more evidence that I am a newbie

> I tried to load Andreas Raab's ffi-based OpenGL packages into Pharo 1.0...
>
>
> (Installer repository: 'http://source.squeak.org/FFI')
>   install: 'FFI-Pools';
>   install: 'FFI-Kernel';
>   install: 'FFI-Tests'.
>
> (Installer repository: 'http://www.squeaksource.com/CroquetGL')
>   install: '3DTransform';
>   install: 'OpenGL-Pools';
>   install: 'OpenGL-Core'.
>
> OpenGL example
>
> I wasn't quite sure how to load them with Gofer so I did it manually with
> Monticello.
>
> However, when I "doIt" with 'OpenGL example'
>
> I get the error:
>
> MessageNotUnderstood: SystemDictionary>>platformName
> OpenGL class>>new
> OpenGL class>>newIn:
> OpenGL example
>
>
> No doubt its something totally trivial... Suggestions?
>

> On 15 April 2010 23:02, Lawson English <[hidden email]> wrote:
>  
>> I tried to load Andreas Raab's ffi-based OpenGL packages into Pharo 1.0...
>>
>>
>> (Installer repository: 'http://source.squeak.org/FFI')
>>   install: 'FFI-Pools';
>>   install: 'FFI-Kernel';
>>   install: 'FFI-Tests'.
>>
>> (Installer repository: 'http://www.squeaksource.com/CroquetGL')
>>   install: '3DTransform';
>>   install: 'OpenGL-Pools';
>>   install: 'OpenGL-Core'.
>>
>> OpenGL example
>>
>> I wasn't quite sure how to load them with Gofer so I did it manually with
>> Monticello.
>>
>> However, when I "doIt" with 'OpenGL example'
>>
>> I get the error:
>>
>> MessageNotUnderstood: SystemDictionary>>platformName
>> OpenGL class>>new
>> OpenGL class>>newIn:
>> OpenGL example
>>
>>
>> No doubt its something totally trivial... Suggestions?
>>
>>    
> Select a #platformname selector with mouse , and then press alt-m to
> see who implements that message.
> Then try sending it from workspace until to make sure you found right
> implementor.
> Then modify the source code in OpenGL class>>new accordingly.
> ;)
>
>
>  

> Igor Stasenko wrote:
>> On 15 April 2010 23:02, Lawson English <[hidden email]> wrote:
>>> I tried to load Andreas Raab's ffi-based OpenGL packages into Pharo
>>> 1.0...
>>>
>>>
>>> (Installer repository: 'http://source.squeak.org/FFI')
>>>   install: 'FFI-Pools';
>>>   install: 'FFI-Kernel';
>>>   install: 'FFI-Tests'.
>>>
>>> (Installer repository: 'http://www.squeaksource.com/CroquetGL')
>>>   install: '3DTransform';
>>>   install: 'OpenGL-Pools';
>>>   install: 'OpenGL-Core'.
>>>
>>> OpenGL example
>>>
>>> I wasn't quite sure how to load them with Gofer so I did it manually
>>> with
>>> Monticello.
>>>
>>> However, when I "doIt" with 'OpenGL example'
>>>
>>> I get the error:
>>>
>>> MessageNotUnderstood: SystemDictionary>>platformName
>>> OpenGL class>>new
>>> OpenGL class>>newIn:
>>> OpenGL example
>>>
>>>
>>> No doubt its something totally trivial... Suggestions?
>>>
>> Select a #platformname selector with mouse , and then press alt-m to
>> see who implements that message.
>> Then try sending it from workspace until to make sure you found right
>> implementor.
>> Then modify the source code in OpenGL class>>new accordingly.
>> ;)
>>
>>
> Easy... TOO easy... :-)
>
> Lawson

> On 15 April 2010 23:02, Lawson English <[hidden email]> wrote:
>  
>> I tried to load Andreas Raab's ffi-based OpenGL packages into Pharo 1.0...
