Video Backends: Split texture cache code out into separate files, introduce 'AbstractTexture'

Source/Core/VideoBackends/Null/NullTexture.cpp

@@ -0,0 +1,28 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "VideoBackends/Null/NullTexture.h"
+
+namespace Null
+{
+NullTexture::NullTexture(const TextureConfig& tex_config) : AbstractTexture(tex_config)
+{
+}
+
+void NullTexture::Bind(unsigned int stage)
+{
+}
+
+void NullTexture::CopyRectangleFromTexture(const AbstractTexture* source,
+                                           const MathUtil::Rectangle<int>& srcrect,
+                                           const MathUtil::Rectangle<int>& dstrect)
+{
+}
+
+void NullTexture::Load(u32 level, u32 width, u32 height, u32 row_length, const u8* buffer,
+                       size_t buffer_size)
+{
+}
+
+}  // namespace Null