X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fambientocclusion.cpp;h=ed7d1636d711d34ee6539fd4ddb11adbb4677f44;hp=49d712543ccff582f5fd7a5f064e05c25e8d4264;hb=HEAD;hpb=a2e5fc44fc4eae17c98a569af1c6bd0baf1f7684

diff --git a/source/ambientocclusion.cpp b/source/ambientocclusion.cpp
deleted file mode 100644
index 49d71254..00000000
--- a/source/ambientocclusion.cpp
+++ /dev/null
@@ -1,137 +0,0 @@
-#include <algorithm>
-#include "ambientocclusion.h"
-#include "blend.h"
-#include "camera.h"
-#include "renderer.h"
-#include "shader.h"
-#include "tests.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-AmbientOcclusion::AmbientOcclusion(unsigned w, unsigned h, float):
-	occlude_target(w, h, (RENDER_COLOR,RGB)),
-	occlude_shader("ambientocclusion_occlude.glsl"),
-	combine_shader("ambientocclusion_combine.glsl"),
-	quad(get_fullscreen_quad())
-{
-	occlude_target.set_texture_filter(LINEAR);
-	texturing.attach(2, occlude_target.get_target_texture(RENDER_COLOR));
-
-	unsigned seed = 1;
-	rotate_lookup.storage(RGBA, 4, 4, 1);
-	rotate_lookup.set_filter(NEAREST);
-	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*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);
-
-	texturing.attach(3, rotate_lookup);
-
-	shdata.uniform("source", 0);
-	shdata.uniform("depth", 1);
-	shdata.uniform("occlusion", 2);
-	shdata.uniform("rotate", 3);
-	shdata.uniform("inverse_projection", Matrix());
-
-	set_n_samples(16);
-	set_occlusion_radius(0.5f);
-	set_darkness(1.0f);
-}
-
-float AmbientOcclusion::random(unsigned &seed)
-{
-	static const unsigned modulus = (1U<<31)-1;
-	seed = (static_cast<UInt64>(seed)*48271)%modulus;  // minstd
-	return static_cast<float>(seed)/(modulus-1);
-}
-
-void AmbientOcclusion::set_n_samples(unsigned n)
-{
-	if(n<1 || n>32)
-		throw out_of_range("AmbientOcclusion::set_n_samples");
-
-	unsigned seed = 1;
-	float radius_divisor = (n-1)*(n-1);
-	Vector3 sample_points[32];
-	for(unsigned i=0; i<n; ++i)
-	{
-		Vector3 v(random(seed)-0.5f, random(seed)-0.5f, random(seed)-0.5f);
-		sample_points[i] = normalize(v)*(0.1f+0.9f*i*i/radius_divisor);
-	}
-	shdata.uniform3_array("sample_points", n, &sample_points[0].x);
-	shdata.uniform("n_samples", static_cast<int>(n));
-}
-
-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::render(Renderer &renderer, const Texture2D &color, const Texture2D &depth)
-{
-	texturing.attach(0, color);
-	texturing.attach(1, depth);
-
-	if(renderer.get_camera())
-		shdata.uniform("inverse_projection", invert(renderer.get_camera()->get_projection_matrix()));
-
-	Renderer::Push push(renderer);
-	renderer.set_texturing(&texturing);
-	renderer.set_shader_program(&occlude_shader, &shdata);
-
-	{
-		BindRestore bind_fbo(occlude_target.get_framebuffer());
-		quad.draw(renderer);
-	}
-
-	renderer.set_shader_program(&combine_shader);
-	quad.draw(renderer);
-}
-
-
-AmbientOcclusion::Template::Template():
-	n_samples(16),
-	occlusion_radius(0.5f),
-	darkness(1.0f)
-{ }
-
-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);
-	return ao.release();
-}
-
-
-AmbientOcclusion::Template::Loader::Loader(Template &t):
-	DataFile::DerivedObjectLoader<Template, PostProcessor::Template::Loader>(t)
-{
-	add("darkness", &Template::darkness);
-	add("occlusion_radius", &Template::occlusion_radius);
-	add("samples", &Template::n_samples);
-}
-
-} // namespace GL
-} // namespace Msp