Name

    ANGLE_logic_op

Name Strings

    GL_ANGLE_logic_op

Contributors

    Shahbaz Youssefi, Google

Contact

    Shahbaz Youssefi, Google (syoussefi 'at' google.com)

Status

    Draft

Version

    Last Modified Date: Sep 14, 2022
    Revision: 1

Number

    TBD

Dependencies

    Written against the OpenGL ES 2.0 specifications

Overview

    For internal use of ANGLE for GLES1 emulation, through this extension the
    backend lets the frontend know that the equivalent of glLogicOp is natively
    supported and can be used.

New Procedures and Functions

    The following commands are added:

        void LogicOpANGLE(enum op);

New Tokens

    The following tokens are added:

    Accepted by the <cap> parameter of Enable, Disable, and IsEnabled:

        COLOR_LOGIC_OP_ANGLE                 0x0BF2

    Accepted by the <op> parameter of LogicOpANGLE:

        LOGIC_OP_CLEAR_ANGLE                 0x1500
        LOGIC_OP_AND_ANGLE                   0x1501
        LOGIC_OP_AND_REVERSE_ANGLE           0x1502
        LOGIC_OP_COPY_ANGLE                  0x1503
        LOGIC_OP_AND_INVERTED_ANGLE          0x1504
        LOGIC_OP_NOOP_ANGLE                  0x1505
        LOGIC_OP_XOR_ANGLE                   0x1506
        LOGIC_OP_OR_ANGLE                    0x1507
        LOGIC_OP_NOR_ANGLE                   0x1508
        LOGIC_OP_EQUIV_ANGLE                 0x1509
        LOGIC_OP_INVERT_ANGLE                0x150A
        LOGIC_OP_OR_REVERSE_ANGLE            0x150B
        LOGIC_OP_COPY_INVERTED_ANGLE         0x150C
        LOGIC_OP_OR_INVERTED_ANGLE           0x150D
        LOGIC_OP_NAND_ANGLE                  0x150E
        LOGIC_OP_SET_ANGLE                   0x150F

The semantics of LogicOpANGLE and COLOR_LOGIC_OP_ANGLE are identical to LogicOp
and COLOR_LOGIC_OP in the OpenGL ES 1.0 specification.

Revision History

    Revision 1, 2022-07-14 (Shahbaz Youssefi)
        - Initial draft