| GL_KTX_buffer_region | |
| GL_KTX_FRONT_REGION 0x0 | |
| GL_KTX_BACK_REGION 0x1 | |
| GL_KTX_Z_REGION 0x2 | |
| GL_KTX_STENCIL_REGION 0x3 | |
| GLuint glBufferRegionEnabledEXT (void) | |
| GLuint glNewBufferRegionEXT (GLenum region) | |
| void glDeleteBufferRegionEXT (GLenum region) | |
| void glReadBufferRegionEXT (GLuint region, GLint x, GLint y, GLsizei width, GLsizei height) | |
| void glDrawBufferRegionEXT (GLuint region, GLint x, GLint y, GLsizei width, GLsizei height, GLint xDest, GLint yDest) |