| Name |
| |
| ANGLE_create_context_backwards_compatible |
| |
| Name Strings |
| |
| EGL_ANGLE_create_context_backwards_compatible |
| |
| Contributors |
| |
| Geoff Lang |
| |
| Contacts |
| |
| Geoff Lang (geofflang 'at' google.com) |
| |
| Status |
| |
| Draft |
| |
| Version |
| |
| Version 1, May 8, 2019 |
| |
| Number |
| |
| EGL Extension #?? |
| |
| Dependencies |
| |
| Requires EGL 1.4. |
| |
| Written against the EGL 1.5 specification. |
| |
| Overview |
| |
| This extension allows the user to create a context with exact major and |
| minor versions. By default, a context may be created of any version that |
| is backwards-compatible with the requested verion but it is often useful to |
| users to request and target a specific version. |
| |
| New Types |
| |
| None |
| |
| New Procedures and Functions |
| |
| None |
| |
| New Tokens |
| |
| Accepted as an attribute name in the <*attrib_list> argument to |
| eglCreateContext: |
| |
| EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE 0x3483 |
| |
| Additions to the EGL 1.5 Specification |
| |
| Modify section 3.7.1.1 "OpenGL and OpenGL ES Context Versions": |
| |
| - The context returned must be the specified version, or a later version |
| - which is backwards compatible with that version. |
| |
| + The context returned must be the specified version, or a later version |
| + which is backwards compatible with that version if |
| + EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE is EGL_TRUE. |
| |
| Append to section 3.7.1.1 "OpenGL and OpenGL ES Context Versions": |
| |
| The default value of EGL_CONTEXT_OPENGL_BACKWARDS_COMPATIBLE_ANGLE is |
| EGL_TRUE. |
| |
| Errors |
| |
| None |
| |
| New State |
| |
| None |
| |
| Conformance Tests |
| |
| TBD |
| |
| Issues |
| |
| None |
| |
| Revision History |
| |
| Rev. Date Author Changes |
| ---- ------------- --------- ---------------------------------------- |
| 1 May 8, 2019 geofflang Initial version |
