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processing/core/src/processing/opengl/PJOGL.java at master · darkcoderrises/processing · GitHub
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/
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src
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processing
/
opengl
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PJOGL.java
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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2012-15 The Processing Foundation
Copyright (c) 2004-12 Ben Fry and Casey Reas
Copyright (c) 2001-04 Massachusetts Institute of Technology
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation, version 2.1.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
package
processing
.
opengl
;
import
java
.
awt
.
Font
;
import
java
.
awt
.
FontMetrics
;
import
java
.
awt
.
Shape
;
import
java
.
awt
.
Toolkit
;
import
java
.
awt
.
font
.
FontRenderContext
;
import
java
.
awt
.
font
.
GlyphVector
;
import
java
.
awt
.
geom
.
PathIterator
;
import
java
.
io
.
IOException
;
import
java
.
net
.
URL
;
import
java
.
nio
.
Buffer
;
import
java
.
nio
.
ByteBuffer
;
import
java
.
nio
.
FloatBuffer
;
import
java
.
nio
.
IntBuffer
;
import
com
.
jogamp
.
common
.
util
.
VersionNumber
;
import
com
.
jogamp
.
opengl
.
GL
;
import
com
.
jogamp
.
opengl
.
GL2
;
import
com
.
jogamp
.
opengl
.
GL2ES2
;
import
com
.
jogamp
.
opengl
.
GL2ES3
;
import
com
.
jogamp
.
opengl
.
GL2GL3
;
import
com
.
jogamp
.
opengl
.
GL3ES3
;
import
com
.
jogamp
.
opengl
.
GLAutoDrawable
;
import
com
.
jogamp
.
opengl
.
GLCapabilities
;
import
com
.
jogamp
.
opengl
.
GLCapabilitiesImmutable
;
import
com
.
jogamp
.
opengl
.
GLContext
;
import
com
.
jogamp
.
opengl
.
GLDrawable
;
import
com
.
jogamp
.
opengl
.
fixedfunc
.
GLMatrixFunc
;
import
com
.
jogamp
.
opengl
.
glu
.
GLU
;
import
com
.
jogamp
.
opengl
.
glu
.
GLUtessellator
;
import
com
.
jogamp
.
opengl
.
glu
.
GLUtessellatorCallbackAdapter
;
import
processing
.
core
.
PApplet
;
import
processing
.
core
.
PGraphics
;
import
processing
.
core
.
PMatrix3D
;
import
processing
.
core
.
PSurface
;
public
class
PJOGL
extends
PGL
{
// OpenGL profile to use (2, 3 or 4)
public
static
int
profile
=
2
;
// User-provided icons to override defaults
protected
static
String
[]
icons
=
null
;
// The two windowing toolkits available to use in JOGL:
public
static
final
int
AWT
=
0
;
// http://jogamp.org/wiki/index.php/Using_JOGL_in_AWT_SWT_and_Swing
public
static
final
int
NEWT
=
1
;
// http://jogamp.org/jogl/doc/NEWT-Overview.html
// ........................................................
// Public members to access the underlying GL objects and context
/** Basic GL functionality, common to all profiles */
public
GL
gl
;
/** GLU interface **/
public
GLU
glu
;
/** The rendering context (holds rendering state info) */
public
GLContext
context
;
// ........................................................
// Additional parameters
/** Time that the Processing's animation thread will wait for JOGL's rendering
* thread to be done with a single frame.
*/
protected
static
int
DRAW_TIMEOUT_MILLIS
=
500
;
// ........................................................
// Protected JOGL-specific objects needed to access the GL profiles
/** The capabilities of the OpenGL rendering surface */
protected
GLCapabilitiesImmutable
capabilities
;
/** The rendering surface */
protected
GLDrawable
drawable
;
/** GLES2 functionality (shaders, etc) */
protected
GL2ES2
gl2
;
/** GL3 interface */
protected
GL2GL3
gl3
;
/** GL2 desktop functionality (blit framebuffer, map buffer range,
* multisampled renderbuffers) */
protected
GL2
gl2x
;
/** GL3ES3 interface */
protected
GL3ES3
gl3es3
;
/** Stores exceptions that ocurred during drawing */
protected
Exception
drawException
;
// ........................................................
// Utility arrays to copy projection/modelview matrices to GL
protected
float
[]
projMatrix
;
protected
float
[]
mvMatrix
;
// ........................................................
// Static initialization for some parameters that need to be different for
// JOGL
static
{
MIN_DIRECT_BUFFER_SIZE
=
2
;
INDEX_TYPE
=
GL
.
GL_UNSIGNED_SHORT
;
}
///////////////////////////////////////////////////////////////
// Initialization, finalization
public
PJOGL
(
PGraphicsOpenGL
pg
) {
super
(
pg
);
glu
=
new
GLU
();
}
@
Override
public
Object
getNative
() {
return
sketch
.
getSurface
().
getNative
();
}
@
Override
protected
void
setFrameRate
(
float
fps
) {}
@
Override
protected
void
initSurface
(
int
antialias
) {}
@
Override
protected
void
reinitSurface
() {}
@
Override
protected
void
registerListeners
() {}
static
public
void
setIcon
(
String
...
icons
) {
PJOGL
.
icons
=
new
String
[
icons
.
length
];
PApplet
.
arrayCopy
(
icons
,
PJOGL
.
icons
);
}
///////////////////////////////////////////////////////////////
// Public methods to get/set renderer's properties
public
void
setCaps
(
GLCapabilities
caps
) {
reqNumSamples
=
caps
.
getNumSamples
();
capabilities
=
caps
;
}
public
GLCapabilitiesImmutable
getCaps
() {
return
capabilities
;
}
public
void
setFps
(
float
fps
) {
if
(!
