1GL_ARB_invalidate_subdata 2https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_invalidate_subdata.txt 3GL_ARB_invalidate_subdata 4 5 void glInvalidateBufferData (GLuint buffer) 6 void glInvalidateBufferSubData (GLuint buffer, GLintptr offset, GLsizeiptr length) 7 void glInvalidateFramebuffer (GLenum target, GLsizei numAttachments, const GLenum* attachments) 8 void glInvalidateSubFramebuffer (GLenum target, GLsizei numAttachments, const GLenum* attachments, GLint x, GLint y, GLsizei width, GLsizei height) 9 void glInvalidateTexImage (GLuint texture, GLint level) 10 void glInvalidateTexSubImage (GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth) 11