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/** OpenGLWindow.hh file for the fluxbox compositor. */
// Copyright (c) 2011 Gediminas Liktaras (gliktaras at gmail dot com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#ifndef FBCOMPOSITOR_XRENDERAUTOWINDOW_HH
#define FBCOMPOSITOR_XRENDERAUTOWINDOW_HH
#include "BaseCompWindow.hh"
#include "Exceptions.hh"
#include "OpenGLUtility.hh"
#include "OpenGLResources.hh"
#include "OpenGLTexPartitioner.hh"
#include <GL/glxew.h>
#include <GL/glx.h>
#include <vector>
namespace FbCompositor {
class InitException;
class OpenGLWindow;
/**
* Manages windows in OpenGL rendering mode.
*/
class OpenGLWindow : public BaseCompWindow {
public :
//--- CONSTRUCTORS AND DESTRUCTORS -------------------------------------
/** Constructor. */
OpenGLWindow(const OpenGLScreen &screen, Window window_xid);
/** Destructor. */
virtual ~OpenGLWindow();
//--- ACCESSORS --------------------------------------------------------
/** \returns the number of content partitions. */
int partitionCount() const;
/** \returns the specified content texture partiton. */
const OpenGL2DTexturePtr contentTexturePartition(int id) const;
/** \returns the specified shape texture partition. */
const OpenGL2DTexturePtr shapeTexturePartition(int id) const;
/** \returns the adjacent borders of the given partition. */
unsigned int partitionBorders(int id) const;
/** \returns the array buffer, containing the position of the given partition. */
const OpenGLBufferPtr partitionPosBuffer(int id) const;
/** \returns the window's screen, cast into the correct class. */
const OpenGLScreen &openGLScreen() const;
//--- WINDOW UPDATE FUNCTIONS ------------------------------------------
/** Updates the window's contents. */
void updateContents();
/** Updates window's geometry. */
void updateGeometry();
/** Updates the window's shape. */
void updateShape();
/** Updates the window position vertex array. */
void updateWindowPos();
private :
//--- RENDERING-RELATED VARIABLES --------------------------------------
/** Window's content texture. */
OpenGL2DTexturePartitionPtr m_content_tex_partition;
/** Window's shape texture. */
OpenGL2DTexturePartitionPtr m_shape_tex_partition;
/** Window position buffer holder. */
std::vector<OpenGLBufferPtr> m_window_pos_buffers;
};
//--- INLINE FUNCTIONS -------------------------------------------------
// Returns the specified content texture partiton.
inline const OpenGL2DTexturePtr OpenGLWindow::contentTexturePartition(int id) const {
if ((id < 0) || (id >= partitionCount())) {
throw IndexException("Out of bounds index in OpenGLWindow::contentTexturePartition.");
}
return m_content_tex_partition->partitions()[id].texture;
}
// Returns the adjacent borders of the given partition.
inline unsigned int OpenGLWindow::partitionBorders(int id) const {
if ((id < 0) || (id >= partitionCount())) {
throw IndexException("Out of bounds index in OpenGLWindow::partitionBorders.");
}
return m_content_tex_partition->partitions()[id].borders;
}
// Returns the number of contents' partitions.
inline int OpenGLWindow::partitionCount() const {
return m_content_tex_partition->partitions().size();
}
// Returns the array buffer, containing the position of the given partition.
inline const OpenGLBufferPtr OpenGLWindow::partitionPosBuffer(int id) const {
if ((id < 0) || (id >= partitionCount())) {
throw IndexException("Out of bounds index in OpenGLWindow::partitionPosBuffer.");
}
return m_window_pos_buffers[id];
}
// Returns the specified shape texture partition.
inline const OpenGL2DTexturePtr OpenGLWindow::shapeTexturePartition(int id) const {
if ((id < 0) || (id >= partitionCount())) {
throw IndexException("Out of bounds index in OpenGLWindow::shapeTexturePartition.");
}
return m_shape_tex_partition->partitions()[id].texture;
}
}
#endif // FBCOMPOSITOR_XRENDERAUTOWINDOW_HH
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