nvnflinger/gpu: implement applet capture

src/video_core/capture.h

@@ -0,0 +1,36 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/alignment.h"
+#include "common/bit_util.h"
+#include "common/common_types.h"
+#include "core/frontend/framebuffer_layout.h"
+#include "video_core/surface.h"
+
+namespace VideoCore::Capture {
+
+constexpr u32 BlockHeight = 4;
+constexpr u32 BlockDepth = 0;
+constexpr u32 BppLog2 = 2;
+
+constexpr auto PixelFormat = Surface::PixelFormat::B8G8R8A8_UNORM;
+
+constexpr auto LinearWidth = Layout::ScreenUndocked::Width;
+constexpr auto LinearHeight = Layout::ScreenUndocked::Height;
+constexpr auto LinearDepth = 1U;
+constexpr auto BytesPerPixel = 4U;
+
+constexpr auto TiledWidth = LinearWidth;
+constexpr auto TiledHeight = Common::AlignUpLog2(LinearHeight, BlockHeight + BlockDepth + BppLog2);
+constexpr auto TiledSize = TiledWidth * TiledHeight * (1 << BppLog2);
+
+constexpr Layout::FramebufferLayout Layout{
+    .width = LinearWidth,
+    .height = LinearHeight,
+    .screen = {0, 0, LinearWidth, LinearHeight},
+    .is_srgb = false,
+};
+
+} // namespace VideoCore::Capture