X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fframebuffer.cpp;h=c7bfcd5a5808120088bb72cc2c9a589742186b66;hp=638a710f464431cd7a708434e1fa980157d9b009;hb=751c171a97a67f3c2077e120492746babde1d43c;hpb=08e19bc2b4eba572bc7699378cf55cd8772ac67e

diff --git a/source/framebuffer.cpp b/source/framebuffer.cpp
index 638a710f..c7bfcd5a 100644
--- a/source/framebuffer.cpp
+++ b/source/framebuffer.cpp
@@ -2,12 +2,14 @@
 #include <msp/gl/extensions/arb_direct_state_access.h>
 #include <msp/gl/extensions/ext_framebuffer_blit.h>
 #include <msp/gl/extensions/ext_framebuffer_object.h>
+#include <msp/gl/extensions/ext_texture_array.h>
 #include <msp/gl/extensions/msp_draw_buffer.h>
 #include "error.h"
 #include "framebuffer.h"
 #include "misc.h"
 #include "renderbuffer.h"
 #include "texture2d.h"
+#include "texture3d.h"
 
 using namespace std;
 
@@ -113,6 +115,16 @@ void Framebuffer::update_attachment(unsigned mask) const
 				else
 					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.type==GL_TEXTURE_2D_ARRAY)
+					glFramebufferTextureLayer(GL_FRAMEBUFFER, attch.attachment, attch.tex->get_id(), attch.level, attch.layer);
+				else
+					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);
@@ -168,12 +180,18 @@ void Framebuffer::check_size()
 			else if(i->type==GL_TEXTURE_2D)
 			{
 				Texture2D *tex = static_cast<Texture2D *>(i->tex);
-				width = tex->get_width();
-				height = tex->get_height();
+				width = max(tex->get_width()>>i->level, 1U);
+				height = max(tex->get_height()>>i->level, 1U);
+			}
+			else if(i->type==GL_TEXTURE_3D || i->type==GL_TEXTURE_2D_ARRAY)
+			{
+				Texture3D *tex = static_cast<Texture3D *>(i->tex);
+				width = max(tex->get_width()>>i->level, 1U);
+				height = max(tex->get_height()>>i->level, 1U);
 			}
 			else if(i->type==GL_TEXTURE_CUBE_MAP)
 			{
-				width = static_cast<TextureCube *>(i->tex)->get_size();
+				width = max(static_cast<TextureCube *>(i->tex)->get_size()>>i->level, 1U);
 				height = width;
 			}
 			if(full_viewport)
@@ -213,6 +231,17 @@ void Framebuffer::attach(FramebufferAttachment attch, Texture2D &tex, unsigned l
 	check_size();
 }
 
+void Framebuffer::attach(FramebufferAttachment attch, Texture3D &tex, unsigned layer, unsigned level)
+{
+	if(!id)
+		throw invalid_operation("Framebuffer::attach");
+
+	unsigned i = get_attachment_index(attch);
+	attachments[i].set(tex, level, layer);
+	update_attachment(1<<i);
+	check_size();
+}
+
 void Framebuffer::attach(FramebufferAttachment attch, TextureCube &tex, TextureCubeFace face, unsigned level)
 {
 	if(!id)