screencapture: implement ext_image_copy_capture_manager_v1

src/gfx_apis/gl/gl/render_buffer.rs

@@ -21,6 +21,7 @@ pub struct GlRenderBuffer {
     pub ctx: Rc<EglContext>,
     pub width: i32,
     pub height: i32,
+    pub stride: i32,
     pub format: &'static Format,
     rbo: GLuint,
 }
@@ -30,6 +31,7 @@ impl GlRenderBuffer {
         ctx: &Rc<EglContext>,
         width: i32,
         height: i32,
+        stride: i32,
         format: &'static Format,
     ) -> Result<Rc<GlRenderBuffer>, RenderError> {
         let Some(shm_info) = &format.shm_info else {
@@ -46,6 +48,7 @@ impl GlRenderBuffer {
             ctx: ctx.clone(),
             width,
             height,
+            stride,
             format,
             rbo,
         }))
@@ -71,6 +74,7 @@ impl GlRenderBuffer {
             ctx: ctx.clone(),
             width: img.dmabuf.width,
             height: img.dmabuf.height,
+            stride: 0,
             format: img.dmabuf.format,
             rbo,
         }))

src/gfx_apis/gl/renderer/context.rs

@@ -321,11 +321,11 @@ impl GfxContext for GlRenderContext {
         _cpu_worker: &Rc<CpuWorker>,
         width: i32,
         height: i32,
-        _stride: i32,
+        stride: i32,
         format: &'static Format,
     ) -> Result<Rc<dyn GfxInternalFramebuffer>, GfxError> {
         let fb = self.ctx.with_current(|| unsafe {
-            GlRenderBuffer::new(&self.ctx, width, height, format)?.create_framebuffer()
+            GlRenderBuffer::new(&self.ctx, width, height, stride, format)?.create_framebuffer()
         })?;
         Ok(Rc::new(Framebuffer { ctx: self, gl: fb }))
     }

src/gfx_apis/gl/renderer/framebuffer.rs

@@ -119,6 +119,10 @@ impl GfxInternalFramebuffer for Framebuffer {
         self
     }
 
+    fn stride(&self) -> i32 {
+        self.gl.rb.stride
+    }
+
     fn staging_size(&self) -> usize {
         0
     }

src/gfx_apis/vulkan/image.rs

@@ -520,6 +520,13 @@ impl GfxInternalFramebuffer for VulkanImage {
         self
     }
 
+    fn stride(&self) -> i32 {
+        let VulkanImageMemory::Internal(shm) = &self.ty else {
+            unreachable!();
+        };
+        shm.stride as _
+    }
+
     fn staging_size(&self) -> usize {
         let VulkanImageMemory::Internal(shm) = &self.ty else {
             unreachable!();