The RenderTarget class defines an abstract 'surface' where OpenGL can render into. More...

#include <RenderTarget.hpp>

Inheritance diagram for vl::RenderTarget:

Public Member Functions
OpenGLContext *	openglContext ()
	The OpenGLContext bound to a render target.
const OpenGLContext *	openglContext () const
	The OpenGLContext bound to a render target.
int	width () const
	The width of a render target.
int	height () const
	The height of a render target.
void	setWidth (int width)
	The width of a render target.
void	setHeight (int height)
	The height of a render target.
virtual GLuint	handle () const
	The framebuffer object id as used by glBindFramebuffer, RenderTarget::handle() always returns 0, i.e., the standard OpenGL framebuffer.
void	activate (EFrameBufferBind target=FBB_FRAMEBUFFER)
	Activates the RenderTarget by calling bindFramebuffer() and bindDrawBuffers()
virtual void	bindFramebuffer (EFrameBufferBind target=FBB_FRAMEBUFFER)
	Calls glBindFramebuffer(target, 0) thus activating the the framebuffer 0, that is, the normal OpenGL buffers.
void	bindReadBuffer ()
	Binds to the currently active framebuffer object (including the 0 one) the read buffer specified by setReadBuffer().
void	bindDrawBuffers () const
	Binds to the currently active framebuffer object (including the 0 one) the draw buffers specified by setDrawBuffers().
bool	checkDrawBuffers () const
	Returns `true` if the draw buffers bound to this render target are legal for this render target type.
void	setDrawBuffer (EReadDrawBuffer draw_buffer)
	Specifies the color buffer to be drawn into.
void	setDrawBuffers (EReadDrawBuffer draw_buffer1, EReadDrawBuffer draw_buffer2)
	Specifies a list of color buffers to be drawn into.
void	setDrawBuffers (EReadDrawBuffer draw_buffer1, EReadDrawBuffer draw_buffer2, EReadDrawBuffer draw_buffer3)
	Specifies a list of color buffers to be drawn into.
void	setDrawBuffers (EReadDrawBuffer draw_buffer1, EReadDrawBuffer draw_buffer2, EReadDrawBuffer draw_buffer3, EReadDrawBuffer draw_buffer4)
	Specifies a list of color buffers to be drawn into.
void	setDrawBuffers (const std::vector< EReadDrawBuffer > &draw_buffers)
	Specifies a list of color buffers to be drawn into.
const std::vector < EReadDrawBuffer > &	drawBuffers ()
	The color buffers to be drawn into.
EReadDrawBuffer	readBuffer () const
	The read-buffer bound when the render target is activated.
void	setReadBuffer (EReadDrawBuffer read_buffer)
	The read-buffer bound when the render target is activated.
Protected Member Functions
	RenderTarget (OpenGLContext *ctx, int w, int h)
	Constructor.
Friends
class	OpenGLContext

Detailed Description

The RenderTarget class defines an abstract 'surface' where OpenGL can render into.

See also:: OpenGLContext::renderTarget() and FBORenderTarget

Definition at line 49 of file RenderTarget.hpp.

Constructor & Destructor Documentation

vl::RenderTarget::RenderTarget	(	OpenGLContext *	ctx,
		int	w,
		int	h
	)		`[inline, protected]`

Constructor.

Definition at line 57 of file RenderTarget.hpp.

References vl::RDB_BACK_LEFT, and VL_DEBUG_SET_OBJECT_NAME.

Member Function Documentation

OpenGLContext* vl::RenderTarget::openglContext ( ) [inline]

The OpenGLContext bound to a render target.

Definition at line 66 of file RenderTarget.hpp.

Referenced by vl::FBORenderTarget::bindFramebuffer(), vl::FBORenderTarget::checkFramebufferStatus(), vl::FBORenderTarget::create(), vl::FBORenderTarget::destroy(), vl::FBORenderTarget::removeAttachment(), vl::Renderer::render(), vl::EdgeRenderer::render(), and vl::OcclusionCullRenderer::render_pass2().

const OpenGLContext* vl::RenderTarget::openglContext ( ) const [inline]

The OpenGLContext bound to a render target.

Definition at line 69 of file RenderTarget.hpp.

int vl::RenderTarget::width ( ) const [inline]

The width of a render target.

Definition at line 72 of file RenderTarget.hpp.

Referenced by vl::FBORenderbufferAttachment::bindAttachment(), vl::FBOTextureLayerAttachment::bindAttachment(), vl::FBOTexture3DAttachment::bindAttachment(), vl::FBOTexture2DAttachment::bindAttachment(), vl::FBOTexture1DAttachment::bindAttachment(), vl::FBORenderTarget::bindFramebuffer(), vl::FBORenderTarget::checkFramebufferStatus(), and vl::Applet::resizeEvent().

int vl::RenderTarget::height ( ) const [inline]

The height of a render target.

Definition at line 75 of file RenderTarget.hpp.

Referenced by vl::FBORenderbufferAttachment::bindAttachment(), vl::FBOTextureLayerAttachment::bindAttachment(), vl::FBOTexture3DAttachment::bindAttachment(), vl::FBOTexture2DAttachment::bindAttachment(), vl::FBORenderTarget::bindFramebuffer(), vl::FBORenderTarget::checkFramebufferStatus(), vl::GhostCameraManipulator::enableEvent(), vl::TrackballManipulator::mouseDownEvent(), vl::TrackballManipulator::mouseMoveEvent(), vl::GhostCameraManipulator::mouseMoveEvent(), and vl::Applet::resizeEvent().

void vl::RenderTarget::setWidth ( int width ) [inline]

The width of a render target.

