X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fshadowmap.cpp;h=b930315f626140d43c461910a8c8bfc01fdfd580;hb=7398ee7ebbd8b7e56c721a85cbe721b79758d09a;hp=95ef8583ccc9ab8e6b85fce1476f36d95d789cb2;hpb=a6c45f5cc50ea2ee2aecf8d4f3b69934e69c8f3f;p=libs%2Fgl.git

diff --git a/source/shadowmap.cpp b/source/shadowmap.cpp
index 95ef8583..b930315f 100644
--- a/source/shadowmap.cpp
+++ b/source/shadowmap.cpp
@@ -18,7 +18,8 @@ ShadowMap::ShadowMap(unsigned s, const Renderable &r, const Light &l):
 	Effect(r),
 	size(s),
 	light(l),
-	radius(1)
+	radius(1),
+	depth_bias(4)
 {
 	depth_buf.set_min_filter(LINEAR);
 	depth_buf.set_compare_enabled(true);
@@ -27,6 +28,7 @@ ShadowMap::ShadowMap(unsigned s, const Renderable &r, const Light &l):
 	depth_buf.storage(DEPTH_COMPONENT, size, size);
 	fbo.attach(DEPTH_ATTACHMENT, depth_buf, 0);
 
+	set_darkness(0.7);
 	set_texture_unit(3);
 }
 
@@ -36,6 +38,22 @@ void ShadowMap::set_target(const Vector3 &t, float r)
 	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::set_texture_unit(unsigned u)
 {
 	unit = u;
@@ -48,7 +66,7 @@ void ShadowMap::set_texture_unit(unsigned u)
 void ShadowMap::render(Renderer &renderer, const Tag &tag) const
 {
 	if(!enabled_passes.count(tag))
-		return renderable.render(renderer, tag);
+		return renderer.render(renderable, tag);
 
 	Vector4 lpos = light.get_position();
 	if(lpos.w)
@@ -118,7 +136,7 @@ void ShadowMap::render(Renderer &renderer, const Tag &tag) const
 	TexGen tg_s, tg_t, tg_r;
 	tg_s.set_plane(Vector4(matrix[0]/diam, matrix[4]/diam, matrix[8]/diam, matrix[12]/diam+0.5f));
 	tg_t.set_plane(Vector4(matrix[1]/diam, matrix[5]/diam, matrix[9]/diam, matrix[13]/diam+0.5f));
-	tg_r.set_plane(Vector4(-matrix[2]/diam, -matrix[6]/diam, -matrix[10]/diam, 0.5f-matrix[14]/diam-4.0f/size));
+	tg_r.set_plane(Vector4(-matrix[2]/diam, -matrix[6]/diam, -matrix[10]/diam, 0.5f-matrix[14]/diam-depth_bias/size));
 	tg_s.bind_to(SCOORD);
 	tg_t.bind_to(TCOORD);
 	tg_r.bind_to(RCOORD);
@@ -126,7 +144,7 @@ void ShadowMap::render(Renderer &renderer, const Tag &tag) const
 
 	Renderer::Push _push_rend(renderer);
 	renderer.add_shader_data(shdata);
-	renderable.render(renderer, tag);
+	renderer.render(renderable, tag);
 
 	Texture::unbind_from(unit);
 	TexGen::unbind_from(SCOORD);