>>
>>
>> (Installer repository: 'http://source.squeak.org/FFI')
>>   install: 'FFI-Pools';
>>   install: 'FFI-Kernel';
>>   install: 'FFI-Tests'.
>>
>> (Installer repository: 'http://www.squeaksource.com/CroquetGL')
>>   install: '3DTransform';
>>   install: 'OpenGL-Pools';
>>   install: 'OpenGL-Core'.
>>
>> OpenGL example
>>
>> I wasn't quite sure how to load them with Gofer so I did it manually with
>> Monticello.
>>
>> However, when I "doIt" with 'OpenGL example'
>>
>> I get the error:
>>
>> MessageNotUnderstood: SystemDictionary>>platformName
>> OpenGL class>>new
>> OpenGL class>>newIn:
>> OpenGL example
>>
>>
>> No doubt its something totally trivial... Suggestions?
>>
>>    
> Select a #platformname selector with mouse , and then press alt-m to
> see who implements that message.
> Then try sending it from workspace until to make sure you found right
> implementor.
> Then modify the source code in OpenGL class>>new accordingly.
> ;)
>  

> Igor Stasenko wrote:
>> On 15 April 2010 23:02, Lawson English <[hidden email]> wrote:
>>> I tried to load Andreas Raab's ffi-based OpenGL packages into Pharo
>>> 1.0...
>>>
>>>
>>> (Installer repository: 'http://source.squeak.org/FFI')
>>>   install: 'FFI-Pools';
>>>   install: 'FFI-Kernel';
>>>   install: 'FFI-Tests'.
>>>
>>> (Installer repository: 'http://www.squeaksource.com/CroquetGL')
>>>   install: '3DTransform';
>>>   install: 'OpenGL-Pools';
>>>   install: 'OpenGL-Core'.
>>>
>>> OpenGL example
>>>
>>> I wasn't quite sure how to load them with Gofer so I did it manually
>>> with
>>> Monticello.
>>>
>>> However, when I "doIt" with 'OpenGL example'
>>>
>>> I get the error:
>>>
>>> MessageNotUnderstood: SystemDictionary>>platformName
>>> OpenGL class>>new
>>> OpenGL class>>newIn:
>>> OpenGL example
>>>
>>>
>>> No doubt its something totally trivial... Suggestions?
>>>
>> Select a #platformname selector with mouse , and then press alt-m to
>> see who implements that message.
>> Then try sending it from workspace until to make sure you found right
>> implementor.
>> Then modify the source code in OpenGL class>>new accordingly.
>> ;)
>
> Unfortunately lots of nested references to it, starting with Smalltalk
> platformName.
>
> I can get as far as changing it to SmalltalkImage current platformName
> but things get strange after that...
>
> new
>    Smalltalk platformName = 'Win32' ifTrue:[^OGLWin32 basicNew
> initialize].
>    Smalltalk platformName = 'unix'
>        ifTrue:
>            [(Smalltalk windowSystemName = 'Quartz')
>                "implicitly big endian"
>                ifTrue: [^OGLUnixQuartz basicNew initialize].
>                "default to X11 window system"
>                Smalltalk isLittleEndian
>                    ifTrue: [^OGLUnixX11LE basicNew initialize]
>                    ifFalse: [^OGLUnixX11BE basicNew initialize]].
>    Smalltalk platformName = 'Mac OS' ifTrue:[
>        Smalltalk osVersion asNumber < 1000
>            ifTrue: [^OGLMacOS9 basicNew initialize]
>            ifFalse:[^OGLMacOSX basicNew initialize].
>    ].
>    ^self error:'Cannot identify platform'

>  On 16.04.2010 01:10, Lawson English wrote:
>> Igor Stasenko wrote:
>>> On 15 April 2010 23:02, Lawson English <[hidden email]> wrote:
>>>> I tried to load Andreas Raab's ffi-based OpenGL packages into Pharo
>>>> 1.0...
