video_core: Silent miscellaneous warnings (#2820)

* texture_cache/surface_params: Remove unused local variable

* rasterizer_interface: Add missing documentation commentary

* maxwell_dma: Remove unused rasterizer reference

* video_core/gpu: Sort member declaration order to silent -Wreorder warning

* fermi_2d: Remove unused MemoryManager reference

* video_core: Silent unused variable warnings

* buffer_cache: Silent -Wreorder warnings

* kepler_memory: Remove unused MemoryManager reference

* gl_texture_cache: Add missing override

* buffer_cache: Add missing include

* shader/decode: Remove unused variables

2 files changed, 5 insertions, 8 deletions

diff --git a/src/video_core/buffer_cache/buffer_block.h b/src/video_core/buffer_cache/buffer_block.h
index d2124443f..4b9193182 100644
--- a/src/video_core/buffer_cache/buffer_block.h
+++ b/src/video_core/buffer_cache/buffer_block.h
@@ -69,7 +69,6 @@ protected:
 private:
     CacheAddr cache_addr{};
     CacheAddr cache_addr_end{};
-    u64 pages{};
     std::size_t size{};
     u64 epoch{};
 };
diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h
index 38ce16ed5..2442ddfd6 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -18,10 +18,7 @@
 #include "video_core/buffer_cache/buffer_block.h"
 #include "video_core/buffer_cache/map_interval.h"
 #include "video_core/memory_manager.h"
-
-namespace VideoCore {
-class RasterizerInterface;
-}
+#include "video_core/rasterizer_interface.h"
 
 namespace VideoCommon {
 
@@ -348,7 +345,6 @@ private:
         const CacheAddr cache_addr_end = cache_addr + size - 1;
         u64 page_start = cache_addr >> block_page_bits;
         const u64 page_end = cache_addr_end >> block_page_bits;
-        const u64 num_pages = page_end - page_start + 1;
         while (page_start <= page_end) {
             auto it = blocks.find(page_start);
             if (it == blocks.end()) {
@@ -417,7 +413,10 @@ private:
         return false;
     }
 
+    VideoCore::RasterizerInterface& rasterizer;
+    Core::System& system;
     std::unique_ptr<StreamBuffer> stream_buffer;
+
     TBufferType stream_buffer_handle{};
 
     bool invalidated = false;
@@ -441,8 +440,7 @@ private:
     std::list<TBuffer> pending_destruction{};
     u64 epoch{};
     u64 modified_ticks{};
-    VideoCore::RasterizerInterface& rasterizer;
-    Core::System& system;
+
     std::recursive_mutex mutex;
 };