OpenGLUtilities.h File Reference

Some utility functions about OpenGL. Now supports GLSL450 and OpenGL 4.5. More...

#include "gVirtualXRay/gVirtualXRayConfig.h"
#include <vector>
#include "gVirtualXRay/Matrix4x4.h"
#include "gVirtualXRay/Types.h"
#include "gVirtualXRay/VBO.h"
#include "gVirtualXRay/OpenGL2VBO.h"
#include "gVirtualXRay/OpenGL3VBO.h"
#include "OpenGLUtilities.inl"

Include dependency graph for OpenGLUtilities.h:

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Go to the source code of this file.

Namespaces
	gVirtualXRay

Functions
void	gVirtualXRay::initialiseGLAD (const std::string &anAPI)
	Initialise GLAD. More...
void	gVirtualXRay::initializeGLAD (const std::string &anAPI)
	Initialize GLAD. More...
void	gVirtualXRay::initialiseGLEW ()
	Initialise GLEW. More...
void	gVirtualXRay::initializeGLEW ()
	Initialize GLEW. More...
void	gVirtualXRay::checkOpenGLErrorStatus (const char *aFileName, const char *aFunctionName, int aLineNumber)
	Check OpenGL's error status. More...
void	gVirtualXRay::checkFBOErrorStatus (const char *aFileName, const char *aFunctionName, int aLineNumber)
	Check the current FBO's error status. More...
void	gVirtualXRay::pushProjectionMatrix ()
	Add the current matrix to the projection matrix stack. More...
void	gVirtualXRay::pushModelViewMatrix ()
	Add the current matrix to the model/view matrix stack. More...
void	gVirtualXRay::pushFBO ()
	Add the current FBO binding to the FBO stack. More...
void	gVirtualXRay::pushTexture1D ()
	Add the current 1D texture binding to the texture stack. More...
void	gVirtualXRay::pushTexture2D ()
	Add the current 2D texture binding to the texture stack. More...
void	gVirtualXRay::pushTextureRectangle ()
	Add the current rectangle texture binding to the texture stack. More...
void	gVirtualXRay::pushTexture3D ()
	Add the current 3D texture binding to the texture stack. More...
void	gVirtualXRay::pushEnableDisableState (int aParameter)
	Add the enable/disable state to the corresponding stack. More...
void	gVirtualXRay::pushShaderProgram ()
	Add the current shader program to the corresponding stack. More...
void	gVirtualXRay::popProjectionMatrix ()
void	gVirtualXRay::popModelViewMatrix ()
void	gVirtualXRay::popFBO ()
void	gVirtualXRay::popTexture ()
void	gVirtualXRay::popEnableDisableState ()
void	gVirtualXRay::popShaderProgram ()
gVirtualXRay::Matrix4x4< float >	gVirtualXRay::getCurrentOpenGLMatrix ()
	Load the current OpenGL matrix. More...
void	gVirtualXRay::loadIdentityProjectionMatrix ()
	Replace the projection matrix by the identity matrix. More...
void	gVirtualXRay::loadIdentityModelViewMatrix ()
	Replace the model/view matrix by the identity matrix. More...
void	gVirtualXRay::loadFrustumProjectionMatrix (double left, double right, double bottom, double top, double near, double far)
	Replace the projection matrix by a perspective projection matrix. More...
void	gVirtualXRay::loadPerspectiveProjectionMatrix (double fovy, double aspect, double zNear, double zFar)
	Replace the projection matrix by a perspective projection matrix. More...
void	gVirtualXRay::loadOrthoProjectionMatrix (double left, double right, double bottom, double top, double near, double far)
	Replace the projection matrix by a orthographic projection matrix. More...
MATRIX4	gVirtualXRay::buildOrthoProjectionMatrix (double left, double right, double bottom, double top, double near, double far)
	Create a orthographic projection matrix. More...
MATRIX4	gVirtualXRay::buildFrustumProjectionMatrix (double left, double right, double bottom, double top, double near, double far)
	Create a perspective projection matrix. More...
MATRIX4	gVirtualXRay::buildPerspectiveProjectionMatrix (double fovy, double aspect, double zNear, double zFar)
	Create a perspective projection matrix. More...
void	gVirtualXRay::loadLookAtModelViewMatrix (const VEC3 &eye, const VEC3 &centre, const VEC3 &up)
	Replace the modelling-viewing matrix by a viewing transformation matrix. More...
void	gVirtualXRay::loadLookAtModelViewMatrix (double eyeX, double eyeY, double eyeZ, double centreX, double centreY, double centreZ, double upX, double upY, double upZ)
	Replace the modelling-viewing matrix by a viewing transformation matrix. More...
MATRIX4	gVirtualXRay::buildLookAtModelViewMatrix (const VEC3 &eye, const VEC3 &centre, const VEC3 &up)
	Create a modelling-viewing matrix. More...
MATRIX4	gVirtualXRay::buildLookAtModelViewMatrix (double eyeX, double eyeY, double eyeZ, double centreX, double centreY, double centreZ, double upX, double upY, double upZ)
	Create a modelling-viewing matrix. More...
void	gVirtualXRay::loadProjectionMatrixFromOpenGL ()
	Replace the projection matrix by OpenGL's projection matrix. More...
void	gVirtualXRay::loadModelViewMatrixFromOpenGL ()
	Replace the modelling-viewing matrix by OpenGL's modelling-viewing matrix. More...
void	gVirtualXRay::applyModelViewMatrix ()
bool	gVirtualXRay::useOpenGL45 ()
	Check if OpenGL 4.5 is supported by the current OpenGL context. More...
bool	gVirtualXRay::useOpenGL32 ()
	Check if OpenGL 3.2 is supported by the current OpenGL context. More...
bool	gVirtualXRay::useOpenGLCompute ()
	Check if OpenGL Compute Shaders are supported by the current OpenGL context. More...
VBO *	gVirtualXRay::createVBO ()
	Create an OpenGL VBO suitable for the current OpenGL context. More...
OpenGL2VBO *	gVirtualXRay::createOpenGL2VBO ()
	Create an OpenGL 2.x VBO. More...
OpenGL3VBO *	gVirtualXRay::createOpenGL3VBO ()
	Create an OpenGL 3.x or 4.x VBO. More...
std::string	gVirtualXRay::getShaderTypeID (const std::type_info &aTypeID)
std::string	gVirtualXRay::getShaderImageType (const std::type_info &aTypeID)
std::string	gVirtualXRay::getShaderPixelType (const std::type_info &aTypeID)
std::string	gVirtualXRay::getShaderRGBAPixelType (const std::type_info &aTypeID)