>>>>
>>>>
>>>> (Installer repository: 'http://source.squeak.org/FFI')
>>>>   install: 'FFI-Pools';
>>>>   install: 'FFI-Kernel';
>>>>   install: 'FFI-Tests'.
>>>>
>>>> (Installer repository: 'http://www.squeaksource.com/CroquetGL')
>>>>   install: '3DTransform';
>>>>   install: 'OpenGL-Pools';
>>>>   install: 'OpenGL-Core'.
>>>>
>>>> OpenGL example
>>>>
>>>> I wasn't quite sure how to load them with Gofer so I did it
>>>> manually with
>>>> Monticello.
>>>>
>>>> However, when I "doIt" with 'OpenGL example'
>>>>
>>>> I get the error:
>>>>
>>>> MessageNotUnderstood: SystemDictionary>>platformName
>>>> OpenGL class>>new
>>>> OpenGL class>>newIn:
>>>> OpenGL example
>>>>
>>>>
>>>> No doubt its something totally trivial... Suggestions?
>>>>
>>> Select a #platformname selector with mouse , and then press alt-m to
>>> see who implements that message.
>>> Then try sending it from workspace until to make sure you found right
>>> implementor.
>>> Then modify the source code in OpenGL class>>new accordingly.
>>> ;)
>>
>> Unfortunately lots of nested references to it, starting with
>> Smalltalk platformName.
>>
>> I can get as far as changing it to SmalltalkImage current
>> platformName but things get strange after that...
>>
>> new
>>    Smalltalk platformName = 'Win32' ifTrue:[^OGLWin32 basicNew
>> initialize].
>>    Smalltalk platformName = 'unix'
>>        ifTrue:
>>            [(Smalltalk windowSystemName = 'Quartz')
>>                "implicitly big endian"
>>                ifTrue: [^OGLUnixQuartz basicNew initialize].
>>                "default to X11 window system"
>>                Smalltalk isLittleEndian
>>                    ifTrue: [^OGLUnixX11LE basicNew initialize]
>>                    ifFalse: [^OGLUnixX11BE basicNew initialize]].
>>    Smalltalk platformName = 'Mac OS' ifTrue:[
>>        Smalltalk osVersion asNumber < 1000
>>            ifTrue: [^OGLMacOS9 basicNew initialize]
>>            ifFalse:[^OGLMacOSX basicNew initialize].
>>    ].
>>    ^self error:'Cannot identify platform'
> Try replacing windowSystemName with (SmalltalkImage current
> getSystemAttribute: 1005).
>
> 1.0 (1.1 too, actually) does not include some of the abstraction
> methods introduced in Squeak, which OpenGL uses.
>

>
> in OpenGL>>example
>
> example    "OpenGL example"
>    "A very simple OpenGL example"
>
>    | ogl frames startTime deltaTime framesPerSec bounds font |
>    font := StrikeFont familyName: 'Atlanta' pointSize: 11.
>    bounds := 0@0 extent: 400@400.
>    ogl := OpenGL newIn: bounds.
>    ogl ifNil:[^self error: 'Unable to create renderer'].
>    [frames := 0.
>    startTime := Time millisecondClockValue.
>    [Sensor anyButtonPressed] whileFalse:[
>        "start counting at second frame since first frame is penalized
>        by the upload of the bitmap font outside of ogl."
>        frames = 1 ifTrue:[startTime := Time millisecondClockValue].
>        ogl beginFrame.
>
>    "--- this is the actual scene content ---"
>
>        ogl glDisable: GLDepthTest.    "for the simple example only"
>        ogl glDisable: GLLighting.        "for the simple example only"
>
>        ogl glClearColor: 1.0 with: 1.0 with: 1.0 with: 1.0.
>        ogl glClear: GLColorBufferBit.