Definition at line 78 of file RenderTarget.hpp.

Referenced by vl::FBORenderTarget::destroy(), vlWin32::Win32Window::WindowProc(), and vlEGL::EGLWindow::WindowProc().

void vl::RenderTarget::setHeight ( int height ) [inline]

The height of a render target.

Definition at line 81 of file RenderTarget.hpp.

Referenced by vl::FBORenderTarget::destroy(), vlWin32::Win32Window::WindowProc(), and vlEGL::EGLWindow::WindowProc().

virtual GLuint vl::RenderTarget::handle ( ) const [inline, virtual]

The framebuffer object id as used by glBindFramebuffer, RenderTarget::handle() always returns 0, i.e., the standard OpenGL framebuffer.

Reimplemented in vl::FBORenderTarget.

Definition at line 84 of file RenderTarget.hpp.

void vl::RenderTarget::activate ( EFrameBufferBind target = FBB_FRAMEBUFFER ) [inline]

Activates the RenderTarget by calling bindFramebuffer() and bindDrawBuffers()

Definition at line 87 of file RenderTarget.hpp.

Referenced by vl::BlitFramebuffer::copyPixels().

virtual void vl::RenderTarget::bindFramebuffer ( EFrameBufferBind target = FBB_FRAMEBUFFER ) [inline, virtual]

Calls glBindFramebuffer(target, 0) thus activating the the framebuffer 0, that is, the normal OpenGL buffers.

Note:: This method is overridden in FBORenderTarget in order to activate the appropriate framebuffer object.

Reimplemented in vl::FBORenderTarget.

Definition at line 96 of file RenderTarget.hpp.

References VL_CHECK_OGL.

void RenderTarget::bindReadBuffer ( )

Binds to the currently active framebuffer object (including the 0 one) the read buffer specified by setReadBuffer().

Definition at line 159 of file RenderTarget.cpp.

References readBuffer(), and VL_CHECK_OGL.

Referenced by vl::FBORenderTarget::bindFramebuffer().

void RenderTarget::bindDrawBuffers ( ) const

Binds to the currently active framebuffer object (including the 0 one) the draw buffers specified by setDrawBuffers().

Definition at line 131 of file RenderTarget.cpp.

References checkDrawBuffers(), vl::Log::error(), vl::Has_GL_Version_2_0, VL_CHECK, and VL_CHECK_OGL.

Referenced by vl::FBORenderTarget::bindFramebuffer().

bool RenderTarget::checkDrawBuffers ( ) const

Returns true if the draw buffers bound to this render target are legal for this render target type.

Definition at line 44 of file RenderTarget.cpp.

References vl::Log::error().

Referenced by bindDrawBuffers().

void vl::RenderTarget::setDrawBuffer ( EReadDrawBuffer draw_buffer ) [inline]

Specifies the color buffer to be drawn into.

Definition at line 124 of file RenderTarget.hpp.

void vl::RenderTarget::setDrawBuffers	(	EReadDrawBuffer	draw_buffer1,
		EReadDrawBuffer	draw_buffer2
	)		`[inline]`

Specifies a list of color buffers to be drawn into.

Definition at line 131 of file RenderTarget.hpp.

void vl::RenderTarget::setDrawBuffers	(	EReadDrawBuffer	draw_buffer1,
		EReadDrawBuffer	draw_buffer2,
		EReadDrawBuffer	draw_buffer3
	)		`[inline]`

Specifies a list of color buffers to be drawn into.

Definition at line 139 of file RenderTarget.hpp.

void vl::RenderTarget::setDrawBuffers	(	EReadDrawBuffer	draw_buffer1,
		EReadDrawBuffer	draw_buffer2,
		EReadDrawBuffer	draw_buffer3,
		EReadDrawBuffer	draw_buffer4
	)		`[inline]`

Specifies a list of color buffers to be drawn into.

Definition at line 148 of file RenderTarget.hpp.

void vl::RenderTarget::setDrawBuffers ( const std::vector< EReadDrawBuffer > & draw_buffers ) [inline]

Specifies a list of color buffers to be drawn into.

Definition at line 158 of file RenderTarget.hpp.

const std::vector< EReadDrawBuffer >& vl::RenderTarget::drawBuffers ( ) [inline]

The color buffers to be drawn into.

Definition at line 161 of file RenderTarget.hpp.

EReadDrawBuffer vl::RenderTarget::readBuffer ( ) const [inline]

The read-buffer bound when the render target is activated.

Definition at line 164 of file RenderTarget.hpp.

Referenced by bindReadBuffer().

void vl::RenderTarget::setReadBuffer ( EReadDrawBuffer read_buffer ) [inline]

The read-buffer bound when the render target is activated.

Definition at line 167 of file RenderTarget.hpp.

Friends And Related Function Documentation

friend class OpenGLContext [friend]

Reimplemented in vl::FBORenderTarget.

Definition at line 53 of file RenderTarget.hpp.

The documentation for this class was generated from the following files:

D:/Dropbox/VL/vlsvn/src/vlGraphics/RenderTarget.hpp
D:/Dropbox/VL/vlsvn/src/vlGraphics/RenderTarget.cpp

Visualization Library

vl::RenderTarget Class Reference

Public Member Functions

Protected Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation