X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbackends%2Fopengl%2Ftexture2d_backend.cpp;h=72962117bc9967d98228735063b5189e10368dfd;hp=578cefe390f0a2ec2bfa4bdb15e73426fef43822;hb=f73e671dcb36c097647cddbf5b1eaaad2ffc9299;hpb=9e63512930bc7dace6dc169c65161961e5dcfcf6

diff --git a/source/backends/opengl/texture2d_backend.cpp b/source/backends/opengl/texture2d_backend.cpp
index 578cefe3..72962117 100644
--- a/source/backends/opengl/texture2d_backend.cpp
+++ b/source/backends/opengl/texture2d_backend.cpp
@@ -95,11 +95,18 @@ void OpenGLTexture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsig
 	glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
 }
 
-Resource::AsyncLoader *OpenGLTexture2D::create_async_loader(IO::Seekable &io)
+Resource::AsyncLoader *OpenGLTexture2D::load(IO::Seekable &io, const Resources *)
 {
 	return new AsyncLoader(static_cast<Texture2D &>(*this), io);
 }
 
+uint64_t OpenGLTexture2D::get_data_size() const
+{
+	unsigned width = static_cast<const Texture2D *>(this)->width;
+	unsigned height = static_cast<const Texture2D *>(this)->height;
+	return id ? width*height*get_pixel_size(format) : 0;
+}
+
 void OpenGLTexture2D::unload()
 {
 	glDeleteTextures(1, &id);