gl_framebuffer_unsupported ? - GameCreators Forum

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XANAX 2B

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Joined: 20th Jun 2003

Location: Corsica (France)

Posted: 18th Jun 2017 09:50 Edited at: 18th Jun 2017 14:04

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Hello

I've added multiples RenderImages in my program.

Now, when i run it on ipad/AGK player, i get this message : gl_framebuffer_unsupported, and after, it seems to work.
(It works perfectly on windows 10)

Any idea ?

EDIT: Working also on Android. It seems to be an iPad problem. (or with the AppGameKit Player for iPad)

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Preben

AGK Studio Developer

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Posted: 18th Jun 2017 16:47 Edited at: 18th Jun 2017 16:48

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Not sure what your using it for but try to make sure its a power of two, or post some test code

And on iPad the minimum is 16 pixel , so 1024x8 will fails but 1024x16 is ok ,8x64 will fail but 16x64 is ok.

Other then that there should not be any differences from Android

best regards Preben Eriksen,

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XANAX 2B

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Posted: 19th Jun 2017 07:11 Edited at: 19th Jun 2017 07:15

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Thanks for your help, Preben.

This is some code :

+ Code Snippet

LAG_i_Gadget[LAG_C_IPANEL]      	        =CreateRenderImage(2048, 2048, 0, 0) // Maximum renderimage size i use
LAG_i_Gadget[LAG_C_ILISTVIEWTEXT] 	=CreateRenderImage(16, 16, 0, 0) // Minimum renderimage size i use

May be the problem is here. This fonction draw inside the render images. But i don't know if the virtual resolution can be set to 16x16 or 2048x2048 ?

Function LAG_Set_i_Texture(rimg, btop, bright, bbottom, bleft, bsize)
	
	w = GetImageWidth(rimg)
	h = GetImageHeight(rimg)
	
	img2 = GetSpriteImageID(1)
	w2 = GetImageWidth(img2)
	h2 = GetImageHeight(img2)
	
	SetSpriteSize(1, w2, h2)

SetRenderToImage(rimg, 0)
	ClearScreen()

SetVirtualResolution(w, h)

for y = 0 to h step h2
		for x = 0 to w step w2
			
			SetSpritePosition(1, x, y)
			
			DrawSprite(1)
			
		next
	next
	
	if btop = LAG_Border
		DrawBox(0, 0, w, bsize, MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), 1)
	endif
	
	if bbottom = LAG_Border
		DrawBox(0, h - bsize, w, h, MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), 1)
	endif

if bleft = LAG_Border
		DrawBox(0, 0, bsize, h, MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), 1)
	endif

if bright = LAG_Border
		DrawBox(w - bsize, 0, w, h, MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), 1)
	endif
		
	SetRenderToScreen()
	SetVirtualResolution(G_width, G_height)
	
Endfunction

+ Code Snippet

Function LAG_Set_i_Texture(rimg, btop, bright, bbottom, bleft, bsize)
	
	w = GetImageWidth(rimg)
	h = GetImageHeight(rimg)
	
	img2 = GetSpriteImageID(1)
	w2 = GetImageWidth(img2)
	h2 = GetImageHeight(img2)
	
	SetSpriteSize(1, w2, h2)
	

	SetRenderToImage(rimg, 0)
	ClearScreen()	

	SetVirtualResolution(w, h)

	for y = 0 to h step h2
		for x = 0 to w step w2
			
			SetSpritePosition(1, x, y)
			
			DrawSprite(1)
			
		next
	next
	
	if btop = LAG_Border
		DrawBox(0, 0, w, bsize, MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), 1)
	endif
	
	if bbottom = LAG_Border
		DrawBox(0, h - bsize, w, h, MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), 1)
	endif

	if bleft = LAG_Border
		DrawBox(0, 0, bsize, h, MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), 1)
	endif

	if bright = LAG_Border
		DrawBox(w - bsize, 0, w, h, MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), 1)
	endif
		
	SetRenderToScreen()
	SetVirtualResolution(G_width, G_height)
	
Endfunction

EDIT: If i don't call the LAG_Set_i_Texture function, i dont get the GL error message.

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Preben

AGK Studio Developer

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Years of Service

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Joined: 30th Jun 2004

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Posted: 19th Jun 2017 10:43

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XANAX:
This code will create a consistence look and with no errors on Mac/iPad2/iPad Air.

// Project: tmptmp 
// Created: 2017-06-19

// show all errors
SetErrorMode(2)

// set window properties
SetWindowTitle( "tmptmp" )
SetWindowSize( 1024, 768, 0 )
SetWindowAllowResize( 1 ) // allow the user to resize the window

// set display properties
SetVirtualResolution( 1024, 768 ) // doesn't have to match the window
SetOrientationAllowed( 1, 1, 1, 1 ) // allow both portrait and landscape on mobile devices
SetSyncRate( 30, 0 ) // 30fps instead of 60 to save battery
SetScissor( 0,0,0,0 ) // use the maximum available screen space, no black borders
UseNewDefaultFonts( 1 ) // since version 2.0.22 we can use nicer default fonts

