Description
The jit.gl.pix object generates new pixel processing shaders from a patcher. jit.gl.pix is essentially a jit.gl.slab object whose shader files are generated from jit.expr-like expressions that can be in either text or patcher form.
Examples
Attributes
activeinput [int]
Input number used for jit_matrix method (default = 0) Useful for multiple input Image Units used from Java or JavaScript.
adapt [int] (default: 1)
Enables or disables adapting and resizing to input source dimensions (default = 1).
colormode [symbol]
The colorspace mode to use for each input textures (default = auto). Supported modes are:
auto
luminance
intensity
depth
lumalpha
rgb
argb
uyvy
Possible values:
'argb'
'uyvy'
depth [float]
The depth or z-offset for the slab geometry. (default = 0.0)
dim [2 ints]
The dimensions of the output jit.gl.texture object when adapt is disabled (default = 720 480)
dimscale [2 floats]
The dimension scaling factors of the output jit.gl.texture object when adapt is enabled (default = 1. 1.). This is useful for upsampling or downsampling shaders (such as uyvy conversion) which can adapt with the following logic:
output.dim[0] = input.dim[0]*dimscale[0];
output.dim[1] = input.dim[1]*dimscale[1];
dirty [int]
Gen patcher dirty flag
displaylist [int]
Cache in displaylist flag (default = 0) This feature may be used to speed up rendering time by creating and storing a list of gl drawing commands on the graphics card. This will have no effect if matrixoutput turned on.
edges [4 ints]
Flags to enable or disable rendering each edge (only valid when shape == edges) (default = 1 1 1 1)/
exportfolder [symbol]
Sets the folder to export gen patchers into.
file [symbol]
File
gen [symbol] (default: )
The name of the gen patcher to use.
inputs [int]
Input count (default = 2)
outputs [int]7.0.0
Outputs
rect [4 floats]
The extent or rectangular coordinates bounding the slab geometry (default = 0 0 1 1)/
rectangle [int]
Enable texture rectangle mode on internal texture objects(default = 1). When enabled the internal GL texture is treated as a rectangular texture, and must be referenced using sampler2DRect and sampled using texture2DRect when sampled from a GLSL shader. When disabled the texture dimensions are upsampled to the nearest power of two value, and must be referenced and sampled using sampler2D and texture2D. Certain texture attributes and GLSL effects require rectangle mode disabled.
thru [int]
Thru mode flag (default = 1) When the flag is set, a matrix is output when another one is received.
shape [symbol]
The shape or geometry to render (default = cubes) Supported modes are:
quad
grid
edges
subdiv [2 ints]
The number of subdivisions to use for generating grid based geometry (only valid when shape == grid) (default = 1 1)
t [symbol]
Gen patcher title
texrect [128 floats]
The extent or rectangular coordinates bounding the texture coordinates for the slab geometry (default = 0 0 1 1)/
title [symbol]
Gen patcher title
type [symbol]
The output texture data type (default = auto). When type is auto the type is set by the input texture or matrix type.
Possible values:
'auto'
(
Adapt to input data type
)
'char'
(
8bit unsigned byte
)
'long'
(
32bit integer
)
'half'
(
16bit float
)
'float'
(
32bit float
)
'float16'
(
16bit float
)
'float32'
(
32bit float
)
wrap [4 ints]
Flags to enable or disable wrapping along each edge (only valid when shape == edges) (default = 0 0 0 0)
Common Box Attributes
annotation [symbol]
Sets the text that will be displayed in the Clue window when the user moves the mouse over the object.
background [int] (default: 0)
Adds or removes the object from the patcher's background layer. background 1 adds the object to the background layer, background 0 removes it. Objects in the background layer are shown behind all objects in the default foreground layer.
color [4 floats]
Sets the color for the object box outline.
fontface [int]
Sets the type style used by the object. The options are:
plain
bold
italic
bold italic
Possible values:
0 = 'regular'
1 = 'bold'
2 = 'italic'
3 = 'bold italic'
fontname [symbol]
Sets the object's font.
fontsize [float]
Sets the object's font size (in points).
Possible values:
'8'
'9'
'10'
'11'
'12'
'13'
'14'
'16'
'18'
'20'
'24'
'30'
'36'
'48'
'64'
'72'
hidden [int] (default: 0)
Toggles whether an object is hidden when the patcher is locked.
hint [symbol]
Sets the text that will be displayed in as a pop-up hint when the user moves the mouse over the object in a locked patcher.
ignoreclick [int] (default: 0)
Toggles whether an object ignores mouse clicks in a locked patcher.
patching_rect [4 floats] (default: 0. 0. 100. 0.)