>
>        ogl glRotatef: 5.0 with: 0.0 with: 0.0 with: 1.0.
>        ogl glColor3f: 1.0 with: 0.0 with: 0.0.
>
>        ogl glBegin: GLPolygon.
>            ogl glVertex2f: -0.7 with: -0.7.
>            ogl glVertex2f:  0.7 with: -0.7.
>            ogl glVertex2f:  0.7 with:  0.7.
>            ogl glVertex2f: -0.7 with:  0.7.
>        ogl glEnd.
>
>    "--- here is the 2d overlay setup ---"
>
>        ogl glMatrixMode: GLProjection.
>        ogl glPushMatrix.
>        ogl glLoadIdentity.
>        ogl glMatrixMode: GLModelview.
>        ogl glPushMatrix.
>        ogl glLoadIdentity.
>        ogl glTranslated: -1 with: 1 with: 0.0.
>        ogl glScaled: (2.0 / bounds width) with: (-2.0 / bounds height)
> with: 1.0.
>        ogl glDisable: GLDepthTest.
>        ogl glEnable: GLBlend.
>        ogl glBlendFunc: GLOne with: GLOneMinusSrcAlpha.
>
>    "--- here is the 2d overlay rendering ---"
>        deltaTime := Time millisecondsSince: startTime.
>        framesPerSec := frames * 1000 / (deltaTime max: 1) asFloat.
>              "@@@@: Fixme. It appears as if #drawString: depends on
> glColor being set.
>        Makes no sense but I'm not going to figure this out - probably
> some mishap
>        wrt. GLLighting being disabled."
>        ogl glColor3f: 0.0 with: 0.0 with: 0.0.
>        ogl drawString: frames printString, ' frames: ', (framesPerSec
> truncateTo: 0.1), ' fps'
>            at: 0@font height@0 font: font color: Color black.
>
>        ogl glDisable: GLBlend.
>        ogl glMatrixMode: GLModelview.
>        ogl glPopMatrix.
>        ogl glMatrixMode: GLProjection.
>        ogl glPopMatrix.
>        ogl glMatrixMode: GLModelview.
>
>    "--- end the end frame operations"
>
>        ogl endFrame.
>        ogl swapBuffers.
>        frames := frames + 1.
>    ].
>    ] ensure:[ogl destroy].
>
> _______________________________________________
> Pharo-project mailing list
> [hidden email]
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
>

> Lawson English wrote:
>> Sob... Almost...
>>
>> Worked my way through everything and now it blows up AFTER reserving
>> an OGL context (there's an blank rectangle in the window at least)
>> with the error:
>>
>> improper store into indexable object
>>
>>
>
> my bad. Was at
>
> ', (framesPerSec truncateTo: 0.1),
>
>
> in line
>
>       ogl drawString: frames printString, ' frames: ', (framesPerSec
> truncateTo: 0.1), ' fps'
>           at: 0@font height@0 font: font color: Color black.

> Henrik Sperre Johansen wrote:
>>
>>  On 16.04.2010 01:10, Lawson English wrote:
>>>
>>> Igor Stasenko wrote:
>>>>
>>>> On 15 April 2010 23:02, Lawson English <[hidden email]> wrote:
>>>>>
>>>>> I tried to load Andreas Raab's ffi-based OpenGL packages into Pharo
>>>>> 1.0...
>>>>>
>>>>>
>>>>> (Installer repository: 'http://source.squeak.org/FFI')
>>>>>  install: 'FFI-Pools';
>>>>>  install: 'FFI-Kernel';
>>>>>  install: 'FFI-Tests'.
>>>>>
>>>>> (Installer repository: 'http://www.squeaksource.com/CroquetGL')
>>>>>  install: '3DTransform';
>>>>>  install: 'OpenGL-Pools';
>>>>>  install: 'OpenGL-Core'.
>>>>>
>>>>> OpenGL example
>>>>>
>>>>> I wasn't quite sure how to load them with Gofer so I did it manually
>>>>> with
>>>>> Monticello.