//CreateImageColor(1,255,0,0,0)
global mysprite
global spriteimg
global LAG_Border = 2
spriteimg = LoadImage("icon.png")
mysprite = CreateSprite(spriteimg)

ri = CreateRenderImage(512, 256, 0, 0)

mp = CreateSprite(ri)
SetSpriteSize(mp,256,256)
SetSpritePosition(mp,0,0)
SetClearColor(128,128,128)
LAG_Set_i_Texture(ri, 2,2 , 2, 2, 2)
SetClearColor(128,0,128)
do
    Print( ScreenFPS() )
    Sync()
loop

Function LAG_Set_i_Texture(rimg, btop, bright, bbottom, bleft, bsize)
     
    w = GetImageWidth(rimg)
    h = GetImageHeight(rimg)
     
    img2 = GetSpriteImageID(mysprite)
    w2 = GetImageWidth(img2)
    h2 = GetImageHeight(img2)
     
    SetSpriteSize(mysprite, w2, h2)
	SetSpriteVisible(mysprite,1)

SetVirtualResolution(w, h)
    SetRenderToImage(rimg, 0)
    ClearScreen()   
 
    for y = 0 to h-1 step h2
        for x = 0 to w-1 step w2
             
            SetSpritePosition(mysprite, x, y)
             
            DrawSprite(mysprite)
             
        next
    next
     
    if btop = LAG_Border
        DrawBox(0, 0, w, bsize, MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), 1)
    endif
   
    if bbottom = LAG_Border
        DrawBox(0, h - bsize, w, h, MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), 1)
    endif
    if bleft = LAG_Border
        DrawBox(0, 0, bsize, h, MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), 1)
    endif
 
    if bright = LAG_Border
        DrawBox(w - bsize, 0, w, h, MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), 1)
    endif
         
    SetRenderToScreen()
   	SetSpriteVisible(mysprite,0)
 
    SetVirtualResolution( 1024, 768 )
     
Endfunction

+ Code Snippet

// Project: tmptmp 
// Created: 2017-06-19

// show all errors
SetErrorMode(2)

// set window properties
SetWindowTitle( "tmptmp" )
SetWindowSize( 1024, 768, 0 )
SetWindowAllowResize( 1 ) // allow the user to resize the window

// set display properties
SetVirtualResolution( 1024, 768 ) // doesn't have to match the window
SetOrientationAllowed( 1, 1, 1, 1 ) // allow both portrait and landscape on mobile devices
SetSyncRate( 30, 0 ) // 30fps instead of 60 to save battery
SetScissor( 0,0,0,0 ) // use the maximum available screen space, no black borders
UseNewDefaultFonts( 1 ) // since version 2.0.22 we can use nicer default fonts

//CreateImageColor(1,255,0,0,0)
global mysprite
global spriteimg
global LAG_Border = 2
spriteimg = LoadImage("icon.png")
mysprite = CreateSprite(spriteimg)

ri = CreateRenderImage(512, 256, 0, 0)

mp = CreateSprite(ri)
SetSpriteSize(mp,256,256)
SetSpritePosition(mp,0,0)
SetClearColor(128,128,128)
LAG_Set_i_Texture(ri, 2,2 , 2, 2, 2)
SetClearColor(128,0,128)
do
    Print( ScreenFPS() )
    Sync()
loop

Function LAG_Set_i_Texture(rimg, btop, bright, bbottom, bleft, bsize)
     
    w = GetImageWidth(rimg)
    h = GetImageHeight(rimg)
     
    img2 = GetSpriteImageID(mysprite)
    w2 = GetImageWidth(img2)
    h2 = GetImageHeight(img2)
     
    SetSpriteSize(mysprite, w2, h2)
	SetSpriteVisible(mysprite,1)

 
    SetVirtualResolution(w, h)
    SetRenderToImage(rimg, 0)
    ClearScreen()   
 
    for y = 0 to h-1 step h2
        for x = 0 to w-1 step w2
             
            SetSpritePosition(mysprite, x, y)
             
            DrawSprite(mysprite)
             
        next
    next
     
    if btop = LAG_Border
        DrawBox(0, 0, w, bsize, MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), 1)
    endif
   
    if bbottom = LAG_Border
        DrawBox(0, h - bsize, w, h, MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), 1)
    endif
    if bleft = LAG_Border
        DrawBox(0, 0, bsize, h, MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), MakeColor(0, 0, 0), 1)
    endif
 
    if bright = LAG_Border
        DrawBox(w - bsize, 0, w, h, MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), MakeColor(255, 255, 255), 1)
    endif
         
    SetRenderToScreen()
   	SetSpriteVisible(mysprite,0)
 
    SetVirtualResolution( 1024, 768 )
     
Endfunction

SetVirtualResolution , need to go before SetRenderToImage or iPad2 will display it wrong.

Your sprite need to be created like this or GetSpriteImageID will not work:
spriteimg = LoadImage("icon.png")
mysprite = CreateSprite(spriteimg) // AppGameKit createsprite must return the ID or it will not work.

I did not get any "gl_framebuffer_unsupported" on any of the devices , how many CreateRenderImage are you using ?

Hope it helps

best regards Preben Eriksen,

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XANAX 2B

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Years of Service

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Joined: 20th Jun 2003

Location: Corsica (France)

Posted: 23rd Jun 2017 18:56

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I used a lot of CreateRenderImage... That was one of the problems.
I've solved it by no more using RenderImages.

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AppGameKit Classic Chat / gl_framebuffer_unsupported ?

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