X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fenvironmentmap.cpp;h=1cc589143e78da5cc1d47cf456f2f6360613d2ac;hp=b55dd2c7c6cca956d000a4823859b102b9513086;hb=d5c26741ed3952dd54c8a7f43ad42ba79bf2d977;hpb=7cf5ebbc9d91d09d0664598d3fb88606c3307deb

diff --git a/source/environmentmap.cpp b/source/environmentmap.cpp
index b55dd2c7..1cc58914 100644
--- a/source/environmentmap.cpp
+++ b/source/environmentmap.cpp
@@ -1,8 +1,11 @@
+#include <algorithm>
 #include <cmath>
 #include "environmentmap.h"
 #include "renderer.h"
 #include "texunit.h"
 
+using namespace std;
+
 namespace Msp {
 namespace GL {
 
@@ -10,9 +13,11 @@ EnvironmentMap::EnvironmentMap(unsigned s, Renderable &r, Renderable &e):
 	Effect(r),
 	size(s),
 	environment(e),
-	rendered(false)
+	rendered(false),
+	update_interval(1),
+	update_delay(0)
 {
-	env_tex.storage(RGB, size);
+	env_tex.storage(RGB, size, 1);
 	env_tex.set_wrap(CLAMP_TO_EDGE);
 	env_tex.set_min_filter(LINEAR);
 	depth_buf.storage(DEPTH_COMPONENT, size, size);
@@ -23,13 +28,28 @@ EnvironmentMap::EnvironmentMap(unsigned s, Renderable &r, Renderable &e):
 		fbo[i].require_complete();
 	}
 
-	// XXX Make the depth range configurable
 	camera.set_field_of_view(Geometry::Angle<float>::right());
 	camera.set_aspect_ratio(1);
 	camera.set_depth_clip(0.1, 100);
 
 }
 
+void EnvironmentMap::set_depth_clip(float n, float f)
+{
+	camera.set_depth_clip(n, f);
+}
+
+void EnvironmentMap::set_update_interval(unsigned i)
+{
+	update_interval = i;
+	update_delay = min(update_delay, update_interval-1);
+}
+
+void EnvironmentMap::queue_update()
+{
+	update_delay = 0;
+}
+
 void EnvironmentMap::setup_frame(Renderer &renderer)
 {
 	if(rendered)
@@ -37,6 +57,14 @@ void EnvironmentMap::setup_frame(Renderer &renderer)
 
 	rendered = true;
 	renderable.setup_frame(renderer);
+
+	if(update_delay)
+	{
+		if(update_interval)
+			--update_delay;
+		return;
+	}
+	update_delay = update_interval-1;
 	environment.setup_frame(renderer);
 
 	const Matrix *matrix = renderable.get_matrix();