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LibGL: Implement glGetError and underlying function

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This implements `glGetError` and correctly sets the state machine's
error macro (similar to LibC `errno`) when an invalid operation is
performed. This is reset on completion of a successful operation.
This commit is contained in:
Jesse Buhagiar 2021-04-23 23:48:28 +10:00 • committed by Andreas Kling
parent 4807d32139
commit e537e2690a
5 changed files with 58 additions and 4 deletions
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Userland/Libraries/LibGL/GLContext.h
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@ -22,6 +22,7 @@ public:
virtual void gl_color(GLdouble r, GLdouble g, GLdouble b, GLdouble a) = 0;
virtual void gl_end() = 0;
virtual void gl_frustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val) = 0;
virtual GLenum gl_get_error() = 0;
virtual GLubyte* gl_get_string(GLenum name) = 0;
virtual void gl_load_identity() = 0;
virtual void gl_matrix_mode(GLenum mode) = 0;