Add missing files

src/modules/graphics/opengl/PixelEffect.h

@@ -0,0 +1,53 @@
+#ifndef LOVE_GRAPHICS_EFFECT_H
+#define LOVE_GRAPHICS_EFFECT_H
+
+#include <common/Object.h>
+#include <string>
+#include <map>
+#include "Image.h"
+#include "Framebuffer.h"
+
+namespace love
+{
+namespace graphics
+{
+namespace opengl
+{
+	// A fragment shader
+	class PixelEffect : public Volatile // Volatile?
+	{
+	public:
+		PixelEffect(const std::string& code);
+		virtual ~PixelEffect();
+		std::string getWarnings() const;
+
+		virtual bool loadVolatile();
+		virtual void unloadVolatile();
+
+		void attach();
+		static void detach();
+		static bool isSupported();
+
+		void sendFloat(const std::string& name, int count, const GLfloat* vec);
+		void sendMatrix(const std::string& name, int size, const GLfloat* m);
+		void sendImage(const std::string& name, const Image& image);
+		void sendFramebuffer(const std::string& name, const Framebuffer& fb);
+
+	private:
+		GLint getUniformLocation(const std::string& name);
+		void checkSetUniformError();
+		GLuint _program;
+		std::string _code; // volatile and stuff
+
+		// texture unit pool for setting images
+		static std::map<std::string, GLint> _texture_unit_pool;
+		static GLint _current_texture_unit;
+		static GLint _max_texture_units;
+		static GLint getTextureUnit(const std::string& name);
+	};
+
+} // opengl
+} // graphics
+} // love
+
+#endif // LOVE_GRAPHICS_EFFECT_H