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Diffstat (limited to 'src/SFML/Graphics/Renderer.hpp')
| -rwxr-xr-x | src/SFML/Graphics/Renderer.hpp | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/SFML/Graphics/Renderer.hpp b/src/SFML/Graphics/Renderer.hpp new file mode 100755 index 0000000..f0f9dcf --- /dev/null +++ b/src/SFML/Graphics/Renderer.hpp @@ -0,0 +1,182 @@ +////////////////////////////////////////////////////////////
+//
+// SFML - Simple and Fast Multimedia Library
+// Copyright (C) 2007-2008 Laurent Gomila (laurent.gom@gmail.com)
+//
+// This software is provided 'as-is', without any express or implied warranty.
+// In no event will the authors be held liable for any damages arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it freely,
+// subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented;
+// you must not claim that you wrote the original software.
+// If you use this software in a product, an acknowledgment
+// in the product documentation would be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such,
+// and must not be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source distribution.
+//
+////////////////////////////////////////////////////////////
+
+#ifndef SFML_RENDERER_HPP
+#define SFML_RENDERER_HPP
+
+////////////////////////////////////////////////////////////
+// Headers
+////////////////////////////////////////////////////////////
+#include <SFML/Config.hpp>
+#include <SFML/Graphics/GLEW/glew.h>
+#include <iostream>
+#include <set>
+#include <string>
+
+
+namespace sf
+{
+class VideoResource;
+
+////////////////////////////////////////////////////////////
+/// Abstract base class for renderers
+////////////////////////////////////////////////////////////
+class Renderer
+{
+public :
+
+ ////////////////////////////////////////////////////////////
+ /// Default constructor
+ ///
+ ////////////////////////////////////////////////////////////
+ Renderer();
+
+ ////////////////////////////////////////////////////////////
+ /// Virtual destructor
+ ///
+ ////////////////////////////////////////////////////////////
+ virtual ~Renderer();
+
+private :
+
+ friend class VideoResource;
+
+ ////////////////////////////////////////////////////////////
+ /// Add a video resource
+ ///
+ /// \param Resource : Resource to add
+ ///
+ ////////////////////////////////////////////////////////////
+ void AddVideoResource(VideoResource* Resource);
+
+ ////////////////////////////////////////////////////////////
+ /// Remove a video resource
+ ///
+ /// \param Resource : Resource to remove
+ ///
+ ////////////////////////////////////////////////////////////
+ void RemoveVideoResource(VideoResource* Resource);
+
+ ////////////////////////////////////////////////////////////
+ // Member data
+ ////////////////////////////////////////////////////////////
+ std::set<VideoResource*> myResources; ///< List of active video resources
+};
+
+////////////////////////////////////////////////////////////
+/// Get the global instance of the renderer
+///
+/// \return Reference to the renderer instance
+///
+////////////////////////////////////////////////////////////
+Renderer& GetRenderer();
+
+////////////////////////////////////////////////////////////
+/// Let's define a macro to quickly check every OpenGL
+/// API calls
+////////////////////////////////////////////////////////////
+#ifdef SFML_DEBUG
+
+ // In debug mode, perform a test on every OpenGL call
+ #define GLCheck(Func) ((Func), GLCheckError(__FILE__, __LINE__))
+
+#else
+
+ // Else, we don't add any overhead
+ #define GLCheck(Func) (Func)
+
+#endif
+
+
+////////////////////////////////////////////////////////////
+/// Check the last OpenGL error
+///
+////////////////////////////////////////////////////////////
+inline void GLCheckError(const std::string& File, unsigned int Line)
+{
+ // Get the last error
+ GLenum ErrorCode = glGetError();
+
+ if (ErrorCode != GL_NO_ERROR)
+ {
+ std::string Error, Desc;
+
+ // Decode the error code
+ switch (ErrorCode)
+ {
+ case GL_INVALID_ENUM :
+ {
+ Error = "GL_INVALID_ENUM";
+ Desc = "an unacceptable value has been specified for an enumerated argument";
+ break;
+ }
+
+ case GL_INVALID_VALUE :
+ {
+ Error = "GL_INVALID_VALUE";
+ Desc = "a numeric argument is out of range";
+ break;
+ }
+
+ case GL_INVALID_OPERATION :
+ {
+ Error = "GL_INVALID_OPERATION";
+ Desc = "the specified operation is not allowed in the current state";
+ break;
+ }
+
+ case GL_STACK_OVERFLOW :
+ {
+ Error = "GL_STACK_OVERFLOW";
+ Desc = "this command would cause a stack overflow";
+ break;
+ }
+
+ case GL_STACK_UNDERFLOW :
+ {
+ Error = "GL_STACK_UNDERFLOW";
+ Desc = "this command would cause a stack underflow";
+ break;
+ }
+
+ case GL_OUT_OF_MEMORY :
+ {
+ Error = "GL_OUT_OF_MEMORY";
+ Desc = "there is not enough memory left to execute the command";
+ break;
+ }
+ }
+
+ // Log the error
+ std::cerr << "An internal OpenGL call failed in "
+ << File.substr(File.find_last_of("\\/") + 1) << " (" << Line << ") : "
+ << Error << ", " << Desc
+ << std::endl;
+ }
+}
+
+} // namespace sf
+
+
+#endif // SFML_RENDERER_HPP
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