gl-extensions ( -- seq )

Vocabulary

opengl.capabilities

Inputs

None

Outputs

seq	A sequence of strings naming the implementation-supported OpenGL extensions

Word description

Wrapper for GL_EXTENSIONS glGetString that returns a sequence of extension names supported by the OpenGL implementation.

See also

require-gl-version, require-glsl-version, require-gl-extensions, require-gl-version-or-extensions, has-gl-version?, has-glsl-version?, has-gl-extensions?, has-gl-version-or-extensions?, gl-version, glsl-version

Definition

USING: alien.c-types alien.data kernel opengl.gl sequences
splitting ;

IN: opengl.capabilities

: gl-extensions ( -- seq )
    "3.0" has-gl-version? [
        GL_NUM_EXTENSIONS 0 int <ref> [ glGetIntegerv ] keep
        int deref <iota> [ GL_EXTENSIONS swap glGetStringi ] map
    ] [ GL_EXTENSIONS glGetString split-words ] if ;