func (c *Context) UniformFloats(p Program, location string, v []float32) {
l := int32(GetUniformLocation(c, p, location))
switch len(v) {
case 4:
gl.Uniform4fv(l, 1, (*float32)(gl.Ptr(v)))
case 16:
gl.UniformMatrix4fv(l, 1, false, (*float32)(gl.Ptr(v)))
default:
panic("not reach")
}
}
func (c *Context) UniformFloats(p Program, location string, v []float32) {
_ = c.runOnContextThread(func() error {
l := int32(c.locationCache.GetUniformLocation(c, p, location))
switch len(v) {
case 4:
gl.Uniform4fv(l, 1, (*float32)(gl.Ptr(v)))
case 16:
gl.UniformMatrix4fv(l, 1, false, (*float32)(gl.Ptr(v)))
default:
panic("not reach")
}
return nil
})
}
// Uniform4fv writes a vec4 uniform array of len(src)/4 elements.
//
// http://www.khronos.org/opengles/sdk/docs/man3/html/glUniform.xhtml
func Uniform4fv(dst Uniform, src []float32) {
gl.Uniform4fv(dst.Value, int32(len(src)/4), &src[0])
}