1 files changed, 7 insertions, 0 deletions

diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.h b/src/video_core/renderer_opengl/gl_buffer_cache.h
index 6c18461f4..965976334 100644
--- a/src/video_core/renderer_opengl/gl_buffer_cache.h
+++ b/src/video_core/renderer_opengl/gl_buffer_cache.h
@@ -6,6 +6,7 @@
 
 #include <cstddef>
 #include <memory>
+#include <tuple>
 
 #include "common/common_types.h"
 #include "video_core/rasterizer_cache.h"
@@ -33,11 +34,17 @@ class OGLBufferCache final : public RasterizerCache<std::shared_ptr<CachedBuffer
 public:
     explicit OGLBufferCache(std::size_t size);
 
+    /// Uploads data from a guest GPU address. Returns host's buffer offset where it's been
+    /// allocated.
     GLintptr UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4,
                           bool cache = true);
 
+    /// Uploads from a host memory. Returns host's buffer offset where it's been allocated.
     GLintptr UploadHostMemory(const void* raw_pointer, std::size_t size, std::size_t alignment = 4);
 
+    /// Reserves memory to be used by host's CPU. Returns mapped address and offset.
+    std::tuple<u8*, GLintptr> ReserveMemory(std::size_t size, std::size_t alignment = 4);
+
     void Map(std::size_t max_size);
     void Unmap();