Reaper: Address Feedback.

2021-06-14 13:42:22 +02:00
parent 954ad2a61e
commit 0dd98842bf
6 changed files with 43 additions and 20 deletions
--- a/src/video_core/surface.cpp
+++ b/src/video_core/surface.cpp
@@ -283,4 +283,11 @@ std::pair<u32, u32> GetASTCBlockSize(PixelFormat format) {
    return {DefaultBlockWidth(format), DefaultBlockHeight(format)};
 }

+u64 EstimatedDecompressedSize(u64 base_size, PixelFormat format) {
+    constexpr u64 RGBA8_PIXEL_SIZE = 4;
+    const u64 base_block_size = static_cast<u64>(DefaultBlockWidth(format)) *
+                                static_cast<u64>(DefaultBlockHeight(format)) * RGBA8_PIXEL_SIZE;
+    return (base_size * base_block_size) / BytesPerBlock(format);
+}
+
 } // namespace VideoCore::Surface