Flutter Impeller
workarounds_vk.h
Go to the documentation of this file.
1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_WORKAROUNDS_VK_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_WORKAROUNDS_VK_H_
7 
9 
10 namespace impeller {
11 
12 /// A non-exhaustive set of driver specific workarounds.
13 struct WorkaroundsVK {
14  // Adreno GPUs exhibit terrible performance when primitive
15  // restart is used. This was confirmed up to Adreno 640 (Pixel 4).
16  // Because this feature is fairly marginal, we disable it for _all_
17  // Adreno GPUs until we have an upper bound for this bug.
19 
20  /// Early 600 series Adreno drivers would deadlock if a command
21  /// buffer submission had too much work attached to it, this
22  /// requires the renderer to split up command buffers that could
23  /// be logically combined.
25 
26  /// On older 600 Series Adreno the input attachment / self dependency
27  /// cycle for programmable blending is broken.
28  ///
29  /// Also broken on newer PowerVR.
31 
32  /// Almost all Adreno series GPU (from 600 up to 800) have problems
33  /// generating mipmaps, resulting in corruption of the mip levels.
34  /// See:
35  /// * https://github.com/flutter/flutter/issues/160441
36  /// * https://github.com/flutter/flutter/issues/159876
37  /// * https://github.com/flutter/flutter/issues/160587
39 };
40 
42 
43 } // namespace impeller
44 
45 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_WORKAROUNDS_VK_H_
Get information about the Vulkan driver.
WorkaroundsVK GetWorkaroundsFromDriverInfo(DriverInfoVK &driver_info)
A non-exhaustive set of driver specific workarounds.
bool input_attachment_self_dependency_broken