X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fshadowmap.cpp;h=11403c6dfb8cb1d48225cd619f01153eec263956;hb=48fc090a59a5ff5c3f06ffe1acfe77b06dad2a86;hp=25b0d6d66f4345246f120b2087c9766fd71143d3;hpb=7e9e15a12fb398798f2719545cc8553354c1e389;p=libs%2Fgl.git

diff --git a/source/shadowmap.cpp b/source/shadowmap.cpp
index 25b0d6d6..11403c6d 100644
--- a/source/shadowmap.cpp
+++ b/source/shadowmap.cpp
@@ -1,16 +1,8 @@
-/* $Id$
-
-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 "scene.h"
 #include "shadowmap.h"
 #include "texunit.h"
@@ -31,11 +23,8 @@ 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);
-	draw_buffer(NO_BUFFER);
-	Framebuffer::unbind();
 }
 
 void ShadowMap::set_target(const Vector3 &t, float r)
@@ -100,34 +89,22 @@ void ShadowMap::prepare()
 	matrix[15] = 1;
 
 	{
-		matrix_mode(PROJECTION);
-		push_matrix();
-		load_identity();
-		ortho(-radius, radius, -radius, radius, -radius, radius);
-		matrix_mode(MODELVIEW);
-		push_matrix();
-		load_matrix(matrix);
-
-		const Framebuffer *old_fbo = Framebuffer::current();
-		fbo.bind();
-		clear(DEPTH_BUFFER_BIT);
-		scene.render("shadow");
+		MatrixStack::Push push_mv(MatrixStack::modelview());
+		MatrixStack::Push push_proj(MatrixStack::projection());
 
-		matrix_mode(PROJECTION);
-		pop_matrix();
-		matrix_mode(MODELVIEW);
-		pop_matrix();
-		if(old_fbo)
-			old_fbo->bind();
-		else
-			Framebuffer::unbind();
+		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");
 	}
 
 	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);