func (t *textureImpl) Upload(dp image.Point, src screen.Buffer, sr image.Rectangle, sender screen.Sender) {
// TODO: adjust if dp is outside dst bounds, or sr is outside src bounds.
gl.BindTexture(gl.TEXTURE_2D, t.id)
m := src.RGBA().SubImage(sr).(*image.RGBA)
b := m.Bounds()
// TODO check m bounds smaller than t.size
gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, b.Dx(), b.Dy(), gl.RGBA, gl.UNSIGNED_BYTE, m.Pix)
// TODO: send a screen.UploadedEvent.
}
// Upload copies the host image data to the GL device.
func (img *Image) Upload() {
gl.BindTexture(gl.TEXTURE_2D, img.Texture)
gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, img.texWidth, img.texHeight, gl.RGBA, gl.UNSIGNED_BYTE, img.Pix)
}
// Upload copies the host image data to the GL device.
func (img *Image) Upload() {
tex := texmap.get(*img.key)
gl.BindTexture(gl.TEXTURE_2D, tex.gltex)
gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, tex.width, tex.height, gl.RGBA, gl.UNSIGNED_BYTE, img.RGBA.Pix)
}
