2 files changed, 30 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.cpp b/src/video_core/renderer_opengl/gl_buffer_cache.cpp
index d4dd10bb6..45db72e6f 100644
--- a/src/video_core/renderer_opengl/gl_buffer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_buffer_cache.cpp
@@ -135,6 +135,24 @@ BufferCacheRuntime::BufferCacheRuntime(const Device& device_)
         buffer.Create();
         glNamedBufferData(buffer.handle, 0x10'000, nullptr, GL_STREAM_COPY);
     }
+
+    device_access_memory = []() -> u64 {
+        if (GLAD_GL_NVX_gpu_memory_info) {
+            GLint cur_avail_mem_kb = 0;
+            glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &cur_avail_mem_kb);
+            return static_cast<u64>(cur_avail_mem_kb) * 1_KiB;
+        }
+        return 2_GiB; // Return minimum requirements
+    }();
+}
+
+u64 BufferCacheRuntime::GetDeviceMemoryUsage() const {
+    if (GLAD_GL_NVX_gpu_memory_info) {
+        GLint cur_avail_mem_kb = 0;
+        glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &cur_avail_mem_kb);
+        return static_cast<u64>(cur_avail_mem_kb) * 1_KiB;
+    }
+    return 2_GiB;
 }
 
 void BufferCacheRuntime::CopyBuffer(Buffer& dst_buffer, Buffer& src_buffer,
diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.h b/src/video_core/renderer_opengl/gl_buffer_cache.h
index 7287731b6..86a265fee 100644
--- a/src/video_core/renderer_opengl/gl_buffer_cache.h
+++ b/src/video_core/renderer_opengl/gl_buffer_cache.h
@@ -151,6 +151,16 @@ public:
         use_storage_buffers = use_storage_buffers_;
     }
 
+    u64 GetDeviceLocalMemory() const {
+        return device_access_memory;
+    }
+
+    u64 GetDeviceMemoryUsage() const;
+
+    bool CanReportMemoryUsage() const {
+        return GLAD_GL_NVX_gpu_memory_info;
+    }
+
 private:
     static constexpr std::array PABO_LUT{
         GL_VERTEX_PROGRAM_PARAMETER_BUFFER_NV,          GL_TESS_CONTROL_PROGRAM_PARAMETER_BUFFER_NV,
@@ -184,6 +194,8 @@ private:
     std::array<OGLBuffer, VideoCommon::NUM_COMPUTE_UNIFORM_BUFFERS> copy_compute_uniforms;
 
     u32 index_buffer_offset = 0;
+
+    u64 device_access_memory;
 };
 
 struct BufferCacheParams {