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GeometryBufferBase.h
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/***********************************************************************
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filename: GeometryBufferBase.h
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created: Tue Apr 30 2013
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authors: Paul D Turner <paul@cegui.org.uk>
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Lukas E Meindl
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*************************************************************************/
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/***************************************************************************
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* Copyright (C) 2004 - 2013 Paul D Turner & The CEGUI Development Team
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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***************************************************************************/
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#ifndef _CEGUIGeometryBufferBase_h_
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#define _CEGUIGeometryBufferBase_h_
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#include "../../GeometryBuffer.h"
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#include "CEGUI/RendererModules/OpenGL/RendererBase.h"
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#include "../../Rect.h"
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#include "../../Quaternion.h"
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#include <utility>
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#include <vector>
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#if defined(_MSC_VER)
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# pragma warning(push)
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# pragma warning(disable : 4251)
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#endif
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namespace
CEGUI
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{
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class
OpenGLTexture;
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class
OPENGL_GUIRENDERER_API
OpenGLGeometryBufferBase
:
public
GeometryBuffer
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{
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public
:
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OpenGLGeometryBufferBase
(
OpenGLRendererBase
& owner);
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virtual
~
OpenGLGeometryBufferBase
();
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// implementation of abstract members from GeometryBuffer
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void
setTranslation(
const
Vector3f
& t);
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void
setRotation(
const
Quaternion
& r);
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void
setPivot(
const
Vector3f
& p);
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void
setClippingRegion(
const
Rectf
& region);
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void
appendVertex(
const
Vertex
& vertex);
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void
appendGeometry(
const
Vertex
*
const
vbuff, uint vertex_count);
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void
setActiveTexture(
Texture
* texture);
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void
reset();
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Texture
* getActiveTexture()
const
;
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uint getVertexCount()
const
;
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uint getBatchCount()
const
;
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void
setRenderEffect(
RenderEffect
* effect);
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RenderEffect
* getRenderEffect();
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void
setClippingActive(
const
bool
active);
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bool
isClippingActive()
const
;
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const
mat4Pimpl
* getMatrix()
const
;
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protected
:
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void
performBatchManagement();
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void
updateMatrix()
const
;
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struct
GLVertex
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{
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float
tex[2];
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float
colour[4];
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float
position[3];
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};
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struct
BatchInfo
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{
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uint texture;
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uint vertexCount;
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bool
clip;
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};
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OpenGLRendererBase
*
d_owner
;
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OpenGLTexture
*
d_activeTexture
;
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typedef
std::vector<BatchInfo>
BatchList
;
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BatchList
d_batches
;
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typedef
std::vector<GLVertex>
VertexList
;
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VertexList
d_vertices
;
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Rectf
d_clipRect
;
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bool
d_clippingActive
;
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Vector3f
d_translation
;
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Quaternion
d_rotation
;
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Vector3f
d_pivot
;
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RenderEffect
*
d_effect
;
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mutable
mat4Pimpl
*
d_matrix
;
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mutable
bool
d_matrixValid
;
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};
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}
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#if defined(_MSC_VER)
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# pragma warning(pop)
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#endif
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#endif
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cegui
include
CEGUI
RendererModules
OpenGL
GeometryBufferBase.h
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