VuoImageRenderer.cc File Reference

Description

VuoImageRenderer implementation.

Copyright

Copyright © 2012–2017 Kosada Incorporated. This code may be modified and distributed under the terms of the MIT License. For more information, see http://vuo.org/license.

Classes
struct	VuoImageRendererInternal
	Internal state data for a VuoImageRenderer instance. More...

Macros
#define	glGenVertexArrays   glGenVertexArraysAPPLE
#define	glBindVertexArray   glBindVertexArrayAPPLE
#define	glDeleteVertexArrays   glDeleteVertexArraysAPPLE

Functions
static void	VuoImageRenderer_fini (void)
	Destroys and deallocates the image renderer.
static void	VuoImageRenderer_init (void)
	Initializes global state for rendering a VuoImage.
VuoImage	VuoImageRenderer_draw (void *ir, VuoShader shader, unsigned int pixelsWide, unsigned int pixelsHigh, VuoImageColorDepth imageColorDepth)
	Deprecated.
void *	VuoImageRenderer_make (void *)
	Deprecated.
VuoImage	VuoImageRenderer_render (VuoShader shader, unsigned int pixelsWide, unsigned int pixelsHigh, VuoImageColorDepth imageColorDepth)
	Produces a new VuoImage by rendering shader.

Variables
static VuoImageRendererInternal	VuoImageRendererGlobal
	Internal state data for a VuoImageRenderer instance.
static const GLfloat	triData []
	Positions and texture coordinates for a full-screen triangle.
static const GLfloat	unityMatrix [16]
	An identity matrix.

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Class Documentation

struct VuoImageRendererInternal

Class Members
GLuint	outputFramebuffer
GLuint	triDataBuffer
GLuint	vertexArray

Function Documentation

VuoImage VuoImageRenderer_draw	(	void *	ir,
		VuoShader	shader,
		unsigned int	pixelsWide,
		unsigned int	pixelsHigh,
		VuoImageColorDepth	imageColorDepth
	)

Deprecated.

This shim exists to enable old 3rd-party nodes to continue working.

static void VuoImageRenderer_fini ( void  )

static

Destroys and deallocates the image renderer.

This function may be called from any thread.

static void VuoImageRenderer_init ( void  )

static

Initializes global state for rendering a VuoImage.

void* VuoImageRenderer_make

(

void *

)

Deprecated.

This shim exists to enable old 3rd-party nodes to continue working.

VuoImage VuoImageRenderer_render	(	VuoShader	shader,
		unsigned int	pixelsWide,
		unsigned int	pixelsHigh,
		VuoImageColorDepth	imageColorDepth
	)

Produces a new VuoImage by rendering shader.

This function may be called from any thread.

Variable Documentation

const GLfloat triData[]

static

Initial value:

= {
    
    -1, -1, 0, 1,
     3, -1, 0, 1,
    -1,  3, 0, 1,

    
    0, 0, 0, 0,
    2, 0, 0, 0,
    0, 2, 0, 0,
}

Positions and texture coordinates for a full-screen triangle.

const GLfloat unityMatrix[16]

static

Initial value:

= {
    1,0,0,0,
    0,1,0,0,
    0,0,1,0,
    0,0,0,1
}

An identity matrix.

VuoImageRendererInternal VuoImageRendererGlobal

static

Internal state data for a VuoImageRenderer instance.