[PICA] Texture cache v0.1

include/renderer_gl/renderer_gl.hpp

@@ -4,6 +4,7 @@
 #include "logger.hpp"
 #include "opengl.hpp"
 #include "surface_cache.hpp"
+#include "textures.hpp"
 
 // More circular dependencies!
 class GPU;
@@ -25,6 +26,8 @@ class Renderer {
 
 	SurfaceCache<DepthBuffer, 10> depthBufferCache;
 	SurfaceCache<ColourBuffer, 10> colourBufferCache;
+	SurfaceCache<Texture, 16> textureCache;
+
 	OpenGL::uvec2 fbSize; // The size of the framebuffer (ie both the colour and depth buffer)'
 
 	u32 colourBufferLoc; // Location in 3DS VRAM for the colour buffer

include/renderer_gl/surface_cache.hpp

@@ -2,6 +2,7 @@
 #include <functional>
 #include <optional>
 #include "surfaces.hpp"
+#include "textures.hpp"
 
 // Surface cache class that can fit "capacity" instances of the "SurfaceType" class of surfaces
 // SurfaceType *must* have all of the following
@@ -16,8 +17,8 @@ template <typename SurfaceType, size_t capacity>
 class SurfaceCache {
     // Vanilla std::optional can't hold actual references
     using OptionalRef = std::optional<std::reference_wrapper<SurfaceType>>;
-    static_assert(std::is_same<SurfaceType, ColourBuffer>() || std::is_same<SurfaceType, DepthBuffer>(),
+    static_assert(std::is_same<SurfaceType, ColourBuffer>() || std::is_same<SurfaceType, DepthBuffer>()  ||
-        "Invalid surface type");
+        std::is_same<SurfaceType, Texture>(), "Invalid surface type");
 
     size_t size;
     std::array<SurfaceType, capacity> buffer;