X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fshadowmap.cpp;h=921a1747875b4bf0b349042dac6aab26095cff84;hp=6250f899005b23684f0397b324609a174a858631;hb=HEAD;hpb=9087cc0a372b9c739f15398c7a22c0a6eb5041bb

diff --git a/source/shadowmap.cpp b/source/shadowmap.cpp
deleted file mode 100644
index 6250f899..00000000
--- a/source/shadowmap.cpp
+++ /dev/null
@@ -1,118 +0,0 @@
-#include <cmath>
-#include <cstdlib>
-#include "camera.h"
-#include "light.h"
-#include "renderer.h"
-#include "scene.h"
-#include "shadowmap.h"
-#include "tests.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-ShadowMap::ShadowMap(unsigned s, Renderable &r, const Light &l):
-	Effect(r),
-	size(s),
-	light(l),
-	radius(1),
-	depth_bias(4),
-	rendered(false)
-{
-	Sampler &depth_samp = depth_buf.get_default_sampler();
-	depth_samp.set_min_filter(LINEAR);
-	depth_samp.set_compare(LEQUAL);
-	depth_samp.set_wrap(CLAMP_TO_EDGE);
-	depth_buf.storage(DEPTH_COMPONENT32F, size, size, 1);
-	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(Renderer &renderer)
-{
-	if(rendered)
-		return;
-
-	rendered = true;
-	renderable.setup_frame(renderer);
-
-	Camera camera;
-	camera.set_object_matrix(*light.get_matrix());
-	camera.set_position(target);
-	// TODO support point and spot lights with a frustum projection.
-	// Omnidirectional lights also need a cube shadow map.
-	camera.set_orthographic(radius*2, radius*2);
-	camera.set_depth_clip(-radius, radius);
-
-	shadow_matrix = camera.get_object_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);
-
-	Renderer::Push push(renderer);
-	renderer.set_camera(camera);
-
-	renderer.render(renderable, "shadow");
-}
-
-void ShadowMap::finish_frame()
-{
-	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_map", 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