Support layered framebuffer attachments

[libs/gl.git] / source / core / framebuffer.cpp

diff --git a/source/core/framebuffer.cpp b/source/core/framebuffer.cpp
index c90d6a70670b4560155d6a84f86d613a9565b193..810f0cf1c2675da6741648568408d221412d7c77 100644 (file)
--- a/source/core/framebuffer.cpp
+++ b/source/core/framebuffer.cpp
@@ -121,13 +121,15 @@ void Framebuffer::update_attachment(unsigned mask) const
                        {
                                if(ARB_direct_state_access)
                                {
-                                       if(attch.type==GL_TEXTURE_2D)
+                                       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.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 if(attch.type==GL_TEXTURE_3D)
@@ -251,6 +253,20 @@ void Framebuffer::attach(FramebufferAttachment attch, TextureCube &tex, TextureC
        set_texture_attachment(attch, tex, level, TextureCube::get_face_index(face));
 }
 
+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)
 {
        if(!id)
@@ -399,7 +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;