X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture3d.cpp;h=7b9c3590ef6bc7eb8e936e20816c36549bbdec2c;hb=fbd600202a0d935381132f24c8dafa7b6093b596;hp=3846ef1c1294e18d78b183e4208366648c76a46f;hpb=f33a98b1a044c8ac7b12778cbca6c4a124875e4a;p=libs%2Fgl.git

diff --git a/source/texture3d.cpp b/source/texture3d.cpp
index 3846ef1c..7b9c3590 100644
--- a/source/texture3d.cpp
+++ b/source/texture3d.cpp
@@ -13,6 +13,7 @@ namespace GL {
 
 Texture3D::Texture3D():
 	Texture(GL_TEXTURE_3D),
+	ifmt(RGB),
 	width(0),
 	height(0),
 	depth(0),
@@ -59,6 +60,7 @@ void Texture3D::image(unsigned level, PixelFormat fmt, DataType type, const void
 	allocated |= 1<<level;
 	if(gen_mipmap && level==0)
 	{
+		auto_generate_mipmap();
 		for(; (w || h || d); w>>=1, h>>=1, d>>=1, ++level) ;
 		allocated |= (1<<level)-1;
 	}
@@ -135,5 +137,10 @@ void Texture3D::get_level_size(unsigned level, unsigned &w, unsigned &h, unsigne
 		d = 1;
 }
 
+UInt64 Texture3D::get_data_size() const
+{
+	return id ? width*height*depth*get_pixel_size(ifmt) : 0;
+}
+
 } // namespace GL
 } // namespace Msp