];
return ms.valid;
}
inline void setGlobalDefaultModeValue(StateAttribute::GLMode mode,bool enabled)
{
ModeStack& ms = _modeMap[mode];
@@ -775,11 +791,13 @@ class OSG_EXPORT State : public Referenced
ModeStack()
{
valid = true;
changed = false;
last_applied_value = false;
global_default_value = false;
}
bool valid;
bool changed;
bool last_applied_value;
bool global_default_value;
@@ -828,7 +846,7 @@ class OSG_EXPORT State : public Referenced
*/
inline bool applyMode(StateAttribute::GLMode mode,bool enabled,ModeStack& ms)
{
if (ms.last_applied_value != enabled)
if (ms.valid && ms.last_applied_value != enabled)
{
ms.last_applied_value = enabled;