>>>>>
>>>>> However, when I "doIt" with 'OpenGL example'
>>>>>
>>>>> I get the error:
>>>>>
>>>>> MessageNotUnderstood: SystemDictionary>>platformName
>>>>> OpenGL class>>new
>>>>> OpenGL class>>newIn:
>>>>> OpenGL example
>>>>>
>>>>>
>>>>> No doubt its something totally trivial... Suggestions?
>>>>>
>>>> Select a #platformname selector with mouse , and then press alt-m to
>>>> see who implements that message.
>>>> Then try sending it from workspace until to make sure you found right
>>>> implementor.
>>>> Then modify the source code in OpenGL class>>new accordingly.
>>>> ;)
>>>
>>> Unfortunately lots of nested references to it, starting with Smalltalk
>>> platformName.
>>>
>>> I can get as far as changing it to SmalltalkImage current platformName
>>> but things get strange after that...
>>>
>>> new
>>>   Smalltalk platformName = 'Win32' ifTrue:[^OGLWin32 basicNew
>>> initialize].
>>>   Smalltalk platformName = 'unix'
>>>       ifTrue:
>>>           [(Smalltalk windowSystemName = 'Quartz')
>>>               "implicitly big endian"
>>>               ifTrue: [^OGLUnixQuartz basicNew initialize].
>>>               "default to X11 window system"
>>>               Smalltalk isLittleEndian
>>>                   ifTrue: [^OGLUnixX11LE basicNew initialize]
>>>                   ifFalse: [^OGLUnixX11BE basicNew initialize]].
>>>   Smalltalk platformName = 'Mac OS' ifTrue:[
>>>       Smalltalk osVersion asNumber < 1000
>>>           ifTrue: [^OGLMacOS9 basicNew initialize]
>>>           ifFalse:[^OGLMacOSX basicNew initialize].
>>>   ].
>>>   ^self error:'Cannot identify platform'
>>
>> Try replacing windowSystemName with (SmalltalkImage current
>> getSystemAttribute: 1005).
>>
>> 1.0 (1.1 too, actually) does not include some of the abstraction methods
>> introduced in Squeak, which OpenGL uses.
>>
> Sob... Almost...
>
> Worked my way through everything and now it blows up AFTER reserving an OGL
> context (there's an blank rectangle in the window at least) with the error:
>
> improper store into indexable object
>
> at the line   ensure:[ogl destroy].
>
> in OpenGL>>example
>
> example    "OpenGL example"
>   "A very simple OpenGL example"
>
>   | ogl frames startTime deltaTime framesPerSec bounds font |
>   font := StrikeFont familyName: 'Atlanta' pointSize: 11.
>   bounds := 0@0 extent: 400@400.
>   ogl := OpenGL newIn: bounds.
>   ogl ifNil:[^self error: 'Unable to create renderer'].
>   [frames := 0.
>   startTime := Time millisecondClockValue.
>   [Sensor anyButtonPressed] whileFalse:[
>       "start counting at second frame since first frame is penalized
>       by the upload of the bitmap font outside of ogl."
>       frames = 1 ifTrue:[startTime := Time millisecondClockValue].
>       ogl beginFrame.
>
>   "--- this is the actual scene content ---"
>
>       ogl glDisable: GLDepthTest.    "for the simple example only"
>       ogl glDisable: GLLighting.        "for the simple example only"
>
>       ogl glClearColor: 1.0 with: 1.0 with: 1.0 with: 1.0.
>       ogl glClear: GLColorBufferBit.
>
>       ogl glRotatef: 5.0 with: 0.0 with: 0.0 with: 1.0.
>       ogl glColor3f: 1.0 with: 0.0 with: 0.0.
>
>       ogl glBegin: GLPolygon.
>           ogl glVertex2f: -0.7 with: -0.7.
