/usr/include/Nux-4.0/NuxGraphics/IOpenGLFrameBufferObject.h is in libnux-4.0-dev 4.0.8+16.04.20160209-0ubuntu2.
This file is owned by root:root, with mode 0o644.
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* Copyright 2010 Inalogic® Inc.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, as
* published by the Free Software Foundation; either version 2.1 or 3.0
* of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>
*
* Authored by: Jay Taoko <jaytaoko@inalogic.com>
*
*/
#ifndef IOPENGLFRAMEBUFFEROBJECT_H
#define IOPENGLFRAMEBUFFEROBJECT_H
namespace nux
{
class IOpenGLResource;
class IOpenGLFrameBufferObject: public IOpenGLResource
{
NUX_DECLARE_OBJECT_TYPE(IOpenGLFrameBufferObject, IOpenGLResource);
public:
virtual ~IOpenGLFrameBufferObject();
void SetupFrameBufferObject();
int FormatFrameBufferObject(int Width, int Height, BitmapFormat PixelFormat);
int SetRenderTarget(int color_attachment_index, ObjectPtr<IOpenGLSurface> pRenderTargetSurface);
int SetTextureAttachment(int color_attachment_index, ObjectPtr<IOpenGLBaseTexture> texture, int surface_level);
int SetDepthSurface(ObjectPtr<IOpenGLSurface> pDepthSurface);
int SetDepthTextureAttachment(ObjectPtr<IOpenGLBaseTexture> depth_texture, int mip_level);
ObjectPtr<IOpenGLSurface> GetRenderTarget(int color_attachment_index);
ObjectPtr<IOpenGLSurface> GetDepthRenderTarget();
ObjectPtr<IOpenGLBaseTexture> TextureAttachment(int color_attachment_index);
ObjectPtr<IOpenGLBaseTexture> DepthTextureAttachment();
int Clear(DWORD Flags, FLOAT red, FLOAT green, FLOAT blue, FLOAT alpha, FLOAT Z, DWORD Stencil);
int Activate(bool WithClippingStack = false);
//### Restore the original opengl back buffer as defined when creating the opengl context(color + depth + stencil).
int Deactivate();
bool IsActive()
{
return _IsActive;
}
// For 2D screen operations
std::vector<Rect> _ClippingRegionStack;
void PushClippingRegion(Rect const& rect);
void PopClippingRegion();
void EmptyClippingRegion();
void ApplyClippingRegion();
//! Bypass the clipping rectangle stack and set a different clipping rectangle region.
/*!
You may restore the clipping rectangle stack with ApplyClippingRectangle.
*/
void SetClippingRectangle(const Rect &rect);
void SetOpenGLClippingRectangle(int x, int y, int width, int height);
Rect GetClippingRegion();
int GetNumberOfClippingRegions() const;
int GetWidth() const
{
return attachment_width_;
}
int GetHeight() const
{
return attachment_height_;
}
private:
struct Attachment
{
ObjectPtr<IOpenGLBaseTexture> texture;
int level;
};
IOpenGLFrameBufferObject(NUX_FILE_LINE_PROTO);
int attachment_width_;
int attachment_height_;
BitmapFormat _PixelFormat;
bool _IsActive;
Rect _clipping_rect;
ObjectPtr<IOpenGLSurface> depth_surface_attachment_;
ObjectPtr<IOpenGLSurface> stencil_surface_attachment_;
ObjectPtr<IOpenGLBaseTexture> depth_texture_attachment_;
std::vector< ObjectPtr<IOpenGLSurface> > surface_attachment_array_;
std::vector< ObjectPtr<IOpenGLBaseTexture> > texture_attachment_array_;
GLFramebufferObject _Fbo; // The framebuffer object used for rendering to the texture
GLRenderbuffer _Rbo;
bool platform_support_for_depth_texture_;
friend class GpuDevice;
};
}
#endif // IOPENGLFRAMEBUFFEROBJECT_H
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