setFps
||
targetFps
!=
fps
) {
if
(
60
<
fps
) {
// Disables v-sync
gl
.
setSwapInterval
(
0
);
}
else
if
(
30
<
fps
) {
gl
.
setSwapInterval
(
1
);
}
else
{
gl
.
setSwapInterval
(
2
);
}
targetFps
=
currentFps
=
fps
;
setFps
=
true
;
}
}
@
Override
protected
int
getDepthBits
() {
return
capabilities
.
getDepthBits
();
}
@
Override
protected
int
getStencilBits
() {
return
capabilities
.
getStencilBits
();
}
@
Override
protected
float
getPixelScale
() {
PSurface
surf
=
sketch
.
getSurface
();
if
(
surf
==
null
) {
return
graphics
.
pixelDensity
;
}
else
if
(
surf
instanceof
PSurfaceJOGL
) {
return
((
PSurfaceJOGL
)
surf
).
getPixelScale
();
}
else
{
throw
new
RuntimeException
(
"Renderer cannot find a JOGL surface"
);
}
}
@
Override
protected
void
getGL
(
PGL
pgl
) {
PJOGL
pjogl
= (
PJOGL
)
pgl
;
this
.
drawable
=
pjogl
.
drawable
;
this
.
context
=
pjogl
.
context
;
this
.
glContext
=
pjogl
.
glContext
;
setThread
(
pjogl
.
glThread
);
this
.
gl
=
pjogl
.
gl
;
this
.
gl2
=
pjogl
.
gl2
;
this
.
gl2x
=
pjogl
.
gl2x
;
this
.
gl3
=
pjogl
.
gl3
;
this
.
gl3es3
=
pjogl
.
gl3es3
;
}
public
void
getGL
(
GLAutoDrawable
glDrawable
) {
context
=
glDrawable
.
getContext
();
glContext
=
context
.
hashCode
();
setThread
(
Thread
.
currentThread
());
gl
=
context
.
getGL
();
gl2
=
gl
.
getGL2ES2
();
try
{
gl2x
=
gl
.
getGL2
();
}
catch
(
com
.
jogamp
.
opengl
.
GLException
e
) {
gl2x
=
null
;
}
try
{
gl3
=
gl
.
getGL2GL3
();
}
catch
(
com
.
jogamp
.
opengl
.
GLException
e
) {
gl3
=
null
;
}
try
{
gl3es3
=
gl
.
getGL3ES3
();
}
catch
(
com
.
jogamp
.
opengl
.
GLException
e
) {
gl3es3
=
null
;
}
}
@
Override
protected
boolean
canDraw
() {
return
true
; }
@
Override
protected
void
requestFocus
() {}
@
Override
protected
void
requestDraw
() {}
@
Override
protected
void
swapBuffers
() {
PSurfaceJOGL
surf
= (
PSurfaceJOGL
)
sketch
.
getSurface
();
surf
.
window
.
swapBuffers
();
}
@
Override
protected
void
initFBOLayer
() {
if
(
0
<
sketch
.
frameCount
) {
if
(
isES
())
initFBOLayerES
();
else
initFBOLayerGL
();
}
}
private
void
initFBOLayerES
() {
IntBuffer
buf
=
allocateDirectIntBuffer
(
fboWidth
*
fboHeight
);
if
(
hasReadBuffer
())
readBuffer
(
BACK
);
readPixelsImpl
(
0
,
0
,
fboWidth
,
fboHeight
,
RGBA
,
UNSIGNED_BYTE
,
buf
);
bindTexture
(
TEXTURE_2D
,
glColorTex
.
get
(
frontTex
));
texSubImage2D
(
TEXTURE_2D
,
0
,
0
,
0
,
fboWidth
,
fboHeight
,
RGBA
,
UNSIGNED_BYTE
,
buf
);
bindTexture
(
TEXTURE_2D
,
glColorTex
.
get
(
backTex
));
texSubImage2D
(
TEXTURE_2D
,
0
,
0
,
0
,
fboWidth
,
fboHeight
,
RGBA
,
UNSIGNED_BYTE
,
buf
);
bindTexture
(
TEXTURE_2D
,
0
);
bindFramebufferImpl
(
FRAMEBUFFER
,
0
);
}
private
void
initFBOLayerGL
() {
// Copy the contents of the front and back screen buffers to the textures
// of the FBO, so they are properly initialized. Note that the front buffer
// of the default framebuffer (the screen) contains the previous frame:
// https://www.opengl.org/wiki/Default_Framebuffer
// so it is copied to the front texture of the FBO layer:
if
(
pclearColor
||
0
<
pgeomCount
|| !
sketch
.
isLooping
()) {
if
(
hasReadBuffer
())
readBuffer
(
FRONT
);
}
else
{
// ...except when the previous frame has not been cleared and nothing was
// rendered while looping. In this case the back buffer, which holds the
// initial state of the previous frame, still contains the most up-to-date
// screen state.
readBuffer
(
BACK
);
}
bindFramebufferImpl
(
DRAW_FRAMEBUFFER
,
glColorFbo
.
get
(
0
));
framebufferTexture2D
(
FRAMEBUFFER
,
COLOR_ATTACHMENT0
,
TEXTURE_2D
,
glColorTex
.
get
(
frontTex
),
0
);
if
(
hasDrawBuffer
())
drawBuffer
(
COLOR_ATTACHMENT0
);
blitFramebuffer
(
0
,
0
,
fboWidth
,
fboHeight
,
0
,
0
,
fboWidth
,
fboHeight
,
COLOR_BUFFER_BIT
,
NEAREST
);
readBuffer
(
BACK
);
bindFramebufferImpl
(
DRAW_FRAMEBUFFER
,
glColorFbo
.
get
(
0
));
framebufferTexture2D
(
FRAMEBUFFER
,
COLOR_ATTACHMENT0
,
TEXTURE_2D
,
glColorTex
.
get
(
backTex
),
0
);
drawBuffer
(
COLOR_ATTACHMENT0
);
blitFramebuffer
(
0
,
0
,
fboWidth
,
fboHeight
,
0
,
0
,
fboWidth
,
fboHeight
,
COLOR_BUFFER_BIT
,
NEAREST
);
bindFramebufferImpl
(
FRAMEBUFFER
,
0
);
}
@
Override
protected
void
beginGL
() {
PMatrix3D
proj
=
graphics
.
projection
;
PMatrix3D
mdl
=
graphics
.
modelview
;
if
(
gl2x
!=
null
) {
if
(
projMatrix
==
null
) {
projMatrix
=
new
float
[
16
];
}
gl2x
.
glMatrixMode
(
GLMatrixFunc
.
GL_PROJECTION
);
projMatrix
[
0
] =
proj
.
m00
;
projMatrix
[
1
] =
proj
.
m10
;
projMatrix
[
2
] =
proj
.
m20
;
projMatrix
[
3
] =
proj
.
m30
;
projMatrix
[
4
] =
proj
.
m01
;
projMatrix
[
5
] =
proj
.
m11
;
projMatrix
[
6
] =
proj
.
m21
;
projMatrix
[
7
] =
proj
.
m31
;
projMatrix
[
8
] =
proj
.
m02
;
projMatrix
[
9
] =
proj
.
m12
;
projMatrix
[
10
] =
proj
.
m22
;
projMatrix
[
11
] =
proj
.
m32
;
projMatrix
[
12
] =
proj
.
m03
;
projMatrix
[
13
] =
proj
.
m13
;
projMatrix
[
14
] =
proj
.
m23
;
projMatrix
[
15
] =
proj
.
m33
;
gl2x
.
glLoadMatrixf
(
projMatrix
,
0
);
if
(
mvMatrix
==
null
) {
mvMatrix
=
new
float
[
16
];
}
gl2x
.
glMatrixMode
(
GLMatrixFunc
.
GL_MODELVIEW
);
mvMatrix
[
0
] =
mdl
.
m00
;
mvMatrix
[
1
] =
mdl
.
m10
;
mvMatrix
[
2
] =
mdl
.
m20
;
mvMatrix
[
3
] =
mdl
.
m30
;
mvMatrix
[
4
] =
mdl
.
m01
;
mvMatrix
[
5
] =
mdl
.
m11
;
mvMatrix
[
6
] =
mdl
.
m21
;
mvMatrix
[
7
] =
mdl
.
m31
;
mvMatrix
[
8
] =
mdl
.
m02
;
mvMatrix
[
9
] =
mdl
.
m12
;
mvMatrix
[
10
] =
mdl
.
m22
;
mvMatrix
[
11
] =
mdl
.
m32
;
mvMatrix
[
12
] =
mdl
.
m03
;
mvMatrix
[
13
] =
mdl
.
m13
;
mvMatrix
[
14
] =
mdl
.
m23
;
mvMatrix
[
15
] =
mdl
.
m33
;
gl2x
.
glLoadMatrixf
(
mvMatrix
,
0
);
}
}
@
Override
protected
boolean
hasFBOs
() {
if
(
context
.
hasBasicFBOSupport
())
return
true
;
else
return
super
.
hasFBOs
();
}
@
Override
protected
boolean
hasShaders
() {
if
(
context
.
hasGLSL
())
return
true
;
else
return
super
.
hasShaders
();
}
public
void
init
(
GLAutoDrawable
glDrawable
) {
capabilities
=
glDrawable
.
getChosenGLCapabilities
();
if
(!
hasFBOs
()) {
throw
new
RuntimeException
(
MISSING_FBO_ERROR
);
}
if
(!
hasShaders
()) {
throw
new
RuntimeException
(
MISSING_GLSL_ERROR
);
}
}
///////////////////////////////////////////////////////////
// Utility functions
@
Override
protected
void
enableTexturing
(
int
target
) {
if
(
target
==
TEXTURE_2D
) {
texturingTargets
[
0
] =
true
;
}
else
if
(
target
==
TEXTURE_RECTANGLE
) {
texturingTargets
[
1
] =
true
;
}
}
@
Override
protected
void
disableTexturing
(
int
target
) {
if
(
target
==
TEXTURE_2D
) {
texturingTargets
[
0
] =
false
;
}
else
if
(
target
==
TEXTURE_RECTANGLE
) {
texturingTargets
[
1
] =
false
;
}
}
/**
* Convenience method to get a legit FontMetrics object. Where possible,
* override this any renderer subclass so that you're not using what's
* returned by getDefaultToolkit() to get your metrics.
*/
@
SuppressWarnings
(
"deprecation"
)
private
FontMetrics
getFontMetrics
(
Font
font
) {
// ignore
return
Toolkit
.
getDefaultToolkit
().
getFontMetrics
(
font
);
}
/**
* Convenience method to jump through some Java2D hoops and get an FRC.
*/
private
FontRenderContext
getFontRenderContext
(
Font
font
) {
// ignore
return
getFontMetrics
(
font
).
getFontRenderContext
();
}
@
Override
protected
int
getFontAscent
(
Object
font
) {
return
getFontMetrics
((
Font
)
font
).
getAscent
();
}
@
Override
protected
int
getFontDescent
(
Object
font
) {
return
getFontMetrics
((
Font
)
font
).
getDescent
();
}
@
Override
protected
int
getTextWidth
(
Object
font
,
char
[]
buffer
,
int
start
,
int
stop
) {
// maybe should use one of the newer/fancier functions for this?
int
length
=
stop
-
start
;
FontMetrics
metrics
=
getFontMetrics
((
Font
)
font
);
return
metrics
.
charsWidth
(
buffer
,
start
,
length
);
}
@
Override
protected
Object
getDerivedFont
(
Object
font
,
float
size
) {
return
((
Font
)
font
).
deriveFont
(
size
);
}
@
Override
protected
int
getGLSLVersion
() {
VersionNumber
vn
=
context
.
getGLSLVersionNumber
();
return
vn
.
getMajor
() *
100
+
vn
.
getMinor
();
}
@
Override
protected
String
[]
loadVertexShader
(
String
filename
) {
return
loadVertexShader
(
filename
,
getGLSLVersion
());
}
@
Override
protected
String
[]
loadFragmentShader
(
String
filename
) {
return
loadFragmentShader
(
filename
,
getGLSLVersion
());
}
@
Override
protected
String
[]
loadVertexShader
(
URL
url
) {
return
loadVertexShader
(
url
,
getGLSLVersion
());
}
@
Override
protected
String
[]
loadFragmentShader
(
URL
url
) {
return
loadFragmentShader
(
url
,
getGLSLVersion
());
}
@
Override
protected
String
[]
loadFragmentShader
(
String
filename
,
int
version
) {
String
[]
fragSrc0
=
sketch
.
loadStrings
(
filename
);
return
preprocessFragmentSource
(
fragSrc0
,
version
);
}
@
Override
protected
String
[]
loadVertexShader
(
String
filename
,
int
version
) {
String
[]
vertSrc0
=
sketch
.
loadStrings
(
filename
);
return
preprocessVertexSource
(
vertSrc0
,
version
);
}
@
Override
protected
String
[]
loadFragmentShader
(
URL
url
,
int
version
) {
try
{
String
[]
fragSrc0
=
PApplet
.
loadStrings
(
url
.
openStream
());
return
preprocessFragmentSource
(
fragSrc0
,
version
);
}
catch
(
IOException
e
) {
PGraphics
.
showException
(
"Cannot load fragment shader "
+
url
.
getFile
());
}
return
null
;
}
@
Override
protected
String
[]
loadVertexShader
(
URL
url
,
int
version
) {
try
{
String
[]
vertSrc0
=
PApplet
.
loadStrings
(
url
.
openStream
());
return
preprocessVertexSource
(
vertSrc0
,
version
);
}
catch
(
IOException
e
) {
PGraphics
.
showException
(
"Cannot load vertex shader "
+
url
.
getFile
());
}
return
null
;
}
///////////////////////////////////////////////////////////
// Tessellator
@
Override
protected
Tessellator
createTessellator
(
TessellatorCallback
callback
) {
return
new
Tessellator
(
callback
);
}
protected
static
class
Tessellator
implements
PGL
.
Tessellator
{
protected
GLUtessellator
tess
;
protected
TessellatorCallback
callback
;
protected
GLUCallback
gluCallback
;
public
Tessellator
(
TessellatorCallback
callback
) {
this
.
callback
=
callback
;
tess
=
GLU
.
gluNewTess
();
gluCallback
=
new
GLUCallback
();
GLU
.
gluTessCallback
(
tess
,
GLU
.
GLU_TESS_BEGIN
,
gluCallback
);
GLU
.
gluTessCallback
(
tess
,
GLU
.
GLU_TESS_END
,
gluCallback
);
GLU
.
gluTessCallback
(
tess
,
GLU
.
GLU_TESS_VERTEX
,
gluCallback
);
GLU
.
gluTessCallback
(
tess
,
GLU
.
GLU_TESS_COMBINE
,
gluCallback
);
GLU
.
gluTessCallback
(
tess
,
GLU
.
GLU_TESS_ERROR
,
gluCallback
);
}
@
Override
public
void
beginPolygon
() {
GLU
.
gluTessBeginPolygon
(
tess
,
null
);
}
@
Override
public
void
endPolygon
() {
GLU
.
gluTessEndPolygon
(
tess
);
}
@
Override
public
void
setWindingRule
(
int
rule
) {
GLU
.
gluTessProperty
(
tess
,
GLU
.
GLU_TESS_WINDING_RULE
,
rule
);
}
@
Override
public
void
beginContour
() {
GLU
.
gluTessBeginContour
(
tess
);
}
@
Override
public
void
endContour
() {
GLU
.
gluTessEndContour
(
tess
);
}
@
Override
public
void
addVertex
(
double
[]
v
) {
GLU
.
gluTessVertex
(
tess
,
v
,
0
,
v
);
}
protected
class
GLUCallback
extends
GLUtessellatorCallbackAdapter
{
@
Override
public
void
begin
(
int
type
) {
callback
.
begin
(
type
);
}
@
Override
public
void
end
() {
callback
.
end
();
}
@
Override
public
void
vertex
(
Object
data
) {
callback
.
vertex
(
data
);
}
@
Override
public
void
combine
(
double
[]
coords
,
Object
[]
data
,
float
[]
weight
,
Object
[]
outData
) {
callback
.
combine
(
coords
,
data
,
weight
,
outData
);
}
@
Override
public
void
error
(
int
errnum
) {
callback
.
error
(
errnum
);
}
}
}
@
Override
protected
String
tessError
(
int
err
) {
return
glu
.
gluErrorString
(
err
);
}
///////////////////////////////////////////////////////////
// Font outline
static
{
SHAPE_TEXT_SUPPORTED
=
true
;
SEG_MOVETO
=
PathIterator
.
SEG_MOVETO
;
SEG_LINETO
=
PathIterator
.
SEG_LINETO
;
SEG_QUADTO
=
PathIterator
.
SEG_QUADTO
;
SEG_CUBICTO
=
PathIterator
.
SEG_CUBICTO
;
SEG_CLOSE
=
PathIterator
.
SEG_CLOSE
;
}
@
Override
protected
FontOutline
createFontOutline
(
char
ch
,
Object
font
) {
return
new
FontOutline
(
ch
, (
Font
)
font
);
}
protected
class
FontOutline
implements
PGL
.
FontOutline
{
PathIterator
iter
;
public
FontOutline
(
char
ch
,
Font
font
) {
char
textArray
[] =
new
char
[] {
ch
};
FontRenderContext
frc
=
getFontRenderContext
(
font
);
GlyphVector
gv
=
font
.
createGlyphVector
(
frc
,
textArray
);
Shape
shp
=
gv
.
getOutline
();
iter
=
shp
.
getPathIterator
(
null
);
}
public
boolean
isDone
() {
return
iter
.
isDone
();
}
public
int
currentSegment
(
float
coords
[]) {
return
iter
.
currentSegment
(
coords
);
}
public
void
next
() {
iter
.
next
();
}
}
///////////////////////////////////////////////////////////
// Constants
static
{
FALSE
=
GL
.
GL_FALSE
;
TRUE
=
GL
.
GL_TRUE
;
INT
=
GL2ES2
.
GL_INT
;
BYTE
=
GL
.
GL_BYTE
;
SHORT
=
GL
.
GL_SHORT
;
FLOAT
=
GL
.
GL_FLOAT
;
BOOL
=
GL2ES2
.
GL_BOOL
;
UNSIGNED_INT
=
GL
.
GL_UNSIGNED_INT
;
UNSIGNED_BYTE
=
GL
.
GL_UNSIGNED_BYTE
;
UNSIGNED_SHORT
=
GL
.
GL_UNSIGNED_SHORT
;
RGB
=
GL
.
GL_RGB
;
RGBA
=
GL
.
GL_RGBA
;
ALPHA
=
GL
.
GL_ALPHA
;
LUMINANCE
=
GL
.
GL_LUMINANCE
;
LUMINANCE_ALPHA
=
GL
.
GL_LUMINANCE_ALPHA
;
UNSIGNED_SHORT_5_6_5
=
GL
.
GL_UNSIGNED_SHORT_5_6_5
;
UNSIGNED_SHORT_4_4_4_4
=
GL
.
GL_UNSIGNED_SHORT_4_4_4_4
;
UNSIGNED_SHORT_5_5_5_1
=
GL
.
GL_UNSIGNED_SHORT_5_5_5_1
;
RGBA4
=
GL
.
GL_RGBA4
;
RGB5_A1
=
GL
.
GL_RGB5_A1
;
RGB565
=
GL
.
GL_RGB565
;
RGB8
=
GL
.
GL_RGB8
;
RGBA8
=
GL
.
GL_RGBA8
;
ALPHA8
=
GL
.
GL_ALPHA8
;
READ_ONLY
=
GL2ES3
.
GL_READ_ONLY
;
WRITE_ONLY
=
GL
.
GL_WRITE_ONLY
;
READ_WRITE
=
GL2ES3
.
GL_READ_WRITE
;
TESS_WINDING_NONZERO
=
GLU
.
GLU_TESS_WINDING_NONZERO
;
TESS_WINDING_ODD
=
GLU
.
GLU_TESS_WINDING_ODD
;
GENERATE_MIPMAP_HINT
=
GL
.
GL_GENERATE_MIPMAP_HINT
;
FASTEST
=
GL
.
GL_FASTEST
;
NICEST
=
GL
.
GL_NICEST
;
DONT_CARE
=
GL
.
GL_DONT_CARE
;
VENDOR
=
GL
.
GL_VENDOR
;
RENDERER
=
GL
.
GL_RENDERER
;
VERSION
=
GL
.
GL_VERSION
;
EXTENSIONS
=
GL
.
GL_EXTENSIONS
;
SHADING_LANGUAGE_VERSION
=
GL2ES2
.
GL_SHADING_LANGUAGE_VERSION
;
MAX_SAMPLES
=
GL
.
GL_MAX_SAMPLES
;
SAMPLES
=
GL
.
GL_SAMPLES
;
ALIASED_LINE_WIDTH_RANGE
=
GL
.
GL_ALIASED_LINE_WIDTH_RANGE
;
ALIASED_POINT_SIZE_RANGE
=
GL
.
GL_ALIASED_POINT_SIZE_RANGE
;
DEPTH_BITS
=
GL
.
GL_DEPTH_BITS
;
STENCIL_BITS
=
GL
.
GL_STENCIL_BITS
;
CCW
=
GL
.
GL_CCW
;
CW
=
GL
.
GL_CW
;
VIEWPORT
=
GL
.
GL_VIEWPORT
;
ARRAY_BUFFER
=
GL
.
GL_ARRAY_BUFFER
;
ELEMENT_ARRAY_BUFFER
=
GL
.
GL_ELEMENT_ARRAY_BUFFER
;
PIXEL_PACK_BUFFER
=
GL2ES3
.
GL_PIXEL_PACK_BUFFER
;
MAX_VERTEX_ATTRIBS
=
GL2ES2
.
GL_MAX_VERTEX_ATTRIBS
;
STATIC_DRAW
=
GL
.
GL_STATIC_DRAW
;
DYNAMIC_DRAW
=
GL
.
GL_DYNAMIC_DRAW
;
STREAM_DRAW
=
GL2ES2
.
