X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fshadowmap.cpp;h=921a1747875b4bf0b349042dac6aab26095cff84;hp=bc46f2c1b298827738a9db5c6d5140c1362edb50;hb=HEAD;hpb=50a0c7fd661fe6bfa3f929ad66e47cfab4a0fb87

diff --git a/source/shadowmap.cpp b/source/shadowmap.cpp
deleted file mode 100644
index bc46f2c1..00000000
--- a/source/shadowmap.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-#include <cmath>
-#include <cstdlib>
-#include "camera.h"
-#include "light.h"
-#include "matrix.h"
-#include "misc.h"
-#include "renderer.h"
-#include "scene.h"
-#include "shadowmap.h"
-#include "tests.h"
-#include "texunit.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-ShadowMap::ShadowMap(unsigned s, const Renderable &r, const Light &l):
-	Effect(r),
-	size(s),
-	light(l),
-	radius(1),
-	depth_bias(4),
-	rendered(false)
-{
-	depth_buf.set_min_filter(LINEAR);
-	depth_buf.set_compare_enabled(true);
-	depth_buf.set_compare_func(LEQUAL);
-	depth_buf.set_wrap(CLAMP_TO_EDGE);
-	depth_buf.storage(DEPTH_COMPONENT, size, size);
-	fbo.attach(DEPTH_ATTACHMENT, depth_buf, 0);
-	fbo.require_complete();
-
-	set_darkness(0.7);
-}
-
-void ShadowMap::set_target(const Vector3 &t, float r)
-{
-	target = t;
-	radius = r;
-}
-
-void ShadowMap::set_darkness(float d)
-{
-	if(d<0.0f || d>1.0f)
-		throw invalid_argument("ShadowMap::set_darkness");
-
-	shdata.uniform("shadow_darkness", d);
-}
-
-void ShadowMap::set_depth_bias(float b)
-{
-	if(b<0.0f)
-		throw invalid_argument("ShadowMap::set_depth_bias");
-
-	depth_bias = b;
-}
-
-void ShadowMap::setup_frame() const
-{
-	if(rendered)
-		return;
-
-	rendered = true;
-	renderable.setup_frame();
-
-	const Vector4 &lpos = light.get_position();
-	Vector3 back;
-	if(lpos.w)
-	{
-		/* XXX Not really proper way to support positional lights, but good
-		enough when the light source is far away */
-		back = lpos.slice<3>(0)-target;
-	}
-	else
-		back = lpos.slice<3>(0);
-	back.normalize();
-
-	Vector3 up;
-	if(abs(back.z)<0.99)
-		up = Vector3(0, 0, 1);
-	else
-		up = Vector3(0, 1, 0);
-
-	Vector3 right = normalize(cross(up, back));
-
-	Vector4 columns[4];
-	columns[0] = compose(right, 0.0f);
-	columns[1] = compose(normalize(cross(back, right)), 0.0f);
-	columns[2] = compose(back, 0.0f);
-	columns[3] = compose(target, 1.0f);
-	light_matrix = Matrix::from_columns(columns);
-	view_matrix = invert(light_matrix);
-
-	MatrixStack::Push push_mv(MatrixStack::modelview());
-	MatrixStack::Push push_proj(MatrixStack::projection());
-
-	MatrixStack::projection() = Matrix::ortho(-radius, radius, -radius, radius, -radius, radius);
-	MatrixStack::modelview() = view_matrix;
-
-	shadow_matrix = light_matrix;
-	shadow_matrix.scale(radius*2, radius*2, -radius*2);
-	shadow_matrix.translate(-0.5, -0.5, depth_bias/size-0.5);
-	shadow_matrix.invert();
-
-	BindRestore bind_fbo(fbo);
-	Bind bind_depth(DepthTest::lequal());
-	fbo.clear(DEPTH_BUFFER_BIT);
-	renderable.render("shadow");
-}
-
-void ShadowMap::finish_frame() const
-{
-	renderable.finish_frame();
-	rendered = false;
-}
-
-void ShadowMap::render(Renderer &renderer, const Tag &tag) const
-{
-	if(!enabled_passes.count(tag))
-		return renderer.render(renderable, tag);
-
-	Renderer::Push _push_rend(renderer);
-
-	unsigned unit = renderer.allocate_effect_texunit();
-	int iunit = unit;
-	shdata.uniform("shadow", iunit);
-
-	Bind _bind_depth(depth_buf, unit);
-
-	if(const Camera *camera = renderer.get_camera())
-		/* Multiply by camera's object matrix to form a matrix that transforms
-		from eye space to shadow space. */
-		shdata.uniform("shd_eye_matrix", shadow_matrix*camera->get_object_matrix());
-	else
-		shdata.uniform("shd_eye_matrix", shadow_matrix);
-
-	renderer.add_shader_data(shdata);
-	renderer.render(renderable, tag);
-}
-
-} // namespace GL
-} // namespace Msp