>           ogl glVertex2f:  0.7 with: -0.7.
>           ogl glVertex2f:  0.7 with:  0.7.
>           ogl glVertex2f: -0.7 with:  0.7.
>       ogl glEnd.
>
>   "--- here is the 2d overlay setup ---"
>
>       ogl glMatrixMode: GLProjection.
>       ogl glPushMatrix.
>       ogl glLoadIdentity.
>       ogl glMatrixMode: GLModelview.
>       ogl glPushMatrix.
>       ogl glLoadIdentity.
>       ogl glTranslated: -1 with: 1 with: 0.0.
>       ogl glScaled: (2.0 / bounds width) with: (-2.0 / bounds height) with:
> 1.0.
>       ogl glDisable: GLDepthTest.
>       ogl glEnable: GLBlend.
>       ogl glBlendFunc: GLOne with: GLOneMinusSrcAlpha.
>
>   "--- here is the 2d overlay rendering ---"
>       deltaTime := Time millisecondsSince: startTime.
>       framesPerSec := frames * 1000 / (deltaTime max: 1) asFloat.
>             "@@@@: Fixme. It appears as if #drawString: depends on glColor
> being set.
>       Makes no sense but I'm not going to figure this out - probably some
> mishap
>       wrt. GLLighting being disabled."

>       ogl glColor3f: 0.0 with: 0.0 with: 0.0.
>       ogl drawString: frames printString, ' frames: ', (framesPerSec
> truncateTo: 0.1), ' fps'
>           at: 0@font height@0 font: font color: Color black.
>
>       ogl glDisable: GLBlend.
>       ogl glMatrixMode: GLModelview.
>       ogl glPopMatrix.
>       ogl glMatrixMode: GLProjection.
>       ogl glPopMatrix.
>       ogl glMatrixMode: GLModelview.
>
>   "--- end the end frame operations"
>
>       ogl endFrame.
>       ogl swapBuffers.
>       frames := frames + 1.
>   ].
>   ] ensure:[ogl destroy].
>
> _______________________________________________
> Pharo-project mailing list
> [hidden email]
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
>

> On 16 April 2010 03:32, Lawson English <[hidden email]> wrote:
>  
>> Henrik Sperre Johansen wrote:
>>    
>>>  On 16.04.2010 01:10, Lawson English wrote:
>>>      
>>>> Igor Stasenko wrote:
>>>>        
>>>>> On 15 April 2010 23:02, Lawson English <[hidden email]> wrote:
>>>>>          
>>>>>> I tried to load Andreas Raab's ffi-based OpenGL packages into Pharo
>>>>>> 1.0...
>>>>>>
>>>>>>
>>>>>> (Installer repository: 'http://source.squeak.org/FFI')
>>>>>>  install: 'FFI-Pools';
>>>>>>  install: 'FFI-Kernel';
>>>>>>  install: 'FFI-Tests'.
>>>>>>
>>>>>> (Installer repository: 'http://www.squeaksource.com/CroquetGL')
>>>>>>  install: '3DTransform';
>>>>>>  install: 'OpenGL-Pools';
>>>>>>  install: 'OpenGL-Core'.
>>>>>>
>>>>>> OpenGL example
>>>>>>
>>>>>> I wasn't quite sure how to load them with Gofer so I did it manually
>>>>>> with
>>>>>> Monticello.
>>>>>>
>>>>>> However, when I "doIt" with 'OpenGL example'
>>>>>>
>>>>>> I get the error:
>>>>>>
>>>>>> MessageNotUnderstood: SystemDictionary>>platformName
>>>>>> OpenGL class>>new
>>>>>> OpenGL class>>newIn:
>>>>>> OpenGL example
>>>>>>
>>>>>>
>>>>>> No doubt its something totally trivial... Suggestions?
>>>>>>
>>>>>>            
>>>>> Select a #platformname selector with mouse , and then press alt-m to
>>>>> see who implements that message.
>>>>> Then try sending it from workspace until to make sure you found right
>>>>> implementor.
>>>>> Then modify the source code in OpenGL class>>new accordingly.
>>>>> ;)
>>>>>          
>>>> Unfortunately lots of nested references to it, starting with Smalltalk
>>>> platformName.
>>>>
>>>> I can get as far as changing it to SmalltalkImage current platformName
>>>> but things get strange after that...
>>>>
>>>> new
>>>>   Smalltalk platformName = 'Win32' ifTrue:[^OGLWin32 basicNew
>>>> initialize].
>>>>   Smalltalk platformName = 'unix'
>>>>       ifTrue:
>>>>           [(Smalltalk windowSystemName = 'Quartz')
>>>>               "implicitly big endian"
>>>>               ifTrue: [^OGLUnixQuartz basicNew initialize].
>>>>               "default to X11 window system"
>>>>               Smalltalk isLittleEndian
>>>>                   ifTrue: [^OGLUnixX11LE basicNew initialize]
>>>>                   ifFalse: [^OGLUnixX11BE basicNew initialize]].
>>>>   Smalltalk platformName = 'Mac OS' ifTrue:[
>>>>       Smalltalk osVersion asNumber < 1000
>>>>           ifTrue: [^OGLMacOS9 basicNew initialize]
>>>>           ifFalse:[^OGLMacOSX basicNew initialize].
>>>>   ].
>>>>   ^self error:'Cannot identify platform'
>>>>        
>>> Try replacing windowSystemName with (SmalltalkImage current
>>> getSystemAttribute: 1005).
>>>
>>> 1.0 (1.1 too, actually) does not include some of the abstraction methods
>>> introduced in Squeak, which OpenGL uses.
>>>
>>>      
>> Sob... Almost...
>>
>> Worked my way through everything and now it blows up AFTER reserving an OGL
>> context (there's an blank rectangle in the window at least) with the error:
>>
>> improper store into indexable object
>>
>> at the line   ensure:[ogl destroy].
>>
>> in OpenGL>>example
>>
>> example    "OpenGL example"
>>   "A very simple OpenGL example"
>>
>>   | ogl frames startTime deltaTime framesPerSec bounds font |
>>   font := StrikeFont familyName: 'Atlanta' pointSize: 11.
>>   bounds := 0@0 extent: 400@400.
>>   ogl := OpenGL newIn: bounds.
>>   ogl ifNil:[^self error: 'Unable to create renderer'].
>>   [frames := 0.
>>   startTime := Time millisecondClockValue.
>>   [Sensor anyButtonPressed] whileFalse:[
>>       "start counting at second frame since first frame is penalized
>>       by the upload of the bitmap font outside of ogl."
>>       frames = 1 ifTrue:[startTime := Time millisecondClockValue].
>>       ogl beginFrame.
>>
>>   "--- this is the actual scene content ---"
>>
>>       ogl glDisable: GLDepthTest.    "for the simple example only"
>>       ogl glDisable: GLLighting.        "for the simple example only"
>>
>>       ogl glClearColor: 1.0 with: 1.0 with: 1.0 with: 1.0.
>>       ogl glClear: GLColorBufferBit.
>>
>>       ogl glRotatef: 5.0 with: 0.0 with: 0.0 with: 1.0.
>>       ogl glColor3f: 1.0 with: 0.0 with: 0.0.
>>
>>       ogl glBegin: GLPolygon.
>>           ogl glVertex2f: -0.7 with: -0.7.
>>           ogl glVertex2f:  0.7 with: -0.7.
>>           ogl glVertex2f:  0.7 with:  0.7.
>>           ogl glVertex2f: -0.7 with:  0.7.
>>       ogl glEnd.
>>
>>   "--- here is the 2d overlay setup ---"
>>
>>       ogl glMatrixMode: GLProjection.
>>       ogl glPushMatrix.