Sets the position and size of the object in the patcher window.
position [2 floats]
Sets the object's x and y position in both patching and presentation modes (if the object belongs to its patcher's presentation), leaving its size unchanged.
presentation [int] (default: 0)
Sets whether an object belongs to the patcher's presentation.
presentation_rect [4 floats] (default: 0. 0. 0. 0.)
Sets the x and y position and width and height of the object in the patcher's presentation, leaving its patching position unchanged.
rect [4 floats]
Sets the x and y position and width and height of the object in both patching and presentation modes (if the object belongs to its patcher's presentation).
size [2 floats]
Sets the object's width and height in both patching and presentation modes (if the object belongs to its patcher's presentation), leaving its position unchanged.
textcolor [float]
Sets the color for the object's text in RGBA format.
textjustification [int]
Text Justification
Possible values:
0 = 'left'
1 = 'center'
2 = 'right'
varname [symbol]
Sets the patcher's scripting name, which can be used to address the object by name in pattr, scripting messages to thispatcher, and the js object.
OB3D Attributes
anim [symbol]
The name of a jit.anim.node object that handles all spatial transforms for this instance (default = UID). The default value references an internal object, but can be overridden by setting to the name of an existing external jit.anim.node instance. This allows for more advanced control of the spatial transform.
anchor [3 floats]
The anchor position in local space (default = 0. 0. 0.). Allows for offsetting the local 3D origin around which transforms are applied.
animmode [symbol]
Determines which space the anim_move and anim_turn messages will affect the position and orientation of this object (default = parent).
local = Rotate relative to local axis
parent = Rotate relative to parent axis
world = Rotate relative to world axis
antialias [int]
Antialiasing flag (default = 0) On some hardware, the blend_enable attribute must also be enabled for antialiasing to work.
automatic [int]
Automatic rendering flag (default = 1) When the flag is set, rendering occurs when the associated jit.gl.render object receives a bang message
auto_material [int]
Automatic material attributes flag (default = 1) When the flag is set, and lighting is enabled for the object, the diffuse and ambient material components for the object will be set to the object's color, and the specular and emissive lighting components are disabled.
aux_color [4 floats]
The auxiliary color in the form red green blue alpha (default = 0. 0. 0. 0.) The list elements should be in the range 0.-1.
axes [int]
x/y/z axis rendering off/on (default = 0)
blend [symbol]
The named blending mode. The possible values are:
add = blend_mode 1 1
multiply = blend_mode 2 1
screen = blend_mode 4 1
exclusion = blend_mode 4 5
colorblend = blend_mode 3 4
alphablend = blend_mode 6 7
coloradd = blend_mode 3 1
alphaadd = blend_mode 6 1
blend_enable [int]
Blending flag (default = 0) When the flag is set, blending is enabled for all rendered objects.
blend_mode [2 ints]
The source and destination planes associated with the blend mode (default = 6 7) Blend modes are specified in the form src_blend_mode dst_blend_mode. The supported modes are:
0 = zero
1 = one
2 = destination color
3 = source color
4 = one minus destination color
5 = one minus source color
6 = source alpha
7 = one minus source alpha
8 = destination alpha
9 = one minus destination alpha
10 = source alpha saturate
camera [3 floats]
The camera position in 3D space (default = 0. 0. 2.) Camera position is specified as a set of floating point numbers that correspond to a camera position with respect to the x, y, and z axes.
capture [symbol]
The name of a texture to be rendered to - e.g. jit.gl.nurbs @capture mytex will capture to jit.gl.texture @name mytex.
color [4 floats]
The draw color in the form red green blue alpha (default = 1. 1. 1. 1.) The list elements should be in the range 0.-1.
cull_face [int]
Face culling mode (default = 0 (no culling))
0 = no culling
1 = cull back faces
2 = cull front faces
depth_clear [int]
Depth buffer clear flag (default = 0) When the flag is set, the depth buffer is cleared before rendering the object.
depth_enable [int]
Depth buffering flag (default = 1) When the flag is set, depth buffering is enabled.
depth_write [int]
Depth write flag (default = 1). When the flag is set, writing to the depth buffer is enabled. This will have no effect if depth_enable is turned off.
dest_dim [2 ints]
Destination dimensions width height (default = jit.gl.render destination dimensions)
drawto [symbol]
The named drawing context in which to draw (default = none) A named drawing context is a named instance of a jit.window, jit.pwindow, or jit.matrix object that has an instance of the jit.gl.render object associated with it.
enable [int]
Enable flag (default = 1) When the flag is set, drawing is enabled.
