X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fframebuffer.cpp;h=cf478ce29b686d842ce2074078952633b2e47b02;hp=a0fcbc474203c5588d04e410bf4d0975c49fa983;hb=HEAD;hpb=656b4577fccfb02bea747871e5ab10148f002443

diff --git a/source/framebuffer.cpp b/source/framebuffer.cpp
deleted file mode 100644
index a0fcbc47..00000000
--- a/source/framebuffer.cpp
+++ /dev/null
@@ -1,222 +0,0 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include "extension.h"
-#include "ext_framebuffer_object.h"
-#include "framebuffer.h"
-#include "misc.h"
-#include "renderbuffer.h"
-#include "texture2d.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-Framebuffer::Framebuffer(unsigned i):
-	id(i),
-	dirty(0)
-{
-	if(id)
-		throw InvalidParameterValue("System framebuffer must have id 0");
-
-	int viewport[4];
-	glGetIntegerv(GL_VIEWPORT, viewport);
-	width = viewport[2];
-	height = viewport[3];
-}
-
-Framebuffer::Framebuffer():
-	width(0),
-	height(0),
-	dirty(0)
-{
-	static RequireExtension _ext("GL_EXT_framebuffer_object");
-
-	glGenFramebuffersEXT(1, &id);
-}
-
-Framebuffer::~Framebuffer()
-{
-	if(id)
-		glDeleteFramebuffersEXT(1, &id);
-	if(current()==this)
-		unbind();
-}
-
-void Framebuffer::update_attachment(unsigned mask) const
-{
-	if(current()==this)
-	{
-		GLenum color_buf = GL_NONE;
-		bool has_depth = false;
-		for(unsigned i=0; i<attachments.size(); ++i)
-		{
-			const Attachment &attch = attachments[i];
-			if(mask&(1<<i))
-			{
-				if(attch.type==GL_RENDERBUFFER_EXT)
-					glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, attch.attachment, GL_RENDERBUFFER_EXT, attch.rbuf->get_id());
-				else if(attch.type==GL_TEXTURE_2D)
-				{
-					static_cast<Texture2D *>(attch.tex)->allocate(attch.level);
-					glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, attch.attachment, attch.type, attch.tex->get_id(), attch.level);
-				}
-				else
-					glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, attch.attachment, 0, 0);
-			}
-
-			if(attch.attachment>=COLOR_ATTACHMENT0 && attch.attachment<=COLOR_ATTACHMENT3)
-				color_buf = attch.attachment;
-			if(attch.attachment==DEPTH_ATTACHMENT)
-				has_depth = true;
-		}
-
-		glDrawBuffer(color_buf);
-		glDepthMask(has_depth);
-	}
-	else
-		dirty |= mask;
-}
-
-void Framebuffer::check_size()
-{
-	for(vector<Attachment>::iterator i=attachments.begin(); i!=attachments.end(); ++i)
-		if(i->type)
-		{
-			if(i->type==GL_RENDERBUFFER_EXT)
-			{
-				width = i->rbuf->get_width();
-				height = i->rbuf->get_height();
-			}
-			else if(i->type==GL_TEXTURE_2D)
-			{
-				Texture2D *tex = static_cast<Texture2D *>(i->tex);
-				width = tex->get_width();
-				height = tex->get_height();
-			}
-			if(current()==this)
-				glViewport(0, 0, width, height);
-			break;
-		}
-}
-
-void Framebuffer::attach(FramebufferAttachment attch, Renderbuffer &rbuf)
-{
-	if(!id)
-		throw InvalidState("Can't attach to system framebuffer");
-
-	unsigned i = get_attachment_index(attch);
-	attachments[i].set(rbuf);
-	update_attachment(1<<i);
-	check_size();
-}
-
-void Framebuffer::attach(FramebufferAttachment attch, Texture2D &tex, unsigned level)
-{
-	if(!id)
-		throw InvalidState("Can't attach to system framebuffer");
-
-	unsigned i = get_attachment_index(attch);
-	attachments[i].set(tex, level);
-	update_attachment(1<<i);
-	check_size();
-}
-
-void Framebuffer::detach(FramebufferAttachment attch)
-{
-	if(!id)
-		throw InvalidState("Can't detach from system framebuffer");
-
-	unsigned i = get_attachment_index(attch);
-	attachments[i].clear();
-	update_attachment(1<<i);
-	check_size();
-}
-
-FramebufferStatus Framebuffer::check_status() const
-{
-	Bind _bind(this, true);
-	return static_cast<FramebufferStatus>(glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT));
-}
-
-void Framebuffer::clear(BufferBits bits)
-{
-	Bind _bind(this, true);
-	glClear(bits);
-}
-
-void Framebuffer::bind() const
-{
-	if(set_current(this))
-	{
-		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, id);
-		if(dirty)
-		{
-			update_attachment(dirty);
-			dirty = 0;
-		}
-		if(width && height)
-			glViewport(0, 0, width, height);
-	}
-}
-
-const Framebuffer *Framebuffer::current()
-{	
-	if(!cur_obj)
-		cur_obj = &system();
-	return cur_obj;
-}
-
-void Framebuffer::unbind()
-{
-	system().bind();
-}
-
-Framebuffer &Framebuffer::system()
-{
-	static Framebuffer sys_framebuf(0);
-	return sys_framebuf;
-}
-
-unsigned Framebuffer::get_attachment_index(FramebufferAttachment attch)
-{
-	for(unsigned i=0; i<attachments.size(); ++i)
-		if(attachments[i].attachment==attch)
-			return i;
-	attachments.push_back(Attachment(attch));
-	return attachments.size()-1;
-}
-
-
-Framebuffer::Attachment::Attachment(FramebufferAttachment a):
-	attachment(a),
-	type(0),
-	level(0)
-{ }
-
-void Framebuffer::Attachment::set(Renderbuffer &r)
-{
-	type = GL_RENDERBUFFER_EXT;
-	rbuf = &r;
-	level = 0;
-}
-
-void Framebuffer::Attachment::set(Texture &t, unsigned l)
-{
-	type = t.get_target();
-	tex = &t;
-	level = l;
-}
-
-void Framebuffer::Attachment::clear()
-{
-	type = 0;
-}
-
-} // namespace GL
-} // namespace Msp