X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fenvironmentmap.h;fp=source%2Fenvironmentmap.h;h=9c4c4d15df4b4c6d342805973df4368944688a96;hp=0000000000000000000000000000000000000000;hb=131bec9b254f5ba50dcaf7e6192baab9e9ccba6f;hpb=bd141418a0712feeb64bcaff7f57e29913b0317b

diff --git a/source/environmentmap.h b/source/environmentmap.h
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+++ b/source/environmentmap.h
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+#ifndef MSP_GL_ENVIRONMENTMAP_H_
+#define MSP_GL_ENVIRONMENTMAP_H_
+
+#include "camera.h"
+#include "effect.h"
+#include "framebuffer.h"
+#include "matrix.h"
+#include "programdata.h"
+#include "renderbuffer.h"
+#include "texturecube.h"
+#include "vector.h"
+
+namespace Msp {
+namespace GL {
+
+class Renderable;
+
+/**
+Creates a cube map texture of the surroundings of the renderable.  This texture
+can then be used to implement effects such as reflections or refractions.
+
+If the EnvironmentMap is used in a Pipeline, it's worth noting that the cube
+map will be prepared outside of any rendering pass.  It's recommended to use
+another Pipeline to define which passes should be used to render the
+environment.
+*/
+class EnvironmentMap: public Effect
+{
+private:
+	unsigned size;
+	Renderable &environment;
+	TextureCube env_tex;
+	Renderbuffer depth_buf;
+	mutable Framebuffer fbo[6];
+	mutable Camera camera;
+	mutable ProgramData shdata;
+	mutable bool rendered;
+
+public:
+	EnvironmentMap(unsigned size, Renderable &rend, Renderable &env);
+
+	virtual void setup_frame() const;
+	virtual void finish_frame() const;
+
+	virtual void render(Renderer &, const Tag &) const;
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif