WIP: SDL/OpenGL renderer. Make mvedecode use renderer for playback.

render/ProgramProvider.hh

@@ -0,0 +1,41 @@
+#ifndef WC3RE_RENDER_PROGRAMPROVIDER_HH__
+#define WC3RE_RENDER_PROGRAMPROVIDER_HH__
+
+#include <unordered_map>
+
+#include "Singleton.hh"
+#include "GlResource.hh"
+namespace render {
+  using ProgramProviderKeyType = std::tuple<std::string, std::string>;
+}
+
+namespace std
+{
+  template<>
+  struct hash<render::ProgramProviderKeyType> {
+    typedef render::ProgramProviderKeyType argument_type;
+    typedef std::size_t result_type;
+ 
+    result_type operator()(argument_type const& s) const {
+      const result_type h1{std::hash<std::string>()(std::get<0>(s))};
+      const result_type h2{std::hash<std::string>()(std::get<1>(s))};
+      return h1 ^ h2;
+    }
+  };
+}
+
+namespace render {
+  class ProgramProvider : public Singleton<ProgramProvider> {
+  private:
+    ProgramProvider();
+    friend class Singleton<ProgramProvider>;
+
+  public:
+    gl::GLuint getProgram(std::string const& vertexShader, std::string const& fragShader);
+
+  private:
+    std::unordered_map<ProgramProviderKeyType, ProgramResource> programCache_;
+  };
+}
+
+#endif