27 #ifndef _CEGUIOpenGLRenderTarget_h_
28 #define _CEGUIOpenGLRenderTarget_h_
30 #include "CEGUI/RendererModules/OpenGL/RendererBase.h"
31 #include "../../RenderTarget.h"
32 #include "../../Rect.h"
35 # pragma warning(push)
36 # pragma warning(disable : 4251)
45 template <
typename T = RenderTarget>
Abstract class defining the interface for objects that buffer geometry for later rendering.
Definition: GeometryBuffer.h:44
Intermediate OpenGL implementation of a RenderTarget.
Definition: RendererModules/OpenGL/RenderTarget.h:47
mat4Pimpl * d_matrix
saved copy of projection matrix
Definition: RendererModules/OpenGL/RenderTarget.h:74
double d_viewDistance
tracks viewing distance (this is set up at the same time as d_matrix)
Definition: RendererModules/OpenGL/RenderTarget.h:78
void unprojectPoint(const GeometryBuffer &buff, const Vector2f &p_in, Vector2f &p_out) const
Take point p_in unproject it and put the result in p_out. Resulting point is local to GeometryBuffer ...
static const double d_yfov_tan
tangent of the y FOV half-angle; used to calculate viewing distance.
Definition: RendererModules/OpenGL/RenderTarget.h:72
void activate()
Activate the render target and put it in a state ready to be drawn to.
void draw(const GeometryBuffer &buffer)
Draw geometry from the given GeometryBuffer onto the surface that this RenderTarget represents.
void draw(const RenderQueue &queue)
Draw geometry from the given RenderQueue onto the surface that this RenderTarget represents.
void setArea(const Rectf &area)
Set the area for this RenderTarget. The exact action this function will take depends upon what the co...
virtual void updateMatrix() const
helper that initialises the cached matrix
const Rectf & getArea() const
Return the area defined for this RenderTarget.
void deactivate()
Deactivate the render target after having completed rendering.
OpenGLRendererBase & d_owner
OpenGLRendererBase that created this object.
Definition: RendererModules/OpenGL/RenderTarget.h:68
Rectf d_area
holds defined area for the RenderTarget
Definition: RendererModules/OpenGL/RenderTarget.h:70
OpenGLRenderTarget(OpenGLRendererBase &owner)
Constructor.
bool d_matrixValid
true if saved matrix is up to date
Definition: RendererModules/OpenGL/RenderTarget.h:76
Common base class used for other OpenGL (desktop or ES) based renderer modules.
Definition: RendererBase.h:54
Class that represents a queue of GeometryBuffer objects to be rendered.
Definition: RenderQueue.h:54
Main namespace for Crazy Eddie's GUI Library.
Definition: arch_overview.dox:1
Definition: GlmPimpl.h:37