Move the Resource function override of Texture classes into backend

[libs/gl.git] / source / backends / opengl / texture2d_backend.cpp

diff --git a/source/backends/opengl/texture2d_backend.cpp b/source/backends/opengl/texture2d_backend.cpp
index 578cefe390f0a2ec2bfa4bdb15e73426fef43822..72962117bc9967d98228735063b5189e10368dfd 100644 (file)
--- 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);