>>       ogl glLoadIdentity.
>>       ogl glMatrixMode: GLModelview.
>>       ogl glPushMatrix.
>>       ogl glLoadIdentity.
>>       ogl glTranslated: -1 with: 1 with: 0.0.
>>       ogl glScaled: (2.0 / bounds width) with: (-2.0 / bounds height) with:
>> 1.0.
>>       ogl glDisable: GLDepthTest.
>>       ogl glEnable: GLBlend.
>>       ogl glBlendFunc: GLOne with: GLOneMinusSrcAlpha.
>>
>>   "--- here is the 2d overlay rendering ---"
>>       deltaTime := Time millisecondsSince: startTime.
>>       framesPerSec := frames * 1000 / (deltaTime max: 1) asFloat.
>>             "@@@@: Fixme. It appears as if #drawString: depends on glColor
>> being set.
>>       Makes no sense but I'm not going to figure this out - probably some
>> mishap
>>       wrt. GLLighting being disabled."
>>    
>
> it makes sense.
> The font is a bit mask, which defines an opaque and (semi)transparent pixels,
> not black and white ones.
> So, you need to provide a color, which will be used to paint opaque pixels.
>
>  

>>       ogl glColor3f: 0.0 with: 0.0 with: 0.0.
>>       ogl drawString: frames printString, ' frames: ', (framesPerSec
>> truncateTo: 0.1), ' fps'
>>           at: 0@font height@0 font: font color: Color black.
>>
>>       ogl glDisable: GLBlend.
>>       ogl glMatrixMode: GLModelview.
>>       ogl glPopMatrix.
>>       ogl glMatrixMode: GLProjection.
>>       ogl glPopMatrix.
>>       ogl glMatrixMode: GLModelview.
>>
>>   "--- end the end frame operations"
>>
>>       ogl endFrame.
>>       ogl swapBuffers.
>>       frames := frames + 1.
>>   ].
>>   ] ensure:[ogl destroy].
>>
>> _______________________________________________
>> Pharo-project mailing list
>> [hidden email]
>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
>>
>>    
>
>
>
>  

> On 16 April 2010 03:56, Lawson English <[hidden email]> wrote:
>>
>> That was a comment by the original programmer. I'm hopelessly confused at
>> this point... :-/
>>
>
> I tried to run this stuff, but it ended up with 'unable to create a renderer'
> Strange, though VM having a required plugin B3DAcceleratorPlugin.
> It refuses to create GL context :(
> So i can't tell what really happening..
> What system you are running on?
>
>
> --
> Best regards,
> Igor Stasenko AKA sig.
>

>>>>
>> new
>>   Smalltalk platformName = 'Win32' ifTrue:[^OGLWin32 basicNew initialize].
>>   Smalltalk platformName = 'unix'
>>       ifTrue:
>>           [(Smalltalk windowSystemName = 'Quartz')
>>               "implicitly big endian"
>>               ifTrue: [^OGLUnixQuartz basicNew initialize].
>>               "default to X11 window system"
>>               Smalltalk isLittleEndian
>>                   ifTrue: [^OGLUnixX11LE basicNew initialize]
>>                   ifFalse: [^OGLUnixX11BE basicNew initialize]].
>>   Smalltalk platformName = 'Mac OS' ifTrue:[
>>       Smalltalk osVersion asNumber < 1000
>>           ifTrue: [^OGLMacOS9 basicNew initialize]
>>           ifFalse:[^OGLMacOSX basicNew initialize].
>>   ].
>>   ^self error:'Cannot identify platform'
> Try replacing windowSystemName with (SmalltalkImage current getSystemAttribute: 1005).
>
> 1.0 (1.1 too, actually) does not include some of the abstraction methods introduced in Squeak, which OpenGL uses.
>
> Cheers,
> Henry
>
>
> _______________________________________________
> Pharo-project mailing list
> [hidden email]
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project