[GPU] TextureInfo::GetMaxMipLevels

2018-04-30 11:01:46 -05:00
parent 62bee78edd
commit f7c7cc54ed
2 changed files with 7 additions and 0 deletions
--- a/src/xenia/gpu/texture_info.cc
+++ b/src/xenia/gpu/texture_info.cc
@@ -204,6 +204,11 @@ void TextureInfo::CalculateTextureSizesCube(uint32_t width, uint32_t height,
  input_length = size_cube.input_face_length * 6;
 }

+uint32_t TextureInfo::GetMaxMipLevels(uint32_t width, uint32_t height,
+                                      uint32_t depth) {
+  return 1 + xe::log2_floor(std::max({width, height, depth}));
+}
+
 bool TextureInfo::GetPackedTileOffset(const TextureInfo& texture_info,
                                      uint32_t* out_offset_x,
                                      uint32_t* out_offset_y) {