filterclass [symbol]
The name of this object's pick filter class (default = default). This controls the visibility of objects to the jit.gl.handle and jit.gl.picker objects. In order to select this object, the filterclass value must be in the picking object's filters list.
far_clip [float]
The far clipping plane distance in 3D world (default = 100.)
fog_params [7 floats]
The fog parameters in the form red green blue alpha density start end (default = 0. 0. 0. 0. 0. 0. 0.) The list's color elements should be in the range 0.-1.
fog [float]
The amount of fog effect (default = 0.)
inherit_all [int]
Inherit all flag (default = 0) When the flag is set, all GL attributes from named drawing context are inherited.
inherit_color [int]
Inherit color flag (default = 0) When the flag is set, all color attributes from the named drawing context are inherited.
inherit_depth [int]
Inherit depth buffer flag (default = 0) When the flag is set, all depth buffer attributes from the named drawing context are inherited.
inherit_fog [int]
Inherit fog attributes flag (default = 0) When the flag is set, all fog attributes from the named drawing context are inherited.
inherit_material [int]
Inherit material attributes flag (default = 0) When the flag is set, all lighting and material attributes from the named drawing context are inherited.
inherit_poly [int]
Inherit polygon attributes flag (default = 0) When the flag is set, all polygon attributes from the named drawing context are inherited.
inherit_texture [int]
Inherit texture attributes flag (default = 0) When the flag is set, all texture attributes from the named drawing context are inherited.
inherit_transform [int]
Inherit transform attributes flag (default = 0) When the flag is set, all transform attributes from the named drawing context are inherited.
layer [int]
Object layer number (default = 0) When in automatic mode, the layer number determines the rendering order (low to high). Objects in the same layer have no guarantee which will be rendered first.
lens_angle [float]
The lens angle of the OpenGL camera (default = 45.)
lighting_enable [int]
Lighting enabled flag (default = 0) When the flag is set, lighting is calculated.
light_ambient [4 floats]
The color and opacity of the ambient light component in the form red green blue opacity (default = 0. 0. 0. 1. (opaque black)) All values should be in the range 0.-1.
light_diffuse [4 floats]
The color and opacity of the diffuse light component in the form red green blue opacity (default = 1. 1. 1. 1. (opaque white)) All values should be in the range 0.-1.
light_global_ambient [4 floats]
The color and opacity of the global ambient light component in the form red green blue opacity (default = 0.2 0.2 0.2 1.) All values should be in the range 0.-1.
light_position [4 floats]
The position of the light source in XYZ coordinates and the light type (default = 1. 1. 1. 0.)
When the last number is 0., t The light is treated as a directional source if 0. is the final number. Otherwise, diffuse and specular lighting calculations are based on the actual location of the light in eye coordinates, and attenuation is enabled.
light_specular [4 floats]
Color and opacity of specular light component (default = 1. 1. 1. 1. (opaque white)) The first three floats in the range 0.-1. specify the RGB components of the specular light color. The fourth float (also in the range 0.-1.) specifies opacity.
line_width [float]
The drawing line width (default = 1.)
lookat [3 floats]
3D position at which the camera is pointed (default = 0. 0. 0.)
mat_ambient [4 floats]
The ambient light material property in the form red green blue alpha (default = 0. 0. 0. 0.) The list elements should be in the range 0.-1.
mat_diffuse [4 floats]
The diffuse light material property in the form red green blue alpha (default = 0. 0. 0. 0.) The list elements should be in the range 0.-1.
mat_emission [4 floats]
The material emission property in the form red green blue alpha (default = 0. 0. 0. 0.) The list elements should be in the range 0.-1.
mat_specular [4 floats]
The specular light material property in the form red green blue alpha (default = 0. 0. 0. 0.) The list elements should be in the range 0.-1.
matfile [symbol]
The Jitter material file to apply (.jitmtl)
matrixoutput [int]
Matrix output mode (default = 0)
0 = issue render commands
1 = output geometry matrices
2 = output geometry matrices with local transform applied
name [symbol]
The instance name (default = UID)
near_clip [float]
The near clipping plane distance in 3D world (default = 0.1)
ortho [int]
Orthographic projection mode (default = 0)
0 = orthographic projection off (perspective projection)
1 = orthographic projection on, using lens angle
2 = orthographic projection on, ignoring lens angle
point_size [float]
The draw point size (default = 1.)
poly_mode [2 ints]
Polygon rendering modes (default 0 0) Rendering modes are expressed in the form frontface backface. Supported rendering modes are:
0 = render as filled polygons
1 = render as lines
2 = render as points
position [3 floats]
The 3D origin in the form x y z (default = 0. 0. 0.)
