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OpenGL ES 3 Reference Pages

glProgramBinary — load a program object with a program binary

 

program

Specifies the name of a program object into which to load a program binary.

binaryFormat

Specifies the format of the binary data in binary.

binary

Specifies the address of an array containing the binary to be loaded into program.

length

Specifies the number of bytes contained in binary.

glProgramBinary loads a program object with a program binary previously returned from glGetProgramBinary. binaryFormat and binary must be those returned by a previous call to glGetProgramBinary, and length must be the length returned by glGetProgramBinary, or by glGetProgramiv when called with pname set to GL_PROGRAM_BINARY_LENGTH. If these conditions are not met, loading the program binary will fail and program's GL_LINK_STATUS will be set to GL_FALSE.

A program object's program binary is replaced by calls to glLinkProgram or glProgramBinary. When linking success or failure is concerned, glProgramBinary can be considered to perform an implicit linking operation. glLinkProgram and glProgramBinary both set the program object's GL_LINK_STATUS to GL_TRUE or GL_FALSE.

A successful call to glProgramBinary will reset all uniform variables to their initial values, GL_FALSE for booleans and zero for all others. Additionally, all vertex shader input and fragment shader output assignments that were in effect when the program was linked before saving are restored with glProgramBinary is called.

GL_INVALID_OPERATION is generated if program is not the name of an existing program object.

GL_INVALID_ENUM is generated if binaryFormat is not a value recognized by the implementation.

A program binary may fail to load if the implementation determines that there has been a change in hardware or software configuration from when the program binary was produced such as having been compiled with an incompatible or outdated version of the compiler.

glGetProgramiv with argument GL_PROGRAM_BINARY_LENGTH

glGet with argument GL_NUM_PROGRAM_BINARY_FORMATS

glGet with argument GL_PROGRAM_BINARY_FORMATS

Copyright © 2010-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. https://opencontent.org/openpub/.

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