GL_STREAM_DRAW
;
STREAM_READ
=
GL2ES3
.
GL_STREAM_READ
;
BUFFER_SIZE
=
GL
.
GL_BUFFER_SIZE
;
BUFFER_USAGE
=
GL
.
GL_BUFFER_USAGE
;
POINTS
=
GL
.
GL_POINTS
;
LINE_STRIP
=
GL
.
GL_LINE_STRIP
;
LINE_LOOP
=
GL
.
GL_LINE_LOOP
;
LINES
=
GL
.
GL_LINES
;
TRIANGLE_FAN
=
GL
.
GL_TRIANGLE_FAN
;
TRIANGLE_STRIP
=
GL
.
GL_TRIANGLE_STRIP
;
TRIANGLES
=
GL
.
GL_TRIANGLES
;
CULL_FACE
=
GL
.
GL_CULL_FACE
;
FRONT
=
GL
.
GL_FRONT
;
BACK
=
GL
.
GL_BACK
;
FRONT_AND_BACK
=
GL
.
GL_FRONT_AND_BACK
;
POLYGON_OFFSET_FILL
=
GL
.
GL_POLYGON_OFFSET_FILL
;
UNPACK_ALIGNMENT
=
GL
.
GL_UNPACK_ALIGNMENT
;
PACK_ALIGNMENT
=
GL
.
GL_PACK_ALIGNMENT
;
TEXTURE_2D
=
GL
.
GL_TEXTURE_2D
;
TEXTURE_RECTANGLE
=
GL2GL3
.
GL_TEXTURE_RECTANGLE
;
TEXTURE_BINDING_2D
=
GL
.
GL_TEXTURE_BINDING_2D
;
TEXTURE_BINDING_RECTANGLE
=
GL2GL3
.
GL_TEXTURE_BINDING_RECTANGLE
;
MAX_TEXTURE_SIZE
=
GL
.
GL_MAX_TEXTURE_SIZE
;
TEXTURE_MAX_ANISOTROPY
=
GL
.
GL_TEXTURE_MAX_ANISOTROPY_EXT
;
MAX_TEXTURE_MAX_ANISOTROPY
=
GL
.
GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
;
MAX_VERTEX_TEXTURE_IMAGE_UNITS
=
GL2ES2
.
GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS
;
MAX_TEXTURE_IMAGE_UNITS
=
GL2ES2
.
GL_MAX_TEXTURE_IMAGE_UNITS
;
MAX_COMBINED_TEXTURE_IMAGE_UNITS
=
GL2ES2
.
GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS
;
NUM_COMPRESSED_TEXTURE_FORMATS
=
GL
.
GL_NUM_COMPRESSED_TEXTURE_FORMATS
;
COMPRESSED_TEXTURE_FORMATS
=
GL
.
GL_COMPRESSED_TEXTURE_FORMATS
;
NEAREST
=
GL
.
GL_NEAREST
;
LINEAR
=
GL
.
GL_LINEAR
;
LINEAR_MIPMAP_NEAREST
=
GL
.
GL_LINEAR_MIPMAP_NEAREST
;
LINEAR_MIPMAP_LINEAR
=
GL
.
GL_LINEAR_MIPMAP_LINEAR
;
CLAMP_TO_EDGE
=
GL
.
GL_CLAMP_TO_EDGE
;
REPEAT
=
GL
.
GL_REPEAT
;
TEXTURE0
=
GL
.
GL_TEXTURE0
;
TEXTURE1
=
GL
.
GL_TEXTURE1
;
TEXTURE2
=
GL
.
GL_TEXTURE2
;
TEXTURE3
=
GL
.
GL_TEXTURE3
;
TEXTURE_MIN_FILTER
=
GL
.
GL_TEXTURE_MIN_FILTER
;
TEXTURE_MAG_FILTER
=
GL
.
GL_TEXTURE_MAG_FILTER
;
TEXTURE_WRAP_S
=
GL
.
GL_TEXTURE_WRAP_S
;
TEXTURE_WRAP_T
=
GL
.
GL_TEXTURE_WRAP_T
;
TEXTURE_WRAP_R
=
GL2ES2
.
GL_TEXTURE_WRAP_R
;
TEXTURE_CUBE_MAP
=
GL
.
GL_TEXTURE_CUBE_MAP
;
TEXTURE_CUBE_MAP_POSITIVE_X
=
GL
.
GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
TEXTURE_CUBE_MAP_POSITIVE_Y
=
GL
.
GL_TEXTURE_CUBE_MAP_POSITIVE_Y
;
TEXTURE_CUBE_MAP_POSITIVE_Z
=
GL
.
GL_TEXTURE_CUBE_MAP_POSITIVE_Z
;
TEXTURE_CUBE_MAP_NEGATIVE_X
=
GL
.
GL_TEXTURE_CUBE_MAP_NEGATIVE_X
;
TEXTURE_CUBE_MAP_NEGATIVE_Y
=
GL
.
GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
;
TEXTURE_CUBE_MAP_NEGATIVE_Z
=
GL
.
GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
;
VERTEX_SHADER
=
GL2ES2
.
GL_VERTEX_SHADER
;
FRAGMENT_SHADER
=
GL2ES2
.
GL_FRAGMENT_SHADER
;
INFO_LOG_LENGTH
=
GL2ES2
.
GL_INFO_LOG_LENGTH
;
SHADER_SOURCE_LENGTH
=
GL2ES2
.
GL_SHADER_SOURCE_LENGTH
;
COMPILE_STATUS
=
GL2ES2
.
GL_COMPILE_STATUS
;
LINK_STATUS
=
GL2ES2
.
GL_LINK_STATUS
;
VALIDATE_STATUS
=
GL2ES2
.
