X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcolorcurve.cpp;h=8811b065fd3b6f0dddddd86a8e091e08d97bc224;hp=f1c090308458b4edbf9360d5018a80d817389471;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=444151a0c0c31eac99663c19dda87a7c543bee84 diff --git a/source/colorcurve.cpp b/source/colorcurve.cpp index f1c09030..8811b065 100644 --- a/source/colorcurve.cpp +++ b/source/colorcurve.cpp @@ -13,15 +13,15 @@ namespace GL { 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); - 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); @@ -41,15 +41,6 @@ void ColorCurve::set_brightness_response(float b) shdata.uniform("brightness_response", b, t, pow(t, b)); } -void ColorCurve::set_peak(float) -{ -} - -void ColorCurve::set_brightness(float b) -{ - set_brightness_response(1/b); -} - void ColorCurve::set_gamma(float g) { if(g<0.1 || g>10) @@ -58,7 +49,7 @@ void ColorCurve::set_gamma(float g) 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() @@ -67,7 +58,7 @@ 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() @@ -75,17 +66,58 @@ 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); +} + + +ColorCurve::Template::Template(): + exposure_adjust(0.0f), + brightness_response(0.4f), + gamma(1.0f), + srgb(false) +{ } + +ColorCurve *ColorCurve::Template::create(unsigned, unsigned) const +{ + RefPtr colorcurve = new ColorCurve; + colorcurve->set_exposure_adjust(exposure_adjust); + colorcurve->set_brightness_response(brightness_response); + if(srgb) + colorcurve->set_srgb(); + else + colorcurve->set_gamma(gamma); + return colorcurve.release(); +} + + +ColorCurve::Template::Loader::Loader(Template &t): + DataFile::DerivedObjectLoader(t) +{ + add("brightness_response", &Template::brightness_response); + add("exposure_adjust", &Template::exposure_adjust); + add("gamma", &Loader::gamma); + add("srgb", &Loader::srgb); +} + +void ColorCurve::Template::Loader::gamma(float g) +{ + obj.gamma = g; + obj.srgb = false; +} + +void ColorCurve::Template::Loader::srgb() +{ + obj.srgb = true; } } // namespace GL