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virtual bool canPerformGL() { return false; } |
virtual bool canPerformGL() { return false; } |
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110 |
/** Try to perform the GL operations to set this |
/** Try to perform the GL operations to set this |
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* coordinate system in the modelview matrix. |
* coordinate system in the current matrix. |
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* Only the topmost modelview matrix may be altered by |
* Only the topmost matrix on the matrix stack may be altered by |
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* this routine, no other GL state. |
* this routine, no other GL state. The matrix |
114 |
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* used is determined by the GL current matrix state. |
115 |
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* <p> |
116 |
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* This method will NOT set up vertex programs or change |
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* any other OpenGL state. |
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* @return True if successful, but if false is |
* @return True if successful, but if false is |
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* returned, then the modelview matrix |
* returned, then the matrix |
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* is in an undefined state. If this is |
* is in an undefined state. If this is |
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* not acecptable, try canPerformGL() first. |
* not acecptable, try canPerformGL() first. |
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*/ |
*/ |