Remove the deprecated ProgramBuilder class

[libs/gl.git] / source / ambientocclusion.cpp

diff --git a/source/ambientocclusion.cpp b/source/ambientocclusion.cpp
index af1008b4230cf3283c2fe3362c6815f71d6c078c..8c1dd616c4b53ba40b49aea69bfd237bd89e1b17 100644 (file)
--- a/source/ambientocclusion.cpp
+++ b/source/ambientocclusion.cpp
@@ -12,30 +12,31 @@ namespace Msp {
 namespace GL {
 
 AmbientOcclusion::AmbientOcclusion(unsigned w, unsigned h, float):
-       occlude_target(w, h, (RENDER_COLOR,RGB)),
+       occlude_target(w, h, (RENDER_COLOR,R8)),
        occlude_shader("ambientocclusion_occlude.glsl"),
        combine_shader("ambientocclusion_combine.glsl"),
-       quad(get_fullscreen_quad())
+       quad(get_fullscreen_quad()),
+       linear_sampler(get_linear_sampler()),
+       nearest_sampler(get_nearest_sampler())
 {
-       texturing.attach(2, occlude_target.get_target_texture(RENDER_COLOR));
+       texturing.attach(2, occlude_target.get_target_texture(RENDER_COLOR), linear_sampler.get());
 
        unsigned seed = 1;
-       rotate_lookup.storage(RGBA, 4, 4);
-       rotate_lookup.set_filter(NEAREST);
+       rotate_lookup.storage(RGBA8, 4, 4, 1);
        unsigned char data[64];
        for(unsigned i=0; i<16; ++i)
        {
                Geometry::Angle<float> a = Geometry::Angle<float>::from_turns(random(seed));
                unsigned char c = (cos(a)*0.5f+0.5f)*255;
                unsigned char s = (sin(a)*0.5f+0.5f)*255;
-               data[i*3  ] = c;
-               data[i*3+1] = s;
-               data[i*3+2] = 255-s;
-               data[i*3+4] = ((i+i/4)%2)*255;
+               data[i*4  ] = c;
+               data[i*4+1] = s;
+               data[i*4+2] = 255-s;
+               data[i*4+3] = ((i+i/4)%2)*255;
        }
-       rotate_lookup.image(0, RGBA, UNSIGNED_BYTE, data);
+       rotate_lookup.image(0, data);
 
-       texturing.attach(3, rotate_lookup);
+       texturing.attach(3, rotate_lookup, nearest_sampler.get());
 
        shdata.uniform("source", 0);
        shdata.uniform("depth", 1);
@@ -46,12 +47,13 @@ AmbientOcclusion::AmbientOcclusion(unsigned w, unsigned h, float):
        set_n_samples(16);
        set_occlusion_radius(0.5f);
        set_darkness(1.0f);
+       set_edge_depth_threshold(0.1f);
 }
 
 float AmbientOcclusion::random(unsigned &seed)
 {
        static const unsigned modulus = (1U<<31)-1;
-       seed = (seed*48271)%modulus;  // minstd
+       seed = (static_cast<UInt64>(seed)*48271)%modulus;  // minstd
        return static_cast<float>(seed)/(modulus-1);
 }
 
@@ -77,19 +79,20 @@ void AmbientOcclusion::set_occlusion_radius(float r)
        shdata.uniform("occlusion_radius", r);
 }
 
-void AmbientOcclusion::set_depth_ratio(float)
+void AmbientOcclusion::set_darkness(float darkness)
 {
+       shdata.uniform("darkness", darkness);
 }
 
-void AmbientOcclusion::set_darkness(float darkness)
+void AmbientOcclusion::set_edge_depth_threshold(float edt)
 {
-       shdata.uniform("darkness", darkness);
+       shdata.uniform("edge_depth_threshold", edt);
 }
 
 void AmbientOcclusion::render(Renderer &renderer, const Texture2D &color, const Texture2D &depth)
 {
-       texturing.attach(0, color);
-       texturing.attach(1, depth);
+       texturing.attach(0, color, nearest_sampler.get());
+       texturing.attach(1, depth, nearest_sampler.get());
 
        if(renderer.get_camera())
                shdata.uniform("inverse_projection", invert(renderer.get_camera()->get_projection_matrix()));
@@ -100,11 +103,39 @@ void AmbientOcclusion::render(Renderer &renderer, const Texture2D &color, const
 
        {
                BindRestore bind_fbo(occlude_target.get_framebuffer());
-               quad.draw(renderer);
+               quad->draw(renderer);
        }
 
        renderer.set_shader_program(&combine_shader);
-       quad.draw(renderer);
+       quad->draw(renderer);
+}
+
+
+AmbientOcclusion::Template::Template():
+       n_samples(16),
+       occlusion_radius(0.5f),
+       darkness(1.0f),
+       edge_depth_threshold(0.1f)
+{ }
+
+AmbientOcclusion *AmbientOcclusion::Template::create(unsigned width, unsigned height) const
+{
+       RefPtr<AmbientOcclusion> ao = new AmbientOcclusion(width/size_divisor, height/size_divisor);
+       ao->set_n_samples(n_samples);
+       ao->set_occlusion_radius(occlusion_radius);
+       ao->set_darkness(darkness);
+       ao->set_edge_depth_threshold(edge_depth_threshold);
+       return ao.release();
+}
+
+
+AmbientOcclusion::Template::Loader::Loader(Template &t):
+       DataFile::DerivedObjectLoader<Template, PostProcessor::Template::Loader>(t)
+{
+       add("darkness", &Template::darkness);
+       add("edge_depth_threshold", &Template::edge_depth_threshold);
+       add("occlusion_radius", &Template::occlusion_radius);
+       add("samples", &Template::n_samples);
 }
 
 } // namespace GL