ColorCurve::ColorCurve():
shprog("colorcurve.glsl"),
- quad(get_fullscreen_quad())
+ quad(get_fullscreen_quad()),
+ linear_sampler(get_linear_sampler()),
+ nearest_sampler(get_nearest_sampler())
{
shdata.uniform("source", 0);
shdata.uniform("curve", 1);
- curve.storage(LUMINANCE, 256, 1);
- curve.set_min_filter(LINEAR);
- curve.set_wrap(CLAMP_TO_EDGE);
- texturing.attach(1, curve);
+ curve.storage(LUMINANCE8, 256, 1);
+ texturing.attach(1, curve, linear_sampler.get());
set_exposure_adjust(0.0f);
set_brightness_response(0.4f);
unsigned char curve_data[256];
for(unsigned i=0; i<256; ++i)
curve_data[i] = pow(i/255.0f, 1/g)*255+0.5f;
- curve.image(0, LUMINANCE, UNSIGNED_BYTE, curve_data);
+ curve.image(0, curve_data);
}
void ColorCurve::set_srgb()
curve_data[0] = 0;
for(unsigned i=1; i<256; ++i)
curve_data[i] = to_srgb(i/255.0f)*255+0.5f;
- curve.image(0, LUMINANCE, UNSIGNED_BYTE, curve_data);
+ curve.image(0, curve_data);
}
void ColorCurve::set_linear()
unsigned char curve_data[256];
for(unsigned i=0; i<256; ++i)
curve_data[i] = i;
- curve.image(0, LUMINANCE, UNSIGNED_BYTE, curve_data);
+ curve.image(0, curve_data);
}
void ColorCurve::render(Renderer &renderer, const Texture2D &color_buf, const Texture2D &)
{
- texturing.attach(0, color_buf);
+ texturing.attach(0, color_buf, nearest_sampler.get());
Renderer::Push push(renderer);
renderer.set_shader_program(&shprog, &shdata);
renderer.set_texturing(&texturing);
- quad.draw(renderer);
+ quad->draw(renderer);
}