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This class is intended to be a cache of the capabilites (resource limits and features) of the underlying GL context. More...
#include <contextCaps.h>
Static Public Member Functions | |
static GLF_API void | InitInstance () |
InitInstance queries the GL context for its capabilities. | |
static GLF_API const GlfContextCaps & | GetInstance () |
GetInstance() returns the filled capabilities structure. | |
Public Attributes | |
int | glVersion |
bool | coreProfile |
int | maxArrayTextureLayers |
Friends | |
class | TfSingleton< GlfContextCaps > |
This class is intended to be a cache of the capabilites (resource limits and features) of the underlying GL context.
It serves two purposes. Firstly to reduce driver transition overhead of querying these values. Secondly to provide access to these values from other threads that don't have the context bound.
In the event of failure (InitInstance() wasn't called or an issue accessing the GL context), a reasonable set of defaults, based on GL minimums, is provided.
TO DO (bug #124971):
Definition at line 58 of file contextCaps.h.
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GetInstance() returns the filled capabilities structure.
This function will not populate the caps and will issue a coding error if it hasn't been filled.
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static |
InitInstance queries the GL context for its capabilities.
It should be called by the application before using systems that depend on the caps, such as Hydra. A good example would be to pair the call to initialize after a call to initialize GL
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friend |
Definition at line 91 of file contextCaps.h.
bool coreProfile |
Definition at line 79 of file contextCaps.h.
int glVersion |
Definition at line 76 of file contextCaps.h.
int maxArrayTextureLayers |
Definition at line 82 of file contextCaps.h.