GL_VALIDATE_STATUS
;
SHADER_TYPE
=
GL2ES2
.
GL_SHADER_TYPE
;
DELETE_STATUS
=
GL2ES2
.
GL_DELETE_STATUS
;
FLOAT_VEC2
=
GL2ES2
.
GL_FLOAT_VEC2
;
FLOAT_VEC3
=
GL2ES2
.
GL_FLOAT_VEC3
;
FLOAT_VEC4
=
GL2ES2
.
GL_FLOAT_VEC4
;
FLOAT_MAT2
=
GL2ES2
.
GL_FLOAT_MAT2
;
FLOAT_MAT3
=
GL2ES2
.
GL_FLOAT_MAT3
;
FLOAT_MAT4
=
GL2ES2
.
GL_FLOAT_MAT4
;
INT_VEC2
=
GL2ES2
.
GL_INT_VEC2
;
INT_VEC3
=
GL2ES2
.
GL_INT_VEC3
;
INT_VEC4
=
GL2ES2
.
GL_INT_VEC4
;
BOOL_VEC2
=
GL2ES2
.
GL_BOOL_VEC2
;
BOOL_VEC3
=
GL2ES2
.
GL_BOOL_VEC3
;
BOOL_VEC4
=
GL2ES2
.
GL_BOOL_VEC4
;
SAMPLER_2D
=
GL2ES2
.
GL_SAMPLER_2D
;
SAMPLER_CUBE
=
GL2ES2
.
GL_SAMPLER_CUBE
;
LOW_FLOAT
=
GL2ES2
.
GL_LOW_FLOAT
;
MEDIUM_FLOAT
=
GL2ES2
.
GL_MEDIUM_FLOAT
;
HIGH_FLOAT
=
GL2ES2
.
GL_HIGH_FLOAT
;
LOW_INT
=
GL2ES2
.
GL_LOW_INT
;
MEDIUM_INT
=
GL2ES2
.
GL_MEDIUM_INT
;
HIGH_INT
=
GL2ES2
.
GL_HIGH_INT
;
CURRENT_VERTEX_ATTRIB
=
GL2ES2
.
GL_CURRENT_VERTEX_ATTRIB
;
VERTEX_ATTRIB_ARRAY_BUFFER_BINDING
=
GL2ES2
.
GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING
;
VERTEX_ATTRIB_ARRAY_ENABLED
=
GL2ES2
.
GL_VERTEX_ATTRIB_ARRAY_ENABLED
;
VERTEX_ATTRIB_ARRAY_SIZE
=
GL2ES2
.
GL_VERTEX_ATTRIB_ARRAY_SIZE
;
VERTEX_ATTRIB_ARRAY_STRIDE
=
GL2ES2
.
GL_VERTEX_ATTRIB_ARRAY_STRIDE
;
VERTEX_ATTRIB_ARRAY_TYPE
=
GL2ES2
.
GL_VERTEX_ATTRIB_ARRAY_TYPE
;
VERTEX_ATTRIB_ARRAY_NORMALIZED
=
GL2ES2
.
GL_VERTEX_ATTRIB_ARRAY_NORMALIZED
;
VERTEX_ATTRIB_ARRAY_POINTER
=
GL2ES2
.
GL_VERTEX_ATTRIB_ARRAY_POINTER
;
BLEND
=
GL
.
GL_BLEND
;
ONE
=
GL
.
GL_ONE
;
ZERO
=
GL
.
GL_ZERO
;
SRC_ALPHA
=
GL
.
GL_SRC_ALPHA
;
DST_ALPHA
=
GL
.
GL_DST_ALPHA
;
ONE_MINUS_SRC_ALPHA
=
GL
.
GL_ONE_MINUS_SRC_ALPHA
;
ONE_MINUS_DST_COLOR
=
GL
.
GL_ONE_MINUS_DST_COLOR
;
ONE_MINUS_SRC_COLOR
=
GL
.
GL_ONE_MINUS_SRC_COLOR
;
DST_COLOR
=
GL
.
GL_DST_COLOR
;
SRC_COLOR
=
GL
.
GL_SRC_COLOR
;
SAMPLE_ALPHA_TO_COVERAGE
=
GL
.
GL_SAMPLE_ALPHA_TO_COVERAGE
;
SAMPLE_COVERAGE
=
GL
.
GL_SAMPLE_COVERAGE
;
KEEP
=
GL
.
GL_KEEP
;
REPLACE
=
GL
.
GL_REPLACE
;
INCR
=
GL
.
GL_INCR
;
DECR
=
GL
.
GL_DECR
;
INVERT
=
GL
.
GL_INVERT
;
INCR_WRAP
=
GL
.
GL_INCR_WRAP
;
DECR_WRAP
=
GL
.
GL_DECR_WRAP
;
NEVER
=
GL
.
GL_NEVER
;
ALWAYS
=
GL
.
GL_ALWAYS
;
EQUAL
=
GL
.
GL_EQUAL
;
LESS
=
GL
.
GL_LESS
;
LEQUAL
=
GL
.
GL_LEQUAL
;
GREATER
=
GL
.
GL_GREATER
;
GEQUAL
=
GL
.
GL_GEQUAL
;
NOTEQUAL
=
GL
.
GL_NOTEQUAL
;
FUNC_ADD
=
GL
.
GL_FUNC_ADD
;
FUNC_MIN
=
GL2ES3
.
GL_MIN
;
FUNC_MAX
=
GL2ES3
.
GL_MAX
;
FUNC_REVERSE_SUBTRACT
=
GL
.
GL_FUNC_REVERSE_SUBTRACT
;
FUNC_SUBTRACT
=
GL
.
