X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fframebuffer.cpp;h=810f0cf1c2675da6741648568408d221412d7c77;hb=87b74b1263710b0acb9e0b72283e972fd54ee91b;hp=c90bb22469da6b7633ac405d1dc2884d85ef61aa;hpb=7aaec9a70b8d7733429bec043f8e33e02956f266;p=libs%2Fgl.git

diff --git a/source/core/framebuffer.cpp b/source/core/framebuffer.cpp
index c90bb224..810f0cf1 100644
--- a/source/core/framebuffer.cpp
+++ b/source/core/framebuffer.cpp
@@ -103,7 +103,7 @@ void Framebuffer::update_attachment(unsigned mask) const
 		return;
 	}
 
-	std::vector<GLenum> color_bufs;
+	vector<GLenum> color_bufs;
 	color_bufs.reserve(attachments.size());
 	for(unsigned i=0; i<attachments.size(); ++i)
 	{
@@ -117,30 +117,24 @@ void Framebuffer::update_attachment(unsigned mask) const
 				else
 					glFramebufferRenderbuffer(GL_FRAMEBUFFER, attch.attachment, GL_RENDERBUFFER, attch.rbuf->get_id());
 			}
-			else if(attch.type==GL_TEXTURE_2D)
+			else if(attch.type)
 			{
-				static_cast<Texture2D *>(attch.tex)->allocate(attch.level);
 				if(ARB_direct_state_access)
-					glNamedFramebufferTexture(id, attch.attachment, attch.tex->get_id(), attch.level);
-				else
+				{
+					if(attch.type==GL_TEXTURE_2D || attch.layer<0)
+						glNamedFramebufferTexture(id, attch.attachment, attch.tex->get_id(), attch.level);
+					else
+						glNamedFramebufferTextureLayer(id, attch.attachment, attch.tex->get_id(), attch.level, attch.layer);
+				}
+				else if(attch.type==GL_TEXTURE_2D)
 					glFramebufferTexture2D(GL_FRAMEBUFFER, attch.attachment, attch.type, attch.tex->get_id(), attch.level);
-			}
-			else if(attch.type==GL_TEXTURE_3D || attch.type==GL_TEXTURE_2D_ARRAY)
-			{
-				static_cast<Texture3D *>(attch.tex)->allocate(attch.level);
-				if(ARB_direct_state_access)
-					glNamedFramebufferTextureLayer(id, attch.attachment, attch.tex->get_id(), attch.level, attch.layer);
+				else if(attch.layer<0)
+					glFramebufferTexture(GL_FRAMEBUFFER, attch.attachment, attch.tex->get_id(), attch.level);
 				else if(attch.type==GL_TEXTURE_2D_ARRAY)
 					glFramebufferTextureLayer(GL_FRAMEBUFFER, attch.attachment, attch.tex->get_id(), attch.level, attch.layer);
-				else
+				else if(attch.type==GL_TEXTURE_3D)
 					glFramebufferTexture3D(GL_FRAMEBUFFER, attch.attachment, attch.type, attch.tex->get_id(), attch.level, attch.layer);
-			}
-			else if(attch.type==GL_TEXTURE_CUBE_MAP)
-			{
-				static_cast<TextureCube *>(attch.tex)->allocate(attch.level);
-				if(ARB_direct_state_access)
-					glNamedFramebufferTextureLayer(id, attch.attachment, attch.tex->get_id(), attch.level, attch.layer);
-				else
+				else if(attch.type==GL_TEXTURE_CUBE_MAP)
 					glFramebufferTexture2D(GL_FRAMEBUFFER, attch.attachment, TextureCube::enumerate_faces(attch.layer), attch.tex->get_id(), attch.level);
 			}
 			else if(ARB_direct_state_access)
@@ -219,48 +213,58 @@ unsigned Framebuffer::get_attachment_index(FramebufferAttachment attch)
 	return attachments.size()-1;
 }
 
-void Framebuffer::attach(FramebufferAttachment attch, Renderbuffer &rbuf)
+void Framebuffer::set_texture_attachment(FramebufferAttachment attch, Texture &tex, unsigned level, int layer)
 {
 	if(!id)
 		throw invalid_operation("Framebuffer::attach");
 
 	unsigned i = get_attachment_index(attch);
-	attachments[i].set(rbuf);
+	attachments[i].set(tex, level, layer);
 	update_attachment(1<<i);
 	check_size();
 }
 
-void Framebuffer::attach(FramebufferAttachment attch, Texture2D &tex, unsigned level)
+void Framebuffer::attach(FramebufferAttachment attch, Renderbuffer &rbuf)
 {
 	if(!id)
 		throw invalid_operation("Framebuffer::attach");
 
 	unsigned i = get_attachment_index(attch);
-	attachments[i].set(tex, level, 0);
+	attachments[i].set(rbuf);
 	update_attachment(1<<i);
 	check_size();
 }
 
-void Framebuffer::attach(FramebufferAttachment attch, Texture3D &tex, unsigned layer, unsigned level)
+void Framebuffer::attach(FramebufferAttachment attch, Texture2D &tex, unsigned level)
 {
-	if(!id)
-		throw invalid_operation("Framebuffer::attach");
+	tex.allocate(level);
+	set_texture_attachment(attch, tex, level, 0);
+}
 
-	unsigned i = get_attachment_index(attch);
-	attachments[i].set(tex, level, layer);
-	update_attachment(1<<i);
-	check_size();
+void Framebuffer::attach(FramebufferAttachment attch, Texture3D &tex, unsigned layer, unsigned level)
+{
+	tex.allocate(level);
+	set_texture_attachment(attch, tex, level, layer);
 }
 
 void Framebuffer::attach(FramebufferAttachment attch, TextureCube &tex, TextureCubeFace face, unsigned level)
 {
-	if(!id)
-		throw invalid_operation("Framebuffer::attach");
+	tex.allocate(level);
+	set_texture_attachment(attch, tex, level, TextureCube::get_face_index(face));
+}
 
-	unsigned i = get_attachment_index(attch);
-	attachments[i].set(tex, level, TextureCube::get_face_index(face));
-	update_attachment(1<<i);
-	check_size();
+void Framebuffer::attach_layered(FramebufferAttachment attch, Texture3D &tex, unsigned level)
+{
+	static Require _req(ARB_geometry_shader4);
+	tex.allocate(level);
+	set_texture_attachment(attch, tex, level, -1);
+}
+
+void Framebuffer::attach_layered(FramebufferAttachment attch, TextureCube &tex, unsigned level)
+{
+	static Require _req(ARB_geometry_shader4);
+	tex.allocate(level);
+	set_texture_attachment(attch, tex, level, -1);
 }
 
 void Framebuffer::detach(FramebufferAttachment attch)
@@ -411,7 +415,7 @@ void Framebuffer::Attachment::set(Renderbuffer &r)
 	layer = 0;
 }
 
-void Framebuffer::Attachment::set(Texture &t, unsigned l, unsigned z)
+void Framebuffer::Attachment::set(Texture &t, unsigned l, int z)
 {
 	type = t.get_target();
 	tex = &t;