nx2:vi2: crop presents to their frame size and honour RGB10A2 images

Present word 7 holds the size of the frame drawn into the image's
top-left corner, and image preference word 6 its format (1 RGBA8,
4 RGB10A2). Fire Emblem: Fortune's Weave draws 1280x720 RGB10A2 frames
into 3840x2160 images; showing the whole image as RGBA8 gave a corner
of wrongly decoded pixels.

Assisted-by: Claude Opus 5.5 (debugging, porting and drafting)
Signed-off-by: duck912 <350528965+Duck912@users.noreply.github.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/video_core/renderer_vulkan/present/layer.cpp b/src/video_core/renderer_vulkan/present/layer.cpp
index fa24c02f6d..5652090bd7 100644
--- a/src/video_core/renderer_vulkan/present/layer.cpp
+++ b/src/video_core/renderer_vulkan/present/layer.cpp
@@ -52,6 +52,8 @@ VkFormat GetFormat(const Tegra::FramebufferConfig& framebuffer) {
         return VK_FORMAT_R5G6B5_UNORM_PACK16;
     case Service::android::PixelFormat::Bgra8888:
         return VK_FORMAT_B8G8R8A8_UNORM;
+    case Service::android::PixelFormat::Rgba1010102:
+        return VK_FORMAT_A2B10G10R10_UNORM_PACK32;
     default:
         UNIMPLEMENTED_MSG("Unknown framebuffer pixel format: {}",
                           static_cast<u32>(framebuffer.pixel_format));