GL_FUNC_SUBTRACT
;
DITHER
=
GL
.
GL_DITHER
;
CONSTANT_COLOR
=
GL2ES2
.
GL_CONSTANT_COLOR
;
CONSTANT_ALPHA
=
GL2ES2
.
GL_CONSTANT_ALPHA
;
ONE_MINUS_CONSTANT_COLOR
=
GL2ES2
.
GL_ONE_MINUS_CONSTANT_COLOR
;
ONE_MINUS_CONSTANT_ALPHA
=
GL2ES2
.
GL_ONE_MINUS_CONSTANT_ALPHA
;
SRC_ALPHA_SATURATE
=
GL
.
GL_SRC_ALPHA_SATURATE
;
SCISSOR_TEST
=
GL
.
GL_SCISSOR_TEST
;
STENCIL_TEST
=
GL
.
GL_STENCIL_TEST
;
DEPTH_TEST
=
GL
.
GL_DEPTH_TEST
;
DEPTH_WRITEMASK
=
GL
.
GL_DEPTH_WRITEMASK
;
COLOR_BUFFER_BIT
=
GL
.
GL_COLOR_BUFFER_BIT
;
DEPTH_BUFFER_BIT
=
GL
.
GL_DEPTH_BUFFER_BIT
;
STENCIL_BUFFER_BIT
=
GL
.
GL_STENCIL_BUFFER_BIT
;
FRAMEBUFFER
=
GL
.
GL_FRAMEBUFFER
;
COLOR_ATTACHMENT0
=
GL
.
GL_COLOR_ATTACHMENT0
;
COLOR_ATTACHMENT1
=
GL2ES2
.
GL_COLOR_ATTACHMENT1
;
COLOR_ATTACHMENT2
=
GL2ES2
.
GL_COLOR_ATTACHMENT2
;
COLOR_ATTACHMENT3
=
GL2ES2
.
GL_COLOR_ATTACHMENT3
;
RENDERBUFFER
=
GL
.
GL_RENDERBUFFER
;
DEPTH_ATTACHMENT
=
GL
.
GL_DEPTH_ATTACHMENT
;
STENCIL_ATTACHMENT
=
GL
.
GL_STENCIL_ATTACHMENT
;
READ_FRAMEBUFFER
=
GL
.
GL_READ_FRAMEBUFFER
;
DRAW_FRAMEBUFFER
=
GL
.
GL_DRAW_FRAMEBUFFER
;
RGBA8
=
GL
.
GL_RGBA8
;
DEPTH24_STENCIL8
=
GL
.
GL_DEPTH24_STENCIL8
;
DEPTH_COMPONENT
=
GL2ES2
.
GL_DEPTH_COMPONENT
;
DEPTH_COMPONENT16
=
GL
.
GL_DEPTH_COMPONENT16
;
DEPTH_COMPONENT24
=
GL
.
GL_DEPTH_COMPONENT24
;
DEPTH_COMPONENT32
=
GL
.
GL_DEPTH_COMPONENT32
;
STENCIL_INDEX
=
GL2ES2
.
GL_STENCIL_INDEX
;
STENCIL_INDEX1
=
GL
.
GL_STENCIL_INDEX1
;
STENCIL_INDEX4
=
GL
.
GL_STENCIL_INDEX4
;
STENCIL_INDEX8
=
GL
.
GL_STENCIL_INDEX8
;
DEPTH_STENCIL
=
GL
.
GL_DEPTH_STENCIL
;
FRAMEBUFFER_COMPLETE
=
GL
.
GL_FRAMEBUFFER_COMPLETE
;
FRAMEBUFFER_INCOMPLETE_ATTACHMENT
=
GL
.
GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT
;
FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT
=
GL
.
GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT
;
FRAMEBUFFER_INCOMPLETE_DIMENSIONS
=
GL
.
GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS
;
FRAMEBUFFER_INCOMPLETE_FORMATS
=
GL
.
GL_FRAMEBUFFER_INCOMPLETE_FORMATS
;
FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER
=
GL2GL3
.
GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER
;
FRAMEBUFFER_INCOMPLETE_READ_BUFFER
=
GL2GL3
.
GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER
;
FRAMEBUFFER_UNSUPPORTED
=
GL
.
GL_FRAMEBUFFER_UNSUPPORTED
;
FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
=
GL
.
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
;
FRAMEBUFFER_ATTACHMENT_OBJECT_NAME
=
GL
.
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME
;
FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL
=
GL
.
GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL
;
FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE
=
GL
.
GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE
;
RENDERBUFFER_WIDTH
=
GL
.
GL_RENDERBUFFER_WIDTH
;
RENDERBUFFER_HEIGHT
=
GL
.
GL_RENDERBUFFER_HEIGHT
;
RENDERBUFFER_RED_SIZE
=
GL
.
GL_RENDERBUFFER_RED_SIZE
;
RENDERBUFFER_GREEN_SIZE
=
GL
.
GL_RENDERBUFFER_GREEN_SIZE
;
RENDERBUFFER_BLUE_SIZE
=
GL
.
GL_RENDERBUFFER_BLUE_SIZE
;
RENDERBUFFER_ALPHA_SIZE
=
GL
.
GL_RENDERBUFFER_ALPHA_SIZE
;
RENDERBUFFER_DEPTH_SIZE
=
GL
.
GL_RENDERBUFFER_DEPTH_SIZE
;
RENDERBUFFER_STENCIL_SIZE
=
GL
.
GL_RENDERBUFFER_STENCIL_SIZE
;
RENDERBUFFER_INTERNAL_FORMAT
=
GL
.
GL_RENDERBUFFER_INTERNAL_FORMAT
;
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