quat [4 floats]
The current rotation as a quaternion(default = 0. 0. 0. 1.). A quaternion is a mathematical construct that is a four dimensional vector, and can be visualized as a rotation around an arbitrary axis. Quaternions are a useful representation of an orientation in 3D space.
rotate [4 floats]
The angle of rotation and the xyz vector about which the rotation is performed in the form rotation-angle x y z (default = 0. 0. 0. 1.)
rotatexyz [3 floats]
Sets the current rotation to the concatenation of rotations about the positive x, y, and z axes, also known as Euler angles (default = 0. 0. 0.). The default order is yzx and can be changed with the jit.gl.render rotate_order attribute. Angles are expressed in degrees.
scale [3 floats]
The 3D scaling factor in the form x y z (default = 1. 1. 1.)
shadow_caster [int]
Shadow caster flag (default = 0) When the flag is set, object will cast shadows.
shininess [float]
The material shininess value (default = 16.0) The value should be a float in the range 0.-255.
smooth_shading [int]
Smooth shading flag (default = 0) When the flag is set, smooth shading is used when rendering.
tex_map [int]
Mode for automatic generation of texture coordinate controls (default = 0)
0 = no coordinates are generated.
1 = OpenGL's texture generation is used with mode GL_OBJECT_LINEAR. This applies the texture in a fixed orientation relative to the object.
2 = OpenGL's texture generation is used with mode GL_SPHERE_MAP. This can be used to create a reflection effect.
3 = OpenGL's texture generation is used with mode GL_EYE_LINEAR. This applies the texture in a fixed orientation relative to OpenGL's eye coordinates.
Modes 1 and 3 are affected by the value of the tex_plane_s and tex_plane_t attributes listed below.
tex_plane_s [4 floats]
The texture generation coefficients a b c d that apply to tex_map modes 1 and 3. (default = 1. 0. 0. 0.)
The four coefficients define a plane used to generate the s texture coordinate, which corresponds to the x axis of the texture image. If the tex_map mode is 1, s = ax + by + cz + dw, where x, y, z, and w are the homogeneous coordinates of the vertex.
tex_plane_t [4 floats]
The texture generation coefficients a b c d, which apply to tex_map modes 1 and 3. (default = 0. 1. 0. 0)
The four coefficients define a plane which is used to generate the t texture coordinate, which corresponds to the y axis of the texture image.
shader [symbol]
The name of the shader to be applied (default = none)
texture [8 symbols]
The name of the texture to be applied (default = none). If multiple textures are specified, uses multi-texturing.
transform_reset [int]
Modelview and projection transform reset flag (default = 0) When the flag is set, the modelview and projection transforms are set to the identity transform before rendering the object. This is useful for sprite or billboard overlays, or automatic scaling to window size. The transform_reset flag modes are:
0 = do nothing (default)
1 = proportional orthographic glOrtho(-aspect, aspect, -1.0, 1.0, near_clip, far_clip);
2 = orthographic normalized glOrtho(-1.0, 1.0, -1.0, 1.0, near_clip, far_clip);
3 = proportional perspective with near clip = 0.001 gluPerspective(lens_angle, aspect, 0.001/*near_clip*/, far_clip);
4 = normalized perspective with near clip = 0.001 gluPerspective(lens_angle, 1.0, 0.001/*near_clip*/, far_clip);
up [3 floats]
The 3D vector towards which the top of the camera points (default = 0. 1. 0.)
verbose [int]
Toggles printing messages to the Max Console.
viewalign [int]
View aligned transformation flag (default = 0)
Messages
anything
(drag)
(mouse)
compile
exportcode
Arguments
getparamdefault
getparamdescription
getparamlist
getparamtype
getparamval
jit.gl.pix
open
param
sendinput
sendoutput
sendshader
read
wclose
OB3D Messages
bang
draw
drawraw
drawimmediate
anim_move
Arguments
y [float]
z [float]
anim_turn
Arguments
y [float]
z [float]
anim_grow
Arguments
y [float]
z [float]
anim_reset
update_node
import_material
export_material
See Also
| Name | Description |
|---|---|
| Working with OpenGL | Working with OpenGL |
| Online Resources | Online Resources |
| jit.gen | Generate new Jitter MOP objects |
| jit.pix | Generates Jitter mop pixel processing objects from a patcher. |
| jit.gl.slab | Process texture data |
| jit.expr | Evaluate an expression to fill a matrix |
| jit.matrix | The Jitter Matrix! |
| gen~ | Generate native audio signal processing routines |
| Gen Overview | Gen Overview |
| GenExpr | GenExpr |
| Gen Common Operators | Gen Common Operators |
| Jitter Operators | Jitter Operators |