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use super::{BeginMode, DataType, WebGlRenderer};
use crate::errors::Error;
use web_sys::{WebGl2RenderingContext, WebGlRenderingContext};
impl WebGlRenderer<WebGlRenderingContext> {
pub fn vertex_attrib_divisor(&self, loc: u32, divisor: u32) -> Result<(), Error> {
let ext = self.get_extension_instanced_arrays()?;
ext.vertex_attrib_divisor_angle(loc, divisor);
Ok(())
}
pub fn draw_arrays_instanced(
&self,
mode: BeginMode,
first: u32,
count: u32,
primcount: u32,
) -> Result<(), Error> {
let ext = self.get_extension_instanced_arrays()?;
ext.draw_arrays_instanced_angle(mode as u32, first as i32, count as i32, primcount as i32);
Ok(())
}
pub fn draw_elements_instanced(
&self,
mode: BeginMode,
count: u32,
data_type: DataType,
offset: u32,
primcount: u32,
) -> Result<(), Error> {
let ext = self.get_extension_instanced_arrays()?;
ext.draw_elements_instanced_angle_with_i32(
mode as u32,
count as i32,
data_type as u32,
offset as i32,
primcount as i32,
);
Ok(())
}
}
impl WebGlRenderer<WebGl2RenderingContext> {
pub fn vertex_attrib_divisor(&self, loc: u32, divisor: u32) -> Result<(), Error> {
self.gl.vertex_attrib_divisor(loc, divisor);
Ok(())
}
pub fn draw_arrays_instanced(
&self,
mode: BeginMode,
first: u32,
count: u32,
primcount: u32,
) -> Result<(), Error> {
self.gl
.draw_arrays_instanced(mode as u32, first as i32, count as i32, primcount as i32);
Ok(())
}
pub fn draw_elements_instanced(
&self,
mode: BeginMode,
count: u32,
data_type: DataType,
offset: u32,
primcount: u32,
) -> Result<(), Error> {
self.gl.draw_elements_instanced_with_i32(
mode as u32,
count as i32,
data_type as u32,
offset as i32,
primcount as i32,
);
Ok(())
}
}