render-vertex-indexes-instanced ( primitive-mode vertex-indexes instances -- )

Vocabulary

gpu.render.private

Inputs

primitive-mode	an object
vertex-indexes	an object
instances	an object

Outputs

None

Definition

IN: gpu.render.private

GENERIC#: render-vertex-indexes-instanced 1
    ( primitive-mode vertex-indexes instances -- )

Methods

USING: accessors gpu.buffers gpu.render gpu.render.private
kernel opengl.gl ;

M: index-elements render-vertex-indexes-instanced
    [ gl-primitive-mode ]
    [ [ count>> ] [ index-type>> gl-index-type ] [ ptr>> ] tri ]
    [ ] tri* swap index-buffer
    [ swap glDrawElementsInstanced ] with-gpu-data-ptr ;


USING: accessors gpu.render gpu.render.private kernel opengl.gl
;

M: index-range render-vertex-indexes-instanced
    [ gl-primitive-mode ] [ [ start>> ] [ count>> ] bi ] [ ]
    tri* glDrawArraysInstanced ;


USING: alien gpu.render.private kernel opengl.gl sequences
specialized-arrays ;

M: specialized-array render-vertex-indexes-instanced
    GL_ELEMENT_ARRAY_BUFFER 0 glBindBuffer
    [ gl-primitive-mode ]
    [ [ length ] [ gl-array-element-type ] [ >c-ptr ] tri ] [ ]
    tri* glDrawElementsInstanced ;