X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fframebuffer.h;h=3d3ec088138f9d4b50d675ead1d0b73807277212;hp=b4f43f77f47473a12381eb499eb13a3c6d658c13;hb=f14435e58bfa0fa697a06ba9a454bb30cd37d9d8;hpb=42ace9ac1350d3ae009bdd2fb335ac1e57d1b36b

diff --git a/source/framebuffer.h b/source/framebuffer.h
index b4f43f77..3d3ec088 100644
--- a/source/framebuffer.h
+++ b/source/framebuffer.h
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_FRAMEBUFFER_H_
 #define MSP_GL_FRAMEBUFFER_H_
 
@@ -86,27 +79,34 @@ private:
 			Renderbuffer *rbuf;
 			Texture *tex;
 		};
+		unsigned level;
 
 		Attachment(FramebufferAttachment);
-		Attachment &operator=(Renderbuffer &);
-		Attachment &operator=(Texture &);
+		void set(Renderbuffer &);
+		void set(Texture &, unsigned);
+		void clear();
 	};
 
 	unsigned id;
 	std::vector<Attachment> attachments;
 	unsigned width;
 	unsigned height;
+	mutable unsigned dirty;
 
-	static int sys_viewport[4];
-
+	Framebuffer(unsigned);
 public:
 	Framebuffer();
 	~Framebuffer();
 
-	void bind() const;
+	unsigned get_width() const { return width; }
+	unsigned get_height() const { return height; }
 
+private:
+	void update_attachment(unsigned) const;
+	void check_size();
+public:
 	void attach(FramebufferAttachment attch, Renderbuffer &rbuf);
-	void attach(FramebufferAttachment attch, Texture2D &tex, int level);
+	void attach(FramebufferAttachment attch, Texture2D &tex, unsigned level = 0);
 	void detach(FramebufferAttachment attch);
 
 	/**
@@ -116,21 +116,24 @@ public:
 	*/
 	FramebufferStatus check_status() const;
 
+	void clear(BufferBits);
+	void blit_from(const Framebuffer &, int, int, int, int, int, int, int, int, BufferBits, bool);
+	void blit_from(const Framebuffer &, int, int, unsigned, unsigned, int, int, BufferBits);
+	void blit_from(const Framebuffer &, BufferBits, bool);
+
+	void bind() const;
+
+	static const Framebuffer *current();
 	static void unbind();
+
+	static Framebuffer &system();
 private:
-	void maybe_bind() const;
-	Attachment &get_or_create_attachment(FramebufferAttachment);
-	void check_size();
+	unsigned get_attachment_index(FramebufferAttachment);
 };
 
 inline BufferBits operator|(BufferBits a, BufferBits b)
 { return static_cast<BufferBits>(static_cast<int>(a)|static_cast<int>(b)); }
 
-void viewport(int, int, unsigned, unsigned);
-void clear(BufferBits);
-void draw_buffer(RWBuffer);
-void read_buffer(RWBuffer);
-
 } // namespace GL
 } // namespace Msp