X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fshadowmap.cpp;h=5b2bacad4c4617ad7d617fd333edad7f5232f568;hb=777f5f37f2d89ef2a787a77d74372b643968740e;hp=bedfcfd51c0f1e2aa4d1f5bd374e1c5b8a342620;hpb=3663bed18358a2399b2a8a8f7779d85e0ed81bd0;p=libs%2Fgl.git

diff --git a/source/shadowmap.cpp b/source/shadowmap.cpp
index bedfcfd5..5b2bacad 100644
--- a/source/shadowmap.cpp
+++ b/source/shadowmap.cpp
@@ -1,16 +1,9 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2009  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #include <cmath>
 #include <cstdlib>
 #include "light.h"
 #include "matrix.h"
 #include "misc.h"
-#include "projection.h"
+#include "renderer.h"
 #include "scene.h"
 #include "shadowmap.h"
 #include "texunit.h"
@@ -20,9 +13,9 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
-ShadowMap::ShadowMap(unsigned s, const Scene &c, const Light &l):
+ShadowMap::ShadowMap(unsigned s, const Renderable &r, const Light &l):
+	Effect(r),
 	size(s),
-	scene(c),
 	light(l),
 	unit(3),
 	radius(1)
@@ -31,8 +24,7 @@ ShadowMap::ShadowMap(unsigned s, const Scene &c, const Light &l):
 	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, 0);
-	depth_buf.image(0, DEPTH_COMPONENT, UNSIGNED_BYTE, 0);
+	depth_buf.storage(DEPTH_COMPONENT, size, size);
 	fbo.attach(DEPTH_ATTACHMENT, depth_buf, 0);
 }
 
@@ -47,8 +39,11 @@ void ShadowMap::set_texture_unit(unsigned u)
 	unit = u;
 }
 
-void ShadowMap::prepare()
+void ShadowMap::render(Renderer &renderer, const Tag &tag) const
 {
+	if(!enabled_passes.count(tag))
+		return renderable.render(renderer, tag);
+
 	Vector4 lpos = light.get_position();
 	if(lpos.w)
 	{
@@ -97,30 +92,25 @@ void ShadowMap::prepare()
 	matrix[11] = 0;
 	matrix[15] = 1;
 
+	renderer.escape();
+
 	{
-		matrix_mode(PROJECTION);
-		push_matrix();
-		load_identity();
-		ortho(-radius, radius, -radius, radius, -radius, radius);
-		matrix_mode(MODELVIEW);
-		push_matrix();
-		load_matrix(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() = matrix;
 
 		Bind bind_fbo(fbo, true);
 		fbo.clear(DEPTH_BUFFER_BIT);
-		scene.render("shadow");
-
-		matrix_mode(PROJECTION);
-		pop_matrix();
-		matrix_mode(MODELVIEW);
-		pop_matrix();
+		renderable.render("shadow");
 	}
 
 	depth_buf.bind_to(unit);
 	float diam = radius*2;
-	float s_eq[4] = { matrix[0]/diam, matrix[4]/diam, matrix[8]/diam, matrix[12]/diam+0.5 };
-	float t_eq[4] = { matrix[1]/diam, matrix[5]/diam, matrix[9]/diam, matrix[13]/diam+0.5 };
-	float r_eq[4] = { -matrix[2]/diam, -matrix[6]/diam, -matrix[10]/diam, 0.5-matrix[14]/diam-4.0/size };
+	float s_eq[4] = { matrix[0]/diam, matrix[4]/diam, matrix[8]/diam, matrix[12]/diam+0.5f };
+	float t_eq[4] = { matrix[1]/diam, matrix[5]/diam, matrix[9]/diam, matrix[13]/diam+0.5f };
+	float r_eq[4] = { -matrix[2]/diam, -matrix[6]/diam, -matrix[10]/diam, 0.5f-matrix[14]/diam-4.0f/size };
 	glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
 	glTexGenfv(GL_S, GL_EYE_PLANE, s_eq);
 	enable(GL_TEXTURE_GEN_S);
@@ -132,10 +122,9 @@ void ShadowMap::prepare()
 	enable(GL_TEXTURE_GEN_R);
 
 	TexUnit::activate(0);
-}
 
-void ShadowMap::cleanup()
-{
+	renderable.render(renderer, tag);
+
 	Texture::unbind_from(unit);
 	disable(GL_TEXTURE_GEN_S);
 	disable(GL_TEXTURE_GEN_T);