Variables
std::vector< MATRIX4 >	gVirtualXRay::g_p_modelview_matrix_stack
	The stack of model/view matrices. More...
std::vector< MATRIX4 >	gVirtualXRay::g_p_projection_matrix_stack
	The stack of projection matrix. More...
MATRIX4	gVirtualXRay::g_current_modelview_matrix
	The model/view matrices. More...
MATRIX4	gVirtualXRay::g_current_projection_matrix
	The projection matrix. More...
std::vector< int >	gVirtualXRay::g_frame_buffer_object_stack
	The stack of FBO binding. More...
std::vector< std::pair< int, int > >	gVirtualXRay::g_texture_stack
	The stack of texture binding. More...
std::vector< std::pair< int, bool > >	gVirtualXRay::g_enable_disable_state_stack
	The stack of enable/disable states. More...
std::vector< int >	gVirtualXRay::g_shader_program_stack
	The stack of shader programs. More...

Detailed Description

Some utility functions about OpenGL. Now supports GLSL450 and OpenGL 4.5.

Version

1.0

Date

25/02/2020

Author

Dr Franck P. Vidal

License BSD 3-Clause License.

For details on use and redistribution please refer to http://opensource.org/licenses/BSD-3-Clause

Copyright (c) by Dr Franck P. Vidal (franc.nosp@m.k.p..nosp@m.vidal.nosp@m.@fpv.nosp@m.idal..nosp@m.net), http://www.fpvidal.net/, Feb 2020, 2020, version 1.0, BSD 3-Clause License

Definition in file OpenGLUtilities.h.