render: store underlying DmaBufs in textures

src/gfx_apis/gl/renderer/framebuffer.rs

@@ -120,6 +120,6 @@ impl GfxFramebuffer for Framebuffer {
     }
 
     fn format(&self) -> &'static Format {
-        self.gl.rb.img.format
+        self.gl.rb.img.dmabuf.format
     }
 }

src/gfx_apis/gl/renderer/image.rs

@@ -17,11 +17,11 @@ pub struct Image {
 
 impl Image {
     pub fn width(&self) -> i32 {
-        self.gl.width
+        self.gl.dmabuf.width
     }
 
     pub fn height(&self) -> i32 {
-        self.gl.height
+        self.gl.dmabuf.height
     }
 
     fn to_texture(self: &Rc<Self>) -> Result<Rc<Texture>, RenderError> {

src/gfx_apis/gl/renderer/texture.rs

@@ -3,6 +3,7 @@ use {
         format::Format,
         gfx_api::{GfxError, GfxTexture},
         gfx_apis::gl::{gl::texture::GlTexture, renderer::context::GlRenderContext, RenderError},
+        video::dmabuf::DmaBuf,
     },
     std::{
         any::Any,
@@ -58,4 +59,8 @@ impl GfxTexture for Texture {
     ) -> Result<(), GfxError> {
         Err(RenderError::UnsupportedOperation.into())
     }
+
+    fn dmabuf(&self) -> Option<&DmaBuf> {
+        self.gl.img.as_ref().map(|i| &i.dmabuf)
+    }
 }